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check in v3.8.0 source

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This commit is contained in:
torque
2023-08-31 00:49:24 -07:00
parent 3ef498f9e6
commit 316795abde
1218 changed files with 562506 additions and 0 deletions
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1041
crypto/pkcs7/pk7_asn1.c Normal file
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crypto/pkcs7/pk7_attr.c Normal file
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/* $OpenBSD: pk7_attr.c,v 1.14 2023/02/16 08:38:17 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 2001.
*/
/* ====================================================================
* Copyright (c) 2001-2004 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).
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <openssl/bio.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/pem.h>
#include <openssl/pkcs7.h>
#include <openssl/x509.h>
#include <openssl/err.h>
int
PKCS7_add_attrib_smimecap(PKCS7_SIGNER_INFO *si, STACK_OF(X509_ALGOR) *cap)
{
ASN1_STRING *seq;
if (!(seq = ASN1_STRING_new())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
seq->length = ASN1_item_i2d((ASN1_VALUE *)cap, &seq->data,
&X509_ALGORS_it);
return PKCS7_add_signed_attribute(si, NID_SMIMECapabilities,
V_ASN1_SEQUENCE, seq);
}
LCRYPTO_ALIAS(PKCS7_add_attrib_smimecap);
STACK_OF(X509_ALGOR) *
PKCS7_get_smimecap(PKCS7_SIGNER_INFO *si)
{
ASN1_TYPE *cap;
const unsigned char *p;
cap = PKCS7_get_signed_attribute(si, NID_SMIMECapabilities);
if (!cap || (cap->type != V_ASN1_SEQUENCE))
return NULL;
p = cap->value.sequence->data;
return (STACK_OF(X509_ALGOR) *)
ASN1_item_d2i(NULL, &p, cap->value.sequence->length,
&X509_ALGORS_it);
}
LCRYPTO_ALIAS(PKCS7_get_smimecap);
/* Basic smime-capabilities OID and optional integer arg */
int
PKCS7_simple_smimecap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
{
X509_ALGOR *alg;
if (!(alg = X509_ALGOR_new())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
ASN1_OBJECT_free(alg->algorithm);
alg->algorithm = OBJ_nid2obj(nid);
if (arg > 0) {
ASN1_INTEGER *nbit;
if (!(alg->parameter = ASN1_TYPE_new()))
goto err;
if (!(nbit = ASN1_INTEGER_new()))
goto err;
if (!ASN1_INTEGER_set(nbit, arg)) {
ASN1_INTEGER_free(nbit);
goto err;
}
alg->parameter->value.integer = nbit;
alg->parameter->type = V_ASN1_INTEGER;
}
if (sk_X509_ALGOR_push(sk, alg) == 0)
goto err;
return 1;
err:
PKCS7error(ERR_R_MALLOC_FAILURE);
X509_ALGOR_free(alg);
return 0;
}
LCRYPTO_ALIAS(PKCS7_simple_smimecap);
int
PKCS7_add_attrib_content_type(PKCS7_SIGNER_INFO *si, ASN1_OBJECT *coid)
{
if (PKCS7_get_signed_attribute(si, NID_pkcs9_contentType))
return 0;
if (!coid)
coid = OBJ_nid2obj(NID_pkcs7_data);
return PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
V_ASN1_OBJECT, coid);
}
LCRYPTO_ALIAS(PKCS7_add_attrib_content_type);
int
PKCS7_add0_attrib_signing_time(PKCS7_SIGNER_INFO *si, ASN1_TIME *t)
{
if (!t && !(t = X509_gmtime_adj(NULL, 0))) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
return PKCS7_add_signed_attribute(si, NID_pkcs9_signingTime,
V_ASN1_UTCTIME, t);
}
LCRYPTO_ALIAS(PKCS7_add0_attrib_signing_time);
int
PKCS7_add1_attrib_digest(PKCS7_SIGNER_INFO *si, const unsigned char *md,
int mdlen)
{
ASN1_OCTET_STRING *os;
os = ASN1_OCTET_STRING_new();
if (!os)
return 0;
if (!ASN1_STRING_set(os, md, mdlen) ||
!PKCS7_add_signed_attribute(si, NID_pkcs9_messageDigest,
V_ASN1_OCTET_STRING, os)) {
ASN1_OCTET_STRING_free(os);
return 0;
}
return 1;
}
LCRYPTO_ALIAS(PKCS7_add1_attrib_digest);

1264
crypto/pkcs7/pk7_doit.c Normal file
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674
crypto/pkcs7/pk7_lib.c Normal file
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/* $OpenBSD: pk7_lib.c,v 1.26 2023/02/16 08:38:17 tb Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* 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.]
