diff --git a/apps/files_external/3rdparty/composer.json b/apps/files_external/3rdparty/composer.json
index 3f237c827e..b70bf2931c 100644
--- a/apps/files_external/3rdparty/composer.json
+++ b/apps/files_external/3rdparty/composer.json
@@ -9,6 +9,6 @@
 	},
 	"require": {
 		"icewind/streams": "0.7.3",
-		"icewind/smb": "3.4.0"
+		"icewind/smb": "3.4.1"
 	}
 }
diff --git a/apps/files_external/3rdparty/composer.lock b/apps/files_external/3rdparty/composer.lock
index 7e180c3366..98afd1332e 100644
--- a/apps/files_external/3rdparty/composer.lock
+++ b/apps/files_external/3rdparty/composer.lock
@@ -4,20 +4,20 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "9905ed45527f669a4165a8b83b6e4141",
+    "content-hash": "dacbb67c9e2d1d46204d5b1a7f5cebc2",
     "packages": [
         {
             "name": "icewind/smb",
-            "version": "v3.4.0",
+            "version": "v3.4.1",
             "source": {
                 "type": "git",
                 "url": "https://github.com/icewind1991/SMB.git",
-                "reference": "b5c6921f2e91229c9f71556a4713b4fac91fd394"
+                "reference": "9dba42ab2a3990de29e18cc62b0a8270aceb74e3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/icewind1991/SMB/zipball/b5c6921f2e91229c9f71556a4713b4fac91fd394",
-                "reference": "b5c6921f2e91229c9f71556a4713b4fac91fd394",
+                "url": "https://api.github.com/repos/icewind1991/SMB/zipball/9dba42ab2a3990de29e18cc62b0a8270aceb74e3",
+                "reference": "9dba42ab2a3990de29e18cc62b0a8270aceb74e3",
                 "shasum": ""
             },
             "require": {
@@ -49,9 +49,9 @@
             "description": "php wrapper for smbclient and libsmbclient-php",
             "support": {
                 "issues": "https://github.com/icewind1991/SMB/issues",
-                "source": "https://github.com/icewind1991/SMB/tree/v3.4.0"
+                "source": "https://github.com/icewind1991/SMB/tree/v3.4.1"
             },
-            "time": "2021-03-10T14:00:37+00:00"
+            "time": "2021-04-19T13:53:08+00:00"
         },
         {
             "name": "icewind/streams",
diff --git a/apps/files_external/3rdparty/composer/InstalledVersions.php b/apps/files_external/3rdparty/composer/InstalledVersions.php
index 71cd811ef8..f28623ae66 100644
--- a/apps/files_external/3rdparty/composer/InstalledVersions.php
+++ b/apps/files_external/3rdparty/composer/InstalledVersions.php
@@ -30,7 +30,7 @@ private static $installed = array (
     'aliases' => 
     array (
     ),
-    'reference' => '62929cc646134fbd409cfb4eacb7039d15763b96',
+    'reference' => '9a69b8839389f133db55a41e1c2ba4435fd50c19',
     'name' => 'files_external/3rdparty',
   ),
   'versions' => 
@@ -42,16 +42,16 @@ private static $installed = array (
       'aliases' => 
       array (
       ),
-      'reference' => '62929cc646134fbd409cfb4eacb7039d15763b96',
+      'reference' => '9a69b8839389f133db55a41e1c2ba4435fd50c19',
     ),
     'icewind/smb' => 
     array (
-      'pretty_version' => 'v3.4.0',
-      'version' => '3.4.0.0',
+      'pretty_version' => 'v3.4.1',
+      'version' => '3.4.1.0',
       'aliases' => 
       array (
       ),
-      'reference' => 'b5c6921f2e91229c9f71556a4713b4fac91fd394',
+      'reference' => '9dba42ab2a3990de29e18cc62b0a8270aceb74e3',
     ),
     'icewind/streams' => 
     array (
