github
/
v2rayN
mirror of https://github.com/2dust/v2rayN
1
0
Fork 0
Code Issues Releases Wiki Activity

Fixed Issue #3875 that ProxySetting doesn't support PPPoE connection. Remove sysproxy.exe, which is the unnecessary workaround.

pull/4444/head
flyoutsea 2023-11-25 21:29:59 +08:00
parent 1d0e8434ad
commit babb548c22
6 changed files with 154 additions and 159 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

171
v2rayN/v2rayN/Handler/ProxySetting.cs
View File

@ -1,37 +1,68 @@
using Microsoft.Win32;
using System.Runtime.InteropServices;
using static v2rayN.Handler.ProxySetting.InternetConnectionOption;
namespace v2rayN.Handler
{
internal class ProxySetting
{
/// <summary>
// set to use no proxy
/// </summary>
/// <exception cref="ApplicationException">Error message with win32 error code</exception>
public static bool UnsetProxy()
{
return SetProxy(null, null, 1);
}
/// <summary>
/// Set system proxy settings
/// </summary>
/// <param name="strProxy"> proxy address</param>
/// <param name="exceptions">exception addresses that do not use proxy</param>
/// <param name="type">type of proxy defined in PerConnFlags
/// PROXY_TYPE_DIRECT = 0x00000001, // direct connection (no proxy)
/// PROXY_TYPE_PROXY = 0x00000002, // via named proxy
/// PROXY_TYPE_AUTO_PROXY_URL = 0x00000004, // autoproxy script URL
/// PROXY_TYPE_AUTO_DETECT = 0x00000008 // use autoproxy detection
/// </param>
/// <exception cref="ApplicationException">Error message with win32 error code</exception>
/// <returns>true: one of connnection is successfully updated proxy settings</returns>
public static bool SetProxy(string? strProxy, string? exceptions, int type)
{
// set proxy for LAN
bool result = SetConnectionProxy(null, strProxy, exceptions, type);
// set proxy for dial up connections
var connections = EnumerateRasEntries();
foreach (var connection in connections)
{
result |= SetConnectionProxy(connection, strProxy, exceptions, type);
}
return result;
}
private static bool SetConnectionProxy(string? connectionName, string? strProxy, string? exceptions, int type)
{
InternetPerConnOptionList list = new();
int optionCount = 1;
if (type == 1)
if (type == 1) // No proxy
{
optionCount = 1;
}
else if (type is 2 or 4)
else if (type is 2 or 4) // named proxy or autoproxy script URL
{
optionCount = Utils.IsNullOrEmpty(exceptions) ? 2 : 3;
}
int m_Int = (int)PerConnFlags.PROXY_TYPE_DIRECT;
PerConnOption m_Option = PerConnOption.INTERNET_PER_CONN_FLAGS;
if (type == 2)
if (type == 2) // named proxy
{
m_Int = (int)(PerConnFlags.PROXY_TYPE_DIRECT | PerConnFlags.PROXY_TYPE_PROXY);
m_Option = PerConnOption.INTERNET_PER_CONN_PROXY_SERVER;
}
else if (type == 4)
else if (type == 4) // autoproxy script url
{
m_Int = (int)(PerConnFlags.PROXY_TYPE_DIRECT | PerConnFlags.PROXY_TYPE_AUTO_PROXY_URL);
m_Option = PerConnOption.INTERNET_PER_CONN_AUTOCONFIG_URL;
@ -47,24 +78,31 @@ namespace v2rayN.Handler
if (optionCount > 1)
{
options[1].m_Option = m_Option;
options[1].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(strProxy);
options[1].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(strProxy); // !! remember to deallocate memory 1
