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Annotation of cvsweb/cvsweb.cgi, Revision 1.45.2.69

1.45.2.64  knu         1: #!/usr/bin/perl -wT
1.1       jfieber     2: #
1.45.2.46  knu         3: # cvsweb - a CGI interface to CVS trees.
1.1       jfieber     4: #
1.45.2.47  knu         5: # Written in their spare time by
1.45.2.46  knu         6: #             Bill Fenner      <fenner@FreeBSD.org>   (original work)
                      7: # extended by Henner Zeller    <zeller@think.de>,
1.45.2.47  knu         8: #             Henrik Nordstrom <hno@hem.passagen.se>
1.45.2.46  knu         9: #             Ken Coar         <coar@Apache.Org>
                     10: #             Dick Balaska     <dick@buckosoft.com>
                     11: #             Akinori MUSHA    <knu@FreeBSD.org>
1.45.2.51  knu        12: #             Jens-Uwe Mager   <jum@helios.de>
1.45.2.46  knu        13: #
                     14: # Based on:
                     15: # * Bill Fenners cvsweb.cgi revision 1.28 available from:
                     16: #   http://www.FreeBSD.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi
1.1       jfieber    17: #
1.21      wosch      18: # Copyright (c) 1996-1998 Bill Fenner
1.45.2.46  knu        19: #           (c) 1998-1999 Henner Zeller
                     20: #          (c) 1999      Henrik Nordstrom
1.45.2.68  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: #
1.45.2.69! knu        45: # $zId: cvsweb.cgi,v 1.106 2001/03/10 01:16:27 hnordstrom Exp $
        !            46: # $Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 1.68 2001/03/22 19:46:59 knu Exp $
        !            47: # $FreeBSD: www/en/cgi/cvsweb.cgi,v 1.68 2001/01/14 08:59:59 knu Exp $
1.21      wosch      48: #
1.45.2.46  knu        49: ###
1.21      wosch      50:
1.45.2.64  knu        51: require 5.000;
                     52:
1.45.2.46  knu        53: use strict;
1.21      wosch      54:
1.45.2.46  knu        55: use vars qw (
1.45.2.68  knu        56:     $cvsweb_revision
1.45.2.67  knu        57:     $mydir $uname $config $allow_version_select $verbose
1.45.2.65  knu        58:     @CVSrepositories @CVSROOT %CVSROOT %CVSROOTdescr
                     59:     %MIRRORS %DEFAULTVALUE %ICONS %MTYPES
1.45.2.56  knu        60:     @DIFFTYPES %DIFFTYPES @LOGSORTKEYS %LOGSORTKEYS
1.45.2.46  knu        61:     %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted
                     62:     %symrev %revsym @allrevisions %date %author @revdisplayorder
1.45.2.49  knu        63:     @revisions %state %difflines %log %branchpoint @revorder
1.45.2.63  knu        64:     $prcgi @prcategories $re_prcategories $prkeyword $re_prkeyword $mancgi
1.45.2.46  knu        65:     $checkoutMagic $doCheckout $scriptname $scriptwhere
                     66:     $where $pathinfo $Browser $nofilelinks $maycompress @stickyvars
                     67:     %funcline_regexp $is_mod_perl
1.45.2.56  knu        68:     $is_links $is_lynx $is_w3m $is_msie $is_mozilla3 $is_textbased
1.45.2.46  knu        69:     %input $query $barequery $sortby $bydate $byrev $byauthor
1.45.2.56  knu        70:     $bylog $byfile $defaultDiffType $logsort $cvstree $cvsroot
1.45.2.58  knu        71:     $mimetype $charset $defaultTextPlain $defaultViewable
1.45.2.67  knu        72:     $command_path %CMD $allow_compress
                     73:     $backicon $diricon $fileicon
1.45.2.58  knu        74:     $fullname $newname $cvstreedefault
                     75:     $body_tag $body_tag_for_src $logo $defaulttitle $address
1.45.2.52  knu        76:     $long_intro $short_instruction $shortLogLen
1.45.2.46  knu        77:     $show_author $dirtable $tablepadding $columnHeaderColorDefault
                     78:     $columnHeaderColorSorted $hr_breakable $showfunc $hr_ignwhite
                     79:     $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove
                     80:     $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface
                     81:     $difffontsize $inputTextSize $mime_types $allow_annotate
                     82:     $allow_markup $use_java_script $open_extern_window
                     83:     $extern_window_width $extern_window_height $edit_option_form
1.45.2.63  knu        84:     $show_subdir_lastmod $show_log_in_markup $preformat_in_markup $v
1.45.2.46  knu        85:     $navigationHeaderColor $tableBorderColor $markupLogColor
                     86:     $tabstop $state $annTable $sel $curbranch @HideModules
                     87:     $module $use_descriptions %descriptions @mytz $dwhere $moddate
1.45.2.67  knu        88:     $use_moddate $has_zlib $gzip_open
                     89:     $allow_tar @tar_options @gzip_options @cvs_options
1.45.2.55  knu        90:     $LOG_FILESEPARATOR $LOG_REVSEPARATOR
1.45.2.46  knu        91: );
                     92:
1.45.2.47  knu        93: sub printDiffSelect($);
1.45.2.56  knu        94: sub printDiffLinks($$);
                     95: sub printLogSortSelect($);
1.45.2.47  knu        96: sub findLastModifiedSubdirs(@);
1.45.2.56  knu        97: sub htmlify_sub(&$);
1.45.2.47  knu        98: sub htmlify($;$);
1.45.2.51  knu        99: sub spacedHtmlText($;$);
1.45.2.47  knu       100: sub link($$);
                    101: sub revcmp($$);
                    102: sub fatal($$);
                    103: sub redirect($);
                    104: sub safeglob($);
1.45.2.67  knu       105: sub search_path($);
1.45.2.47  knu       106: sub getMimeTypeFromSuffix($);
1.45.2.51  knu       107: sub head($;$);
                    108: sub scan_directives(@);
1.45.2.47  knu       109: sub doAnnotate($$);
                    110: sub doCheckout($$);
                    111: sub cvswebMarkup($$$);
                    112: sub viewable($);
                    113: sub doDiff($$$$$$);
                    114: sub getDirLogs($$@);
                    115: sub readLog($;$);
                    116: sub printLog($;$);
                    117: sub doLog($);
                    118: sub flush_diff_rows($$$$);
                    119: sub human_readable_diff($);
                    120: sub navigateHeader($$$$$);
                    121: sub plural_write($$);
                    122: sub readableTime($$);
                    123: sub clickablePath($$);
                    124: sub chooseCVSRoot();
                    125: sub chooseMirror();
                    126: sub fileSortCmp();
                    127: sub download_url($$;$);
                    128: sub download_link($$$;$);
                    129: sub toggleQuery($$);
                    130: sub urlencode($);
1.45.2.56  knu       131: sub htmlquote($);
                    132: sub htmlunquote($);
1.45.2.62  knu       133: sub hrefquote($);
1.45.2.47  knu       134: sub http_header(;$);
                    135: sub html_header($);
                    136: sub html_footer();
                    137: sub link_tags($);
                    138: sub forbidden_module($);
                    139:
1.45.2.46  knu       140: ##### Start of Configuration Area ########
1.45.2.67  knu       141: delete $ENV{PATH};
                    142:
1.45.2.69! knu       143: $cvsweb_revision = '1.106' . '.' . (split(/ /,
        !           144:  q$Idaemons: /home/cvs/cvsweb/cvsweb.cgi,v 1.68 2001/03/22 19:46:59 knu Exp $
        !           145: ))[2];
1.45.2.68  knu       146:
1.45.2.64  knu       147: use File::Basename;
1.45.2.46  knu       148:
1.45.2.66  knu       149: ($mydir) = (dirname($0) =~ /(.*)/); # untaint
                    150:
1.45.2.47  knu       151: # == EDIT this ==
1.45.2.53  knu       152: # Locations to search for user configuration, in order:
                    153: for (
1.45.2.66  knu       154:      "$mydir/cvsweb.conf",
1.45.2.65  knu       155:      '/usr/local/etc/cvsweb/cvsweb.conf'
1.45.2.53  knu       156:     ) {
1.45.2.64  knu       157:     if (defined($_) && -r $_) {
1.45.2.66  knu       158:        $config = $_;
1.45.2.64  knu       159:        last;
                    160:     }
1.45.2.46  knu       161: }
1.1       jfieber   162:
1.45.2.46  knu       163: # == Configuration defaults ==
                    164: # Defaults for configuration variables that shouldn't need
                    165: # to be configured..
                    166: $allow_version_select = 1;
                    167:
                    168: ##### End of Configuration Area   ########
                    169:
                    170: ######## Configuration variables #########
                    171: # These are defined to allow checking with perl -cw
1.45.2.65  knu       172: @CVSrepositories = @CVSROOT = %CVSROOT =
                    173: %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES =
1.45.2.46  knu       174: %tags = %alltags = @tabcolors = ();
1.45.2.53  knu       175: $cvstreedefault = $body_tag = $body_tag_for_src =
1.45.2.52  knu       176: $logo = $defaulttitle = $address =
                    177: $long_intro = $short_instruction = $shortLogLen =
1.45.2.46  knu       178: $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault =
                    179: $columnHeaderColorSorted = $hr_breakable = $showfunc = $hr_ignwhite =
                    180: $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove =
                    181: $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface =
                    182: $difffontsize = $inputTextSize = $mime_types = $allow_annotate =
                    183: $allow_markup = $use_java_script = $open_extern_window =
                    184: $extern_window_width = $extern_window_height = $edit_option_form =
1.45.2.56  knu       185: $show_subdir_lastmod = $show_log_in_markup = $v =
1.45.2.47  knu       186: $navigationHeaderColor = $tableBorderColor = $markupLogColor =
1.45.2.52  knu       187: $tabstop = $use_moddate = $moddate = $gzip_open = undef;
1.45.2.46  knu       188:
1.45.2.55  knu       189: $LOG_FILESEPARATOR = q/^={77}$/;
                    190: $LOG_REVSEPARATOR = q/^-{28}$/;
                    191:
1.45.2.56  knu       192: @DIFFTYPES = qw(h H u c s);
                    193: @DIFFTYPES{@DIFFTYPES} = (
                    194:                          {
                    195:                           'descr'   => 'colored',
                    196:                           'opts'    => [ '-u' ],
                    197:                           'colored' => 1,
                    198:                          },
                    199:                          {
                    200:                           'descr'   => 'long colored',
                    201:                           'opts'    => [ '--unified=15' ],
                    202:                           'colored' => 1,
                    203:                          },
                    204:                          {
                    205:                           'descr'   => 'unified',
                    206:                           'opts'    => [ '-u' ],
                    207:                           'colored' => 0,
                    208:                          },
                    209:                          {
                    210:                           'descr'   => 'context',
                    211:                           'opts'    => [ '-c' ],
                    212:                           'colored' => 0,
                    213:                          },
                    214:                          {
                    215:                           'descr'   => 'side by side',
                    216:                           'opts'    => [ '--side-by-side', '--width=164' ],
                    217:                           'colored' => 0,
                    218:                          },
                    219:                         );
                    220:
                    221: @LOGSORTKEYS = qw(cvs date rev);
                    222: @LOGSORTKEYS{@LOGSORTKEYS} = (
                    223:                              {
                    224:                               'descr' => 'Not sorted',
                    225:                              },
                    226:                              {
                    227:                               'descr' => 'Commit date',
                    228:                              },
                    229:                              {
                    230:                               'descr' => 'Revision',
                    231:                              },
                    232:                             );
                    233:
1.45.2.46  knu       234: ##### End of configuration variables #####
                    235:
                    236: $cgi_style::hsty_base = 'http://www.FreeBSD.org';
1.45.2.69! knu       237: $_ = q$FreeBSD: www/en/cgi/cvsweb.cgi,v 1.68 2001/01/14 08:59:59 knu Exp $;
1.45.2.60  knu       238: @_ = split;
                    239: $cgi_style::hsty_date = "@_[3,4]";
                    240:
                    241: # warningproof
                    242: 0 if $cgi_style::hsty_base ne $cgi_style::hsty_date;
                    243:
                    244: package cgi_style;
1.45.2.66  knu       245: require "$main::mydir/cgi-style.pl";
1.45.2.46  knu       246: package main;
1.2       jfieber   247:
1.45.2.56  knu       248: ##### End of configuration variables #####
                    249:
1.45.2.46  knu       250: use Time::Local;
                    251: use IPC::Open2;
1.1       jfieber   252:
1.45.2.51  knu       253: # Check if the zlib C library interface is installed, and if yes
                    254: # we can avoid using the extra gzip process.
                    255: eval {
                    256:        require Compress::Zlib;
                    257: };
                    258: $has_zlib = !$@;
                    259:
1.1       jfieber   260: $verbose = $v;
1.45.2.46  knu       261: $checkoutMagic = "~checkout~";
                    262: $pathinfo = defined($ENV{PATH_INFO}) ? $ENV{PATH_INFO} : '';
                    263: $where = $pathinfo;
1.45.2.67  knu       264: $doCheckout = ($where =~ m|^/$checkoutMagic/|);
                    265: $where =~ s|^/$checkoutMagic/|/|;
                    266: $where =~ s|^/||;
1.45.2.46  knu       267: $scriptname = defined($ENV{SCRIPT_NAME}) ? $ENV{SCRIPT_NAME} : '';
1.45.2.67  knu       268: $scriptname =~ s|^/*|/|;
                    269:
1.45.2.68  knu       270: # Let's workaround thttpd's stupidity..
1.45.2.67  knu       271: if ($scriptname =~ m|/$|) {
                    272:     $pathinfo .= '/';
                    273:     my $re = quotemeta $pathinfo;
                    274:     $scriptname =~ s/$re$//;
1.45.2.46  knu       275: }
                    276:
1.45.2.67  knu       277: $scriptwhere = $scriptname;
                    278: $scriptwhere .= '/' . urlencode($where);
                    279: $where = '/' if ($where eq '');
                    280:
1.45.2.46  knu       281: $is_mod_perl = defined($ENV{MOD_PERL});
                    282:
                    283: # in lynx, it it very annoying to have two links
                    284: # per file, so disable the link at the icon
                    285: # in this case:
1.45.2.59  knu       286: $Browser = $ENV{HTTP_USER_AGENT} || '';
1.45.2.56  knu       287: $is_links = ($Browser =~ m`^Links `);
1.45.2.46  knu       288: $is_lynx = ($Browser =~ m`^Lynx/`i);
                    289: $is_w3m = ($Browser =~ m`^w3m/`i);
                    290: $is_msie = ($Browser =~ m`MSIE`);
                    291: $is_mozilla3 = ($Browser =~ m`^Mozilla/[3-9]`);
                    292:
1.45.2.56  knu       293: $is_textbased = ($is_links || $is_lynx || $is_w3m);
1.45.2.46  knu       294:
                    295: $nofilelinks = $is_textbased;
                    296:
                    297: # newer browsers accept gzip content encoding
                    298: # and state this in a header
                    299: # (netscape did always but didn't state it)
                    300: # It has been reported that these
                    301: #  braindamaged MS-Internet Exploders claim that they
                    302: # accept gzip .. but don't in fact and
                    303: # display garbage then :-/
1.45.2.51  knu       304: # Turn off gzip if running under mod_perl and no zlib is available,
                    305: # piping does not work as expected inside the server.
1.45.2.52  knu       306: $maycompress = (((defined($ENV{HTTP_ACCEPT_ENCODING})
                    307:                 && $ENV{HTTP_ACCEPT_ENCODING} =~ m`gzip`)
1.45.2.47  knu       308:                 || $is_mozilla3)
                    309:                && !$is_msie
1.45.2.51  knu       310:                && !($is_mod_perl && !$has_zlib));
1.45.2.46  knu       311:
                    312: # put here the variables we need in order
                    313: # to hold our state - they will be added (with
1.45.2.47  knu       314: # their current value) to any link/query string
1.45.2.46  knu       315: # you construct
                    316: @stickyvars = qw(cvsroot hideattic sortby logsort f only_with_tag);
1.1       jfieber   317:
1.45.2.46  knu       318: if (-f $config) {
1.45.2.62  knu       319:    require $config
1.45.2.53  knu       320:      || &fatal("500 Internal Error",
                    321:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    322:                       $config, &htmlify($@)));
                    323: } else {
1.45.2.46  knu       324:    &fatal("500 Internal Error",
                    325:          'Configuration not found.  Set the variable <code>$config</code> '
1.45.2.69! knu       326:           . 'in cvsweb.cgi to your <b>cvsweb.conf</b> configuration file first.');
1.45.2.46  knu       327: }
                    328:
                    329: undef %input;
                    330: $query = $ENV{QUERY_STRING};
                    331:
1.45.2.47  knu       332: if (defined($query) && $query ne '') {
1.9       fenner    333:     foreach (split(/&/, $query)) {
1.45.2.61  knu       334:        y/+/ /;
1.7       fenner    335:        s/%(..)/sprintf("%c", hex($1))/ge;      # unquote %-quoted
                    336:        if (/(\S+)=(.*)/) {
1.45.2.46  knu       337:            $input{$1} = $2 if ($2 ne "");
                    338:        }
                    339:        else {
1.7       fenner    340:            $input{$_}++;
                    341:        }
                    342:     }
                    343: }
1.10      wosch     344:
1.45.2.47  knu       345: # For backwards compability, set only_with_tag to only_on_branch if set.
1.45.2.46  knu       346: $input{only_with_tag} = $input{only_on_branch}
                    347:     if (defined($input{only_on_branch}));
1.10      wosch     348:
1.45.2.46  knu       349: $DEFAULTVALUE{'cvsroot'} = $cvstreedefault;
1.10      wosch     350:
1.45.2.46  knu       351: foreach (keys %DEFAULTVALUE)
                    352: {
                    353:     # replace not given parameters with the default parameters
                    354:     if (!defined($input{$_}) || $input{$_} eq "") {
                    355:        # Empty Checkboxes in forms return -- nothing. So we define a helper
                    356:        # variable in these forms (copt) which indicates that we just set
                    357:        # parameters with a checkbox
                    358:        if (!defined($input{"copt"})) {
                    359:            # 'copt' isn't defined --> empty input is not the result
                    360:            # of empty input checkbox --> set default
                    361:            $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_}));
                    362:        }
                    363:        else {
                    364:            # 'copt' is defined -> the result of empty input checkbox
                    365:            # -> set to zero (disable) if default is a boolean (0|1).
                    366:            $input{$_} = 0
                    367:                if (defined($DEFAULTVALUE{$_})
                    368:                    && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1"));
                    369:        }
1.10      wosch     370:     }
                    371: }
1.45.2.47  knu       372:
1.45.2.46  knu       373: $barequery = "";
1.45.2.55  knu       374: my @barequery;
1.45.2.46  knu       375: foreach (@stickyvars) {
                    376:     # construct a query string with the sticky non default parameters set
1.45.2.47  knu       377:     if (defined($input{$_}) && $input{$_} ne '' &&
1.45.2.46  knu       378:        !(defined($DEFAULTVALUE{$_}) && $input{$_} eq $DEFAULTVALUE{$_})) {
1.45.2.55  knu       379:        push @barequery, join('=', urlencode($_), urlencode($input{$_}));
1.45.2.46  knu       380:     }
                    381: }
                    382: # is there any query ?
