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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tls
import "strconv"
// An AlertError is a TLS alert.
//
// When using a QUIC transport, QUICConn methods will return an error
// which wraps AlertError rather than sending a TLS alert.
type AlertError uint8
func (e AlertError) Error() string {
return alert(e).String()
}
type alert uint8
const (
// alert level
alertLevelWarning = 1
alertLevelError = 2
)
const (
alertCloseNotify alert = 0
alertUnexpectedMessage alert = 10
alertBadRecordMAC alert = 20
alertDecryptionFailed alert = 21
alertRecordOverflow alert = 22
alertDecompressionFailure alert = 30
alertHandshakeFailure alert = 40
alertBadCertificate alert = 42
alertUnsupportedCertificate alert = 43
alertCertificateRevoked alert = 44
alertCertificateExpired alert = 45
alertCertificateUnknown alert = 46
alertIllegalParameter alert = 47
alertUnknownCA alert = 48
alertAccessDenied alert = 49
alertDecodeError alert = 50
alertDecryptError alert = 51
alertExportRestriction alert = 60
alertProtocolVersion alert = 70
alertInsufficientSecurity alert = 71
alertInternalError alert = 80
alertInappropriateFallback alert = 86
alertUserCanceled alert = 90
alertNoRenegotiation alert = 100
alertMissingExtension alert = 109
alertUnsupportedExtension alert = 110
alertCertificateUnobtainable alert = 111
alertUnrecognizedName alert = 112
alertBadCertificateStatusResponse alert = 113
alertBadCertificateHashValue alert = 114
alertUnknownPSKIdentity alert = 115
alertCertificateRequired alert = 116
alertNoApplicationProtocol alert = 120
)
var alertText = map[alert]string{
alertCloseNotify: "close notify",
alertUnexpectedMessage: "unexpected message",
alertBadRecordMAC: "bad record MAC",
alertDecryptionFailed: "decryption failed",
alertRecordOverflow: "record overflow",
alertDecompressionFailure: "decompression failure",
alertHandshakeFailure: "handshake failure",
alertBadCertificate: "bad certificate",
alertUnsupportedCertificate: "unsupported certificate",
alertCertificateRevoked: "revoked certificate",
alertCertificateExpired: "expired certificate",
alertCertificateUnknown: "unknown certificate",
alertIllegalParameter: "illegal parameter",
alertUnknownCA: "unknown certificate authority",
alertAccessDenied: "access denied",
alertDecodeError: "error decoding message",
alertDecryptError: "error decrypting message",
alertExportRestriction: "export restriction",
alertProtocolVersion: "protocol version not supported",
alertInsufficientSecurity: "insufficient security level",
alertInternalError: "internal error",
alertInappropriateFallback: "inappropriate fallback",
alertUserCanceled: "user canceled",
alertNoRenegotiation: "no renegotiation",
alertMissingExtension: "missing extension",
alertUnsupportedExtension: "unsupported extension",
alertCertificateUnobtainable: "certificate unobtainable",
alertUnrecognizedName: "unrecognized name",
alertBadCertificateStatusResponse: "bad certificate status response",
alertBadCertificateHashValue: "bad certificate hash value",
alertUnknownPSKIdentity: "unknown PSK identity",
alertCertificateRequired: "certificate required",
alertNoApplicationProtocol: "no application protocol",
}
func (e alert) String() string {
s, ok := alertText[e]
if ok {
return "tls: " + s
}
return "tls: alert(" + strconv.Itoa(int(e)) + ")"
}
func (e alert) Error() string {
return e.String()
}
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