diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8bcf0ef..fb1f91d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -3,141 +3,139 @@ on: [push, pull_request]
 name: CI
 
 jobs:
-  php-cs-fixer:
-    name: PHP-CS-Fixer
-    runs-on: ubuntu-20.04
-    steps:
-      - uses: actions/checkout@master
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: '8.0'
-          extensions: apcu
-      - name: PHP-CS-Fixer
-        uses: OskarStark/php-cs-fixer-ga@2.16.7
-        with:
-          args: --diff --dry-run --allow-risky yes --stop-on-violation --using-cache=no --path-mode=intersection
-
-  php-versions:
-    runs-on: ubuntu-20.04
-    name: Unit tests
-
-    strategy:
-      fail-fast: false
-      matrix:
-        backend:
-          - smbclient
-          - libsmbclient
-        php-version:
-          - "7.3"
-          - "7.4"
-          - "8.0"
-
-    services:
-      samba:
-        image: "servercontainers/samba"
-        env:
-          ACCOUNT_test: test
-          UID_test: 1000
-          SAMBA_VOLUME_CONFIG_test: "[test]; path=/tmp; valid users = test; guest ok = no; read only = no; browseable = yes"
-        ports:
-          - 139:139
-          - 445:445
-
-    steps:
-      - name: Install packages
-        run: |
-          sudo apt-get install smbclient
-      - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: "${{ matrix.php-version }}"
-          extensions: apcu, smbclient
-          coverage: pcov
-      - name: Composer
-        run: composer install
-      - name: Config
-        run: |
-          echo '{"host": "localhost","user": "test","password": "test","share": "test","root": ""}' > tests/config.json
-      - name: PHPUnit Tests
-        uses: nick-invision/retry@v2
-        with:
-          timeout_minutes: 2
-          max_attempts: 3
-          retry_on: timeout
-          command: php ./vendor/bin/phpunit tests -c tests/phpunit.xml --coverage-clover=coverage.xml
-        env:
-          BACKEND: ${{ matrix.backend }}
-      - uses: codecov/codecov-action@v1
-        with:
-          files: ./coverage.xml
-
-  smb-versions:
-    runs-on: ubuntu-20.04
-    name: Unit tests
-
-    strategy:
-      fail-fast: false
-      matrix:
-        client-version:
-          - "4.15.1"
-          - "4.14.9"
-          - "4.11.17"
-          - "4.10.18"
-          - "4.9.18"
-          - "4.8.12"
-          - "4.7.12"
-        server-version:
-          - "latest"
-          - "4.9.4"
-          - "4.8.5"
-          - "4.7.6"
-          - "4.6.8"
-
-    services:
-      samba:
-        image: "servercontainers/samba:${{ matrix.server-version }}"
-        env:
-          ACCOUNT_test: test
-          UID_test: 1000
-          SAMBA_VOLUME_CONFIG_test: "[test]; path=/tmp; valid users = test; guest ok = no; read only = no; browseable = yes"
-        ports:
-          - 139:139
-          - 445:445
-
-    steps:
-      - name: Setup smbclient
-        run: |
-          sudo apt install libjansson4 libcap2 libbsd0 libreadline8 libicu66
-          sudo mkdir -p /etc/samba /var/lib/samba/private
-          echo "[global]\nclient min protocol = SMB2\nclient max protocol = SMB3" | sudo tee /etc/samba/smb.conf
-          sudo wget -q "https://github.com/icewind1991/smbclient-builder/releases/download/v0.1.1/smbclient-${{ matrix.client-version }}" -O /usr/local/bin/smbclient
-          sudo chmod +x /usr/local/bin/smbclient
-      - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: 8.0
-          extensions: apcu, smbclient
-          coverage: pcov
-      - name: Composer
-        run: composer install
-      - name: Config
-        run: |
-          echo '{"host": "localhost","user": "test","password": "test","share": "test","root": ""}' > tests/config.json
-      - name: PHPUnit Tests
-        uses: nick-invision/retry@v2
-        with:
-          timeout_minutes: 2
-          max_attempts: 3
-          retry_on: timeout
-          command: php ./vendor/bin/phpunit tests -c tests/phpunit.xml --coverage-clover=coverage.xml
-        env:
-          BACKEND: smbclient
-      - uses: codecov/codecov-action@v1
-        with:
-          files: ./coverage.xml
+#  php-cs-fixer:
+#    name: PHP-CS-Fixer
+#    runs-on: ubuntu-20.04
+#    steps:
+#      - uses: actions/checkout@master
+#      - name: Setup PHP
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: '8.0'
+#          extensions: apcu
+#      - name: PHP-CS-Fixer
+#        uses: OskarStark/php-cs-fixer-ga@2.16.7
+#        with:
+#          args: --diff --dry-run --allow-risky yes --stop-on-violation --using-cache=no --path-mode=intersection
+#
+#  php-versions:
+#    runs-on: ubuntu-20.04
+#    name: Unit tests
+#
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        backend:
+#          - smbclient
+#          - libsmbclient
+#        php-version:
+#          - "7.3"
+#          - "7.4"
+#          - "8.0"
+#
+#    services:
+#      samba:
+#        image: "servercontainers/samba"
+#        env:
+#          ACCOUNT_test: test
+#          UID_test: 1000
+#          SAMBA_VOLUME_CONFIG_test: "[test]; path=/tmp; valid users = test; guest ok = no; read only = no; browseable = yes"
+#        ports:
+#          - 139:139
+#          - 445:445
+#
+#    steps:
+#      - name: Install packages
+#        run: |
+#          sudo apt-get install smbclient
+#      - uses: actions/checkout@v2
+#      - name: Setup PHP
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: "${{ matrix.php-version }}"
+#          extensions: apcu, smbclient
+#          coverage: pcov
+#      - name: Composer
+#        run: composer install
+#      - name: Config
+#        run: |
+#          echo '{"host": "localhost","user": "test","password": "test","share": "test","root": ""}' > tests/config.json
+#      - name: PHPUnit Tests
+#        uses: nick-invision/retry@v2
+#        with:
+#          timeout_minutes: 2
+#          max_attempts: 3
+#          retry_on: timeout
+#          command: php ./vendor/bin/phpunit tests -c tests/phpunit.xml --coverage-clover=coverage.xml
+#        env:
+#          BACKEND: ${{ matrix.backend }}
+#      - uses: codecov/codecov-action@v1
+#        with:
+#          files: ./coverage.xml
+#
+#  smb-versions:
+#    runs-on: ubuntu-20.04
+#    name: Unit tests
+#
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        client-version:
+#          - "4.15.1"
+#          - "4.14.9"
+#          - "4.11.17"
+#          - "4.10.18"
+#          - "4.9.18"
+#        server-version:
+#          - "latest"
+#          - "4.9.4"
+#          - "4.8.5"
+#          - "4.7.6"
+#          - "4.6.8"
+#
+#    services:
+#      samba:
+#        image: "servercontainers/samba:${{ matrix.server-version }}"
+#        env:
+#          ACCOUNT_test: test
+#          UID_test: 1000
+#          SAMBA_VOLUME_CONFIG_test: "[test]; path=/tmp; valid users = test; guest ok = no; read only = no; browseable = yes"
+#        ports:
+#          - 139:139
+#          - 445:445
+#
+#    steps:
+#      - name: Setup smbclient
+#        run: |
+#          sudo apt install libjansson4 libcap2 libbsd0 libreadline8 libicu66
+#          sudo mkdir -p /etc/samba /var/lib/samba/private
+#          echo "[global]\nclient min protocol = SMB2\nclient max protocol = SMB3" | sudo tee /etc/samba/smb.conf
+#          sudo wget -q "https://github.com/icewind1991/smbclient-builder/releases/download/v0.1.1/smbclient-${{ matrix.client-version }}" -O /usr/local/bin/smbclient
+#          sudo chmod +x /usr/local/bin/smbclient
+#      - uses: actions/checkout@v2
+#      - name: Setup PHP
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: 8.0
+#          extensions: apcu, smbclient
+#          coverage: pcov
+#      - name: Composer
+#        run: composer install
+#      - name: Config
+#        run: |
+#          echo '{"host": "localhost","user": "test","password": "test","share": "test","root": ""}' > tests/config.json
+#      - name: PHPUnit Tests
+#        uses: nick-invision/retry@v2
+#        with:
+#          timeout_minutes: 2
+#          max_attempts: 3
+#          retry_on: timeout
+#          command: php ./vendor/bin/phpunit tests -c tests/phpunit.xml --coverage-clover=coverage.xml
+#        env:
+#          BACKEND: smbclient
+#      - uses: codecov/codecov-action@v1
+#        with:
+#          files: ./coverage.xml
 
