forked from cory/tildefriends
105 lines
3.5 KiB
C
105 lines
3.5 KiB
C
|
/*
|
||
|
|
* 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 */
|