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/* $OpenBSD: keypairtest.c,v 1.6 2022/02/08 18:05:57 tb Exp $ */
/*
* Copyright (c) 2018 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/stat.h>
#include <err.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <openssl/x509.h>
#include <tls.h>
#include <tls_internal.h>
#define PUBKEY_HASH \
"SHA256:858d0f94beb0a08eb4f13871ba57bf0a2e081287d0efbaeb3bbac59dd8f1a8e5"
char *cert_file, *key_file, *ocsp_staple_file;
static void
load_file(const char *filename, const uint8_t **data, size_t *data_len)
{
struct stat sb;
uint8_t *buf;
size_t len;
ssize_t n;
int fd;
if ((fd = open(filename, O_RDONLY)) == -1)
err(1, "failed to open '%s'", filename);
if ((fstat(fd, &sb)) == -1)
err(1, "failed to stat '%s'", filename);
if (sb.st_size < 0)
err(1, "file size invalid for '%s'", filename);
len = (size_t)sb.st_size;
if ((buf = malloc(len)) == NULL)
err(1, "out of memory");
n = read(fd, buf, len);
if (n < 0 || (size_t)n != len)
err(1, "failed to read '%s'", filename);
close(fd);
*data = buf;
*data_len = len;
}
static int
compare_mem(char *label, const uint8_t *data1, size_t data1_len,
const uint8_t *data2, size_t data2_len)
{
if (data1_len != data2_len) {
fprintf(stderr, "FAIL: %s length mismatch (%zu != %zu)\n",
label, data1_len, data2_len);
return -1;
}
if (data1 == data2) {
fprintf(stderr, "FAIL: %s comparing same memory (%p == %p)\n",
label, data1, data2);
return -1;
}
if (memcmp(data1, data2, data1_len) != 0) {
fprintf(stderr, "FAIL: %s data mismatch\n", label);
return -1;
}
return 0;
}
static int
do_keypair_tests(void)
{
size_t cert_len, key_len, ocsp_staple_len;
const uint8_t *cert, *key, *ocsp_staple;
X509 *x509_cert = NULL;
struct tls_keypair *kp;
struct tls_error err;
int failed = 1;
load_file(cert_file, &cert, &cert_len);
load_file(key_file, &key, &key_len);
load_file(ocsp_staple_file, &ocsp_staple, &ocsp_staple_len);
if ((kp = tls_keypair_new()) == NULL) {
fprintf(stderr, "FAIL: failed to create keypair\n");
goto done;
}
if (tls_keypair_set_cert_file(kp, &err, cert_file) == -1) {
fprintf(stderr, "FAIL: failed to load cert file: %s\n",
err.msg);
goto done;
}
if (tls_keypair_set_key_file(kp, &err, key_file) == -1) {
fprintf(stderr, "FAIL: failed to load key file: %s\n", err.msg);
goto done;
}
if (tls_keypair_set_ocsp_staple_file(kp, &err, ocsp_staple_file) == -1) {
fprintf(stderr, "FAIL: failed to load ocsp staple file: %s\n",
err.msg);
goto done;
}
if (compare_mem("certificate", cert, cert_len, kp->cert_mem,
kp->cert_len) == -1)
goto done;
if (compare_mem("key", key, key_len, kp->key_mem, kp->cert_len) == -1)
goto done;
if (compare_mem("ocsp staple", ocsp_staple, ocsp_staple_len,
kp->ocsp_staple, kp->ocsp_staple_len) == -1)
goto done;
if (strcmp(kp->pubkey_hash, PUBKEY_HASH) != 0) {
fprintf(stderr, "FAIL: got pubkey hash '%s', want '%s'",
kp->pubkey_hash, PUBKEY_HASH);
goto done;
}
tls_keypair_clear_key(kp);
if (kp->key_mem != NULL || kp->key_len != 0) {
fprintf(stderr, "FAIL: key not cleared (mem %p, len %zu)",
kp->key_mem, kp->key_len);
goto done;
}
if (tls_keypair_set_cert_mem(kp, &err, cert, cert_len) == -1) {
fprintf(stderr, "FAIL: failed to load cert: %s\n", err.msg);
goto done;
}
if (tls_keypair_set_key_mem(kp, &err, key, key_len) == -1) {
fprintf(stderr, "FAIL: failed to load key: %s\n", err.msg);
goto done;
}
if (tls_keypair_set_ocsp_staple_mem(kp, &err, ocsp_staple,
ocsp_staple_len) == -1) {
fprintf(stderr, "FAIL: failed to load ocsp staple: %s\n", err.msg);
goto done;
}
if (compare_mem("certificate", cert, cert_len, kp->cert_mem,
kp->cert_len) == -1)
goto done;
if (compare_mem("key", key, key_len, kp->key_mem, kp->cert_len) == -1)
goto done;
if (compare_mem("ocsp staple", ocsp_staple, ocsp_staple_len,
kp->ocsp_staple, kp->ocsp_staple_len) == -1)
goto done;
if (strcmp(kp->pubkey_hash, PUBKEY_HASH) != 0) {
fprintf(stderr, "FAIL: got pubkey hash '%s', want '%s'",
kp->pubkey_hash, PUBKEY_HASH);
goto done;
}
if (tls_keypair_load_cert(kp, &err, &x509_cert) == -1) {
fprintf(stderr, "FAIL: failed to load X509 certificate: %s\n",
err.msg);
goto done;
}
tls_keypair_clear_key(kp);
if (kp->key_mem != NULL || kp->key_len != 0) {
fprintf(stderr, "FAIL: key not cleared (mem %p, len %zu)",
kp->key_mem, kp->key_len);
goto done;
}
failed = 0;
done:
tls_keypair_free(kp);
X509_free(x509_cert);
free((uint8_t *)cert);
free((uint8_t *)key);
free((uint8_t *)ocsp_staple);
return (failed);
}
int
main(int argc, char **argv)
{
int failure = 0;
if (argc != 4) {
fprintf(stderr, "usage: %s ocspstaplefile certfile keyfile\n",
argv[0]);
return (1);
}
ocsp_staple_file = argv[1];
cert_file = argv[2];
key_file = argv[3];
failure |= do_keypair_tests();
return (failure);
}
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