*/
#include <stdio.h>
#include <openssl/err.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
#include "asn1_local.h"
#include "evp_local.h"
#include "x509_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;
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 {
PKCS7error(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 || !p7->d.sign->contents->d.ptr)
ret = 1;
else
ret = 0;
p7->detached = ret;
} else {
PKCS7error(PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE);
ret = 0;
}
break;
default:
PKCS7error(PKCS7_R_UNKNOWN_OPERATION);
ret = 0;
}
return (ret);
}
LCRYPTO_ALIAS(PKCS7_ctrl);
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);
}
LCRYPTO_ALIAS(PKCS7_content_new);
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_free(p7->d.sign->contents);
p7->d.sign->contents = p7_data;
break;
case NID_pkcs7_digest:
if (p7->d.digest->contents != NULL)
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:
PKCS7error(PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
goto err;
}
return (1);
err:
return (0);
}
LCRYPTO_ALIAS(PKCS7_set_content);
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;
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:
PKCS7error(PKCS7_R_UNSUPPORTED_CONTENT_TYPE);
goto err;
}
return (1);
err:
return (0);
}
LCRYPTO_ALIAS(PKCS7_set_type);
int
PKCS7_set0_type_other(PKCS7 *p7, int type, ASN1_TYPE *other)
{
p7->type = OBJ_nid2obj(type);
p7->d.other = other;
return 1;
}
LCRYPTO_ALIAS(PKCS7_set0_type_other);
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:
PKCS7error(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 */
{
if (!(alg = X509_ALGOR_new()) ||
!(alg->parameter = ASN1_TYPE_new())) {
X509_ALGOR_free(alg);
PKCS7error(ERR_R_MALLOC_FAILURE);
return (0);
}
alg->algorithm = OBJ_nid2obj(nid);
alg->parameter->type = V_ASN1_NULL;
if (!sk_X509_ALGOR_push(md_sk, alg)) {
X509_ALGOR_free(alg);
return 0;
}
}
if (!sk_PKCS7_SIGNER_INFO_push(signer_sk, psi))
return 0;
return (1);
}
LCRYPTO_ALIAS(PKCS7_add_signer);
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:
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return (0);
}
if (*sk == NULL)
*sk = sk_X509_new_null();
if (*sk == NULL) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509);
if (!sk_X509_push(*sk, x509)) {
X509_free(x509);
return 0;
}
return (1);
}
LCRYPTO_ALIAS(PKCS7_add_certificate);
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:
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return (0);
}
if (*sk == NULL)
*sk = sk_X509_CRL_new_null();
if (*sk == NULL) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
CRYPTO_add(&crl->references, 1, CRYPTO_LOCK_X509_CRL);
if (!sk_X509_CRL_push(*sk, crl)) {
X509_CRL_free(crl);
return 0;
}
return (1);
}
LCRYPTO_ALIAS(PKCS7_add_crl);
int
PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,
const EVP_MD *dgst)
{
int ret;
/* We now need to add another PKCS7_SIGNER_INFO entry */
if (!ASN1_INTEGER_set(p7i->version, 1))
goto err;
if (!X509_NAME_set(&p7i->issuer_and_serial->issuer,
X509_get_issuer_name(x509)))
goto err;
/* 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_get_serialNumber(x509))))
goto err;
/* lets keep the pkey around for a while */
CRYPTO_add(&pkey->references, 1, CRYPTO_LOCK_EVP_PKEY);
p7i->pkey = pkey;
/* Set the algorithms */
X509_ALGOR_set0(p7i->digest_alg, OBJ_nid2obj(EVP_MD_type(dgst)),
V_ASN1_NULL, NULL);
if (pkey->ameth && pkey->ameth->pkey_ctrl) {
ret = pkey->ameth->pkey_ctrl(pkey, ASN1_PKEY_CTRL_PKCS7_SIGN,
0, p7i);
if (ret > 0)
return 1;
if (ret != -2) {
PKCS7error(PKCS7_R_SIGNING_CTRL_FAILURE);
return 0;
}
}
PKCS7error(PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
err:
return 0;
}
LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_set);
PKCS7_SIGNER_INFO *
PKCS7_add_signature(PKCS7 *p7, X509 *x509, EVP_PKEY *pkey, 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) {
PKCS7error(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))
goto err;
if (!PKCS7_add_signer(p7, si))
goto err;
return (si);
err:
if (si)
PKCS7_SIGNER_INFO_free(si);
return (NULL);
}
LCRYPTO_ALIAS(PKCS7_add_signature);
