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a16d21744d
Where an object has multiple ex_data associated with it, then we free that ex_data in order of priority (high priority first). Reviewed-by: Paul Dale <pauli@openssl.org> (Merged from https://github.com/openssl/openssl/pull/14991)
138 lines
3.6 KiB
C
138 lines
3.6 KiB
C
/*
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* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/* Internal tests for the OpenSSL library context */
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#include "internal/cryptlib.h"
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#include "testutil.h"
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/*
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* Everything between BEGIN EXAMPLE and END EXAMPLE is copied from
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* doc/internal/man3/ossl_lib_ctx_get_data.pod
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*/
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/*
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* ======================================================================
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* BEGIN EXAMPLE
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*/
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typedef struct foo_st {
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int i;
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void *data;
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} FOO;
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static void *foo_new(OSSL_LIB_CTX *ctx)
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{
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FOO *ptr = OPENSSL_zalloc(sizeof(*ptr));
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if (ptr != NULL)
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ptr->i = 42;
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return ptr;
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}
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static void foo_free(void *ptr)
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{
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OPENSSL_free(ptr);
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}
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static const OSSL_LIB_CTX_METHOD foo_method = {
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OSSL_LIB_CTX_METHOD_DEFAULT_PRIORITY,
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foo_new,
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foo_free
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};
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/*
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* END EXAMPLE
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* ======================================================================
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*/
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static int test_context(OSSL_LIB_CTX *ctx)
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{
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FOO *data = NULL;
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return TEST_ptr(data = ossl_lib_ctx_get_data(ctx, 0, &foo_method))
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/* OPENSSL_zalloc in foo_new() initialized it to zero */
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&& TEST_int_eq(data->i, 42);
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}
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static int test_app_context(void)
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{
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OSSL_LIB_CTX *ctx = NULL;
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int result =
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TEST_ptr(ctx = OSSL_LIB_CTX_new())
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&& test_context(ctx);
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OSSL_LIB_CTX_free(ctx);
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return result;
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}
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static int test_def_context(void)
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{
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return test_context(NULL);
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}
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static int test_set0_default(void)
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{
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OSSL_LIB_CTX *global = OSSL_LIB_CTX_get0_global_default();
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OSSL_LIB_CTX *local = OSSL_LIB_CTX_new();
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OSSL_LIB_CTX *prev;
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int testresult = 0;
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FOO *data = NULL;
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if (!TEST_ptr(global)
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|| !TEST_ptr(local)
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|| !TEST_ptr_eq(global, OSSL_LIB_CTX_set0_default(NULL))
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|| !TEST_ptr(data = ossl_lib_ctx_get_data(local, 0, &foo_method)))
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goto err;
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/* Set local "i" value to 43. Global "i" should be 42 */
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data->i++;
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if (!TEST_int_eq(data->i, 43))
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goto err;
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/* The default context should still be the "global" default */
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if (!TEST_ptr(data = ossl_lib_ctx_get_data(NULL, 0, &foo_method))
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|| !TEST_int_eq(data->i, 42))
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goto err;
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/* Check we can change the local default context */
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if (!TEST_ptr(prev = OSSL_LIB_CTX_set0_default(local))
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|| !TEST_ptr_eq(global, prev)
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|| !TEST_ptr(data = ossl_lib_ctx_get_data(NULL, 0, &foo_method))
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|| !TEST_int_eq(data->i, 43))
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goto err;
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/* Calling OSSL_LIB_CTX_set0_default() with a NULL should be a no-op */
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if (!TEST_ptr_eq(local, OSSL_LIB_CTX_set0_default(NULL))
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|| !TEST_ptr(data = ossl_lib_ctx_get_data(NULL, 0, &foo_method))
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|| !TEST_int_eq(data->i, 43))
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goto err;
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/* Global default should be unchanged */
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if (!TEST_ptr_eq(global, OSSL_LIB_CTX_get0_global_default()))
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goto err;
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/* Check we can swap back to the global default */
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if (!TEST_ptr(prev = OSSL_LIB_CTX_set0_default(global))
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|| !TEST_ptr_eq(local, prev)
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|| !TEST_ptr(data = ossl_lib_ctx_get_data(NULL, 0, &foo_method))
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|| !TEST_int_eq(data->i, 42))
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goto err;
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testresult = 1;
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err:
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OSSL_LIB_CTX_free(local);
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return testresult;
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}
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int setup_tests(void)
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{
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ADD_TEST(test_app_context);
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ADD_TEST(test_def_context);
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ADD_TEST(test_set0_default);
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return 1;
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}
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