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25f2138b0a
Currently, there are two different directories which contain internal header files of libcrypto which are meant to be shared internally: While header files in 'include/internal' are intended to be shared between libcrypto and libssl, the files in 'crypto/include/internal' are intended to be shared inside libcrypto only. To make things complicated, the include search path is set up in such a way that the directive #include "internal/file.h" could refer to a file in either of these two directoroes. This makes it necessary in some cases to add a '_int.h' suffix to some files to resolve this ambiguity: #include "internal/file.h" # located in 'include/internal' #include "internal/file_int.h" # located in 'crypto/include/internal' This commit moves the private crypto headers from 'crypto/include/internal' to 'include/crypto' As a result, the include directives become unambiguous #include "internal/file.h" # located in 'include/internal' #include "crypto/file.h" # located in 'include/crypto' hence the superfluous '_int.h' suffixes can be stripped. The files 'store_int.h' and 'store.h' need to be treated specially; they are joined into a single file. Reviewed-by: Richard Levitte <levitte@openssl.org> (Merged from https://github.com/openssl/openssl/pull/9333)
270 lines
8.0 KiB
C
270 lines
8.0 KiB
C
/*
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* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include <openssl/x509v3.h>
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#include <openssl/err.h>
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#include <openssl/ess.h>
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#include "crypto/ess.h"
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static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed);
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static ESS_CERT_ID_V2 *ESS_CERT_ID_V2_new_init(const EVP_MD *hash_alg,
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X509 *cert, int issuer_needed);
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ESS_SIGNING_CERT *ESS_SIGNING_CERT_new_init(X509 *signcert,
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STACK_OF(X509) *certs,
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int issuer_needed)
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{
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ESS_CERT_ID *cid = NULL;
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ESS_SIGNING_CERT *sc;
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int i;
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if ((sc = ESS_SIGNING_CERT_new()) == NULL)
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goto err;
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if (sc->cert_ids == NULL
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&& (sc->cert_ids = sk_ESS_CERT_ID_new_null()) == NULL)
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goto err;
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if ((cid = ESS_CERT_ID_new_init(signcert, issuer_needed)) == NULL
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|| !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
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goto err;
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for (i = 0; i < sk_X509_num(certs); ++i) {
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X509 *cert = sk_X509_value(certs, i);
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if ((cid = ESS_CERT_ID_new_init(cert, 1)) == NULL
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|| !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
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goto err;
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}
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return sc;
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err:
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ESS_SIGNING_CERT_free(sc);
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ESS_CERT_ID_free(cid);
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ESSerr(ESS_F_ESS_SIGNING_CERT_NEW_INIT, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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static ESS_CERT_ID *ESS_CERT_ID_new_init(X509 *cert, int issuer_needed)
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{
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ESS_CERT_ID *cid = NULL;
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GENERAL_NAME *name = NULL;
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unsigned char cert_sha1[SHA_DIGEST_LENGTH];
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/* Call for side-effect of computing hash and caching extensions */
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X509_check_purpose(cert, -1, 0);
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if ((cid = ESS_CERT_ID_new()) == NULL)
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goto err;
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X509_digest(cert, EVP_sha1(), cert_sha1, NULL);
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if (!ASN1_OCTET_STRING_set(cid->hash, cert_sha1, SHA_DIGEST_LENGTH))
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goto err;
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/* Setting the issuer/serial if requested. */
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if (!issuer_needed)
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return cid;
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if (cid->issuer_serial == NULL
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&& (cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
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goto err;
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if ((name = GENERAL_NAME_new()) == NULL)
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goto err;
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name->type = GEN_DIRNAME;
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if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
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goto err;
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if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
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goto err;
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name = NULL; /* Ownership is lost. */
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ASN1_INTEGER_free(cid->issuer_serial->serial);
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if (!(cid->issuer_serial->serial =
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ASN1_INTEGER_dup(X509_get_serialNumber(cert))))
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goto err;
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return cid;
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err:
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GENERAL_NAME_free(name);
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ESS_CERT_ID_free(cid);
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ESSerr(ESS_F_ESS_CERT_ID_NEW_INIT, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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ESS_SIGNING_CERT_V2 *ESS_SIGNING_CERT_V2_new_init(const EVP_MD *hash_alg,
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X509 *signcert,
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STACK_OF(X509) *certs,
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int issuer_needed)
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{
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ESS_CERT_ID_V2 *cid = NULL;
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ESS_SIGNING_CERT_V2 *sc;
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int i;
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if ((sc = ESS_SIGNING_CERT_V2_new()) == NULL)
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goto err;
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if ((cid = ESS_CERT_ID_V2_new_init(hash_alg, signcert, issuer_needed)) == NULL)
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goto err;
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if (!sk_ESS_CERT_ID_V2_push(sc->cert_ids, cid))
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goto err;
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cid = NULL;
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for (i = 0; i < sk_X509_num(certs); ++i) {
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X509 *cert = sk_X509_value(certs, i);
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if ((cid = ESS_CERT_ID_V2_new_init(hash_alg, cert, 1)) == NULL)
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goto err;
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if (!sk_ESS_CERT_ID_V2_push(sc->cert_ids, cid))
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goto err;
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cid = NULL;
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}
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return sc;
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err:
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ESS_SIGNING_CERT_V2_free(sc);
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ESS_CERT_ID_V2_free(cid);
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ESSerr(ESS_F_ESS_SIGNING_CERT_V2_NEW_INIT, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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static ESS_CERT_ID_V2 *ESS_CERT_ID_V2_new_init(const EVP_MD *hash_alg,