// except for these addresses ...
if (optionCount > 2)
{
options[2].m_Option = PerConnOption.INTERNET_PER_CONN_PROXY_BYPASS;
options[2].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(exceptions);
options[2].m_Value.m_StringPtr = Marshal.StringToHGlobalAuto(exceptions); // !! remember to deallocate memory 2
}
}
// default stuff
list.dwSize = Marshal.SizeOf(list);
list.szConnection = IntPtr.Zero;
if (connectionName != null)
{
list.szConnection = Marshal.StringToHGlobalAuto(connectionName); // !! remember to deallocate memory 3
}
else
{
list.szConnection = IntPtr.Zero;
}
list.dwOptionCount = options.Length;
list.dwOptionError = 0;
int optSize = Marshal.SizeOf(typeof(InternetConnectionOption));
// make a pointer out of all that ...
IntPtr optionsPtr = Marshal.AllocCoTaskMem(optSize * options.Length);
IntPtr optionsPtr = Marshal.AllocCoTaskMem(optSize * options.Length); // !! remember to deallocate memory 4
// copy the array over into that spot in memory ...
for (int i = 0; i < options.Length; ++i)
{
@ -83,26 +121,82 @@ namespace v2rayN.Handler
list.options = optionsPtr;
// and then make a pointer out of the whole list
IntPtr ipcoListPtr = Marshal.AllocCoTaskMem(list.dwSize);
IntPtr ipcoListPtr = Marshal.AllocCoTaskMem(list.dwSize); // !! remember to deallocate memory 5
Marshal.StructureToPtr(list, ipcoListPtr, false);
// and finally, call the API method!
int returnvalue = NativeMethods.InternetSetOption(IntPtr.Zero,
bool isSuccess = NativeMethods.InternetSetOption(IntPtr.Zero,
InternetOption.INTERNET_OPTION_PER_CONNECTION_OPTION,
ipcoListPtr, list.dwSize) ? -1 : 0;
if (returnvalue == 0)
ipcoListPtr, list.dwSize);
int returnvalue = 0; // ERROR_SUCCESS
if (!isSuccess)
{ // get the error codes, they might be helpful
returnvalue = Marshal.GetLastWin32Error();
returnvalue = Marshal.GetLastPInvokeError();
}
// FREE the data ASAP
Marshal.FreeCoTaskMem(optionsPtr);
Marshal.FreeCoTaskMem(ipcoListPtr);
if (returnvalue > 0)
{ // throw the error codes, they might be helpful
//throw new Win32Exception(Marshal.GetLastWin32Error());
else
{
// Notify the system that the registry settings have been changed and cause them to be refreshed
NativeMethods.InternetSetOption(IntPtr.Zero, InternetOption.INTERNET_OPTION_SETTINGS_CHANGED, IntPtr.Zero, 0);
NativeMethods.InternetSetOption(IntPtr.Zero, InternetOption.INTERNET_OPTION_REFRESH, IntPtr.Zero, 0);
}
return (returnvalue < 0);
// FREE the data ASAP
if(list.szConnection != IntPtr.Zero) Marshal.FreeHGlobal(list.szConnection); // release mem 3
if (optionCount > 1)
{
Marshal.FreeHGlobal(options[1].m_Value.m_StringPtr); // release mem 1
if (optionCount > 2)
{
Marshal.FreeHGlobal(options[2].m_Value.m_StringPtr); // release mem 2
}
}
Marshal.FreeCoTaskMem(optionsPtr); // release mem 4
Marshal.FreeCoTaskMem(ipcoListPtr); // release mem 5
if (returnvalue != 0)
{
// throw the error codes, they might be helpful
throw new ApplicationException($"Set Internet Proxy failed with error code: {Marshal.GetLastWin32Error()}" );
}
return true;
}
/// <summary>
/// Retrieve list of connections including LAN and WAN to support PPPoE connection
