1 | /*
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2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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3 | *
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4 | * Licensed under the OpenSSL license (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 |
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10 | #include <stdio.h>
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11 | #include <stdlib.h>
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12 | #include <string.h>
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13 | #include "apps.h"
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14 | #include <openssl/bio.h>
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15 | #include <openssl/err.h>
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16 | #include <openssl/x509.h>
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17 | #include <openssl/pem.h>
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18 | #include <openssl/ssl.h>
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19 |
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20 | typedef enum OPTION_choice {
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21 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
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22 | OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT,
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23 | OPT_TEXT, OPT_CERT, OPT_NOOUT, OPT_CONTEXT
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24 | } OPTION_CHOICE;
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25 |
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26 | OPTIONS sess_id_options[] = {
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27 | {"help", OPT_HELP, '-', "Display this summary"},
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28 | {"inform", OPT_INFORM, 'F', "Input format - default PEM (DER or PEM)"},
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29 | {"outform", OPT_OUTFORM, 'f',
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30 | "Output format - default PEM (PEM, DER or NSS)"},
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31 | {"in", OPT_IN, 's', "Input file - default stdin"},
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32 | {"out", OPT_OUT, 's', "Output file - default stdout"},
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33 | {"text", OPT_TEXT, '-', "Print ssl session id details"},
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34 | {"cert", OPT_CERT, '-', "Output certificate "},
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35 | {"noout", OPT_NOOUT, '-', "Don't output the encoded session info"},
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36 | {"context", OPT_CONTEXT, 's', "Set the session ID context"},
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37 | {NULL}
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38 | };
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39 |
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40 | static SSL_SESSION *load_sess_id(char *file, int format);
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41 |
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42 | int sess_id_main(int argc, char **argv)
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43 | {
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44 | SSL_SESSION *x = NULL;
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45 | X509 *peer = NULL;
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46 | BIO *out = NULL;
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47 | char *infile = NULL, *outfile = NULL, *context = NULL, *prog;
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48 | int informat = FORMAT_PEM, outformat = FORMAT_PEM;
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49 | int cert = 0, noout = 0, text = 0, ret = 1, i, num = 0;
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50 | OPTION_CHOICE o;
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51 |
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52 | prog = opt_init(argc, argv, sess_id_options);
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53 | while ((o = opt_next()) != OPT_EOF) {
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54 | switch (o) {
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55 | case OPT_EOF:
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56 | case OPT_ERR:
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57 | opthelp:
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58 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
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59 | goto end;
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60 | case OPT_HELP:
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61 | opt_help(sess_id_options);
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62 | ret = 0;
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63 | goto end;
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64 | case OPT_INFORM:
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65 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
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66 | goto opthelp;
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67 | break;
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68 | case OPT_OUTFORM:
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69 | if (!opt_format(opt_arg(), OPT_FMT_PEMDER | OPT_FMT_NSS,
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70 | &outformat))
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71 | goto opthelp;
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72 | break;
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73 | case OPT_IN:
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74 | infile = opt_arg();
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75 | break;
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76 | case OPT_OUT:
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77 | outfile = opt_arg();
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78 | break;
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79 | case OPT_TEXT:
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80 | text = ++num;
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81 | break;
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82 | case OPT_CERT:
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83 | cert = ++num;
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84 | break;
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85 | case OPT_NOOUT:
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86 | noout = ++num;
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87 | break;
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88 | case OPT_CONTEXT:
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89 | context = opt_arg();
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90 | break;
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91 | }
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92 | }
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93 | argc = opt_num_rest();
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94 | if (argc != 0)
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95 | goto opthelp;
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96 |
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97 | x = load_sess_id(infile, informat);
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98 | if (x == NULL) {
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99 | goto end;
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100 | }
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101 | peer = SSL_SESSION_get0_peer(x);
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102 |
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103 | if (context) {
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104 | size_t ctx_len = strlen(context);
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105 | if (ctx_len > SSL_MAX_SID_CTX_LENGTH) {
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106 | BIO_printf(bio_err, "Context too long\n");
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107 | goto end;
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108 | }
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109 | if (!SSL_SESSION_set1_id_context(x, (unsigned char *)context,
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110 | ctx_len)) {
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111 | BIO_printf(bio_err, "Error setting id context\n");
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112 | goto end;
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113 | }
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114 | }
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115 |
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116 | if (!noout || text) {
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117 | out = bio_open_default(outfile, 'w', outformat);
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118 | if (out == NULL)
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119 | goto end;
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120 | }
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121 |
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122 | if (text) {
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123 | SSL_SESSION_print(out, x);
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124 |
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125 | if (cert) {
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126 | if (peer == NULL)
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127 | BIO_puts(out, "No certificate present\n");
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128 | else
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129 | X509_print(out, peer);
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130 | }
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131 | }
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132 |
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133 | if (!noout && !cert) {
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134 | if (outformat == FORMAT_ASN1)
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135 | i = i2d_SSL_SESSION_bio(out, x);
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136 | else if (outformat == FORMAT_PEM)
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137 | i = PEM_write_bio_SSL_SESSION(out, x);
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138 | else if (outformat == FORMAT_NSS)
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139 | i = SSL_SESSION_print_keylog(out, x);
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140 | else {
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141 | BIO_printf(bio_err, "bad output format specified for outfile\n");
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142 | goto end;
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143 | }
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144 | if (!i) {
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145 | BIO_printf(bio_err, "unable to write SSL_SESSION\n");
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146 | goto end;
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147 | }
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148 | } else if (!noout && (peer != NULL)) { /* just print the certificate */
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149 | if (outformat == FORMAT_ASN1)
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150 | i = (int)i2d_X509_bio(out, peer);
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151 | else if (outformat == FORMAT_PEM)
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152 | i = PEM_write_bio_X509(out, peer);
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153 | else {
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154 | BIO_printf(bio_err, "bad output format specified for outfile\n");
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155 | goto end;
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156 | }
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157 | if (!i) {
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158 | BIO_printf(bio_err, "unable to write X509\n");
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159 | goto end;
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160 | }
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161 | }
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162 | ret = 0;
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163 | end:
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164 | BIO_free_all(out);
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165 | SSL_SESSION_free(x);
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166 | return (ret);
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167 | }
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168 |
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169 | static SSL_SESSION *load_sess_id(char *infile, int format)
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170 | {
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171 | SSL_SESSION *x = NULL;
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172 | BIO *in = NULL;
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173 |
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174 | in = bio_open_default(infile, 'r', format);
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175 | if (in == NULL)
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176 | goto end;
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177 | if (format == FORMAT_ASN1)
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178 | x = d2i_SSL_SESSION_bio(in, NULL);
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179 | else
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180 | x = PEM_read_bio_SSL_SESSION(in, NULL, NULL, NULL);
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181 | if (x == NULL) {
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182 | BIO_printf(bio_err, "unable to load SSL_SESSION\n");
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183 | ERR_print_errors(bio_err);
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184 | goto end;
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185 | }
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186 |
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187 | end:
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188 | BIO_free(in);
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189 | return (x);
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190 | }
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