/// <summary>
/// 是否连接上VPN服务器
/// </summary>
/// <param name="vpnAccount">VPN服务器供应账号信息</param>
/// <param name="vpnServer">VPN服务器信息</param>
/// <returns>返回连接结果</returns>
public bool IslinkVpnServer(MVPNAccount vpnAccount, MVPNServer vpnServer)
{
bool linkResult = false;
VpnHelper = new VPNHelper(vpnServer.Address, vpnServer.Area + vpnServer.Line, VpnAccount.Account, VpnAccount.Password);
bool createOrUpdateResult = VpnHelper.CreateOrUpdateVPN();
if (createOrUpdateResult)
{
////连接VPN
linkResult = VpnHelper.TryConnectVPN();
if (linkResult)
{
DateTime startTime = DateTime.Now;
string testLinkInfo = new TestLink().GetPingStr("www.baidu.com", 32, 200, 3);
if (testLinkInfo.Contains("100% 丢失"))
{
////访问超时，也认为IP不可用
////记录交互日志
string request = "VPN通道名称:" + vpnServer.Area + vpnServer.Line + ";VPN账号:" + vpnAccount.Account;
RecordLog.RecordInteractionLog(vpnAccount.Account, "连接VPN成功后，测试请求外网", request, testLinkInfo, DateTime.Now.Subtract(startTime), vpnServer.Address);
linkResult = false;
}
MessagePipe.ExcuteWriteMessageEvent(testLinkInfo, Color.Green, false);
}
}
return(linkResult);
}
/// <summary>
/// 创建或更新一个VPN连接(指定VPN名称，及IP)
/// </summary>
/// <param name="updateVPNname">更新vpn名称</param>
/// <param name="updateVPNip">更新VPN地址</param>
/// <returns>操作成功：true,操作失败：false</returns>
public bool CreateOrUpdateVPN(string updateVPNname, string updateVPNip)
{
bool result = true;
DateTime startTime = DateTime.Now;
string msg = string.Empty;
try
{
RasDialer dialer = new RasDialer();
RasPhoneBook allUsersPhoneBook = new RasPhoneBook();
allUsersPhoneBook.Open();
// 如果已经该名称的VPN已经存在，则更新这个VPN服务器地址
if (allUsersPhoneBook.Entries.Contains(updateVPNname))
{
allUsersPhoneBook.Entries[updateVPNname].PhoneNumber = updateVPNip;
////不管当前VPN是否连接，服务器地址的更新总能成功，如果正在连接，则需要VPN重启后才能起作用
bool updateResult = allUsersPhoneBook.Entries[updateVPNname].Update();
msg = "更新VPN服务器通道为:" + updateVPNip;
if (updateResult)
{
MessagePipe.ExcuteWriteMessageEvent(msg + "成功", Color.Green, false);
}
else
{
MessagePipe.ExcuteWriteMessageEvent(msg + "失败", Color.Green, false);
}
}
else
{
////创建一个新VPN
RasEntry entry = RasEntry.CreateVpnEntry(updateVPNname, updateVPNip, RasVpnStrategy.PptpFirst, RasDevice.GetDeviceByName("(PPTP)", RasDeviceType.Vpn));
allUsersPhoneBook.Entries.Add(entry);
dialer.EntryName = updateVPNname;
dialer.PhoneBookPath = RasPhoneBook.GetPhoneBookPath(RasPhoneBookType.AllUsers);
msg = "新建VPN通道:" + updateVPNip + "成功";
MessagePipe.ExcuteWriteMessageEvent(msg, Color.Green, false);
}
}
catch (Exception ex)
{
result = false;
MessagePipe.ExcuteWriteMessageEvent("更新或创建VPN通道异常:" + ex.Message.ToString(), Color.Green, true);
}
finally
{
////记录交互日志
string request = "VPN通道名称:" + updateVPNname + ";VPN账号:" + this.userName + ";VPN地址:" + updateVPNip;
RecordLog.RecordInteractionLog(updateVPNname, "创建VPN通道", request, msg, DateTime.Now.Subtract(startTime), updateVPNip);
}
return(result);
