1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#pragma once
#include <stdint.h>
#include "tls/s2n_connection.h"
#define S2N_TLS_ALERT_LEVEL_WARNING 1
#define S2N_TLS_ALERT_LEVEL_FATAL 2
typedef enum {
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# enum {
*# close_notify(0),
*# unexpected_message(10),
*# bad_record_mac(20),
*# record_overflow(22),
*# handshake_failure(40),
*/
S2N_TLS_ALERT_CLOSE_NOTIFY = 0,
S2N_TLS_ALERT_UNEXPECTED_MESSAGE = 10,
S2N_TLS_ALERT_BAD_RECORD_MAC = 20,
S2N_TLS_ALERT_RECORD_OVERFLOW = 22,
S2N_TLS_ALERT_HANDSHAKE_FAILURE = 40,
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# bad_certificate(42),
*# unsupported_certificate(43),
*# certificate_revoked(44),
*# certificate_expired(45),
*# certificate_unknown(46),
*/
S2N_TLS_ALERT_BAD_CERTIFICATE = 42,
S2N_TLS_ALERT_UNSUPPORTED_CERTIFICATE = 43,
S2N_TLS_ALERT_CERTIFICATE_REVOKED = 44,
S2N_TLS_ALERT_CERTIFICATE_EXPIRED = 45,
S2N_TLS_ALERT_CERTIFICATE_UNKNOWN = 46,
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# illegal_parameter(47),
*# unknown_ca(48),
*# access_denied(49),
*# decode_error(50),
*# decrypt_error(51),
*/
S2N_TLS_ALERT_ILLEGAL_PARAMETER = 47,
S2N_TLS_ALERT_UNKNOWN_CA = 48,
S2N_TLS_ALERT_ACCESS_DENIED = 49,
S2N_TLS_ALERT_DECODE_ERROR = 50,
S2N_TLS_ALERT_DECRYPT_ERROR = 51,
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# protocol_version(70),
*# insufficient_security(71),
*# internal_error(80),
*# inappropriate_fallback(86),
*# user_canceled(90),
*/
S2N_TLS_ALERT_PROTOCOL_VERSION = 70,
S2N_TLS_ALERT_INSUFFICIENT_SECURITY = 71,
S2N_TLS_ALERT_INTERNAL_ERROR = 80,
S2N_TLS_ALERT_INAPPROPRIATE_FALLBACK = 86,
S2N_TLS_ALERT_USER_CANCELED = 90,
/*
*= https://tools.ietf.org/rfc/rfc5246#section-7.2
*# no_renegotiation(100),
*/
S2N_TLS_ALERT_NO_RENEGOTIATION = 100,
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# missing_extension(109),
*# unsupported_extension(110),
*# unrecognized_name(112),
*# bad_certificate_status_response(113),
*# unknown_psk_identity(115),
*/
S2N_TLS_ALERT_MISSING_EXTENSION = 109,
S2N_TLS_ALERT_UNSUPPORTED_EXTENSION = 110,
S2N_TLS_ALERT_UNRECOGNIZED_NAME = 112,
S2N_TLS_ALERT_BAD_CERTIFICATE_STATUS_RESPONSE = 113,
S2N_TLS_ALERT_UNKNOWN_PSK_IDENTITY = 115,
/*
*= https://tools.ietf.org/rfc/rfc8446#section-6
*# certificate_required(116),
*# no_application_protocol(120),
*# (255)
*# } AlertDescription;
*/
S2N_TLS_ALERT_CERTIFICATE_REQUIRED = 116,
S2N_TLS_ALERT_NO_APPLICATION_PROTOCOL = 120,
} s2n_tls_alert_code;
int s2n_process_alert_fragment(struct s2n_connection *conn);
int s2n_queue_reader_unsupported_protocol_version_alert(struct s2n_connection *conn);
int s2n_queue_reader_handshake_failure_alert(struct s2n_connection *conn);
S2N_RESULT s2n_queue_reader_no_renegotiation_alert(struct s2n_connection *conn);
S2N_RESULT s2n_alerts_write_error_or_close_notify(struct s2n_connection *conn);
S2N_RESULT s2n_alerts_write_warning(struct s2n_connection *conn);
|
