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| 1 | +/* | |
| 2 | + * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. | |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 | + * | |
| 5 | + * This code is free software; you can redistribute it and/or modify it | |
| 6 | + * under the terms of the GNU General Public License version 2 only, as | |
| 7 | + * published by the Free Software Foundation. Oracle designates this | |
| 8 | + * particular file as subject to the "Classpath" exception as provided | |
| 9 | + * by Oracle in the LICENSE file that accompanied this code. | |
| 10 | + * | |
| 11 | + * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 12 | + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 13 | + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 14 | + * version 2 for more details (a copy is included in the LICENSE file that | |
| 15 | + * accompanied this code). | |
| 16 | + * | |
| 17 | + * You should have received a copy of the GNU General Public License version | |
| 18 | + * 2 along with this work; if not, write to the Free Software Foundation, | |
| 19 | + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 20 | + * | |
| 21 | + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 22 | + * or visit www.oracle.com if you need additional information or have any | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.security.ssl; | |
| 27 | + | |
| 28 | +import javax.net.ssl.*; | |
| 29 | + | |
| 30 | +/* | |
| 31 | + * A simple class to congregate alerts, their definitions, and common | |
| 32 | + * support methods. | |
| 33 | + */ | |
| 34 | + | |
| 35 | +final class Alerts { | |
| 36 | + | |
| 37 | + /* | |
| 38 | + * Alerts are always a fixed two byte format (level/description). | |
| 39 | + */ | |
| 40 | + | |
| 41 | + // warnings and fatal errors are package private facilities/constants | |
| 42 | + | |
| 43 | + // Alert levels (enum AlertLevel) | |
| 44 | + static final byte alert_warning = 1; | |
| 45 | + static final byte alert_fatal = 2; | |
| 46 | + | |
| 47 | + /* | |
| 48 | + * Alert descriptions (enum AlertDescription) | |
| 49 | + * | |
| 50 | + * We may not use them all in our processing, but if someone | |
| 51 | + * sends us one, we can at least convert it to a string for the | |
| 52 | + * user. | |
| 53 | + */ | |
| 54 | + static final byte alert_close_notify = 0; | |
| 55 | + static final byte alert_unexpected_message = 10; | |
| 56 | + static final byte alert_bad_record_mac = 20; | |
| 57 | + static final byte alert_decryption_failed = 21; | |
| 58 | + static final byte alert_record_overflow = 22; | |
| 59 | + static final byte alert_decompression_failure = 30; | |
| 60 | + static final byte alert_handshake_failure = 40; | |
| 61 | + static final byte alert_no_certificate = 41; | |
| 62 | + static final byte alert_bad_certificate = 42; | |
| 63 | + static final byte alert_unsupported_certificate = 43; | |
| 64 | + static final byte alert_certificate_revoked = 44; | |
| 65 | + static final byte alert_certificate_expired = 45; | |
| 66 | + static final byte alert_certificate_unknown = 46; | |
| 67 | + static final byte alert_illegal_parameter = 47; | |
| 68 | + static final byte alert_unknown_ca = 48; | |
| 69 | + static final byte alert_access_denied = 49; | |
| 70 | + static final byte alert_decode_error = 50; | |
| 71 | + static final byte alert_decrypt_error = 51; | |
| 72 | + static final byte alert_export_restriction = 60; | |
| 73 | + static final byte alert_protocol_version = 70; | |
| 74 | + static final byte alert_insufficient_security = 71; | |
| 75 | + static final byte alert_internal_error = 80; | |
| 76 | + static final byte alert_user_canceled = 90; | |
| 77 | + static final byte alert_no_renegotiation = 100; | |
| 78 | + | |
| 79 | + // from RFC 3546 (TLS Extensions) | |
| 80 | + static final byte alert_unsupported_extension = 110; | |
| 81 | + static final byte alert_certificate_unobtainable = 111; | |
| 82 | + static final byte alert_unrecognized_name = 112; | |
| 83 | + static final byte alert_bad_certificate_status_response = 113; | |
| 84 | + static final byte alert_bad_certificate_hash_value = 114; | |
| 85 | + | |
| 86 | + static String alertDescription(byte code) { | |
| 87 | + switch (code) { | |
| 88 | + | |
| 89 | + case alert_close_notify: | |
| 90 | + return "close_notify"; | |
| 91 | + case alert_unexpected_message: | |
| 92 | + return "unexpected_message"; | |
| 93 | + case alert_bad_record_mac: | |
| 94 | + return "bad_record_mac"; | |
| 95 | + case alert_decryption_failed: | |
| 96 | + return "decryption_failed"; | |
| 97 | + case alert_record_overflow: | |
| 98 | + return "record_overflow"; | |
