#!/usr/local/bin/perl -s # # cvsweb - a CGI interface to CVS trees. # # Written in their spare time by # Bill Fenner (original work) # extended by Henner Zeller , # Henrik Nordström # # 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. # # $Id: cvsweb.cgi,v 1.52 1999/01/17 19:39:06 hzeller Exp $ # ### ##### Start of Configuration Area ######## # == EDIT this == # User configuration is stored in $config = '/www-d0/room1/gwatts/public_html/cgi/cvsweb/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 = @tabcolors = (); $cvstreedefault = $body_tag = $logo = $defaulttitle = $address = $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 = $navigationHeaderColor = $tableBorderColor = $markupLogColor = $v = $tabstop = undef; ##### End of configuration variables ##### use Time::Local; use FileHandle; use IPC::Open2; $verbose = $v; $checkoutMagic = "~checkout~"; $doCheckout = ($ENV{'PATH_INFO'} =~ /^\/$checkoutMagic/); ($where = $ENV{'PATH_INFO'}) =~ s|^/($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 = $ENV{'HTTP_USER_AGENT'}; $nofilelinks=($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 :-/ $maycompress=($ENV{'HTTP_ACCEPT_ENCODING'} =~ m|gzip| || $Browser =~ m%^Mozilla/3%) && ($Browser !~ m/MSIE/); # 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"; } else { &fatal("500 Internal Error",'Configuration not found. set the variable $config in cvsweb.cgi to your cvsweb.conf configuration file first.'); } if ($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 . "&"; } $thisval = urlencode($_) . "=" . 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 $k (keys %ICONS) { ($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); # set CVSROOT for the cvs calls # we make (currently only co) $ENV{CVSROOT}=$cvsroot; if ( -d $fullname) { # # ensure, that directories always end with (exactly) one '/' # to allow relative URL's. If they're not, make a redirect. ## if (!($ENV{'PATH_INFO'} =~ m|/$|) || ($ENV{'PATH_INFO'} =~ m |/{2,}$|)) { redirect ($scriptwhere . '/' . $query); } else { print "did not redirect"; $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.'); } ############################## # View a directory ############################### if (-d $fullname) { opendir(DIR, $fullname) || &fatal("404 Not Found","$where: $!"); @dir = readdir(DIR); closedir(DIR); if ($where eq '/') { html_header("$defaulttitle"); print $long_intro; } else { html_header("$where"); print $short_instruction; } @subLevelFiles=findLastModifiedSubdirs(@dir) if $show_subdir_lastmod; getDirLogs($cvsroot,$where,@subLevelFiles); 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 "

\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. $infocols=0; if ($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"; } $dirrow = 0; lookingforattic: for ($i = 0; $i <= $#dir; $i++) { if ($dir[$i] eq "Attic") { last lookingforattic; } } if (!$input{'hideattic'} && ($i <= $#dir) && opendir(DIR, $fullname . "/Attic")) { splice(@dir, $i, 1, grep((s|^|Attic/|,!m|/\.|), readdir(DIR))); closedir(DIR); } $hideAtticToggleLink = "[Hide]" if (!$input{'hideattic'}); # Sort without the Attic/ pathname. # place directories first foreach (sort { &fileSortCmp } @dir) { if ($_ eq '.') { next; } # ignore CVS lock and stale NFS files next if /^#cvs\.|^,|^\.nfs/; 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; $rev='';$date='';$log=''; $filesexists++; print "Looking a file: $_\n"; print "fileinfo is $fileinfo{$_}"; (($rev,$date,$log,$author)=@{$fileinfo{$_}}) || next; print "Got a file: $_\n"; $filesfound++; print "" if ($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 "

