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fix:提权后30s错误显示提权失败

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momen
2025-06-22 15:26:04 +08:00
parent f37d73708b
commit 4018e526c6
1 changed files with 16 additions and 28 deletions
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44
src/main.cpp
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@@ -14,53 +14,41 @@ bool elevateToRoot() {
QString program = QCoreApplication::applicationFilePath(); QString program = QCoreApplication::applicationFilePath();
qDebug() << "Current application path:" << program; qDebug() << "Current application path:" << program;
// 获取当前 DISPLAY 和 XAUTHORITY 环境变量
QByteArray display = qgetenv("DISPLAY"); QByteArray display = qgetenv("DISPLAY");
QByteArray xauthority = qgetenv("XAUTHORITY"); QByteArray xauthority = qgetenv("XAUTHORITY");
qDebug() << "DISPLAY:" << display;
qDebug() << "XAUTHORITY:" << xauthority;
// 构造带环境变量的 pkexec 命令
QStringList args; QStringList args;
args << "env" args << "env"
<< "DISPLAY=" + display << "DISPLAY=" + display
<< "XAUTHORITY=" + xauthority << "XAUTHORITY=" + xauthority
<< program; << program;
QProcess *process = new QProcess(); QProcess process;
process->setProgram("pkexec"); process.setProgram("pkexec");
process->setArguments(args); process.setArguments(args);
qDebug() << "Attempting to elevate using pkexec with arguments:" << args; qDebug() << "Attempting to elevate using pkexec with arguments:" << args;
// 启动进程并等待完成 process.start();
process->start(); if (!process.waitForStarted(5000)) {
// 等待 pkexec 完成，通常会弹出密码框 qDebug() << "Failed to start pkexec.";
// 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; return false;
} }
int exitCode = process->exitCode(); // 阻塞等待提权进程退出（比如主程序窗口关闭）
QProcess::ExitStatus exitStatus = process->exitStatus(); if (!process.waitForFinished(-1)) { // 等待直到新进程退出
qDebug() << "pkexec process waitForFinished failed.";
return false;
}
int exitCode = process.exitCode();
QProcess::ExitStatus exitStatus = process.exitStatus();
qDebug() << "pkexec exit code:" << exitCode; qDebug() << "pkexec exit code:" << exitCode;
qDebug() << "pkexec exit status:" << exitStatus; qDebug() << "pkexec exit status:" << exitStatus;
qDebug() << "pkexec standard error:" << process->readAllStandardError(); qDebug() << "pkexec stderr:" << process.readAllStandardError();
// 检查 pkexec 是否成功 return (exitStatus == QProcess::NormalExit && exitCode == 0);
// 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[]) int main(int argc, char *argv[])