-/* crypto/pkcs7/pk7_lib.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2023 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 "internal/cryptlib.h"
#include <openssl/objects.h>
#include <openssl/x509.h>
+#include <openssl/pkcs7.h>
+#include "crypto/asn1.h"
+#include "crypto/evp.h"
+#include "crypto/x509.h" /* for sk_X509_add1_cert() */
+#include "pk7_local.h"
long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
- {
- int nid;
- long ret;
-
- nid=OBJ_obj2nid(p7->type);
-
- switch (cmd)
- {
- case PKCS7_OP_SET_DETACHED_SIGNATURE:
- if (nid == NID_pkcs7_signed)
- {
- ret=p7->detached=(int)larg;
- }
- else
- {
- PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
- ret=0;
- }
- break;
- case PKCS7_OP_GET_DETACHED_SIGNATURE:
- if (nid == NID_pkcs7_signed)
- {
- ret=p7->detached;
- }
- else
- {
- PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
- ret=0;
- }
-
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_CTRL,PKCS7_R_UNKNOWN_OPERATION);
- ret=0;
- }
- return(ret);
- }
+{
+ int nid;
+ long ret;
+
+ nid = OBJ_obj2nid(p7->type);
+
+ switch (cmd) {
+ /* NOTE(emilia): does not support detached digested data. */
+ case PKCS7_OP_SET_DETACHED_SIGNATURE:
+ if (nid == NID_pkcs7_signed) {
+ ret = p7->detached = (int)larg;
+ if (ret && PKCS7_type_is_data(p7->d.sign->contents)) {
+ ASN1_OCTET_STRING *os;
+ os = p7->d.sign->contents->d.data;
+ ASN1_OCTET_STRING_free(os);
+ p7->d.sign->contents->d.data = NULL;
+ }
+ } else {
+ ERR_raise(ERR_LIB_PKCS7,
+ PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
+ ret = 0;
+ }
+ break;
+ case PKCS7_OP_GET_DETACHED_SIGNATURE:
+ if (nid == NID_pkcs7_signed) {
+ if (p7->d.sign == NULL || p7->d.sign->contents->d.ptr == NULL)
+ ret = 1;
+ else
+ ret = 0;
+
+ p7->detached = ret;
+ } else {
+ ERR_raise(ERR_LIB_PKCS7,
+ PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
+ ret = 0;
+ }
+
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNKNOWN_OPERATION);
+ ret = 0;
+ }
+ return ret;
+}
int PKCS7_content_new(PKCS7 *p7, int type)
- {
- PKCS7 *ret=NULL;
-
- if ((ret=PKCS7_new()) == NULL) goto err;
- if (!PKCS7_set_type(ret,type)) goto err;
- if (!PKCS7_set_content(p7,ret)) goto err;
-
- return(1);
-err:
- if (ret != NULL) PKCS7_free(ret);
- return(0);
- }
+{
+ PKCS7 *ret = NULL;
+
+ if ((ret = PKCS7_new()) == NULL)
+ goto err;
+ if (!PKCS7_set_type(ret, type))
+ goto err;
+ if (!PKCS7_set_content(p7, ret))
+ goto err;
+
+ return 1;
+ err:
+ PKCS7_free(ret);
+ return 0;
+}
int PKCS7_set_content(PKCS7 *p7, PKCS7 *p7_data)
- {
- int i;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signed:
- if (p7->d.sign->contents != NULL)
- PKCS7_content_free(p7->d.sign->contents);
- p7->d.sign->contents=p7_data;
- break;
- case NID_pkcs7_digest:
- case NID_pkcs7_data:
- case NID_pkcs7_enveloped:
- case NID_pkcs7_signedAndEnveloped:
- case NID_pkcs7_encrypted:
- default:
- PKCS7err(PKCS7_F_PKCS7_SET_CONTENT,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
- goto err;
- }
- return(1);
-err:
- return(0);
- }
+{
+ int i;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signed:
+ PKCS7_free(p7->d.sign->contents);
+ p7->d.sign->contents = p7_data;
+ break;
+ case NID_pkcs7_digest:
+ PKCS7_free(p7->d.digest->contents);
+ p7->d.digest->contents = p7_data;
+ break;
+ case NID_pkcs7_data:
+ case NID_pkcs7_enveloped:
+ case NID_pkcs7_signedAndEnveloped:
