#!/usr/bin/perl -ws # # cvsweb - a CGI interface to CVS trees. # # Written in their spare time by # Bill Fenner (original work) # extended by Henner Zeller , # Henrik Nordström # Ken Coar # # Adjustments for Proof General pages by David Aspinall # -- added hr, bighr, widehr, stylesheet. July 2000 # # Based on: # * Bill Fenners cvsweb.cgi revision 1.28 available from: # http://www.freebsd.org/cgi/cvsweb.cgi/www/en/cgi/cvsweb.cgi # # Copyright (c) 1996-1998 Bill Fenner # (c) 1998-1999 Henner Zeller # (c) 1999 Henrik Nordström # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # Original version tag # Id: cvsweb.cgi,v 1.79 1999/11/03 08:05:29 hzeller Exp # # Proof General version tag # $Id$ # # ### use strict; use vars qw ( $config $allow_version_select $verbose %CVSROOT %CVSROOTdescr %MIRRORS %DEFAULTVALUE %ICONS %MTYPES %alltags @tabcolors %fileinfo %tags @branchnames %nameprinted %symrev %revsym @allrevisions %date %author @revdisplayorder @revisions %state %difflines %log %branchpoint @revorder $prcgi $checkoutMagic $doCheckout $scriptname $scriptwhere $where $Browser $nofilelinks $maycompress @stickyvars %input $query $barequery $sortby $bydate $byrev $byauthor $bylog $byfile $hr_default $logsort $cvstree $cvsroot $mimetype $defaultTextPlain $defaultViewable $allow_compress $GZIPBIN $backicon $diricon $fileicon $fullname $newname $cvstreedefault $body_tag $logo $defaulttitle $footer $backcolor $long_intro $short_instruction $shortLogLen $show_author $dirtable $tablepadding $columnHeaderColorDefault $columnHeaderColorSorted $hr_breakable $hr_funout $hr_ignwhite $hr_ignkeysubst $diffcolorHeading $diffcolorEmpty $diffcolorRemove $diffcolorChange $diffcolorAdd $diffcolorDarkChange $difffontface $difffontsize $inputTextSize $mime_types $allow_annotate $allow_markup $use_java_script $open_extern_window $extern_window_width $extern_window_height $edit_option_form $checkout_magic $show_subdir_lastmod $show_log_in_markup $v $navigationHeaderColor $tableBorderColor $markupLogColor $tabstop $state $annTable $sel $curbranch $HideModules @HideModules $module $moddate $stylesheet $hr $widehr $bighr ); ##### Start of Configuration Area ######## # == EDIT this == # User configuration is stored in # $config = $ENV{'CVSWEB_CONFIG'} || '/etc/httpd/conf/cvsweb.conf'; $config = "/home/proofgen/www/cvsweb.conf"; # == Configuration defaults == # Defaults for configuration variables that shouldn't need # to be configured.. $allow_version_select = 1; ##### End of Configuration Area ######## ######## Configuration variables ######### # These are defined to allow checking with perl -cw %CVSROOT = %MIRRORS = %DEFAULTVALUE = %ICONS = %MTYPES = %tags = %alltags = @tabcolors = (); $cvstreedefault = $body_tag = $logo = $defaulttitle = $footer = $backcolor = $long_intro = $short_instruction = $shortLogLen = $show_author = $dirtable = $tablepadding = $columnHeaderColorDefault = $columnHeaderColorSorted = $hr_breakable = $hr_funout = $hr_ignwhite = $hr_ignkeysubst = $diffcolorHeading = $diffcolorEmpty = $diffcolorRemove = $diffcolorChange = $diffcolorAdd = $diffcolorDarkChange = $difffontface = $difffontsize = $inputTextSize = $mime_types = $allow_annotate = $allow_markup = $use_java_script = $open_extern_window = $extern_window_width = $extern_window_height = $edit_option_form = $checkout_magic = $show_subdir_lastmod = $show_log_in_markup = $v = $navigationHeaderColor = $tableBorderColor = $markupLogColor = $tabstop = $moddate = $stylesheet = undef; ##### End of configuration variables ##### use Time::Local; use IPC::Open2; $verbose = $v; $checkoutMagic = "~checkout~"; $where = defined($ENV{'PATH_INFO'}) ? $ENV{'PATH_INFO'} : ""; $doCheckout = ($where =~ /^\/$checkoutMagic/); $where =~ s|^/($checkoutMagic)?||; $where =~ s|/+$||; ($scriptname = $ENV{'SCRIPT_NAME'}) =~ s|^/?|/|; $scriptname =~ s|/+$||; if ($where) { $scriptwhere = $scriptname . '/' . urlencode($where); } else { $scriptwhere = $scriptname; } $scriptwhere =~ s|/+$||; # in lynx, it it very annoying to have two links # per file, so disable the link at the icon # in this case: $Browser = defined($ENV{'HTTP_USER_AGENT'}) ? $ENV{'HTTP_USER_AGENT'} : "unknown"; $nofilelinks = ($Browser =~ m'^Lynx/'); # newer browsers accept gzip content encoding # and state this in a header # (netscape did always but didn't state it) # It has been reported that these # braindamaged MS-Internet Exploders claim that they # accept gzip .. but don't in fact and # display garbage then :-/ # Turn off gzip if running under mod_perl. piping does # not work as expected inside the server. One can probably # achieve the same result using Apache::GZIPFilter. $maycompress =(( (defined($ENV{'HTTP_ACCEPT_ENCODING'}) ? $ENV{'HTTP_ACCEPT_ENCODING'} =~ m|gzip| : 0 ) || $Browser =~ m%^Mozilla/3%) && ($Browser !~ m/MSIE/) && !defined($ENV{'MOD_PERL'})); # put here the variables we need in order # to hold our state - they will be added (with # their current value) to any link/query string # you construct @stickyvars = ('cvsroot','hideattic','sortby','logsort','f','only_with_tag'); if (-f $config) { do "$config"; $HideModules = "§" . join("§", @HideModules) . "§"; } else { &fatal("500 Internal Error", 'Configuration not found. Set the variable $config ' . 'in cvsweb.cgi, or the environment variable ' . 'CVSWEB_CONFIG, to your cvsweb.conf ' . 'configuration file first.'); } undef %input; if ($query = $ENV{'QUERY_STRING'}) { foreach (split(/&/, $query)) { s/%(..)/sprintf("%c", hex($1))/ge; # unquote %-quoted if (/(\S+)=(.*)/) { $input{$1} = $2 if ($2 ne ""); } else { $input{$_}++; } } } # For backwards compability, set only_with_tag to only_on_branch if set. $input{only_with_tag} = $input{only_on_branch} if (defined($input{only_on_branch})); foreach (keys %DEFAULTVALUE) { # replace not given parameters with the default parameters if (!defined($input{$_}) || $input{$_} eq "") { # Empty Checkboxes in forms return -- nothing. So we define a helper # variable in these forms (copt) which indicates that we just set # parameters with a checkbox if (!defined($input{"copt"})) { # 'copt' isn't defined --> empty input is not the result # of empty input checkbox --> set default $input{$_} = $DEFAULTVALUE{$_} if (defined($DEFAULTVALUE{$_})); } else { # 'copt' is defined -> the result of empty input checkbox # -> set to zero (disable) if default is a boolean (0|1). $input{$_} = 0 if (defined($DEFAULTVALUE{$_}) && ($DEFAULTVALUE{$_} eq "0" || $DEFAULTVALUE{$_} eq "1")); } } } $barequery = ""; foreach (@stickyvars) { # construct a query string with the sticky non default parameters set if (defined($input{$_}) && $input{$_} ne "" && $input{$_} ne $DEFAULTVALUE{$_}) { if ($barequery) { $barequery = $barequery . "&"; } my $thisval = urlencode($_) . "=" . urlencode($input{$_}); $barequery .= $thisval; } } # is there any query ? if ($barequery) { $query = "?$barequery"; $barequery = "&" . $barequery; } else { $query = ""; } # get actual parameters $sortby = $input{"sortby"}; $bydate = 0; $byrev = 0; $byauthor = 0; $bylog = 0; $byfile = 0; if ($sortby eq "date") { $bydate = 1; } elsif ($sortby eq "rev") { $byrev = 1; } elsif ($sortby eq "author") { $byauthor = 1; } elsif ($sortby eq "log") { $bylog = 1; } else { $byfile = 1; } $hr_default = $input{'f'} eq 'h'; $logsort = $input{"logsort"}; ## Default CVS-Tree if (!defined($CVSROOT{$cvstreedefault})) { &fatal("500 Internal Error", "\$cvstreedefault points to a repository " . "not defined in %CVSROOT " . "(edit your configuration file $config)"); } $cvstree = $cvstreedefault; $cvsroot = $CVSROOT{"$cvstree"}; # alternate CVS-Tree, configured in cvsweb.conf if ($input{'cvsroot'}) { if ($CVSROOT{$input{'cvsroot'}}) { $cvstree = $input{'cvsroot'}; $cvsroot = $CVSROOT{"$cvstree"}; } } # create icons out of description foreach my $k (keys %ICONS) { no strict 'refs'; my ($itxt,$ipath,$iwidth,$iheight) = @{$ICONS{$k}}; if ($ipath) { $ {"${k}icon"} = "\"$itxt\""; } else { $ {"${k}icon"} = $itxt; } } # Do some special configuration for cvstrees do "$config-$cvstree" if (-f "$config-$cvstree"); $fullname = $cvsroot . '/' . $where; $mimetype = &getMimeTypeFromSuffix ($fullname); $defaultTextPlain = ($mimetype eq "text/plain"); $defaultViewable = $allow_markup && viewable($mimetype); # GIF and JPEG images are already compressed. # Also, for some reason Netscape does not always likes compressed images. # if ($mimetype=="image/jpeg" || $mimetype=="image/gif") {$maycompress =0}; # search for GZIP if compression allowed # We've to find out if the GZIP-binary exists .. otherwise # ge get an Internal Server Error if we try to pipe the # output through the nonexistent gzip .. # any more elegant ways to prevent this are welcome! if ($allow_compress && $maycompress) { foreach (split(/:/, $ENV{PATH})) { if (-x "$_/gzip") { $GZIPBIN = "$_/gzip"; last; } } } if (-d $fullname) { # # ensure, that directories always end with (exactly) one '/' # to allow relative URL's. If they're not, make a redirect. ## my $pathinfo = defined($ENV{'PATH_INFO'}) ? $ENV{'PATH_INFO'} : ""; if (!($pathinfo =~ m|/$|) || ($pathinfo =~ m |/{2,}$|)) { redirect ($scriptwhere . '/' . $query); } else { $where .= '/'; $scriptwhere .= '/'; } } if (!-d $cvsroot) { &fatal("500 Internal Error",'$CVSROOT not found!

