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26 lines
989 B
Go
26 lines
989 B
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package nettest
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import "syscall"
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func supportsRawSocket() bool {
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// From http://msdn.microsoft.com/en-us/library/windows/desktop/ms740548.aspx:
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// Note: To use a socket of type SOCK_RAW requires administrative privileges.
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// Users running Winsock applications that use raw sockets must be a member of
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// the Administrators group on the local computer, otherwise raw socket calls
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// will fail with an error code of WSAEACCES. On Windows Vista and later, access
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// for raw sockets is enforced at socket creation. In earlier versions of Windows,
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// access for raw sockets is enforced during other socket operations.
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for _, af := range []int{syscall.AF_INET, syscall.AF_INET6} {
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s, err := syscall.Socket(af, syscall.SOCK_RAW, 0)
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if err != nil {
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continue
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}
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syscall.Closesocket(s)
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return true
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}
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return false
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}
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