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authorMasahiro Yamada <masahiroy@kernel.org>2021-12-14 11:53:54 +0900
committerMasahiro Yamada <masahiroy@kernel.org>2022-01-08 18:28:21 +0900
commit340a02535ee785c64c62a9c45706597a0139e972 (patch)
tree755fccd7ba60ad930e8b681a09e61933acbfa434 /scripts
parent129ab0d2d9f38b9d43df35235fc66c6740d6928b (diff)
certs: move scripts/extract-cert to certs/
extract-cert is only used in certs/Makefile. Move it there and build extract-cert on demand. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/.gitignore1
-rw-r--r--scripts/Makefile11
-rw-r--r--scripts/extract-cert.c162
-rwxr-xr-xscripts/remove-stale-files2
4 files changed, 4 insertions, 172 deletions
diff --git a/scripts/.gitignore b/scripts/.gitignore
index e83c620ef52c..eed308bef604 100644
--- a/scripts/.gitignore
+++ b/scripts/.gitignore
@@ -1,7 +1,6 @@
# SPDX-License-Identifier: GPL-2.0-only
/asn1_compiler
/bin2c
-/extract-cert
/insert-sys-cert
/kallsyms
/module.lds
diff --git a/scripts/Makefile b/scripts/Makefile
index 9adb6d247818..e198b22dc476 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -3,25 +3,18 @@
# scripts contains sources for various helper programs used throughout
# the kernel for the build process.
-CRYPTO_LIBS = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
-CRYPTO_CFLAGS = $(shell pkg-config --cflags libcrypto 2> /dev/null)
-
hostprogs-always-$(CONFIG_BUILD_BIN2C) += bin2c
hostprogs-always-$(CONFIG_KALLSYMS) += kallsyms
hostprogs-always-$(BUILD_C_RECORDMCOUNT) += recordmcount
hostprogs-always-$(CONFIG_BUILDTIME_TABLE_SORT) += sorttable
hostprogs-always-$(CONFIG_ASN1) += asn1_compiler
hostprogs-always-$(CONFIG_MODULE_SIG_FORMAT) += sign-file
-hostprogs-always-$(CONFIG_SYSTEM_TRUSTED_KEYRING) += extract-cert
hostprogs-always-$(CONFIG_SYSTEM_EXTRA_CERTIFICATE) += insert-sys-cert
-hostprogs-always-$(CONFIG_SYSTEM_REVOCATION_LIST) += extract-cert
HOSTCFLAGS_sorttable.o = -I$(srctree)/tools/include
HOSTCFLAGS_asn1_compiler.o = -I$(srctree)/include
-HOSTCFLAGS_sign-file.o = $(CRYPTO_CFLAGS)
-HOSTLDLIBS_sign-file = $(CRYPTO_LIBS)
-HOSTCFLAGS_extract-cert.o = $(CRYPTO_CFLAGS)
-HOSTLDLIBS_extract-cert = $(CRYPTO_LIBS)
+HOSTCFLAGS_sign-file.o = $(shell pkg-config --cflags libcrypto 2> /dev/null)
+HOSTLDLIBS_sign-file = $(shell pkg-config --libs libcrypto 2> /dev/null || echo -lcrypto)
ifdef CONFIG_UNWINDER_ORC
ifeq ($(ARCH),x86_64)
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 <dhowells@redhat.com>
- * David Woodhouse <dwmw2@infradead.org>
- *
- * 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;
-}
diff --git a/scripts/remove-stale-files b/scripts/remove-stale-files
index 0114c41e6938..dd230792056a 100755
--- a/scripts/remove-stale-files
+++ b/scripts/remove-stale-files
@@ -34,3 +34,5 @@ if [ -n "${building_out_of_srctree}" ]; then
rm -f arch/mips/boot/compressed/${f}
done
fi
+
+rm -f scripts/extract-cert