-/* crypto/x509/x509_set.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * 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 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 acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS 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 AUTHOR OR 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.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * 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
*/
#include <stdio.h>
-#include "cryptlib.h"
-#include "asn1.h"
-#include "objects.h"
-#include "evp.h"
-#include "x509.h"
-
-int X509_set_version(x,version)
-X509 *x;
-long version;
- {
- if (x == NULL) return(0);
- if (x->cert_info->version == NULL)
- {
- if ((x->cert_info->version=ASN1_INTEGER_new()) == NULL)
- return(0);
- }
- return(ASN1_INTEGER_set(x->cert_info->version,version));
- }
-
-int X509_set_serialNumber(x,serial)
-X509 *x;
-ASN1_INTEGER *serial;
- {
- ASN1_INTEGER *in;
-
- if (x == NULL) return(0);
- in=x->cert_info->serialNumber;
- if (in != serial)
- {
- in=ASN1_INTEGER_dup(serial);
- if (in != NULL)
- {
- ASN1_INTEGER_free(x->cert_info->serialNumber);
- x->cert_info->serialNumber=in;
- }
- }
- return(in != NULL);
- }
-
-int X509_set_issuer_name(x,name)
-X509 *x;
-X509_NAME *name;
- {
- if ((x == NULL) || (x->cert_info == NULL)) return(0);
- return(X509_NAME_set(&x->cert_info->issuer,name));
- }
-
-int X509_set_subject_name(x,name)
-X509 *x;
-X509_NAME *name;
- {
- if ((x == NULL) || (x->cert_info == NULL)) return(0);
- return(X509_NAME_set(&x->cert_info->subject,name));
- }
-
-int X509_set_notBefore(x,tm)
-X509 *x;
-ASN1_UTCTIME *tm;
- {
- ASN1_UTCTIME *in;
-
- if ((x == NULL) || (x->cert_info->validity == NULL)) return(0);
- in=x->cert_info->validity->notBefore;
- if (in != tm)
- {
- in=ASN1_UTCTIME_dup(tm);
- if (in != NULL)
- {
- ASN1_UTCTIME_free(x->cert_info->validity->notBefore);
- x->cert_info->validity->notBefore=in;
- }
- }
- return(in != NULL);
- }
-
-int X509_set_notAfter(x,tm)
-X509 *x;
-ASN1_UTCTIME *tm;
- {
- ASN1_UTCTIME *in;
-
- if ((x == NULL) || (x->cert_info->validity == NULL)) return(0);
- in=x->cert_info->validity->notAfter;
- if (in != tm)
- {
- in=ASN1_UTCTIME_dup(tm);
- if (in != NULL)
- {
- ASN1_UTCTIME_free(x->cert_info->validity->notAfter);
- x->cert_info->validity->notAfter=in;
- }
- }
- return(in != NULL);
- }
-
-int X509_set_pubkey(x,pkey)
-X509 *x;
-EVP_PKEY *pkey;
- {
- if ((x == NULL) || (x->cert_info == NULL)) return(0);
- return(X509_PUBKEY_set(&(x->cert_info->key),pkey));
- }
+#include "internal/cryptlib.h"
+#include "internal/refcount.h"
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/evp.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include "crypto/asn1.h"
+#include "crypto/x509.h"
+#include "x509_local.h"
+int X509_set_version(X509 *x, long version)
+{
+ if (x == NULL)
+ return 0;
+ if (version == 0) {
+ ASN1_INTEGER_free(x->cert_info.version);
+ x->cert_info.version = NULL;
+ return 1;
+ }
+ if (x->cert_info.version == NULL) {
+ if ((x->cert_info.version = ASN1_INTEGER_new()) == NULL)
+ return 0;
+ }
+ return ASN1_INTEGER_set(x->cert_info.version, version);
+}
+int X509_set_serialNumber(X509 *x, ASN1_INTEGER *serial)
+{
+ ASN1_INTEGER *in;
+ if (x == NULL)
+ return 0;
+ in = &x->cert_info.serialNumber;
+ if (in != serial)
+ return ASN1_STRING_copy(in, serial);
+ return 1;
+}
+
+int X509_set_issuer_name(X509 *x, X509_NAME *name)
+{
+ if (x == NULL)
+ return 0;
+ return X509_NAME_set(&x->cert_info.issuer, name);
+}
+
+int X509_set_subject_name(X509 *x, X509_NAME *name)
+{
+ if (x == NULL)
+ return 0;
+ return X509_NAME_set(&x->cert_info.subject, name);
+}
+
+int x509_set1_time(ASN1_TIME **ptm, const ASN1_TIME *tm)
+{
+ ASN1_TIME *in;
+ in = *ptm;
+ if (in != tm) {
+ in = ASN1_STRING_dup(tm);
+ if (in != NULL) {
+ ASN1_TIME_free(*ptm);
+ *ptm = in;
+ }
+ }
+ return (in != NULL);
+}
+
+int X509_set1_notBefore(X509 *x, const ASN1_TIME *tm)
+{
+ if (x == NULL)
+ return 0;
+ return x509_set1_time(&x->cert_info.validity.notBefore, tm);
+}
+
+int X509_set1_notAfter(X509 *x, const ASN1_TIME *tm)
