diff options
Diffstat (limited to 'src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp')
| -rw-r--r-- | src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp | 91 |
1 files changed, 19 insertions, 72 deletions
diff --git a/src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp b/src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp index 8a2825cd10..765c1e41cf 100644 --- a/src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp +++ b/src/corelib/doc/snippets/code/src_corelib_io_qprocess.cpp @@ -1,52 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the documentation of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in -** the documentation and/or other materials provided with the -** distribution. -** * Neither the name of The Qt Company Ltd nor the names of its -** contributors may be used to endorse or promote products derived -** from this software without specific prior written permission. -** -** -** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause void wrapInFunction() @@ -90,34 +43,28 @@ process2.start("command2"); //! [4] -class SandboxProcess : public QProcess +void runSandboxed(const QString &name, const QStringList &arguments) { - ... - protected: - void setupChildProcess() override; - ... -}; - -void SandboxProcess::setupChildProcess() -{ - // Drop all privileges in the child process, and enter - // a chroot jail. -#if defined Q_OS_UNIX - ::setgroups(0, 0); - ::chroot("/etc/safe"); - ::chdir("/"); - ::setgid(safeGid); - ::setuid(safeUid); - ::umask(0); -#endif + QProcess proc; + proc.setChildProcessModifier([] { + // Drop all privileges in the child process, and enter + // a chroot jail. + ::setgroups(0, nullptr); + ::chroot("/run/safedir"); + ::chdir("/"); + ::setgid(safeGid); + ::setuid(safeUid); + ::umask(077); + }); + proc.start(name, arguments); + proc.waitForFinished(); } - //! [4] //! [5] QProcess process; -process.start("del /s *.txt"); +process.startCommand("del /s *.txt"); // same as process.start("del", QStringList() << "/s" << "*.txt"); ... //! [5] @@ -125,13 +72,13 @@ process.start("del /s *.txt"); //! [6] QProcess process; -process.start("dir \"My Documents\""); +process.startCommand("dir \"My Documents\""); //! [6] //! [7] QProcess process; -process.start("dir \"Epic 12\"\"\" Singles\""); +process.startCommand("dir \"Epic 12\"\"\" Singles\""); //! [7] |