1.45.2.55  knu       383: if (@barequery) {
1.45.2.56  knu       384:     $barequery = join('&', @barequery);
1.45.2.46  knu       385:     $query = "?$barequery";
1.45.2.56  knu       386:     $barequery = "&$barequery";
1.45.2.46  knu       387: }
                    388: else {
                    389:     $query = "";
                    390: }
1.45.2.55  knu       391: undef @barequery;
1.10      wosch     392:
1.45.2.65  knu       393: if (defined($input{path})) {
                    394:     redirect("$scriptname/$input{path}$query");
                    395: }
                    396:
1.45.2.46  knu       397: # get actual parameters
                    398: $sortby = $input{"sortby"};
                    399: $bydate = 0;
                    400: $byrev = 0;
                    401: $byauthor = 0;
                    402: $bylog = 0;
                    403: $byfile = 0;
                    404: if ($sortby eq "date") {
                    405:     $bydate = 1;
                    406: }
                    407: elsif ($sortby eq "rev") {
                    408:     $byrev = 1;
                    409: }
                    410: elsif ($sortby eq "author") {
                    411:     $byauthor = 1;
                    412: }
                    413: elsif ($sortby eq "log") {
                    414:     $bylog = 1;
                    415: }
                    416: else {
                    417:     $byfile = 1;
                    418: }
1.12      fenner    419:
1.45.2.56  knu       420: $defaultDiffType = $input{'f'};
1.45.2.46  knu       421:
                    422: $logsort = $input{'logsort'};
                    423:
1.45.2.65  knu       424: my @tmp = @CVSrepositories;
                    425: my @pair;
                    426:
                    427: while (@pair = splice(@tmp, 0, 2)) {
                    428:     my($key, $val) = @pair;
                    429:     my($descr, $cvsroot) = @$val;
                    430:
                    431:     next if !-d $cvsroot;
                    432:
                    433:     $CVSROOTdescr{$key} = $descr;
                    434:     $CVSROOT{$key} = $cvsroot;
                    435:     push @CVSROOT, $key;
                    436: }
                    437: undef @tmp;
                    438: undef @pair;
1.45.2.46  knu       439:
                    440: ## Default CVS-Tree
                    441: if (!defined($CVSROOT{$cvstreedefault})) {
                    442:    &fatal("500 Internal Error",
                    443:          "<code>\$cvstreedefault</code> points to a repository "
                    444:          . "not defined in <code>%CVSROOT</code> "
                    445:          . "(edit your configuration file $config)");
1.10      wosch     446: }
                    447:
1.45.2.46  knu       448: # alternate CVS-Tree, configured in cvsweb.conf
                    449: if ($input{'cvsroot'} && $CVSROOT{$input{'cvsroot'}}) {
                    450:     $cvstree = $input{'cvsroot'};
                    451: } else {
                    452:     $cvstree = $cvstreedefault;
                    453: }
1.10      wosch     454:
1.45.2.46  knu       455: $cvsroot = $CVSROOT{$cvstree};
                    456:
                    457: # create icons out of description
1.45.2.55  knu       458: my $k;
                    459: foreach $k (keys %ICONS) {
1.45.2.46  knu       460:     no strict 'refs';
                    461:     my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}};
                    462:     if ($ipath) {
1.45.2.56  knu       463:        ${"${k}icon"} = sprintf('<IMG SRC="%s" ALT="%s" BORDER="0" WIDTH="%d" HEIGHT="%d">',
1.45.2.61  knu       464:                                hrefquote($ipath), htmlquote($itxt), $iwidth, $iheight)
1.16      wosch     465:     }
1.45.2.46  knu       466:     else {
                    467:        ${"${k}icon"} = $itxt;
1.24      wosch     468:     }
                    469: }
1.45.2.55  knu       470: undef $k;
1.24      wosch     471:
1.45.2.53  knu       472: my $config_cvstree = "$config-$cvstree";
                    473:
1.45.2.46  knu       474: # Do some special configuration for cvstrees
1.45.2.53  knu       475: if (-f $config_cvstree) {
1.45.2.62  knu       476:    require $config_cvstree
1.45.2.53  knu       477:      || &fatal("500 Internal Error",
                    478:               sprintf('Error in loading configuration file: %s<BR><BR>%s<BR>',
                    479:                       $config_cvstree, &htmlify($@)));
                    480: }
1.45.2.55  knu       481: undef $config_cvstree;
1.24      wosch     482:
1.45.2.63  knu       483: $re_prcategories = '(?:' . join('|', @prcategories) . ')' if @prcategories;
                    484: $re_prkeyword = quotemeta($prkeyword) if defined($prkeyword);
1.45.2.49  knu       485: $prcgi .= '%s' if defined($prcgi) && $prcgi !~ /%s/;
1.45.2.46  knu       486:
1.45.2.63  knu       487: $fullname = "$cvsroot/$where";
1.45.2.46  knu       488: $mimetype = &getMimeTypeFromSuffix ($fullname);
                    489: $defaultTextPlain = ($mimetype eq "text/plain");
                    490: $defaultViewable = $allow_markup && viewable($mimetype);
                    491:
1.45.2.67  knu       492: my $rewrite = 0;
                    493:
                    494: if ($pathinfo =~ m|//|) {
                    495:     $pathinfo =~ y|/|/|s;
                    496:     $rewrite = 1;
1.16      wosch     497: }
                    498:
1.45.2.67  knu       499: if (-d $fullname && $pathinfo !~ m|/$|) {
                    500:     $pathinfo .= '/';
                    501:     $rewrite = 1;
                    502: }
                    503:
                    504: if (!-d $fullname && $pathinfo =~ m|/$|) {
                    505:     chop $pathinfo;
                    506:     $rewrite = 1;
1.45.2.46  knu       507: }
                    508:
1.45.2.67  knu       509: if ($rewrite) {
                    510:     redirect($scriptname . urlencode($pathinfo) . $query);
                    511: }
                    512:
                    513: undef $rewrite;
                    514:
1.45.2.46  knu       515: if (!-d $cvsroot) {
                    516:     &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.');
                    517: }
                    518:
                    519: #
                    520: # See if the module is in our forbidden list.
                    521: #
                    522: $where =~ m:([^/]*):;
                    523: $module = $1;
                    524: if ($module && &forbidden_module($module)) {
                    525:     &fatal("403 Forbidden", "Access to $where forbidden.");
                    526: }
1.45.2.61  knu       527:
                    528: #
                    529: # Handle tarball downloads before any headers are output.
                    530: #
                    531: if ($input{tarball}) {
                    532:     &fatal("403 Forbidden", "Downloading tarballs is prohibited.")
                    533:       unless $allow_tar;
1.45.2.64  knu       534:     my($module) = ($where =~ m,^/?(.*),);      # untaint
                    535:     $module =~ s,/[^/]*$,,;
                    536:     my($basedir) = ($module =~ m,([^/]+)$,);
1.45.2.61  knu       537:
1.45.2.64  knu       538:     if ($basedir eq '' || $module eq '') {
1.45.2.61  knu       539:        &fatal("500 Internal Error", "You cannot download the top level directory.");
                    540:     }
                    541:
                    542:     my $tmpdir = "/tmp/.cvsweb.$$." . int(time);
                    543:
                    544:     mkdir($tmpdir, 0700)
                    545:       or &fatal("500 Internal Error", "Unable to make temporary directory: $!");
                    546:
                    547:     my $fatal = '';
                    548:
1.45.2.64  knu       549:     while (1) {
1.45.2.63  knu       550:        my $tag = (exists $input{only_with_tag} && length $input{only_with_tag})
                    551:          ? $input{only_with_tag} : "HEAD";
1.45.2.61  knu       552:
1.45.2.67  knu       553:        system $CMD{cvs}, @cvs_options, '-Qd', $cvsroot, 'export', '-r', $tag, '-d', "$tmpdir/$basedir", $module
1.45.2.64  knu       554:          and $fatal = "500 Internal Error","cvs co failure: $!: $module"
1.45.2.61  knu       555:            && last;
                    556:
                    557:        $| = 1; # Essential to get the buffering right.
                    558:
                    559:        print "Content-type: application/x-gzip\r\n\r\n";
                    560:
1.45.2.67  knu       561:        system "$CMD{tar} @tar_options -cf - -C $tmpdir $basedir | $CMD{gzip} @gzip_options -c"
1.45.2.61  knu       562:          and $fatal = "500 Internal Error","tar zc failure: $!: $basedir"
                    563:            && last;
                    564:
1.45.2.64  knu       565:        last;
                    566:     }
1.45.2.61  knu       567:
1.45.2.67  knu       568:     system $CMD{rm}, '-rf', $tmpdir if -d $tmpdir;
1.45.2.61  knu       569:
                    570:     &fatal($fatal) if $fatal;
                    571:
                    572:     exit;
                    573: }
                    574:
1.45.2.46  knu       575: ##############################
                    576: # View a directory
                    577: ###############################
1.45.2.61  knu       578: if (-d $fullname) {
1.45.2.46  knu       579:        my $dh = do {local(*DH);};
                    580:        opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!");
                    581:        my @dir = readdir($dh);
                    582:        closedir($dh);
                    583:        my @subLevelFiles = findLastModifiedSubdirs(@dir)
                    584:            if ($show_subdir_lastmod);
                    585:        getDirLogs($cvsroot,$where,@subLevelFiles);
                    586:
                    587:        if ($where eq '/') {
                    588:            html_header($defaulttitle);
                    589:            $long_intro =~ s/!!CVSROOTdescr!!/$CVSROOTdescr{$cvstree}/g;
                    590:            print $long_intro;
                    591:        }
                    592:        else {
                    593:            html_header($where);
                    594:            print $short_instruction;
                    595:        }
                    596:
                    597:        my $descriptions;
                    598:        if (($use_descriptions) && open (DESC, "<$cvsroot/CVSROOT/descriptions")) {
                    599:            while (<DESC>) {
                    600:                chomp;
                    601:                my ($dir,$description) = /(\S+)\s+(.*)/;
                    602:                $descriptions{$dir} = $description;
                    603:            }
1.1       jfieber   604:        }
1.45.2.46  knu       605:
                    606:        print "<P><a name=\"dirlist\"></a>\n";
                    607:        # give direct access to dirs
                    608:        if ($where eq '/') {
                    609:            chooseMirror();
                    610:            chooseCVSRoot();
                    611:        }
                    612:        else {
                    613:            print "<p>Current directory: <b>", &clickablePath($where,0), "</b>\n";
                    614:
                    615:            print "<P>Current tag: <B>", $input{only_with_tag}, "</b>\n" if
                    616:                $input{only_with_tag};
                    617:
                    618:        }
1.45.2.47  knu       619:
1.45.2.46  knu       620:
                    621:        print "<HR NOSHADE>\n";
1.1       jfieber   622:        # Using <MENU> in this manner violates the HTML2.0 spec but
                    623:        # provides the results that I want in most browsers.  Another
                    624:        # case of layout spooging up HTML.
1.45.2.47  knu       625:
1.45.2.46  knu       626:        my $infocols = 0;
                    627:        if ($dirtable) {
                    628:            if (defined($tableBorderColor)) {
                    629:                # Can't this be done by defining the border for the inner table?
                    630:                print "<table border=0 cellpadding=0 width=\"100%\"><tr><td bgcolor=\"$tableBorderColor\">";
                    631:            }
                    632:            print "<table  width=\"100%\" border=0 cellspacing=1 cellpadding=$tablepadding>\n";
                    633:            $infocols++;
1.45.2.56  knu       634:            printf '<tr><th align=left bgcolor="%s">',
                    635:              $byfile ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    636:            if ($byfile) {
                    637:                print 'File';
                    638:            } else {
                    639:                print &link('File', sprintf('./%s#dirlist',
                    640:                                            &toggleQuery("sortby", "file")));
                    641:            }
1.45.2.46  knu       642:            print "</th>";
                    643:            # do not display the other column-headers, if we do not have any files
                    644:            # with revision information:
                    645:            if (scalar(%fileinfo)) {
                    646:                $infocols++;
1.45.2.56  knu       647:                printf '<th align=left bgcolor="%s">',
                    648:                  $byrev ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    649:                if ($byrev) {
                    650:                    print 'Rev.';
                    651:                } else {
                    652:                    print &link('Rev.', sprintf('./%s#dirlist',
                    653:                                                &toggleQuery("sortby", "rev")));
                    654:                }
1.45.2.46  knu       655:                print "</th>";
                    656:                $infocols++;
1.45.2.56  knu       657:                printf '<th align=left bgcolor="%s">',
                    658:                  $bydate ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    659:                if ($bydate) {
                    660:                    print 'Age';
                    661:                } else {
                    662:                    print &link('Age', sprintf('./%s#dirlist',
                    663:                                               &toggleQuery("sortby", "date")));
                    664:                }
1.45.2.46  knu       665:                print "</th>";
                    666:                if ($show_author) {
                    667:                    $infocols++;
1.45.2.56  knu       668:                    printf '<th align=left bgcolor="%s">',
                    669:                      $byauthor ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    670:                    if ($byauthor) {
                    671:                        print 'Author';
                    672:                    } else {
                    673:                        print &link('Author', sprintf('./%s#dirlist',
                    674:                                                      &toggleQuery("sortby", "author")));
                    675:                    }
1.45.2.46  knu       676:                    print "</th>";
                    677:                }
                    678:                $infocols++;
1.45.2.56  knu       679:                printf '<th align=left bgcolor="%s">',
                    680:                  $bylog ? $columnHeaderColorSorted : $columnHeaderColorDefault;
                    681:                if ($bylog) {
                    682:                    print 'Last log entry';
                    683:                } else {
                    684:                    print &link('Last log entry', sprintf('./%s#dirlist',
                    685:                                                          &toggleQuery("sortby", "log")));
                    686:                }
1.45.2.46  knu       687:                print "</th>";
                    688:            }
                    689:            elsif ($use_descriptions) {
1.45.2.56  knu       690:                printf '<th align=left bgcolor="%s">', $columnHeaderColorDefault;
1.45.2.46  knu       691:                print "Description";
                    692:                $infocols++;
                    693:            }
                    694:            print "</tr>\n";
                    695:        }
                    696:        else {
                    697:            print "<menu>\n";
                    698:        }
                    699:        my $dirrow = 0;
1.45.2.47  knu       700:
1.45.2.46  knu       701:        my $i;
1.9       fenner    702:        lookingforattic:
                    703:        for ($i = 0; $i <= $#dir; $i++) {
                    704:                if ($dir[$i] eq "Attic") {
1.45.2.46  knu       705:                    last lookingforattic;
1.9       fenner    706:                }
                    707:        }
1.45.2.46  knu       708:        if (!$input{'hideattic'} && ($i <= $#dir) &&
                    709:            opendir($dh, $fullname . "/Attic")) {
                    710:            splice(@dir, $i, 1,
                    711:                        grep((s|^|Attic/|,!m|/\.|), readdir($dh)));
                    712:            closedir($dh);
1.9       fenner    713:        }
1.45.2.46  knu       714:
1.45.2.56  knu       715:        my $hideAtticToggleLink = $input{'hideattic'} ? '' :
                    716:          &link('[Hide]', sprintf('./%s#dirlist',
                    717:                                  &toggleQuery ("hideattic")));
1.45.2.46  knu       718:
1.9       fenner    719:        # Sort without the Attic/ pathname.
1.45.2.46  knu       720:        # place directories first
                    721:
                    722:        my $attic;
                    723:        my $url;
                    724:        my $fileurl;
                    725:        my $filesexists;
                    726:        my $filesfound;
                    727:
                    728:        foreach (sort { &fileSortCmp } @dir) {
1.1       jfieber   729:            if ($_ eq '.') {
                    730:                next;
                    731:            }
1.19      wosch     732:            # ignore CVS lock and stale NFS files
1.45.2.46  knu       733:            next if (/^#cvs\.|^,|^\.nfs/);
                    734:
                    735:            # Check whether to show the CVSROOT path
                    736:            next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT'));
                    737:
                    738:            # Check whether the module is in the restricted list
                    739:            next if ($_ && &forbidden_module($_));
                    740:
                    741:            # Ignore non-readable files
                    742:            next if ($input{'hidenonreadable'} && !(-r "$fullname/$_"));
1.18      wosch     743:
1.9       fenner    744:            if (s|^Attic/||) {
1.45.2.46  knu       745:                $attic  = " (in the Attic)&nbsp;" . $hideAtticToggleLink;
                    746:            }
                    747:            else {
1.9       fenner    748:                $attic = "";
                    749:            }
1.45.2.46  knu       750:
                    751:            if ($_ eq '..' || -d "$fullname/$_") {
                    752:                next if ($_ eq '..' && $where eq '/');
1.45.2.68  knu       753:                my ($rev,$date,$log,$author,$filename);
                    754:                ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}}
1.45.2.46  knu       755:                    if (defined($fileinfo{$_}));
1.45.2.56  knu       756:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.45.2.46  knu       757:                if ($_ eq '..') {
1.45.2.56  knu       758:                    $url = "../$query";
1.45.2.46  knu       759:                    if ($nofilelinks) {
                    760:                        print $backicon;
                    761:                    }
                    762:                    else {
1.45.2.56  knu       763:                        print &link($backicon, $url);
1.45.2.46  knu       764:                    }
1.45.2.56  knu       765:                    print " ", &link("Previous Directory", $url);
1.45.2.46  knu       766:                }
                    767:                else {
1.45.2.56  knu       768:                    $url = urlencode($_) . "/$query";
1.45.2.46  knu       769:                    print "<A NAME=\"$_\"></A>";
                    770:                    if ($nofilelinks) {
                    771:                        print $diricon;
                    772:                    }
                    773:                    else {
1.45.2.56  knu       774:                        print &link($diricon, $url);
1.45.2.46  knu       775:                    }
1.45.2.56  knu       776:                    print " ", &link("$_/", $url), $attic;
1.45.2.46  knu       777:                    if ($_ eq "Attic") {
1.45.2.56  knu       778:                        print "&nbsp; ";
                    779:                        print &link("[Don't hide]", sprintf('./%s#dirlist',
                    780:                                                            &toggleQuery ("hideattic")));
1.45.2.46  knu       781:                    }
1.45.2.47  knu       782:                }
1.45.2.46  knu       783:                # Show last change in dir
                    784:                if ($filename) {
                    785:                    print "</td><td>&nbsp;</td><td>&nbsp;" if ($dirtable);
                    786:                    if ($date) {
1.45.2.56  knu       787:                        print " <i>", readableTime(time() - $date,0), "</i>";
1.45.2.46  knu       788:                    }
                    789:                    if ($show_author) {
                    790:                        print "</td><td>&nbsp;" if ($dirtable);
                    791:                        print $author;
                    792:                    }
                    793:                    print "</td><td>&nbsp;" if ($dirtable);
                    794:                    $filename =~ s%^[^/]+/%%;
                    795:                    print "$filename/$rev";
                    796:                    print "<BR>" if ($dirtable);
                    797:                    if ($log) {
1.45.2.56  knu       798:                        print "&nbsp;<font size=-1>",
                    799:                          &htmlify(substr($log,0,$shortLogLen));
1.45.2.46  knu       800:                        if (length $log > 80) {
                    801:                            print "...";
                    802:                        }
                    803:                        print "</font>";
                    804:                    }
                    805:                }
                    806:                else {
                    807:                    my ($dwhere) = ($where ne "/" ? $where : "") . $_;
                    808:                    if ($use_descriptions && defined $descriptions{$dwhere}) {
1.45.2.56  knu       809:                        print "<TD COLSPAN=", ($infocols-1), ">&nbsp;" if $dirtable;
1.45.2.46  knu       810:                        print $descriptions{$dwhere};
                    811:                    } elsif ($dirtable && $infocols > 1) {
                    812:                        # close the row with the appropriate number of
                    813:                        # columns, so that the vertical seperators are visible
                    814:                        my($cols) = $infocols;
                    815:                        while ($cols > 1) {
                    816:                            print "</td><td>&nbsp;";
                    817:                            $cols--;
                    818:                        }
                    819:                    }
                    820:                }
                    821:                if ($dirtable) {
                    822:                    print "</td></tr>\n";
                    823:                }
                    824:                else {
                    825:                    print "<br>\n";
                    826:                }
                    827:                $dirrow++;
1.9       fenner    828:            }
1.45.2.46  knu       829:            elsif (s/,v$//) {
                    830:                $fileurl = ($attic ? "Attic/" : "") . urlencode($_);
                    831:                $url = $fileurl . $query;
                    832:                my $rev = '';
                    833:                my $date = '';
                    834:                my $log = '';
                    835:                my $author = '';
                    836:                $filesexists++;
                    837:                next if (!defined($fileinfo{$_}));
                    838:                ($rev,$date,$log,$author) = @{$fileinfo{$_}};
                    839:                $filesfound++;
1.45.2.56  knu       840:                printf '<tr bgcolor="%s"><td>', $tabcolors[$dirrow % 2] if $dirtable;
1.45.2.46  knu       841:                print "<A NAME=\"$_\"></A>";
                    842:                if ($nofilelinks) {
                    843:                    print $fileicon;
                    844:                }
                    845:                else {
                    846:                    print &link($fileicon,$url);
                    847:                }
                    848:                print " ", &link($_, $url), $attic;
                    849:                print "</td><td>&nbsp;" if ($dirtable);
                    850:                download_link($fileurl,
1.45.2.56  knu       851:                              $rev, $rev,
                    852:                              $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.45.2.46  knu       853:                print "</td><td>&nbsp;" if ($dirtable);
                    854:                if ($date) {
1.45.2.56  knu       855:                    print " <i>", readableTime(time() - $date,0), "</i>";
1.45.2.46  knu       856:                }
                    857:                if ($show_author) {
                    858:                    print "</td><td>&nbsp;" if ($dirtable);
                    859:                    print $author;
                    860:                }
                    861:                print "</td><td>&nbsp;" if ($dirtable);
                    862:                if ($log) {
1.45.2.56  knu       863:                    print " <font size=-1>", &htmlify(substr($log,0,$shortLogLen));
1.45.2.46  knu       864:                    if (length $log > 80) {
                    865:                        print "...";
                    866:                    }
                    867:                    print "</font>";
                    868:                }
                    869:                print "</td>" if ($dirtable);
                    870:                print (($dirtable) ? "</tr>" : "<br>");
                    871:                $dirrow++;
                    872:            }
                    873:            print "\n";
                    874:        }
                    875:        if ($dirtable && defined($tableBorderColor)) {
                    876:            print "</td></tr></table>";
                    877:        }
1.45.2.56  knu       878:        print( $dirtable == 1 ? "</table>\n" : "</menu>\n" );
1.45.2.47  knu       879:
1.45.2.46  knu       880:        if ($filesexists && !$filesfound) {
                    881:            print "<P><B>NOTE:</B> There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n";
                    882:        }
                    883:        if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) {
                    884:            %tags = %alltags
                    885:        }
1.45.2.47  knu       886:        if (scalar %tags
                    887:            || $input{only_with_tag}
1.45.2.46  knu       888:            || $edit_option_form
                    889:            || defined($input{"options"})) {
                    890:            print "<hr size=1 NOSHADE>";
                    891:        }
                    892:
                    893:        if (scalar %tags || $input{only_with_tag}) {
                    894:            print "<FORM METHOD=\"GET\" ACTION=\"./\">\n";
                    895:            foreach my $var (@stickyvars) {
                    896:                print "<INPUT TYPE=HIDDEN NAME=\"$var\" VALUE=\"$input{$var}\">\n"
                    897:                    if (defined($input{$var})
1.45.2.51  knu       898:                        && (!defined($DEFAULTVALUE{$var})
                    899:                            || $input{$var} ne $DEFAULTVALUE{$var})
1.45.2.46  knu       900:                        && $input{$var} ne ""
                    901:                        && $var ne "only_with_tag");
                    902:            }
                    903:            print "Show only files with tag:\n";
                    904:            print "<SELECT NAME=only_with_tag";
                    905:            print " onchange=\"submit()\"" if ($use_java_script);
                    906:            print ">";
                    907:            print "<OPTION VALUE=\"\">All tags / default branch\n";
                    908:            foreach my $tag (reverse sort { lc $a cmp lc $b } keys %tags) {
1.45.2.47  knu       909:                print "<OPTION",defined($input{only_with_tag}) &&
                    910:                       $input{only_with_tag} eq $tag ? " SELECTED" : "",
1.45.2.46  knu       911:                       ">$tag\n";
                    912:            }
                    913:            print "</SELECT>\n";
1.45.2.65  knu       914:            print " Module path or alias:\n";
                    915:            printf "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"%s\" SIZE=15>\n", htmlquote($where);
1.45.2.46  knu       916:            print "<INPUT TYPE=SUBMIT VALUE=\"Go\">\n";
1.9       fenner    917:            print "</FORM>\n";
                    918:        }
1.45.2.61  knu       919:
                    920:        if ($allow_tar) {
                    921:            my($basefile) = ($where =~ m,(?:.*/)?([^/]+),);
                    922:
1.45.2.65  knu       923:            if (defined($basefile) && $basefile ne '') {
1.45.2.61  knu       924:                print "<HR NOSHADE>\n",
                    925:                  "<DIV align=center>",
                    926:                    &link("Download this directory in tarball",
                    927:                          # Mangle the filename so browsers show a reasonable
                    928:                          # filename to download.