+ case NID_pkcs7_encrypted:
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ goto err;
+ }
+ return 1;
+ err:
+ return 0;
+}
int PKCS7_set_type(PKCS7 *p7, int type)
- {
- ASN1_OBJECT *obj;
-
- PKCS7_content_free(p7);
- obj=OBJ_nid2obj(type); /* will not fail */
-
- switch (type)
- {
- case NID_pkcs7_signed:
- p7->type=obj;
- if ((p7->d.sign=PKCS7_SIGNED_new()) == NULL)
- goto err;
- ASN1_INTEGER_set(p7->d.sign->version,1);
- break;
- case NID_pkcs7_data:
- p7->type=obj;
- if ((p7->d.data=ASN1_OCTET_STRING_new()) == NULL)
- goto err;
- break;
- case NID_pkcs7_signedAndEnveloped:
- p7->type=obj;
- if ((p7->d.signed_and_enveloped=PKCS7_SIGN_ENVELOPE_new())
- == NULL) goto err;
- ASN1_INTEGER_set(p7->d.signed_and_enveloped->version,1);
-/* p7->d.signed_and_enveloped->enc_data->content_type=
- OBJ_nid2obj(NID_pkcs7_encrypted);*/
-
- break;
- case NID_pkcs7_enveloped:
- p7->type=obj;
- if ((p7->d.enveloped=PKCS7_ENVELOPE_new())
- == NULL) goto err;
- ASN1_INTEGER_set(p7->d.enveloped->version,0);
- break;
- case NID_pkcs7_digest:
- case NID_pkcs7_encrypted:
- default:
- PKCS7err(PKCS7_F_PKCS7_SET_TYPE,PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
- goto err;
- }
- return(1);
-err:
- return(0);
- }
+{
+ ASN1_OBJECT *obj;
+
+ /*
+ * PKCS7_content_free(p7);
+ */
+ obj = OBJ_nid2obj(type); /* will not fail */
+
+ switch (type) {
+ case NID_pkcs7_signed:
+ p7->type = obj;
+ if ((p7->d.sign = PKCS7_SIGNED_new()) == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.sign->version, 1)) {
+ PKCS7_SIGNED_free(p7->d.sign);
+ p7->d.sign = NULL;
+ goto err;
+ }
+ break;
+ case NID_pkcs7_data:
+ p7->type = obj;
+ if ((p7->d.data = ASN1_OCTET_STRING_new()) == NULL)
+ goto err;
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ p7->type = obj;
+ if ((p7->d.signed_and_enveloped = PKCS7_SIGN_ENVELOPE_new())
+ == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.signed_and_enveloped->version, 1))
+ goto err;
+ p7->d.signed_and_enveloped->enc_data->content_type
+ = OBJ_nid2obj(NID_pkcs7_data);
+ break;
+ case NID_pkcs7_enveloped:
+ p7->type = obj;
+ if ((p7->d.enveloped = PKCS7_ENVELOPE_new())
+ == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.enveloped->version, 0))
+ goto err;
+ p7->d.enveloped->enc_data->content_type = OBJ_nid2obj(NID_pkcs7_data);
+ break;
+ case NID_pkcs7_encrypted:
+ p7->type = obj;
+ if ((p7->d.encrypted = PKCS7_ENCRYPT_new())
+ == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.encrypted->version, 0))
+ goto err;
+ p7->d.encrypted->enc_data->content_type = OBJ_nid2obj(NID_pkcs7_data);
+ break;
+
+ case NID_pkcs7_digest:
+ p7->type = obj;
+ if ((p7->d.digest = PKCS7_DIGEST_new())
+ == NULL)
+ goto err;
+ if (!ASN1_INTEGER_set(p7->d.digest->version, 0))
+ goto err;
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
+ goto err;
+ }
+ return 1;
+ err:
+ return 0;
+}
+
+int PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other)
+{
+ p7->type = OBJ_nid2obj(type);
+ p7->d.other = other;
+ return 1;
+}
int PKCS7_add_signer(PKCS7 *p7, PKCS7_SIGNER_INFO *psi)
- {
- int i,j,nid;
- X509_ALGOR *alg;
- STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
- STACK_OF(X509_ALGOR) *md_sk;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signed:
- signer_sk= p7->d.sign->signer_info;
- md_sk= p7->d.sign->md_algs;
- break;