diff --git a/apps/files_external/3rdparty/composer/installed.json b/apps/files_external/3rdparty/composer/installed.json
index e6950959c4..8f7b949ab0 100644
--- a/apps/files_external/3rdparty/composer/installed.json
+++ b/apps/files_external/3rdparty/composer/installed.json
@@ -2,17 +2,17 @@
     "packages": [
         {
             "name": "icewind/smb",
-            "version": "v3.4.0",
-            "version_normalized": "3.4.0.0",
+            "version": "v3.4.1",
+            "version_normalized": "3.4.1.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/icewind1991/SMB.git",
-                "reference": "b5c6921f2e91229c9f71556a4713b4fac91fd394"
+                "reference": "9dba42ab2a3990de29e18cc62b0a8270aceb74e3"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/icewind1991/SMB/zipball/b5c6921f2e91229c9f71556a4713b4fac91fd394",
-                "reference": "b5c6921f2e91229c9f71556a4713b4fac91fd394",
+                "url": "https://api.github.com/repos/icewind1991/SMB/zipball/9dba42ab2a3990de29e18cc62b0a8270aceb74e3",
+                "reference": "9dba42ab2a3990de29e18cc62b0a8270aceb74e3",
                 "shasum": ""
             },
             "require": {
@@ -25,7 +25,7 @@
                 "phpunit/phpunit": "^8.5|^9.3.8",
                 "psalm/phar": "^4.3"
             },
-            "time": "2021-03-10T14:00:37+00:00",
+            "time": "2021-04-19T13:53:08+00:00",
             "type": "library",
             "installation-source": "dist",
             "autoload": {
@@ -46,7 +46,7 @@
             "description": "php wrapper for smbclient and libsmbclient-php",
             "support": {
                 "issues": "https://github.com/icewind1991/SMB/issues",
-                "source": "https://github.com/icewind1991/SMB/tree/v3.4.0"
+                "source": "https://github.com/icewind1991/SMB/tree/v3.4.1"
             },
             "install-path": "../icewind/smb"
         },
diff --git a/apps/files_external/3rdparty/composer/installed.php b/apps/files_external/3rdparty/composer/installed.php
index 8d83406926..17718bf45f 100644
--- a/apps/files_external/3rdparty/composer/installed.php
+++ b/apps/files_external/3rdparty/composer/installed.php
@@ -6,7 +6,7 @@
     'aliases' => 
     array (
     ),
-    'reference' => '62929cc646134fbd409cfb4eacb7039d15763b96',
+    'reference' => '9a69b8839389f133db55a41e1c2ba4435fd50c19',
     'name' => 'files_external/3rdparty',
   ),
   'versions' => 
@@ -18,16 +18,16 @@
       'aliases' => 
       array (
       ),
-      'reference' => '62929cc646134fbd409cfb4eacb7039d15763b96',
+      'reference' => '9a69b8839389f133db55a41e1c2ba4435fd50c19',
     ),
     'icewind/smb' => 
     array (
-      'pretty_version' => 'v3.4.0',
-      'version' => '3.4.0.0',
+      'pretty_version' => 'v3.4.1',
+      'version' => '3.4.1.0',
       'aliases' => 
       array (
       ),
-      'reference' => 'b5c6921f2e91229c9f71556a4713b4fac91fd394',
+      'reference' => '9dba42ab2a3990de29e18cc62b0a8270aceb74e3',
     ),
     'icewind/streams' => 
     array (
diff --git a/apps/files_external/3rdparty/icewind/smb/src/AnonymousAuth.php b/apps/files_external/3rdparty/icewind/smb/src/AnonymousAuth.php
index 0f3524002b..302a249c8f 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/AnonymousAuth.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/AnonymousAuth.php
@@ -21,6 +21,8 @@
 
