1 | /*
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2 | * Copyright 2018-2021 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the Apache License 2.0 (the "License"). You may not use
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5 | * this file except in compliance with the License. You can obtain a copy
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6 | * in the file LICENSE in the source distribution or at
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7 | * https://www.openssl.org/source/license.html
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8 | */
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9 | #define OPENSSL_SUPPRESS_DEPRECATED
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10 | #include <stdio.h>
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11 | #include <string.h>
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12 | #include <openssl/bio.h>
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13 |
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14 | #include "testutil.h"
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15 |
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16 | #define MAXCOUNT 5
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17 | static int my_param_count;
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18 | static BIO *my_param_b[MAXCOUNT];
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19 | static int my_param_oper[MAXCOUNT];
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20 | static const char *my_param_argp[MAXCOUNT];
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21 | static int my_param_argi[MAXCOUNT];
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22 | static long my_param_argl[MAXCOUNT];
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23 | static long my_param_ret[MAXCOUNT];
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24 | static size_t my_param_len[MAXCOUNT];
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25 | static size_t my_param_processed[MAXCOUNT];
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26 |
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27 | static long my_bio_cb_ex(BIO *b, int oper, const char *argp, size_t len,
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28 | int argi, long argl, int ret, size_t *processed)
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29 | {
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30 | if (my_param_count >= MAXCOUNT)
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31 | return -1;
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32 | my_param_b[my_param_count] = b;
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33 | my_param_oper[my_param_count] = oper;
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34 | my_param_argp[my_param_count] = argp;
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35 | my_param_argi[my_param_count] = argi;
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36 | my_param_argl[my_param_count] = argl;
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37 | my_param_ret[my_param_count] = ret;
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38 | my_param_len[my_param_count] = len;
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39 | my_param_processed[my_param_count] = processed != NULL ? *processed : 0;
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40 |
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41 | my_param_count++;
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42 | return ret;
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43 | }
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44 |
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45 | static int test_bio_callback_ex(void)
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46 | {
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47 | int ok = 0;
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48 | BIO *bio;
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49 | int i;
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50 | char test1[] = "test";
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51 | const size_t test1len = sizeof(test1) - 1;
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52 | char test2[] = "hello";
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53 | const size_t test2len = sizeof(test2) - 1;
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54 | char buf[16];
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55 |
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56 | my_param_count = 0;
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57 |
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58 | bio = BIO_new(BIO_s_mem());
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59 | if (bio == NULL)
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60 | goto err;
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61 |
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62 | BIO_set_callback_ex(bio, my_bio_cb_ex);
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63 | i = BIO_write(bio, test1, test1len);
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64 | if (!TEST_int_eq(i, test1len)
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65 | || !TEST_int_eq(my_param_count, 2)
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66 | || !TEST_ptr_eq(my_param_b[0], bio)
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67 | || !TEST_int_eq(my_param_oper[0], BIO_CB_WRITE)
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68 | || !TEST_ptr_eq(my_param_argp[0], test1)
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69 | || !TEST_size_t_eq(my_param_len[0], test1len)
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70 | || !TEST_long_eq(my_param_argl[0], 0L)
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71 | || !TEST_int_eq((int)my_param_ret[0], 1)
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72 | || !TEST_ptr_eq(my_param_b[1], bio)
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73 | || !TEST_int_eq(my_param_oper[1], BIO_CB_WRITE | BIO_CB_RETURN)
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74 | || !TEST_ptr_eq(my_param_argp[1], test1)
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75 | || !TEST_size_t_eq(my_param_len[1], test1len)
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76 | || !TEST_long_eq(my_param_argl[1], 0L)
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77 | || !TEST_size_t_eq(my_param_processed[1], test1len)
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78 | || !TEST_int_eq((int)my_param_ret[1], 1))
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79 | goto err;
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80 |
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81 | my_param_count = 0;
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82 | i = BIO_read(bio, buf, sizeof(buf));
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83 | if (!TEST_mem_eq(buf, i, test1, test1len)
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84 | || !TEST_int_eq(my_param_count, 2)
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85 | || !TEST_ptr_eq(my_param_b[0], bio)
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86 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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87 | || !TEST_ptr_eq(my_param_argp[0], buf)
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88 | || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
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89 | || !TEST_long_eq(my_param_argl[0], 0L)
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90 | || !TEST_int_eq((int)my_param_ret[0], 1)
