diff options
Diffstat (limited to 'scripts/sign-file.c')
| -rwxr-xr-x | scripts/sign-file.c | 34 |
1 files changed, 26 insertions, 8 deletions
diff --git a/scripts/sign-file.c b/scripts/sign-file.c index d912d5a56a5e..53af6dc3e6c1 100755 --- a/scripts/sign-file.c +++ b/scripts/sign-file.c @@ -1,6 +1,6 @@ /* Sign a module file using the given key. * - * Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved. + * Copyright © 2014-2016 Red Hat, Inc. All Rights Reserved. * Copyright © 2015 Intel Corporation. * Copyright © 2016 Hewlett Packard Enterprise Development LP * @@ -167,19 +167,37 @@ static EVP_PKEY *read_private_key(const char *private_key_name) static X509 *read_x509(const char *x509_name) { + unsigned char buf[2]; X509 *x509; BIO *b; + int n; b = BIO_new_file(x509_name, "rb"); ERR(!b, "%s", x509_name); - x509 = d2i_X509_bio(b, NULL); /* Binary encoded X.509 */ - if (!x509) { - ERR(BIO_reset(b) != 1, "%s", x509_name); - x509 = PEM_read_bio_X509(b, NULL, NULL, - NULL); /* PEM encoded X.509 */ - if (x509) - drain_openssl_errors(); + + /* Look at the first two bytes of the file to determine the encoding */ + n = BIO_read(b, buf, 2); + if (n != 2) { + if (BIO_should_retry(b)) { + fprintf(stderr, "%s: Read wanted retry\n", x509_name); + exit(1); + } + if (n >= 0) { + fprintf(stderr, "%s: Short read\n", x509_name); + exit(1); + } + ERR(1, "%s", x509_name); } + + ERR(BIO_reset(b) != 0, "%s", x509_name); + + if (buf[0] == 0x30 && buf[1] >= 0x81 && buf[1] <= 0x84) + /* Assume raw DER encoded X.509 */ + x509 = d2i_X509_bio(b, NULL); + else + /* Assume PEM encoded X.509 */ + x509 = PEM_read_bio_X509(b, NULL, NULL, NULL); + BIO_free(b); ERR(!x509, "%s", x509_name); |