Update Microsoft/go-winio v0.4.14
Signed-off-by: Justin Terry (VM) <juterry@microsoft.com>
This commit is contained in:
27
vendor/github.com/Microsoft/go-winio/pkg/etw/provider.go
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27
vendor/github.com/Microsoft/go-winio/pkg/etw/provider.go
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@@ -94,26 +94,27 @@ func providerCallbackAdapter(sourceID *guid.GUID, state uintptr, level uintptr,
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// uses the same algorithm as used by .NET's EventSource class, which is based
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// on RFC 4122. More information on the algorithm can be found here:
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// https://blogs.msdn.microsoft.com/dcook/2015/09/08/etw-provider-names-and-guids/
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// The algorithm is roughly:
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// Hash = Sha1(namespace + arg.ToUpper().ToUtf16be())
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// Guid = Hash[0..15], with Hash[7] tweaked according to RFC 4122
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//
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// The algorithm is roughly the RFC 4122 algorithm for a V5 UUID, but differs in
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// the following ways:
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// - The input name is first upper-cased, UTF16-encoded, and converted to
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// big-endian.
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// - No variant is set on the result UUID.
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// - The result UUID is treated as being in little-endian format, rather than
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// big-endian.
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func providerIDFromName(name string) guid.GUID {
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buffer := sha1.New()
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namespace := []byte{0x48, 0x2C, 0x2D, 0xB2, 0xC3, 0x90, 0x47, 0xC8, 0x87, 0xF8, 0x1A, 0x15, 0xBF, 0xC1, 0x30, 0xFB}
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buffer.Write(namespace)
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namespace := guid.GUID{0x482C2DB2, 0xC390, 0x47C8, [8]byte{0x87, 0xF8, 0x1A, 0x15, 0xBF, 0xC1, 0x30, 0xFB}}
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namespaceBytes := namespace.ToArray()
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buffer.Write(namespaceBytes[:])
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binary.Write(buffer, binary.BigEndian, utf16.Encode([]rune(strings.ToUpper(name))))
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sum := buffer.Sum(nil)
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sum[7] = (sum[7] & 0xf) | 0x50
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return guid.GUID{
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Data1: binary.LittleEndian.Uint32(sum[0:4]),
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Data2: binary.LittleEndian.Uint16(sum[4:6]),
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Data3: binary.LittleEndian.Uint16(sum[6:8]),
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Data4: [8]byte{sum[8], sum[9], sum[10], sum[11], sum[12], sum[13], sum[14], sum[15]},
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}
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a := [16]byte{}
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copy(a[:], sum)
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return guid.FromWindowsArray(a)
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}
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// NewProvider creates and registers a new ETW provider. The provider ID is
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