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())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
p7->d.digest->md->parameter->type = V_ASN1_NULL;
p7->d.digest->md->algorithm = OBJ_nid2obj(EVP_MD_nid(md));
return 1;
}
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return 1;
}
LCRYPTO_ALIAS(PKCS7_set_digest);
STACK_OF(PKCS7_SIGNER_INFO) *
PKCS7_get_signer_info(PKCS7 *p7)
{
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);
}
LCRYPTO_ALIAS(PKCS7_get_signer_info);
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;
}
LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_get0_algs);
void
PKCS7_RECIP_INFO_get0_alg(PKCS7_RECIP_INFO *ri, X509_ALGOR **penc)
{
if (penc)
*penc = ri->key_enc_algor;
}
LCRYPTO_ALIAS(PKCS7_RECIP_INFO_get0_alg);
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:
if (ri)
PKCS7_RECIP_INFO_free(ri);
return NULL;
}
LCRYPTO_ALIAS(PKCS7_add_recipient);
int
PKCS7_add_recipient_info(PKCS7 *p7, PKCS7_RECIP_INFO *ri)
{
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:
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return (0);
}
if (!sk_PKCS7_RECIP_INFO_push(sk, ri))
return 0;
return (1);
}
LCRYPTO_ALIAS(PKCS7_add_recipient_info);
int
PKCS7_RECIP_INFO_set(PKCS7_RECIP_INFO *p7i, X509 *x509)
{
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_get_serialNumber(x509))))
return 0;
pkey = X509_get_pubkey(x509);
if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl) {
PKCS7error(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) {
PKCS7error(PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
goto err;
}
if (ret <= 0) {
PKCS7error(PKCS7_R_ENCRYPTION_CTRL_FAILURE);
goto err;
}
EVP_PKEY_free(pkey);
CRYPTO_add(&x509->references, 1, CRYPTO_LOCK_X509);
p7i->cert = x509;
return 1;
err:
EVP_PKEY_free(pkey);
return 0;
}
LCRYPTO_ALIAS(PKCS7_RECIP_INFO_set);
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);
}
LCRYPTO_ALIAS(PKCS7_cert_from_signer_info);
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:
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return (0);
}
/* Check cipher OID exists and has data in it*/
i = EVP_CIPHER_type(cipher);
if (i == NID_undef) {
PKCS7error(PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
return (0);
}
ec->cipher = cipher;
return 1;
}
LCRYPTO_ALIAS(PKCS7_set_cipher);
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;
}
LCRYPTO_ALIAS(PKCS7_stream);

107
crypto/pkcs7/pk7_mime.c Normal file
View File

@@ -0,0 +1,107 @@
/* $OpenBSD: pk7_mime.c,v 1.19 2023/05/02 09:56:12 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 1999-2005 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.
* ====================================================================
*
*/
#include <ctype.h>
#include <stdio.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include "asn1_local.h"
/* PKCS#7 wrappers round generalised stream and MIME routines */
BIO *
BIO_new_PKCS7(BIO *out, PKCS7 *p7)
{
return BIO_new_NDEF(out, (ASN1_VALUE *)p7, &PKCS7_it);
}
LCRYPTO_ALIAS(BIO_new_PKCS7);
int
i2d_PKCS7_bio_stream(BIO *out, PKCS7 *p7, BIO *in, int flags)
{
return i2d_ASN1_bio_stream(out, (ASN1_VALUE *)p7, in, flags, &PKCS7_it);
}
LCRYPTO_ALIAS(i2d_PKCS7_bio_stream);
int
PEM_write_bio_PKCS7_stream(BIO *out, PKCS7 *p7, BIO *in, int flags)
{
return PEM_write_bio_ASN1_stream(out, (ASN1_VALUE *) p7, in, flags,
"PKCS7", &PKCS7_it);
}
LCRYPTO_ALIAS(PEM_write_bio_PKCS7_stream);
int
SMIME_write_PKCS7(BIO *bio, PKCS7 *p7, BIO *data, int flags)
{
STACK_OF(X509_ALGOR) *mdalgs = NULL;
int ctype_nid;
if ((ctype_nid = OBJ_obj2nid(p7->type)) == NID_pkcs7_signed)
mdalgs = p7->d.sign->md_algs;
flags ^= SMIME_OLDMIME;
return SMIME_write_ASN1(bio, (ASN1_VALUE *)p7, data, flags,
ctype_nid, NID_undef, mdalgs, &PKCS7_it);
}
LCRYPTO_ALIAS(SMIME_write_PKCS7);
PKCS7 *
SMIME_read_PKCS7(BIO *bio, BIO **bcont)
{
return (PKCS7 *)SMIME_read_ASN1(bio, bcont, &PKCS7_it);
}
LCRYPTO_ALIAS(SMIME_read_PKCS7);

599
crypto/pkcs7/pk7_smime.c Normal file
View File

@@ -0,0 +1,599 @@
/* $OpenBSD: pk7_smime.c,v 1.26 2023/02/16 08:38:17 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 1999-2004 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).