- case NID_pkcs7_signedAndEnveloped:
- signer_sk= p7->d.signed_and_enveloped->signer_info;
- md_sk= p7->d.signed_and_enveloped->md_algs;
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER,PKCS7_R_WRONG_CONTENT_TYPE);
- return(0);
- }
-
- nid=OBJ_obj2nid(psi->digest_alg->algorithm);
-
- /* If the digest is not currently listed, add it */
- j=0;
- for (i=0; i<sk_X509_ALGOR_num(md_sk); i++)
- {
- alg=sk_X509_ALGOR_value(md_sk,i);
- if (OBJ_obj2nid(alg->algorithm) == nid)
- {
- j=1;
- break;
- }
- }
- if (!j) /* we need to add another algorithm */
- {
- alg=X509_ALGOR_new();
- alg->algorithm=OBJ_nid2obj(nid);
- sk_X509_ALGOR_push(md_sk,alg);
- }
-
- sk_PKCS7_SIGNER_INFO_push(signer_sk,psi);
- return(1);
- }
+{
+ int i, j;
+ ASN1_OBJECT *obj;
+ X509_ALGOR *alg;
+ STACK_OF(PKCS7_SIGNER_INFO) *signer_sk;
+ STACK_OF(X509_ALGOR) *md_sk;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signed:
+ signer_sk = p7->d.sign->signer_info;
+ md_sk = p7->d.sign->md_algs;
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ signer_sk = p7->d.signed_and_enveloped->signer_info;
+ md_sk = p7->d.signed_and_enveloped->md_algs;
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 0;
+ }
+
+ obj = psi->digest_alg->algorithm;
+ /* If the digest is not currently listed, add it */
+ j = 0;
+ for (i = 0; i < sk_X509_ALGOR_num(md_sk); i++) {
+ alg = sk_X509_ALGOR_value(md_sk, i);
+ if (OBJ_cmp(obj, alg->algorithm) == 0) {
+ j = 1;
+ break;
+ }
+ }
+ if (!j) { /* we need to add another algorithm */
+ int nid;
+
+ if ((alg = X509_ALGOR_new()) == NULL
+ || (alg->parameter = ASN1_TYPE_new()) == NULL) {
+ X509_ALGOR_free(alg);
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
+ return 0;
+ }
+ /*
+ * If there is a constant copy of the ASN1 OBJECT in libcrypto, then
+ * use that. Otherwise, use a dynamically duplicated copy
+ */
+ if ((nid = OBJ_obj2nid(obj)) != NID_undef)
+ alg->algorithm = OBJ_nid2obj(nid);
+ else
+ alg->algorithm = OBJ_dup(obj);
+ alg->parameter->type = V_ASN1_NULL;
+ if (alg->algorithm == NULL || !sk_X509_ALGOR_push(md_sk, alg)) {
+ X509_ALGOR_free(alg);
+ return 0;
+ }
+ }
+
+ psi->ctx = ossl_pkcs7_get0_ctx(p7);
+ if (!sk_PKCS7_SIGNER_INFO_push(signer_sk, psi))
+ return 0;
+ return 1;
+}
int PKCS7_add_certificate(PKCS7 *p7, X509 *x509)
- {
- int i;
- STACK_OF(X509) **sk;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signed:
- sk= &(p7->d.sign->cert);
- break;
- case NID_pkcs7_signedAndEnveloped:
- sk= &(p7->d.signed_and_enveloped->cert);
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE,PKCS7_R_WRONG_CONTENT_TYPE);
- return(0);
- }
-
- if (*sk == NULL)
- *sk=sk_X509_new_null();
- CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
- sk_X509_push(*sk,x509);
- return(1);
- }
+{
+ int i;
+ STACK_OF(X509) **sk;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signed:
+ sk = &(p7->d.sign->cert);
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ sk = &(p7->d.signed_and_enveloped->cert);
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 0;
+ }
+
+ return ossl_x509_add_cert_new(sk, x509, X509_ADD_FLAG_UP_REF);
+}
int PKCS7_add_crl(PKCS7 *p7, X509_CRL *crl)
- {
- int i;
- STACK_OF(X509_CRL) **sk;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signed:
- sk= &(p7->d.sign->crl);
- break;
- case NID_pkcs7_signedAndEnveloped:
- sk= &(p7->d.signed_and_enveloped->crl);