The server on which the CVS tree lives is probably down. Please try again in a few minutes.'); } # # See if the module is in our forbidden list. # $where =~ m:([^/]*):; $module = $1; if ($module && &forbidden_module($module)) { &fatal("403 Forbidden", "Access to $where forbidden."); } ############################## # View a directory ############################### elsif (-d $fullname) { my $dh = do {local(*DH);}; opendir($dh, $fullname) || &fatal("404 Not Found","$where: $!"); my @dir = readdir($dh); closedir($dh); my @subLevelFiles = findLastModifiedSubdirs(@dir) if ($show_subdir_lastmod); getDirLogs($cvsroot,$where,@subLevelFiles); if ($where eq '/') { html_header("$defaulttitle"); print $long_intro; } else { html_header("$where"); print $short_instruction; } print "

\n"; # give direct access to dirs if ($where eq '/') { chooseMirror(); chooseCVSRoot(); } else { print "

Current directory: ", &clickablePath($where,0), "\n"; print "

Current tag: ", $input{only_with_tag}, "\n" if $input{only_with_tag}; } print "

$hr\n"; # Using

in this manner violates the HTML2.0 spec but # provides the results that I want in most browsers. Another # case of layout spooging up HTML. my $infocols = 0; if ($dirtable) { if (defined($tableBorderColor)) { # Can't this be done by defining the border for the inner table? print "
"; } print "\n"; $infocols++; print ""; # do not display the other column-headers, if we do not have any files # with revision information: if (scalar(%fileinfo)) { $infocols++; print ""; $infocols++; print ""; if ($show_author) { $infocols++; print ""; } $infocols++; print ""; } print "\n"; } else { print "\n"; } my $dirrow = 0; my $i; lookingforattic: for ($i = 0; $i <= $#dir; $i++) { if ($dir[$i] eq "Attic") { last lookingforattic; } } if (!$input{'hideattic'} && ($i <= $#dir) && opendir($dh, $fullname . "/Attic")) { splice(@dir, $i, 1, grep((s|^|Attic/|,!m|/\.|), readdir($dh))); closedir($dh); } my $hideAtticToggleLink = "[Hide]" if (!$input{'hideattic'}); # Sort without the Attic/ pathname. # place directories first my $attic; my $url; my $fileurl; my $filesexists; my $filesfound; foreach (sort { &fileSortCmp } @dir) { if ($_ eq '.') { next; } # ignore CVS lock and stale NFS files next if (/^#cvs\.|^,|^\.nfs/); # Check whether to show the CVSROOT path next if ($input{'hidecvsroot'} && ($_ eq 'CVSROOT')); # Check whether the module is in the restricted list next if ($_ && &forbidden_module($_)); # Ignore non-readable files next if ($input{'hidenonreadable'} && !(-r "$fullname/$_")); if (s|^Attic/||) { $attic = " (in the Attic) " . $hideAtticToggleLink; } else { $attic = ""; } if ($_ eq '..' || -d "$fullname/$_") { next if ($_ eq '..' && $where eq '/'); my ($rev,$date,$log,$author,$filename) = @{$fileinfo{$_}} if (defined($fileinfo{$_})); print ""; my($cols) = $infocols; while ($cols > 1) { print ""; $cols--; } } } if ($dirtable) { print "\n"; } else { print "
\n"; } $dirrow++; } elsif (s/,v$//) { $fileurl = ($attic ? "Attic/" : "") . urlencode($_); $url = $fileurl . $query; my $rev = ''; my $date = ''; my $log = ''; my $author = ''; $filesexists++; next if (!defined($fileinfo{$_})); ($rev,$date,$log,$author) = @{$fileinfo{$_}}; $filesfound++; print "" if ($dirtable); print (($dirtable) ? "" : "
"); $dirrow++; } print "\n"; } if ($dirtable && defined($tableBorderColor)) { print "
"; print "" if (!$byfile); print "File"; print "" if (!$byfile); print ""; print "" if (!$byrev); print "Rev."; print "" if (!$byrev); print ""; print "" if (!$bydate); print "Age"; print "" if (!$bydate); print ""; print "" if (!$byauthor); print "Author"; print "" if (!$byauthor); print ""; print "" if (!$bylog); print "Last log entry"; print "" if (!$bylog); print "
" if ($dirtable); if ($_ eq '..') { $url = "../" . $query; if ($nofilelinks) { print $backicon; } else { print &link($backicon,$url); } print " ", &link("Previous Directory",$url); } else { $url = urlencode($_) . '/' . $query; print ""; if ($nofilelinks) { print $diricon; } else { print &link($diricon,$url); } print " ", &link($_ . "/", $url), $attic; if ($_ eq "Attic") { print "  [Don't hide]"; } } # Show last change in dir if ($filename) { print "  " if ($dirtable); if ($date) { print " " . readableTime(time() - $date,0) . ""; } if ($show_author) { print " " if ($dirtable); print $author; } print " " if ($dirtable); $filename =~ s%^[^/]+/%%; print "$filename/$rev"; print "
" if ($dirtable); if ($log) { print " " . &htmlify(substr($log,0,$shortLogLen)); if (length $log > 80) { print "..."; } print ""; } } else { # if there are any files (which require infocols), close the # row with the appropriate number of columns, so that the # vertical seperators are visible if ($dirtable && scalar(%fileinfo)) { print "
 