"; } if (scalar %tags || $input{only_with_tag}) { print "
\n"; foreach $var (@stickyvars) { print "\n" if $input{$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"; } $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 $newname . ",v") { # The file has been removed and is in the Attic. # Send a redirect pointing to the file in the Attic. ($newplace = $scriptwhere) =~ s|/([^/]+)$|/Attic/$1|; &redirect($newplace); exit; } elsif (0 && (@files = &safeglob($fullname . ",v"))) { print "Content-type: text/plain\n\n"; 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 { # Assume it's a module name with a potential path following it. $xtra = $& if (($module = $where) =~ s|/.*||); # Is there an indexed version of modules? if (open(MODULES, "$cvsroot/CVSROOT/modules")) { while () { 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 ($lastmodtime) = undef; opendir(SUBDIR,$dir) || next; my (@filenames) = readdir(SUBDIR); closedir(SUBDIR); foreach $filename (@filenames) { $filename = "$dirname/$filename"; my ($file) = "$fullname/$filename"; next if $filename !~ /,v$/ || ! -f $file; $filename =~ s/,v$//; $modtime = -M $file; if (!defined $lastmod || $modtime < $lastmodtime) { $lastmod = $filename; $lastmodtime = $modtime; } } push(@files, $lastmod) if defined $lastmod; } return @files; } sub htmlify { local($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%?=&.~:/]+)§$1$2§; # 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 $string; } sub link { local($name, $where) = @_; return "$name\n"; } sub revcmp { local($rev1, $rev2) = @_; local(@r1) = split(/\./, $rev1); local(@r2) = split(/\./, $rev2); local($a,$b); while (($a = shift(@r1)) && ($b = shift(@r2))) { if ($a != $b) { return $a <=> $b; } } if (@r1) { return 1; } if (@r2) { return -1; } return 0; } sub fatal { local($errcode, $errmsg) = @_; print "Status: $errcode\n"; html_header("Error"); print "Error: $errmsg\n"; print &html_footer; exit(1); } sub redirect { local($url) = @_; print "Status: 301 Moved\n"; print "Location: $url\n"; html_header("Moved"); print "This document is located here.\n"; print &html_footer; exit(1); } sub safeglob { local($filename) = @_; local($dirname); local(@results); ($dirname = $filename) =~ s|/[^/]+$||; $filename =~ s|.*/||; if (opendir(DIR, $dirname)) { $glob = $filename; # 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(DIR)) { if (/^${glob}$/) { push(@results, $dirname . "/" .$_); } } } @results; } sub getMimeTypeFromSuffix { my ($fullname) = @_; local ($mimetype, $suffix); ($suffix = $fullname) =~ s/^.*\.([^.]*)$/$1/; $mimetype=$MTYPES{$suffix}; $mimetype=$MTYPES{'*'} if !$mimetype; if (!$mimetype && -f $mime_types) { # okey, this is something special - search the # mime.types database open (MIMETYPES, "<$mime_types"); while () { if ($_ =~ /^\s*(\S+\/\S+).*\b$suffix\b/) { $mimetype=$1; last; } } close (MIMETYPES); } # okey, didn't find anything useful .. if (!($mimetype =~ /\S\/\S/)) { $mimetype="text/plain"; } return $mimetype; } ############################### # show Annotation ############################### sub doAnnotate ($$) { my ($rev) = @_; local ($pid); # 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/^.*\///; $|=1; http_header(); navigateHeader ($scriptwhere,$pathname,$filename,$rev, "annotate"); print "

Annotation of $pathname$filename, Revision $rev

\n"; # 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"); Writer->autoflush(); # default here, actually # 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") @dirs = split (/\//, $where); $path = ""; foreach (@dirs) { if ($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; if ($annTable) { print "\n"; } else { print "
";
    }
    while () {
	@words = split;
	# Adding one is for the (single) space which follows $words[0].
	$rest = substr ($_, length ($words[0]) + 1);
	if ($words[0] eq "E") {
	    next;
	} elsif ($words[0] eq "M") {
	    $lineNr++;
	    $lrev = substr ($_, 2, 13);
	    $lusr = substr ($_, 16,  9);
	    $line = substr ($_, 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;
	    $isCurrentRev = ("$rev" eq "$lrev");
	    
