Merge branch 'dev' into qt5-dev

This commit is contained in:
momen 2025-06-22 09:39:49 +08:00
commit 875e8770a3
2 changed files with 60 additions and 5 deletions

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@ -19,3 +19,4 @@
|支持 ACE 兼容环境| |
#### 联系与反馈
momen@momen.world

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@ -4,6 +4,7 @@
#include <QMessageBox>
#include <unistd.h> // for geteuid
#include <cstdlib> // for getenv
#include <QDebug> // For debugging output
bool isRoot() {
return geteuid() == 0;
@ -11,10 +12,13 @@ bool isRoot() {
bool elevateToRoot() {
QString program = QCoreApplication::applicationFilePath();
qDebug() << "Current application path:" << program;
// 获取当前 DISPLAY 和 XAUTHORITY 环境变量
QByteArray display = qgetenv("DISPLAY");
QByteArray xauthority = qgetenv("XAUTHORITY");
qDebug() << "DISPLAY:" << display;
qDebug() << "XAUTHORITY:" << xauthority;
// 构造带环境变量的 pkexec 命令
QStringList args;
@ -23,22 +27,72 @@ bool elevateToRoot() {
<< "XAUTHORITY=" + xauthority
<< program;
// 使用 pkexec 启动程序(带环境变量)
return QProcess::startDetached("pkexec", args);
QProcess *process = new QProcess();
process->setProgram("pkexec");
process->setArguments(args);
qDebug() << "Attempting to elevate using pkexec with arguments:" << args;
// 启动进程并等待完成
process->start();
// 等待 pkexec 完成,通常会弹出密码框
// 设置一个合理的超时时间,例如 30 秒
if (!process->waitForFinished(30000)) {
qDebug() << "pkexec process timed out.";
process->kill(); // 如果超时,终止进程
delete process;
return false;
}
int exitCode = process->exitCode();
QProcess::ExitStatus exitStatus = process->exitStatus();
qDebug() << "pkexec exit code:" << exitCode;
qDebug() << "pkexec exit status:" << exitStatus;
qDebug() << "pkexec standard error:" << process->readAllStandardError();
// 检查 pkexec 是否成功
// pkexec 成功执行通常返回 0或者如果用户取消授权会返回非零值。
// 但是,如果 pkexec 本身执行失败例如找不到命令exitStatus 会是 CrashOrKilled
// 这里我们认为只要pkexec成功启动了即使授权失败也算pkexec命令执行成功了
// 因为这表示pkexec本身是可用的。
// 只有当pkexec命令无法执行时才认为是pkexec的问题
bool pkexecCommandExecuted = (exitStatus == QProcess::NormalExit && exitCode == 0);
delete process;
return pkexecCommandExecuted;
}
int main(int argc, char *argv[])
{
// 必须在 QGuiApplication 实例创建之前调用
// QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::PassThrough);
QApplication a(argc, argv);
if (!isRoot()) {
qDebug() << "Not running as root. Attempting to elevate...";
if (!elevateToRoot()) {
QMessageBox::critical(nullptr, "权限不足", "提权失败,请确保系统支持 pkexec 并已正确安装 polkit。");
qDebug() << "Elevation failed or pkexec command was not executed successfully.";
QMessageBox::critical(nullptr,
"权限不足",
"提权失败!\n\n您的系统可能不支持 `pkexec` 或 `polkit` 配置不正确,"
"或者您取消了授权。\n\n请尝试使用 `sudo` 命令运行此程序:"
"\n\n在终端中输入:\n`sudo " + QCoreApplication::applicationName() + "`");
return 0; // 提权失败,退出程序
} else {
// 如果 elevateToRoot 返回 true说明 pkexec 命令本身执行成功
// 但这并不意味着原始程序以 root 权限启动了
// 因为 elevateToRoot 启动的是一个新的进程,当前进程应该退出
// 否则会并行运行两个程序实例
qDebug() << "pkexec command executed successfully (new process likely started). Exiting current process.";
return 0; // 当前非root进程退出
}
return 0;
} else {
qDebug() << "Running as root.";
}
MainWindow w;
w.show();
return a.exec();
}
}