X-Git-Url: https://jasonwoof.com/gitweb/?p=wfpl.git;a=blobdiff_plain;f=tar.php;h=d5f7021d154a1bf0763f2e3310ad9b9b661674d6;hp=2535a90df8697703b0797b649718e838e12cbacb;hb=HEAD;hpb=856f805c6cbb6e712c662214f3b5821442f808a0

diff --git a/tar.php b/tar.php
index 2535a90..d5f7021 100644
--- a/tar.php
+++ b/tar.php
@@ -1,19 +1,9 @@
 <?php
 
-#  Copyright (C) 2006 Jason Woofenden
-#
-#  This program is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#  
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#  
-#  You should have received a copy of the GNU General Public License
-#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# This program is in the public domain within the United States. Additionally,
+# we waive copyright and related rights in the work worldwide through the CC0
+# 1.0 Universal public domain dedication, which can be found at
+# http://creativecommons.org/publicdomain/zero/1.0/
 
 
 # This file is for making a tar archive out of some strings you pass. See
@@ -38,13 +28,21 @@ function write_file($name, $data) {
 #    $dirname: the name of the tar file (sans "tgz"). Also the name of the directory within.
 #    $files: a hash. The keys are the filenames, the values the file data
 #    $extra: (optional) a function to be called right before tar-ing.
-function make_tar($dirname, $files, $extra = '') {
-	$tmpdir = '/tmp/make_tar';
-	$dirname = ereg_replace('[^a-z0-9_-]', '', $dirname);
-	if($dirname == '') $dirname = 'foo';
-	if(!file_exists($tmpdir)) {
-		mkdir($tmpdir);
+function make_tar($dirname, $files, $pre_archive_func = false, $tmpdir = false) {
+	if(!$tmpdir) {
+		if(isset($GLOBALS['wfpl_tmpdir']) && $GLOBALS['wfpl_tmpdir']) {
+			$tmpdir = $GLOBALS['wfpl_tmpdir'];
+		} else {
+			$tmpdir = 'tmp';
+		}
 	}
+
+	# user is choosing a very non-unique directory name, so make a random one to put it in
+	$tmpdir .= '/' . sprintf('%08x%08x', mt_rand(), mt_rand());
+	mkdir($tmpdir);
+
+	$dirname = preg_replace('|[^a-z0-9_-]|i', '', $dirname);
+	if($dirname == '') $dirname = 'foo';
 	mkdir("$tmpdir/$dirname");
 	foreach($files as $filename => $file_data) {
 		if(substr($filename, -3) == ' ->') {
@@ -53,35 +51,35 @@ function make_tar($dirname, $files, $extra = '') {
 		} else {
 			$link = false;
 		}
-		$filename_fixed = ereg_replace('[^a-zA-Z0-9_.-]', '', $filename);
+		$filename_fixed = preg_replace('|[^a-z0-9_.-]|i', '', $filename);
 		if($filename != $filename_fixed) {
 			die("Invalid filename for tar archive");
 		}
 		if($link) {
-			$target = ereg_replace('[^a-zA-Z0-9_./-]', '', $file_data);
+			$target = preg_replace('|[^a-z0-9_./-]|i', '', $file_data);
 			system("/bin/ln -s $file_data \"$tmpdir/$dirname/$filename\"");
 		} else {
 			write_file("$tmpdir/$dirname/$filename", $file_data);
 		}
 	}
 
-	if(function_exists($extra)) {
-		$extra("$tmpdir/$dirname");
+	if($pre_archive_func && function_exists($pre_archive_func)) {
+		$pre_archive_func("$tmpdir/$dirname");
 	}
 
 	header("Content-type: application/x-gzip");
 	passthru("tar -C $tmpdir -czf - $dirname/");
-	system("/bin/rm -rf '$tmpdir/$dirname'");
+	system('/bin/rm -rf ' . escapeshellarg($tmpdir));
 }
 
-# like make_tar above, except it includes a copy of code/wfpl
+# like make_tar above, except it includes a copy of wfpl
 function make_wfpl_tar($dirname, $files) {
 	make_tar($dirname, $files, 'add_wfpl_dir');
 }
 
 function add_wfpl_dir($dir) {
 	mkdir("$dir/code");
-	system("rsync -plr --exclude=\".git\" --exclude=\"*.swp\" 'code/wfpl/' '$dir/code/wfpl/'", $return_code);
+	system("rsync -plr --exclude=\".git\" --exclude=\"*.swp\" 'inc/wfpl/' '$dir/inc/wfpl/'", $return_code);
 	if($return_code != 0) {
 		die("ERROR: while trying to copy wfpl into archive: rsync returned $return_code");
 	}