/* * Copyright 2015-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OSSL_INTERNAL_DANE_H #define OSSL_INTERNAL_DANE_H # pragma once # include <openssl/safestack.h> /*- * Certificate usages: * https://tools.ietf.org/html/rfc6698#section-2.1.1 */ #define DANETLS_USAGE_PKIX_TA 0 #define DANETLS_USAGE_PKIX_EE 1 #define DANETLS_USAGE_DANE_TA 2 #define DANETLS_USAGE_DANE_EE 3 #define DANETLS_USAGE_LAST DANETLS_USAGE_DANE_EE /*- * Selectors: * https://tools.ietf.org/html/rfc6698#section-2.1.2 */ #define DANETLS_SELECTOR_CERT 0 #define DANETLS_SELECTOR_SPKI 1 #define DANETLS_SELECTOR_LAST DANETLS_SELECTOR_SPKI /*- * Matching types: * https://tools.ietf.org/html/rfc6698#section-2.1.3 */ #define DANETLS_MATCHING_FULL 0 #define DANETLS_MATCHING_2256 1 #define DANETLS_MATCHING_2512 2 #define DANETLS_MATCHING_LAST DANETLS_MATCHING_2512 typedef struct danetls_record_st { uint8_t usage; uint8_t selector; uint8_t mtype; unsigned char *data; size_t dlen; EVP_PKEY *spki; } danetls_record; DEFINE_STACK_OF(danetls_record) /* * Shared DANE context */ struct dane_ctx_st { const EVP_MD **mdevp; /* mtype -> digest */ uint8_t *mdord; /* mtype -> preference */ uint8_t mdmax; /* highest supported mtype */ unsigned long flags; /* feature bitmask */ }; /* * Per connection DANE state */ struct ssl_dane_st { struct dane_ctx_st *dctx; STACK_OF(danetls_record) *trecs; STACK_OF(X509) *certs; /* DANE-TA(2) Cert(0) Full(0) certs */ danetls_record *mtlsa; /* Matching TLSA record */ X509 *mcert; /* DANE matched cert */ uint32_t umask; /* Usages present */ int mdpth; /* Depth of matched cert */ int pdpth; /* Depth of PKIX trust */ unsigned long flags; /* feature bitmask */ }; #define DANETLS_ENABLED(dane) \ ((dane) != NULL && sk_danetls_record_num((dane)->trecs) > 0) #define DANETLS_USAGE_BIT(u) (((uint32_t)1) << u) #define DANETLS_PKIX_TA_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_PKIX_TA)) #define DANETLS_PKIX_EE_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_PKIX_EE)) #define DANETLS_DANE_TA_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_DANE_TA)) #define DANETLS_DANE_EE_MASK (DANETLS_USAGE_BIT(DANETLS_USAGE_DANE_EE)) #define DANETLS_PKIX_MASK (DANETLS_PKIX_TA_MASK | DANETLS_PKIX_EE_MASK) #define DANETLS_DANE_MASK (DANETLS_DANE_TA_MASK | DANETLS_DANE_EE_MASK) #define DANETLS_TA_MASK (DANETLS_PKIX_TA_MASK | DANETLS_DANE_TA_MASK) #define DANETLS_EE_MASK (DANETLS_PKIX_EE_MASK | DANETLS_DANE_EE_MASK) #define DANETLS_HAS_PKIX(dane) ((dane) && ((dane)->umask & DANETLS_PKIX_MASK)) #define DANETLS_HAS_DANE(dane) ((dane) && ((dane)->umask & DANETLS_DANE_MASK)) #define DANETLS_HAS_TA(dane) ((dane) && ((dane)->umask & DANETLS_TA_MASK)) #define DANETLS_HAS_EE(dane) ((dane) && ((dane)->umask & DANETLS_EE_MASK)) #define DANETLS_HAS_PKIX_TA(dane) ((dane)&&((dane)->umask & DANETLS_PKIX_TA_MASK)) #define DANETLS_HAS_PKIX_EE(dane) ((dane)&&((dane)->umask & DANETLS_PKIX_EE_MASK)) #define DANETLS_HAS_DANE_TA(dane) ((dane)&&((dane)->umask & DANETLS_DANE_TA_MASK)) #define DANETLS_HAS_DANE_EE(dane) ((dane)&&((dane)->umask & DANETLS_DANE_EE_MASK)) #endif /* OSSL_INTERNAL_DANE_H */