" if ($dirtable); print ""; if ($nofilelinks) { print $fileicon; } else { print &link($fileicon,$url); } print " ", &link($_, $url), $attic; print " " if ($dirtable); download_link($fileurl, $rev, $rev, $defaultViewable ? "text/x-cvsweb-markup" : undef); print " " if ($dirtable); if ($date) { print " " . readableTime(time() - $date,0) . ""; } if ($show_author) { print " " if ($dirtable); print $author; } print " " if ($dirtable); if ($log) { print " " . &htmlify(substr($log,0,$shortLogLen)); if (length $log > 80) { print "..."; } print ""; } print "
"; } print "". ($dirtable == 1) ? "
" : "
" . "\n"; if ($filesexists && !$filesfound) { print "

NOTE: There are $filesexists files, but none matches the current tag ($input{only_with_tag})\n"; } if ($input{only_with_tag} && (!%tags || !$tags{$input{only_with_tag}})) { %tags = %alltags } if (scalar %tags || $input{only_with_tag} || $edit_option_form || defined($input{"options"})) { print "$bighr"; } if (scalar %tags || $input{only_with_tag}) { print "

\n"; foreach my $var (@stickyvars) { print "\n" if (defined($input{$var}) && $input{$var} ne $DEFAULTVALUE{$var} && $input{$var} ne "" && $var ne "only_with_tag"); } print "Show only files with tag:\n"; print "\n"; print "\n"; print "
\n"; } my $formwhere = $scriptwhere; $formwhere =~ s|Attic/?$|| if ($input{'hideattic'}); if ($edit_option_form || defined($input{"options"})) { print "
\n"; print "\n"; if ($cvstree ne $cvstreedefault) { print "\n"; } print "
"; print ""; print ""; print ""; print ""; print "\n"; print "
Preferences
Sort files by revisions by: \n"; print "
Diff format: "; printDiffSelect(); print "Show Attic files: "; print "
"; print "
\n"; } print &html_footer; print "\n"; } ############################### # View Files ############################### elsif (-f $fullname . ',v') { if (defined($input{'rev'}) || $doCheckout) { &doCheckout($fullname, $input{'rev'}); exit; } if (defined($input{'annotate'}) && $allow_annotate) { &doAnnotate($input{'annotate'}); exit; } if (defined($input{'r1'}) && defined($input{'r2'})) { &doDiff($fullname, $input{'r1'}, $input{'tr1'}, $input{'r2'}, $input{'tr2'}, $input{'f'}); exit; } print("going to dolog($fullname)\n") if ($verbose); &doLog($fullname); ############################## # View Diff ############################## } elsif ($fullname =~ s/\.diff$// && -f $fullname . ",v" && $input{'r1'} && $input{'r2'}) { # $where-diff-removal if 'cvs rdiff' is used # .. but 'cvs rdiff'doesn't support some options # rcsdiff does (-w and -p), so it is disabled # $where =~ s/\.diff$//; # Allow diffs using the ".diff" extension # so that browsers that default to the URL # for a save filename don't save diff's as # e.g. foo.c &doDiff($fullname, $input{'r1'}, $input{'tr1'}, $input{'r2'}, $input{'tr2'}, $input{'f'}); exit; } elsif (($newname = $fullname) =~ s|/([^/]+)$|/Attic/$1| && -f $newname . ",v") { # The file has been removed and is in the Attic. # Send a redirect pointing to the file in the Attic. (my $newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|; &redirect($newplace); exit; } elsif (0 && (my @files = &safeglob($fullname . ",v"))) { http_header("text/plain"); print "You matched the following files:\n"; print join("\n", @files); # Find the tags from each file # Display a form offering diffs between said tags } else { my $fh = do {local(*FH);}; my ($xtra, $module); # Assume it's a module name with a potential path following it. $xtra = $& if (($module = $where) =~ s|/.*||); # Is there an indexed version of modules? if (open($fh, "$cvsroot/CVSROOT/modules")) { while (<$fh>) { if (/^(\S+)\s+(\S+)/o && $module eq $1 && -d "${cvsroot}/$2" && $module ne $2) { &redirect($scriptname . '/' . $2 . $xtra); } } } &fatal("404 Not Found","$where: no such file or directory"); } ## End MAIN sub printDiffSelect { my ($use_java_script) = @_; $use_java_script = 0 if (!defined($use_java_script)); my ($f) = $input{'f'}; print ""; } sub findLastModifiedSubdirs { my (@dirs) = @_; my ($dirname, @files); foreach $dirname (@dirs) { next if ($dirname eq "."); next if ($dirname eq ".."); my ($dir) = "$fullname/$dirname"; next if (!-d $dir); my ($lastmod) = undef; my ($lastmodtime) = undef; my $dh = do {local(*DH);}; opendir($dh,$dir) || next; my (@filenames) = readdir($dh); closedir($dh); foreach my $filename (@filenames) { $filename = "$dirname/$filename"; my ($file) = "$fullname/$filename"; next if ($filename !~ /,v$/ || !-f $file); $filename =~ s/,v$//; my $modtime = -M $file; if (!defined($lastmod) || $modtime < $lastmodtime) { $lastmod = $filename; $lastmodtime = $modtime; } } push(@files, $lastmod) if (defined($lastmod)); } return @files; } sub htmlify { my($string, $pr) = @_; # Special Characters; RFC 1866 $string =~ s/&/&/g; $string =~ s/\"/"/g; $string =~ s//>/g; # get URL's as link .. $string =~ s§(http|ftp)(://[-a-zA-Z0-9%.~:_/]+)([?&]([-a-zA-Z0-9%.~:_]+)=([-a-zA-Z0-9%.~:_])+)*§
$1$2$3§; # get e-mails as link $string =~ s§([-a-zA-Z0-9_.]+@([-a-zA-Z0-9]+\.)+[A-Za-z]{2,4})§$1§; # get #PR as link .. if ($pr && defined($prcgi)) { $string =~ s!\b((pr[:#]?\s*#?)|((bin|conf|docs|gnu|i386|kern|misc|ports)\/))(\d+)\b!$&!ig; } return $string; } sub spacedHtmlText { my($string, $pr) = @_; # Cut trailing spaces s/\s+$//; # Expand tabs $string =~ s/\t+/' ' x (length($&) * $tabstop - length($`) % $tabstop)/e if (defined($tabstop)); # replace and (§ is to protect us from htmlify) # gzip can make excellent use of this repeating pattern :-) $string =~ s/§/§%/g; #protect our & substitute if ($hr_breakable) { # make every other space 'breakable' $string =~ s/ / §nbsp; §nbsp; §nbsp; §nbsp;/g; # $string =~ s/ / §nbsp;/g; # 2 * # leave single space as it is } else { $string =~ s/ /§nbsp;§nbsp;§nbsp;§nbsp;§nbsp;§nbsp;§nbsp;§nbsp;/g; $string =~ s/ /§nbsp;/g; } $string = htmlify($string); # unescape $string =~ s/§([^%])/&$1/g; $string =~ s/§%/§/g; return $string; } sub link { my($name, $where) = @_; return "$name\n"; } sub revcmp { my($rev1, $rev2) = @_; my(@r1) = split(/\./, $rev1); my(@r2) = split(/\./, $rev2); my($a,$b); while (($a = shift(@r1)) && ($b = shift(@r2))) { if ($a != $b) { return $a <=> $b; } } if (@r1) { return 1; } if (@r2) { return -1; } return 0; } sub fatal { my($errcode, $errmsg) = @_; if (defined($ENV{'MOD_PERL'})) { Apache->request->status((split(/ /, $errcode))[0]); } else { print "Status: $errcode\n"; } html_header("Error"); print "Error: $errmsg\n"; print &html_footer; exit(1); } sub redirect { my($url) = @_; if (defined($ENV{'MOD_PERL'})) { Apache->request->status(301); Apache->request->header_out(Location => $url); } else { print "Status: 301 Moved\n"; print "Location: $url\n"; } html_header("Moved"); print "This document is located here.\n"; print &html_footer; exit(1); } sub safeglob { my ($filename) = @_; my ($dirname); my (@results); my $dh = do {local(*DH);}; ($dirname = $filename) =~ s|/[^/]+$||; $filename =~ s|.*/||; if (opendir($dh, $dirname)) { my $glob = $filename; my $t; # transform filename from glob to regex. Deal with: # [, {, ?, * as glob chars # make sure to escape all other regex chars $glob =~ s/([\.\(\)\|\+])/\\$1/g; $glob =~ s/\*/.*/g; $glob =~ s/\?/./g; $glob =~ s/{([^}]+)}/($t = $1) =~ s-,-|-g; "($t)"/eg; foreach (readdir($dh)) { if (/^${glob}$/) { push(@results, $dirname . "/" .$_); } } } @results; } sub getMimeTypeFromSuffix { my ($fullname) = @_; my ($mimetype, $suffix); my $fh = do {local(*FH);}; ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/; $mimetype = $MTYPES{$suffix}; $mimetype = $MTYPES{'*'} if (!$mimetype); if (!$mimetype && -f $mime_types) { # okey, this is something special - search the # mime.types database open ($fh, "<$mime_types"); while (<$fh>) { if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) { $mimetype = $1; last; } } close ($fh); } # okey, didn't find anything useful .. if (!($mimetype =~ /\S\/\S/)) { $mimetype = "text/plain"; } return $mimetype; } ############################### # show Annotation ############################### sub doAnnotate ($$) { my ($rev) = @_; my ($pid); my ($pathname, $filename); my $reader = do {local(*FH);}; my $writer = do {local(*FH);}; # make sure the revisions a wellformed, for security # reasons .. if (!($rev =~ /^[\d\.]+$/)) { &fatal("404 Not Found", "Malformed query \"$ENV{'QUERY_STRING'}\""); } ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//; ($filename = $where) =~ s/^.*\///; http_header(); navigateHeader ($scriptwhere,$pathname,$filename,$rev, "annotate"); print "