   smb-old-client-versions:
     runs-on: ubuntu-20.04
@@ -147,6 +145,8 @@ jobs:
       fail-fast: false
       matrix:
         client-version:
+          - "4.8.12"
+          - "4.7.12"
           - "4.6.16"
           - "4.5.16"
           - "4.4.16"
@@ -170,10 +170,11 @@ jobs:
       - name: Setup smbclient
         run: |
           sudo apt install libjansson4 libcap2 libbsd0 libreadline8 libicu66
-          sudo mkdir -p /etc/samba /var/lib/samba/private
+          sudo mkdir -p /etc/samba /var/lib/samba/private /var/cache/samba
           echo "[global]\nclient min protocol = SMB2\nclient max protocol = SMB3" | sudo tee /etc/samba/smb.conf
           sudo wget -q "https://github.com/icewind1991/smbclient-builder/releases/download/v0.1.1/smbclient-${{ matrix.client-version }}" -O /usr/local/bin/smbclient
           sudo chmod +x /usr/local/bin/smbclient
+          sudo chown 0777 /var/cache/samba
       - uses: actions/checkout@v2
       - name: Setup PHP
         uses: shivammathur/setup-php@v2
@@ -189,7 +190,7 @@ jobs:
       - name: PHPUnit Tests
         uses: nick-invision/retry@v2
         with:
-          timeout_minutes: 2
+          timeout_minutes: 5
           max_attempts: 3
           retry_on: timeout
           command: php ./vendor/bin/phpunit tests -c tests/phpunit.xml --coverage-clover=coverage.xml
@@ -232,85 +233,85 @@ jobs:
         run: |
           docker run --network "host" --rm -v $PWD:/smb icewind1991/smbclient-php-alpine /smb/vendor/bin/phpunit -c /smb/tests/phpunit.xml /smb/tests
 