*
*/
/* Simple PKCS#7 processing functions */
#include <stdio.h>
#include <openssl/err.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include "x509_local.h"
static int pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si);
PKCS7 *
PKCS7_sign(X509 *signcert, EVP_PKEY *pkey, STACK_OF(X509) *certs, BIO *data,
int flags)
{
PKCS7 *p7;
int i;
if (!(p7 = PKCS7_new())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return NULL;
}
if (!PKCS7_set_type(p7, NID_pkcs7_signed))
goto err;
if (!PKCS7_content_new(p7, NID_pkcs7_data))
goto err;
if (pkey && !PKCS7_sign_add_signer(p7, signcert, pkey, NULL, flags)) {
PKCS7error(PKCS7_R_PKCS7_ADD_SIGNER_ERROR);
goto err;
}
if (!(flags & PKCS7_NOCERTS)) {
for (i = 0; i < sk_X509_num(certs); i++) {
if (!PKCS7_add_certificate(p7, sk_X509_value(certs, i)))
goto err;
}
}
if (flags & PKCS7_DETACHED)
PKCS7_set_detached(p7, 1);
if (flags & (PKCS7_STREAM|PKCS7_PARTIAL))
return p7;
if (PKCS7_final(p7, data, flags))
return p7;
err:
PKCS7_free(p7);
return NULL;
}
LCRYPTO_ALIAS(PKCS7_sign);
int
PKCS7_final(PKCS7 *p7, BIO *data, int flags)
{
BIO *p7bio;
int ret = 0;
if (!(p7bio = PKCS7_dataInit(p7, NULL))) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
SMIME_crlf_copy(data, p7bio, flags);
(void)BIO_flush(p7bio);
if (!PKCS7_dataFinal(p7, p7bio)) {
PKCS7error(PKCS7_R_PKCS7_DATASIGN);
goto err;
}
ret = 1;
err:
BIO_free_all(p7bio);
return ret;
}
LCRYPTO_ALIAS(PKCS7_final);
/* Check to see if a cipher exists and if so add S/MIME capabilities */
static int
add_cipher_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
{
if (EVP_get_cipherbynid(nid))
return PKCS7_simple_smimecap(sk, nid, arg);
return 1;
}
static int
add_digest_smcap(STACK_OF(X509_ALGOR) *sk, int nid, int arg)
{
if (EVP_get_digestbynid(nid))
return PKCS7_simple_smimecap(sk, nid, arg);
return 1;
}
PKCS7_SIGNER_INFO *
PKCS7_sign_add_signer(PKCS7 *p7, X509 *signcert, EVP_PKEY *pkey,
const EVP_MD *md, int flags)
{
PKCS7_SIGNER_INFO *si = NULL;
STACK_OF(X509_ALGOR) *smcap = NULL;
if (!X509_check_private_key(signcert, pkey)) {
PKCS7error(PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
return NULL;
}
if (!(si = PKCS7_add_signature(p7, signcert, pkey, md))) {
PKCS7error(PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR);
return NULL;
}
if (!(flags & PKCS7_NOCERTS)) {
if (!PKCS7_add_certificate(p7, signcert))
goto err;
}
if (!(flags & PKCS7_NOATTR)) {
if (!PKCS7_add_attrib_content_type(si, NULL))
goto err;
/* Add SMIMECapabilities */
if (!(flags & PKCS7_NOSMIMECAP)) {
if (!(smcap = sk_X509_ALGOR_new_null())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
goto err;
}
if (!add_cipher_smcap(smcap, NID_aes_256_cbc, -1) ||
!add_digest_smcap(smcap, NID_id_GostR3411_94, -1) ||
!add_digest_smcap(smcap, NID_id_tc26_gost3411_2012_256, -1) ||
!add_digest_smcap(smcap, NID_id_tc26_gost3411_2012_512, -1) ||
!add_cipher_smcap(smcap, NID_id_Gost28147_89, -1) ||
!add_cipher_smcap(smcap, NID_aes_192_cbc, -1) ||
!add_cipher_smcap(smcap, NID_aes_128_cbc, -1) ||
!add_cipher_smcap(smcap, NID_des_ede3_cbc, -1) ||
!add_cipher_smcap(smcap, NID_rc2_cbc, 128) ||
!add_cipher_smcap(smcap, NID_rc2_cbc, 64) ||
!add_cipher_smcap(smcap, NID_des_cbc, -1) ||
!add_cipher_smcap(smcap, NID_rc2_cbc, 40) ||
!PKCS7_add_attrib_smimecap(si, smcap))
goto err;
sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
smcap = NULL;
}
if (flags & PKCS7_REUSE_DIGEST) {
if (!pkcs7_copy_existing_digest(p7, si))
goto err;
if (!(flags & PKCS7_PARTIAL) &&
!PKCS7_SIGNER_INFO_sign(si))
goto err;
}
}
return si;
err:
if (smcap)
sk_X509_ALGOR_pop_free(smcap, X509_ALGOR_free);
return NULL;
}
LCRYPTO_ALIAS(PKCS7_sign_add_signer);
/* Search for a digest matching SignerInfo digest type and if found
* copy across.
