-/* x509_int.h */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2015.
- */
-/* ====================================================================
- * Copyright (c) 2015 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (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
*/
/* Internal X509 structures and functions: not for application use */
+/* Note: unless otherwise stated a field pointer is mandatory and should
+ * never be set to NULL: the ASN.1 code and accessors rely on mandatory
+ * fields never being NULL.
+ */
+
+/*
+ * name entry structure, equivalent to AttributeTypeAndValue defined
+ * in RFC5280 et al.
+ */
struct X509_name_entry_st {
- ASN1_OBJECT *object;
- ASN1_STRING *value;
- int set;
+ ASN1_OBJECT *object; /* AttributeType */
+ ASN1_STRING *value; /* AttributeValue */
+ int set; /* index of RDNSequence for this entry */
int size; /* temp variable */
};
-/* we always keep X509_NAMEs in 2 forms. */
+/* Name from RFC 5280. */
struct X509_name_st {
- STACK_OF(X509_NAME_ENTRY) *entries;
+ STACK_OF(X509_NAME_ENTRY) *entries; /* DN components */
int modified; /* true if 'bytes' needs to be built */
- BUF_MEM *bytes;
-/* unsigned long hash; Keep the hash around for lookups */
+ BUF_MEM *bytes; /* cached encoding: cannot be NULL */
+ /* canonical encoding used for rapid Name comparison */
unsigned char *canon_enc;
int canon_enclen;
} /* X509_NAME */ ;
+/* PKCS#10 certificate request */
+
+struct X509_req_info_st {
+ ASN1_ENCODING enc; /* cached encoding of signed part */
+ ASN1_INTEGER *version; /* version, defaults to v1(0) so can be NULL */
+ X509_NAME *subject; /* certificate request DN */
+ X509_PUBKEY *pubkey; /* public key of request */
+ /*
+ * Zero or more attributes.
+ * NB: although attributes is a mandatory field some broken
+ * encodings omit it so this may be NULL in that case.
+ */
+ STACK_OF(X509_ATTRIBUTE) *attributes;
+};
+
+struct X509_req_st {
+ X509_REQ_INFO req_info; /* signed certificate request data */
+ X509_ALGOR sig_alg; /* signature algorithm */
+ ASN1_BIT_STRING *signature; /* signature */
+ int references;
+ CRYPTO_RWLOCK *lock;
+};
+
+struct X509_crl_info_st {
+ ASN1_INTEGER *version; /* version: defaults to v1(0) so may be NULL */
+ X509_ALGOR sig_alg; /* signature algorithm */
+ X509_NAME *issuer; /* CRL issuer name */
+ ASN1_TIME *lastUpdate; /* lastUpdate field */
+ ASN1_TIME *nextUpdate; /* nextUpdate field: optional */
+ STACK_OF(X509_REVOKED) *revoked; /* revoked entries: optional */
+ STACK_OF(X509_EXTENSION) *extensions; /* extensions: optional */
+ ASN1_ENCODING enc; /* encoding of signed portion of CRL */
+};
+
+struct X509_crl_st {
+ X509_CRL_INFO crl; /* signed CRL data */
+ X509_ALGOR sig_alg; /* CRL signature algorithm */
+ ASN1_BIT_STRING signature; /* CRL signature */
+ int references;
+ int flags;
+ /*
+ * Cached copies of decoded extension values, since extensions
+ * are optional any of these can be NULL.
+ */
+ AUTHORITY_KEYID *akid;
+ ISSUING_DIST_POINT *idp;
+ /* Convenient breakdown of IDP */
+ int idp_flags;
+ int idp_reasons;
+ /* CRL and base CRL numbers for delta processing */
+ ASN1_INTEGER *crl_number;
+ ASN1_INTEGER *base_crl_number;
+ STACK_OF(GENERAL_NAMES) *issuers;
+ /* hash of CRL */
+ unsigned char sha1_hash[SHA_DIGEST_LENGTH];
+ /* alternative method to handle this CRL */
+ const X509_CRL_METHOD *meth;
+ void *meth_data;
+ CRYPTO_RWLOCK *lock;
+};
+
+struct x509_revoked_st {
+ ASN1_INTEGER serialNumber; /* revoked entry serial number */
+ ASN1_TIME *revocationDate; /* revocation date */
+ STACK_OF(X509_EXTENSION) *extensions; /* CRL entry extensions: optional */
+ /* decoded value of CRLissuer extension: set if indirect CRL */
+ STACK_OF(GENERAL_NAME) *issuer;
+ /* revocation reason: set to CRL_REASON_NONE if reason extension absent */
+ int reason;
+ /*
+ * CRL entries are reordered for faster lookup of serial numbers. This
+ * field contains the original load sequence for this entry.
+ */
+ int sequence;
+};
+
/*
- * This stuff is certificate "auxiliary info" it contains details which are
+ * This stuff is certificate "auxiliary info": it contains details which are
* useful in certificate stores and databases. When used this is tagged onto
- * the end of the certificate itself
+ * the end of the certificate itself. OpenSSL specific structure not defined
+ * in any RFC.