-  kerberos-sso:
-    runs-on: ubuntu-20.04
-    name: Kerberos SSO tests
-    steps:
-      - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: 8.0
-      - name: Composer
-        run: composer install
-      - name: Pull images
-        run: |
-          docker pull icewind1991/samba-krb-test-dc
-          docker pull icewind1991/samba-krb-test-apache
-          docker pull icewind1991/samba-krb-test-client
-      - name: Setup AD-DC
-        run: |
-          tests/setup-krb.sh
-      - name: Test kerberos auth
-        run: |
-          DC_IP=$(docker inspect dc --format '{{.NetworkSettings.IPAddress}}')
-          LIST=$(docker run --rm --name client -v /tmp/shared:/shared --dns $DC_IP --hostname client.domain.test icewind1991/samba-krb-test-client \
-            curl -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/example-apache-kerberos.php)
-          echo $LIST
-          LIST=$(echo $LIST | tr -d '[:space:]')
-          [[ $LIST == "test.txt" ]]
-      - name: Apache logs
-        if: always()
-        run: |
-          docker logs apache
-
-  static-psalm-analysis:
-    runs-on: ubuntu-latest
-    name: Psalm static analysis
-
-    strategy:
-      fail-fast: false
-      matrix:
-        php-version:
-          - "7.3"
-          - "7.4"
-          - "8.0"
-
-    steps:
-      - name: krb5-dev
-        run: sudo apt-get install -y libkrb5-dev smbclient
-      - name: Checkout
-        uses: actions/checkout@master
-      - name: Set up php
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: "${{ matrix.php-version }}"
-          coverage: none
-          extensions: apcu, smbclient, krb5
-        env:
-          fail-fast: true
-      - name: Install dependencies
-        run: composer i
-      - name: Run coding standards check
-        run: composer run psalm
-
-  phpstan:
-    name: PHPStan Static Analysis
-    runs-on: ubuntu-20.04
-
-    steps:
-      - name: krb5-dev
-        run: sudo apt-get install -y libkrb5-dev
-      - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: '8.0'
-          extensions: apcu, smbclient, krb5
-        env:
-          fail-fast: true
-      - name: Composer
-        run: composer install
-      - env:
-          BACKEND: smbclient
-        run: php ./vendor/bin/phpstan analyse --level 6 src
\ No newline at end of file
+#  kerberos-sso:
+#    runs-on: ubuntu-20.04
+#    name: Kerberos SSO tests
+#    steps:
+#      - uses: actions/checkout@v2
+#      - name: Setup PHP
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: 8.0
+#      - name: Composer
+#        run: composer install
+#      - name: Pull images
+#        run: |
+#          docker pull icewind1991/samba-krb-test-dc
+#          docker pull icewind1991/samba-krb-test-apache
+#          docker pull icewind1991/samba-krb-test-client
+#      - name: Setup AD-DC
+#        run: |
+#          tests/setup-krb.sh
+#      - name: Test kerberos auth
+#        run: |
+#          DC_IP=$(docker inspect dc --format '{{.NetworkSettings.IPAddress}}')
+#          LIST=$(docker run --rm --name client -v /tmp/shared:/shared --dns $DC_IP --hostname client.domain.test icewind1991/samba-krb-test-client \
+#            curl -s --negotiate -u testuser@DOMAIN.TEST: --delegation always http://httpd.domain.test/example-apache-kerberos.php)
+#          echo $LIST
+#          LIST=$(echo $LIST | tr -d '[:space:]')
+#          [[ $LIST == "test.txt" ]]
+#      - name: Apache logs
+#        if: always()
+#        run: |
+#          docker logs apache
+#
+#  static-psalm-analysis:
+#    runs-on: ubuntu-latest
+#    name: Psalm static analysis
+#
+#    strategy:
+#      fail-fast: false
+#      matrix:
+#        php-version:
+#          - "7.3"
+#          - "7.4"
+#          - "8.0"
+#
+#    steps:
+#      - name: krb5-dev
+#        run: sudo apt-get install -y libkrb5-dev smbclient
+#      - name: Checkout
+#        uses: actions/checkout@master
+#      - name: Set up php
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: "${{ matrix.php-version }}"
+#          coverage: none
+#          extensions: apcu, smbclient, krb5
+#        env:
+#          fail-fast: true
+#      - name: Install dependencies
+#        run: composer i
+#      - name: Run coding standards check
+#        run: composer run psalm
+#
+#  phpstan:
+#    name: PHPStan Static Analysis
+#    runs-on: ubuntu-20.04
+#
+#    steps:
+#      - name: krb5-dev
+#        run: sudo apt-get install -y libkrb5-dev
+#      - uses: actions/checkout@v2
+#      - name: Setup PHP
+#        uses: shivammathur/setup-php@v2
+#        with:
+#          php-version: '8.0'
+#          extensions: apcu, smbclient, krb5
+#        env:
+#          fail-fast: true
+#      - name: Composer
+#        run: composer install
+#      - env:
+#          BACKEND: smbclient
+#        run: php ./vendor/bin/phpstan analyse --level 6 src
\ No newline at end of file
diff --git a/src/Wrapped/Connection.php b/src/Wrapped/Connection.php
index cc73ac1..104caac 100644
--- a/src/Wrapped/Connection.php
+++ b/src/Wrapped/Connection.php
@@ -57,6 +57,7 @@ class Connection extends RawConnection {
 			throw new ConnectionRefusedException();
 		}
 		$this->readTillPrompt();
+		$this->flush();
 	}
 