*/
static int
pkcs7_copy_existing_digest(PKCS7 *p7, PKCS7_SIGNER_INFO *si)
{
int i;
STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
PKCS7_SIGNER_INFO *sitmp;
ASN1_OCTET_STRING *osdig = NULL;
sinfos = PKCS7_get_signer_info(p7);
for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) {
sitmp = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
if (si == sitmp)
break;
if (sk_X509_ATTRIBUTE_num(sitmp->auth_attr) <= 0)
continue;
if (!OBJ_cmp(si->digest_alg->algorithm,
sitmp->digest_alg->algorithm)) {
osdig = PKCS7_digest_from_attributes(sitmp->auth_attr);
break;
}
}
if (osdig)
return PKCS7_add1_attrib_digest(si, osdig->data, osdig->length);
PKCS7error(PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND);
return 0;
}
int
PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store, BIO *indata,
BIO *out, int flags)
{
STACK_OF(X509) *signers;
X509 *signer;
STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
PKCS7_SIGNER_INFO *si;
X509_STORE_CTX cert_ctx;
char buf[4096];
int i, j = 0, k, ret = 0;
BIO *p7bio;
BIO *tmpin, *tmpout;
if (!p7) {
PKCS7error(PKCS7_R_INVALID_NULL_POINTER);
return 0;
}
if (!PKCS7_type_is_signed(p7)) {
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return 0;
}
/* Check for no data and no content: no data to verify signature */
if (PKCS7_get_detached(p7) && !indata) {
PKCS7error(PKCS7_R_NO_CONTENT);
return 0;
}
/*
* Very old Netscape illegally included empty content with
* a detached signature. Very old users should upgrade.
*/
/* Check for data and content: two sets of data */
if (!PKCS7_get_detached(p7) && indata) {
PKCS7error(PKCS7_R_CONTENT_AND_DATA_PRESENT);
return 0;
}
sinfos = PKCS7_get_signer_info(p7);
if (!sinfos || !sk_PKCS7_SIGNER_INFO_num(sinfos)) {
PKCS7error(PKCS7_R_NO_SIGNATURES_ON_DATA);
return 0;
}
signers = PKCS7_get0_signers(p7, certs, flags);
if (!signers)
return 0;
/* Now verify the certificates */
if (!(flags & PKCS7_NOVERIFY))
for (k = 0; k < sk_X509_num(signers); k++) {
signer = sk_X509_value (signers, k);
if (!(flags & PKCS7_NOCHAIN)) {
if (!X509_STORE_CTX_init(&cert_ctx, store,
signer, p7->d.sign->cert)) {
PKCS7error(ERR_R_X509_LIB);
sk_X509_free(signers);
return 0;
}
if (X509_STORE_CTX_set_default(&cert_ctx,
"smime_sign") == 0) {
sk_X509_free(signers);
return 0;
}
} else if (!X509_STORE_CTX_init(&cert_ctx, store,
signer, NULL)) {
PKCS7error(ERR_R_X509_LIB);
sk_X509_free(signers);
return 0;
}
if (!(flags & PKCS7_NOCRL))
X509_STORE_CTX_set0_crls(&cert_ctx, p7->d.sign->crl);
i = X509_verify_cert(&cert_ctx);
if (i <= 0)
j = X509_STORE_CTX_get_error(&cert_ctx);
X509_STORE_CTX_cleanup(&cert_ctx);
if (i <= 0) {
PKCS7error(PKCS7_R_CERTIFICATE_VERIFY_ERROR);
ERR_asprintf_error_data("Verify error:%s",
X509_verify_cert_error_string(j));
sk_X509_free(signers);
return 0;
}
/* Check for revocation status here */
}
/*
* Performance optimization: if the content is a memory BIO then
* store its contents in a temporary read only memory BIO. This
* avoids potentially large numbers of slow copies of data which will
* occur when reading from a read write memory BIO when signatures
* are calculated.
