| /* |
| * Copyright 2015-2021 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 |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include <openssl/crypto.h> |
| |
| #include "testutil.h" |
| |
| static long saved_argl; |
| static void *saved_argp; |
| static int saved_idx; |
| static int saved_idx2; |
| static int saved_idx3; |
| static int gbl_result; |
| |
| /* |
| * SIMPLE EX_DATA IMPLEMENTATION |
| * Apps explicitly set/get ex_data as needed |
| */ |
| |
| static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad, |
| int idx, long argl, void *argp) |
| { |
| if (!TEST_int_eq(idx, saved_idx) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp) |
| || !TEST_ptr_null(ptr)) |
| gbl_result = 0; |
| } |
| |
| static int exdup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from, |
| void **from_d, int idx, long argl, void *argp) |
| { |
| if (!TEST_int_eq(idx, saved_idx) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp) |
| || !TEST_ptr(from_d)) |
| gbl_result = 0; |
| return 1; |
| } |
| |
| static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad, |
| int idx, long argl, void *argp) |
| { |
| if (!TEST_int_eq(idx, saved_idx) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp)) |
| gbl_result = 0; |
| } |
| |
| /* |
| * PRE-ALLOCATED EX_DATA IMPLEMENTATION |
| * Extended data structure is allocated in exnew2/freed in exfree2 |
| * Data is stored inside extended data structure |
| */ |
| |
| typedef struct myobj_ex_data_st { |
| char *hello; |
| int new; |
| int dup; |
| } MYOBJ_EX_DATA; |
| |
| static void exnew2(void *parent, void *ptr, CRYPTO_EX_DATA *ad, |
| int idx, long argl, void *argp) |
| { |
| MYOBJ_EX_DATA *ex_data = OPENSSL_zalloc(sizeof(*ex_data)); |
| |
| if (!TEST_true(idx == saved_idx2 || idx == saved_idx3) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp) |
| || !TEST_ptr_null(ptr) |
| || !TEST_ptr(ex_data) |
| || !TEST_true(CRYPTO_set_ex_data(ad, idx, ex_data))) { |
| gbl_result = 0; |
| OPENSSL_free(ex_data); |
| } else { |
| ex_data->new = 1; |
| } |
| } |
| |
| static int exdup2(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from, |
| void **from_d, int idx, long argl, void *argp) |
| { |
| MYOBJ_EX_DATA **update_ex_data = (MYOBJ_EX_DATA**)from_d; |
| MYOBJ_EX_DATA *ex_data = NULL; |
| |
| if (!TEST_true(idx == saved_idx2 || idx == saved_idx3) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp) |
| || !TEST_ptr(from_d) |
| || !TEST_ptr(*update_ex_data) |
| || !TEST_ptr(ex_data = CRYPTO_get_ex_data(to, idx)) |
| || !TEST_true(ex_data->new)) { |
| gbl_result = 0; |
| } else { |
| /* Copy hello over */ |
| ex_data->hello = (*update_ex_data)->hello; |
| /* indicate this is a dup */ |
| ex_data->dup = 1; |
| /* Keep my original ex_data */ |
| *update_ex_data = ex_data; |
| } |
| return 1; |
| } |
| |
| static void exfree2(void *parent, void *ptr, CRYPTO_EX_DATA *ad, |
| int idx, long argl, void *argp) |
| { |
| MYOBJ_EX_DATA *ex_data = CRYPTO_get_ex_data(ad, idx); |
| |
| if (!TEST_true(idx == saved_idx2 || idx == saved_idx3) |
| || !TEST_long_eq(argl, saved_argl) |
| || !TEST_ptr_eq(argp, saved_argp) |
| || !TEST_true(CRYPTO_set_ex_data(ad, idx, NULL))) |
| gbl_result = 0; |
| OPENSSL_free(ex_data); |
| } |
| |
| typedef struct myobj_st { |
| CRYPTO_EX_DATA ex_data; |
| int id; |
| int st; |
| } MYOBJ; |
| |
| static MYOBJ *MYOBJ_new(void) |
| { |
| static int count = 0; |
| MYOBJ *obj = OPENSSL_malloc(sizeof(*obj)); |
| |
| if (obj != NULL) { |
| obj->id = ++count; |
| obj->st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data); |
| } |
| return obj; |
| } |
| |
| static void MYOBJ_sethello(MYOBJ *obj, char *cp) |
| { |
| obj->st = CRYPTO_set_ex_data(&obj->ex_data, saved_idx, cp); |
| if (!TEST_int_eq(obj->st, 1)) |
| gbl_result = 0; |
| } |
| |
| static char *MYOBJ_gethello(MYOBJ *obj) |
| { |
| return CRYPTO_get_ex_data(&obj->ex_data, saved_idx); |
| } |
| |