                    929:                          "$basefile.tar.gz$query".
                    930:                          ($query ? "&" : "?")."tarball=1"),
                    931:                            "</DIV>";
                    932:            }
                    933:        }
                    934:
1.45.2.46  knu       935:        my $formwhere = $scriptwhere;
                    936:        $formwhere =~ s|Attic/?$|| if ($input{'hideattic'});
                    937:
                    938:        if ($edit_option_form || defined($input{"options"})) {
                    939:            print "<FORM METHOD=\"GET\" ACTION=\"${formwhere}\">\n";
                    940:            print "<INPUT TYPE=HIDDEN NAME=\"copt\" VALUE=\"1\">\n";
                    941:            if ($cvstree ne $cvstreedefault) {
                    942:                print "<INPUT TYPE=HIDDEN NAME=\"cvsroot\" VALUE=\"$cvstree\">\n";
                    943:            }
                    944:            print "<center><table cellpadding=0 cellspacing=0>";
                    945:            print "<tr bgcolor=\"$columnHeaderColorDefault\"><th colspan=2>Preferences</th></tr>";
                    946:            print "<tr><td>Sort files by <SELECT name=\"sortby\">";
                    947:            print "<OPTION VALUE=\"\">File";
                    948:            print "<OPTION",$bydate ? " SELECTED" : ""," VALUE=date>Age";
                    949:            print "<OPTION",$byauthor ? " SELECTED" : ""," VALUE=author>Author"
                    950:                if ($show_author);
                    951:            print "<OPTION",$byrev ? " SELECTED" : ""," VALUE=rev>Revision";
                    952:            print "<OPTION",$bylog ? " SELECTED" : ""," VALUE=log>Log message";
                    953:            print "</SELECT></td>";
1.45.2.56  knu       954:            print "<td>Sort log by: ";
                    955:            printLogSortSelect(0);
                    956:            print "</td></tr>";
1.45.2.46  knu       957:            print "<tr><td>Diff format: ";
1.45.2.47  knu       958:            printDiffSelect(0);
1.45.2.46  knu       959:            print "</td>";
                    960:            print "<td>Show Attic files: ";
1.45.2.47  knu       961:            print "<INPUT NAME=hideattic TYPE=CHECKBOX", $input{'hideattic'} ? " CHECKED" : "",
1.45.2.46  knu       962:            "></td></tr>\n";
                    963:            print "<tr><td align=center colspan=2><input type=submit value=\"Change Options\">";
                    964:            print "</td></tr></table></center></FORM>\n";
1.12      fenner    965:        }
1.2       jfieber   966:        print &html_footer;
1.1       jfieber   967:        print "</BODY></HTML>\n";
1.45.2.47  knu       968:     }
1.45.2.46  knu       969:
                    970: ###############################
                    971: # View Files
                    972: ###############################
                    973:     elsif (-f $fullname . ',v') {
                    974:        if (defined($input{'rev'}) || $doCheckout) {
                    975:            &doCheckout($fullname, $input{'rev'});
1.45.2.52  knu       976:            gzipclose();
1.45.2.46  knu       977:            exit;
                    978:        }
                    979:        if (defined($input{'annotate'}) && $allow_annotate) {
                    980:            &doAnnotate($input{'annotate'});
1.45.2.52  knu       981:            gzipclose();
1.45.2.46  knu       982:            exit;
                    983:        }
                    984:        if (defined($input{'r1'}) && defined($input{'r2'})) {
                    985:            &doDiff($fullname, $input{'r1'}, $input{'tr1'},
                    986:                    $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu       987:            gzipclose();
1.45.2.46  knu       988:            exit;
                    989:        }
                    990:        print("going to dolog($fullname)\n") if ($verbose);
                    991:        &doLog($fullname);
                    992: ##############################
                    993: # View Diff
                    994: ##############################
                    995:     }
                    996:     elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" &&
                    997:           $input{'r1'} && $input{'r2'}) {
                    998:
                    999:        # $where-diff-removal if 'cvs rdiff' is used
                   1000:        # .. but 'cvs rdiff'doesn't support some options
                   1001:        # rcsdiff does (-w and -p), so it is disabled
                   1002:        # $where =~ s/\.diff$//;
                   1003:
1.12      fenner   1004:        # Allow diffs using the ".diff" extension
                   1005:        # so that browsers that default to the URL
                   1006:        # for a save filename don't save diff's as
                   1007:        # e.g. foo.c
1.45.2.46  knu      1008:        &doDiff($fullname, $input{'r1'}, $input{'tr1'},
1.12      fenner   1009:                $input{'r2'}, $input{'tr2'}, $input{'f'});
1.45.2.52  knu      1010:        gzipclose();
1.12      fenner   1011:        exit;
1.45.2.46  knu      1012:     }
                   1013:     elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| &&
                   1014:           -f $newname . ",v") {
1.12      fenner   1015:        # The file has been removed and is in the Attic.
                   1016:        # Send a redirect pointing to the file in the Attic.
1.45.2.46  knu      1017:        (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|;
1.45.2.65  knu      1018:        redirect("$newplace$query");
1.12      fenner   1019:        exit;
1.45.2.46  knu      1020:     }
                   1021:     elsif (0 && (my @files = &safeglob($fullname . ",v"))) {
                   1022:        http_header("text/plain");
1.12      fenner   1023:        print "You matched the following files:\n";
                   1024:        print join("\n", @files);
                   1025:        # Find the tags from each file
                   1026:        # Display a form offering diffs between said tags
1.45.2.46  knu      1027:     }
                   1028:     else {
                   1029:        my $fh = do {local(*FH);};
                   1030:        my ($xtra, $module);
1.12      fenner   1031:        # Assume it's a module name with a potential path following it.
1.45.2.59  knu      1032:        $xtra = (($module = $where) =~ s|/.*||) ? $& : '';
1.12      fenner   1033:        # Is there an indexed version of modules?
1.45.2.67  knu      1034:        if (open($fh, "< $cvsroot/CVSROOT/modules")) {
1.45.2.46  knu      1035:            while (<$fh>) {
                   1036:                if (/^(\S+)\s+(\S+)/o && $module eq $1
1.45.2.59  knu      1037:                    && -d "$cvsroot/$2" && $module ne $2) {
1.45.2.65  knu      1038:                    redirect("$scriptname/$2$xtra$query");
1.12      fenner   1039:                }
1.45.2.46  knu      1040:            }
1.12      fenner   1041:        }
                   1042:        &fatal("404 Not Found","$where: no such file or directory");
1.45.2.46  knu      1043:     }
1.45.2.51  knu      1044:
1.45.2.52  knu      1045: gzipclose();
1.45.2.46  knu      1046: ## End MAIN
                   1047:
1.45.2.47  knu      1048: sub printDiffSelect($) {
1.45.2.46  knu      1049:     my ($use_java_script) = @_;
1.45.2.56  knu      1050:     my $f = $input{'f'};
                   1051:
                   1052:     print '<SELECT NAME="f"';
                   1053:     print ' onchange="submit()"' if $use_java_script;
                   1054:     print '>';
                   1055:
                   1056:     local $_;
                   1057:     for (@DIFFTYPES) {
                   1058:        printf('<OPTION VALUE="%s"%s>%s',
                   1059:               $_,
                   1060:               $f eq $_ ? ' SELECTED' : '',
                   1061:               "\u$DIFFTYPES{$_}{'descr'}"
                   1062:              );
                   1063:     }
                   1064:
                   1065:     print "</SELECT>";
                   1066: }
                   1067:
                   1068: sub printLogSortSelect($) {
                   1069:     my ($use_java_script) = @_;
                   1070:
                   1071:     print '<SELECT NAME="logsort"';
                   1072:     print ' onchange="submit()"' if $use_java_script;
                   1073:     print '>';
                   1074:
                   1075:     local $_;
                   1076:     for (@LOGSORTKEYS) {
                   1077:        printf('<OPTION VALUE="%s"%s>%s',
                   1078:               $_,
                   1079:               $logsort eq $_ ? ' SELECTED' : '',
                   1080:               "\u$LOGSORTKEYS{$_}{'descr'}"
                   1081:              );
                   1082:     }
                   1083:
1.45.2.46  knu      1084:     print "</SELECT>";
                   1085: }
                   1086:
1.45.2.47  knu      1087: sub findLastModifiedSubdirs(@) {
1.45.2.46  knu      1088:     my (@dirs) = @_;
                   1089:     my ($dirname, @files);
                   1090:
                   1091:     foreach $dirname (@dirs) {
                   1092:        next if ($dirname eq ".");
                   1093:        next if ($dirname eq "..");
                   1094:        my ($dir) = "$fullname/$dirname";
                   1095:        next if (!-d $dir);
                   1096:
                   1097:        my ($lastmod) = undef;
                   1098:        my ($lastmodtime) = undef;
                   1099:        my $dh = do {local(*DH);};
                   1100:
                   1101:        opendir($dh,$dir) || next;
                   1102:        my (@filenames) = readdir($dh);
                   1103:        closedir($dh);
                   1104:
                   1105:        foreach my $filename (@filenames) {
                   1106:            $filename = "$dirname/$filename";
                   1107:            my ($file) = "$fullname/$filename";
                   1108:            next if ($filename !~ /,v$/ || !-f $file);
                   1109:            $filename =~ s/,v$//;
                   1110:            my $modtime = -M $file;
                   1111:            if (!defined($lastmod) || $modtime < $lastmodtime) {
                   1112:                $lastmod = $filename;
                   1113:                $lastmodtime = $modtime;
                   1114:            }
                   1115:        }
                   1116:        push(@files, $lastmod) if (defined($lastmod));
                   1117:     }
                   1118:     return @files;
1.12      fenner   1119: }
                   1120:
1.45.2.56  knu      1121: sub htmlify_sub(&$) {
                   1122:     (my $proc, local $_) = @_;
                   1123:     local @_ = split(m`(<a [^>]+>[^<]*</a>)`i);
1.45.2.57  knu      1124:     my $linked;
                   1125:     my $result = '';
1.45.2.56  knu      1126:
                   1127:     while (($_, $linked) = splice(@_, 0, 2)) {
                   1128:        &$proc();
1.45.2.57  knu      1129:        $result .= $_ if defined($_);
                   1130:        $result .= $linked if defined($linked);
1.45.2.56  knu      1131:     }
1.12      fenner   1132:
1.45.2.56  knu      1133:     $result;
                   1134: }
1.12      fenner   1135:
1.45.2.56  knu      1136: sub htmlify($;$) {
                   1137:     (local $_, my $extra) = @_;
1.45.2.46  knu      1138:
1.45.2.56  knu      1139:     $_ = htmlquote($_);
1.45.2.49  knu      1140:
1.45.2.56  knu      1141:     # get URL's as link
                   1142:     s{
                   1143:       (http|ftp|https)://\S+
                   1144:      }{
                   1145:         &link($&, htmlunquote($&))
                   1146:      }egx;
                   1147:
                   1148:     # get e-mails as link
                   1149:     $_ = htmlify_sub {
                   1150:        s<
                   1151:          [\w+=\-.!]+@[\w\-]+(\.[\w\-]+)+
                   1152:            ><
                   1153:              &link($&, "mailto:$&")
                   1154:                >egix;
                   1155:     } $_;
                   1156:
                   1157:     if ($extra) {
                   1158:        # get PR #'s as link: "PR#nnnn" "PR: nnnn, ..." "PR nnnn, ..." "bin/nnnn"
1.45.2.63  knu      1159:        if (defined($prcgi) && defined($re_prcategories) && defined($re_prkeyword)) {
1.45.2.56  knu      1160:            my $prev;
                   1161:
                   1162:            do {
                   1163:                $prev = $_;
                   1164:
                   1165:                $_ = htmlify_sub {
                   1166:                    s{
1.45.2.63  knu      1167:                      (\b$re_prkeyword[:\#]?\s*
1.45.2.56  knu      1168:                       (?:
                   1169:                        \#?
                   1170:                        \d+[,\s]\s*
                   1171:                       )*
                   1172:                       \#?)