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_ADD_CRL,PKCS7_R_WRONG_CONTENT_TYPE);
- return(0);
- }
-
- if (*sk == NULL)
- *sk=sk_X509_CRL_new_null();
-
- CRYPTO_add(&crl->references,1,CRYPTO_LOCK_X509_CRL);
- sk_X509_CRL_push(*sk,crl);
- return(1);
- }
+{
+ int i;
+ STACK_OF(X509_CRL) **sk;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signed:
+ sk = &(p7->d.sign->crl);
+ break;
+ case NID_pkcs7_signedAndEnveloped:
+ sk = &(p7->d.signed_and_enveloped->crl);
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 0;
+ }
+
+ if (*sk == NULL)
+ *sk = sk_X509_CRL_new_null();
+ if (*sk == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_CRYPTO_LIB);
+ return 0;
+ }
+
+ X509_CRL_up_ref(crl);
+ if (!sk_X509_CRL_push(*sk, crl)) {
+ X509_CRL_free(crl);
+ return 0;
+ }
+ return 1;
+}
+
+static int pkcs7_ecdsa_or_dsa_sign_verify_setup(PKCS7_SIGNER_INFO *si,
+ int verify)
+{
+ if (!verify) {
+ int snid, hnid;
+ X509_ALGOR *alg1, *alg2;
+ EVP_PKEY *pkey = si->pkey;
+
+ PKCS7_SIGNER_INFO_get0_algs(si, NULL, &alg1, &alg2);
+ if (alg1 == NULL || alg1->algorithm == NULL)
+ return -1;
+ hnid = OBJ_obj2nid(alg1->algorithm);
+ if (hnid == NID_undef)
+ return -1;
+ if (!OBJ_find_sigid_by_algs(&snid, hnid, EVP_PKEY_get_id(pkey)))
+ return -1;
+ return X509_ALGOR_set0(alg2, OBJ_nid2obj(snid), V_ASN1_UNDEF, NULL);
+ }
+ return 1;
+}
+
+static int pkcs7_rsa_sign_verify_setup(PKCS7_SIGNER_INFO *si, int verify)
+{
+ if (!verify) {
+ X509_ALGOR *alg = NULL;
+
+ PKCS7_SIGNER_INFO_get0_algs(si, NULL, NULL, &alg);
+ if (alg != NULL)
+ return X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption),
+ V_ASN1_NULL, NULL);
+ }
+ return 1;
+}
int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
- EVP_MD *dgst)
- {
- /* We now need to add another PKCS7_SIGNER_INFO entry */
- ASN1_INTEGER_set(p7i->version,1);
- X509_NAME_set(&p7i->issuer_and_serial->issuer,
- X509_get_issuer_name(x509));
-
- /* because ASN1_INTEGER_set is used to set a 'long' we will do
- * things the ugly way. */
- ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
- p7i->issuer_and_serial->serial=
- ASN1_INTEGER_dup(X509_get_serialNumber(x509));
-
- /* lets keep the pkey around for a while */
- CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY);
- p7i->pkey=pkey;
-
- /* Set the algorithms */
- if (pkey->type == EVP_PKEY_DSA)
- p7i->digest_alg->algorithm=OBJ_nid2obj(NID_sha1);
- else
- p7i->digest_alg->algorithm=OBJ_nid2obj(EVP_MD_type(dgst));
-
- if (p7i->digest_alg->parameter != NULL)
- ASN1_TYPE_free(p7i->digest_alg->parameter);
- if ((p7i->digest_alg->parameter=ASN1_TYPE_new()) == NULL)
- goto err;
- p7i->digest_alg->parameter->type=V_ASN1_NULL;
-
- p7i->digest_enc_alg->algorithm=OBJ_nid2obj(EVP_PKEY_type(pkey->type));
-
- if (p7i->digest_enc_alg->parameter != NULL)
- ASN1_TYPE_free(p7i->digest_enc_alg->parameter);
- if ((p7i->digest_enc_alg->parameter=ASN1_TYPE_new()) == NULL)
- goto err;
- p7i->digest_enc_alg->parameter->type=V_ASN1_NULL;
-
- return(1);
-err:
- return(0);
- }
+ const EVP_MD *dgst)
+{
+ int ret;
+
+ /* We now need to add another PKCS7_SIGNER_INFO entry */
+ if (!ASN1_INTEGER_set(p7i->version, 1))
+ return 0;
+ if (!X509_NAME_set(&p7i->issuer_and_serial->issuer,
+ X509_get_issuer_name(x509)))
+ return 0;
+
+ /*
+ * because ASN1_INTEGER_set is used to set a 'long' we will do things the
+ * ugly way.
