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/*
* Copyright 2020-2026 The OpenSSL Project Authors. All Rights Reserved.
*
* 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 <stdlib.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include "../testutil.h"
X509 *load_cert_pem(const char *file, OSSL_LIB_CTX *libctx)
{
X509 *cert = NULL;
BIO *bio = NULL;
if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new(BIO_s_file())))
return NULL;
if (TEST_int_gt(BIO_read_filename(bio, file), 0)
&& TEST_ptr(cert = X509_new_ex(libctx, NULL)))
(void)TEST_ptr(cert = PEM_read_bio_X509(bio, &cert, NULL, NULL));
BIO_free(bio);
return cert;
}
STACK_OF(X509) *load_certs_pem(const char *file)
{
STACK_OF(X509) *certs;
BIO *bio;
X509 *x;
if (!TEST_ptr(file) || (bio = BIO_new_file(file, "r")) == NULL)
return NULL;
certs = sk_X509_new_null();
if (certs == NULL) {
BIO_free(bio);
return NULL;
}
ERR_set_mark();
do {
x = PEM_read_bio_X509(bio, NULL, 0, NULL);
if (x != NULL && !sk_X509_push(certs, x)) {
OSSL_STACK_OF_X509_free(certs);
BIO_free(bio);
return NULL;
} else if (x == NULL) {
/*
* We probably just ran out of certs, so ignore any errors
* generated
*/
ERR_pop_to_mark();
}
} while (x != NULL);
BIO_free(bio);
return certs;
}
EVP_PKEY *load_pkey_pem(const char *file, OSSL_LIB_CTX *libctx)
{
EVP_PKEY *key = NULL;
BIO *bio = NULL;
if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new(BIO_s_file())))
return NULL;
if (TEST_int_gt(BIO_read_filename(bio, file), 0)) {
unsigned long err = ERR_peek_error();
if (TEST_ptr(key = PEM_read_bio_PrivateKey_ex(bio, NULL, NULL, NULL,
libctx, NULL))
&& err != ERR_peek_error()) {
TEST_info("Spurious error from reading PEM");
EVP_PKEY_free(key);
key = NULL;
}
}
BIO_free(bio);
return key;
}
X509_REQ *load_csr_der(const char *file, OSSL_LIB_CTX *libctx)
{
X509_REQ *csr = NULL;
BIO *bio = NULL;
if (!TEST_ptr(file) || !TEST_ptr(bio = BIO_new_file(file, "rb")))
return NULL;
csr = X509_REQ_new_ex(libctx, NULL);
if (TEST_ptr(csr))
(void)TEST_ptr(d2i_X509_REQ_bio(bio, &csr));
BIO_free(bio);
return csr;
}
/*
* Glue an array of strings together. Return a BIO and put the string
* into |*out| so we can free it.
*/
BIO *glue2bio(const char **pem, char **out)
{
size_t s = 0;
*out = glue_strings(pem, &s);
return BIO_new_mem_buf(*out, (int)s);
}
/*
* Create a CRL from an array of strings.
*/
X509_CRL *CRL_from_strings(const char **pem)
{
X509_CRL *crl;
char *p;
BIO *b = glue2bio(pem, &p);
if (b == NULL) {
OPENSSL_free(p);
return NULL;
}
ERR_clear_error();
crl = PEM_read_bio_X509_CRL(b, NULL, NULL, NULL);
OPENSSL_free(p);
BIO_free(b);
return crl;
}
/*
* Create an X509 from an array of strings.
*/
X509 *X509_from_strings(const char **pem)
{
X509 *x;
char *p;
BIO *b = glue2bio(pem, &p);
if (b == NULL) {
OPENSSL_free(p);
return NULL;
}
ERR_clear_error();
x = PEM_read_bio_X509(b, NULL, NULL, NULL);
OPENSSL_free(p);
BIO_free(b);
return x;
}
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