/// </summary>
/// <returns>A list of RAS connection names. May be empty list if no dial up connection.</returns>
/// <exception cref="ApplicationException">Error message with win32 error code</exception>
private static IEnumerable<string> EnumerateRasEntries()
{
int entries = 0;
// attempt to query with 1 entry buffer
RASENTRYNAME[] rasEntryNames = new RASENTRYNAME[1];
int bufferSize = Marshal.SizeOf(typeof(RASENTRYNAME));
rasEntryNames[0].dwSize = Marshal.SizeOf(typeof(RASENTRYNAME));
uint result = NativeMethods.RasEnumEntries(null, null, rasEntryNames, ref bufferSize, ref entries);
// increase buffer if the buffer is not large enough
if (result == (uint)ErrorCode.ERROR_BUFFER_TOO_SMALL)
{
rasEntryNames = new RASENTRYNAME[bufferSize / Marshal.SizeOf(typeof(RASENTRYNAME))];
for (int i = 0; i < rasEntryNames.Length; i++)
{
rasEntryNames[i].dwSize = Marshal.SizeOf(typeof(RASENTRYNAME));
}
result = NativeMethods.RasEnumEntries(null, null, rasEntryNames, ref bufferSize, ref entries);
}
if (result == 0)
{
var entryNames = new List<string>();
for (int i = 0; i < entries; i++)
{
entryNames.Add(rasEntryNames[i].szEntryName);
}
return entryNames;
}
throw new ApplicationException($"RasEnumEntries failed with error code: {result}");
}
#region WinInet structures
@ -145,6 +239,25 @@ namespace v2rayN.Handler
[FieldOffset(0)]
public IntPtr m_StringPtr;
}
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
public struct RASENTRYNAME
{
public int dwSize;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = RAS_MaxEntryName + 1)]
public string szEntryName;
public int dwFlags;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = MAX_PATH + 1)]
public string szPhonebookPath;
}
// Constants
public const int RAS_MaxEntryName = 256;
public const int MAX_PATH = 260; // Standard MAX_PATH value in Windows
}
#endregion WinInet structures
@ -156,7 +269,9 @@ namespace v2rayN.Handler
//
public enum InternetOption : uint
{
INTERNET_OPTION_PER_CONNECTION_OPTION = 75
INTERNET_OPTION_PER_CONNECTION_OPTION = 75,
INTERNET_OPTION_REFRESH = 37,
INTERNET_OPTION_SETTINGS_CHANGED = 39
}
//
@ -182,6 +297,12 @@ namespace v2rayN.Handler
PROXY_TYPE_AUTO_DETECT = 0x00000008 // use autoproxy detection
}
public enum ErrorCode : uint
{
ERROR_BUFFER_TOO_SMALL = 603,
ERROR_INVALID_SIZE = 632
}
#endregion WinInet enums
internal static class NativeMethods
@ -189,6 +310,14 @@ namespace v2rayN.Handler
[DllImport("WinInet.dll", SetLastError = true, CharSet = CharSet.Auto)]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool InternetSetOption(IntPtr hInternet, InternetOption dwOption, IntPtr lpBuffer, int dwBufferLength);
[DllImport("Rasapi32.dll", CharSet = CharSet.Auto)]
public static extern uint RasEnumEntries(
string? reserved, // Reserved, must be null
string? lpszPhonebook, // Pointer to full path and filename of phone-book file. If this parameter is NULL, the entries are enumerated from all the remote access phone-book files
[In, Out] RASENTRYNAME[]? lprasentryname, // Buffer to receive RAS entry names
ref int lpcb, // Size of the buffer
ref int lpcEntries // Number of entries written to the buffer
);
}
//判断是否使用代理