Annotation of $pathname$filename, Revision $rev

\n"; # this seems to be necessary $| = 1; $| = 0; # Flush # this annotate version is based on the # cvs annotate-demo Perl script by Cyclic Software # It was written by Cyclic Software, http://www.cyclic.com/, and is in # the public domain. # we could abandon the use of rlog, rcsdiff and co using # the cvsserver in a similiar way one day (..after rewrite) $pid = open2($reader, $writer, "cvs server") || fatal ("500 Internal Error", "Fatal Error - unable to open cvs for annotation"); # OK, first send the request to the server. A simplified example is: # Root /home/kingdon/zwork/cvsroot # Argument foo/xx # Directory foo # /home/kingdon/zwork/cvsroot/foo # Directory . # /home/kingdon/zwork/cvsroot # annotate # although as you can see there are a few more details. print $writer "Root $cvsroot\n"; print $writer "Valid-responses ok error Valid-requests Checked-in Updated Merged Removed M E\n"; # Don't worry about sending valid-requests, the server just needs to # support "annotate" and if it doesn't, there isn't anything to be done. print $writer "UseUnchanged\n"; print $writer "Argument -r\n"; print $writer "Argument $rev\n"; print $writer "Argument $where\n"; # The protocol requires us to fully fake a working directory (at # least to the point of including the directories down to the one # containing the file in question). # So if $where is "dir/sdir/file", then @dirs will be ("dir","sdir","file") my @dirs = split (/\//, $where); my $path = ""; foreach (@dirs) { if ($path eq "") { # In our example, $_ is "dir". $path = $_; } else { print $writer "Directory " . $path . "\n"; print $writer "$cvsroot/" . $path ."\n"; # In our example, $_ is "sdir" and $path becomes "dir/sdir" # And the next time, "file" and "dir/sdir/file" (which then gets # ignored, because we don't need to send Directory for the file). $path = $path . "/" . $_; } } # And the last "Directory" before "annotate" is the top level. print $writer "Directory .\n"; print $writer "$cvsroot\n"; print $writer "annotate\n"; # OK, we've sent our command to the server. Thing to do is to # close the writer side and get all the responses. If "cvs server" # were nicer about buffering, then we could just leave it open, I think. close ($writer) || die "cannot close: $!"; # Ready to get the responses from the server. # For example: # E Annotations for foo/xx # E *************** # M 1.3 (kingdon 06-Sep-97): hello # ok my ($lineNr) = 0; my ($oldLrev, $oldLusr) = ("", ""); my ($revprint, $usrprint); if ($annTable) { print "\n"; } else { print "
";
    }
    while (<$reader>) {
	my @words = split;
	# Adding one is for the (single) space which follows $words[0].
	my $rest = substr ($_, length ($words[0]) + 1);
	if ($words[0] eq "E") {
	    next;
	}
	elsif ($words[0] eq "M") {
	    $lineNr++;
	    my $lrev = substr ($_, 2, 13);
	    my $lusr = substr ($_, 16,  9);
	    my $line = substr ($_, 36);
	    # we should parse the date here ..
	    if ($lrev eq $oldLrev) {
		$revprint = "             ";
	    }
	    else {
		$revprint = $lrev; $oldLusr = "";
	    }
	    if ($lusr eq $oldLusr) {
		$usrprint = "         ";
	    }
	    else {
		$usrprint = $lusr;
	    }
	    $oldLrev = $lrev;
	    $oldLusr = $lusr;
	    # is there a less timeconsuming way to strip spaces ?
	    ($lrev = $lrev) =~ s/\s+//g;
	    my $isCurrentRev = ("$rev" eq "$lrev");
	    
	    print "" if ($isCurrentRev);
	    printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
	    print spacedHtmlText($line);
	    print "" if ($isCurrentRev);
	}
	elsif ($words[0] eq "ok") {
	    # We could complain about any text received after this, like the
	    # CVS command line client.  But for simplicity, we don't.
	}
	elsif ($words[0] eq "error") {
	    fatal ("500 Internal Error", "Error occured during annotate: $_");
	}
    }
    if ($annTable) {
	print "
"; } else { print ""; } close ($reader) || warn "cannot close: $!"; wait; } ############################### # make Checkout ############################### sub doCheckout { my ($fullname, $rev) = @_; my ($mimetype,$revopt); my $fh = do {local(*FH);}; # make sure the revisions a wellformed, for security # reasons .. if (defined($rev) && !($rev =~ /^[\d\.]+$/)) { &fatal("404 Not Found", "Malformed query \"$ENV{'QUERY_STRING'}\""); } # get mimetype if (defined($input{"content-type"}) && ($input{"content-type"} =~ /\S\/\S/)) { $mimetype = $input{"content-type"} } else { $mimetype = &getMimeTypeFromSuffix($fullname); } if (defined($rev)) { $revopt = "-r'$rev'"; readLog($fullname,$rev); $moddate=$date{$rev}; } else { $revopt = ""; readLog($fullname); $moddate=$date{$symrev{HEAD}}; } # this may not be quoted with single quotes # in windows .. but should in U*nx. there # is a function which allows for quoting `evil` # characters somewhere, I know (buried in the Perl-manpage) ## ### just for the record: ### 'cvs co' seems to have a bug regarding single checkout of ### directories/files having spaces in it; ### this is an issue that should be resolved on cvs's side open($fh, "cvs -d'$cvsroot' co -p $revopt '$where' 2>&1 |") || &fatal("500 Internal Error", "Couldn't co: $!"); #=================================================================== #Checking out squid/src/ftp.c #RCS: /usr/src/CVS/squid/src/ftp.c,v #VERS: 1.1.1.28.6.2 #*************** # Parse CVS header my ($revision, $filename, $cvsheader); while(<$fh>) { last if (/^\*\*\*\*/); $revision = $1 if (/^VERS: (.*)$/); $filename = $1 if (/^Checking out (.*)$/); $cvsheader .= $_; } if ($filename ne $where) { &fatal("500 Internal Error", "Unexpected output from cvs co: $cvsheader" . "