| static void MYOBJ_sethello2(MYOBJ *obj, char *cp) |
| { |
| MYOBJ_EX_DATA* ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx2); |
| |
| if (TEST_ptr(ex_data)) |
| ex_data->hello = cp; |
| else |
| obj->st = gbl_result = 0; |
| } |
| |
| static char *MYOBJ_gethello2(MYOBJ *obj) |
| { |
| MYOBJ_EX_DATA* ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx2); |
| |
| if (TEST_ptr(ex_data)) |
| return ex_data->hello; |
| |
| obj->st = gbl_result = 0; |
| return NULL; |
| } |
| |
| static void MYOBJ_allochello3(MYOBJ *obj, char *cp) |
| { |
| MYOBJ_EX_DATA* ex_data = NULL; |
| |
| if (TEST_ptr_null(ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx3)) |
| && TEST_true(CRYPTO_alloc_ex_data(CRYPTO_EX_INDEX_APP, obj, |
| &obj->ex_data, saved_idx3)) |
| && TEST_ptr(ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx3))) |
| ex_data->hello = cp; |
| else |
| obj->st = gbl_result = 0; |
| } |
| |
| static char *MYOBJ_gethello3(MYOBJ *obj) |
| { |
| MYOBJ_EX_DATA* ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx3); |
| |
| if (TEST_ptr(ex_data)) |
| return ex_data->hello; |
| |
| obj->st = gbl_result = 0; |
| return NULL; |
| } |
| |
| static void MYOBJ_free(MYOBJ *obj) |
| { |
| if (obj != NULL) { |
| CRYPTO_free_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data); |
| OPENSSL_free(obj); |
| } |
| } |
| |
| static MYOBJ *MYOBJ_dup(MYOBJ *in) |
| { |
| MYOBJ *obj = MYOBJ_new(); |
| |
| if (obj != NULL) |
| obj->st |= CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_APP, &obj->ex_data, |
| &in->ex_data); |
| return obj; |
| } |
| |
| static int test_exdata(void) |
| { |
| MYOBJ *t1 = NULL, *t2 = NULL, *t3 = NULL; |
| MYOBJ_EX_DATA *ex_data = NULL; |
| const char *cp; |
| char *p; |
| int res = 0; |
| |
| gbl_result = 1; |
| |
| if (!TEST_ptr(p = OPENSSL_strdup("hello world"))) |
| return 0; |
| saved_argl = 21; |
| if (!TEST_ptr(saved_argp = OPENSSL_malloc(1))) |
| goto err; |
| saved_idx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, |
| saved_argl, saved_argp, |
| exnew, exdup, exfree); |
| saved_idx2 = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, |
| saved_argl, saved_argp, |
| exnew2, exdup2, exfree2); |
| t1 = MYOBJ_new(); |
| t2 = MYOBJ_new(); |
| if (!TEST_int_eq(t1->st, 1) || !TEST_int_eq(t2->st, 1)) |
| goto err; |
| if (!TEST_ptr(CRYPTO_get_ex_data(&t1->ex_data, saved_idx2))) |
| goto err; |
| |
| /* |
| * saved_idx3 differs from other indexes by being created after the exdata |
| * was initialized. |
| */ |
| saved_idx3 = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, |
| saved_argl, saved_argp, |
| exnew2, exdup2, exfree2); |
| if (!TEST_ptr_null(CRYPTO_get_ex_data(&t1->ex_data, saved_idx3))) |
| goto err; |
| |
| MYOBJ_sethello(t1, p); |
| cp = MYOBJ_gethello(t1); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| MYOBJ_sethello2(t1, p); |
| cp = MYOBJ_gethello2(t1); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| MYOBJ_allochello3(t1, p); |
| cp = MYOBJ_gethello3(t1); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| cp = MYOBJ_gethello(t2); |
| if (!TEST_ptr_null(cp)) |
| goto err; |
| |
| cp = MYOBJ_gethello2(t2); |
| if (!TEST_ptr_null(cp)) |
| goto err; |
| |
| t3 = MYOBJ_dup(t1); |
| if (!TEST_int_eq(t3->st, 1)) |
| goto err; |
| |
| ex_data = CRYPTO_get_ex_data(&t3->ex_data, saved_idx2); |
| if (!TEST_ptr(ex_data)) |
| goto err; |
| if (!TEST_int_eq(ex_data->dup, 1)) |
| goto err; |
| |
| cp = MYOBJ_gethello(t3); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| cp = MYOBJ_gethello2(t3); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| cp = MYOBJ_gethello3(t3); |
| if (!TEST_ptr_eq(cp, p)) |
| goto err; |
| |
| if (gbl_result) |
| res = 1; |
| err: |
| MYOBJ_free(t1); |
| MYOBJ_free(t2); |
| MYOBJ_free(t3); |
| OPENSSL_free(saved_argp); |
| saved_argp = NULL; |
| OPENSSL_free(p); |
| return res; |
| } |
| |
| int setup_tests(void) |
| { |
| ADD_TEST(test_exdata); |
| return 1; |
| } |
