Qt QSsh 使用 windows Qt实现ssh客户端

目标效果

下载地址

包含QSsh源码、库和测试界面
链接：https://pan.baidu.com/s/1wnAcKZmnIlZHjZhd0kKXzA
提取码：fa8u

代码

工程结构

CConnectionForSshClient.h

#ifndef CCONNECTIONFORSSHCLIENT_H
#define CCONNECTIONFORSSHCLIENT_H/* Func:以用户密码的形式连接ssh服务器  发送命令到shell执行  需加\n* Note:定时检查连接状态的逻辑是  连接成功关闭定时器检查*      连接断开  开启定时器检查并尝试重连  直至连接成功*      即关闭定时器检查* Use:绑定两个信号*      检测状态:sigConnectStateChanged(bState,strIp,nPort);*      接收信息:sigDataArrived(QString strMsg,QString strIp, int nPort);*     绑定一个槽*      发送信息:void slotSend(QString strMsg);*/
#include <sshconnection.h>
#include <sshremoteprocess.h>
#include <sftpchannel.h>
#include <QTimer>
#include <QHostAddress>
#include <QThread>#define RECONNET_SPAN_TIME (1000*10)  //连接状态心跳class  CConnectionForSshClient : public QObject
{Q_OBJECT
public:explicit CConnectionForSshClient(QString strIp, int nPort = 22,QString strPwd = "17909",QString strUser = "root");void init();void unInit();~CConnectionForSshClient();
private:QThread *m_pThread = nullptr;bool m_bConnected = false;bool m_bIsFirstConnect = true;bool m_bSendAble = false;QTimer *m_pTimer;QString m_strIp = "";int m_nPort = -1;QString m_strUser;QString m_strPwd;QString m_strIpPort;QSsh::SshConnectionParameters m_argParameters;QSsh::SshConnection *m_pSshSocket = nullptr;QSharedPointer<QSsh::SshRemoteProcess> m_shell;
signals:void sigInitForClild();void sigConnectStateChanged(bool bState,QString strIp,int nPort);void sigDataArrived(QString strMsg,QString strIp, int nPort);
private:int send(QString strMessage);QString getIpPort(){return m_strIp + ":" + QString::number(m_nPort);}
public slots:void slotResetConnection(QString strIpPort);void slotSend(QString strIpPort,QString strMessage);void slotSend(QString strMsg);void slotSendByQByteArray(QString strIpPort,QByteArray arrMsg);void slotDisconnected();void slotDataReceived();
private slots:void slotInitForClild();void slotCreateConnection();void slotConnected();void slotThreadFinished();void slotSshConnectError(QSsh::SshError sshError);void slotShellStart();void slotShellError();
};#endif // CCONNECTIONFORSSHCLIENT_H