Check whether the directory $cvsroot/CVSROOT exists " . "and the script has write-access to the CVSROOT/history " . "file if it exists." . "
The script needs to place lock files in the " . "directory the file is in as well.
"); } $| = 1; if ($mimetype eq "text/x-cvsweb-markup") { &cvswebMarkup($fh,$fullname,$revision); } else { http_header($mimetype); print <$fh>; } close($fh); } sub cvswebMarkup { my ($filehandle,$fullname,$revision) = @_; my ($pathname, $filename); ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//; ($filename = $where) =~ s/^.*\///; my ($fileurl) = urlencode($filename); http_header(); navigateHeader ($scriptwhere, $pathname, $filename, $revision, "view"); print "$hr"; print "
"; print "File: ", &clickablePath($where, 1), ""; print " "; &download_link(urlencode($fileurl), $revision, "(download)"); if (!$defaultTextPlain) { print " "; &download_link(urlencode($fileurl), $revision, "(as text)", "text/plain"); } print "
\n"; if ($show_log_in_markup) { readLog($fullname); #,$revision); printLog($revision,0); } else { print "Version: $revision
\n"; print "Tag: ", $input{only_with_tag}, "
\n" if $input{only_with_tag}; } print "
"; my @content = <$filehandle>; my $url = download_url($fileurl, $revision, $mimetype); print "$hr"; if ($mimetype =~ /^image/) { print "
"; } else { print "

";
	foreach (@content) {
	    print htmlify($_);
	}
	print "
"; } } sub viewable($) { my ($mimetype) = @_; $mimetype =~ m%^text/% || $mimetype =~ m%^image/% || 0; } ############################### # Show Colored Diff ############################### sub doDiff { my($fullname, $r1, $tr1, $r2, $tr2, $f) = @_; my $fh = do {local(*FH);}; my ($rev1, $rev2, $sym1, $sym2, $difftype, $diffname, $f1, $f2); if ($r1 =~ /([^:]+)(:(.+))?/) { $rev1 = $1; $sym1 = $3; } if ($r1 eq 'text') { $rev1 = $tr1; $sym1 = ""; } if ($r2 =~ /([^:]+)(:(.+))?/) { $rev2 = $1; $sym2 = $3; } if ($r2 eq 'text') { $rev2 = $tr2; $sym2 = ""; } # make sure the revisions a wellformed, for security # reasons .. if (!($rev1 =~ /^[\d\.]+$/) || !($rev2 =~ /^[\d\.]+$/)) { &fatal("404 Not Found", "Malformed query \"$ENV{'QUERY_STRING'}\""); } # # rev1 and rev2 are now both numeric revisions. # Thus we do a DWIM here and swap them if rev1 is after rev2. # XXX should we warn about the fact that we do this? if (&revcmp($rev1,$rev2) > 0) { my ($tmp1, $tmp2) = ($rev1, $sym1); ($rev1, $sym1) = ($rev2, $sym2); ($rev2, $sym2) = ($tmp1, $tmp2); } my $human_readable = 0; if ($f eq 'c') { $difftype = '-c'; $diffname = "Context diff"; } elsif ($f eq 's') { $difftype = '--side-by-side --width=164'; $diffname = "Side by Side"; } elsif ($f eq 'H') { $human_readable = 1; $difftype = '--unified=15'; $diffname = "Long Human readable"; } elsif ($f eq 'h') { $difftype = '-u'; $human_readable = 1; $diffname = "Human readable"; } elsif ($f eq 'u') { $difftype = '-u'; $diffname = "Unidiff"; } else { fatal ("400 Bad arguments", "Diff format $f not understood"); } # apply special options if ($human_readable) { if ($hr_funout) { $difftype = $difftype . ' -p'; } if ($hr_ignwhite) { $difftype = $difftype . ' -w'; } if ($hr_ignkeysubst) { $difftype = $difftype . ' -kk'; } } ## cvs rdiff doesn't support '-p' and '-w' option .. sad # open($fh, "cvs -d $cvsroot rdiff $difftype " . # "-r$rev1 -r$rev2 '$where' 2>&1 |") # || &fatal("500 Internal Error", "Couldn't cvs rdiff: $!"); ### open($fh, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") || &fatal("500 Internal Error", "Couldn't GNU rcsdiff: $!"); if ($human_readable) { http_header(); &human_readable_diff($fh, $rev2); exit; } else { http_header("text/plain"); } # #=================================================================== #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v #retrieving revision 1.16 #retrieving revision 1.17 #diff -c -r1.16 -r1.17 #*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16 #--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 # # Ideas: # - nuke the stderr output if it's what we expect it to be # - Add "no differences found" if the diff command supplied no output. # #*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16 #--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0 # (bogus example, but...) # if ($difftype eq '-u') { $f1 = '---'; $f2 = '\+\+\+'; } else { $f1 = '\*\*\*'; $f2 = '---'; } while (<$fh>) { if (m|^$f1 $cvsroot|o) { s|$cvsroot/||o; if ($sym1) { chop; $_ .= " " . $sym1 . "\n"; } } elsif (m|^$f2 $cvsroot|o) { s|$cvsroot/||o; if ($sym2) { chop; $_ .= " " . $sym2 . "\n"; } } print $_; } close($fh); } ############################### # Show Logs .. ############################### sub getDirLogs { my ($cvsroot,$dirname,@otherFiles) = @_; my ($state,$otherFiles,$tag, $file, $date, $branchpoint, $branch, $log); my ($rev, $revision, $revwanted, $filename, $head, $author); $tag = $input{only_with_tag}; my ($DirName) = "$cvsroot/$where"; my (@files, @filetags); my $fh = do {local(*FH);}; push(@files, &safeglob("$DirName/*,v")); push(@files, &safeglob("$DirName/Attic/*,v")) if (!$input{'hideattic'}); foreach $file (@otherFiles) { push(@files, "$DirName/$file"); } # just execute rlog if there are any files if ($#files < 0) { return; } my ($filenames) = join("' '",@files); if ($tag) { #can't use -r as - is allowed in tagnames, but misinterpreated by rlog.. open($fh, "rlog '$filenames' 2>/dev/null |") || &fatal("500 Internal Error", "Failed to spawn GNU rlog"); } else { open($fh, "rlog -r '$filenames' 2>/dev/null |") || &fatal("500 Internal Error", "Failed to spawn GNU rlog"); } $state = "start"; while (<$fh>) { if ($state eq "start") { #Next file. Initialize file variables $rev = undef; $revwanted = undef; $branch = undef; $branchpoint = undef; $filename = undef; $log = undef; $revision = undef; $branch = undef; %symrev = (); @filetags = (); #jump to head state $state = "head"; } print "$state:$_" if ($verbose); again: if ($state eq "head") { #$rcsfile = $1 if (/^RCS file: (.+)$/); #not used (yet) $filename = $1 if (/^Working file: (.+)$/); $head = $1 if (/^head: (.+)$/); $branch = $1 if (/^branch: (.+)$/); } if ($state eq "head" && /^symbolic names/) { $state = "tags"; ($branch = $head) =~ s/\.\d+$// if (!defined($branch)); $branch =~ s/(\.?)(\d+)$/${1}0.$2/; $symrev{MAIN} = $branch; $symrev{HEAD} = $branch; $alltags{MAIN} = 1; $alltags{HEAD} = 1; push (@filetags, "MAIN", "HEAD"); next; } if ($state eq "tags" && /^\s+(.+):\s+([\d\.]+)\s+$/) { push (@filetags, $1); $symrev{$1} = $2; $alltags{$1} = 1; next; } if ($state eq "tags" && /^\S/) { if (defined($tag) && (defined($symrev{$tag}) || $tag eq "HEAD")) { $revwanted = $tag eq "HEAD" ? $symrev{"MAIN"} : $symrev{$tag}; ($branch = $revwanted) =~ s/\b0\.//; ($branchpoint = $branch) =~ s/\.?\d+$//; $revwanted = undef if ($revwanted ne $branch); } elsif (defined($tag) && $tag ne "HEAD") { print "Tag not found, skip this file" if ($verbose); $state = "skip"; next; } foreach my $tagfound (@filetags) { $tags{$tagfound} = 1; } $state = "head"; goto again; } if ($state eq "head" && /^----------------------------$/) { $state = "log"; $rev = undef; $date = undef; $log = ""; # Try to reconstruct the relative filename if RCS spits out a full path $filename =~ s%^$DirName/%%; next; } if ($state eq "log") { if (/^----------------------------$/ || /^=============================/) { # End of a log entry. my $revbranch; ($revbranch = $rev) =~ s/\.\d+$//; print "$filename $rev Wanted: $revwanted " . "Revbranch: $revbranch Branch: $branch " . "Branchpoint: $branchpoint\n" if ($verbose); if (!defined($revwanted) && defined($branch) && $branch eq $revbranch || !defined($tag)) { print "File revision $rev found for branch $branch\n" if ($verbose); $revwanted = $rev; } if (defined($revwanted) ? $rev eq $revwanted : defined($branchpoint) ? $rev eq $branchpoint : 0 && ($rev eq $head)) { # Don't think head is needed here.. print "File info $rev found for $filename\n" if ($verbose); my @finfo = ($rev,$date,$log,$author,$filename); my ($name); ($name = $filename) =~ s%/.*%%; $fileinfo{$name} = [ @finfo ]; $state = "done" if ($rev eq $revwanted); } $rev = undef; $date = undef; $log = ""; } elsif (!defined($date) && m|^date:\s+(\d+)/(\d+)/(\d+)\s+(\d+):(\d+):(\d+);|) { my $yr = $1; # damn 2-digit year routines :-) if ($yr > 100) { $yr -= 1900; } $date = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr); ($author) = /author: ([^;]+)/; $state = "log"; $log = ''; next; } elsif (!defined($rev) && m/^revision (.*)$/) { $rev = $1; next; } else { $log = $log . $_; } } if (/^===============/) { $state = "start"; next; } } if ($. == 0) { fatal("500 Internal Error", "Failed to spawn GNU rlog on '$filenames'