                   1173:                      (\d+)\b
                   1174:                     }{
1.45.2.58  knu      1175:                         $1 . &link($2, sprintf($prcgi, $2))
1.45.2.56  knu      1176:                     }egix;
                   1177:                } $_;
                   1178:            } while ($_ ne $prev);
                   1179:
                   1180:            $_ = htmlify_sub {
                   1181:                s{
1.45.2.63  knu      1182:                  (\b$re_prcategories/(\d+)\b)
1.45.2.56  knu      1183:                 }{
1.45.2.58  knu      1184:                     &link($1, sprintf($prcgi, $2))
1.45.2.56  knu      1185:                 }egox;
                   1186:            } $_;
                   1187:        }
                   1188:
                   1189:        # get manpage specs as link: "foo.1" "foo(1)"
                   1190:        if (defined($mancgi)) {
                   1191:            $_ = htmlify_sub {
                   1192:                s{
1.45.2.63  knu      1193:                  (\b([a-zA-Z][\w.]+)
1.45.2.56  knu      1194:                   (?:
                   1195:                    \( ([0-9n]) \)\B
                   1196:                    |
                   1197:                    \.([0-9n])\b
                   1198:                   )
                   1199:                  )
                   1200:                 }{
1.45.2.63  knu      1201:                     &link($1, sprintf($mancgi, defined($3) ? $3 : $4, $2))
1.45.2.56  knu      1202:                 }egx;
                   1203:            } $_;
1.12      fenner   1204:        }
1.45.2.56  knu      1205:     }
1.12      fenner   1206:
1.45.2.56  knu      1207:     $_;
1.45.2.46  knu      1208: }
                   1209:
1.45.2.51  knu      1210: sub spacedHtmlText($;$) {
1.45.2.47  knu      1211:        local $_ = $_[0];
1.45.2.51  knu      1212:        my $ts = $_[1] || $tabstop;
1.45.2.46  knu      1213:
1.45.2.51  knu      1214:        # Cut trailing spaces and tabs
                   1215:        s/[ \t]+$//;
1.45.2.46  knu      1216:
1.45.2.51  knu      1217:         if (defined($ts)) {
                   1218:            # Expand tabs
                   1219:            1 while s/\t+/' ' x (length($&) * $ts - length($`) % $ts)/e
                   1220:        }
1.45.2.46  knu      1221:
                   1222:        # replace <tab> and <space> (\001 is to protect us from htmlify)
                   1223:        # gzip can make excellent use of this repeating pattern :-)
                   1224:        if ($hr_breakable) {
                   1225:            # make every other space 'breakable'
1.45.2.47  knu      1226:            s/  / \001nbsp;/g;                              # 2 * <space>
1.45.2.46  knu      1227:            # leave single space as it is
1.45.2.51  knu      1228:        } else {
1.45.2.47  knu      1229:            s/ /\001nbsp;/g;
1.45.2.46  knu      1230:        }
                   1231:
1.45.2.47  knu      1232:        $_ = htmlify($_);
1.45.2.46  knu      1233:
                   1234:        # unescape
1.45.2.51  knu      1235:        y/\001/&/;
1.45.2.46  knu      1236:
1.45.2.47  knu      1237:        return $_;
1.12      fenner   1238: }
                   1239:
1.45.2.47  knu      1240: sub link($$) {
1.45.2.67  knu      1241:        my($name, $url) = @_;
1.12      fenner   1242:
1.45.2.69! knu      1243:        $url =~ s/:/sprintf("%%%02x", ord($&))/eg;
        !          1244:
1.45.2.67  knu      1245:        sprintf '<A HREF="%s">%s</A>', hrefquote($url), $name;
1.12      fenner   1246: }
                   1247:
1.45.2.47  knu      1248: sub revcmp($$) {
1.45.2.46  knu      1249:        my($rev1, $rev2) = @_;
1.45.2.48  knu      1250:
                   1251:        # make no comparison for a tag or a branch
                   1252:        return 0 if $rev1 =~ /[^\d.]/ || $rev2 =~ /[^\d.]/;
                   1253:
1.45.2.46  knu      1254:        my(@r1) = split(/\./, $rev1);
                   1255:        my(@r2) = split(/\./, $rev2);
                   1256:        my($a,$b);
1.12      fenner   1257:
                   1258:        while (($a = shift(@r1)) && ($b = shift(@r2))) {
                   1259:            if ($a != $b) {
                   1260:                return $a <=> $b;
                   1261:            }
                   1262:        }
                   1263:        if (@r1) { return 1; }
                   1264:        if (@r2) { return -1; }
                   1265:        return 0;
                   1266: }
                   1267:
1.45.2.47  knu      1268: sub fatal($$) {
1.45.2.46  knu      1269:        my($errcode, $errmsg) = @_;
                   1270:        if ($is_mod_perl) {
                   1271:                Apache->request->status((split(/ /, $errcode))[0]);
                   1272:        }
                   1273:        else {
                   1274:                print "Status: $errcode\r\n";
                   1275:        }
                   1276:        html_header("Error");
1.12      fenner   1277:        print "Error: $errmsg\n";
                   1278:        print &html_footer;
                   1279:        exit(1);
                   1280: }
                   1281:
1.45.2.47  knu      1282: sub redirect($) {
1.45.2.46  knu      1283:        my($url) = @_;
                   1284:        if ($is_mod_perl) {
                   1285:                Apache->request->status(301);
                   1286:                Apache->request->header_out(Location => $url);
                   1287:        }
                   1288:        else {
                   1289:                print "Status: 301 Moved\r\n";
                   1290:                print "Location: $url\r\n";
                   1291:        }
                   1292:        html_header("Moved");
1.45.2.56  knu      1293:        print "This document is located ", &link('here', $url), "\n";
1.12      fenner   1294:        print &html_footer;
                   1295:        exit(1);
                   1296: }
                   1297:
1.45.2.47  knu      1298: sub safeglob($) {
1.45.2.46  knu      1299:        my ($filename) = @_;
                   1300:        my ($dirname);
                   1301:        my (@results);
                   1302:        my $dh = do {local(*DH);};
1.12      fenner   1303:
                   1304:        ($dirname = $filename) =~ s|/[^/]+$||;
                   1305:        $filename =~ s|.*/||;
                   1306:
1.45.2.46  knu      1307:        if (opendir($dh, $dirname)) {
                   1308:                my $glob = $filename;
                   1309:                my $t;
1.12      fenner   1310:        #       transform filename from glob to regex.  Deal with:
                   1311:        #       [, {, ?, * as glob chars
                   1312:        #       make sure to escape all other regex chars
                   1313:                $glob =~ s/([\.\(\)\|\+])/\\$1/g;
                   1314:                $glob =~ s/\*/.*/g;
                   1315:                $glob =~ s/\?/./g;
                   1316:                $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg;
1.45.2.46  knu      1317:                foreach (readdir($dh)) {
1.12      fenner   1318:                        if (/^${glob}$/) {
1.45.2.56  knu      1319:                                push(@results, "$dirname/" .$_);
1.12      fenner   1320:                        }
                   1321:                }
1.45.2.69! knu      1322:                closedir($dh);
1.12      fenner   1323:        }
                   1324:
                   1325:        @results;
                   1326: }
                   1327:
1.45.2.67  knu      1328: sub search_path($) {
                   1329:     my($command) = @_;
                   1330:     my $d;
                   1331:
                   1332:     for $d (split(/:/, $command_path)) {
                   1333:        return "$d/$command" if -x "$d/$command";
                   1334:     }
                   1335:
                   1336:     $command;
                   1337: }
                   1338:
1.45.2.47  knu      1339: sub getMimeTypeFromSuffix($) {
1.45.2.46  knu      1340:     my ($fullname) = @_;
                   1341:     my ($mimetype, $suffix);
                   1342:     my $fh = do {local(*FH);};
                   1343:
                   1344:     ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/;
                   1345:     $mimetype = $MTYPES{$suffix};
                   1346:     $mimetype = $MTYPES{'*'} if (!$mimetype);
1.45.2.47  knu      1347:
1.45.2.46  knu      1348:     if (!$mimetype && -f $mime_types) {
                   1349:        # okey, this is something special - search the
                   1350:        # mime.types database
                   1351:        open ($fh, "<$mime_types");
                   1352:        while (<$fh>) {
                   1353:            if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) {
                   1354:                $mimetype = $1;
                   1355:                last;
                   1356:            }
                   1357:        }
                   1358:        close ($fh);
                   1359:     }
1.45.2.47  knu      1360:
1.45.2.46  knu      1361: # okey, didn't find anything useful ..
                   1362:     if (!($mimetype =~ /\S\/\S/)) {
                   1363:        $mimetype = "text/plain";
                   1364:     }
                   1365:     return $mimetype;
                   1366: }
1.12      fenner   1367:
1.45.2.46  knu      1368: ###############################
1.45.2.51  knu      1369: # read first lines like head(1)
                   1370: ###############################
                   1371: sub head($;$) {
                   1372:     my $fh = $_[0];
                   1373:     my $linecount = $_[1] || 10;
                   1374:
                   1375:     my @buf;
                   1376:
                   1377:     if ($linecount > 0) {
                   1378:        my $i;
                   1379:        for ($i = 0; !eof($fh) && $i < $linecount; $i++) {
                   1380:            push @buf, scalar <$fh>;
                   1381:        }
                   1382:     } else {
                   1383:        @buf = <$fh>;
                   1384:     }
                   1385:
                   1386:     @buf;
                   1387: }
                   1388:
                   1389: ###############################
                   1390: # scan vim and Emacs directives
                   1391: ###############################
                   1392: sub scan_directives(@) {
                   1393:     my $ts = undef;
                   1394:
                   1395:     for (@_) {
                   1396:        $ts = $1 if /\b(?:ts|tabstop|tab-width)[:=]\s*([1-9]\d*)\b/;
                   1397:     }
                   1398:
                   1399:     ('tabstop' => $ts);
                   1400: }
                   1401:
                   1402: ###############################
1.45.2.46  knu      1403: # show Annotation
                   1404: ###############################
1.45.2.47  knu      1405: sub doAnnotate($$) {
1.45.2.46  knu      1406:     my ($rev) = @_;
                   1407:     my ($pid);
                   1408:     my ($pathname, $filename);
                   1409:     my $reader = do {local(*FH);};
                   1410:     my $writer = do {local(*FH);};
                   1411:
1.45.2.67  knu      1412:     # make sure the revisions are wellformed, for security
1.45.2.46  knu      1413:     # reasons ..
1.45.2.48  knu      1414:     if ($rev =~ /[^\w.]/) {
1.45.2.46  knu      1415:        &fatal("404 Not Found",
                   1416:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1417:     }
                   1418:
                   1419:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1420:     ($filename = $where) =~ s/^.*\///;
                   1421:
                   1422:     # this seems to be necessary
                   1423:     $| = 1; $| = 0; # Flush
                   1424:
                   1425:     # this annotate version is based on the
                   1426:     # cvs annotate-demo Perl script by Cyclic Software
                   1427:     # It was written by Cyclic Software, http://www.cyclic.com/, and is in
                   1428:     # the public domain.
                   1429:     # we could abandon the use of rlog, rcsdiff and co using
                   1430:     # the cvsserver in a similiar way one day (..after rewrite)
1.45.2.69! knu      1431:     $pid = open2($reader, $writer, $CMD{cvs}, @cvs_options, "server")
1.45.2.64  knu      1432:       || fatal ("500 Internal Error", "Fatal Error - unable to open cvs for annotation");
1.45.2.47  knu      1433:
1.45.2.46  knu      1434:     # OK, first send the request to the server.  A simplified example is:
                   1435:     #     Root /home/kingdon/zwork/cvsroot
                   1436:     #     Argument foo/xx
                   1437:     #     Directory foo
                   1438:     #     /home/kingdon/zwork/cvsroot/foo
                   1439:     #     Directory .
                   1440:     #     /home/kingdon/zwork/cvsroot
                   1441:     #     annotate
                   1442:     # although as you can see there are a few more details.
1.45.2.47  knu      1443:
1.45.2.46  knu      1444:     print $writer "Root $cvsroot\n";
                   1445:     print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n";
                   1446:     # Don't worry about sending valid-requests, the server just needs to
                   1447:     # support "annotate" and if it doesn't, there isn't anything to be done.
                   1448:     print $writer "UseUnchanged\n";
                   1449:     print $writer "Argument -r\n";
                   1450:     print $writer "Argument $rev\n";
                   1451:     print $writer "Argument $where\n";
                   1452:
                   1453:     # The protocol requires us to fully fake a working directory (at
                   1454:     # least to the point of including the directories down to the one
                   1455:     # containing the file in question).
                   1456:     # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file")
                   1457:     my @dirs = split('/', $where);
                   1458:     my $path = "";
                   1459:     foreach (@dirs) {
                   1460:        if ($path eq "") {
                   1461:            # In our example, $_ is "dir".
                   1462:            $path = $_;
1.45.2.47  knu      1463:        }
1.45.2.46  knu      1464:        else {
                   1465:            print $writer "Directory $path\n";
                   1466:            print $writer "$cvsroot/$path\n";
                   1467:            # In our example, $_ is "sdir" and $path becomes "dir/sdir"
                   1468:            # And the next time, "file" and "dir/sdir/file" (which then gets
                   1469:            # ignored, because we don't need to send Directory for the file).
                   1470:             $path .= "/$_";
1.12      fenner   1471:        }
1.45.2.46  knu      1472:     }
                   1473:     # And the last "Directory" before "annotate" is the top level.
                   1474:     print $writer "Directory .\n";
                   1475:     print $writer "$cvsroot\n";
1.45.2.47  knu      1476:
1.45.2.46  knu      1477:     print $writer "annotate\n";
                   1478:     # OK, we've sent our command to the server.  Thing to do is to
                   1479:     # close the writer side and get all the responses.  If "cvs server"
                   1480:     # were nicer about buffering, then we could just leave it open, I think.
                   1481:     close ($writer) || die "cannot close: $!";
1.45.2.47  knu      1482:
1.45.2.54  knu      1483:     http_header();
                   1484:
                   1485:     navigateHeader($scriptwhere,$pathname,$filename,$rev, "annotate");
                   1486:     print "<h3 align=center>Annotation of $pathname$filename, Revision $rev</h3>\n";
                   1487:
1.45.2.46  knu      1488:     # Ready to get the responses from the server.
                   1489:     # For example:
                   1490:     #     E Annotations for foo/xx
                   1491:     #     E ***************
1.45.2.47  knu      1492:     #     M 1.3          (kingdon  06-Sep-97): hello
1.45.2.46  knu      1493:     #     ok
                   1494:     my ($lineNr) = 0;
                   1495:     my ($oldLrev, $oldLusr) = ("", "");
                   1496:     my ($revprint, $usrprint);
                   1497:     if ($annTable) {
                   1498:        print "<table border=0 cellspacing=0 cellpadding=0>\n";
                   1499:     }
                   1500:     else {
                   1501:        print "<pre>";
                   1502:     }
1.45.2.51  knu      1503:
                   1504:     # prefetch several lines
                   1505:     my @buf = head($reader);
                   1506:
                   1507:     my %d = scan_directives(@buf);
                   1508:
                   1509:     while (@buf || !eof($reader)) {
                   1510:        $_ = @buf ? shift @buf : <$reader>;
                   1511:
1.45.2.46  knu      1512:        my @words = split;
                   1513:        # Adding one is for the (single) space which follows $words[0].
                   1514:        my $rest = substr ($_, length ($words[0]) + 1);
                   1515:        if ($words[0] eq "E") {
                   1516:            next;
                   1517:        }
                   1518:        elsif ($words[0] eq "M") {
                   1519:            $lineNr++;
1.45.2.54  knu      1520:            (my $lrev = substr($_, 2, 13)) =~ y/ //d;
                   1521:            (my $lusr = substr($_, 16,  9)) =~ y/ //d;
                   1522:            my $line = substr($_, 36);
                   1523:            my $isCurrentRev = ($rev eq $lrev);
1.45.2.46  knu      1524:            # we should parse the date here ..
                   1525:            if ($lrev eq $oldLrev) {
1.45.2.54  knu      1526:                $revprint = sprintf('%-8s', '');
1.45.2.46  knu      1527:            }
                   1528:            else {
1.45.2.54  knu      1529:                $revprint = sprintf('%-8s', $lrev);
1.45.2.56  knu      1530:                $revprint =~ s`\S+`&link($&, "$scriptwhere$query#rev$&")`e;     # `
1.45.2.54  knu      1531:                $oldLusr = '';
1.45.2.46  knu      1532:            }
                   1533:            if ($lusr eq $oldLusr) {
1.45.2.54  knu      1534:                $usrprint = '';
1.45.2.46  knu      1535:            }
                   1536:            else {
                   1537:                $usrprint = $lusr;
                   1538:            }
                   1539:            $oldLrev = $lrev;
                   1540:            $oldLusr = $lusr;
1.45.2.47  knu      1541:
1.45.2.54  knu      1542:            # Set bold for text-based browsers only - graphical
                   1543:            # browsers show bold fonts a bit wider than regular fonts,
                   1544:            # so it looks irregular.
                   1545:            print "<b>" if ($isCurrentRev && $is_textbased);
                   1546:
1.45.2.55  knu      1547:            printf "%s%s %-8s %4d:",
1.45.2.54  knu      1548:                    $revprint,
                   1549:                    $isCurrentRev ? '!' : ' ',
                   1550:                    $usrprint,
1.45.2.55  knu      1551:                    $lineNr;
1.45.2.51  knu      1552:            print spacedHtmlText($line, $d{'tabstop'});
1.45.2.54  knu      1553:
                   1554:            print "</b>" if ($isCurrentRev && $is_textbased);
1.45.2.46  knu      1555:        }
                   1556:        elsif ($words[0] eq "ok") {
                   1557:            # We could complain about any text received after this, like the
                   1558:            # CVS command line client.  But for simplicity, we don't.
                   1559:        }
                   1560:        elsif ($words[0] eq "error") {
1.45.2.56  knu      1561:            fatal("500 Internal Error", "Error occured during annotate: <b>$_</b>");
1.45.2.46  knu      1562:        }
                   1563:     }
                   1564:     if ($annTable) {
                   1565:        print "</table>";
                   1566:     }
                   1567:     else {
                   1568:        print "</pre>";
                   1569:     }
                   1570:     close ($reader) || warn "cannot close: $!";
                   1571:     wait;
                   1572: }
                   1573:
                   1574: ###############################
                   1575: # make Checkout
                   1576: ###############################
1.45.2.47  knu      1577: sub doCheckout($$) {
1.45.2.46  knu      1578:     my ($fullname, $rev) = @_;
                   1579:     my ($mimetype,$revopt);
                   1580:     my $fh = do {local(*FH);};
                   1581:
1.45.2.48  knu      1582:     if ($rev eq 'HEAD' || $rev eq '.') {
                   1583:        $rev = undef;
                   1584:     }
                   1585:
1.45.2.46  knu      1586:     # make sure the revisions a wellformed, for security
                   1587:     # reasons ..
1.45.2.48  knu      1588:     if (defined($rev) && $rev =~ /[^\w.]/) {
1.45.2.46  knu      1589:        &fatal("404 Not Found",
                   1590:                "Malformed query \"$ENV{QUERY_STRING}\"");
                   1591:     }
                   1592:
                   1593:     # get mimetype
                   1594:     if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) {
                   1595:        $mimetype = $input{"content-type"}
                   1596:     }
                   1597:     else {
                   1598:        $mimetype = &getMimeTypeFromSuffix($fullname);
                   1599:     }
                   1600:
                   1601:     if (defined($rev)) {
                   1602:        $revopt = "-r$rev";
                   1603:        if ($use_moddate) {
                   1604:            readLog($fullname,$rev);
                   1605:            $moddate=$date{$rev};
                   1606:        }
                   1607:     }
                   1608:     else {
                   1609:        $revopt = "-rHEAD";
                   1610:        if ($use_moddate) {
                   1611:            readLog($fullname);
                   1612:            $moddate=$date{$symrev{HEAD}};
                   1613:        }
                   1614:     }
1.45.2.47  knu      1615:
1.45.2.46  knu      1616:     ### just for the record:
                   1617:     ### 'cvs co' seems to have a bug regarding single checkout of
                   1618:     ### directories/files having spaces in it;
                   1619:     ### this is an issue that should be resolved on cvs's side
                   1620:     #
                   1621:     # Safely for a child process to read from.
