/* * Copyright 2015-2018 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/crypto.h> #include "testutil.h" static long saved_argl; static void *saved_argp; static int saved_idx; static int saved_idx2; 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_int_eq(idx, saved_idx2) || !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, saved_idx2, 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 = CRYPTO_get_ex_data(to, saved_idx2); if (!TEST_int_eq(idx, saved_idx2) || !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) || !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, saved_idx2); OPENSSL_free(ex_data); if (!TEST_int_eq(idx, saved_idx2) || !TEST_long_eq(argl, saved_argl) || !TEST_ptr_eq(argp, saved_argp) || !TEST_ptr(ex_data) || !TEST_true(CRYPTO_set_ex_data(ad, saved_idx2, NULL))) gbl_result = 0; } 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)); 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_free(MYOBJ *obj) { 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(); 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, *t2, *t3; MYOBJ_EX_DATA *ex_data; const char *cp; char *p; gbl_result = 1; p = OPENSSL_strdup("hello world"); saved_argl = 21; saved_argp = OPENSSL_malloc(1); 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)) return 0; if (!TEST_ptr(CRYPTO_get_ex_data(&t1->ex_data, saved_idx2))) return 0; if (!TEST_ptr(CRYPTO_get_ex_data(&t2->ex_data, saved_idx2))) return 0; MYOBJ_sethello(t1, p); cp = MYOBJ_gethello(t1); if (!TEST_ptr_eq(cp, p)) return 0; MYOBJ_sethello2(t1, p); cp = MYOBJ_gethello2(t1); if (!TEST_ptr_eq(cp, p)) return 0; cp = MYOBJ_gethello(t2); if (!TEST_ptr_null(cp)) return 0; cp = MYOBJ_gethello2(t2); if (!TEST_ptr_null(cp)) return 0; t3 = MYOBJ_dup(t1); if (!TEST_int_eq(t3->st, 1)) return 0; ex_data = CRYPTO_get_ex_data(&t3->ex_data, saved_idx2); if (!TEST_ptr(ex_data)) return 0; if (!TEST_int_eq(ex_data->dup, 1)) return 0; cp = MYOBJ_gethello(t3); if (!TEST_ptr_eq(cp, p)) return 0; cp = MYOBJ_gethello2(t3); if (!TEST_ptr_eq(cp, p)) return 0; MYOBJ_free(t1); MYOBJ_free(t2); MYOBJ_free(t3); OPENSSL_free(saved_argp); OPENSSL_free(p); if (gbl_result) return 1; else return 0; } int setup_tests(void) { ADD_TEST(test_exdata); return 1; }