116
v2rayN/v2rayN/Handler/SysProxyHandle.cs
View File

@ -34,15 +34,7 @@ namespace v2rayN.Handler
static SysProxyHandle()
{
try
{
FileManager.UncompressFile(Utils.GetTempPath("sysproxy.exe"),
Environment.Is64BitOperatingSystem ? Resources.sysproxy64_exe : Resources.sysproxy_exe);
}
catch (IOException ex)
{
Utils.SaveLog(ex.Message, ex);
}
}
public static bool UpdateSysProxy(Config config, bool forceDisable)
@ -79,13 +71,11 @@ namespace v2rayN.Handler
.Replace("{http_port}", port.ToString())
.Replace("{socks_port}", portSocks.ToString());
}
ProxySetting.SetProxy(strProxy, strExceptions, 2);
SetIEProxy(true, strProxy, strExceptions);
ProxySetting.SetProxy(strProxy, strExceptions, 2); // set a named proxy
}
else if (type == ESysProxyType.ForcedClear)
{
ProxySetting.UnsetProxy();
ResetIEProxy();
ProxySetting.UnsetProxy(); // set to no proxy
}
else if (type == ESysProxyType.Unchanged)
{
@ -94,8 +84,7 @@ namespace v2rayN.Handler
{
PacHandler.Start(Utils.GetConfigPath(), port, portPac);
var strProxy = $"{Global.httpProtocol}{Global.Loopback}:{portPac}/pac?t={DateTime.Now.Ticks}";
ProxySetting.SetProxy(strProxy, "", 4);
SetIEProxy(false, strProxy, "");
ProxySetting.SetProxy(strProxy, "", 4); // use pac script url for auto-config proxy
}
if (type != ESysProxyType.Pac)
@ -121,102 +110,5 @@ namespace v2rayN.Handler
{
}
}
public static void SetIEProxy(bool global, string strProxy, string strExceptions)
{
string arguments = global
? $"global {strProxy} {strExceptions}"
: $"pac {strProxy}";
ExecSysproxy(arguments);
}
// set system proxy to 1 (null) (null) (null)
public static void ResetIEProxy()
{
ExecSysproxy("set 1 - - -");
}
private static void ExecSysproxy(string arguments)
{
// using event to avoid hanging when redirect standard output/error
// ref: https://stackoverflow.com/questions/139593/processstartinfo-hanging-on-waitforexit-why
// and http://blog.csdn.net/zhangweixing0/article/details/7356841
using AutoResetEvent outputWaitHandle = new(false);
using AutoResetEvent errorWaitHandle = new(false);
using Process process = new();
// Configure the process using the StartInfo properties.
process.StartInfo.FileName = Utils.GetTempPath("sysproxy.exe");
process.StartInfo.Arguments = arguments;
process.StartInfo.WorkingDirectory = Utils.GetTempPath();
process.StartInfo.WindowStyle = ProcessWindowStyle.Hidden;
process.StartInfo.UseShellExecute = false;
process.StartInfo.RedirectStandardError = true;
process.StartInfo.RedirectStandardOutput = true;
// Need to provide encoding info, or output/error strings we got will be wrong.
process.StartInfo.StandardOutputEncoding = Encoding.Unicode;
process.StartInfo.StandardErrorEncoding = Encoding.Unicode;
process.StartInfo.CreateNoWindow = true;
StringBuilder output = new(1024);
StringBuilder error = new(1024);
process.OutputDataReceived += (sender, e) =>
{
if (e.Data == null)
{
outputWaitHandle.Set();
}
else
{
output.AppendLine(e.Data);
}
};
process.ErrorDataReceived += (sender, e) =>
{
if (e.Data == null)
{
errorWaitHandle.Set();
}
else
{
error.AppendLine(e.Data);
}
};
try
{
process.Start();
process.BeginErrorReadLine();
process.BeginOutputReadLine();
process.WaitForExit();
}
catch (System.ComponentModel.Win32Exception e)
{
// log the arguments
throw new Exception(process.StartInfo.Arguments);
}
string stderr = error.ToString();
string stdout = output.ToString();
int exitCode = process.ExitCode;
if (exitCode != (int)RET_ERRORS.RET_NO_ERROR)
{
throw new Exception(stderr);
}
//if (arguments == "query")
//{
// if (stdout.IsNullOrWhiteSpace() || stdout.IsNullOrEmpty())
// {
// throw new Exception("failed to query wininet settings");
// }
// _queryStr = stdout;
//}
}
}
}

20
v2rayN/v2rayN/Properties/Resources.Designer.cs generated
View File

@ -219,25 +219,5 @@ namespace v2rayN.Properties {
return ((System.Drawing.Bitmap)(obj));
}
}
/// <summary>
/// 查找 System.Byte[] 类型的本地化资源。
/// </summary>
internal static byte[] sysproxy_exe {
get {
object obj = ResourceManager.GetObject("sysproxy_exe", resourceCulture);
return ((byte[])(obj));
}
}
/// <summary>
/// 查找 System.Byte[] 类型的本地化资源。
/// </summary>
internal static byte[] sysproxy64_exe {
get {
object obj = ResourceManager.GetObject("sysproxy64_exe", resourceCulture);
return ((byte[])(obj));
}
}
}
}

6
v2rayN/v2rayN/Properties/Resources.resx
View File

@ -118,12 +118,6 @@
<value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</resheader>
<assembly alias="System.Windows.Forms" name="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" />
<data name="sysproxy_exe" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\resources\sysproxy.exe.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</data>
<data name="sysproxy64_exe" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\resources\sysproxy64.exe.gz;System.Byte[], mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value>
</data>
<data name="NotifyIcon1" type="System.Resources.ResXFileRef, System.Windows.Forms">
<value>..\Resources\NotifyIcon1.ico;System.Drawing.Icon, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a</value>
</data>

BIN
v2rayN/v2rayN/Resources/sysproxy.exe.gz
View File

Binary file not shown.

BIN
v2rayN/v2rayN/Resources/sysproxy64.exe.gz
View File

Binary file not shown.