VisionFive2 Linux kernel

1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   1) /* Extract X.509 certificate in DER form from PKCS#11 or PEM.
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   2)  *
09a77a885233e (David Woodhouse 2015-09-15 16:03:36 +0100   3)  * Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved.
09a77a885233e (David Woodhouse 2015-09-15 16:03:36 +0100   4)  * Copyright © 2015      Intel Corporation.
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   5)  *
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   6)  * Authors: David Howells <dhowells@redhat.com>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   7)  *          David Woodhouse <dwmw2@infradead.org>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   8)  *
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100   9)  * This program is free software; you can redistribute it and/or
09a77a885233e (David Woodhouse 2015-09-15 16:03:36 +0100  10)  * modify it under the terms of the GNU Lesser General Public License
09a77a885233e (David Woodhouse 2015-09-15 16:03:36 +0100  11)  * as published by the Free Software Foundation; either version 2.1
09a77a885233e (David Woodhouse 2015-09-15 16:03:36 +0100  12)  * of the licence, or (at your option) any later version.
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  13)  */
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  14) #define _GNU_SOURCE
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  15) #include <stdio.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  16) #include <stdlib.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  17) #include <stdint.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  18) #include <stdbool.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  19) #include <string.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  20) #include <err.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  21) #include <openssl/bio.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  22) #include <openssl/pem.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  23) #include <openssl/err.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  24) #include <openssl/engine.h>
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  25) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  26) #define PKEY_ID_PKCS7 2
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  27) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  28) static __attribute__((noreturn))
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  29) void format(void)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  30) {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  31) 	fprintf(stderr,
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  32) 		"Usage: scripts/extract-cert <source> <dest>\n");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  33) 	exit(2);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  34) }
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  35) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  36) static void display_openssl_errors(int l)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  37) {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  38) 	const char *file;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  39) 	char buf[120];
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  40) 	int e, line;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  41) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  42) 	if (ERR_peek_error() == 0)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  43) 		return;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  44) 	fprintf(stderr, "At main.c:%d:\n", l);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  45) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  46) 	while ((e = ERR_get_error_line(&file, &line))) {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  47) 		ERR_error_string(e, buf);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  48) 		fprintf(stderr, "- SSL %s: %s:%d\n", buf, file, line);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  49) 	}
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  50) }
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  51) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  52) static void drain_openssl_errors(void)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  53) {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  54) 	const char *file;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  55) 	int line;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  56) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  57) 	if (ERR_peek_error() == 0)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  58) 		return;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  59) 	while (ERR_get_error_line(&file, &line)) {}
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  60) }
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  61) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  62) #define ERR(cond, fmt, ...)				\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  63) 	do {						\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  64) 		bool __cond = (cond);			\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  65) 		display_openssl_errors(__LINE__);	\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  66) 		if (__cond) {				\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  67) 			err(1, fmt, ## __VA_ARGS__);	\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  68) 		}					\
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  69) 	} while(0)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  70) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  71) static const char *key_pass;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  72) static BIO *wb;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  73) static char *cert_dst;
1dbcf46d516b3 (Masahiro Yamada 2020-07-29 12:18:45 +0900  74) static int kbuild_verbose;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  75) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  76) static void write_cert(X509 *x509)
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  77) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  78) 	char buf[200];
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  79) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  80) 	if (!wb) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  81) 		wb = BIO_new_file(cert_dst, "wb");
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  82) 		ERR(!wb, "%s", cert_dst);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  83) 	}
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  84) 	X509_NAME_oneline(X509_get_subject_name(x509), buf, sizeof(buf));
7c0d35a339db6 (David Howells   2015-09-11 13:07:36 -0700  85) 	ERR(!i2d_X509_bio(wb, x509), "%s", cert_dst);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  86) 	if (kbuild_verbose)
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  87) 		fprintf(stderr, "Extracted cert: %s\n", buf);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  88) }
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  89) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  90) int main(int argc, char **argv)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  91) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  92) 	char *cert_src;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  93) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  94) 	OpenSSL_add_all_algorithms();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  95) 	ERR_load_crypto_strings();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  96) 	ERR_clear_error();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100  97) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  98) 	kbuild_verbose = atoi(getenv("KBUILD_VERBOSE")?:"0");
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100  99) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 100)         key_pass = getenv("KBUILD_SIGN_PIN");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 101) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 102) 	if (argc != 3)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 103) 		format();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 104) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 105) 	cert_src = argv[1];
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 106) 	cert_dst = argv[2];
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 107) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 108) 	if (!cert_src[0]) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 109) 		/* Invoked with no input; create empty file */
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 110) 		FILE *f = fopen(cert_dst, "wb");
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 111) 		ERR(!f, "%s", cert_dst);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 112) 		fclose(f);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 113) 		exit(0);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 114) 	} else if (!strncmp(cert_src, "pkcs11:", 7)) {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 115) 		ENGINE *e;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 116) 		struct {
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 117) 			const char *cert_id;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 118) 			X509 *cert;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 119) 		} parms;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 120) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 121) 		parms.cert_id = cert_src;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 122) 		parms.cert = NULL;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 123) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 124) 		ENGINE_load_builtin_engines();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 125) 		drain_openssl_errors();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 126) 		e = ENGINE_by_id("pkcs11");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 127) 		ERR(!e, "Load PKCS#11 ENGINE");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 128) 		if (ENGINE_init(e))
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 129) 			drain_openssl_errors();
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 130) 		else
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 131) 			ERR(1, "ENGINE_init");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 132) 		if (key_pass)
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 133) 			ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 134) 		ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 135) 		ERR(!parms.cert, "Get X.509 from PKCS#11");
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 136) 		write_cert(parms.cert);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 137) 	} else {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 138) 		BIO *b;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 139) 		X509 *x509;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 140) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 141) 		b = BIO_new_file(cert_src, "rb");
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 142) 		ERR(!b, "%s", cert_src);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 143) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 144) 		while (1) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 145) 			x509 = PEM_read_bio_X509(b, NULL, NULL, NULL);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 146) 			if (wb && !x509) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 147) 				unsigned long err = ERR_peek_last_error();
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 148) 				if (ERR_GET_LIB(err) == ERR_LIB_PEM &&
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 149) 				    ERR_GET_REASON(err) == PEM_R_NO_START_LINE) {
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 150) 					ERR_clear_error();
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 151) 					break;
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 152) 				}
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 153) 			}
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 154) 			ERR(!x509, "%s", cert_src);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 155) 			write_cert(x509);
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 156) 		}
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 157) 	}
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 158) 
84706caae9e06 (David Woodhouse 2015-07-20 21:16:33 +0100 159) 	BIO_free(wb);
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 160) 
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 161) 	return 0;
1329e8cc69b93 (David Woodhouse 2015-07-20 21:16:30 +0100 162) }