CConnectionForSshClient.cpp

#include "CConnectionForSshClient.h"
#include <QDebug>CConnectionForSshClient::CConnectionForSshClient(QString strIp, int nPort, QString strPwd, QString strUser)
{m_strIp = strIp;m_nPort = nPort;m_strUser = strUser;m_strPwd = strPwd;m_strIpPort = m_strIp + ":" + QString::number(m_nPort);
}void CConnectionForSshClient::init()
{m_pThread = new QThread();connect(m_pThread,SIGNAL(finished()),this,SLOT(slotThreadFinished()));this->moveToThread(m_pThread);m_pThread->start();//之后的逻辑都得通过信号和槽接通connect(this,SIGNAL(sigInitForClild()),this,SLOT(slotInitForClild()));emit sigInitForClild();
}void CConnectionForSshClient::unInit()
{m_pThread->quit();
}int CConnectionForSshClient::send(QString strMessage)
{qDebug()<<"CConnectionForSshClient ssh send "<<strMessage;int nSize = 0;if(m_bConnected && m_bSendAble){nSize = m_shell->write(strMessage.toLatin1().data());}else{qDebug()<<"CConnectionForSshClient::send() ssh未连接 或 shell未连接:"<<getIpPort();}return nSize;
}CConnectionForSshClient::~CConnectionForSshClient()
{if(nullptr != m_pSshSocket){delete m_pSshSocket;m_pSshSocket = nullptr;}
}void CConnectionForSshClient::slotResetConnection(QString strIpPort)
{if(this->getIpPort() == strIpPort){this->slotDisconnected();}
}void CConnectionForSshClient::slotSend(QString strIpPort, QString strMessage)
{if(0 != m_strIpPort.compare(strIpPort)){return;}send(strMessage);
}void CConnectionForSshClient::slotSendByQByteArray(QString strIpPort, QByteArray arrMsg)
{if(0 != m_strIpPort.compare(strIpPort)){return;}if(m_bConnected){m_shell->write(arrMsg);}else{qDebug()<<"CConnectionForSshClient::send(QString strMessage) 发送失败 未建立连接:"<<getIpPort();}
}void CConnectionForSshClient::slotInitForClild()
{m_argParameters.port = m_nPort;m_argParameters.userName = m_strUser;m_argParameters.password = m_strPwd;m_argParameters.host = m_strIp;m_argParameters.timeout = 10;m_argParameters.authenticationType =QSsh::SshConnectionParameters::AuthenticationTypePassword; //密码方式连接slotCreateConnection(); //连接m_pTimer = new QTimer(this);m_pTimer->setInterval(RECONNET_SPAN_TIME);connect(m_pTimer,SIGNAL(timeout()),this,SLOT(slotCreateConnection()));m_pTimer->start();//启动心跳定时器，每隔一段时间进入slotCreateConnection判断是否需要重连
}void CConnectionForSshClient::slotCreateConnection()
{qDebug()<<"CConnectionForSshClient::slotCreateConnection检查连接" ;if(true == m_bConnected)return;if(nullptr == m_pSshSocket){m_pSshSocket = new QSsh::SshConnection(m_argParameters);connect(m_pSshSocket,SIGNAL(connected()),SLOT(slotConnected()));connect(m_pSshSocket,SIGNAL(error(QSsh::SshError)),SLOT(slotSshConnectError(QSsh::SshError)));}m_pSshSocket->connectToHost();qDebug()<<"CConnectionForSshClient::slotCreateConnection() 以ssh方式 尝试连接:"<<getIpPort();
}void CConnectionForSshClient::slotConnected()
{qDebug()<<"CConnectionForSshClient::slotConnected ssh已连接到:"<<getIpPort();m_pTimer->stop();m_shell = m_pSshSocket->createRemoteShell();connect(m_shell.data(), SIGNAL(started()), SLOT(slotShellStart()));connect(m_shell.data(), SIGNAL(readyReadStandardOutput()), SLOT(slotDataReceived()));connect(m_shell.data(), SIGNAL(readyReadStandardError()), SLOT(slotShellError()));m_shell.data()->start();m_bConnected = true;emit sigConnectStateChanged(m_bConnected,m_strIp,m_nPort);
}void CConnectionForSshClient::slotDisconnected()
{m_pSshSocket->disconnectFromHost();
}void CConnectionForSshClient::slotThreadFinished()
{m_pThread->deleteLater();this->deleteLater();
}void CConnectionForSshClient::slotSshConnectError(QSsh::SshError sshError)
{m_bSendAble = false;m_bConnected = false;emit sigConnectStateChanged(m_bConnected,m_strIp,m_nPort);m_pTimer->start();switch(sshError){case QSsh::SshNoError:qDebug()<<"slotSshConnectError SshNoError"<<getIpPort();break;case QSsh::SshSocketError:qDebug()<<"slotSshConnectError SshSocketError"<<getIpPort(); //拔掉网线是这种错误break;case QSsh::SshTimeoutError:qDebug()<<"slotSshConnectError SshTimeoutError"<<getIpPort();break;case QSsh::SshProtocolError:qDebug()<<"slotSshConnectError SshProtocolError"<<getIpPort();break;case QSsh::SshHostKeyError:qDebug()<<"slotSshConnectError SshHostKeyError"<<getIpPort();break;case QSsh::SshKeyFileError:qDebug()<<"slotSshConnectError SshKeyFileError"<<getIpPort();break;case QSsh::SshAuthenticationError:qDebug()<<"slotSshConnectError SshAuthenticationError"<<getIpPort();break;case QSsh::SshClosedByServerError:qDebug()<<"slotSshConnectError SshClosedByServerError"<<getIpPort();break;case QSsh::SshInternalError:qDebug()<<"slotSshConnectError SshInternalError"<<getIpPort();break;default:break;}}void CConnectionForSshClient::slotShellStart()
{m_bSendAble = true;qDebug()<<"CConnectionForSshClient::slotShellStart Shell已连接:"<<getIpPort();
}void CConnectionForSshClient::slotShellError()
{qDebug()<<"CConnectionForSshClient::slotShellError Shell发生错误:"<<getIpPort();
}void CConnectionForSshClient::slotSend(QString strMessage)
{send(strMessage);
}void CConnectionForSshClient::slotDataReceived()
{QByteArray byteRecv = m_shell->readAllStandardOutput();QString strRecv = QString::fromUtf8(byteRecv);//    if(strRecv.contains("password for")){//        m_shell->write(m_strPwd.toLatin1().data());
//    }if(!strRecv.isEmpty()) //过滤空行emit sigDataArrived(strRecv, m_strIp, m_nPort);}