| 99 | + case alert_decompression_failure: | |
| 100 | + return "decompression_failure"; | |
| 101 | + case alert_handshake_failure: | |
| 102 | + return "handshake_failure"; | |
| 103 | + case alert_no_certificate: | |
| 104 | + return "no_certificate"; | |
| 105 | + case alert_bad_certificate: | |
| 106 | + return "bad_certificate"; | |
| 107 | + case alert_unsupported_certificate: | |
| 108 | + return "unsupported_certificate"; | |
| 109 | + case alert_certificate_revoked: | |
| 110 | + return "certificate_revoked"; | |
| 111 | + case alert_certificate_expired: | |
| 112 | + return "certificate_expired"; | |
| 113 | + case alert_certificate_unknown: | |
| 114 | + return "certificate_unknown"; | |
| 115 | + case alert_illegal_parameter: | |
| 116 | + return "illegal_parameter"; | |
| 117 | + case alert_unknown_ca: | |
| 118 | + return "unknown_ca"; | |
| 119 | + case alert_access_denied: | |
| 120 | + return "access_denied"; | |
| 121 | + case alert_decode_error: | |
| 122 | + return "decode_error"; | |
| 123 | + case alert_decrypt_error: | |
| 124 | + return "decrypt_error"; | |
| 125 | + case alert_export_restriction: | |
| 126 | + return "export_restriction"; | |
| 127 | + case alert_protocol_version: | |
| 128 | + return "protocol_version"; | |
| 129 | + case alert_insufficient_security: | |
| 130 | + return "insufficient_security"; | |
| 131 | + case alert_internal_error: | |
| 132 | + return "internal_error"; | |
| 133 | + case alert_user_canceled: | |
| 134 | + return "user_canceled"; | |
| 135 | + case alert_no_renegotiation: | |
| 136 | + return "no_renegotiation"; | |
| 137 | + case alert_unsupported_extension: | |
| 138 | + return "unsupported_extension"; | |
| 139 | + case alert_certificate_unobtainable: | |
| 140 | + return "certificate_unobtainable"; | |
| 141 | + case alert_unrecognized_name: | |
| 142 | + return "unrecognized_name"; | |
| 143 | + case alert_bad_certificate_status_response: | |
| 144 | + return "bad_certificate_status_response"; | |
| 145 | + case alert_bad_certificate_hash_value: | |
| 146 | + return "bad_certificate_hash_value"; | |
| 147 | + | |
| 148 | + default: | |
| 149 | + return "<UNKNOWN ALERT: " + (code & 0x0ff) + ">"; | |
| 150 | + } | |
| 151 | + } | |
| 152 | + | |
| 153 | + static SSLException getSSLException(byte description, String reason) { | |
| 154 | + return getSSLException(description, null, reason); | |
| 155 | + } | |
| 156 | + | |
| 157 | + /* | |
| 158 | + * Try to be a little more specific in our choice of | |
| 159 | + * exceptions to throw. | |
| 160 | + */ | |
| 161 | + static SSLException getSSLException(byte description, Throwable cause, | |
| 162 | + String reason) { | |
| 163 | + | |
| 164 | + SSLException e; | |
| 165 | + // the SSLException classes do not have a no-args constructor | |
| 166 | + // make up a message if there is none | |
| 167 | + if (reason == null) { | |
| 168 | + if (cause != null) { | |
| 169 | + reason = cause.toString(); | |
| 170 | + } else { | |
| 171 | + reason = ""; | |
| 172 | + } | |
| 173 | + } | |
| 174 | + switch (description) { | |
| 175 | + case alert_handshake_failure: | |
| 176 | + case alert_no_certificate: | |
| 177 | + case alert_bad_certificate: | |
| 178 | + case alert_unsupported_certificate: | |
| 179 | + case alert_certificate_revoked: | |
| 180 | + case alert_certificate_expired: | |
| 181 | + case alert_certificate_unknown: | |
| 182 | + case alert_unknown_ca: | |
| 183 | + case alert_access_denied: | |
| 184 | + case alert_decrypt_error: | |
| 185 | + case alert_export_restriction: | |
| 186 | + case alert_insufficient_security: | |
| 187 | + case alert_unsupported_extension: | |
| 188 | + case alert_certificate_unobtainable: | |
| 189 | + case alert_unrecognized_name: | |
| 190 | + case alert_bad_certificate_status_response: | |
| 191 | + case alert_bad_certificate_hash_value: | |
| 192 | + e = new SSLHandshakeException(reason); | |
| 193 | + break; | |
| 194 | + | |
| 195 | + case alert_close_notify: | |
| 196 | + case alert_unexpected_message: | |
| 197 | + case alert_bad_record_mac: | |
| 198 | + case alert_decryption_failed: | |
| 199 | + case alert_record_overflow: | |
| 200 | + case alert_decompression_failure: | |
| 201 | + case alert_illegal_parameter: | |
| 202 | + case alert_decode_error: | |
| 203 | + case alert_protocol_version: | |
| 204 | + case alert_internal_error: | |
| 205 | + case alert_user_canceled: | |
| 206 | + case alert_no_renegotiation: | |
| 207 | + default: | |
| 208 | + e = new SSLException(reason); | |
| 209 | + break; | |
| 210 | + } | |
| 211 | + | |
| 212 | + if (cause != null) { | |
| 213 | + e.initCause(cause); | |
| 214 | + } | |
| 215 | + return e; | |
| 216 | + } | |
| 217 | +} | |