summaryrefslogtreecommitdiff
path: root/thirdparty/openssl/crypto/pkcs7/pk7_lib.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/openssl/crypto/pkcs7/pk7_lib.c')
-rw-r--r--thirdparty/openssl/crypto/pkcs7/pk7_lib.c646
1 files changed, 646 insertions, 0 deletions
diff --git a/thirdparty/openssl/crypto/pkcs7/pk7_lib.c b/thirdparty/openssl/crypto/pkcs7/pk7_lib.c
new file mode 100644
index 0000000000..0c5fcaa6aa
--- /dev/null
+++ b/thirdparty/openssl/crypto/pkcs7/pk7_lib.c
@@ -0,0 +1,646 @@
+/* crypto/pkcs7/pk7_lib.c */
+/* 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 "cryptlib.h"
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+#include "asn1_locl.h"
+
+long PKCS7_ctrl(PKCS7 *p7, int cmd, long larg, char *parg)
+{
+ 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 {
+ 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) {
+ if (!p7->d.sign || !p7->d.sign->contents->d.ptr)
+ ret = 1;
+ else
+ ret = 0;
+
+ p7->detached = ret;
+ } 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 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);
+}
+
+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:
+ PKCS7err(PKCS7_F_PKCS7_SET_CONTENT, 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;
+ 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 = M_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);
+ 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:
+ PKCS7err(PKCS7_F_PKCS7_SET_TYPE, 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 */
+ if (!(alg = X509_ALGOR_new())
+ || !(alg->parameter = ASN1_TYPE_new())) {
+ X509_ALGOR_free(alg);
+ PKCS7err(PKCS7_F_PKCS7_ADD_SIGNER, 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);
+}
+
+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();
+ if (*sk == NULL) {
+ PKCS7err(PKCS7_F_PKCS7_ADD_CERTIFICATE, 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);
+}
+
+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();
+ if (*sk == NULL) {
+ PKCS7err(PKCS7_F_PKCS7_ADD_CRL, 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);
+}
+
+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.
+ */
+ M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
+ if (!(p7i->issuer_and_serial->serial =
+ M_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) {
+ PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET,
+ PKCS7_R_SIGNING_CTRL_FAILURE);
+ return 0;
+ }
+ }
+ PKCS7err(PKCS7_F_PKCS7_SIGNER_INFO_SET,
+ PKCS7_R_SIGNING_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ err:
+ return 0;
+}
+
+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) {
+ PKCS7err(PKCS7_F_PKCS7_ADD_SIGNATURE, 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);
+}
+
+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())) {
+ PKCS7err(PKCS7_F_PKCS7_SET_DIGEST, 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;
+ }
+
+ PKCS7err(PKCS7_F_PKCS7_SET_DIGEST, PKCS7_R_WRONG_CONTENT_TYPE);
+ return 1;
+}
+
+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);
+}
+
+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:
+ if (ri)
+ PKCS7_RECIP_INFO_free(ri);
+ return NULL;
+}
+
+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:
+ PKCS7err(PKCS7_F_PKCS7_ADD_RECIPIENT_INFO,
+ PKCS7_R_WRONG_CONTENT_TYPE);
+ return (0);
+ }
+
+ if (!sk_PKCS7_RECIP_INFO_push(sk, ri))
+ return 0;
+ return (1);
+}
+
+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;
+
+ M_ASN1_INTEGER_free(p7i->issuer_and_serial->serial);
+ if (!(p7i->issuer_and_serial->serial =
+ M_ASN1_INTEGER_dup(X509_get_serialNumber(x509))))
+ return 0;
+
+ pkey = X509_get_pubkey(x509);
+
+ if (!pkey || !pkey->ameth || !pkey->ameth->pkey_ctrl) {
+ PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
+ 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) {
+ PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
+ PKCS7_R_ENCRYPTION_NOT_SUPPORTED_FOR_THIS_KEY_TYPE);
+ goto err;
+ }
+ if (ret <= 0) {
+ PKCS7err(PKCS7_F_PKCS7_RECIP_INFO_SET,
+ 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:
+ if (pkey)
+ EVP_PKEY_free(pkey);
+ 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);
+}
+
+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);
+ }
+
+ /* Check cipher OID exists and has data in it */
+ i = EVP_CIPHER_type(cipher);
+ if (i == NID_undef) {
+ PKCS7err(PKCS7_F_PKCS7_SET_CIPHER,
+ PKCS7_R_CIPHER_HAS_NO_OBJECT_IDENTIFIER);
+ return (0);
+ }
+
+ ec->cipher = cipher;
+ return 1;
+}
+
+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 = M_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 = M_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;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 11:48:58 +0000