                   1622:     if (! open($fh, "-|")) { # child
1.45.2.67  knu      1623:        open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
                   1624:        exec($CMD{cvs}, @cvs_options, '-d', $cvsroot, 'co', '-p', $revopt, $where);
1.45.2.47  knu      1625:     }
1.45.2.58  knu      1626:
                   1627:     if (eof($fh)) {
                   1628:        &fatal("404 Not Found",
                   1629:               "$where is not (any longer) pertinent");
                   1630:     }
1.45.2.46  knu      1631: #===================================================================
                   1632: #Checking out squid/src/ftp.c
                   1633: #RCS:  /usr/src/CVS/squid/src/ftp.c,v
                   1634: #VERS: 1.1.1.28.6.2
                   1635: #***************
                   1636:
                   1637:     # Parse CVS header
                   1638:     my ($revision, $filename, $cvsheader);
                   1639:     while(<$fh>) {
                   1640:        last if (/^\*\*\*\*/);
                   1641:        $revision = $1 if (/^VERS: (.*)$/);
                   1642:        if (/^Checking out (.*)$/) {
                   1643:                $filename = $1;
                   1644:                $filename =~ s/^\.\/*//;
                   1645:        }
                   1646:        $cvsheader .= $_;
                   1647:     }
                   1648:     if ($filename ne $where) {
                   1649:        &fatal("500 Internal Error",
1.45.2.58  knu      1650:               "Unexpected output from cvs co: $cvsheader");
1.45.2.46  knu      1651:     }
                   1652:     $| = 1;
                   1653:
                   1654:     if ($mimetype eq "text/x-cvsweb-markup") {
                   1655:        &cvswebMarkup($fh,$fullname,$revision);
                   1656:     }
                   1657:     else {
                   1658:        http_header($mimetype);
                   1659:        print <$fh>;
                   1660:     }
                   1661:     close($fh);
                   1662: }
                   1663:
1.45.2.47  knu      1664: sub cvswebMarkup($$$) {
1.45.2.46  knu      1665:     my ($filehandle,$fullname,$revision) = @_;
                   1666:     my ($pathname, $filename);
                   1667:
                   1668:     ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//;
                   1669:     ($filename = $where) =~ s/^.*\///;
                   1670:     my ($fileurl) = urlencode($filename);
                   1671:
                   1672:     http_header();
                   1673:
1.45.2.47  knu      1674:     navigateHeader($scriptwhere, $pathname, $filename, $revision, "view");
1.45.2.46  knu      1675:     print "<HR noshade>";
                   1676:     print "<table width=\"100%\"><tr><td bgcolor=\"$markupLogColor\">";
                   1677:     print "File: ", &clickablePath($where, 1);
1.45.2.56  knu      1678:     print "&nbsp;(";
                   1679:     &download_link($fileurl, $revision, "download");
                   1680:     print ")";
1.45.2.46  knu      1681:     if (!$defaultTextPlain) {
1.45.2.56  knu      1682:        print "&nbsp;(";
                   1683:        &download_link($fileurl, $revision, "as text",
1.45.2.46  knu      1684:               "text/plain");
1.45.2.56  knu      1685:        print ")";
1.45.2.46  knu      1686:     }
                   1687:     print "<BR>\n";
                   1688:     if ($show_log_in_markup) {
                   1689:        readLog($fullname); #,$revision);
                   1690:        printLog($revision,0);
                   1691:     }
                   1692:     else {
                   1693:        print "Version: <B>$revision</B><BR>\n";
                   1694:        print "Tag: <B>", $input{only_with_tag}, "</b><br>\n" if
                   1695:            $input{only_with_tag};
                   1696:     }
                   1697:     print "</td></tr></table>";
                   1698:     my $url = download_url($fileurl, $revision, $mimetype);
                   1699:     print "<HR noshade>";
                   1700:     if ($mimetype =~ /^image/) {
1.45.2.61  knu      1701:        printf '<IMG SRC="%s"><BR>', hrefquote("$url$barequery");
1.45.2.46  knu      1702:     }
1.45.2.51  knu      1703:     elsif ($mimetype =~ m%^application/pdf%) {
1.45.2.61  knu      1704:        printf '<EMBED SRC="%s" WIDTH="100%"><BR>', hrefquote("$url$barequery");
1.45.2.51  knu      1705:     }
1.45.2.63  knu      1706:     elsif ($preformat_in_markup) {
1.45.2.46  knu      1707:        print "<PRE>";
1.45.2.51  knu      1708:
                   1709:        # prefetch several lines
                   1710:        my @buf = head($filehandle);
                   1711:
                   1712:        my %d = scan_directives(@buf);
                   1713:
                   1714:        while (@buf || !eof($filehandle)) {
                   1715:            $_ = @buf ? shift @buf : <$filehandle>;
                   1716:
                   1717:            print spacedHtmlText($_, $d{'tabstop'});
1.12      fenner   1718:        }
1.45.2.46  knu      1719:        print "</PRE>";
                   1720:     }
1.45.2.63  knu      1721:     else {
                   1722:        print "<PLAINTEXT>\n", <$filehandle>;
                   1723:     }
1.12      fenner   1724: }
                   1725:
1.45.2.46  knu      1726: sub viewable($) {
                   1727:     my ($mimetype) = @_;
                   1728:
1.45.2.51  knu      1729:     $mimetype =~ m%^((text|image)/|application/pdf)% ;
1.45.2.46  knu      1730: }
                   1731:
                   1732: ###############################
                   1733: # Show Colored Diff
                   1734: ###############################
1.45.2.47  knu      1735: sub doDiff($$$$$$) {
1.45.2.46  knu      1736:        my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_;
                   1737:         my $fh = do {local(*FH);};
1.45.2.56  knu      1738:        my ($rev1, $rev2, $sym1, $sym2, $f1, $f2);
1.12      fenner   1739:
                   1740:        if ($r1 =~ /([^:]+)(:(.+))?/) {
                   1741:            $rev1 = $1;
                   1742:            $sym1 = $3;
                   1743:        }
1.45.2.46  knu      1744:        if ($r1 eq 'text') {
1.12      fenner   1745:            $rev1 = $tr1;
1.45.2.46  knu      1746:            $sym1 = "";
1.12      fenner   1747:        }
                   1748:        if ($r2 =~ /([^:]+)(:(.+))?/) {
                   1749:            $rev2 = $1;
                   1750:            $sym2 = $3;
                   1751:        }
1.45.2.46  knu      1752:        if ($r2 eq 'text') {
1.12      fenner   1753:            $rev2 = $tr2;
1.45.2.46  knu      1754:            $sym2 = "";
1.12      fenner   1755:        }
1.45.2.48  knu      1756:
1.45.2.46  knu      1757:        # make sure the revisions a wellformed, for security
                   1758:        # reasons ..
1.45.2.48  knu      1759:        if ($rev1 =~ /[^\w.]/ || $rev2 =~ /[^\w.]/) {
1.12      fenner   1760:            &fatal("404 Not Found",
1.45.2.46  knu      1761:                    "Malformed query \"$ENV{QUERY_STRING}\"");
1.12      fenner   1762:        }
                   1763: #
                   1764: # rev1 and rev2 are now both numeric revisions.
                   1765: # Thus we do a DWIM here and swap them if rev1 is after rev2.
                   1766: # XXX should we warn about the fact that we do this?
                   1767:        if (&revcmp($rev1,$rev2) > 0) {
1.45.2.46  knu      1768:            my ($tmp1, $tmp2) = ($rev1, $sym1);
1.12      fenner   1769:            ($rev1, $sym1) = ($rev2, $sym2);
                   1770:            ($rev2, $sym2) = ($tmp1, $tmp2);
                   1771:        }
1.45.2.56  knu      1772:        my $difftype = $DIFFTYPES{$f};
                   1773:
                   1774:        if (!$difftype) {
1.45.2.46  knu      1775:            fatal ("400 Bad arguments", "Diff format $f not understood");
                   1776:        }
                   1777:
1.45.2.56  knu      1778:        my @difftype       = @{$difftype->{'opts'}};
                   1779:        my $human_readable = $difftype->{'colored'};
                   1780:
1.45.2.46  knu      1781:        # apply special options
                   1782:        if ($showfunc) {
1.45.2.56  knu      1783:            push @difftype, '-p' if $f ne 's';
1.45.2.46  knu      1784:
                   1785:            my($re1, $re2);
                   1786:
                   1787:            while (($re1, $re2) = each %funcline_regexp) {
                   1788:                if ($fullname =~ /$re1/) {
                   1789:                    push @difftype, '-F', '$re2';
                   1790:                    last;
                   1791:                }
                   1792:            }
                   1793:        }
                   1794:        if ($human_readable) {
                   1795:            if ($hr_ignwhite) {
                   1796:                push @difftype, '-w';
                   1797:            }
                   1798:            if ($hr_ignkeysubst) {
                   1799:                push @difftype, '-kk';
                   1800:            }
                   1801:        }
                   1802:        if (! open($fh, "-|")) { # child
1.44      knu      1803:            open(STDERR, ">&STDOUT"); # Redirect stderr to stdout
1.45.2.67  knu      1804:            exec($CMD{rcsdiff}, @difftype, "-r$rev1", "-r$rev2", $fullname);
1.45.2.46  knu      1805:        }
                   1806:        if ($human_readable) {
                   1807:            http_header();
                   1808:            &human_readable_diff($fh, $rev2);
1.45.2.52  knu      1809:            gzipclose();
1.45.2.46  knu      1810:            exit;
                   1811:        }
                   1812:        else {
                   1813:            http_header("text/plain");
1.44      knu      1814:        }
1.12      fenner   1815: #
                   1816: #===================================================================
                   1817: #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v
                   1818: #retrieving revision 1.16
                   1819: #retrieving revision 1.17
                   1820: #diff -c -r1.16 -r1.17
                   1821: #*** /home/ncvs/src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1822: #--- /home/ncvs/src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17
                   1823: #
                   1824: # Ideas:
                   1825: # - nuke the stderr output if it's what we expect it to be
                   1826: # - Add "no differences found" if the diff command supplied no output.
                   1827: #
                   1828: #*** src/sys/netinet/tcp_output.c     1995/11/03 22:08:08     1.16
                   1829: #--- src/sys/netinet/tcp_output.c     1995/12/05 17:46:35     1.17 RELENG_2_1_0
                   1830: # (bogus example, but...)
                   1831: #
1.45.2.46  knu      1832:        if (grep { $_ eq '-u'} @difftype) {
1.12      fenner   1833:            $f1 = '---';
                   1834:            $f2 = '\+\+\+';
1.45.2.46  knu      1835:        }
                   1836:        else {
1.12      fenner   1837:            $f1 = '\*\*\*';
                   1838:            $f2 = '---';
                   1839:        }
1.45.2.46  knu      1840:        while (<$fh>) {
1.12      fenner   1841:            if (m|^$f1 $cvsroot|o) {
                   1842:                s|$cvsroot/||o;
                   1843:                if ($sym1) {
                   1844:                    chop;
1.45.2.56  knu      1845:                    $_ .= " $sym1\n";
1.12      fenner   1846:                }
1.45.2.46  knu      1847:            }
                   1848:            elsif (m|^$f2 $cvsroot|o) {
1.12      fenner   1849:                s|$cvsroot/||o;
                   1850:                if ($sym2) {
                   1851:                    chop;
1.45.2.56  knu      1852:                    $_ .= " $sym2\n";
1.12      fenner   1853:                }
                   1854:            }
                   1855:            print $_;
                   1856:        }
1.45.2.46  knu      1857:        close($fh);
1.12      fenner   1858: }
                   1859:
1.45.2.46  knu      1860: ###############################
                   1861: # Show Logs ..
                   1862: ###############################
1.45.2.47  knu      1863: sub getDirLogs($$@) {
1.45.2.46  knu      1864:     my ($cvsroot,$dirname,@otherFiles) = @_;
                   1865:     my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log);
                   1866:     my ($rev, $revision, $revwanted, $filename, $head, $author);
                   1867:
                   1868:     $tag = $input{only_with_tag};
                   1869:
                   1870:     my ($DirName) = "$cvsroot/$where";
                   1871:     my (@files, @filetags);
                   1872:     my $fh = do {local(*FH);};
                   1873:
                   1874:     push(@files, &safeglob("$DirName/*,v"));
                   1875:     push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'});
                   1876:     foreach $file (@otherFiles) {
                   1877:        push(@files, "$DirName/$file");
                   1878:     }
                   1879:
                   1880:     # just execute rlog if there are any files
1.45.2.47  knu      1881:     if ($#files < 0) {
1.45.2.46  knu      1882:        return;
                   1883:     }
                   1884:
1.45.2.63  knu      1885:     if (defined($tag)) {
1.45.2.46  knu      1886:        #can't use -r<tag> as - is allowed in tagnames, but misinterpreated by rlog..
                   1887:        if (! open($fh, "-|")) {
1.45.2.67  knu      1888:            open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1889:            exec($CMD{rlog}, @files);
1.45.2.46  knu      1890:        }
                   1891:     }
                   1892:     else {
1.45.2.67  knu      1893:        if (! open($fh, "-|")) {
                   1894:            open(STDERR, '>/dev/null'); # rlog may complain; ignore.
                   1895:            exec($CMD{rlog}, '-r', @files);
1.45.2.46  knu      1896:        }
                   1897:     }
                   1898:     $state = "start";
                   1899:     while (<$fh>) {
                   1900:        if ($state eq "start") {
                   1901:            #Next file. Initialize file variables
1.45.2.63  knu      1902:            $rev = '';
                   1903:            $revwanted = '';
                   1904:            $branch = '';
                   1905:            $branchpoint = '';
                   1906:            $filename = '';
                   1907:            $log = '';
                   1908:            $revision = '';
1.45.2.46  knu      1909:            %symrev = ();
                   1910:            @filetags = ();
                   1911:            #jump to head state
                   1912:            $state = "head";
                   1913:        }
                   1914:        print "$state:$_" if ($verbose);
                   1915: again:
                   1916:        if ($state eq "head") {
                   1917:            #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet)
1.45.2.58  knu      1918:
                   1919:            if (/^Working file: (.+)$/) {
                   1920:                $filename = $1;
                   1921:            } elsif (/^head: (.+)$/) {
                   1922:                $head = $1;
                   1923:            } elsif (/^branch: (.+)$/) {
                   1924:                $branch = $1
                   1925:            } elsif (/^symbolic names:/) {
                   1926:                $state = "tags";
1.45.2.63  knu      1927:                ($branch = $head) =~ s/\.\d+$// if $branch eq '';
1.45.2.59  knu      1928:                $branch =~ s/(\d+)$/0.$1/;
1.45.2.58  knu      1929:                $symrev{MAIN} = $branch;
                   1930:                $symrev{HEAD} = $branch;
                   1931:                $alltags{MAIN} = 1;
                   1932:                $alltags{HEAD} = 1;
                   1933:                push (@filetags, "MAIN", "HEAD");
                   1934:            } elsif (/$LOG_REVSEPARATOR/o) {
                   1935:                $state = "log";
1.45.2.63  knu      1936:                $rev = '';
                   1937:                $date = '';
                   1938:                $log = '';
1.45.2.58  knu      1939:                # Try to reconstruct the relative filename if RCS spits out a full path
                   1940:                $filename =~ s%^\Q$DirName\E/%%;
                   1941:            }
1.45.2.46  knu      1942:            next;
                   1943:        }
1.45.2.58  knu      1944:        if ($state eq "tags") {
                   1945:            if (/^\s+(.+):\s+([\d\.]+)\s+$/) {
                   1946:                push (@filetags, $1);
                   1947:                $symrev{$1} = $2;
                   1948:                $alltags{$1} = 1;
1.45.2.46  knu      1949:                next;
1.45.2.58  knu      1950:            } elsif (/^\S/) {
                   1951:                if (defined($tag)) {
                   1952:                    if(defined($symrev{$tag}) || $tag eq "HEAD") {
                   1953:                        $revwanted = $symrev{$tag eq "HEAD" ? "MAIN" : $tag};
1.45.2.59  knu      1954:                        ($branch = $revwanted) =~ s/\b0\.//;
1.45.2.58  knu      1955:                        ($branchpoint = $branch) =~ s/\.?\d+$//;
1.45.2.63  knu      1956:                        $revwanted = '' if ($revwanted ne $branch);
1.45.2.58  knu      1957:                    } elsif ($tag ne "HEAD") {
                   1958:                        print "Tag not found, skip this file" if ($verbose);
                   1959:                        $state = "skip";
                   1960:                        next;
                   1961:                    }
                   1962:                }
                   1963:                foreach my $tagfound (@filetags) {
                   1964:                    $tags{$tagfound} = 1;
                   1965:                }
                   1966:                $state = "head";
                   1967:                goto again;
1.45.2.46  knu      1968:            }
                   1969:        }
                   1970:        if ($state eq "log") {
1.45.2.55  knu      1971:            if (/$LOG_REVSEPARATOR/o || /$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      1972:                # End of a log entry.
1.45.2.63  knu      1973:                my $revbranch = $rev;
                   1974:                $revbranch =~ s/\.\d+$//;
1.45.2.56  knu      1975:                print "$filename $rev Wanted: $revwanted ",
                   1976:                  "Revbranch: $revbranch Branch: $branch ",
                   1977:                    "Branchpoint: $branchpoint\n" if ($verbose);
1.45.2.63  knu      1978:                if ($revwanted eq '' && $branch ne ''
1.45.2.46  knu      1979:                    && $branch eq $revbranch || !defined($tag)) {
                   1980:                    print "File revision $rev found for branch $branch\n"
                   1981:                        if ($verbose);
                   1982:                    $revwanted = $rev;
                   1983:                }
1.45.2.63  knu      1984:                if ($revwanted ne '' ? $rev eq $revwanted :
                   1985:                    $branchpoint ne '' ? $rev eq $branchpoint :
1.45.2.46  knu      1986:                    0 && ($rev eq $head)) { # Don't think head is needed here..
                   1987:                    print "File info $rev found for $filename\n" if ($verbose);
                   1988:                    my @finfo = ($rev,$date,$log,$author,$filename);
                   1989:                    my ($name);
                   1990:                    ($name = $filename) =~ s%/.*%%;
                   1991:                    $fileinfo{$name} = [ @finfo ];
                   1992:                    $state = "done" if ($rev eq $revwanted);
                   1993:                }
1.45.2.63  knu      1994:                $rev = '';
                   1995:                $date = '';
                   1996:                $log = '';
1.45.2.46  knu      1997:            }
1.45.2.63  knu      1998:            elsif ($date eq '' && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) {
1.45.2.46  knu      1999:                my $yr = $1;
                   2000:                # damn 2-digit year routines :-)
                   2001:                if ($yr > 100) {
                   2002:                    $yr -= 1900;
                   2003:                }
                   2004:                $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
                   2005:                ($author) = /author: ([^;]+)/;
                   2006:                $state = "log";
                   2007:                $log = '';
                   2008:                next;
                   2009:            }
1.45.2.63  knu      2010:            elsif ($rev eq '' && /^revision (.*)$/) {
1.45.2.46  knu      2011:                $rev = $1;
                   2012:                next;
                   2013:            }
                   2014:            else {
1.45.2.56  knu      2015:                $log .= $_;
1.45.2.46  knu      2016:            }
                   2017:        }
1.45.2.55  knu      2018:        if (/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      2019:            $state = "start";
                   2020:            next;
                   2021:        }
                   2022:     }
                   2023:     if ($. == 0) {
1.45.2.47  knu      2024:        fatal("500 Internal Error",
1.45.2.67  knu      2025:              "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 '$command_path'");
1.45.2.46  knu      2026:     }
                   2027:     close($fh);
                   2028: }
                   2029:
1.45.2.47  knu      2030: sub readLog($;$) {
1.45.2.46  knu      2031:        my($fullname,$revision) = @_;
                   2032:        my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev);
                   2033:        my $fh = do {local(*FH);};
                   2034:
                   2035:        if (defined($revision)) {
                   2036:            $revision = "-r$revision";
                   2037:        }
                   2038:        else {
                   2039:            $revision = "";
                   2040:        }
                   2041:
                   2042:        undef %symrev;
                   2043:        undef %revsym;
                   2044:        undef @allrevisions;
                   2045:        undef %date;
                   2046:        undef %author;
                   2047:        undef %state;
                   2048:        undef %difflines;
                   2049:        undef %log;
1.12      fenner   2050:
                   2051:        print("Going to rlog '$fullname'\n") if ($verbose);
1.45.2.46  knu      2052:        if (! open($fh, "-|")) { # child
1.45.2.67  knu      2053:            if ($revision ne '') {
                   2054:                exec($CMD{rlog}, $revision, $fullname);
                   2055:            }
                   2056:            else {
                   2057:                exec($CMD{rlog}, $fullname);
                   2058:            }
1.44      knu      2059:        }
1.45.2.46  knu      2060:        while (<$fh>) {
1.1       jfieber  2061:            print if ($verbose);
                   2062:            if ($symnames) {
                   2063:                if (/^\s+([^:]+):\s+([\d\.]+)/) {
                   2064:                    $symrev{$1} = $2;
1.45.2.46  knu      2065:                }
                   2066:                else {
1.1       jfieber  2067:                    $symnames = 0;
                   2068:                }
1.45.2.46  knu      2069:            }
                   2070:            elsif (/^head:\s+([\d\.]+)/) {
                   2071:                $head = $1;
                   2072:            }
                   2073:            elsif (/^branch:\s+([\d\.]+)/) {
                   2074:                $curbranch = $1;
                   2075:            }
                   2076:            elsif (/^symbolic names/) {
1.1       jfieber  2077:                $symnames = 1;
1.45.2.46  knu      2078:            }
                   2079:            elsif (/^-----/) {
1.1       jfieber  2080:                last;
                   2081:            }
                   2082:        }
1.45.2.46  knu      2083:        ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch));
1.7       fenner   2084:
1.1       jfieber  2085: # each log entry is of the form:
                   2086: # ----------------------------
                   2087: # revision 3.7.1.1
                   2088: # date: 1995/11/29 22:15:52;  author: fenner;  state: Exp;  lines: +5 -3
                   2089: # log info
                   2090: # ----------------------------
                   2091:        logentry:
1.45.2.55  knu      2092:        while (!/$LOG_FILESEPARATOR/o) {
1.45.2.46  knu      2093:            $_ = <$fh>;
1.12      fenner   2094:            last logentry if (!defined($_));    # EOF
1.1       jfieber  2095:            print "R:", $_ if ($verbose);
                   2096:            if (/^revision ([\d\.]+)/) {
                   2097:                $rev = $1;
1.45.2.46  knu      2098:                unshift(@allrevisions,$rev);
                   2099:            }
1.45.2.55  knu      2100:            elsif (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o) {
1.1       jfieber  2101:                next logentry;
1.45.2.46  knu      2102:            }
                   2103:            else {
1.12      fenner   2104:                # The rlog output is syntactically ambiguous.  We must
                   2105:                # have guessed wrong about where the end of the last log
                   2106:                # message was.
