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openssl/test/enginetest.c

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/*
* Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <openssl/e_os2.h>
# include "testutil.h"
#ifndef OPENSSL_NO_ENGINE
# include <openssl/buffer.h>
# include <openssl/crypto.h>
# include <openssl/engine.h>
# include <openssl/rsa.h>
# include <openssl/err.h>
static void display_engine_list(void)
{
ENGINE *h;
int loop;
loop = 0;
for (h = ENGINE_get_first(); h != NULL; h = ENGINE_get_next(h)) {
TEST_info("#%d: id = \"%s\", name = \"%s\"",
loop++, ENGINE_get_id(h), ENGINE_get_name(h));
}
/*
* ENGINE_get_first() increases the struct_ref counter, so we must call
* ENGINE_free() to decrease it again
*/
ENGINE_free(h);
}
#define NUMTOADD 512
static int test_engines(void)
{
ENGINE *block[NUMTOADD];
char buf[256];
const char *id, *name;
ENGINE *ptr;
int loop;
int to_return = 0;
ENGINE *new_h1 = NULL;
ENGINE *new_h2 = NULL;
ENGINE *new_h3 = NULL;
ENGINE *new_h4 = NULL;
memset(block, 0, sizeof(block));
if (!TEST_ptr(new_h1 = ENGINE_new())
|| !TEST_true(ENGINE_set_id(new_h1, "test_id0"))
|| !TEST_true(ENGINE_set_name(new_h1, "First test item"))
|| !TEST_ptr(new_h2 = ENGINE_new())
|| !TEST_true(ENGINE_set_id(new_h2, "test_id1"))
|| !TEST_true(ENGINE_set_name(new_h2, "Second test item"))
|| !TEST_ptr(new_h3 = ENGINE_new())
|| !TEST_true(ENGINE_set_id(new_h3, "test_id2"))
|| !TEST_true(ENGINE_set_name(new_h3, "Third test item"))
|| !TEST_ptr(new_h4 = ENGINE_new())
|| !TEST_true(ENGINE_set_id(new_h4, "test_id3"))
|| !TEST_true(ENGINE_set_name(new_h4, "Fourth test item")))
goto end;
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_add(new_h1)))
goto end;
TEST_info("Engines:");
display_engine_list();
ptr = ENGINE_get_first();
if (!TEST_true(ENGINE_remove(ptr)))
goto end;
ENGINE_free(ptr);
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_add(new_h3))
|| !TEST_true(ENGINE_add(new_h2)))
goto end;
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_remove(new_h2)))
goto end;
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_add(new_h4)))
goto end;
TEST_info("Engines:");
display_engine_list();
/* Should fail. */
if (!TEST_false(ENGINE_add(new_h3)))
goto end;
ERR_clear_error();
/* Should fail. */
if (!TEST_false(ENGINE_remove(new_h2)))
goto end;
ERR_clear_error();
if (!TEST_true(ENGINE_remove(new_h3)))
goto end;
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_remove(new_h4)))
goto end;
TEST_info("Engines:");
display_engine_list();
/*
* At this point, we should have an empty list, unless some hardware
* support engine got added. However, since we don't allow the config
* file to be loaded and don't otherwise load any built in engines,
* that is unlikely. Still, we check, if for nothing else, then to
* notify that something is a little off (and might mean that |new_h1|
* wasn't unloaded when it should have)
*/
if ((ptr = ENGINE_get_first()) != NULL) {
if (!ENGINE_remove(ptr))
TEST_info("Remove failed - probably no hardware support present");
}
ENGINE_free(ptr);
TEST_info("Engines:");
display_engine_list();
if (!TEST_true(ENGINE_add(new_h1))
|| !TEST_true(ENGINE_remove(new_h1)))
goto end;
TEST_info("About to beef up the engine-type list");
for (loop = 0; loop < NUMTOADD; loop++) {
sprintf(buf, "id%d", loop);
id = OPENSSL_strdup(buf);
sprintf(buf, "Fake engine type %d", loop);
name = OPENSSL_strdup(buf);
if (!TEST_ptr(block[loop] = ENGINE_new())
|| !TEST_true(ENGINE_set_id(block[loop], id))
|| !TEST_true(ENGINE_set_name(block[loop], name)))
goto end;
}
for (loop = 0; loop < NUMTOADD; loop++) {
if (!TEST_true(ENGINE_add(block[loop]))) {
test_note("Adding stopped at %d, (%s,%s)",
loop, ENGINE_get_id(block[loop]),
ENGINE_get_name(block[loop]));
goto cleanup_loop;
}
}
cleanup_loop:
TEST_info("About to empty the engine-type list");
while ((ptr = ENGINE_get_first()) != NULL) {
if (!TEST_true(ENGINE_remove(ptr)))
goto end;
ENGINE_free(ptr);
}
for (loop = 0; loop < NUMTOADD; loop++) {
OPENSSL_free((void *)ENGINE_get_id(block[loop]));
OPENSSL_free((void *)ENGINE_get_name(block[loop]));
}
to_return = 1;
end:
ENGINE_free(new_h1);
ENGINE_free(new_h2);
ENGINE_free(new_h3);
ENGINE_free(new_h4);
for (loop = 0; loop < NUMTOADD; loop++)
ENGINE_free(block[loop]);
return to_return;
}
/* Test EVP_PKEY method */
static EVP_PKEY_METHOD *test_rsa = NULL;
static int called_encrypt = 0;
/* Test function to check operation has been redirected */
