|  | /* | 
|  | * Copyright 2000-2020 The OpenSSL Project Authors. All Rights Reserved. | 
|  | * | 
|  | * Licensed under the Apache License 2.0 (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 | 
|  | */ | 
|  |  | 
|  | /* We need to use some deprecated APIs */ | 
|  | #define OPENSSL_SUPPRESS_DEPRECATED | 
|  |  | 
|  | #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 *eid[NUMTOADD]; | 
|  | char *ename[NUMTOADD]; | 
|  | char buf[256]; | 
|  | 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); | 
|  | eid[loop] = OPENSSL_strdup(buf); | 
|  | sprintf(buf, "Fake engine type %d", loop); | 
|  | ename[loop] = OPENSSL_strdup(buf); | 
|  | if (!TEST_ptr(block[loop] = ENGINE_new()) | 
|  | || !TEST_true(ENGINE_set_id(block[loop], eid[loop])) | 
|  | || !TEST_true(ENGINE_set_name(block[loop], ename[loop]))) | 
|  | 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(eid[loop]); | 
|  | OPENSSL_free(ename[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(ctx = 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; | 
|  | } |