+ */
+ ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
+ if (!(p7i->issuer_and_serial->serial =
+ ASN1_INTEGER_dup(X509_get0_serialNumber(x509))))
+ return 0;
+
+ /* lets keep the pkey around for a while */
+ EVP_PKEY_up_ref(pkey);
+ p7i->pkey = pkey;
+
+ /* Set the algorithms */
+
+ if (!X509_ALGOR_set0(p7i->digest_alg, OBJ_nid2obj(EVP_MD_get_type(dgst)),
+ V_ASN1_NULL, NULL))
+ return 0;
+
+ if (EVP_PKEY_is_a(pkey, "EC") || EVP_PKEY_is_a(pkey, "DSA"))
+ return pkcs7_ecdsa_or_dsa_sign_verify_setup(p7i, 0);
+ if (EVP_PKEY_is_a(pkey, "RSA"))
+ return pkcs7_rsa_sign_verify_setup(p7i, 0);
+
+ if (pkey->ameth != NULL && pkey->ameth->pkey_ctrl != NULL) {
+ ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN, 0, p7i);
+ if (ret > 0)
+ return 1;
+ if (ret != -2) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_SIGNING_CTRL_FAILURE);
+ return 0;
+ }
+ }
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ return 0;
+}
PKCS7_SIGNER_INFO *PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey,
- EVP_MD *dgst)
- {
- PKCS7_SIGNER_INFO *si;
-
- if ((si=PKCS7_SIGNER_INFO_new()) == NULL) goto err;
- if (!PKCS7_SIGNER_INFO_set(si,x509,pkey,dgst)) goto err;
- if (!PKCS7_add_signer(p7,si)) goto err;
- return(si);
-err:
- return(NULL);
- }
+ const EVP_MD *dgst)
+{
+ PKCS7_SIGNER_INFO *si = NULL;
+
+ if (dgst == NULL) {
+ int def_nid;
+ if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) <= 0)
+ goto err;
+ dgst = EVP_get_digestbynid(def_nid);
+ if (dgst == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_NO_DEFAULT_DIGEST);
+ goto err;
+ }
+ }
+
+ if ((si = PKCS7_SIGNER_INFO_new()) == NULL)
+ goto err;
+ if (PKCS7_SIGNER_INFO_set(si, x509, pkey, dgst) <= 0)
+ goto err;
+ if (!PKCS7_add_signer(p7, si))
+ goto err;
+ return si;
+ err:
+ PKCS7_SIGNER_INFO_free(si);
+ return NULL;
+}
+
+static STACK_OF(X509) *pkcs7_get_signer_certs(const PKCS7 *p7)
+{
+ if (p7->d.ptr == NULL)
+ return NULL;
+ if (PKCS7_type_is_signed(p7))
+ return p7->d.sign->cert;
+ if (PKCS7_type_is_signedAndEnveloped(p7))
+ return p7->d.signed_and_enveloped->cert;
+ return NULL;
+}
+
+static STACK_OF(PKCS7_RECIP_INFO) *pkcs7_get_recipient_info(const PKCS7 *p7)
+{
+ if (p7->d.ptr == NULL)
+ return NULL;
+ if (PKCS7_type_is_signedAndEnveloped(p7))
+ return p7->d.signed_and_enveloped->recipientinfo;
+ if (PKCS7_type_is_enveloped(p7))
+ return p7->d.enveloped->recipientinfo;
+ return NULL;
+}
+
+/*
+ * Set up the library context into any loaded structure that needs it.
+ * i.e loaded X509 objects.