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X509 *cert, int issuer_needed)
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{
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ESS_CERT_ID_V2 *cid;
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GENERAL_NAME *name = NULL;
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unsigned char hash[EVP_MAX_MD_SIZE];
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unsigned int hash_len = sizeof(hash);
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X509_ALGOR *alg = NULL;
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memset(hash, 0, sizeof(hash));
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if ((cid = ESS_CERT_ID_V2_new()) == NULL)
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goto err;
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if (hash_alg != EVP_sha256()) {
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alg = X509_ALGOR_new();
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if (alg == NULL)
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goto err;
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X509_ALGOR_set_md(alg, hash_alg);
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if (alg->algorithm == NULL)
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goto err;
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cid->hash_alg = alg;
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alg = NULL;
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} else {
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cid->hash_alg = NULL;
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}
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if (!X509_digest(cert, hash_alg, hash, &hash_len))
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goto err;
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if (!ASN1_OCTET_STRING_set(cid->hash, hash, hash_len))
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goto err;
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if (!issuer_needed)
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return cid;
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if ((cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
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goto err;
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if ((name = GENERAL_NAME_new()) == NULL)
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goto err;
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name->type = GEN_DIRNAME;
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if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
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goto err;
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if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
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goto err;
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name = NULL; /* Ownership is lost. */
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ASN1_INTEGER_free(cid->issuer_serial->serial);
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cid->issuer_serial->serial = ASN1_INTEGER_dup(X509_get_serialNumber(cert));
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if (cid->issuer_serial->serial == NULL)
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goto err;
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return cid;
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err:
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X509_ALGOR_free(alg);
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GENERAL_NAME_free(name);
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ESS_CERT_ID_V2_free(cid);
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ESSerr(ESS_F_ESS_CERT_ID_V2_NEW_INIT, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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ESS_SIGNING_CERT *ESS_SIGNING_CERT_get(PKCS7_SIGNER_INFO *si)
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{
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ASN1_TYPE *attr;
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const unsigned char *p;
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attr = PKCS7_get_signed_attribute(si, NID_id_smime_aa_signingCertificate);
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if (!attr)
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return NULL;
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p = attr->value.sequence->data;
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return d2i_ESS_SIGNING_CERT(NULL, &p, attr->value.sequence->length);
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}
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ESS_SIGNING_CERT_V2 *ESS_SIGNING_CERT_V2_get(PKCS7_SIGNER_INFO *si)
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{
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ASN1_TYPE *attr;
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const unsigned char *p;
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attr = PKCS7_get_signed_attribute(si, NID_id_smime_aa_signingCertificateV2);
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if (attr == NULL)
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return NULL;
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p = attr->value.sequence->data;
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return d2i_ESS_SIGNING_CERT_V2(NULL, &p, attr->value.sequence->length);
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}
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int ESS_SIGNING_CERT_add(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc)
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{
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ASN1_STRING *seq = NULL;
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unsigned char *p, *pp = NULL;
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int len;
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len = i2d_ESS_SIGNING_CERT(sc, NULL);
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if ((pp = OPENSSL_malloc(len)) == NULL) {
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ESSerr(ESS_F_ESS_SIGNING_CERT_ADD, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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p = pp;
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i2d_ESS_SIGNING_CERT(sc, &p);
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if ((seq = ASN1_STRING_new()) == NULL || !ASN1_STRING_set(seq, pp, len)) {
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ESSerr(ESS_F_ESS_SIGNING_CERT_ADD, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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OPENSSL_free(pp);
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pp = NULL;
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return PKCS7_add_signed_attribute(si,
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NID_id_smime_aa_signingCertificate,
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V_ASN1_SEQUENCE, seq);
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err:
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ASN1_STRING_free(seq);
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OPENSSL_free(pp);
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return 0;
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}
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int ESS_SIGNING_CERT_V2_add(PKCS7_SIGNER_INFO *si,
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ESS_SIGNING_CERT_V2 *sc)
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{
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ASN1_STRING *seq = NULL;
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unsigned char *p, *pp = NULL;
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int len = i2d_ESS_SIGNING_CERT_V2(sc, NULL);
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if ((pp = OPENSSL_malloc(len)) == NULL) {
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ESSerr(ESS_F_ESS_SIGNING_CERT_V2_ADD, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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p = pp;
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i2d_ESS_SIGNING_CERT_V2(sc, &p);
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if ((seq = ASN1_STRING_new()) == NULL || !ASN1_STRING_set(seq, pp, len)) {
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ESSerr(ESS_F_ESS_SIGNING_CERT_V2_ADD, ERR_R_MALLOC_FAILURE);
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goto err;
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}
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OPENSSL_free(pp);
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pp = NULL;
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return PKCS7_add_signed_attribute(si,
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NID_id_smime_aa_signingCertificateV2,
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V_ASN1_SEQUENCE, seq);
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err:
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ASN1_STRING_free(seq);
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OPENSSL_free(pp);
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return 0;
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}
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