                   2107:                # Since this is likely to happen when people put rlog output
                   2108:                # in their commit messages, don't even bother keeping
                   2109:                # these lines since we don't know what revision they go with
                   2110:                # any more.
                   2111:                next logentry;
                   2112: #              &fatal("500 Internal Error","Error parsing RCS output: $_");
1.1       jfieber  2113:            }
1.45.2.46  knu      2114:            $_ = <$fh>;
1.1       jfieber  2115:            print "D:", $_ if ($verbose);
1.45.2.46  knu      2116:            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+-]+))?|) {
                   2117:                my $yr = $1;
                   2118:                 # damn 2-digit year routines :-)
                   2119:                 if ($yr > 100) {
                   2120:                     $yr -= 1900;
                   2121:                 }
                   2122:                $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr);
1.1       jfieber  2123:                $author{$rev} = $7;
1.9       fenner   2124:                $state{$rev} = $8;
1.45.2.46  knu      2125:                $difflines{$rev} = $10;
                   2126:            }
                   2127:            else {
1.1       jfieber  2128:                &fatal("500 Internal Error", "Error parsing RCS output: $_");
                   2129:            }
                   2130:            line:
1.45.2.46  knu      2131:            while (<$fh>) {
1.1       jfieber  2132:                print "L:", $_ if ($verbose);
                   2133:                next line if (/^branches:\s/);
1.45.2.55  knu      2134:                last line if (/$LOG_FILESEPARATOR/o || /$LOG_REVSEPARATOR/o);
1.1       jfieber  2135:                $log{$rev} .= $_;
                   2136:            }
                   2137:            print "E:", $_ if ($verbose);
                   2138:        }
1.45.2.46  knu      2139:        close($fh);
1.1       jfieber  2140:        print "Done reading RCS file\n" if ($verbose);
1.45.2.46  knu      2141:
                   2142:        @revorder = reverse sort {revcmp($a,$b)} @allrevisions;
                   2143:        print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose);
                   2144:
1.1       jfieber  2145: #
                   2146: # HEAD is an artificial tag which is simply the highest tag number on the main
1.8       fenner   2147: # branch, unless there is a branch tag in the RCS file in which case it's the
                   2148: # highest revision on that branch.  Find it by looking through @revorder; it
                   2149: # is the first commit listed on the appropriate branch.
1.45.2.46  knu      2150: # This is not neccesary the same revision as marked as head in the RCS file.
                   2151:        my $headrev = $curbranch || "1";
1.45.2.59  knu      2152:        ($symrev{"MAIN"} = $headrev) =~ s/(\d+)$/0.$1/;
1.45.2.46  knu      2153:        foreach $rev (@revorder) {
                   2154:            if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) {
                   2155:                $symrev{"HEAD"} = $rev;
1.45.2.58  knu      2156:                last;
1.1       jfieber  2157:            }
                   2158:        }
1.45.2.46  knu      2159:        ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$//
                   2160:             if (!defined($symrev{"HEAD"}));
1.1       jfieber  2161:        print "Done finding HEAD\n" if ($verbose);
                   2162: #
                   2163: # Now that we know all of the revision numbers, we can associate
                   2164: # absolute revision numbers with all of the symbolic names, and
                   2165: # pass them to the form so that the same association doesn't have
                   2166: # to be built then.
                   2167: #
1.45.2.46  knu      2168:        undef @branchnames;
                   2169:        undef %branchpoint;
                   2170:        undef $sel;
                   2171:
                   2172:        foreach (reverse sort keys %symrev) {
1.1       jfieber  2173:            $rev = $symrev{$_};
1.45.2.59  knu      2174:            if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) {
1.7       fenner   2175:                push(@branchnames, $_);
1.1       jfieber  2176:                #
                   2177:                # A revision number of A.B.0.D really translates into
                   2178:                # "the highest current revision on branch A.B.D".
                   2179:                #
                   2180:                # If there is no branch A.B.D, then it translates into
                   2181:                # the head A.B .
                   2182:                #
1.45.2.46  knu      2183:                # This reasoning also applies to the main branch A.B,
                   2184:                # with the branch number 0.A, with the exception that
                   2185:                # it has no head to translate to if there is nothing on
                   2186:                # the branch, but I guess this can never happen?
1.45.2.57  knu      2187:                #
1.45.2.59  knu      2188:                # (the code below gracefully forgets about the branch
                   2189:                # if it should happen)
1.45.2.46  knu      2190:                #
                   2191:                $head = defined($2) ? $2 : "";
1.1       jfieber  2192:                $branch = $3;
1.45.2.46  knu      2193:                $branchrev = $head . ($head ne "" ? "." : "") . $branch;
                   2194:                my $regex;
1.45.2.58  knu      2195:                $regex = quotemeta $branchrev;
1.1       jfieber  2196:                $rev = $head;
                   2197:
1.45.2.46  knu      2198:                foreach my $r (@revorder) {
                   2199:                    if ($r =~ /^${regex}\b/) {
                   2200:                        $rev = $branchrev;
1.45.2.58  knu      2201:                        last;
1.1       jfieber  2202:                    }
                   2203:                }
1.45.2.46  knu      2204:                next if ($rev eq "");
                   2205:                if ($rev ne $head && $head ne "") {
1.8       fenner   2206:                    $branchpoint{$head} .= ", " if ($branchpoint{$head});
                   2207:                    $branchpoint{$head} .= $_;
                   2208:                }
1.1       jfieber  2209:            }
1.45.2.46  knu      2210:            $revsym{$rev} .= ", " if ($revsym{$rev});
                   2211:            $revsym{$rev} .= $_;
1.1       jfieber  2212:            $sel .= "<OPTION VALUE=\"${rev}:${_}\">$_\n";
                   2213:        }
                   2214:        print "Done associating revisions with branches\n" if ($verbose);
1.45.2.46  knu      2215:
                   2216:        my ($onlyonbranch, $onlybranchpoint);
                   2217:        if ($onlyonbranch = $input{'only_with_tag'}) {
                   2218:            $onlyonbranch = $symrev{$onlyonbranch};
1.45.2.59  knu      2219:            if ($onlyonbranch =~ s/\b0\.//) {
1.45.2.46  knu      2220:                ($onlybranchpoint = $onlyonbranch) =~ s/\.\d+$//;
                   2221:            }
                   2222:             else {
                   2223:                $onlybranchpoint = $onlyonbranch;
                   2224:            }
                   2225:            if (!defined($onlyonbranch) || $onlybranchpoint eq "") {
                   2226:                fatal("404 Tag not found","Tag $input{'only_with_tag'} not defined");
                   2227:            }
1.8       fenner   2228:        }
1.1       jfieber  2229:
1.45.2.46  knu      2230:        undef @revisions;
                   2231:
                   2232:        foreach (@allrevisions) {
1.7       fenner   2233:            ($br = $_) =~ s/\.\d+$//;
1.45.2.46  knu      2234:            ($brp = $br) =~ s/\.\d+$//;
1.7       fenner   2235:            next if ($onlyonbranch && $br ne $onlyonbranch &&
1.45.2.46  knu      2236:                                        $_ ne $onlybranchpoint);
                   2237:            unshift(@revisions,$_);
                   2238:        }
                   2239:
                   2240:        if ($logsort eq "date") {
                   2241:            # Sort the revisions in commit order an secondary sort on revision
                   2242:            # (secondary sort needed for imported sources, or the first main
                   2243:            # revision gets before the same revision on the 1.1.1 branch)
                   2244:            @revdisplayorder = sort {$date{$b} <=> $date{$a} || -revcmp($a, $b)} @revisions;
                   2245:        }
                   2246:         elsif ($logsort eq "rev") {
                   2247:            # Sort the revisions in revision order, highest first
                   2248:            @revdisplayorder = reverse sort {revcmp($a,$b)} @revisions;
                   2249:        }
                   2250:         else {
                   2251:            # No sorting. Present in the same order as rlog / cvs log
                   2252:            @revdisplayorder = @revisions;
                   2253:        }
                   2254:
                   2255: }
                   2256:
1.45.2.56  knu      2257: sub printDiffLinks($$) {
                   2258:     my($text, $url) = @_;
                   2259:     my @extra;
                   2260:
                   2261:     local $_;
                   2262:     for ($DIFFTYPES{$defaultDiffType}{'colored'} ? qw(u) : qw(h)) {
                   2263:        my $f = $_ eq $defaultDiffType ? '' : $_;
                   2264:
                   2265:        push @extra, &link(lc $DIFFTYPES{$_}{'descr'}, "$url&f=$f");
                   2266:     }
                   2267:
                   2268:     print &link($text, $url), ' (', join(', ', @extra), ')';
                   2269: }
                   2270:
1.45.2.46  knu      2271: sub printLog($;$) {
                   2272:        my ($link, $br, $brp);
                   2273:        ($_,$link) = @_;
                   2274:        ($br = $_) =~ s/\.\d+$//;
                   2275:        ($brp = $br) =~ s/\.?\d+$//;
                   2276:        my ($isDead, $prev);
                   2277:
                   2278:        $link = 1 if (!defined($link));
                   2279:        $isDead = ($state{$_} eq "dead");
                   2280:
                   2281:        if ($link && !$isDead) {
                   2282:            my ($filename);
                   2283:            ($filename = $where) =~ s/^.*\///;
                   2284:            my ($fileurl) = urlencode($filename);
1.4       fenner   2285:            print "<a NAME=\"rev$_\"></a>";
1.45.2.46  knu      2286:            if (defined($revsym{$_})) {
                   2287:                foreach my $sym (split(", ", $revsym{$_})) {
                   2288:                    print "<a NAME=\"$sym\"></a>";
                   2289:                }
1.4       fenner   2290:            }
1.45.2.46  knu      2291:            if (defined($revsym{$br}) && $revsym{$br} && !defined($nameprinted{$br})) {
                   2292:                foreach my $sym (split(", ", $revsym{$br})) {
1.4       fenner   2293:                    print "<a NAME=\"$sym\"></a>";
                   2294:                }
1.45.2.46  knu      2295:                $nameprinted{$br} = 1;
1.4       fenner   2296:            }
1.45.2.46  knu      2297:            print "\n Revision ";
                   2298:            &download_link($fileurl, $_, $_,
1.45.2.56  knu      2299:                           $defaultViewable ? "text/x-cvsweb-markup" : undef);
1.45.2.46  knu      2300:            if ($defaultViewable) {
1.45.2.56  knu      2301:                print " / (";
                   2302:                &download_link($fileurl, $_, "download", $mimetype);
                   2303:                print ")";
1.45.2.46  knu      2304:            }
                   2305:            if (not $defaultTextPlain) {
1.45.2.56  knu      2306:                print " / (";
                   2307:                &download_link($fileurl, $_, "as text", "text/plain");
                   2308:                print ")";
1.45.2.46  knu      2309:            }
                   2310:            if (!$defaultViewable) {
1.45.2.56  knu      2311:                print " / (";
                   2312:                &download_link($fileurl, $_, "view", "text/x-cvsweb-markup");
                   2313:                print ")";
1.45.2.46  knu      2314:            }
                   2315:            if ($allow_annotate) {
1.45.2.56  knu      2316:                print " - ";
                   2317:                print &link('annotate',
                   2318:                            sprintf('%s/%s?annotate=%s%s',
                   2319:                                    $scriptname,
                   2320:                                    urlencode($where),
                   2321:                                    $_,
                   2322:                                    $barequery));
1.45.2.46  knu      2323:            }
                   2324:            # Plus a select link if enabled, and this version isn't selected
                   2325:            if ($allow_version_select) {
                   2326:                if ((!defined($input{"r1"}) || $input{"r1"} ne $_)) {
1.45.2.56  knu      2327:                    print " - ";
                   2328:                    print &link('[select for diffs]',
                   2329:                                sprintf('%s?r1=%s%s',
                   2330:                                        $scriptwhere,
                   2331:                                        $_,
                   2332:                                        $barequery));
1.45.2.46  knu      2333:                }
                   2334:                else {
                   2335:                    print " - <b>[selected]</b>";
                   2336:                }
                   2337:            }
                   2338:        }
                   2339:        else {
                   2340:            print "Revision <B>$_</B>";
                   2341:        }
                   2342:        if (/^1\.1\.1\.\d+$/) {
                   2343:            print " <i>(vendor branch)</i>";
                   2344:        }
                   2345:        if (defined @mytz) {
                   2346:            my ($est) = $mytz[(localtime($date{$_}))[8]];
1.45.2.56  knu      2347:            print ", <i>", scalar localtime($date{$_}), " $est</i> (";
1.45.2.46  knu      2348:        } else {
1.45.2.56  knu      2349:            print ", <i>", scalar gmtime($date{$_}), " UTC</i> (";
1.45.2.46  knu      2350:        }
1.45.2.56  knu      2351:        print readableTime(time() - $date{$_},1), " ago)";
1.45.2.46  knu      2352:        print " by ";
1.45.2.56  knu      2353:        print "<i>", $author{$_}, "</i>\n";
1.45.2.46  knu      2354:        print "<BR>Branch: <b>",$link?link_tags($revsym{$br}):$revsym{$br},"</b>\n"
                   2355:            if ($revsym{$br});
                   2356:        print "<BR>CVS Tags: <b>",$link?link_tags($revsym{$_}):$revsym{$_},"</b>"
                   2357:            if ($revsym{$_});
                   2358:        print "<BR>Branch point for: <b>",$link?link_tags($branchpoint{$_}):$branchpoint{$_},"</b>\n"
                   2359:            if ($branchpoint{$_});
                   2360:        # Find the previous revision
                   2361:        my @prevrev = split(/\./, $_);
                   2362:        do {
                   2363:            if (--$prevrev[$#prevrev] <= 0) {
1.1       jfieber  2364:                # If it was X.Y.Z.1, just make it X.Y
1.45.2.46  knu      2365:                pop(@prevrev);
                   2366:                pop(@prevrev);
                   2367:            }
                   2368:            $prev = join(".", @prevrev);
                   2369:        } until (defined($date{$prev}) || $prev eq "");
                   2370:        if ($prev ne "") {
                   2371:            if ($difflines{$_}) {
                   2372:                print "<BR>Changes since <b>$prev: $difflines{$_} lines</b>";
                   2373:            }
                   2374:        }
                   2375:        if ($isDead) {
                   2376:            print "<BR><B><I>FILE REMOVED</I></B>\n";
                   2377:        }
                   2378:        elsif ($link) {
                   2379:            my %diffrev = ();
                   2380:            $diffrev{$_} = 1;
                   2381:            $diffrev{""} = 1;
                   2382:            print "<BR>Diff";
                   2383:            #
                   2384:            # Offer diff to previous revision
                   2385:            if ($prev) {
                   2386:                $diffrev{$prev} = 1;
1.45.2.56  knu      2387:
                   2388:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2389:                                  $scriptwhere,
                   2390:                                  $prev,
                   2391:                                  $_,
                   2392:                                  $barequery);
                   2393:
                   2394:                print " to previous ";
                   2395:                printDiffLinks($prev, $url);
1.1       jfieber  2396:            }
1.45.2.46  knu      2397:            #
                   2398:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2399:            # offer a diff with the branch point.
                   2400:            if ($revsym{$brp} && !/^1\.1\.1\.\d+$/ && !defined($diffrev{$brp})) {
1.45.2.56  knu      2401:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2402:                                  $scriptwhere,
                   2403:                                  $brp,
                   2404:                                  $_,
                   2405:                                  $barequery);
                   2406:
                   2407:                print " to branchpoint ";
                   2408:                printDiffLinks($brp, $url);
1.45.2.46  knu      2409:            }
                   2410:            #
                   2411:            # Plus, if it's on a branch, and it's not a vendor branch,
                   2412:            # offer to diff with the next revision of the higher branch.
                   2413:            # (e.g. change gets committed and then brought
                   2414:            # over to -stable)
                   2415:            if (/^\d+\.\d+\.\d+/ && !/^1\.1\.1\.\d+$/) {
                   2416:                my ($i,$nextmain);
                   2417:                for ($i = 0; $i < $#revorder && $revorder[$i] ne $_; $i++){}
1.45.2.63  knu      2418:                my @tmp2 = split(/\./, $_);
1.45.2.46  knu      2419:                for ($nextmain = ""; $i > 0; $i--) {
1.45.2.63  knu      2420:                    my $next = $revorder[$i-1];
                   2421:                    my @tmp1 = split(/\./, $next);
                   2422:                    if (@tmp1 < @tmp2) {
1.45.2.46  knu      2423:                        $nextmain = $next;
                   2424:                        last;
                   2425:                    }
                   2426:                    # Only the highest version on a branch should have
                   2427:                    # a diff for the "next main".
