2 * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 #ifndef OSSL_INTERNAL_DANE_H
11 #define OSSL_INTERNAL_DANE_H
14 # include <openssl/safestack.h>
18 * https://tools.ietf.org/html/rfc6698#section-2.1.1
20 #define DANETLS_USAGE_PKIX_TA 0
21 #define DANETLS_USAGE_PKIX_EE 1
22 #define DANETLS_USAGE_DANE_TA 2
23 #define DANETLS_USAGE_DANE_EE 3
24 #define DANETLS_USAGE_LAST DANETLS_USAGE_DANE_EE
28 * https://tools.ietf.org/html/rfc6698#section-2.1.2
30 #define DANETLS_SELECTOR_CERT 0
31 #define DANETLS_SELECTOR_SPKI 1
32 #define DANETLS_SELECTOR_LAST DANETLS_SELECTOR_SPKI
36 * https://tools.ietf.org/html/rfc6698#section-2.1.3
38 #define DANETLS_MATCHING_FULL 0
39 #define DANETLS_MATCHING_2256 1
40 #define DANETLS_MATCHING_2512 2
41 #define DANETLS_MATCHING_LAST DANETLS_MATCHING_2512
43 typedef struct danetls_record_st {
52 DEFINE_STACK_OF(danetls_record)
58 const EVP_MD **mdevp; /* mtype -> digest */
59 uint8_t *mdord; /* mtype -> preference */
60 uint8_t mdmax; /* highest supported mtype */
61 unsigned long flags; /* feature bitmask */
65 * Per connection DANE state
68 struct dane_ctx_st *dctx;
69 STACK_OF(danetls_record) *trecs;
70 STACK_OF(X509) *certs; /* DANE-TA(2) Cert(0) Full(0) certs */
71 danetls_record *mtlsa; /* Matching TLSA record */
72 X509 *mcert; /* DANE matched cert */
73 uint32_t umask; /* Usages present */
74 int mdpth; /* Depth of matched cert */
75 int pdpth; /* Depth of PKIX trust */
76 unsigned long flags; /* feature bitmask */
79 #define DANETLS_ENABLED(dane) \
80 ((dane) != NULL && sk_danetls_record_num((dane)->trecs) > 0)
82 #define DANETLS_USAGE_BIT(u) (((uint32_t)1) << u)
84 #define DANETLS_PKIX_TA_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_PKIX_TA))
85 #define DANETLS_PKIX_EE_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_PKIX_EE))
86 #define DANETLS_DANE_TA_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_DANE_TA))
87 #define DANETLS_DANE_EE_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_DANE_EE))
89 #define DANETLS_PKIX_MASK (DANETLS_PKIX_TA_MASK | DANETLS_PKIX_EE_MASK)
90 #define DANETLS_DANE_MASK (DANETLS_DANE_TA_MASK | DANETLS_DANE_EE_MASK)
91 #define DANETLS_TA_MASK (DANETLS_PKIX_TA_MASK | DANETLS_DANE_TA_MASK)
92 #define DANETLS_EE_MASK (DANETLS_PKIX_EE_MASK | DANETLS_DANE_EE_MASK)
94 #define DANETLS_HAS_PKIX(dane) ((dane) && ((dane)->umask & DANETLS_PKIX_MASK))
95 #define DANETLS_HAS_DANE(dane) ((dane) && ((dane)->umask & DANETLS_DANE_MASK))
96 #define DANETLS_HAS_TA(dane) ((dane) && ((dane)->umask & DANETLS_TA_MASK))
97 #define DANETLS_HAS_EE(dane) ((dane) && ((dane)->umask & DANETLS_EE_MASK))
99 #define DANETLS_HAS_PKIX_TA(dane) ((dane)&&((dane)->umask & DANETLS_PKIX_TA_MASK))
100 #define DANETLS_HAS_PKIX_EE(dane) ((dane)&&((dane)->umask & DANETLS_PKIX_EE_MASK))
101 #define DANETLS_HAS_DANE_TA(dane) ((dane)&&((dane)->umask & DANETLS_DANE_TA_MASK))
102 #define DANETLS_HAS_DANE_EE(dane) ((dane)&&((dane)->umask & DANETLS_DANE_EE_MASK))
104 #endif /* OSSL_INTERNAL_DANE_H */