*/
if (indata && (BIO_method_type(indata) == BIO_TYPE_MEM)) {
char *ptr;
long len;
len = BIO_get_mem_data(indata, &ptr);
tmpin = BIO_new_mem_buf(ptr, len);
if (tmpin == NULL) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return 0;
}
} else
tmpin = indata;
if (!(p7bio = PKCS7_dataInit(p7, tmpin)))
goto err;
if (flags & PKCS7_TEXT) {
if (!(tmpout = BIO_new(BIO_s_mem()))) {
PKCS7error(ERR_R_MALLOC_FAILURE);
goto err;
}
BIO_set_mem_eof_return(tmpout, 0);
} else
tmpout = out;
/* We now have to 'read' from p7bio to calculate digests etc. */
for (;;) {
i = BIO_read(p7bio, buf, sizeof(buf));
if (i <= 0)
break;
if (tmpout)
BIO_write(tmpout, buf, i);
}
if (flags & PKCS7_TEXT) {
if (!SMIME_text(tmpout, out)) {
PKCS7error(PKCS7_R_SMIME_TEXT_ERROR);
BIO_free(tmpout);
goto err;
}
BIO_free(tmpout);
}
/* Now Verify All Signatures */
if (!(flags & PKCS7_NOSIGS))
for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) {
si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
signer = sk_X509_value (signers, i);
j = PKCS7_signatureVerify(p7bio, p7, si, signer);
if (j <= 0) {
PKCS7error(PKCS7_R_SIGNATURE_FAILURE);
goto err;
}
}
ret = 1;
err:
if (tmpin == indata) {
if (indata)
BIO_pop(p7bio);
}
BIO_free_all(p7bio);
sk_X509_free(signers);
return ret;
}
LCRYPTO_ALIAS(PKCS7_verify);
STACK_OF(X509) *
PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs, int flags)
{
STACK_OF(X509) *signers;
STACK_OF(PKCS7_SIGNER_INFO) *sinfos;
PKCS7_SIGNER_INFO *si;
PKCS7_ISSUER_AND_SERIAL *ias;
X509 *signer;
int i;
if (!p7) {
PKCS7error(PKCS7_R_INVALID_NULL_POINTER);
return NULL;
}
if (!PKCS7_type_is_signed(p7)) {
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return NULL;
}
/* Collect all the signers together */
sinfos = PKCS7_get_signer_info(p7);
if (sk_PKCS7_SIGNER_INFO_num(sinfos) <= 0) {
PKCS7error(PKCS7_R_NO_SIGNERS);
return 0;
}
if (!(signers = sk_X509_new_null())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return NULL;
}
for (i = 0; i < sk_PKCS7_SIGNER_INFO_num(sinfos); i++) {
si = sk_PKCS7_SIGNER_INFO_value(sinfos, i);
ias = si->issuer_and_serial;
signer = NULL;
/* If any certificates passed they take priority */
if (certs)
signer = X509_find_by_issuer_and_serial (certs,
ias->issuer, ias->serial);
if (!signer && !(flags & PKCS7_NOINTERN) && p7->d.sign->cert)
signer =
X509_find_by_issuer_and_serial(p7->d.sign->cert,
ias->issuer, ias->serial);
if (!signer) {
PKCS7error(PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND);
sk_X509_free(signers);
return 0;
}
if (!sk_X509_push(signers, signer)) {
sk_X509_free(signers);
return NULL;
}
}
return signers;
}
LCRYPTO_ALIAS(PKCS7_get0_signers);
/* Build a complete PKCS#7 enveloped data */
PKCS7 *
PKCS7_encrypt(STACK_OF(X509) *certs, BIO *in, const EVP_CIPHER *cipher,
int flags)
{
PKCS7 *p7;
BIO *p7bio = NULL;
int i;
X509 *x509;
if (!(p7 = PKCS7_new())) {
PKCS7error(ERR_R_MALLOC_FAILURE);
return NULL;
}
if (!PKCS7_set_type(p7, NID_pkcs7_enveloped))
goto err;
if (!PKCS7_set_cipher(p7, cipher)) {
PKCS7error(PKCS7_R_ERROR_SETTING_CIPHER);
goto err;
}
for (i = 0; i < sk_X509_num(certs); i++) {
x509 = sk_X509_value(certs, i);
if (!PKCS7_add_recipient(p7, x509)) {
PKCS7error(PKCS7_R_ERROR_ADDING_RECIPIENT);
