github.com/icodeface/tls@v0.0.0-20230910023335-34df9250cd12/alert.go (about) 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 5 package tls 6 7 import "strconv" 8 9 type alert uint8 10 11 const ( 12 // alert level 13 alertLevelWarning = 1 14 alertLevelError = 2 15 ) 16 17 const ( 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 alertNoApplicationProtocol alert = 120 44 ) 45 46 var alertText = map[alert]string{ 47 alertCloseNotify: "close notify", 48 alertUnexpectedMessage: "unexpected message", 49 alertBadRecordMAC: "bad record MAC", 50 alertDecryptionFailed: "decryption failed", 51 alertRecordOverflow: "record overflow", 52 alertDecompressionFailure: "decompression failure", 53 alertHandshakeFailure: "handshake failure", 54 alertBadCertificate: "bad certificate", 55 alertUnsupportedCertificate: "unsupported certificate", 56 alertCertificateRevoked: "revoked certificate", 57 alertCertificateExpired: "expired certificate", 58 alertCertificateUnknown: "unknown certificate", 59 alertIllegalParameter: "illegal parameter", 60 alertUnknownCA: "unknown certificate authority", 61 alertAccessDenied: "access denied", 62 alertDecodeError: "error decoding message", 63 alertDecryptError: "error decrypting message", 64 alertProtocolVersion: "protocol version not supported", 65 alertInsufficientSecurity: "insufficient security level", 66 alertInternalError: "internal error", 67 alertInappropriateFallback: "inappropriate fallback", 68 alertUserCanceled: "user canceled", 69 alertNoRenegotiation: "no renegotiation", 70 alertMissingExtension: "missing extension", 71 alertUnsupportedExtension: "unsupported extension", 72 alertNoApplicationProtocol: "no application protocol", 73 } 74 75 func (e alert) String() string { 76 s, ok := alertText[e] 77 if ok { 78 return "tls: " + s 79 } 80 return "tls: alert(" + strconv.Itoa(int(e)) + ")" 81 } 82 83 func (e alert) Error() string { 84 return e.String() 85 }