diff options
Diffstat (limited to 'scripts/extract-cert.c')
| -rw-r--r-- | scripts/extract-cert.c | 162 | 
1 files changed, 0 insertions, 162 deletions
| diff --git a/scripts/extract-cert.c b/scripts/extract-cert.c deleted file mode 100644 index 3bc48c726c41..000000000000 --- a/scripts/extract-cert.c +++ /dev/null @@ -1,162 +0,0 @@ -/* 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 <[email protected]> - *          David Woodhouse <[email protected]> - * - * 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 <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <stdbool.h> -#include <string.h> -#include <err.h> -#include <openssl/bio.h> -#include <openssl/pem.h> -#include <openssl/err.h> -#include <openssl/engine.h> - -#define PKEY_ID_PKCS7 2 - -static __attribute__((noreturn)) -void format(void) -{ -	fprintf(stderr, -		"Usage: scripts/extract-cert <source> <dest>\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_verbose) -		fprintf(stderr, "Extracted cert: %s\n", buf); -} - -int main(int argc, char **argv) -{ -	char *cert_src; - -	OpenSSL_add_all_algorithms(); -	ERR_load_crypto_strings(); -	ERR_clear_error(); - -	kbuild_verbose = atoi(getenv("KBUILD_VERBOSE")?:"0"); - -        key_pass = getenv("KBUILD_SIGN_PIN"); - -	if (argc != 3) -		format(); - -	cert_src = argv[1]; -	cert_dst = argv[2]; - -	if (!cert_src[0]) { -		/* Invoked with no input; create empty file */ -		FILE *f = fopen(cert_dst, "wb"); -		ERR(!f, "%s", cert_dst); -		fclose(f); -		exit(0); -	} else if (!strncmp(cert_src, "pkcs11:", 7)) { -		ENGINE *e; -		struct { -			const char *cert_id; -			X509 *cert; -		} parms; - -		parms.cert_id = cert_src; -		parms.cert = NULL; - -		ENGINE_load_builtin_engines(); -		drain_openssl_errors(); -		e = ENGINE_by_id("pkcs11"); -		ERR(!e, "Load PKCS#11 ENGINE"); -		if (ENGINE_init(e)) -			drain_openssl_errors(); -		else -			ERR(1, "ENGINE_init"); -		if (key_pass) -			ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN"); -		ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1); -		ERR(!parms.cert, "Get X.509 from PKCS#11"); -		write_cert(parms.cert); -	} else { -		BIO *b; -		X509 *x509; - -		b = BIO_new_file(cert_src, "rb"); -		ERR(!b, "%s", cert_src); - -		while (1) { -			x509 = PEM_read_bio_X509(b, NULL, NULL, NULL); -			if (wb && !x509) { -				unsigned long err = ERR_peek_last_error(); -				if (ERR_GET_LIB(err) == ERR_LIB_PEM && -				    ERR_GET_REASON(err) == PEM_R_NO_START_LINE) { -					ERR_clear_error(); -					break; -				} -			} -			ERR(!x509, "%s", cert_src); -			write_cert(x509); -		} -	} - -	BIO_free(wb); - -	return 0; -} |