^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /* Extract X.509 certificate in DER form from PKCS#11 or PEM.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * Copyright © 2014-2015 Red Hat, Inc. All Rights Reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * Copyright © 2015 Intel Corporation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Authors: David Howells <dhowells@redhat.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * David Woodhouse <dwmw2@infradead.org>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * This program is free software; you can redistribute it and/or
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * modify it under the terms of the GNU Lesser General Public License
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * as published by the Free Software Foundation; either version 2.1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * of the licence, or (at your option) any later version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define _GNU_SOURCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <stdbool.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <openssl/bio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <openssl/pem.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <openssl/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <openssl/engine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define PKEY_ID_PKCS7 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) static __attribute__((noreturn))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) void format(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) fprintf(stderr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) "Usage: scripts/extract-cert <source> <dest>\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) exit(2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static void display_openssl_errors(int l)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) const char *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) char buf[120];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) int e, line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) if (ERR_peek_error() == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) fprintf(stderr, "At main.c:%d:\n", l);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) while ((e = ERR_get_error_line(&file, &line))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) ERR_error_string(e, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) fprintf(stderr, "- SSL %s: %s:%d\n", buf, file, line);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #ifndef OPENSSL_IS_BORINGSSL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) static void drain_openssl_errors(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) const char *file;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) int line;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (ERR_peek_error() == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) while (ERR_get_error_line(&file, &line)) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define ERR(cond, fmt, ...) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) bool __cond = (cond); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) display_openssl_errors(__LINE__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (__cond) { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) err(1, fmt, ## __VA_ARGS__); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) } \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) } while(0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static const char *key_pass;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static BIO *wb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) static char *cert_dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) static int kbuild_verbose;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) static void write_cert(X509 *x509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) char buf[200];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (!wb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) wb = BIO_new_file(cert_dst, "wb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) ERR(!wb, "%s", cert_dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) X509_NAME_oneline(X509_get_subject_name(x509), buf, sizeof(buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) ERR(!i2d_X509_bio(wb, x509), "%s", cert_dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) if (kbuild_verbose)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) fprintf(stderr, "Extracted cert: %s\n", buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) int main(int argc, char **argv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) char *cert_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) OpenSSL_add_all_algorithms();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) ERR_load_crypto_strings();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) ERR_clear_error();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) kbuild_verbose = atoi(getenv("KBUILD_VERBOSE")?:"0");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) key_pass = getenv("KBUILD_SIGN_PIN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) if (argc != 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) format();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) cert_src = argv[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) cert_dst = argv[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) if (!cert_src[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) /* Invoked with no input; create empty file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) FILE *f = fopen(cert_dst, "wb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) ERR(!f, "%s", cert_dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) fclose(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) exit(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) } else if (!strncmp(cert_src, "pkcs11:", 7)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) #ifdef OPENSSL_IS_BORINGSSL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) ERR(1, "BoringSSL does not support extracting from PKCS#11");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) exit(1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) ENGINE *e;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) const char *cert_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) X509 *cert;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) } parms;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) parms.cert_id = cert_src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) parms.cert = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) ENGINE_load_builtin_engines();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) drain_openssl_errors();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) e = ENGINE_by_id("pkcs11");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) ERR(!e, "Load PKCS#11 ENGINE");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) if (ENGINE_init(e))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) drain_openssl_errors();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) ERR(1, "ENGINE_init");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) if (key_pass)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ERR(!parms.cert, "Get X.509 from PKCS#11");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) write_cert(parms.cert);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) BIO *b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) X509 *x509;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) b = BIO_new_file(cert_src, "rb");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) ERR(!b, "%s", cert_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) while (1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) x509 = PEM_read_bio_X509(b, NULL, NULL, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) if (wb && !x509) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) unsigned long err = ERR_peek_last_error();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) if (ERR_GET_LIB(err) == ERR_LIB_PEM &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) ERR_GET_REASON(err) == PEM_R_NO_START_LINE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) ERR_clear_error();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) ERR(!x509, "%s", cert_src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) write_cert(x509);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) BIO_free(wb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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