1.45.2.63  knu      2428:                    last if (@tmp1 - 1 <= @tmp2 &&
                   2429:                             join(".",@tmp1[0..$#tmp1-1]) eq join(".",@tmp2[0..$#tmp1-1]));
1.45.2.46  knu      2430:                }
                   2431:                if (!defined($diffrev{$nextmain})) {
                   2432:                    $diffrev{$nextmain} = 1;
1.45.2.56  knu      2433:
                   2434:                    my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2435:                                      $scriptwhere,
                   2436:                                      $nextmain,
                   2437:                                      $_,
                   2438:                                      $barequery);
                   2439:
                   2440:                    print " next main ";
                   2441:                    printDiffLinks($nextmain, $url);
1.1       jfieber  2442:                }
                   2443:            }
1.45.2.46  knu      2444:            # Plus if user has selected only r1, then present a link
                   2445:            # to make a diff to that revision
                   2446:            if (defined($input{"r1"}) && !defined($diffrev{$input{"r1"}})) {
                   2447:                $diffrev{$input{"r1"}} = 1;
                   2448:
1.45.2.56  knu      2449:                my $url = sprintf('%s.diff?r1=%s&r2=%s%s',
                   2450:                                  $scriptwhere,
                   2451:                                  $input{'r1'},
                   2452:                                  $_,
                   2453:                                  $barequery);
                   2454:
                   2455:                print " to selected ";
                   2456:                printDiffLinks($input{'r1'}, $url);
1.9       fenner   2457:            }
1.1       jfieber  2458:        }
1.45.2.46  knu      2459:        print "<PRE>\n";
                   2460:        print &htmlify($log{$_}, 1);
                   2461:        print "</PRE>\n";
                   2462: }
                   2463:
1.45.2.47  knu      2464: sub doLog($) {
1.45.2.46  knu      2465:        my($fullname) = @_;
                   2466:        my ($diffrev, $upwhere, $filename, $backurl);
1.45.2.47  knu      2467:
1.45.2.46  knu      2468:        readLog($fullname);
                   2469:
                   2470:         html_header("CVS log for $where");
                   2471:        ($upwhere = $where) =~ s|(Attic/)?[^/]+$||;
                   2472:         ($filename = $where) =~ s|^.*/||;
                   2473:         $backurl = $scriptname . "/" . urlencode($upwhere) . $query;
                   2474:        print &link($backicon, "$backurl#$filename"),
1.45.2.56  knu      2475:          " <b>Up to ", &clickablePath($upwhere, 1), "</b><p>\n";
                   2476:        print &link('Request diff between arbitrary revisions', '#diff');
                   2477:         print '<HR NOSHADE>';
                   2478:
1.45.2.46  knu      2479:        if ($curbranch) {
                   2480:            print "Default branch: ", ($revsym{$curbranch} || $curbranch);
                   2481:        }
                   2482:        else {
                   2483:            print "No default branch";
                   2484:        }
                   2485:        print "<BR>\n";
                   2486:        if ($input{only_with_tag}) {
                   2487:            print "Current tag: $input{only_with_tag}<BR>\n";
                   2488:        }
                   2489:
                   2490:        undef %nameprinted;
                   2491:
                   2492:        for (my $i = 0; $i <= $#revdisplayorder; $i++) {
                   2493:            print "<HR size=1 NOSHADE>";
                   2494:            printLog($revdisplayorder[$i]);
                   2495:        }
                   2496:
                   2497:         print "<HR NOSHADE>";
1.1       jfieber  2498:        print "<A NAME=diff>\n";
                   2499:        print "This form allows you to request diff's between any two\n";
                   2500:        print "revisions of a file.  You may select a symbolic revision\n";
                   2501:        print "name using the selection box or you may type in a numeric\n";
                   2502:        print "name using the type-in text box.\n";
                   2503:        print "</A><P>\n";
1.45.2.46  knu      2504:        print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}.diff\" NAME=\"diff_select\">\n";
                   2505:         foreach (@stickyvars) {
1.45.2.56  knu      2506:            printf('<INPUT TYPE=HIDDEN NAME="%s" VALUE="%s">',  $_, $input{$_})
1.45.2.46  knu      2507:                if (defined($input{$_})
1.45.2.51  knu      2508:                    && ((!defined($DEFAULTVALUE{$_})
                   2509:                         || $input{$_} ne $DEFAULTVALUE{$_})
                   2510:                        && $input{$_} ne ""));
1.45.2.46  knu      2511:        }
1.45.2.51  knu      2512:        print "<TABLE><TR>\n";
                   2513:        print "<TD align=right>Diffs between \n";
1.1       jfieber  2514:        print "<SELECT NAME=\"r1\">\n";
                   2515:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2516:        print $sel;
                   2517:        print "</SELECT>\n";
1.45.2.46  knu      2518:        $diffrev = $revdisplayorder[$#revdisplayorder];
                   2519:        $diffrev = $input{"r1"} if (defined($input{"r1"}));
1.45.2.51  knu      2520:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr1\" VALUE=\"$diffrev\" onChange='document.diff_select.r1.selectedIndex=0'></TD>";
                   2521:        print "<TD><BR></TD></TR>\n";
                   2522:        print "<TR><TD align=right>and \n";
1.1       jfieber  2523:        print "<SELECT NAME=\"r2\">\n";
                   2524:        print "<OPTION VALUE=\"text\" SELECTED>Use Text Field\n";
                   2525:        print $sel;
                   2526:        print "</SELECT>\n";
1.45.2.46  knu      2527:        $diffrev = $revdisplayorder[0];
                   2528:        $diffrev = $input{"r2"} if (defined($input{"r2"}));
1.45.2.51  knu      2529:        print "<INPUT TYPE=\"TEXT\" SIZE=\"$inputTextSize\" NAME=\"tr2\" VALUE=\"$diffrev\" onChange='document.diff_select.r2.selectedIndex=0'></TD>";
                   2530:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Get Diffs  \"></TD>\n";
1.1       jfieber  2531:        print "</FORM>\n";
1.45.2.51  knu      2532:        print "</TR></TABLE>\n";
1.7       fenner   2533:        print "<HR noshade>\n";
1.45.2.51  knu      2534:        print "<TABLE>";
                   2535:        print "<FORM METHOD=\"GET\" ACTION=\"$scriptwhere\">\n";
1.45.2.56  knu      2536:        print "<TR><TD align=right>Preferred Diff type:</TD>";
                   2537:        print "<TD>";
1.45.2.51  knu      2538:        printDiffSelect($use_java_script);
                   2539:        print "</TD><TD></TD></TR>\n";
1.45.2.46  knu      2540:         if (@branchnames) {
1.45.2.51  knu      2541:            print "<TR><TD align=right>View only Branch:</TD>";
                   2542:            print "<TD>";
1.45.2.46  knu      2543:            print "<A name=branch></A>\n";
                   2544:            print "<SELECT NAME=\"only_with_tag\"";
                   2545:            print " onchange=\"submit()\"" if ($use_java_script);
                   2546:            print ">\n";
                   2547:            print "<OPTION VALUE=\"\"";
                   2548:            print " SELECTED" if (defined($input{"only_with_tag"}) &&
                   2549:                $input{"only_with_tag"} eq "");
                   2550:            print ">Show all branches\n";
                   2551:            foreach (reverse sort @branchnames) {
1.9       fenner   2552:                print "<OPTION";
1.45.2.46  knu      2553:                print " SELECTED" if (defined($input{"only_with_tag"})
                   2554:                        && $input{"only_with_tag"} eq $_);
1.9       fenner   2555:                print ">${_}\n";
1.45.2.46  knu      2556:            }
1.45.2.51  knu      2557:            print "</SELECT></TD><TD></TD></TR>\n";
1.7       fenner   2558:        }
1.45.2.46  knu      2559:        foreach (@stickyvars) {
1.45.2.51  knu      2560:            next if ($_ eq "f");
1.45.2.46  knu      2561:            next if ($_ eq "only_with_tag");
                   2562:            next if ($_ eq "logsort");
                   2563:            print "<INPUT TYPE=HIDDEN NAME=\"$_\" VALUE=\"$input{$_}\">\n"
1.45.2.51  knu      2564:                if (defined($input{$_})
                   2565:                    && (!defined($DEFAULTVALUE{$_})
                   2566:                        || $input{$_} ne $DEFAULTVALUE{$_})
1.45.2.46  knu      2567:                    && $input{$_} ne "");
                   2568:        }
1.45.2.51  knu      2569:        print "<TR><TD align=right>";
                   2570:        print "<A name=logsort></A>\n";
                   2571:        print "Sort log by:</TD>";
1.45.2.56  knu      2572:        print "<TD>";
                   2573:        printLogSortSelect($use_java_script);
                   2574:        print "</TD>";
1.45.2.51  knu      2575:        print "<TD><INPUT TYPE=SUBMIT VALUE=\"  Set  \"></TD>";
1.7       fenner   2576:        print "</FORM>\n";
1.45.2.51  knu      2577:        print "</TR></TABLE>";
1.2       jfieber  2578:         print &html_footer;
1.1       jfieber  2579:        print "</BODY></HTML>\n";
1.10      wosch    2580: }
                   2581:
1.45.2.47  knu      2582: sub flush_diff_rows($$$$) {
1.45.2.46  knu      2583:     my $j;
                   2584:     my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_;
                   2585:     if ($state eq "PreChangeRemove") {          # we just got remove-lines before
                   2586:       for ($j = 0 ; $j < $leftRow; $j++) {
                   2587:           print  "<tr><td bgcolor=\"$diffcolorRemove\">@$leftColRef[$j]</td>";
                   2588:           print  "<td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>\n";
                   2589:       }
                   2590:     }
                   2591:     elsif ($state eq "PreChange") {             # state eq "PreChange"
                   2592:       # we got removes with subsequent adds
                   2593:       for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) {  # dump out both cols
                   2594:           print  "<tr>";
                   2595:           if ($j < $leftRow) {
                   2596:              print  "<td bgcolor=\"$diffcolorChange\">@$leftColRef[$j]</td>";
                   2597:          }
                   2598:           else {
                   2599:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2600:          }
                   2601:           if ($j < $rightRow) {
                   2602:              print  "<td bgcolor=\"$diffcolorChange\">@$rightColRef[$j]</td>";
                   2603:          }
                   2604:           else {
                   2605:              print  "<td bgcolor=\"$diffcolorDarkChange\">&nbsp;</td>";
                   2606:          }
                   2607:           print  "</tr>\n";
                   2608:       }
                   2609:     }
                   2610: }
                   2611:
                   2612: ##
                   2613: # Function to generate Human readable diff-files
                   2614: # human_readable_diff(String revision_to_return_to);
                   2615: ##
                   2616: sub human_readable_diff($){
1.45.2.51  knu      2617:   my ($difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd);
1.45.2.46  knu      2618:   my ($fh, $rev) = @_;
                   2619:   my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2);
                   2620:   my (@rightCol, @leftCol);
                   2621:
                   2622:   ($where_nd = $where) =~ s/.diff$//;
                   2623:   ($filename = $where_nd) =~ s/^.*\///;
                   2624:   ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//;
                   2625:   ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//;
                   2626:
1.45.2.47  knu      2627:   navigateHeader($scriptwhere_nd, $pathname, $filename, $rev, "diff");
1.45.2.46  knu      2628:
                   2629:   # Read header to pick up read revision and date, if possible
                   2630:   while (<$fh>) {
                   2631:       ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /);
                   2632:       ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /);
                   2633:       last if (/^\+\+\+ /);
                   2634:   }
                   2635:   if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) {
                   2636:     $rev1 = $r1r;
                   2637:     $date1 = $r1d;
                   2638:   }
                   2639:   if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) {
                   2640:     $rev2 = $r2r;
                   2641:     $date2 = $r2d;
                   2642:   }
1.45.2.47  knu      2643:
1.45.2.56  knu      2644:   print "<h3 align=center>Diff for /$where_nd between version $rev1 and $rev2</h3>\n",
                   2645:     "<table border=0 cellspacing=0 cellpadding=0 width=\"100%\">\n",
                   2646:       "<tr bgcolor=\"#ffffff\">\n",
                   2647:        "<th width=\"50%\" valign=TOP>",
                   2648:          "version $rev1";
1.45.2.46  knu      2649:   print ", $date1" if (defined($date1));
                   2650:   print "<br>Tag: $sym1\n" if ($sym1);
1.45.2.56  knu      2651:   print "</th>\n",
                   2652:     "<th width=\"50%\" valign=TOP>",
                   2653:       "version $rev2";
1.45.2.46  knu      2654:   print ", $date2" if (defined($date2));
                   2655:   print "<br>Tag: $sym2\n" if ($sym1);
                   2656:   print "</th>\n";
                   2657:
1.45.2.69! knu      2658:   my $fs = "<font face=\"$difffontface\" size=\"$difffontsize\"><tt>";
        !          2659:   my $fe = "</tt></font>";
1.45.2.46  knu      2660:
                   2661:   my $leftRow = 0;
                   2662:   my $rightRow = 0;
                   2663:   my ($oldline, $newline, $funname, $diffcode, $rest);
                   2664:
                   2665:   # Process diff text
                   2666:   # The diffrows are could make excellent use of
                   2667:   # cascading style sheets because we've to set the
                   2668:   # font and color for each row. anyone ...?
                   2669:   ####
1.45.2.51  knu      2670:
                   2671:   # prefetch several lines
                   2672:   my @buf = head($fh);
                   2673:
                   2674:   my %d = scan_directives(@buf);
                   2675:
                   2676:   while (@buf || !eof($fh)) {
                   2677:       $difftxt = @buf ? shift @buf : <$fh>;
1.45.2.47  knu      2678:
1.45.2.46  knu      2679:       if ($difftxt =~ /^@@/) {
                   2680:          ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/;
                   2681:           print  "<tr bgcolor=\"$diffcolorHeading\"><td width=\"50%\">";
                   2682:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $oldline</b>";
                   2683:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2684:           print  "</td><td width=\"50%\">";
                   2685:          print  "<table width=\"100%\" border=1 cellpadding=5><tr><td><b>Line $newline</b>";
                   2686:          print  "&nbsp;<font size=-1>$funname</font></td></tr></table>";
                   2687:          print  "</td>\n";
                   2688:          $state = "dump";
                   2689:          $leftRow = 0;
                   2690:          $rightRow = 0;
                   2691:       }
                   2692:       else {
                   2693:          ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/;
1.45.2.51  knu      2694:          $_ = spacedHtmlText($rest, $d{'tabstop'});
1.45.2.46  knu      2695:
                   2696:          # Add fontface, size
                   2697:          $_ = "$fs&nbsp;$_$fe";
1.45.2.47  knu      2698:
1.45.2.46  knu      2699:          #########
                   2700:          # little state machine to parse unified-diff output (Hen, zeller@think.de)
                   2701:          # in order to get some nice 'ediff'-mode output
                   2702:          # states:
                   2703:          #  "dump"             - just dump the value
                   2704:          #  "PreChangeRemove"  - we began with '-' .. so this could be the start of a 'change' area or just remove
                   2705:          #  "PreChange"        - okey, we got several '-' lines and moved to '+' lines -> this is a change block
                   2706:          ##########
                   2707:
                   2708:          if ($diffcode eq '+') {
                   2709:              if ($state eq "dump") {  # 'change' never begins with '+': just dump out value
                   2710:                  print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td bgcolor=\"$diffcolorAdd\">$_</td></tr>\n";
                   2711:              }
                   2712:              else {                   # we got minus before
                   2713:                  $state = "PreChange";
                   2714:                  $rightCol[$rightRow++] = $_;
                   2715:              }
1.45.2.47  knu      2716:          }
1.45.2.46  knu      2717:          elsif ($diffcode eq '-') {
                   2718:              $state = "PreChangeRemove";
                   2719:              $leftCol[$leftRow++] = $_;
                   2720:         }
                   2721:         else {  # empty diffcode
                   2722:             flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2723:              print  "<tr><td>$_</td><td>$_</td></tr>\n";
                   2724:              $state = "dump";
                   2725:              $leftRow = 0;
                   2726:              $rightRow = 0;
                   2727:          }
                   2728:       }
                   2729:   }
                   2730:   flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow;
                   2731:
                   2732:   # state is empty if we didn't have any change
                   2733:   if (!$state) {
                   2734:       print "<tr><td colspan=2>&nbsp;</td></tr>";
                   2735:       print "<tr bgcolor=\"$diffcolorEmpty\" >";
                   2736:       print "<td colspan=2 align=center><b>- No viewable Change -</b></td></tr>";
                   2737:   }
                   2738:   print  "</table>";
                   2739:   close($fh);
                   2740:
                   2741:   print "<br><hr noshade width=\"100%\">\n";
                   2742:
                   2743:   print "<table border=0>";
                   2744:
                   2745:   print "<tr><td>";
                   2746:   # print legend
                   2747:   print "<table border=1><tr><td>";
                   2748:   print  "Legend:<br><table border=0 cellspacing=0 cellpadding=1>\n";
                   2749:   print  "<tr><td align=center bgcolor=\"$diffcolorRemove\">Removed from v.$rev1</td><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td></tr>";
                   2750:   print  "<tr bgcolor=\"$diffcolorChange\"><td align=center colspan=2>changed lines</td></tr>";
                   2751:   print  "<tr><td bgcolor=\"$diffcolorEmpty\">&nbsp;</td><td align=center bgcolor=\"$diffcolorAdd\">Added in v.$rev2</td></tr>";
                   2752:   print  "</table></td></tr></table>\n";
                   2753:
                   2754:   print "<td>";
                   2755:   # Print format selector
                   2756:   print "<FORM METHOD=\"GET\" ACTION=\"${scriptwhere}\">\n";
                   2757:   foreach my $var (keys %input) {
                   2758:     next if ($var eq "f");
                   2759:     next if (defined($DEFAULTVALUE{$var})
                   2760:             && $DEFAULTVALUE{$var} eq $input{$var});
                   2761:     print "<INPUT TYPE=HIDDEN NAME=\"",urlencode($var),"\" VALUE=\"",
                   2762:            urlencode($input{$var}),"\">\n";
                   2763:   }
                   2764:   printDiffSelect($use_java_script);
                   2765:   print "<INPUT TYPE=SUBMIT VALUE=\"Show\">\n";
                   2766:   print "</FORM>\n";
                   2767:   print "</td>";
                   2768:
                   2769:   print "</tr></table>";
                   2770: }
                   2771:
1.45.2.47  knu      2772: sub navigateHeader($$$$$) {
1.45.2.46  knu      2773:     my ($swhere,$path,$filename,$rev,$title) = @_;
                   2774:     $swhere = "" if ($swhere eq $scriptwhere);
                   2775:     $swhere = urlencode($filename) if ($swhere eq "");
1.45.2.68  knu      2776:
                   2777:     print <<EOF;
                   2778: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
                   2779: <HTML>
                   2780: <HEAD>
                   2781: <META name="robots" content="nofollow">
                   2782: <!-- knu-cvsweb $cvsweb_revision -->
                   2783: <TITLE>$path$filename - $title - $rev</TITLE></HEAD>
                   2784: $body_tag_for_src
                   2785: <table width="100%" border=0 cellspacing=0 cellpadding=1 bgcolor="$navigationHeaderColor">
                   2786: <tr valign=bottom><td>
                   2787: EOF
                   2788:
1.45.2.56  knu      2789:     print &link($backicon, "$swhere$query#rev$rev");
1.45.2.46  knu      2790:     print "</a> <b>Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log";
                   2791:     print "</b> $fileicon</td>";
1.45.2.47  knu      2792:
1.45.2.46  knu      2793:     print "<td align=right>$diricon <b>Up to ", &clickablePath($path, 1), "</b></td>";
                   2794:     print "</tr></table>";
                   2795: }
                   2796:
1.45.2.47  knu      2797: sub plural_write($$) {
1.45.2.46  knu      2798:     my ($num,$text) = @_;
                   2799:     if ($num != 1) {
1.45.2.56  knu      2800:        $text .= "s";
1.45.2.46  knu      2801:     }
                   2802:     if ($num > 0) {
1.45.2.56  knu      2803:        return join(' ', $num, $text);
1.45.2.46  knu      2804:     }
                   2805:     else {
                   2806:        return "";
                   2807:     }
                   2808: }
                   2809:
                   2810: ##
                   2811: # print readable timestamp in terms of
                   2812: # '..time ago'
                   2813: # H. Zeller <zeller@think.de>
                   2814: ##
1.45.2.47  knu      2815: sub readableTime($$) {
1.45.2.46  knu      2816:     my ($i, $break, $retval);
                   2817:     my ($secs,$long) = @_;
                   2818:
                   2819:     # this function works correct for time >= 2 seconds
                   2820:     if ($secs < 2) {
                   2821:        return "very little time";
                   2822:     }
                   2823:
                   2824:     my %desc = (1 , 'second',
                   2825:                   60, 'minute',
                   2826:                   3600, 'hour',
                   2827:                   86400, 'day',
                   2828:                   604800, 'week',
                   2829:                   2628000, 'month',
                   2830:                   31536000, 'year');
                   2831:     my @breaks = sort {$a <=> $b} keys %desc;
                   2832:     $i = 0;
1.45.2.47  knu      2833:     while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) {
1.45.2.46  knu      2834:        $i++;
                   2835:     }
                   2836:     $i--;
                   2837:     $break = $breaks[$i];
                   2838:     $retval = plural_write(int ($secs / $break), $desc{$break});
                   2839:
                   2840:     if ($long == 1 && $i > 0) {
                   2841:        my $rest = $secs % $break;
                   2842:        $i--;
                   2843:        $break = $breaks[$i];
1.45.2.47  knu      2844:        my $resttime = plural_write(int ($rest / $break),
1.45.2.46  knu      2845:                                $desc{$break});
                   2846:        if ($resttime) {
1.45.2.56  knu      2847:            $retval .= ", $resttime";
1.45.2.46  knu      2848:        }
                   2849:     }
                   2850:
                   2851:     return $retval;
                   2852: }
                   2853:
                   2854: ##
                   2855: # clickablePath(String pathname, boolean last_item_clickable)
                   2856: #
                   2857: # returns a html-ified path whereas each directory is a link for
                   2858: # faster navigation. last_item_clickable controls whether the
                   2859: # basename (last directory/file) is a link as well
                   2860: ##
                   2861: sub clickablePath($$) {
1.45.2.47  knu      2862:     my ($pathname,$clickLast) = @_;
1.45.2.46  knu      2863:     my $retval = '';
1.45.2.47  knu      2864:
1.45.2.46  knu      2865:     if ($pathname eq '/') {
                   2866:        # this should never happen - chooseCVSRoot() is
                   2867:        # intended to do this
                   2868:        $retval = "[$cvstree]";
                   2869:     }
                   2870:     else {
1.45.2.56  knu      2871:        $retval .= ' ' . &link("[$cvstree]", sprintf('%s/%s#dirlist',
                   2872:                                                     $scriptname,
                   2873:                                                     $query));
1.45.2.46  knu      2874:        my $wherepath = '';
                   2875:        my ($lastslash) = $pathname =~ m|/$|;
                   2876:        foreach (split(/\//, $pathname)) {
1.45.2.56  knu      2877:            $retval .= " / ";
                   2878:            $wherepath .= "/$_";
1.45.2.46  knu      2879:            my ($last) = "$wherepath/" eq "/$pathname"
                   2880:                || $wherepath eq "/$pathname";
                   2881:            if ($clickLast || !$last) {
1.45.2.56  knu      2882:                $retval .= &link($_, join('',
                   2883:                                          $scriptname,
                   2884:                                          urlencode($wherepath),
                   2885:                                          (!$last || $lastslash ? '/' : ''),
                   2886:                                          $query,
                   2887:                                          (!$last || $lastslash ? "#dirlist" : "")));
1.45.2.46  knu      2888:            }
                   2889:            else { # do not make a link to the current dir
1.45.2.56  knu      2890:                $retval .= $_;
1.45.2.46  knu      2891:            }
                   2892:        }
                   2893:     }
                   2894:     return $retval;
                   2895: }
                   2896:
                   2897: sub chooseCVSRoot() {
1.45.2.65  knu      2898:     if (2 <= @CVSROOT) {
1.45.2.46  knu      2899:        my ($k);
                   2900:        print "<form method=\"GET\" action=\"${scriptwhere}\">\n";
                   2901:        foreach $k (keys %input) {
1.45.2.47  knu      2902:            print "<input type=hidden NAME=$k VALUE=$input{$k}>\n"
1.45.2.46  knu      2903:                if ($input{$k}) && ($k ne "cvsroot");
                   2904:        }
                   2905:        # Form-Elements look wierd in Netscape if the background
                   2906:        # isn't gray and the form elements are not placed
                   2907:        # within a table ...