+ */
+void ossl_pkcs7_resolve_libctx(PKCS7 *p7)
+{
+ int i;
+ const PKCS7_CTX *ctx = ossl_pkcs7_get0_ctx(p7);
+ OSSL_LIB_CTX *libctx = ossl_pkcs7_ctx_get0_libctx(ctx);
+ const char *propq = ossl_pkcs7_ctx_get0_propq(ctx);
+ STACK_OF(PKCS7_RECIP_INFO) *rinfos;
+ STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
+ STACK_OF(X509) *certs;
+
+ if (ctx == NULL || p7->d.ptr == NULL)
+ return;
+
+ rinfos = pkcs7_get_recipient_info(p7);
+ sinfos = PKCS7_get_signer_info(p7);
+ certs = pkcs7_get_signer_certs(p7);
+
+ for (i = 0; i < sk_X509_num(certs); i++)
+ ossl_x509_set0_libctx(sk_X509_value(certs, i), libctx, propq);
+
+ for (i = 0; i < sk_PKCS7_RECIP_INFO_num(rinfos); i++) {
+ PKCS7_RECIP_INFO *ri = sk_PKCS7_RECIP_INFO_value(rinfos, i);
+
+ ossl_x509_set0_libctx(ri->cert, libctx, propq);
+ }
+
+ for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) {
+ PKCS7_SIGNER_INFO *si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
+
+ if (si != NULL)
+ si->ctx = ctx;
+ }
+}
+
+const PKCS7_CTX *ossl_pkcs7_get0_ctx(const PKCS7 *p7)
+{
+ return p7 != NULL ? &p7->ctx : NULL;
+}
+
+void ossl_pkcs7_set0_libctx(PKCS7 *p7, OSSL_LIB_CTX *ctx)
+{
+ p7->ctx.libctx = ctx;
+}
+
+int ossl_pkcs7_set1_propq(PKCS7 *p7, const char *propq)
+{
+ if (p7->ctx.propq != NULL) {
+ OPENSSL_free(p7->ctx.propq);
+ p7->ctx.propq = NULL;
+ }
+ if (propq != NULL) {
+ p7->ctx.propq = OPENSSL_strdup(propq);
+ if (p7->ctx.propq == NULL)
+ return 0;
+ }
+ return 1;
+}
+
+int ossl_pkcs7_ctx_propagate(const PKCS7 *from, PKCS7 *to)
+{
+ ossl_pkcs7_set0_libctx(to, from->ctx.libctx);
+ if (!ossl_pkcs7_set1_propq(to, from->ctx.propq))
+ return 0;
+
+ ossl_pkcs7_resolve_libctx(to);
+ return 1;
+}
+
+OSSL_LIB_CTX *ossl_pkcs7_ctx_get0_libctx(const PKCS7_CTX *ctx)
+{
+ return ctx != NULL ? ctx->libctx : NULL;
+}
+const char *ossl_pkcs7_ctx_get0_propq(const PKCS7_CTX *ctx)
+{
+ return ctx != NULL ? ctx->propq : NULL;
+}
+
+int PKCS7_set_digest(PKCS7 *p7, const EVP_MD *md)
+{
+ if (PKCS7_type_is_digest(p7)) {
+ if ((p7->d.digest->md->parameter = ASN1_TYPE_new()) == NULL) {
+ ERR_raise(ERR_LIB_PKCS7, ERR_R_ASN1_LIB);
+ return 0;
+ }
+ p7->d.digest->md->parameter->type = V_ASN1_NULL;
+ p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md));
+ return 1;
+ }
+
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 1;
+}
STACK_OF(PKCS7_SIGNER_INFO) *PKCS7_get_signer_info(PKCS7 *p7)
- {
- if (PKCS7_type_is_signed(p7))
- {
- return(p7->d.sign->signer_info);
- }
- else if (PKCS7_type_is_signedAndEnveloped(p7))
- {
- return(p7->d.signed_and_enveloped->signer_info);
- }
- else
- return(NULL);
- }
+{
+ if (p7 == NULL || p7->d.ptr == NULL)
+ return NULL;
+ if (PKCS7_type_is_signed(p7)) {
+ return p7->d.sign->signer_info;
+ } else if (PKCS7_type_is_signedAndEnveloped(p7)) {
+ return p7->d.signed_and_enveloped->signer_info;
+ } else
+ return NULL;
+}
+
+void PKCS7_SIGNER_INFO_get0_algs(PKCS7_SIGNER_INFO *si, EVP_PKEY **pk,
+ X509_ALGOR **pdig, X509_ALGOR **psig)
+{
+ if (pk)
+ *pk = si->pkey;
+ if (pdig)
+ *pdig = si->digest_alg;
