97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
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package qtls
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import (
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"crypto/tls"
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"reflect"
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"unsafe"
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)
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func init() {
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if !structsEqual(&tls.ConnectionState{}, &connectionState{}) {
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panic("qtls.ConnectionState doesn't match")
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}
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if !structsEqual(&tls.ClientSessionState{}, &clientSessionState{}) {
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panic("qtls.ClientSessionState doesn't match")
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}
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if !structsEqual(&tls.CertificateRequestInfo{}, &certificateRequestInfo{}) {
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panic("qtls.CertificateRequestInfo doesn't match")
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}
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if !structsEqual(&tls.Config{}, &config{}) {
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panic("qtls.Config doesn't match")
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}
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if !structsEqual(&tls.ClientHelloInfo{}, &clientHelloInfo{}) {
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panic("qtls.ClientHelloInfo doesn't match")
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}
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}
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func toConnectionState(c connectionState) ConnectionState {
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return *(*ConnectionState)(unsafe.Pointer(&c))
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}
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func toClientSessionState(s *clientSessionState) *ClientSessionState {
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return (*ClientSessionState)(unsafe.Pointer(s))
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}
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func fromClientSessionState(s *ClientSessionState) *clientSessionState {
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return (*clientSessionState)(unsafe.Pointer(s))
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}
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func toCertificateRequestInfo(i *certificateRequestInfo) *CertificateRequestInfo {
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return (*CertificateRequestInfo)(unsafe.Pointer(i))
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}
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func toConfig(c *config) *Config {
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return (*Config)(unsafe.Pointer(c))
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}
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func fromConfig(c *Config) *config {
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return (*config)(unsafe.Pointer(c))
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}
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func toClientHelloInfo(chi *clientHelloInfo) *ClientHelloInfo {
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return (*ClientHelloInfo)(unsafe.Pointer(chi))
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}
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func structsEqual(a, b interface{}) bool {
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return compare(reflect.ValueOf(a), reflect.ValueOf(b))
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}
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func compare(a, b reflect.Value) bool {
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sa := a.Elem()
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sb := b.Elem()
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if sa.NumField() != sb.NumField() {
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return false
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}
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for i := 0; i < sa.NumField(); i++ {
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fa := sa.Type().Field(i)
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fb := sb.Type().Field(i)
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if !reflect.DeepEqual(fa.Index, fb.Index) || fa.Name != fb.Name || fa.Anonymous != fb.Anonymous || fa.Offset != fb.Offset || !reflect.DeepEqual(fa.Type, fb.Type) {
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if fa.Type.Kind() != fb.Type.Kind() {
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return false
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}
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if fa.Type.Kind() == reflect.Slice {
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if !compareStruct(fa.Type.Elem(), fb.Type.Elem()) {
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return false
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}
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continue
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}
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return false
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}
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}
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return true
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}
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func compareStruct(a, b reflect.Type) bool {
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if a.NumField() != b.NumField() {
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return false
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}
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for i := 0; i < a.NumField(); i++ {
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fa := a.Field(i)
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fb := b.Field(i)
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if !reflect.DeepEqual(fa.Index, fb.Index) || fa.Name != fb.Name || fa.Anonymous != fb.Anonymous || fa.Offset != fb.Offset || !reflect.DeepEqual(fa.Type, fb.Type) {
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return false
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}
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}
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return true
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}
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