1// Copyright 2009 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package tls 6 7import "strconv" 8 9type alert uint8 10 11const ( 12 // alert level 13 alertLevelWarning = 1 14 alertLevelError = 2 15) 16 17const ( 18 alertCloseNotify alert = 0 19 alertUnexpectedMessage alert = 10 20 alertBadRecordMAC alert = 20 21 alertDecryptionFailed alert = 21 22 alertRecordOverflow alert = 22 23 alertDecompressionFailure alert = 30 24 alertHandshakeFailure alert = 40 25 alertBadCertificate alert = 42 26 alertUnsupportedCertificate alert = 43 27 alertCertificateRevoked alert = 44 28 alertCertificateExpired alert = 45 29 alertCertificateUnknown alert = 46 30 alertIllegalParameter alert = 47 31 alertUnknownCA alert = 48 32 alertAccessDenied alert = 49 33 alertDecodeError alert = 50 34 alertDecryptError alert = 51 35 alertProtocolVersion alert = 70 36 alertInsufficientSecurity alert = 71 37 alertInternalError alert = 80 38 alertInappropriateFallback alert = 86 39 alertUserCanceled alert = 90 40 alertNoRenegotiation alert = 100 41 alertMissingExtension alert = 109 42 alertUnsupportedExtension alert = 110 43 alertUnrecognizedName alert = 112 44 alertNoApplicationProtocol alert = 120 45) 46 47var alertText = map[alert]string{ 48 alertCloseNotify: "close notify", 49 alertUnexpectedMessage: "unexpected message", 50 alertBadRecordMAC: "bad record MAC", 51 alertDecryptionFailed: "decryption failed", 52 alertRecordOverflow: "record overflow", 53 alertDecompressionFailure: "decompression failure", 54 alertHandshakeFailure: "handshake failure", 55 alertBadCertificate: "bad certificate", 56 alertUnsupportedCertificate: "unsupported certificate", 57 alertCertificateRevoked: "revoked certificate", 58 alertCertificateExpired: "expired certificate", 59 alertCertificateUnknown: "unknown certificate", 60 alertIllegalParameter: "illegal parameter", 61 alertUnknownCA: "unknown certificate authority", 62 alertAccessDenied: "access denied", 63 alertDecodeError: "error decoding message", 64 alertDecryptError: "error decrypting message", 65 alertProtocolVersion: "protocol version not supported", 66 alertInsufficientSecurity: "insufficient security level", 67 alertInternalError: "internal error", 68 alertInappropriateFallback: "inappropriate fallback", 69 alertUserCanceled: "user canceled", 70 alertNoRenegotiation: "no renegotiation", 71 alertMissingExtension: "missing extension", 72 alertUnsupportedExtension: "unsupported extension", 73 alertUnrecognizedName: "unrecognized name", 74 alertNoApplicationProtocol: "no application protocol", 75} 76 77func (e alert) String() string { 78 s, ok := alertText[e] 79 if ok { 80 return "tls: " + s 81 } 82 return "tls: alert(" + strconv.Itoa(int(e)) + ")" 83} 84 85func (e alert) Error() string { 86 return e.String() 87} 88