Widget.h

#ifndef WIDGET_H
#define WIDGET_H#include <QWidget>
#include <QTextEdit>
#include <QComboBox>
#include <QPushButton>
#include <QLabel>
#include <QLineEdit>
#include "CConnectionForSshClient.h"class Widget : public QWidget
{Q_OBJECTpublic:Widget(QWidget *parent = 0);~Widget();private:void createConnection();void disConnection();void initUI();void setConnectState(bool bState);
private slots:void slotSshConnect();void slotSshSendCmd();void slotClearEdit();void slotConnectStateChanged(bool bState,QString strIp,int nPort);void slotDataArrived(QString strMsg,QString strIp, int nPort);
signals:void sigSend(QString strMsg);void sigDisconnected();
private:QTextEdit *m_pTextEdit;QComboBox *m_pComBoxIp;QComboBox *m_pComBoxUser;QLineEdit *m_pLineEditPwd;QPushButton *m_pBtnConnect;QLabel *m_pLabelState;QComboBox *m_pComBoxCmd;QPushButton *m_pBtnSend;QPushButton *m_pBtnClearEdit;bool m_bConnectState;CConnectionForSshClient *m_sshSocket;
};#endif // WIDGET_H

Widget.cpp

#include "Widget.h"
#include <QDebug>
#include <QGridLayout>Widget::Widget(QWidget *parent): QWidget(parent)
{initUI();
}Widget::~Widget()
{}void Widget::initUI()
{int nItemHeight = 30;m_bConnectState = false;resize(400,250);QLabel *pLabelIp = new QLabel(this);pLabelIp->setText("IP地址");pLabelIp->setMinimumHeight(nItemHeight);QLabel *pLabelUser = new QLabel(this);pLabelUser->setText("用户名");pLabelUser->setMinimumHeight(nItemHeight);QLabel *pLabelPort = new QLabel(this);pLabelPort->setText("密 码");pLabelPort->setMinimumHeight(nItemHeight);m_pComBoxIp = new QComboBox(this);m_pComBoxIp->addItem("192.168.1.122");m_pComBoxIp->setMinimumHeight(nItemHeight);m_pComBoxIp->setEditable(true);m_pComBoxUser = new QComboBox(this);m_pComBoxUser->addItem("root");m_pComBoxUser->setEditable(true);m_pLineEditPwd = new QLineEdit(this);m_pLineEditPwd->setEchoMode(QLineEdit::Password);m_pLineEditPwd->setText("12346");m_pLabelState = new QLabel(this);m_pLabelState->setFixedSize(10,10);setConnectState(m_bConnectState);m_pBtnConnect = new QPushButton(this);m_pBtnConnect->setText("连接");connect(m_pBtnConnect,SIGNAL(clicked()),this,SLOT(slotSshConnect()));m_pComBoxCmd = new QComboBox(this);m_pComBoxCmd->addItem("ls -la");m_pComBoxCmd->addItem("cd /tmp");m_pComBoxCmd->setEditable(true);m_pBtnSend = new QPushButton(this);m_pBtnSend->setText("发送");connect(m_pBtnSend,SIGNAL(clicked()),this,SLOT(slotSshSendCmd()));m_pTextEdit = new QTextEdit(this);m_pBtnClearEdit = new QPushButton(this);m_pBtnClearEdit->setText("清除");connect(m_pBtnClearEdit,SIGNAL(clicked()),this,SLOT(slotClearEdit()));QGridLayout *layout = new