 	/**
diff --git a/src/Wrapped/Parser.php b/src/Wrapped/Parser.php
index ec14ac4..35e42b5 100644
--- a/src/Wrapped/Parser.php
+++ b/src/Wrapped/Parser.php
@@ -86,7 +86,7 @@ class Parser {
 
 		if (substr($output[0], 0, strlen(self::MSG_NOT_FOUND)) === self::MSG_NOT_FOUND) {
 			$localPath = substr($output[0], strlen(self::MSG_NOT_FOUND));
-			throw new InvalidResourceException('Failed opening local file "' . $localPath . '" for writing');
+			throw new InvalidResourceException('Failed opening local file "' . $localPath . '"');
 		}
 
 		throw Exception::fromMap(self::EXCEPTION_MAP, $error, $path);
diff --git a/src/Wrapped/RawConnection.php b/src/Wrapped/RawConnection.php
index 4aec674..23c5c6f 100644
--- a/src/Wrapped/RawConnection.php
+++ b/src/Wrapped/RawConnection.php
@@ -110,6 +110,13 @@ class RawConnection {
 		return $result;
 	}
 
+	public function flush() {
+		$meta = stream_get_meta_data($this->getOutputStream());
+		stream_set_blocking($this->getOutputStream(), false);
+		stream_get_contents($this->getOutputStream());
+		stream_set_blocking($this->getOutputStream(), $meta["blocked"]);
+	}
+
 	/**
 	 * read output till the next prompt
 	 *
diff --git a/src/Wrapped/Share.php b/src/Wrapped/Share.php
index eb68d38..0dd029b 100644
--- a/src/Wrapped/Share.php
+++ b/src/Wrapped/Share.php
@@ -454,6 +454,7 @@ class Share extends AbstractShare {
 	 * @return string[]
 	 */
 	protected function execute(string $command): array {
+		$this->connect()->flush();
 		$this->connect()->write($command);
 		return $this->connect()->read();
 	}