 namespace Icewind\SMB;
 
+use Icewind\SMB\Exception\Exception;
+
 class AnonymousAuth implements IAuth {
 	public function getUsername(): ?string {
 		return null;
@@ -39,6 +41,8 @@ class AnonymousAuth implements IAuth {
 	}
 
 	public function setExtraSmbClientOptions($smbClientState): void {
-		smbclient_option_set($smbClientState, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, true);
+		if (smbclient_option_set($smbClientState, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, true) === false) {
+			throw new Exception("Failed to set smbclient options for anonymous auth");
+		}
 	}
 }
diff --git a/apps/files_external/3rdparty/icewind/smb/src/KerberosAuth.php b/apps/files_external/3rdparty/icewind/smb/src/KerberosAuth.php
index 7cd9258465..68fb74ff9a 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/KerberosAuth.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/KerberosAuth.php
@@ -21,6 +21,8 @@
 
 namespace Icewind\SMB;
 
+use Icewind\SMB\Exception\Exception;
+
 /**
  * Use existing kerberos ticket to authenticate
  */
@@ -42,7 +44,11 @@ class KerberosAuth implements IAuth {
 	}
 
 	public function setExtraSmbClientOptions($smbClientState): void {
-		smbclient_option_set($smbClientState, SMBCLIENT_OPT_USE_KERBEROS, true);
-		smbclient_option_set($smbClientState, SMBCLIENT_OPT_FALLBACK_AFTER_KERBEROS, false);
+		$success = (bool)smbclient_option_set($smbClientState, SMBCLIENT_OPT_USE_KERBEROS, true);
+		$success = $success && smbclient_option_set($smbClientState, SMBCLIENT_OPT_FALLBACK_AFTER_KERBEROS, false);
+
+		if (!$success) {
+			throw new Exception("Failed to set smbclient options for kerberos auth");
+		}
 	}
 }
diff --git a/apps/files_external/3rdparty/icewind/smb/src/Native/NativeState.php b/apps/files_external/3rdparty/icewind/smb/src/Native/NativeState.php
index 10ba6ce045..e1a13ce3e7 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/Native/NativeState.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/Native/NativeState.php
@@ -97,14 +97,13 @@ class NativeState {
 		/** @var resource $state */
 		$state = smbclient_state_new();
 		$this->state = $state;
+		/** @psalm-suppress UnusedFunctionCall */
 		smbclient_option_set($this->state, SMBCLIENT_OPT_AUTO_ANONYMOUS_LOGIN, false);
+		/** @psalm-suppress UnusedFunctionCall */
 		smbclient_option_set($this->state, SMBCLIENT_OPT_TIMEOUT, $options->getTimeout() * 1000);
 
 		if (function_exists('smbclient_client_protocols')) {
-			$maxProtocol = $options->getMaxProtocol();
-			$minProtocol = $options->getMinProtocol();
-
-			smbclient_client_protocols($this->state, $minProtocol, $maxProtocol);
+			smbclient_client_protocols($this->state, $options->getMinProtocol(), $options->getMaxProtocol());
 		}
 
 		$auth->setExtraSmbClientOptions($this->state);
@@ -357,7 +356,9 @@ class NativeState {
 
 	public function __destruct() {
 		if ($this->connected) {
-			smbclient_state_free($this->state);
+			if (smbclient_state_free($this->state) === false) {
+				throw new Exception("Failed to free smb state");
+			}
 		}
 	}
 }
diff --git a/apps/files_external/3rdparty/icewind/smb/src/Native/NativeStream.php b/apps/files_external/3rdparty/icewind/smb/src/Native/NativeStream.php
index 216c27f78e..624ef829d7 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/Native/NativeStream.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/Native/NativeStream.php
@@ -52,7 +52,9 @@ abstract class NativeStream implements File {
 	 * @return resource
 	 */
 	protected static function wrapClass(NativeState $state, $smbStream, string $mode, string $url, string $class) {
-		stream_wrapper_register('nativesmb', $class);
+		if (stream_wrapper_register('nativesmb', $class) === false) {
+			throw new Exception("Failed to register stream wrapper");
+		}
 		$context = stream_context_create([
 			'nativesmb' => [
 				'state'  => $state,
@@ -61,7 +63,9 @@ abstract class NativeStream implements File {
 			]
 		]);
 		$fh = fopen('nativesmb://', $mode, false, $context);
-		stream_wrapper_unregister('nativesmb');
+		if (stream_wrapper_unregister('nativesmb') === false) {
+			throw new Exception("Failed to unregister stream wrapper");
+		}
 		return $fh;
 	}
 
diff --git a/apps/files_external/3rdparty/icewind/smb/src/StringBuffer.php b/apps/files_external/3rdparty/icewind/smb/src/StringBuffer.php
index 8566121876..c1963df484 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/StringBuffer.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/StringBuffer.php
@@ -44,7 +44,7 @@ class StringBuffer {
 	}
 
 	public function read(int $count): string {
-		$chunk = substr($this->buffer, $this->pos, $this->pos + $count);
+		$chunk = substr($this->buffer, $this->pos, $count);
 		$this->pos += strlen($chunk);
 		return $chunk;
 	}
diff --git a/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Server.php b/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Server.php
index 60cc9278dd..dd8513eafd 100644
--- a/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Server.php
+++ b/apps/files_external/3rdparty/icewind/smb/src/Wrapped/Server.php
@@ -88,7 +88,7 @@ class Server extends AbstractServer {
 		$shareNames = $parser->parseListShares($output);
 
 		$shares = [];
-		foreach ($shareNames as $name => $description) {
+		foreach ($shareNames as $name => $_description) {
 			$shares[] = $this->getShare($name);
 		}
 		return $shares;