}
/// <summary>
/// 尝试连接VPN(指定VPN名称，用户名，密码)
/// </summary>
/// <param name="connVpnName">vpn名称</param>
/// <param name="connUserName">连接的用户名称</param>
/// <param name="connPassWord">连接的密码</param>
/// <returns>连接成功true，连接失败false</returns>
public bool TryConnectVPN(string connVpnName, string connUserName, string connPassWord)
{
bool result = false;
DateTime startTime = DateTime.Now;
string linkInfo = string.Empty;
try
{
string args = string.Format("{0} {1} {2}", connVpnName, connUserName, SecurityUtility.DecryptString(connPassWord));
ProcessStartInfo myProcess = new ProcessStartInfo(this.vpnProcess, args);
myProcess.CreateNoWindow = true;
myProcess.UseShellExecute = false;
myProcess.RedirectStandardOutput = true;
var excuteResult = Process.Start(myProcess);
linkInfo = excuteResult.StandardOutput.ReadToEnd();
linkInfo = linkInfo.Replace("\n", string.Empty);
if (linkInfo.Contains("已连接"))
{
result = true;
}
else
{
MessagePipe.ExcuteWriteMessageEvent("登陆失败，账号:" + connUserName + "密码:" + SecurityUtility.EncryptDES(connPassWord) + "VPN服务器:" + this.vpnIP, Color.Green, true);
}
MessagePipe.ExcuteWriteMessageEvent(connVpnName + "登陆验证结果:" + linkInfo, Color.Green, false);
}
catch (Exception ex)
{
string msg = "登陆异常，账号:" + connUserName + "密码:" + SecurityUtility.EncryptDES(connPassWord) + "VPN服务器:" + this.vpnIP;
LogManager.Log.WriteException(new AppException(msg, ex, ExceptionLevel.Info));
}
finally
{
////记录交互日志
string request = "VPN通道名称:" + connVpnName + ";VPN账号:" + connUserName;
RecordLog.RecordInteractionLog(connUserName, "通过用账号和密码登陆", request, linkInfo, DateTime.Now.Subtract(startTime), this.vpnIP);
}
return(result);
}
/// <summary>
/// 尝试断开VPN(指定VPN名称)
/// </summary>
/// <param name="disConnVpnName">连接的vpn名称</param>
/// <returns>返回执行结果，释放成功true，释放失败false</returns>
public bool TryDisConnectVPN(string disConnVpnName)
{
bool result = false;
DateTime startTime = DateTime.Now;
string linkInfo = string.Empty;
try
{
string args = string.Format(@"{0} /d", disConnVpnName);
ProcessStartInfo myProcess = new ProcessStartInfo(this.vpnProcess, args);
myProcess.CreateNoWindow = true;
myProcess.UseShellExecute = false;
myProcess.RedirectStandardOutput = true;
var excuteResult = Process.Start(myProcess);
linkInfo = excuteResult.StandardOutput.ReadToEnd();
linkInfo = linkInfo.Replace("\n", string.Empty);
if (!linkInfo.Contains("没有连接") && linkInfo.Contains("命令已完成"))
{
result = true;
}
MessagePipe.ExcuteWriteMessageEvent("释放结果:" + linkInfo, Color.Green, true);
}
catch (Exception ex)
{
string msg = disConnVpnName + "断开VPN异常" + ex;
MessagePipe.ExcuteWriteMessageEvent(msg, Color.Red, true);
}
finally
{
////记录交互日志
string request = "VPN通道名称" + disConnVpnName + ";VPN地址:" + this.vpnIP + ";VPN账号:" + this.userName;
RecordLog.RecordInteractionLog(this.userName, "断开VPN连接", request, linkInfo, DateTime.Now.Subtract(startTime), this.vpnIP);
}
return(result);
}