static int test_encrypt(EVP_PKEY_CTX *ctx, unsigned char *sig,
size_t *siglen, const unsigned char *tbs, size_t tbslen)
{
called_encrypt = 1;
return 1;
}
static int test_pkey_meths(ENGINE *e, EVP_PKEY_METHOD **pmeth,
const int **pnids, int nid)
{
static const int rnid = EVP_PKEY_RSA;
if (pmeth == NULL) {
*pnids = &rnid;
return 1;
}
if (nid == EVP_PKEY_RSA) {
*pmeth = test_rsa;
return 1;
}
*pmeth = NULL;
return 0;
}
/* Return a test EVP_PKEY value */
static EVP_PKEY *get_test_pkey(void)
{
static unsigned char n[] =
"\x00\xAA\x36\xAB\xCE\x88\xAC\xFD\xFF\x55\x52\x3C\x7F\xC4\x52\x3F"
"\x90\xEF\xA0\x0D\xF3\x77\x4A\x25\x9F\x2E\x62\xB4\xC5\xD9\x9C\xB5"
"\xAD\xB3\x00\xA0\x28\x5E\x53\x01\x93\x0E\x0C\x70\xFB\x68\x76\x93"
"\x9C\xE6\x16\xCE\x62\x4A\x11\xE0\x08\x6D\x34\x1E\xBC\xAC\xA0\xA1"
"\xF5";
static unsigned char e[] = "\x11";
RSA *rsa = RSA_new();
EVP_PKEY *pk = EVP_PKEY_new();
if (rsa == NULL || pk == NULL || !EVP_PKEY_assign_RSA(pk, rsa)) {
RSA_free(rsa);
EVP_PKEY_free(pk);
return NULL;
}
if (!RSA_set0_key(rsa, BN_bin2bn(n, sizeof(n)-1, NULL),
BN_bin2bn(e, sizeof(e)-1, NULL), NULL)) {
EVP_PKEY_free(pk);
return NULL;
}
return pk;
}
static int test_redirect(void)
{
const unsigned char pt[] = "Hello World\n";
unsigned char *tmp = NULL;
size_t len;
EVP_PKEY_CTX *ctx = NULL;
ENGINE *e = NULL;
EVP_PKEY *pkey = NULL;
int to_return = 0;
if (!TEST_ptr(pkey = get_test_pkey()))
goto err;
len = EVP_PKEY_size(pkey);
if (!TEST_ptr(tmp = OPENSSL_malloc(len)))
goto err;
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL)))
goto err;
TEST_info("EVP_PKEY_encrypt test: no redirection");
/* Encrypt some data: should succeed but not be redirected */
if (!TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_false(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Create a test ENGINE */
if (!TEST_ptr(e = ENGINE_new())
|| !TEST_true(ENGINE_set_id(e, "Test redirect engine"))
|| !TEST_true(ENGINE_set_name(e, "Test redirect engine")))
goto err;
/*
* Try to create a context for this engine and test key.
* Try setting test key engine. Both should fail because the
* engine has no public key methods.
*/
if (!TEST_ptr_null(EVP_PKEY_CTX_new(pkey, e))
|| !TEST_int_le(EVP_PKEY_set1_engine(pkey, e), 0))
goto err;
/* Setup an empty test EVP_PKEY_METHOD and set callback to return it */
if (!TEST_ptr(test_rsa = EVP_PKEY_meth_new(EVP_PKEY_RSA, 0)))
goto err;
ENGINE_set_pkey_meths(e, test_pkey_meths);
/* Getting a context for test ENGINE should now succeed */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, e)))
goto err;
/* Encrypt should fail because operation is not supported */
if (!TEST_int_le(EVP_PKEY_encrypt_init(ctx), 0))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Add test encrypt operation to method */
EVP_PKEY_meth_set_encrypt(test_rsa, 0, test_encrypt);
TEST_info("EVP_PKEY_encrypt test: redirection via EVP_PKEY_CTX_new()");
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, e)))
goto err;
/* Encrypt some data: should succeed and be redirected */
if (!TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_true(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
called_encrypt = 0;
/* Create context with default engine: should not be redirected */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL))
|| !TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_false(called_encrypt))
goto err;
EVP_PKEY_CTX_free(ctx);
ctx = NULL;
/* Set engine explicitly for test key */
if (!TEST_true(EVP_PKEY_set1_engine(pkey, e)))
goto err;
TEST_info("EVP_PKEY_encrypt test: redirection via EVP_PKEY_set1_engine()");
/* Create context with default engine: should be redirected now */
if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL))
|| !TEST_int_gt(EVP_PKEY_encrypt_init(ctx), 0)
|| !TEST_int_gt(EVP_PKEY_encrypt(ctx, tmp, &len, pt, sizeof(pt)), 0)
|| !TEST_true(called_encrypt))
goto err;
to_return = 1;
err:
EVP_PKEY_CTX_free(ctx);
EVP_PKEY_free(pkey);
ENGINE_free(e);
OPENSSL_free(tmp);
return to_return;
}
#endif
int global_init(void)
{
/*
* If the config file gets loaded, the dynamic engine will be loaded,
* and that interferes with our test above.
*/
return OPENSSL_init_crypto(OPENSSL_INIT_NO_LOAD_CONFIG, NULL);
}
int setup_tests(void)
{
#ifdef OPENSSL_NO_ENGINE
TEST_note("No ENGINE support");
#else
ADD_TEST(test_engines);
ADD_TEST(test_redirect);
#endif
return 1;
}
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