*/
struct x509_cert_aux_st {
ASN1_OCTET_STRING *keyid; /* key id of private key */
STACK_OF(X509_ALGOR) *other; /* other unspecified info */
};
+
+struct x509_cinf_st {
+ ASN1_INTEGER *version; /* [ 0 ] default of v1 */
+ ASN1_INTEGER serialNumber;
+ X509_ALGOR signature;
+ X509_NAME *issuer;
+ X509_VAL validity;
+ X509_NAME *subject;
+ X509_PUBKEY *key;
+ ASN1_BIT_STRING *issuerUID; /* [ 1 ] optional in v2 */
+ ASN1_BIT_STRING *subjectUID; /* [ 2 ] optional in v2 */
+ STACK_OF(X509_EXTENSION) *extensions; /* [ 3 ] optional in v3 */
+ ASN1_ENCODING enc;
+};
+
+struct x509_st {
+ X509_CINF cert_info;
+ X509_ALGOR sig_alg;
+ ASN1_BIT_STRING signature;
+ int references;
+ CRYPTO_EX_DATA ex_data;
+ /* These contain copies of various extension values */
+ long ex_pathlen;
+ long ex_pcpathlen;
+ uint32_t ex_flags;
+ uint32_t ex_kusage;
+ uint32_t ex_xkusage;
+ uint32_t ex_nscert;
+ ASN1_OCTET_STRING *skid;
+ AUTHORITY_KEYID *akid;
+ X509_POLICY_CACHE *policy_cache;
+ STACK_OF(DIST_POINT) *crldp;
+ STACK_OF(GENERAL_NAME) *altname;
+ NAME_CONSTRAINTS *nc;
+#ifndef OPENSSL_NO_RFC3779
+ STACK_OF(IPAddressFamily) *rfc3779_addr;
+ struct ASIdentifiers_st *rfc3779_asid;
+# endif
+ unsigned char sha1_hash[SHA_DIGEST_LENGTH];
+ X509_CERT_AUX *aux;
+ CRYPTO_RWLOCK *lock;
+} /* X509 */ ;
+
+/*
+ * This is a used when verifying cert chains. Since the gathering of the
+ * cert chain can take some time (and have to be 'retried', this needs to be
+ * kept and passed around.
+ */
+struct x509_store_ctx_st { /* X509_STORE_CTX */
+ X509_STORE *ctx;
+ /* The following are set by the caller */
+ /* The cert to check */
+ X509 *cert;
+ /* chain of X509s - untrusted - passed in */
+ STACK_OF(X509) *untrusted;
+ /* set of CRLs passed in */
+ STACK_OF(X509_CRL) *crls;
+ X509_VERIFY_PARAM *param;
+ /* Other info for use with get_issuer() */
+ void *other_ctx;
+ /* Callbacks for various operations */
+ /* called to verify a certificate */
+ int (*verify) (X509_STORE_CTX *ctx);
+ /* error callback */
+ int (*verify_cb) (int ok, X509_STORE_CTX *ctx);
+ /* get issuers cert from ctx */
+ int (*get_issuer) (X509 **issuer, X509_STORE_CTX *ctx, X509 *x);
+ /* check issued */
+ int (*check_issued) (X509_STORE_CTX *ctx, X509 *x, X509 *issuer);
+ /* Check revocation status of chain */
+ int (*check_revocation) (X509_STORE_CTX *ctx);
+ /* retrieve CRL */
+ int (*get_crl) (X509_STORE_CTX *ctx, X509_CRL **crl, X509 *x);
+ /* Check CRL validity */
+ int (*check_crl) (X509_STORE_CTX *ctx, X509_CRL *crl);
+ /* Check certificate against CRL */
+ int (*cert_crl) (X509_STORE_CTX *ctx, X509_CRL *crl, X509 *x);
+ /* Check policy status of the chain */
+ int (*check_policy) (X509_STORE_CTX *ctx);
+ STACK_OF(X509) *(*lookup_certs) (X509_STORE_CTX *ctx, X509_NAME *nm);
+ STACK_OF(X509_CRL) *(*lookup_crls) (X509_STORE_CTX *ctx, X509_NAME *nm);
+ int (*cleanup) (X509_STORE_CTX *ctx);
+ /* The following is built up */
+ /* if 0, rebuild chain */
+ int valid;
+ /* number of untrusted certs */
+ int num_untrusted;
+ /* chain of X509s - built up and trusted */
+ STACK_OF(X509) *chain;
+ /* Valid policy tree */
+ X509_POLICY_TREE *tree;
+ /* Require explicit policy value */
+ int explicit_policy;
+ /* When something goes wrong, this is why */
+ int error_depth;
+ int error;
+ X509 *current_cert;
+ /* cert currently being tested as valid issuer */
+ X509 *current_issuer;
+ /* current CRL */
+ X509_CRL *current_crl;
+ /* score of current CRL */
+ int current_crl_score;
+ /* Reason mask */
+ unsigned int current_reasons;
+ /* For CRL path validation: parent context */
+ X509_STORE_CTX *parent;
+ CRYPTO_EX_DATA ex_data;
+ SSL_DANE *dane;
+ /* signed via bare TA public key, rather than CA certificate */
+ int bare_ta_signed;
+};
+
+/* PKCS#8 private key info structure */
+
+struct pkcs8_priv_key_info_st {
+ ASN1_INTEGER *version;
+ X509_ALGOR *pkeyalg;
+ ASN1_OCTET_STRING *pkey;
+ STACK_OF(X509_ATTRIBUTE) *attributes;
+};
+
+struct X509_sig_st {
+ X509_ALGOR *algor;
+ ASN1_OCTET_STRING *digest;
+};
+
+struct x509_object_st {
+ /* one of the above types */
+ X509_LOOKUP_TYPE type;
+ union {
+ char *ptr;
+ X509 *x509;
+ X509_CRL *crl;
+ EVP_PKEY *pkey;
+ } data;
+};
+
+int a2i_ipadd(unsigned char *ipout, const char *ipasc);
+int x509_set1_time(ASN1_TIME **ptm, const ASN1_TIME *tm);
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