QGridLayout;layout->addWidget(pLabelIp,     0,0,1,1); //IP地址Label  坐标第0行0列  所占空间大小 1行1列layout->addWidget(pLabelUser,   1,0,1,1);layout->addWidget(pLabelPort,   2,0,1,1);layout->addWidget(m_pLabelState,3,0,1,1);//连接状态Label  坐标第3行0列  所占空间大小 1行1列layout->addWidget(m_pComBoxIp,   0,1,1,2);layout->addWidget(m_pComBoxUser, 1,1,1,2);layout->addWidget(m_pLineEditPwd,2,1,1,2);layout->addWidget(m_pBtnConnect, 3,1,1,2);layout->addWidget(m_pComBoxCmd,4,0,1,2);layout->addWidget(m_pBtnSend,  4,2,1,1);layout->addWidget(m_pTextEdit,    0,3,4,5);layout->addWidget(m_pBtnClearEdit,4,3,1,5);this->setLayout(layout);
}void Widget::createConnection()
{QString strIp = m_pComBoxIp->currentText();QString strUser = m_pComBoxUser->currentText();QString strPwd = m_pLineEditPwd->text();m_sshSocket = new CConnectionForSshClient(strIp,22,strPwd,strUser);m_sshSocket->init();connect(m_sshSocket,SIGNAL(sigConnectStateChanged(bool,QString,int)),this,SLOT(slotConnectStateChanged(bool,QString,int)));connect(m_sshSocket,SIGNAL(sigDataArrived(QString ,QString , int )),this,SLOT(slotDataArrived(QString ,QString , int )));connect(this,SIGNAL(sigSend(QString)),m_sshSocket,SLOT(slotSend(QString)));connect(this,SIGNAL(sigDisconnected()),m_sshSocket,SLOT(slotDisconnected()));}void Widget::disConnection()
{emit sigDisconnected();
}void Widget::setConnectState(bool bState)
{if(!bState)m_pLabelState->setStyleSheet("QLabel{background-color:#ff0000;border-radius:5px;}");elsem_pLabelState->setStyleSheet("QLabel{background-color:#00ff00;border-radius:5px;}");
}void Widget::slotSshConnect()
{if(!m_bConnectState){m_pBtnConnect->setText("连接中...");createConnection();  //发起连接}else{m_pBtnConnect->setText("连接");m_bConnectState = false;emit sigDisconnected();//断开连接setConnectState(m_bConnectState);}
}void Widget::slotSshSendCmd()
{if(m_bConnectState){QString strCmd = m_pComBoxCmd->currentText();strCmd += "\n"; //添加回车emit sigSend(strCmd);}
}void Widget::slotClearEdit()
{m_pTextEdit->clear();
}void Widget::slotConnectStateChanged(bool bState, QString strIp, int nPort)
{Q_UNUSED(strIp)Q_UNUSED(nPort)m_bConnectState = bState;setConnectState(m_bConnectState);if(m_bConnectState)m_pBtnConnect->setText("断开");elsem_pBtnConnect->setText("连接");
}void Widget::slotDataArrived(QString strMsg, QString strIp, int nPort)
{Q_UNUSED(strIp)Q_UNUSED(nPort)m_pTextEdit->append(strMsg);m_pTextEdit->moveCursor(QTextCursor::End);
}

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Qt QSsh 使用 windows Qt实现ssh客户端

目标效果

下载地址

代码

工程结构

CConnectionForSshClient.h

CConnectionForSshClient.cpp

Widget.h

Widget.cpp

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