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/* Extract X.509 certificate in DER form from PKCS#11 or PEM.
*
* Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved.
* Copyright © 2015 Intel Corporation.
*
* Authors: David Howells
* David Woodhouse
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the licence, or (at your option) any later version.
*/
#define _GNU_SOURCE
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
/*
* OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
*
* Remove this if/when that API is no longer used
*/
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#define PKEY_ID_PKCS7 2
static __attribute__((noreturn))
void format(void)
{
fprintf(stderr,
"Usage: scripts/extract-cert \n");
exit(2);
}
static void display_openssl_errors(int l)
{
const char *file;
char buf[120];
int e, line;
if (ERR_peek_error() == 0)
return;
fprintf(stderr, "At main.c:%d:\n", l);
while ((e = ERR_get_error_line(&file, &line))) {
ERR_error_string(e, buf);
fprintf(stderr, "- SSL %s: %s:%d\n", buf, file, line);
}
}
static void drain_openssl_errors(void)
{
const char *file;
int line;
if (ERR_peek_error() == 0)
return;
while (ERR_get_error_line(&file, &line)) {}
}
#define ERR(cond, fmt, ...) \
do { \
bool __cond = (cond); \
display_openssl_errors(__LINE__); \
if (__cond) { \
err(1, fmt, ## __VA_ARGS__); \
} \
} while(0)
static const char *key_pass;
static BIO *wb;
static char *cert_dst;
static int kbuild_verbose;
static void write_cert(X509 *x509)
{
char buf[200];
if (!wb) {
wb = BIO_new_file(cert_dst, "wb");
ERR(!wb, "%s", cert_dst);
}
X509_NAME_oneline(X509_get_subject_name(x509), buf, sizeof(buf));
ERR(!i2d_X509_bio(wb, x509), "%s", cert_dst);
if (kbuild