did you set the \$ENV{PATH} in your configuration file correctly ?"); } close($fh); } sub readLog { my($fullname,$revision) = @_; my ($symnames, $head, $rev, $br, $brp, $branch, $branchrev); my $fh = do {local(*FH);}; if (defined($revision)) { $revision = "-r$revision"; } else { $revision = ""; } undef %symrev; undef %revsym; undef @allrevisions; undef %date; undef %author; undef %state; undef %difflines; undef %log; print("Going to rlog '$fullname'\n") if ($verbose); open($fh, "rlog $revision '$fullname'|") || &fatal("500 Internal Error", "Failed to spawn rlog"); while (<$fh>) { print if ($verbose); if ($symnames) { if (/^\s+([^:]+):\s+([\d\.]+)/) { $symrev{$1} = $2; } else { $symnames = 0; } } elsif (/^head:\s+([\d\.]+)/) { $head = $1; } elsif (/^branch:\s+([\d\.]+)/) { $curbranch = $1; } elsif (/^symbolic names/) { $symnames = 1; } elsif (/^-----/) { last; } } ($curbranch = $head) =~ s/\.\d+$// if (!defined($curbranch)); # each log entry is of the form: # ---------------------------- # revision 3.7.1.1 # date: 1995/11/29 22:15:52; author: fenner; state: Exp; lines: +5 -3 # log info # ---------------------------- logentry: while (!/^=========/) { $_ = <$fh>; last logentry if (!defined($_)); # EOF print "R:", $_ if ($verbose); if (/^revision ([\d\.]+)/) { $rev = $1; unshift(@allrevisions,$rev); } elsif (/^========/ || /^----------------------------$/) { next logentry; } else { # The rlog output is syntactically ambiguous. We must # have guessed wrong about where the end of the last log # message was. # Since this is likely to happen when people put rlog output # in their commit messages, don't even bother keeping # these lines since we don't know what revision they go with # any more. next logentry; # &fatal("500 Internal Error","Error parsing RCS output: $_"); } $_ = <$fh>; print "D:", $_ if ($verbose); 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+-]+))?|) { my $yr = $1; # damn 2-digit year routines :-) if ($yr > 100) { $yr -= 1900; } $date{$rev} = &Time::Local::timegm($6,$5,$4,$3,$2 - 1,$yr); $author{$rev} = $7; $state{$rev} = $8; $difflines{$rev} = $10; } else { &fatal("500 Internal Error", "Error parsing RCS output: $_"); } line: while (<$fh>) { print "L:", $_ if ($verbose); next line if (/^branches:\s/); last line if (/^----------------------------$/ || /^=========/); $log{$rev} .= $_; } print "E:", $_ if ($verbose); } close($fh); print "Done reading RCS file\n" if ($verbose); @revorder = reverse sort {revcmp($a,$b)} @allrevisions; print "Done sorting revisions",join(" ",@revorder),"\n" if ($verbose); # # HEAD is an artificial tag which is simply the highest tag number on the main # branch, unless there is a branch tag in the RCS file in which case it's the # highest revision on that branch. Find it by looking through @revorder; it # is the first commit listed on the appropriate branch. # This is not neccesary the same revision as marked as head in the RCS file. my $headrev = $curbranch || "1"; ($symrev{"MAIN"} = $headrev) =~ s/(\.?)(\d+)$/${1}0.$2/; revision: foreach $rev (@revorder) { if ($rev =~ /^(\S*)\.\d+$/ && $headrev eq $1) { $symrev{"HEAD"} = $rev; last revision; } } ($symrev{"HEAD"} = $headrev) =~ s/\.\d+$// if (!defined($symrev{"HEAD"})); print "Done finding HEAD\n" if ($verbose); # # Now that we know all of the revision numbers, we can associate # absolute revision numbers with all of the symbolic names, and # pass them to the form so that the same association doesn't have # to be built then. # undef @branchnames; undef %branchpoint; undef $sel; foreach (reverse sort keys %symrev) { $rev = $symrev{$_}; if ($rev =~ /^((.*)\.)?\b0\.(\d+)$/) { push(@branchnames, $_); # # A revision number of A.B.0.D really translates into # "the highest current revision on branch A.B.D". # # If there is no branch A.B.D, then it translates into # the head A.B . # # This reasoning also applies to the main branch A.B, # with the branch number 0.A, with the exception that # it has no head to translate to if there is nothing on # the branch, but I guess this can never happen? # (the code below gracefully forgets about the branch # if it should happen) # $head = defined($2) ? $2 : ""; $branch = $3; $branchrev = $head . ($head ne "" ? "." : "") . $branch; my $regex; ($regex = $branchrev) =~ s/\./\\./g; $rev = $head; revision: foreach my $r (@revorder) { if ($r =~ /^${regex}\b/) { $rev = $branchrev; last revision; } } next if ($rev eq ""); if ($rev ne $head && $head ne "") { $branchpoint{$head} .= ", " if ($branchpoint{$head}); $branchpoint{$head} .= $_; } } $revsym{$rev} .= ", " if ($revsym{$rev}); $revsym{$rev} .= $_; $sel .= "

\n";
	print &htmlify($log{$_}, 1);
	print "
\n"; } sub doLog { my($fullname) = @_; my ($diffrev, $upwhere, $filename, $backurl); readLog($fullname); html_header("CVS log for $where"); ($upwhere = $where) =~ s|(Attic/)?[^/]+$||; ($filename = $where) =~ s|^.*/||; $backurl = $scriptname . "/" . urlencode($upwhere) . $query; print &link($backicon, "$backurl#$filename"), " Up to ", &clickablePath($upwhere, 1), "