                   2908:        print "<table><tr>";
                   2909:        print "<td>CVS Root:</td>";
                   2910:        print "<td>\n<select name=\"cvsroot\"";
                   2911:        print " onchange=\"submit()\"" if ($use_java_script);
                   2912:        print ">\n";
1.45.2.65  knu      2913:        foreach $k (@CVSROOT) {
1.45.2.46  knu      2914:            print "<option value=\"$k\"";
                   2915:            print " selected" if ($k eq $cvstree);
1.45.2.56  knu      2916:            print ">", ($CVSROOTdescr{$k} ? $CVSROOTdescr{$k} : $k), "</option>\n";
1.45.2.46  knu      2917:        }
                   2918:        print "</select>\n</td>";
1.45.2.65  knu      2919:        print "<td>";
1.45.2.46  knu      2920:     }
                   2921:     else {
                   2922:        # no choice ..
                   2923:        print "CVS Root: <b>[$cvstree]</b>";
                   2924:     }
1.45.2.65  knu      2925:
                   2926:     print " Module path or alias:\n";
                   2927:     print "<INPUT TYPE=TEXT NAME=\"path\" VALUE=\"\" SIZE=15>\n";
                   2928:     print "<input type=submit value=\"Go\">";
                   2929:
                   2930:     if (2 <= @CVSROOT) {
                   2931:        print "</td></tr></table></form>";
                   2932:     }
1.45.2.46  knu      2933: }
                   2934:
                   2935: sub chooseMirror() {
                   2936:     my ($mirror,$moremirrors);
                   2937:     $moremirrors = 0;
                   2938:     # This code comes from the original BSD-cvsweb
                   2939:     # and may not be useful for your site; If you don't
                   2940:     # set %MIRRORS this won't show up, anyway
                   2941:     #
1.45.2.47  knu      2942:     # Should perhaps exlude the current site somehow..
1.45.2.46  knu      2943:     if (keys %MIRRORS) {
                   2944:        print "\nThis cvsweb is mirrored in:\n";
                   2945:        foreach $mirror (keys %MIRRORS) {
                   2946:            print ", " if ($moremirrors);
1.45.2.56  knu      2947:            print &link(htmlquote($mirror),$MIRRORS{$mirror});
1.45.2.46  knu      2948:            $moremirrors = 1;
                   2949:        }
                   2950:        print "<p>\n";
                   2951:     }
                   2952: }
                   2953:
1.45.2.47  knu      2954: sub fileSortCmp() {
1.45.2.46  knu      2955:     my ($comp) = 0;
                   2956:     my ($c,$d,$af,$bf);
                   2957:
                   2958:     ($af = $a) =~ s/,v$//;
                   2959:     ($bf = $b) =~ s/,v$//;
                   2960:     my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}}
                   2961:         if (defined($fileinfo{$af}));
                   2962:     my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}}
                   2963:         if (defined($fileinfo{$bf}));
                   2964:
                   2965:     if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) {
                   2966:        # Two files
                   2967:        $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2);
                   2968:        $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2);
                   2969:        $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2);
                   2970:        $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2);
                   2971:     }
                   2972:     if ($comp == 0) {
                   2973:        # Directories first, then sorted on name if no other sort critera
                   2974:        # available.
                   2975:        my $ad = ((-d "$fullname/$a")?"D":"F");
                   2976:        my $bd = ((-d "$fullname/$b")?"D":"F");
                   2977:        ($c=$a) =~ s|.*/||;
                   2978:        ($d=$b) =~ s|.*/||;
                   2979:        $comp = ("$ad$c" cmp "$bd$d");
                   2980:     }
                   2981:     return $comp;
                   2982: }
                   2983:
                   2984: # make A url for downloading
1.45.2.47  knu      2985: sub download_url($$;$) {
1.45.2.46  knu      2986:     my ($url,$revision,$mimetype) = @_;
                   2987:
1.45.2.59  knu      2988:     $revision =~ s/\b0\.//;
1.45.2.46  knu      2989:
1.45.2.56  knu      2990:     if (defined($checkoutMagic)
1.45.2.46  knu      2991:        && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.45.2.56  knu      2992:        my $path = $where;
                   2993:        $path =~ s|/[^/]*$|/|;
1.45.2.46  knu      2994:        $url = "$scriptname/$checkoutMagic/${path}$url";
                   2995:     }
                   2996:     $url .= "?rev=$revision";
1.45.2.56  knu      2997:     $url .= '&content-type=' . urlencode($mimetype) if (defined($mimetype));
1.45.2.69! knu      2998:
        !          2999:     $url =~ s/:/sprintf("%%%02x", ord($&))/eg;
1.45.2.46  knu      3000:
1.45.2.56  knu      3001:     $url;
1.45.2.46  knu      3002: }
                   3003:
1.45.2.47  knu      3004: # Presents a link to download the
1.45.2.46  knu      3005: # selected revision
1.45.2.47  knu      3006: sub download_link($$$;$) {
1.45.2.56  knu      3007:     my ($url, $revision, $textlink, $mimetype) = @_;
                   3008:     my ($fullurl) = download_url($url, $revision, $mimetype);
                   3009:
1.45.2.61  knu      3010:     printf '<A HREF="%s"', hrefquote("$fullurl$barequery");
1.45.2.56  knu      3011:
1.45.2.46  knu      3012:     if ($open_extern_window && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) {
1.45.2.56  knu      3013:        print ' target="cvs_checkout"';
1.45.2.46  knu      3014:        # we should have
                   3015:        #   'if (document.cvswin==null) document.cvswin=window.open(...'
                   3016:        # in order to allow the user to resize the window; otherwise
                   3017:        # the user may resize the window, but on next checkout - zap -
                   3018:        # its original (configured s. cvsweb.conf) size is back again
                   3019:        # .. annoying (if $extern_window_(width|height) is defined)
                   3020:        # but this if (..) solution is far from perfect
                   3021:        # what we need to do as well is
                   3022:        # 1) save cvswin in an invisible frame that always exists
                   3023:        #    (document.cvswin will be void on next load)
                   3024:        # 2) on close of the cvs_checkout - window set the cvswin
                   3025:        #    variable to 'null' again - so that it will be
                   3026:        #    reopenend with the configured size
                   3027:        # anyone a JavaScript programmer ?
                   3028:        # .. so here without if (..):
                   3029:        # currently, the best way is to comment out the size parameters
                   3030:        # ($extern_window...) in cvsweb.conf.
                   3031:        if ($use_java_script) {
1.45.2.56  knu      3032:            my @attr = qw(resizeable scrollbars);
                   3033:
                   3034:            push @attr, qw(status toolbar)
                   3035:              if (defined($mimetype) && $mimetype eq "text/html");
                   3036:
                   3037:            push @attr, "width=$extern_window_width"
                   3038:              if (defined($extern_window_width));
                   3039:
                   3040:            push @attr, "height=$extern_window_height"
                   3041:              if (defined($extern_window_height));
                   3042:
                   3043:            printf q` onClick="window.open('%s','cvs_checkout','%s');"`,
1.45.2.61  knu      3044:              hrefquote($fullurl), join(',', @attr);
1.45.2.46  knu      3045:        }
                   3046:     }
                   3047:     print "><b>$textlink</b></A>";
                   3048: }
                   3049:
                   3050: # Returns a Query string with the
                   3051: # specified parameter toggled
                   3052: sub toggleQuery($$) {
                   3053:     my ($toggle,$value) = @_;
                   3054:     my ($newquery,$var);
                   3055:     my (%vars);
                   3056:     %vars = %input;
                   3057:     if (defined($value)) {
                   3058:        $vars{$toggle} = $value;
                   3059:     }
                   3060:     else {
                   3061:        $vars{$toggle} = $vars{$toggle} ? 0 : 1;
                   3062:     }
                   3063:     # Build a new query of non-default paramenters
                   3064:     $newquery = "";
                   3065:     foreach $var (@stickyvars) {
                   3066:        my ($value) = defined($vars{$var}) ? $vars{$var} : "";
                   3067:        my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : "";
                   3068:        if ($value ne $default) {
1.45.2.56  knu      3069:            $newquery .= "&" if ($newquery ne "");
1.45.2.46  knu      3070:            $newquery .= urlencode($var) . "=" . urlencode($value);
                   3071:        }
                   3072:     }
                   3073:     if ($newquery) {
                   3074:        return '?' . $newquery;
                   3075:     }
                   3076:     return "";
                   3077: }
                   3078:
1.45.2.47  knu      3079: sub urlencode($) {
1.45.2.56  knu      3080:     local($_) = @_;
                   3081:
                   3082:     s/[\000-+{-\377]/sprintf("%%%02x", ord($&))/ge;
                   3083:
1.45.2.61  knu      3084:     $_;
1.45.2.56  knu      3085: }
                   3086:
                   3087: sub htmlquote($) {
                   3088:     local($_) = @_;
                   3089:
                   3090:     # Special Characters; RFC 1866
                   3091:     s/&/&amp;/g;
                   3092:     s/\"/&quot;/g;
                   3093:     s/</&lt;/g;
                   3094:     s/>/&gt;/g;
                   3095:
                   3096:     $_;
                   3097: }
                   3098:
                   3099: sub htmlunquote($) {
                   3100:     local($_) = @_;
                   3101:
                   3102:     # Special Characters; RFC 1866
                   3103:     s/&quot;/\"/g;
                   3104:     s/&lt;/</g;
                   3105:     s/&gt;/>/g;
                   3106:     s/&amp;/&/g;
                   3107:
                   3108:     $_;
1.45.2.46  knu      3109: }
                   3110:
1.45.2.61  knu      3111: sub hrefquote($) {
                   3112:     local($_) = @_;
                   3113:
                   3114:     y/ /+/;
                   3115:
                   3116:     htmlquote($_)
                   3117: }
                   3118:
1.45.2.47  knu      3119: sub http_header(;$) {
1.45.2.46  knu      3120:     my $content_type = shift || "text/html";
1.45.2.63  knu      3121:
                   3122:     $content_type .= "; charset=$charset"
                   3123:       if $content_type =~ m,^text/, && defined($charset) && $charset;
                   3124:
1.45.2.46  knu      3125:     if (defined($moddate)) {
                   3126:        if ($is_mod_perl) {
1.45.2.51  knu      3127:            Apache->request->header_out("Last-Modified" => scalar gmtime($moddate) . " GMT");
1.45.2.46  knu      3128:        }
                   3129:        else {
1.45.2.56  knu      3130:            print "Last-Modified: ", scalar gmtime($moddate), " GMT\r\n";
1.45.2.46  knu      3131:        }
                   3132:     }
                   3133:     if ($is_mod_perl) {
                   3134:        Apache->request->content_type($content_type);
                   3135:     }
                   3136:     else {
                   3137:            print "Content-type: $content_type\r\n";
                   3138:     }
                   3139:     if ($allow_compress && $maycompress) {
1.45.2.67  knu      3140:        if ($has_zlib || (defined($CMD{gzip}) && open(GZIP, "| $CMD{gzip} -1 -c"))) {
1.45.2.46  knu      3141:            if ($is_mod_perl) {
                   3142:                    Apache->request->content_encoding("x-gzip");
                   3143:                    Apache->request->header_out(Vary => "Accept-Encoding");
                   3144:                    Apache->request->send_http_header;
                   3145:            }
                   3146:            else {
                   3147:                    print "Content-encoding: x-gzip\r\n";
                   3148:                    print "Vary: Accept-Encoding\r\n";  #RFC 2068, 14.43
                   3149:                    print "\r\n"; # Close headers
                   3150:            }
                   3151:            $| = 1; $| = 0; # Flush header output
1.45.2.51  knu      3152:            if ($has_zlib) {
                   3153:                tie *GZIP, __PACKAGE__, \*STDOUT;
                   3154:            }
                   3155:            select(GZIP);
                   3156:            $gzip_open = 1;
1.45.2.58  knu      3157: #          print "<!-- gzipped -->" if ($content_type =~ m|^text/html\b|);
1.45.2.46  knu      3158:        }
                   3159:        else {
                   3160:            if ($is_mod_perl) {
                   3161:                    Apache->request->send_http_header;
                   3162:            }
                   3163:            else {
                   3164:                    print "\r\n"; # Close headers
                   3165:            }
1.45.2.67  knu      3166:            print "<font size=-1>Unable to find gzip binary in the <b>\$command_path</b> ($command_path) to compress output</font><br>";
1.45.2.46  knu      3167:        }
                   3168:     }
                   3169:     else {
                   3170:            if ($is_mod_perl) {
                   3171:                    Apache->request->send_http_header;
                   3172:            }
                   3173:            else {
                   3174:                    print "\r\n"; # Close headers
                   3175:            }
                   3176:     }
                   3177: }
                   3178:
                   3179: sub html_header($) {
                   3180:     my ($title) = @_;
1.45.2.68  knu      3181:     http_header("text/html");
1.45.2.46  knu      3182:
                   3183:     (my $header = &cgi_style::html_header) =~ s/^.*\n\n//; # remove HTTP response header
                   3184:
                   3185:     print <<EOH;
                   3186: <!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN"
                   3187:  "http://www.w3.org/TR/REC-html40/loose.dtd">
                   3188: $header
1.45.2.68  knu      3189: <!-- knu-cvsweb $cvsweb_revision -->
1.45.2.46  knu      3190: EOH
                   3191: }
                   3192:
1.45.2.47  knu      3193: sub html_footer() {
1.45.2.46  knu      3194:     return &cgi_style::html_footer;
                   3195: }
                   3196:
1.45.2.47  knu      3197: sub link_tags($) {
1.45.2.46  knu      3198:     my ($tags) = @_;
                   3199:     my ($ret) = "";
                   3200:     my ($fileurl,$filename);
                   3201:
                   3202:     ($filename = $where) =~ s/^.*\///;
                   3203:     $fileurl = urlencode($filename);
                   3204:
                   3205:     foreach my $sym (split(", ", $tags)) {
                   3206:        $ret .= ",\n" if ($ret ne "");
1.45.2.56  knu      3207:        $ret .= &link($sym, $fileurl . toggleQuery('only_with_tag',$sym));
1.45.2.46  knu      3208:     }
1.45.2.56  knu      3209:     return "$ret\n";
1.45.2.46  knu      3210: }
                   3211:
                   3212: #
                   3213: # See if a module is listed in the config file's @HideModule list.
                   3214: #
1.45.2.47  knu      3215: sub forbidden_module($) {
1.45.2.46  knu      3216:     my($module) = @_;
1.45.2.47  knu      3217:
1.45.2.46  knu      3218:     for (my $i=0; $i < @HideModules; $i++) {
                   3219:        return 1 if $module eq $HideModules[$i];
                   3220:     }
                   3221:
                   3222:     return 0;
1.45.2.52  knu      3223: }
                   3224:
                   3225: # Close the GZIP handle remove the tie.
                   3226:
                   3227: sub gzipclose {
                   3228:        if ($gzip_open) {
                   3229:            select(STDOUT);
                   3230:            close(GZIP);
                   3231:            untie *GZIP;
                   3232:            $gzip_open = 0;
                   3233:        }
1.45.2.51  knu      3234: }
                   3235:
                   3236: # implement a gzipped file handle via the Compress:Zlib compression
                   3237: # library.
                   3238:
                   3239: sub MAGIC1() { 0x1f }
                   3240: sub MAGIC2() { 0x8b }
                   3241: sub OSCODE() { 3    }
                   3242:
                   3243: sub TIEHANDLE {
                   3244:        my ($class, $out) = @_;
                   3245:        my ($d) = Compress::Zlib::deflateInit(-Level => Compress::Zlib::Z_BEST_COMPRESSION(),
                   3246:                -WindowBits => -Compress::Zlib::MAX_WBITS()) or return undef;
                   3247:        my ($o) = {
                   3248:                handle => $out,
                   3249:                dh => $d,
                   3250:                crc => 0,
                   3251:                len => 0,
                   3252:        };
                   3253:        my ($header) = pack("c10", MAGIC1, MAGIC2, Compress::Zlib::Z_DEFLATED(), 0,0,0,0,0,0, OSCODE);
                   3254:        print {$o->{handle}} $header;
                   3255:        return bless($o, $class);
                   3256: }
                   3257:
                   3258: sub PRINT {
                   3259:        my ($o) = shift;
                   3260:        my ($buf) = join(defined $, ? $, : "",@_);
                   3261:        my ($len) = length($buf);
                   3262:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3263:        print {$o->{handle}} $compressed if defined($compressed);
                   3264:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3265:        $o->{len} += $len;
                   3266:        return $len;
                   3267: }
                   3268:
                   3269: sub PRINTF {
                   3270:        my ($o) = shift;
                   3271:        my ($fmt) = shift;
                   3272:        my ($buf) = sprintf($fmt, @_);
                   3273:        my ($len) = length($buf);
                   3274:        my ($compressed, $status) = $o->{dh}->deflate($buf);
                   3275:        print {$o->{handle}} $compressed if defined($compressed);
                   3276:        $o->{crc} = Compress::Zlib::crc32($buf, $o->{crc});
                   3277:        $o->{len} += $len;
                   3278:        return $len;
                   3279: }
                   3280:
                   3281: sub WRITE {
                   3282:        my ($o, $buf, $len, $off) = @_;
                   3283:        my ($compressed, $status) = $o->{dh}->deflate(substr($buf, 0, $len));
                   3284:        print {$o->{handle}} $compressed if defined($compressed);
                   3285:        $o->{crc} = Compress::Zlib::crc32(substr($buf, 0, $len), $o->{crc});
                   3286:        $o->{len} += $len;
                   3287:        return $len;
                   3288: }
                   3289:
                   3290: sub CLOSE {
                   3291:        my ($o) = @_;
                   3292:        return if !defined( $o->{dh});
                   3293:        my ($buf) = $o->{dh}->flush();
                   3294:        $buf .= pack("V V", $o->{crc}, $o->{len});
                   3295:        print {$o->{handle}} $buf;
                   3296:        undef $o->{dh};
                   3297: }
                   3298:
                   3299: sub DESTROY {
                   3300:        my ($o) = @_;
                   3301:        CLOSE($o);
1.1       jfieber  3302: }

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