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91 | || !TEST_ptr_eq(my_param_b[1], bio)
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92 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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93 | || !TEST_ptr_eq(my_param_argp[1], buf)
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94 | || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
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95 | || !TEST_long_eq(my_param_argl[1], 0L)
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96 | || !TEST_size_t_eq(my_param_processed[1], test1len)
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97 | || !TEST_int_eq((int)my_param_ret[1], 1))
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98 | goto err;
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99 |
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100 | /* By default a mem bio returns -1 if it has run out of data */
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101 | my_param_count = 0;
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102 | i = BIO_read(bio, buf, sizeof(buf));
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103 | if (!TEST_int_eq(i, -1)
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104 | || !TEST_int_eq(my_param_count, 2)
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105 | || !TEST_ptr_eq(my_param_b[0], bio)
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106 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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107 | || !TEST_ptr_eq(my_param_argp[0], buf)
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108 | || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
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109 | || !TEST_long_eq(my_param_argl[0], 0L)
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110 | || !TEST_int_eq((int)my_param_ret[0], 1)
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111 | || !TEST_ptr_eq(my_param_b[1], bio)
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112 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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113 | || !TEST_ptr_eq(my_param_argp[1], buf)
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114 | || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
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115 | || !TEST_long_eq(my_param_argl[1], 0L)
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116 | || !TEST_size_t_eq(my_param_processed[1], 0)
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117 | || !TEST_int_eq((int)my_param_ret[1], -1))
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118 | goto err;
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119 |
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120 | /* Force the mem bio to return 0 if it has run out of data */
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121 | my_param_count = 0;
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122 | i = BIO_set_mem_eof_return(bio, 0);
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123 | if (!TEST_int_eq(i, 1)
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124 | || !TEST_int_eq(my_param_count, 2)
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125 | || !TEST_ptr_eq(my_param_b[0], bio)
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126 | || !TEST_int_eq(my_param_oper[0], BIO_CB_CTRL)
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127 | || !TEST_ptr_eq(my_param_argp[0], NULL)
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128 | || !TEST_int_eq(my_param_argi[0], BIO_C_SET_BUF_MEM_EOF_RETURN)
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129 | || !TEST_long_eq(my_param_argl[0], 0L)
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130 | || !TEST_int_eq((int)my_param_ret[0], 1)
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131 | || !TEST_ptr_eq(my_param_b[1], bio)
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132 | || !TEST_int_eq(my_param_oper[1], BIO_CB_CTRL | BIO_CB_RETURN)
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133 | || !TEST_ptr_eq(my_param_argp[1], NULL)
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134 | || !TEST_int_eq(my_param_argi[1], BIO_C_SET_BUF_MEM_EOF_RETURN)
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135 | || !TEST_long_eq(my_param_argl[1], 0L)
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136 | || !TEST_int_eq((int)my_param_ret[1], 1))
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137 | goto err;
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138 | my_param_count = 0;
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139 | i = BIO_read(bio, buf, sizeof(buf));
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140 | if (!TEST_int_eq(i, 0)
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141 | || !TEST_int_eq(my_param_count, 2)
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142 | || !TEST_ptr_eq(my_param_b[0], bio)
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143 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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144 | || !TEST_ptr_eq(my_param_argp[0], buf)
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145 | || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
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146 | || !TEST_long_eq(my_param_argl[0], 0L)
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147 | || !TEST_int_eq((int)my_param_ret[0], 1)
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148 | || !TEST_ptr_eq(my_param_b[1], bio)
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149 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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150 | || !TEST_ptr_eq(my_param_argp[1], buf)
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151 | || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
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152 | || !TEST_long_eq(my_param_argl[1], 0L)
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153 | || !TEST_size_t_eq(my_param_processed[1], 0)
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154 | || !TEST_int_eq((int)my_param_ret[1], 0))
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155 | goto err;
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156 |
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157 | my_param_count = 0;
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158 | i = BIO_puts(bio, test2);
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159 | if (!TEST_int_eq(i, 5)
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160 | || !TEST_int_eq(my_param_count, 2)
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161 | || !TEST_ptr_eq(my_param_b[0], bio)
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162 | || !TEST_int_eq(my_param_oper[0], BIO_CB_PUTS)
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163 | || !TEST_ptr_eq(my_param_argp[0], test2)
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164 | || !TEST_int_eq(my_param_argi[0], 0)
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165 | || !TEST_long_eq(my_param_argl[0], 0L)
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166 | || !TEST_int_eq((int)my_param_ret[0], 1)
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167 | || !TEST_ptr_eq(my_param_b[1], bio)
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168 | || !TEST_int_eq(my_param_oper[1], BIO_CB_PUTS | BIO_CB_RETURN)
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169 | || !TEST_ptr_eq(my_param_argp[1], test2)
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170 | || !TEST_int_eq(my_param_argi[1], 0)
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171 | || !TEST_long_eq(my_param_argl[1], 0L)
