From 568d64e73ec1ec4ecfcb3b290dfc9a77924224da Mon Sep 17 00:00:00 2001
From: ryan <ryan@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Sun, 16 Mar 2008 09:49:10 +0000
Subject: [PATCH] FTP CWD fixes from DD32. see #6245

git-svn-id: http://svn.automattic.com/wordpress/trunk@7327 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/class-ftp.php                  |  2 +-
 wp-admin/includes/class-wp-filesystem-ftpext.php | 16 ++++++++++------
 .../includes/class-wp-filesystem-ftpsockets.php  |  8 +++++---
 wp-admin/includes/file.php                       |  2 +-
 4 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/wp-admin/includes/class-ftp.php b/wp-admin/includes/class-ftp.php
index bc2720ab6c..c10526bddb 100644
--- a/wp-admin/includes/class-ftp.php
+++ b/wp-admin/includes/class-ftp.php
@@ -317,7 +317,7 @@ class ftp_base {
 	function pwd() {
 		if(!$this->_exec("PWD", "pwd")) return FALSE;
 		if(!$this->_checkCode()) return FALSE;
-		return ereg_replace("^[0-9]{3} \"(.+)\" .+".CRLF, "\\1", $this->_message);
+		return ereg_replace("^[0-9]{3} \"(.+)\".+", "\\1", $this->_message);
 	}
 
 	function cdup() {
diff --git a/wp-admin/includes/class-wp-filesystem-ftpext.php b/wp-admin/includes/class-wp-filesystem-ftpext.php
index 9645f8d892..88d806872c 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpext.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpext.php
@@ -162,7 +162,10 @@ class WP_Filesystem_FTPext{
 		return $ret;
 	}
 	function cwd(){
-		return ftp_pwd($this->link);
+		$cwd = ftp_pwd($this->link);
+		if( $cwd )
+			$cwd = trailingslashit($cwd);
+		return $cwd;
 	}
 	function chdir($dir){
 		return @ftp_chdir($dir);
@@ -308,8 +311,9 @@ class WP_Filesystem_FTPext{
 	}
 	function is_dir($path){
 		$cwd = $this->cwd();
-		@ftp_chdir($this->link, $path);
-		if ( $this->cwd() != $cwd ) {
+		$result = @ftp_chdir($this->link, $path);
+		if( $result && $path == $this->cwd() ||
+			$this->cwd() != $cwd ) {
 			@ftp_chdir($this->link, $cwd);
 			return true;
 		}
@@ -425,9 +429,9 @@ class WP_Filesystem_FTPext{
 		} else {
 			$limitFile = false;
 		}
-		//if( ! $this->is_dir($path) )
-		//	return false;
-		$list = ftp_rawlist($this->link , '-a ' . $path, false);
+
+		$list = @ftp_rawlist($this->link , '-a ' . $path, false);
+
 		if ( $list === false )
 			return false;
 
diff --git a/wp-admin/includes/class-wp-filesystem-ftpsockets.php b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
index 6b60e9b308..b9f188ecad 100644
--- a/wp-admin/includes/class-wp-filesystem-ftpsockets.php
+++ b/wp-admin/includes/class-wp-filesystem-ftpsockets.php
@@ -176,7 +176,10 @@ class WP_Filesystem_ftpsockets{
 	}
 
 	function cwd(){
-		return $this->ftp->pwd();
+		$cwd = $this->ftp->pwd();
+		if( $cwd )
+			$cwd = trailingslashit($cwd);
+		return $cwd;
 	}
 
 	function chdir($file){
@@ -388,8 +391,7 @@ class WP_Filesystem_ftpsockets{
 		} else {
 			$limitFile = false;
 		}
-		//if( ! $this->is_dir($path) )
-		//	return false;
+
 		$list = $this->ftp->dirlist($path);
 		if( ! $list )
 			return false;
diff --git a/wp-admin/includes/file.php b/wp-admin/includes/file.php
index 4f5d96b7c8..e7ccfcc386 100644
--- a/wp-admin/includes/file.php
+++ b/wp-admin/includes/file.php
@@ -325,7 +325,7 @@ function get_filesystem_method() {
 	}
 
 	if ( extension_loaded('ftp') ) return 'ftpext';
-	if ( extension_loaded('sockets') ) return 'ftpsockets';
+	if ( extension_loaded('sockets') || function_exists('fsockopen') ) return 'ftpsockets'; //Sockets: Socket extension; PHP Mode: FSockopen / fwrite / fread
 	return false;
 }