\n"; print "Request diff between arbitrary revisions\n"; print "$hr\n"; if ($curbranch) { print "Default branch: "; print ($revsym{$curbranch} || $curbranch); } else { print "No default branch"; } print "
\n"; if ($input{only_with_tag}) { print "Current tag: $input{only_with_tag}
\n"; } undef %nameprinted; for (my $i = 0; $i <= $#revdisplayorder; $i++) { print "$bighr"; printLog($revdisplayorder[$i]); } print "\n"; print "$hr"; print "This form allows you to request diff's between any two\n"; print "revisions of a file. You may select a symbolic revision\n"; print "name using the selection box or you may type in a numeric\n"; print "name using the type-in text box.\n"; print "

\n"; print "

\n"; foreach (@stickyvars) { print "\n" if (defined($input{$_}) && ($input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne "")); } print "Diffs between \n"; print "\n"; $diffrev = $revdisplayorder[$#revdisplayorder]; $diffrev = $input{"r1"} if (defined($input{"r1"})); print "\n"; print " and \n"; print "\n"; $diffrev = $revdisplayorder[0]; $diffrev = $input{"r2"} if (defined($input{"r2"})); print "\n"; print "
Type of Diff should be a "; printDiffSelect(); print "\n"; print "
\n"; print "$hr\n"; if (@branchnames) { print "\n"; print "
\n"; foreach (@stickyvars) { next if ($_ eq "only_with_tag"); next if ($_ eq "logsort"); print "\n" if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""); } print "View only Branch: \n"; print "\n"; print "\n"; print "
\n"; print "
\n"; } print "\n"; print "
\n"; foreach (@stickyvars) { next if ($_ eq "only_with_tag"); next if ($_ eq "logsort"); print "\n" if (defined($input{$_}) && $input{$_} ne $DEFAULTVALUE{$_} && $input{$_} ne ""); } print "Sort log by: \n"; print "\n"; print "\n"; print "
\n"; print "
"; print &html_footer; print "\n"; } sub flush_diff_rows ($$$$) { my $j; my ($leftColRef,$rightColRef,$leftRow,$rightRow) = @_; if ($state eq "PreChangeRemove") { # we just got remove-lines before for ($j = 0 ; $j < $leftRow; $j++) { print "@$leftColRef[$j]"; print " \n"; } } elsif ($state eq "PreChange") { # state eq "PreChange" # we got removes with subsequent adds for ($j = 0; $j < $leftRow || $j < $rightRow ; $j++) { # dump out both cols print ""; if ($j < $leftRow) { print "@$leftColRef[$j]"; } else { print " "; } if ($j < $rightRow) { print "@$rightColRef[$j]"; } else { print " "; } print "\n"; } } } ## # Function to generate Human readable diff-files # human_readable_diff(String revision_to_return_to); ## sub human_readable_diff($){ my ($i,$difftxt, $where_nd, $filename, $pathname, $scriptwhere_nd); my ($fh, $rev) = @_; my ($date1, $date2, $r1d, $r2d, $r1r, $r2r, $rev1, $rev2, $sym1, $sym2); my (@rightCol, @leftCol); ($where_nd = $where) =~ s/.diff$//; ($filename = $where_nd) =~ s/^.*\///; ($pathname = $where_nd) =~ s/(Attic\/)?[^\/]*$//; ($scriptwhere_nd = $scriptwhere) =~ s/.diff$//; navigateHeader ($scriptwhere_nd, $pathname, $filename, $rev, "diff"); # Read header to pick up read revision and date, if possible while (<$fh>) { ($r1d,$r1r) = /\t(.*)\t(.*)$/ if (/^--- /); ($r2d,$r2r) = /\t(.*)\t(.*)$/ if (/^\+\+\+ /); last if (/^\+\+\+ /); } if (defined($r1r) && $r1r =~ /^(\d+\.)+\d+$/) { $rev1 = $r1r; $date1 = $r1d; } if (defined($r2r) && $r2r =~ /^(\d+\.)+\d+$/) { $rev2 = $r2r; $date2 = $r2d; } print "

Diff for /$where_nd between version $rev1 and $rev2

\n"; print "\n"; print "\n"; print "\n"; print "\n"; my $fs = ""; my $fe = ""; my $leftRow = 0; my $rightRow = 0; my ($oldline, $newline, $funname, $diffcode, $rest); # Process diff text # The diffrows are could make excellent use of # cascading style sheets because we've to set the # font and color for each row. anyone ...? #### while (<$fh>) { $difftxt = $_; if ($difftxt =~ /^@@/) { ($oldline,$newline,$funname) = $difftxt =~ /@@ \-([0-9]+).*\+([0-9]+).*@@(.*)/; print "\n"; $state = "dump"; $leftRow = 0; $rightRow = 0; } else { ($diffcode,$rest) = $difftxt =~ /^([-+ ])(.*)/; $_ = spacedHtmlText ($rest); # Add fontface, size $_ = "$fs $_$fe"; ######### # little state machine to parse unified-diff output (Hen, zeller@think.de) # in order to get some nice 'ediff'-mode output # states: # "dump" - just dump the value # "PreChangeRemove" - we began with '-' .. so this could be the start of a 'change' area or just remove # "PreChange" - okey, we got several '-' lines and moved to '+' lines -> this is a change block ########## if ($diffcode eq '+') { if ($state eq "dump") { # 'change' never begins with '+': just dump out value print "\n"; } else { # we got minus before $state = "PreChange"; $rightCol[$rightRow++] = $_; } } elsif ($diffcode eq '-') { $state = "PreChangeRemove"; $leftCol[$leftRow++] = $_; } else { # empty diffcode flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow; print "\n"; $state = "dump"; $leftRow = 0; $rightRow = 0; } } } flush_diff_rows \@leftCol, \@rightCol, $leftRow, $rightRow; # state is empty if we didn't have any change if (!$state) { print ""; print ""; print ""; } print "
"; print "version $rev1"; print ", $date1" if (defined($date1)); print "
Tag: $sym1\n" if ($sym1); print "
"; print "version $rev2"; print ", $date2" if (defined($date2)); print "
Tag: $sym2\n" if ($sym1); print "
"; print "
Line $oldline"; print " $funname
"; print "
"; print "
Line $newline"; print " $funname
"; print "
 $_
$_$_
 