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172 | || !TEST_size_t_eq(my_param_processed[1], test2len)
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173 | || !TEST_int_eq((int)my_param_ret[1], 1))
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174 | goto err;
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175 |
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176 | my_param_count = 0;
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177 | i = BIO_free(bio);
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178 | if (!TEST_int_eq(i, 1)
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179 | || !TEST_int_eq(my_param_count, 1)
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180 | || !TEST_ptr_eq(my_param_b[0], bio)
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181 | || !TEST_int_eq(my_param_oper[0], BIO_CB_FREE)
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182 | || !TEST_ptr_eq(my_param_argp[0], NULL)
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183 | || !TEST_int_eq(my_param_argi[0], 0)
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184 | || !TEST_long_eq(my_param_argl[0], 0L)
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185 | || !TEST_int_eq((int)my_param_ret[0], 1))
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186 | goto finish;
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187 |
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188 | ok = 1;
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189 | goto finish;
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190 |
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191 | err:
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192 | BIO_free(bio);
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193 |
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194 | finish:
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195 | /* This helps finding memory leaks with ASAN */
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196 | memset(my_param_b, 0, sizeof(my_param_b));
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197 | memset(my_param_argp, 0, sizeof(my_param_argp));
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198 | return ok;
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199 | }
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200 |
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201 | #ifndef OPENSSL_NO_DEPRECATED_3_0
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202 | static long my_bio_callback(BIO *b, int oper, const char *argp, int argi,
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203 | long argl, long ret)
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204 | {
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205 | if (my_param_count >= MAXCOUNT)
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206 | return -1;
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207 | my_param_b[my_param_count] = b;
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208 | my_param_oper[my_param_count] = oper;
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209 | my_param_argp[my_param_count] = argp;
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210 | my_param_argi[my_param_count] = argi;
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211 | my_param_argl[my_param_count] = argl;
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212 | my_param_ret[my_param_count] = ret;
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213 | my_param_count++;
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214 | return ret;
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215 | }
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216 |
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217 | static int test_bio_callback(void)
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218 | {
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219 | int ok = 0;
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220 | BIO *bio;
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221 | int i;
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222 | char test1[] = "test";
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223 | const int test1len = sizeof(test1) - 1;
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224 | char test2[] = "hello";
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225 | const int test2len = sizeof(test2) - 1;
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226 | char buf[16];
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227 |
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228 | my_param_count = 0;
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229 |
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230 | bio = BIO_new(BIO_s_mem());
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231 | if (bio == NULL)
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232 | goto err;
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233 |
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234 | BIO_set_callback(bio, my_bio_callback);
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235 | i = BIO_write(bio, test1, test1len);
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236 | if (!TEST_int_eq(i, test1len)
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237 | || !TEST_int_eq(my_param_count, 2)
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238 | || !TEST_ptr_eq(my_param_b[0], bio)
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239 | || !TEST_int_eq(my_param_oper[0], BIO_CB_WRITE)
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240 | || !TEST_ptr_eq(my_param_argp[0], test1)
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241 | || !TEST_int_eq(my_param_argi[0], test1len)
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242 | || !TEST_long_eq(my_param_argl[0], 0L)
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243 | || !TEST_long_eq(my_param_ret[0], 1L)
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244 | || !TEST_ptr_eq(my_param_b[1], bio)
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245 | || !TEST_int_eq(my_param_oper[1], BIO_CB_WRITE | BIO_CB_RETURN)
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246 | || !TEST_ptr_eq(my_param_argp[1], test1)
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247 | || !TEST_int_eq(my_param_argi[1], test1len)
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248 | || !TEST_long_eq(my_param_argl[1], 0L)
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249 | || !TEST_long_eq(my_param_ret[1], (long)test1len))
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250 | goto err;
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251 |
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252 | my_param_count = 0;
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253 | i = BIO_read(bio, buf, sizeof(buf));
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254 | if (!TEST_mem_eq(buf, i, test1, test1len)
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255 | || !TEST_int_eq(my_param_count, 2)
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256 | || !TEST_ptr_eq(my_param_b[0], bio)
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257 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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258 | || !TEST_ptr_eq(my_param_argp[0], buf)
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259 | || !TEST_int_eq(my_param_argi[0], sizeof(buf))
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260 | || !TEST_long_eq(my_param_argl[0], 0L)
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261 | || !TEST_long_eq(my_param_ret[0], 1L)
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262 | || !TEST_ptr_eq(my_param_b[1], bio)