+{
+ if (x == NULL)
+ return 0;
+ return x509_set1_time(&x->cert_info.validity.notAfter, tm);
+}
+
+int X509_set_pubkey(X509 *x, EVP_PKEY *pkey)
+{
+ if (x == NULL)
+ return 0;
+ return X509_PUBKEY_set(&(x->cert_info.key), pkey);
+}
+
+int X509_up_ref(X509 *x)
+{
+ int i;
+
+ if (CRYPTO_UP_REF(&x->references, &i, x->lock) <= 0)
+ return 0;
+
+ REF_PRINT_COUNT("X509", x);
+ REF_ASSERT_ISNT(i < 2);
+ return ((i > 1) ? 1 : 0);
+}
+
+long X509_get_version(const X509 *x)
+{
+ return ASN1_INTEGER_get(x->cert_info.version);
+}
+
+const ASN1_TIME *X509_get0_notBefore(const X509 *x)
+{
+ return x->cert_info.validity.notBefore;
+}
+
+const ASN1_TIME *X509_get0_notAfter(const X509 *x)
+{
+ return x->cert_info.validity.notAfter;
+}
+
+ASN1_TIME *X509_getm_notBefore(const X509 *x)
+{
+ return x->cert_info.validity.notBefore;
+}
+
+ASN1_TIME *X509_getm_notAfter(const X509 *x)
+{
+ return x->cert_info.validity.notAfter;
+}
+
+int X509_get_signature_type(const X509 *x)
+{
+ return EVP_PKEY_type(OBJ_obj2nid(x->sig_alg.algorithm));
+}
+
+X509_PUBKEY *X509_get_X509_PUBKEY(const X509 *x)
+{
+ return x->cert_info.key;
+}
+
+const STACK_OF(X509_EXTENSION) *X509_get0_extensions(const X509 *x)
+{
+ return x->cert_info.extensions;
+}
+
+void X509_get0_uids(const X509 *x, const ASN1_BIT_STRING **piuid,
+ const ASN1_BIT_STRING **psuid)
+{
+ if (piuid != NULL)
+ *piuid = x->cert_info.issuerUID;
+ if (psuid != NULL)
+ *psuid = x->cert_info.subjectUID;
+}
+
+const X509_ALGOR *X509_get0_tbs_sigalg(const X509 *x)
+{
+ return &x->cert_info.signature;
+}
+
+int X509_SIG_INFO_get(const X509_SIG_INFO *siginf, int *mdnid, int *pknid,
+ int *secbits, uint32_t *flags)
+{
+ if (mdnid != NULL)
+ *mdnid = siginf->mdnid;
+ if (pknid != NULL)
+ *pknid = siginf->pknid;
+ if (secbits != NULL)
+ *secbits = siginf->secbits;
+ if (flags != NULL)
+ *flags = siginf->flags;
+ return (siginf->flags & X509_SIG_INFO_VALID) != 0;
+}
+
+void X509_SIG_INFO_set(X509_SIG_INFO *siginf, int mdnid, int pknid,
+ int secbits, uint32_t flags)
+{
+ siginf->mdnid = mdnid;
+ siginf->pknid = pknid;
+ siginf->secbits = secbits;
+ siginf->flags = flags;
+}
+
+int X509_get_signature_info(X509 *x, int *mdnid, int *pknid, int *secbits,
+ uint32_t *flags)
+{
+ X509_check_purpose(x, -1, -1);
+ return X509_SIG_INFO_get(&x->siginf, mdnid, pknid, secbits, flags);
+}
+
+static void x509_sig_info_init(X509_SIG_INFO *siginf, const X509_ALGOR *alg,
+ const ASN1_STRING *sig)
+{
+ int pknid, mdnid;
+ const EVP_MD *md;
+
+ siginf->mdnid = NID_undef;
+ siginf->pknid = NID_undef;
+ siginf->secbits = -1;
+ siginf->flags = 0;
+ if (!OBJ_find_sigid_algs(OBJ_obj2nid(alg->algorithm), &mdnid, &pknid)
+ || pknid == NID_undef)
+ return;
+ siginf->pknid = pknid;
+ if (mdnid == NID_undef) {
+ /* If we have one, use a custom handler for this algorithm */
+ const EVP_PKEY_ASN1_METHOD *ameth = EVP_PKEY_asn1_find(NULL, pknid);
+ if (ameth == NULL || ameth->siginf_set == NULL
+ || ameth->siginf_set(siginf, alg, sig) == 0)
+ return;
+ siginf->flags |= X509_SIG_INFO_VALID;
+ return;
+ }
+ siginf->flags |= X509_SIG_INFO_VALID;
+ siginf->mdnid = mdnid;
+ md = EVP_get_digestbynid(mdnid);
+ if (md == NULL)
+ return;
+ /* Security bits: half number of bits in digest */
+ siginf->secbits = EVP_MD_size(md) * 4;
+ /*
+ * SHA1 and MD5 are known to be broken. Reduce security bits so that
+ * they're no longer accepted at security level 1. The real values don't
+ * really matter as long as they're lower than 80, which is our security
+ * level 1.
+ * https://eprint.iacr.org/2020/014 puts a chosen-prefix attack for SHA1 at
+ * 2^63.4
+ * https://documents.epfl.ch/users/l/le/lenstra/public/papers/lat.pdf
+ * puts a chosen-prefix attack for MD5 at 2^39.
+ */
+ if (mdnid == NID_sha1)
+ siginf->secbits = 63;
+ else if (mdnid == NID_md5)
+ siginf->secbits = 39;
+ switch (mdnid) {
+ case NID_sha1:
+ case NID_sha256:
+ case NID_sha384:
+ case NID_sha512:
+ siginf->flags |= X509_SIG_INFO_TLS;
+ }
+}
+
+void x509_init_sig_info(X509 *x)
+{
+ x509_sig_info_init(&x->siginf, &x->sig_alg, &x->signature);
+}
projects / openssl.git / blobdiff