goto err;
}
}
if (flags & PKCS7_STREAM)
return p7;
if (PKCS7_final(p7, in, flags))
return p7;
err:
BIO_free_all(p7bio);
PKCS7_free(p7);
return NULL;
}
LCRYPTO_ALIAS(PKCS7_encrypt);
int
PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags)
{
BIO *tmpmem;
int ret, i;
char buf[4096];
if (!p7) {
PKCS7error(PKCS7_R_INVALID_NULL_POINTER);
return 0;
}
if (!PKCS7_type_is_enveloped(p7)) {
PKCS7error(PKCS7_R_WRONG_CONTENT_TYPE);
return 0;
}
if (cert && !X509_check_private_key(cert, pkey)) {
PKCS7error(PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
return 0;
}
if (!(tmpmem = PKCS7_dataDecode(p7, pkey, NULL, cert))) {
PKCS7error(PKCS7_R_DECRYPT_ERROR);
return 0;
}
if (flags & PKCS7_TEXT) {
BIO *tmpbuf;
/* Encrypt BIOs can't do BIO_gets() so add a buffer BIO */
if (!(tmpbuf = BIO_new(BIO_f_buffer()))) {
PKCS7error(ERR_R_MALLOC_FAILURE);
BIO_free_all(tmpmem);
return 0;
}
BIO_push(tmpbuf, tmpmem);
ret = SMIME_text(tmpbuf, data);
if (ret > 0 && BIO_method_type(tmpmem) == BIO_TYPE_CIPHER) {
if (!BIO_get_cipher_status(tmpmem))
ret = 0;
}
BIO_free_all(tmpbuf);
return ret;
} else {
for (;;) {
i = BIO_read(tmpmem, buf, sizeof(buf));
if (i <= 0) {
ret = 1;
if (BIO_method_type(tmpmem) ==
BIO_TYPE_CIPHER) {
if (!BIO_get_cipher_status(tmpmem))
ret = 0;
}
break;
}
if (BIO_write(data, buf, i) != i) {
ret = 0;
break;
}
}
BIO_free_all(tmpmem);
return ret;
}
}
LCRYPTO_ALIAS(PKCS7_decrypt);

143
crypto/pkcs7/pkcs7err.c Normal file
View File

@@ -0,0 +1,143 @@
/* $OpenBSD: pkcs7err.c,v 1.15 2023/02/16 08:38:17 tb Exp $ */
/* ====================================================================
* Copyright (c) 1999-2007 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
* openssl-core@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).
*
*/
#include <stdio.h>
#include <openssl/opensslconf.h>
#include <openssl/err.h>
#include <openssl/pkcs7.h>
#ifndef OPENSSL_NO_ERR
#define ERR_FUNC(func) ERR_PACK(ERR_LIB_PKCS7,func,0)
#define ERR_REASON(reason) ERR_PACK(ERR_LIB_PKCS7,0,reason)
static ERR_STRING_DATA PKCS7_str_functs[]= {
{ERR_FUNC(0xfff), "CRYPTO_internal"},
{0, NULL}
};
static ERR_STRING_DATA PKCS7_str_reasons[]= {
{ERR_REASON(PKCS7_R_CERTIFICATE_VERIFY_ERROR), "certificate verify error"},
{ERR_REASON(PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER), "cipher has no object identifier"},
{ERR_REASON(PKCS7_R_CIPHER_NOT_INITIALIZED), "cipher not initialized"},
{ERR_REASON(PKCS7_R_CONTENT_AND_DATA_PRESENT), "content and data present"},
{ERR_REASON(PKCS7_R_CTRL_ERROR) , "ctrl error"},
{ERR_REASON(PKCS7_R_DECODE_ERROR) , "decode error"},
{ERR_REASON(PKCS7_R_DECRYPTED_KEY_IS_WRONG_LENGTH), "decrypted key is wrong length"},
{ERR_REASON(PKCS7_R_DECRYPT_ERROR) , "decrypt error"},
{ERR_REASON(PKCS7_R_DIGEST_FAILURE) , "digest failure"},
{ERR_REASON(PKCS7_R_ENCRYPTION_CTRL_FAILURE), "encryption ctrl failure"},
{ERR_REASON(PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE), "encryption not supported for this key type"},
{ERR_REASON(PKCS7_R_ERROR_ADDING_RECIPIENT), "error adding recipient"},
{ERR_REASON(PKCS7_R_ERROR_SETTING_CIPHER), "error setting cipher"},
{ERR_REASON(PKCS7_R_INVALID_MIME_TYPE) , "invalid mime type"},
