1 /* 2 * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include <string.h> 12 #include <stdlib.h> 13 #include <openssl/crypto.h> 14 15 #include "testutil.h" 16 17 static long saved_argl; 18 static void *saved_argp; 19 static int saved_idx; 20 static int saved_idx2; 21 static int gbl_result; 22 23 /* 24 * SIMPLE EX_DATA IMPLEMENTATION 25 * Apps explicitly set/get ex_data as needed 26 */ 27 28 static void exnew(void *parent, void *ptr, CRYPTO_EX_DATA *ad, 29 int idx, long argl, void *argp) 30 { 31 if (!TEST_int_eq(idx, saved_idx) 32 || !TEST_long_eq(argl, saved_argl) 33 || !TEST_ptr_eq(argp, saved_argp) 34 || !TEST_ptr_null(ptr)) 35 gbl_result = 0; 36 } 37 38 static int exdup(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from, 39 void *from_d, int idx, long argl, void *argp) 40 { 41 if (!TEST_int_eq(idx, saved_idx) 42 || !TEST_long_eq(argl, saved_argl) 43 || !TEST_ptr_eq(argp, saved_argp) 44 || !TEST_ptr(from_d)) 45 gbl_result = 0; 46 return 1; 47 } 48 49 static void exfree(void *parent, void *ptr, CRYPTO_EX_DATA *ad, 50 int idx, long argl, void *argp) 51 { 52 if (!TEST_int_eq(idx, saved_idx) 53 || !TEST_long_eq(argl, saved_argl) 54 || !TEST_ptr_eq(argp, saved_argp)) 55 gbl_result = 0; 56 } 57 58 /* 59 * PRE-ALLOCATED EX_DATA IMPLEMENTATION 60 * Extended data structure is allocated in exnew2/freed in exfree2 61 * Data is stored inside extended data structure 62 */ 63 64 typedef struct myobj_ex_data_st { 65 char *hello; 66 int new; 67 int dup; 68 } MYOBJ_EX_DATA; 69 70 static void exnew2(void *parent, void *ptr, CRYPTO_EX_DATA *ad, 71 int idx, long argl, void *argp) 72 { 73 MYOBJ_EX_DATA *ex_data = OPENSSL_zalloc(sizeof(*ex_data)); 74 if (!TEST_int_eq(idx, saved_idx2) 75 || !TEST_long_eq(argl, saved_argl) 76 || !TEST_ptr_eq(argp, saved_argp) 77 || !TEST_ptr_null(ptr) 78 || !TEST_ptr(ex_data) 79 || !TEST_true(CRYPTO_set_ex_data(ad, saved_idx2, ex_data))) { 80 gbl_result = 0; 81 OPENSSL_free(ex_data); 82 } else { 83 ex_data->new = 1; 84 } 85 } 86 87 static int exdup2(CRYPTO_EX_DATA *to, const CRYPTO_EX_DATA *from, 88 void *from_d, int idx, long argl, void *argp) 89 { 90 MYOBJ_EX_DATA **update_ex_data = (MYOBJ_EX_DATA**)from_d; 91 MYOBJ_EX_DATA *ex_data = CRYPTO_get_ex_data(to, saved_idx2); 92 if (!TEST_int_eq(idx, saved_idx2) 93 || !TEST_long_eq(argl, saved_argl) 94 || !TEST_ptr_eq(argp, saved_argp) 95 || !TEST_ptr(from_d) 96 || !TEST_ptr(*update_ex_data) 97 || !TEST_ptr(ex_data) 98 || !TEST_true(ex_data->new)) { 99 gbl_result = 0; 100 } else { 101 /* Copy hello over */ 102 ex_data->hello = (*update_ex_data)->hello; 103 /* indicate this is a dup */ 104 ex_data->dup = 1; 105 /* Keep my original ex_data */ 106 *update_ex_data = ex_data; 107 } 108 return 1; 109 } 110 111 static void exfree2(void *parent, void *ptr, CRYPTO_EX_DATA *ad, 112 int idx, long argl, void *argp) 113 { 114 MYOBJ_EX_DATA *ex_data = CRYPTO_get_ex_data(ad, saved_idx2); 115 OPENSSL_free(ex_data); 116 if (!TEST_int_eq(idx, saved_idx2) 117 || !TEST_long_eq(argl, saved_argl) 118 || !TEST_ptr_eq(argp, saved_argp) 119 || !TEST_ptr(ex_data) 120 || !TEST_true(CRYPTO_set_ex_data(ad, saved_idx2, NULL))) 121 gbl_result = 0; 122 } 123 124 typedef struct myobj_st { 125 CRYPTO_EX_DATA ex_data; 126 int id; 127 int st; 128 } MYOBJ; 129 130 static MYOBJ *MYOBJ_new(void) 131 { 132 static int count = 0; 133 MYOBJ *obj = OPENSSL_malloc(sizeof(*obj)); 134 135 obj->id = ++count; 136 obj->st = CRYPTO_new_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data); 137 return obj; 138 } 139 140 static void MYOBJ_sethello(MYOBJ *obj, char *cp) 141 { 142 obj->st = CRYPTO_set_ex_data(&obj->ex_data, saved_idx, cp); 143 if (!TEST_int_eq(obj->st, 1)) 144 gbl_result = 0; 145 } 146 147 static char *MYOBJ_gethello(MYOBJ *obj) 148 { 149 return CRYPTO_get_ex_data(&obj->ex_data, saved_idx); 150 } 151 152 static void MYOBJ_sethello2(MYOBJ *obj, char *cp) 153 { 154 MYOBJ_EX_DATA* ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx2); 155 if (TEST_ptr(ex_data)) 156 ex_data->hello = cp; 157 else 158 obj->st = gbl_result = 0; 159 } 160 161 static char *MYOBJ_gethello2(MYOBJ *obj) 162 { 163 MYOBJ_EX_DATA* ex_data = CRYPTO_get_ex_data(&obj->ex_data, saved_idx2); 164 if (TEST_ptr(ex_data)) 165 return ex_data->hello; 166 167 obj->st = gbl_result = 0; 168 return NULL; 169 } 170 171 static void MYOBJ_free(MYOBJ *obj) 172 { 173 CRYPTO_free_ex_data(CRYPTO_EX_INDEX_APP, obj, &obj->ex_data); 174 OPENSSL_free(obj); 175 } 176 177 static MYOBJ *MYOBJ_dup(MYOBJ *in) 178 { 179 MYOBJ *obj = MYOBJ_new(); 180 181 obj->st |= CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_APP, &obj->ex_data, 182 &in->ex_data); 183 return obj; 184 } 185 186 static int test_exdata(void) 187 { 188 MYOBJ *t1, *t2, *t3; 189 MYOBJ_EX_DATA *ex_data; 190 const char *cp; 191 char *p; 192 193 gbl_result = 1; 194 195 p = OPENSSL_strdup("hello world"); 196 saved_argl = 21; 197 saved_argp = OPENSSL_malloc(1); 198 saved_idx = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, 199 saved_argl, saved_argp, 200 exnew, exdup, exfree); 201 saved_idx2 = CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_APP, 202 saved_argl, saved_argp, 203 exnew2, exdup2, exfree2); 204 t1 = MYOBJ_new(); 205 t2 = MYOBJ_new(); 206 if (!TEST_int_eq(t1->st, 1) || !TEST_int_eq(t2->st, 1)) 207 return 0; 208 if (!TEST_ptr(CRYPTO_get_ex_data(&t1->ex_data, saved_idx2))) 209 return 0; 210 if (!TEST_ptr(CRYPTO_get_ex_data(&t2->ex_data, saved_idx2))) 211 return 0; 212 213 MYOBJ_sethello(t1, p); 214 cp = MYOBJ_gethello(t1); 215 if (!TEST_ptr_eq(cp, p)) 216 return 0; 217 218 MYOBJ_sethello2(t1, p); 219 cp = MYOBJ_gethello2(t1); 220 if (!TEST_ptr_eq(cp, p)) 221 return 0; 222 223 cp = MYOBJ_gethello(t2); 224 if (!TEST_ptr_null(cp)) 225 return 0; 226 227 cp = MYOBJ_gethello2(t2); 228 if (!TEST_ptr_null(cp)) 229 return 0; 230 231 t3 = MYOBJ_dup(t1); 232 if (!TEST_int_eq(t3->st, 1)) 233 return 0; 234 235 ex_data = CRYPTO_get_ex_data(&t3->ex_data, saved_idx2); 236 if (!TEST_ptr(ex_data)) 237 return 0; 238 if (!TEST_int_eq(ex_data->dup, 1)) 239 return 0; 240 241 cp = MYOBJ_gethello(t3); 242 if (!TEST_ptr_eq(cp, p)) 243 return 0; 244 245 cp = MYOBJ_gethello2(t3); 246 if (!TEST_ptr_eq(cp, p)) 247 return 0; 248 249 MYOBJ_free(t1); 250 MYOBJ_free(t2); 251 MYOBJ_free(t3); 252 OPENSSL_free(saved_argp); 253 OPENSSL_free(p); 254 255 if (gbl_result) 256 return 1; 257 else 258 return 0; 259 } 260 261 int setup_tests(void) 262 { 263 ADD_TEST(test_exdata); 264 return 1; 265 } 266
Indexes created Sun Mar 01 05:31:48 UTC 2026