+ if (psig)
+ *psig = si->digest_enc_alg;
+}
+
+void PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc)
+{
+ if (penc)
+ *penc = ri->key_enc_algor;
+}
PKCS7_RECIP_INFO *PKCS7_add_recipient(PKCS7 *p7, X509 *x509)
- {
- PKCS7_RECIP_INFO *ri;
-
- if ((ri=PKCS7_RECIP_INFO_new()) == NULL) goto err;
- if (!PKCS7_RECIP_INFO_set(ri,x509)) goto err;
- if (!PKCS7_add_recipient_info(p7,ri)) goto err;
- return(ri);
-err:
- return(NULL);
- }
+{
+ PKCS7_RECIP_INFO *ri;
+
+ if ((ri = PKCS7_RECIP_INFO_new()) == NULL)
+ goto err;
+ if (PKCS7_RECIP_INFO_set(ri, x509) <= 0)
+ goto err;
+ if (!PKCS7_add_recipient_info(p7, ri))
+ goto err;
+ ri->ctx = ossl_pkcs7_get0_ctx(p7);
+ return ri;
+ err:
+ PKCS7_RECIP_INFO_free(ri);
+ return NULL;
+}
int PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
- {
- int i;
- STACK *sk;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signedAndEnveloped:
- sk= p7->d.signed_and_enveloped->recipientinfo;
- break;
- case NID_pkcs7_enveloped:
- sk= p7->d.enveloped->recipientinfo;
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,PKCS7_R_WRONG_CONTENT_TYPE);
- return(0);
- }
-
- sk_push(sk,(char *)ri);
- return(1);
- }
+{
+ int i;
+ STACK_OF(PKCS7_RECIP_INFO) *sk;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signedAndEnveloped:
+ sk = p7->d.signed_and_enveloped->recipientinfo;
+ break;
+ case NID_pkcs7_enveloped:
+ sk = p7->d.enveloped->recipientinfo;
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 0;
+ }
+
+ if (!sk_PKCS7_RECIP_INFO_push(sk, ri))
+ return 0;
+ return 1;
+}
+
+static int pkcs7_rsa_encrypt_decrypt_setup(PKCS7_RECIP_INFO *ri, int decrypt)
+{
+ X509_ALGOR *alg = NULL;
+
+ if (!decrypt) {
+ PKCS7_RECIP_INFO_get0_alg(ri, &alg);
+ if (alg != NULL)
+ return X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsaEncryption),
+ V_ASN1_NULL, NULL);
+ }
+ return 1;
+}
int PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
- {
- ASN1_INTEGER_set(p7i->version,0);
- X509_NAME_set(&p7i->issuer_and_serial->issuer,
- X509_get_issuer_name(x509));
-
- ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
- p7i->issuer_and_serial->serial=
- ASN1_INTEGER_dup(X509_get_serialNumber(x509));
-
- X509_ALGOR_free(p7i->key_enc_algor);
- p7i->key_enc_algor=(X509_ALGOR *)ASN1_dup(i2d_X509_ALGOR,
- (char *(*)())d2i_X509_ALGOR,
- (char *)x509->cert_info->key->algor);
-
- CRYPTO_add(&x509->references,1,CRYPTO_LOCK_X509);
- p7i->cert=x509;
-
- return(1);
- }
+{
+ int ret;
+ EVP_PKEY *pkey = NULL;
+ if (!ASN1_INTEGER_set(p7i->version, 0))
+ return 0;
+ if (!X509_NAME_set(&p7i->issuer_and_serial->issuer,
+ X509_get_issuer_name(x509)))
+ return 0;
+
+ ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
+ if (!(p7i->issuer_and_serial->serial =
+ ASN1_INTEGER_dup(X509_get0_serialNumber(x509))))
+ return 0;
+
+ pkey = X509_get0_pubkey(x509);
+ if (pkey == NULL)
+ return 0;
+
+ if (EVP_PKEY_is_a(pkey, "RSA-PSS"))
+ return -2;
+ if (EVP_PKEY_is_a(pkey, "RSA")) {
+ if (pkcs7_rsa_encrypt_decrypt_setup(p7i, 0) <= 0)
+ goto err;
+ goto finished;
+ }
+