{ERR_REASON(PKCS7_R_INVALID_NULL_POINTER), "invalid null pointer"},
{ERR_REASON(PKCS7_R_MIME_NO_CONTENT_TYPE), "mime no content type"},
{ERR_REASON(PKCS7_R_MIME_PARSE_ERROR) , "mime parse error"},
{ERR_REASON(PKCS7_R_MIME_SIG_PARSE_ERROR), "mime sig parse error"},
{ERR_REASON(PKCS7_R_MISSING_CERIPEND_INFO), "missing ceripend info"},
{ERR_REASON(PKCS7_R_NO_CONTENT) , "no content"},
{ERR_REASON(PKCS7_R_NO_CONTENT_TYPE) , "no content type"},
{ERR_REASON(PKCS7_R_NO_DEFAULT_DIGEST) , "no default digest"},
{ERR_REASON(PKCS7_R_NO_MATCHING_DIGEST_TYPE_FOUND), "no matching digest type found"},
{ERR_REASON(PKCS7_R_NO_MULTIPART_BODY_FAILURE), "no multipart body failure"},
{ERR_REASON(PKCS7_R_NO_MULTIPART_BOUNDARY), "no multipart boundary"},
{ERR_REASON(PKCS7_R_NO_RECIPIENT_MATCHES_CERTIFICATE), "no recipient matches certificate"},
{ERR_REASON(PKCS7_R_NO_RECIPIENT_MATCHES_KEY), "no recipient matches key"},
{ERR_REASON(PKCS7_R_NO_SIGNATURES_ON_DATA), "no signatures on data"},
{ERR_REASON(PKCS7_R_NO_SIGNERS) , "no signers"},
{ERR_REASON(PKCS7_R_NO_SIG_CONTENT_TYPE) , "no sig content type"},
{ERR_REASON(PKCS7_R_OPERATION_NOT_SUPPORTED_ON_THIS_TYPE), "operation not supported on this type"},
{ERR_REASON(PKCS7_R_PKCS7_ADD_SIGNATURE_ERROR), "pkcs7 add signature error"},
{ERR_REASON(PKCS7_R_PKCS7_ADD_SIGNER_ERROR), "pkcs7 add signer error"},
{ERR_REASON(PKCS7_R_PKCS7_DATAFINAL) , "pkcs7 datafinal"},
{ERR_REASON(PKCS7_R_PKCS7_DATAFINAL_ERROR), "pkcs7 datafinal error"},
{ERR_REASON(PKCS7_R_PKCS7_DATASIGN) , "pkcs7 datasign"},
{ERR_REASON(PKCS7_R_PKCS7_PARSE_ERROR) , "pkcs7 parse error"},
{ERR_REASON(PKCS7_R_PKCS7_SIG_PARSE_ERROR), "pkcs7 sig parse error"},
{ERR_REASON(PKCS7_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE), "private key does not match certificate"},
{ERR_REASON(PKCS7_R_SIGNATURE_FAILURE) , "signature failure"},
{ERR_REASON(PKCS7_R_SIGNER_CERTIFICATE_NOT_FOUND), "signer certificate not found"},
{ERR_REASON(PKCS7_R_SIGNING_CTRL_FAILURE), "signing ctrl failure"},
{ERR_REASON(PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE), "signing not supported for this key type"},
{ERR_REASON(PKCS7_R_SIG_INVALID_MIME_TYPE), "sig invalid mime type"},
{ERR_REASON(PKCS7_R_SMIME_TEXT_ERROR) , "smime text error"},
{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_CERTIFICATE), "unable to find certificate"},
{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_MEM_BIO), "unable to find mem bio"},
{ERR_REASON(PKCS7_R_UNABLE_TO_FIND_MESSAGE_DIGEST), "unable to find message digest"},
{ERR_REASON(PKCS7_R_UNKNOWN_DIGEST_TYPE) , "unknown digest type"},
{ERR_REASON(PKCS7_R_UNKNOWN_OPERATION) , "unknown operation"},
{ERR_REASON(PKCS7_R_UNSUPPORTED_CIPHER_TYPE), "unsupported cipher type"},
{ERR_REASON(PKCS7_R_UNSUPPORTED_CONTENT_TYPE), "unsupported content type"},
{ERR_REASON(PKCS7_R_WRONG_CONTENT_TYPE) , "wrong content type"},
{ERR_REASON(PKCS7_R_WRONG_PKCS7_TYPE) , "wrong pkcs7 type"},
{0, NULL}
};
#endif
void
ERR_load_PKCS7_strings(void)
{
#ifndef OPENSSL_NO_ERR
if (ERR_func_error_string(PKCS7_str_functs[0].error) == NULL) {
ERR_load_strings(0, PKCS7_str_functs);
ERR_load_strings(0, PKCS7_str_reasons);
}
#endif
}
LCRYPTO_ALIAS(ERR_load_PKCS7_strings);