	    print "" if ($isCurrentRev);
	    printf ("%8s%s%8s %4d:", $revprint, ($isCurrentRev ? "|" : " "), $usrprint, $lineNr);
	    print htmlify($line);
	    print "" if ($isCurrentRev);
	    print "
";	   
	} elsif ($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: $!"; } ############################### # make Checkout ############################### sub doCheckout { my ($fullname, $rev) = @_; my ($mimetype,$revopt); # 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"; } else { $revopt = ""; } # 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(CO, "cvs co -p $revopt '$where' 2>&1 |") || &fail("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 while() { 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"); } $| = 1; if ($mimetype eq "text/x-cvsweb-markup") { &cvswebMarkup(CO,$fullname,$revision); } else { print "Content-type: $mimetype\n\n"; print ; } close(CO); } sub cvswebMarkup { my ($filehandle,$fullname,$revision) = @_; my ($pathname, $filename); ($pathname = $where) =~ s/(Attic\/)?[^\/]*$//; ($filename = $where) =~ s/^.*\///; my ($fileurl) = urlencode($filename); http_header(); navigateHeader ($scriptwhere, $pathname, $filename, $revision, "view"); print "
"; print "
"; print "File: ", &clickablePath($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 $input{only_with_tag}; } print "
"; @content=<$filehandle>; $url = download_url($fileurl, $revision, $mimetype); print "
"; if ($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, $f) = @_; if ($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) { ($tmp1, $tmp2) = ($rev1, $sym1); ($rev1, $sym1) = ($rev2, $sym2); ($rev2, $sym2) = ($tmp1, $tmp2); } $human_readable = 0; if ($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(RCSDIFF, "cvs -d $cvsroot rdiff $difftype " . # "-r$rev1 -r$rev2 '$where' 2>&1 |") # || &fail("500 Internal Error", "Couldn't cvs rdiff: $!"); ### open(RCSDIFF, "rcsdiff $difftype -r$rev1 -r$rev2 '$fullname' 2>&1 |") || &fail("500 Internal Error", "Couldn't rcsdiff: $!"); if ($human_readable) { http_header(); &human_readable_diff($rev2); exit; } else { print "Content-type: text/plain\n\n"; } # #=================================================================== #RCS file: /home/ncvs/src/sys/netinet/tcp_output.c,v #retrieving revision 1.16 #retrieving revision 1.17 #diff -c -r1.16 -r1.17 #*** /home/ncvs/src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16 #--- /home/ncvs/src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 # # Ideas: # - nuke the stderr output if it's what we expect it to be # - Add "no differences found" if the diff command supplied no output. # #*** src/sys/netinet/tcp_output.c 1995/11/03 22:08:08 1.16 #--- src/sys/netinet/tcp_output.c 1995/12/05 17:46:35 1.17 RELENG_2_1_0 # (bogus example, but...) # if ($difftype eq '-u') { $f1 = '---'; $f2 = '\+\+\+'; } else { $f1 = '\*\*\*'; $f2 = '---'; } while () { if (m|^$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 $_; } close(RCSDIFF); } ############################### # Show Logs .. ############################### sub getDirLogs { my ($cvsroot,$dirname,@otherFiles) = @_; my ($state,$otherFiles,$tag, $file); $tag=$input{only_with_tag}; my ($DirName) = "$cvsroot/$where"; my (@files); push(@files, &safeglob("$DirName/*,v")); push(@files, &safeglob("$DirName/Attic/*,v")) if !$input{'hideattic'}; foreach $file (@otherFiles) { push(@files, "$DirName/$file"); } my ($filenames)=join("' '",@files); if ($tag) { #can't use -r as - is allowed in tagnames, but misinterpreated by rlog.. open(RLOGS, "rlog '$filenames' 2>/dev/null |") || &fatal("500 Internal Error", "Failed to spawn rlog"); } else { open(RLOGS, "rlog -r '$filenames' 2>/dev/null |") || &fatal("500 Internal Error", "Failed to spawn rlog"); } $state = "start"; while () { if ($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 $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 $filename =~ s%^$UnQuotDirName/%%; next; } if ($state eq "log") { if (/^----------------------------$/ || /^=============================/) { # End of a log entry. ($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 $verbose; @finfo = ($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+);|) { $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 (/^===============/) { $state="start"; next; } } close(RLOGS); } sub readLog { local($fullname,$revision) = @_; # local($curbranch,$symnames); #... if (defined $revision) { $revision="-r$revision"; } else { $revision=""; } print("Going to rlog '$fullname'\n") if ($verbose); open(RLOG, "rlog $revision '$fullname'|") || &fatal("500 Internal Error", "Failed to spawn rlog"); while () { 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 (!/^=========/) { $_ = ; last logentry if (!defined($_)); # 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: $_"); } $_ = ; 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+-]+))?|) { $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 () { print "L:", $_ if ($verbose); next line if (/^branches:\s/); last line if (/^----------------------------$/ || /^=========/); $log{$rev} .= $_; } print "E:", $_ if ($verbose); } close(RLOG); 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. $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. # 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=$2; $branch=$3; $branchrev = $head . ($head ne "" ? "." : "") . $branch; ($regex = $branchrev) =~ s/\./\\./g; $rev = $head; revision: foreach $r (@revorder) { if ($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 .= "