+ if (pkey->ameth == NULL || pkey->ameth->pkey_ctrl == NULL) {
+ ERR_raise(ERR_LIB_PKCS7,
+ PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ goto err;
+ }
+
+ ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_ENCRYPT, 0, p7i);
+ if (ret == -2) {
+ ERR_raise(ERR_LIB_PKCS7,
+ PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ goto err;
+ }
+ if (ret <= 0) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_ENCRYPTION_CTRL_FAILURE);
+ goto err;
+ }
+finished:
+ X509_up_ref(x509);
+ p7i->cert = x509;
+
+ return 1;
+
+ err:
+ return 0;
+}
X509 *PKCS7_cert_from_signer_info(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
- {
- if (PKCS7_type_is_signed(p7))
- return(X509_find_by_issuer_and_serial(p7->d.sign->cert,
- si->issuer_and_serial->issuer,
- si->issuer_and_serial->serial));
- else
- return(NULL);
- }
+{
+ if (PKCS7_type_is_signed(p7))
+ return (X509_find_by_issuer_and_serial(p7->d.sign->cert,
+ si->issuer_and_serial->issuer,
+ si->
+ issuer_and_serial->serial));
+ else
+ return NULL;
+}
int PKCS7_set_cipher(PKCS7 *p7, const EVP_CIPHER *cipher)
- {
- int i;
- PKCS7_ENC_CONTENT *ec;
-
- i=OBJ_obj2nid(p7->type);
- switch (i)
- {
- case NID_pkcs7_signedAndEnveloped:
- ec=p7->d.signed_and_enveloped->enc_data;
- break;
- case NID_pkcs7_enveloped:
- ec=p7->d.enveloped->enc_data;
- break;
- default:
- PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,PKCS7_R_WRONG_CONTENT_TYPE);
- return(0);
- }
-
- /* Setup cipher OID */
-
- ec->cipher = cipher;
- return 1;
- }
-
+{
+ int i;
+ PKCS7_ENC_CONTENT *ec;
+
+ i = OBJ_obj2nid(p7->type);
+ switch (i) {
+ case NID_pkcs7_signedAndEnveloped:
+ ec = p7->d.signed_and_enveloped->enc_data;
+ break;
+ case NID_pkcs7_enveloped:
+ ec = p7->d.enveloped->enc_data;
+ break;
+ default:
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 0;
+ }
+
+ /* Check cipher OID exists and has data in it */
+ i = EVP_CIPHER_get_type(cipher);
+ if (i == NID_undef) {
+ ERR_raise(ERR_LIB_PKCS7, PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
+ return 0;
+ }
+
+ ec->cipher = cipher;
+ ec->ctx = ossl_pkcs7_get0_ctx(p7);
+ return 1;
+}
+
+/* unfortunately cannot constify BIO_new_NDEF() due to this and CMS_stream() */
+int PKCS7_stream(unsigned char ***boundary, PKCS7 *p7)
+{
+ ASN1_OCTET_STRING *os = NULL;
+
+ switch (OBJ_obj2nid(p7->type)) {
+ case NID_pkcs7_data:
+ os = p7->d.data;
+ break;
+
+ case NID_pkcs7_signedAndEnveloped:
+ os = p7->d.signed_and_enveloped->enc_data->enc_data;
+ if (os == NULL) {
+ os = ASN1_OCTET_STRING_new();
+ p7->d.signed_and_enveloped->enc_data->enc_data = os;
+ }
+ break;
+
+ case NID_pkcs7_enveloped:
+ os = p7->d.enveloped->enc_data->enc_data;
+ if (os == NULL) {
+ os = ASN1_OCTET_STRING_new();
+ p7->d.enveloped->enc_data->enc_data = os;
+ }
+ break;
+
+ case NID_pkcs7_signed:
+ os = p7->d.sign->contents->d.data;
+ break;
+
+ default:
+ os = NULL;
+ break;
+ }
+
+ if (os == NULL)
+ return 0;
+
+ os->flags |= ASN1_STRING_FLAG_NDEF;
+ *boundary = &os->data;
+
+ return 1;
+}
projects / openssl.git / blobdiff