mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-11-13 20:33:16 +00:00
112 lines
3.4 KiB
Go
112 lines
3.4 KiB
Go
package settings
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import (
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"os"
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"syscall"
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"unsafe"
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F "github.com/sagernet/sing/common/format"
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"golang.org/x/sys/windows"
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)
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var (
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modwininet = windows.NewLazySystemDLL("settings.dll")
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procInternetSetOptionW = modwininet.NewProc("InternetSetOptionW")
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)
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const (
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internetOptionPerConnectionOption = 75
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internetOptionSettingsChanged = 39
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internetOptionRefresh = 37
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internetOptionProxySettingsChanged = 95
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)
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const (
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internetPerConnFlags = 1
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internetPerConnProxyServer = 2
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internetPerConnProxyBypass = 3
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internetPerConnAutoconfigUrl = 4
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internetPerConnAutodiscoveryFlags = 5
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internetPerConnAutoconfigSecondaryUrl = 6
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internetPerConnAutoconfigReloadDelayMins = 7
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internetPerConnAutoconfigLastDetectTime = 8
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internetPerConnAutoconfigLastDetectUrl = 9
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internetPerConnFlagsUi = 10
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internetOptionProxyUsername = 43
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internetOptionProxyPassword = 44
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)
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const (
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proxyTypeDirect = 1
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proxyTypeProxy = 2
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proxyTypeAutoProxyUrl = 4
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proxyTypeAutoDetect = 8
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)
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type internetPerConnOptionList struct {
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dwSize uint32
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pszConnection uintptr
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dwOptionCount uint32
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dwOptionError uint32
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pOptions uintptr
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}
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type internetPerConnOption struct {
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dwOption uint32
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value [8]byte
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}
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func internetSetOption(option uintptr, lpBuffer uintptr, dwBufferSize uintptr) error {
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r0, _, err := syscall.SyscallN(procInternetSetOptionW.Addr(), 0, option, lpBuffer, dwBufferSize)
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if r0 != 1 {
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return err
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}
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return nil
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}
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func setOptions(options ...internetPerConnOption) error {
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var optionList internetPerConnOptionList
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optionList.dwSize = uint32(unsafe.Sizeof(optionList))
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optionList.dwOptionCount = uint32(len(options))
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optionList.dwOptionError = 0
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optionList.pOptions = uintptr(unsafe.Pointer(&options[0]))
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err := internetSetOption(internetOptionPerConnectionOption, uintptr(unsafe.Pointer(&optionList)), uintptr(optionList.dwSize))
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if err != nil {
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return os.NewSyscallError("InternetSetOption(Direct)", err)
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}
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err = internetSetOption(internetOptionSettingsChanged, 0, 0)
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if err != nil {
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return os.NewSyscallError("InternetSetOption(SettingsChanged)", err)
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}
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err = internetSetOption(internetOptionProxySettingsChanged, 0, 0)
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if err != nil {
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return os.NewSyscallError("InternetSetOption(ProxySettingsChanged)", err)
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}
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err = internetSetOption(internetOptionRefresh, 0, 0)
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if err != nil {
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return os.NewSyscallError("InternetSetOption(Refresh)", err)
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}
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return nil
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}
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func ClearSystemProxy() error {
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var flagsOption internetPerConnOption
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flagsOption.dwOption = internetPerConnFlags
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*((*uint32)(unsafe.Pointer(&flagsOption.value))) = proxyTypeDirect | proxyTypeAutoDetect
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return setOptions(flagsOption)
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}
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func SetSystemProxy(port uint16, mixed bool) error {
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var flagsOption internetPerConnOption
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flagsOption.dwOption = internetPerConnFlags
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*((*uint32)(unsafe.Pointer(&flagsOption.value))) = proxyTypeProxy | proxyTypeDirect
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var proxyOption internetPerConnOption
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proxyOption.dwOption = internetPerConnProxyServer
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*((*uintptr)(unsafe.Pointer(&proxyOption.value))) = uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(F.ToString("http://127.0.0.1:", port))))
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var bypassOption internetPerConnOption
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bypassOption.dwOption = internetPerConnProxyBypass
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*((*uintptr)(unsafe.Pointer(&bypassOption.value))) = uintptr(unsafe.Pointer(windows.StringToUTF16Ptr("local")))
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return setOptions(flagsOption, proxyOption, bypassOption)
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}
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