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263 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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264 | || !TEST_ptr_eq(my_param_argp[1], buf)
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265 | || !TEST_int_eq(my_param_argi[1], sizeof(buf))
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266 | || !TEST_long_eq(my_param_argl[1], 0L)
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267 | || !TEST_long_eq(my_param_ret[1], (long)test1len))
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268 | goto err;
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269 |
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270 | /* By default a mem bio returns -1 if it has run out of data */
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271 | my_param_count = 0;
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272 | i = BIO_read(bio, buf, sizeof(buf));
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273 | if (!TEST_int_eq(i, -1)
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274 | || !TEST_int_eq(my_param_count, 2)
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275 | || !TEST_ptr_eq(my_param_b[0], bio)
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276 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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277 | || !TEST_ptr_eq(my_param_argp[0], buf)
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278 | || !TEST_int_eq(my_param_argi[0], sizeof(buf))
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279 | || !TEST_long_eq(my_param_argl[0], 0L)
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280 | || !TEST_long_eq(my_param_ret[0], 1L)
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281 | || !TEST_ptr_eq(my_param_b[1], bio)
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282 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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283 | || !TEST_ptr_eq(my_param_argp[1], buf)
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284 | || !TEST_int_eq(my_param_argi[1], sizeof(buf))
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285 | || !TEST_long_eq(my_param_argl[1], 0L)
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286 | || !TEST_long_eq(my_param_ret[1], -1L))
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287 | goto err;
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288 |
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289 | /* Force the mem bio to return 0 if it has run out of data */
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290 | BIO_set_mem_eof_return(bio, 0);
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291 | my_param_count = 0;
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292 | i = BIO_read(bio, buf, sizeof(buf));
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293 | if (!TEST_int_eq(i, 0)
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294 | || !TEST_int_eq(my_param_count, 2)
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295 | || !TEST_ptr_eq(my_param_b[0], bio)
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296 | || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
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297 | || !TEST_ptr_eq(my_param_argp[0], buf)
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298 | || !TEST_int_eq(my_param_argi[0], sizeof(buf))
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299 | || !TEST_long_eq(my_param_argl[0], 0L)
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300 | || !TEST_long_eq(my_param_ret[0], 1L)
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301 | || !TEST_ptr_eq(my_param_b[1], bio)
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302 | || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
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303 | || !TEST_ptr_eq(my_param_argp[1], buf)
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304 | || !TEST_int_eq(my_param_argi[1], sizeof(buf))
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305 | || !TEST_long_eq(my_param_argl[1], 0L)
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306 | || !TEST_long_eq(my_param_ret[1], 0L))
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307 | goto err;
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308 |
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309 | my_param_count = 0;
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310 | i = BIO_puts(bio, test2);
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311 | if (!TEST_int_eq(i, 5)
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312 | || !TEST_int_eq(my_param_count, 2)
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313 | || !TEST_ptr_eq(my_param_b[0], bio)
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314 | || !TEST_int_eq(my_param_oper[0], BIO_CB_PUTS)
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315 | || !TEST_ptr_eq(my_param_argp[0], test2)
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316 | || !TEST_int_eq(my_param_argi[0], 0)
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317 | || !TEST_long_eq(my_param_argl[0], 0L)
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318 | || !TEST_long_eq(my_param_ret[0], 1L)
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319 | || !TEST_ptr_eq(my_param_b[1], bio)
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320 | || !TEST_int_eq(my_param_oper[1], BIO_CB_PUTS | BIO_CB_RETURN)
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321 | || !TEST_ptr_eq(my_param_argp[1], test2)
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322 | || !TEST_int_eq(my_param_argi[1], 0)
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323 | || !TEST_long_eq(my_param_argl[1], 0L)
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324 | || !TEST_long_eq(my_param_ret[1], (long)test2len))
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325 | goto err;
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326 |
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327 | my_param_count = 0;
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328 | i = BIO_free(bio);
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329 | if (!TEST_int_eq(i, 1)
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330 | || !TEST_int_eq(my_param_count, 1)
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331 | || !TEST_ptr_eq(my_param_b[0], bio)
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332 | || !TEST_int_eq(my_param_oper[0], BIO_CB_FREE)
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333 | || !TEST_ptr_eq(my_param_argp[0], NULL)
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334 | || !TEST_int_eq(my_param_argi[0], 0)
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335 | || !TEST_long_eq(my_param_argl[0], 0L)
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336 | || !TEST_long_eq(my_param_ret[0], 1L))
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337 | goto finish;
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---|
338 |
|
---|
339 | ok = 1;
|
---|
340 | goto finish;
|
---|
341 |
|
---|
342 | err:
|
---|
343 | BIO_free(bio);
|
---|
344 |
|
---|
345 | finish:
|
---|
346 | /* This helps finding memory leaks with ASAN */
|
---|
347 | memset(my_param_b, 0, sizeof(my_param_b));
|
---|
348 | memset(my_param_argp, 0, sizeof(my_param_argp));
|
---|
349 | return ok;
|
---|
350 | }
|
---|
351 | #endif
|
---|
352 |
|
---|
353 | int setup_tests(void)
|
---|
354 | {
|
---|
355 | ADD_TEST(test_bio_callback_ex);
|
---|
356 | #ifndef OPENSSL_NO_DEPRECATED_3_0
|
---|
357 | ADD_TEST(test_bio_callback);
|
---|
358 | #endif
|
---|
359 | return 1;
|
---|
360 | }
|
---|