- No viewable Change -
"; close($fh); print "
$widehr\n"; print ""; print ""; print "
"; # print legend print "
"; print "Legend:
\n"; print ""; print ""; print ""; print "
Removed from v.$rev1 
changed lines
 Added in v.$rev2
\n"; print "\n\n"; print "
"; # Print format selector print "
\n"; foreach my $var (keys %input) { next if ($var eq "f"); next if (defined($DEFAULTVALUE{$var}) && $DEFAULTVALUE{$var} eq $input{$var}); print "\n"; } printDiffSelect($use_java_script); print "\n"; print "
\n"; print "
"; } sub navigateHeader ($$$$$) { my ($swhere,$path,$filename,$rev,$title) = @_; $swhere = "" if ($swhere eq $scriptwhere); $swhere = urlencode($filename) if ($swhere eq ""); print "\n\n"; print ''; print "\n$path$filename - $title - $rev"; print $stylesheet if ($stylesheet); print "\n"; print "\n"; print ""; print ""; print ""; print "
"; print "$backicon"; print " Return to ", &link("$filename","$swhere$query#rev$rev")," CVS log"; print " $fileicon$diricon Up to ", &clickablePath($path, 1), "
"; } sub plural_write ($$) { my ($num,$text) = @_; if ($num != 1) { $text = $text . "s"; } if ($num > 0) { return $num . " " . $text; } else { return ""; } } ## # print readable timestamp in terms of # '..time ago' # H. Zeller ## sub readableTime ($$) { my ($i, $break, $retval); my ($secs,$long) = @_; # this function works correct for time >= 2 seconds if ($secs < 2) { return "very little time"; } my %desc = (1 , 'second', 60, 'minute', 3600, 'hour', 86400, 'day', 604800, 'week', 2628000, 'month', 31536000, 'year'); my @breaks = sort {$a <=> $b} keys %desc; $i = 0; while ($i <= $#breaks && $secs >= 2 * $breaks[$i]) { $i++; } $i--; $break = $breaks[$i]; $retval = plural_write(int ($secs / $break), $desc{"$break"}); if ($long == 1 && $i > 0) { my $rest = $secs % $break; $i--; $break = $breaks[$i]; my $resttime = plural_write(int ($rest / $break), $desc{"$break"}); if ($resttime) { $retval = $retval . ", " . $resttime; } } return $retval; } ## # clickablePath(String pathname, boolean last_item_clickable) # # returns a html-ified path whereas each directory is a link for # faster navigation. last_item_clickable controls whether the # basename (last directory/file) is a link as well ## sub clickablePath($$) { my ($pathname,$clickLast) = @_; my $retval = ''; if ($pathname eq '/') { # this should never happen - chooseCVSRoot() is # intended to do this $retval = "[$cvstree]"; } else { $retval = $retval . " [$cvstree]"; my $wherepath = ''; my ($lastslash) = $pathname =~ m|/$|; foreach (split(/\//, $pathname)) { $retval = $retval . " / "; $wherepath = $wherepath . '/' . $_; my ($last) = "$wherepath/" eq "/$pathname" || "$wherepath" eq "/$pathname"; if ($clickLast || !$last) { $retval = $retval . "$_"; } else { # do not make a link to the current dir $retval = $retval . $_; } } } return $retval; } sub chooseCVSRoot() { my @foo; foreach (sort keys %CVSROOT) { if (-d $CVSROOT{$_}) { push(@foo, $_); } } if (@foo > 1) { my ($k); print "
\n"; foreach $k (keys %input) { print "\n" if ($input{$k}) && ($k ne "cvsroot"); } # Form-Elements look wierd in Netscape if the background # isn't gray and the form elements are not placed # within a table ... print ""; print ""; print ""; print ""; print "
CVS Root:\n\n
"; } else { # no choice .. print "CVS Root: [$cvstree]"; } } sub chooseMirror() { my ($mirror,$moremirrors); $moremirrors = 0; # This code comes from the original BSD-cvsweb # and may not be useful for your site; If you don't # set %MIRRORS this won't show up, anyway # # Should perhaps exlude the current site somehow.. if (keys %MIRRORS) { print "\nThis cvsweb is mirrored in:\n"; foreach $mirror (keys %MIRRORS) { print ", " if ($moremirrors); print qq($mirror\n); $moremirrors = 1; } print "

\n"; } } sub fileSortCmp { my ($comp) = 0; my ($c,$d,$af,$bf); ($af = $a) =~ s/,v$//; ($bf = $b) =~ s/,v$//; my ($rev1,$date1,$log1,$author1,$filename1) = @{$fileinfo{$af}} if (defined($fileinfo{$af})); my ($rev2,$date2,$log2,$author2,$filename2) = @{$fileinfo{$bf}} if (defined($fileinfo{$bf})); if (defined($filename1) && defined($filename2) && $af eq $filename1 && $bf eq $filename2) { # Two files $comp = -revcmp($rev1, $rev2) if ($byrev && $rev1 && $rev2); $comp = ($date2 <=> $date1) if ($bydate && $date1 && $date2); $comp = ($log1 cmp $log2) if ($bylog && $log1 && $log2); $comp = ($author1 cmp $author2) if ($byauthor && $author1 && $author2); } if ($comp == 0) { # Directories first, then sorted on name if no other sort critera # available. my $ad = ((-d "$fullname/$a")?"D":"F"); my $bd = ((-d "$fullname/$b")?"D":"F"); ($c=$a) =~ s|.*/||; ($d=$b) =~ s|.*/||; $comp = ("$ad$c" cmp "$bd$d"); } return $comp; } # make A url for downloading sub download_url { my ($url,$revision,$mimetype) = @_; $revision =~ s/\b0\.//; if (defined($checkout_magic) && (!defined($mimetype) || $mimetype ne "text/x-cvsweb-markup")) { my ($path); ($path = $where) =~ s|/[^/]*$|/|; $url = "$scriptname/$checkoutMagic/${path}$url"; } $url .= "?rev=$revision"; $url .= "&content-type=$mimetype" if (defined($mimetype)); return $url; } # Presents a link to download the # selected revision sub download_link { my ($url,$revision,$textlink,$mimetype) = @_; my ($fullurl) = download_url($url,$revision,$mimetype); my ($paren) = $textlink =~ /^\(/; $textlink =~ s/^\(// if ($paren); $textlink =~ s/\)$// if ($paren); print "(" if ($paren); print "$textlink"; print ")" if ($paren); } # Returns a Query string with the # specified parameter toggled sub toggleQuery($$) { my ($toggle,$value) = @_; my ($newquery,$var); my (%vars); %vars = %input; if (defined($value)) { $vars{$toggle} = $value; } else { $vars{$toggle} = $vars{$toggle} ? 0 : 1; } # Build a new query of non-default paramenters $newquery = ""; foreach $var (@stickyvars) { my ($value) = defined($vars{$var}) ? $vars{$var} : ""; my ($default) = defined($DEFAULTVALUE{$var}) ? $DEFAULTVALUE{$var} : ""; if ($value ne $default) { $newquery .= "&" if ($newquery ne ""); $newquery .= urlencode($var) . "=" . urlencode($value); } } if ($newquery) { return '?' . $newquery; } return ""; } sub urlencode { my ($in) = @_; my ($out); ($out = $in) =~ s/([\000-+{-\377])/sprintf("%%%02x", ord($1))/ge; return $out; } sub http_header { my $content_type = shift || "text/html"; my $is_mod_perl = defined($ENV{'MOD_PERL'}); if (defined($moddate)) { if ($is_mod_perl) { Apache->request->header_out(Last_modified => scalar gmtime($moddate) . " GMT"); } else { print "Last-Modified: " . scalar gmtime($moddate) . " GMT\n"; } } if ($is_mod_perl) { Apache->request->content_type($content_type); } else { print "Content-type: $content_type\n"; } if ($allow_compress && $maycompress) { my $fh = do {local(*FH);}; if (defined($GZIPBIN) && open($fh, "|$GZIPBIN -1 -c")) { if ($is_mod_perl) { Apache->request->content_encoding("x-gzip"); Apache->request->header_out(Vary => "Accept-Encoding"); Apache->request->send_http_header; } else { print "Content-encoding: x-gzip\n"; print "Vary: Accept-Encoding\n"; #RFC 2068, 14.43 print "\n"; # Close headers } $| = 1; $| = 0; # Flush header output select ($fh); # print "" if ($content_type eq "text/html"); } else { if ($is_mod_perl) { Apache->request->send_http_header; } else { print "\n"; # Close headers } print "Unable to find gzip binary in the \$PATH to compress output
"; } } else { if ($is_mod_perl) { Apache->request->send_http_header; } else { print "\n"; # Close headers } } } sub html_header($) { my ($title) = @_; http_header(); print < $title EOH print $stylesheet if ($stylesheet); print < $body_tag $logo

$title

EOH } sub html_footer { return "$hr$footer\n"; } sub link_tags { my ($tags) = @_; my ($ret) = ""; my ($fileurl,$filename); ($filename = $where) =~ s/^.*\///; $fileurl = urlencode($filename); foreach my $sym (split(", ", $tags)) { $ret .= ",\n" if ($ret ne ""); $ret .= "$sym"; } return $ret."\n"; } # # See if a module is listed in the config file's @HideModule list. # sub forbidden_module { my($module) = @_; return ($HideModules =~ /§$module§/); }