From 38b77e07d1350b86e0f5bd42c232b6b6e92f2e2d Mon Sep 17 00:00:00 2001
From: DiscuzX <153619335@qq.com>
Date: Wed, 21 Apr 2021 00:12:51 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8DFTP=E8=BF=9C=E7=A8=8B?=
 =?UTF-8?q?=E9=99=84=E4=BB=B6=E7=9B=B8=E5=85=B3BUG?=
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Content-Transfer-Encoding: 8bit

---
 upload/source/function/function_core.php        | 4 ++--
 upload/source/module/forum/forum_attachment.php | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/upload/source/function/function_core.php b/upload/source/function/function_core.php
index 9ea09b16f..b0b0bf147 100644
--- a/upload/source/function/function_core.php
+++ b/upload/source/function/function_core.php
@@ -1543,8 +1543,8 @@ function dreferer($default = '') {
 
 function ftpcmd($cmd, $arg1 = '') {
 	static $ftp;
-	$ftpon = getglobal('setting/ftp/on');
-	if(!$ftpon) {
+	$ftpconfig = getglobal('setting/ftp');
+	if(empty($ftpconfig['on']) || empty($ftpconfig['host'])) {
 		return $cmd == 'error' ? -101 : 0;
 	} elseif($ftp == null) {
 		$ftp = & discuz_ftp::instance();
diff --git a/upload/source/module/forum/forum_attachment.php b/upload/source/module/forum/forum_attachment.php
index 2a61aee9e..f933b3bf4 100644
--- a/upload/source/module/forum/forum_attachment.php
+++ b/upload/source/module/forum/forum_attachment.php
@@ -309,7 +309,7 @@ function getremotefile($file) {
 	if(!@readfile($_G['setting']['ftp']['attachurl'].'forum/'.$file)) {
 		$ftp = ftpcmd('object');
 		$tmpfile = @tempnam($_G['setting']['attachdir'], '');
-		if($ftp->ftp_get($tmpfile, 'forum/'.$file, FTP_BINARY)) {
+		if(is_object($ftp) && $ftp->ftp_get($tmpfile, 'forum/'.$file, FTP_BINARY)) {
 			@readfile($tmpfile);
 			@unlink($tmpfile);
 		} else {
-- 
Gitee