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 "internal/cryptlib.h"
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12 | #include <openssl/buffer.h>
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13 | #include <openssl/bn.h>
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14 | #include <openssl/objects.h>
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15 | #include <openssl/x509.h>
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16 | #include <openssl/x509v3.h>
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17 | #include <openssl/rsa.h>
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18 | #include <openssl/dsa.h>
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19 |
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20 | #ifndef OPENSSL_NO_STDIO
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21 | int X509_REQ_print_fp(FILE *fp, X509_REQ *x)
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22 | {
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23 | BIO *b;
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24 | int ret;
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25 |
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26 | if ((b = BIO_new(BIO_s_file())) == NULL) {
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27 | X509err(X509_F_X509_REQ_PRINT_FP, ERR_R_BUF_LIB);
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28 | return (0);
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29 | }
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30 | BIO_set_fp(b, fp, BIO_NOCLOSE);
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31 | ret = X509_REQ_print(b, x);
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32 | BIO_free(b);
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33 | return (ret);
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34 | }
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35 | #endif
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36 |
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37 | int X509_REQ_print_ex(BIO *bp, X509_REQ *x, unsigned long nmflags,
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38 | unsigned long cflag)
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39 | {
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40 | long l;
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41 | int i;
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42 | EVP_PKEY *pkey;
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43 | STACK_OF(X509_EXTENSION) *exts;
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44 | char mlch = ' ';
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45 | int nmindent = 0;
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46 |
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47 | if ((nmflags & XN_FLAG_SEP_MASK) == XN_FLAG_SEP_MULTILINE) {
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48 | mlch = '\n';
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49 | nmindent = 12;
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50 | }
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51 |
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52 | if (nmflags == X509_FLAG_COMPAT)
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53 | nmindent = 16;
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54 |
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55 | if (!(cflag & X509_FLAG_NO_HEADER)) {
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56 | if (BIO_write(bp, "Certificate Request:\n", 21) <= 0)
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57 | goto err;
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58 | if (BIO_write(bp, " Data:\n", 10) <= 0)
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59 | goto err;
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60 | }
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61 | if (!(cflag & X509_FLAG_NO_VERSION)) {
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62 | l = X509_REQ_get_version(x);
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63 | if (l >= 0 && l <= 2) {
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64 | if (BIO_printf(bp, "%8sVersion: %ld (0x%lx)\n", "", l + 1, (unsigned long)l) <= 0)
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65 | goto err;
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66 | } else {
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67 | if (BIO_printf(bp, "%8sVersion: Unknown (%ld)\n", "", l) <= 0)
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68 | goto err;
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69 | }
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70 | }
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71 | if (!(cflag & X509_FLAG_NO_SUBJECT)) {
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72 | if (BIO_printf(bp, " Subject:%c", mlch) <= 0)
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73 | goto err;
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74 | if (X509_NAME_print_ex(bp, X509_REQ_get_subject_name(x),
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75 | nmindent, nmflags) < 0)
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76 | goto err;
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77 | if (BIO_write(bp, "\n", 1) <= 0)
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78 | goto err;
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79 | }
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80 | if (!(cflag & X509_FLAG_NO_PUBKEY)) {
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81 | X509_PUBKEY *xpkey;
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82 | ASN1_OBJECT *koid;
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83 | if (BIO_write(bp, " Subject Public Key Info:\n", 33) <= 0)
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84 | goto err;
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85 | if (BIO_printf(bp, "%12sPublic Key Algorithm: ", "") <= 0)
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86 | goto err;
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87 | xpkey = X509_REQ_get_X509_PUBKEY(x);
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88 | X509_PUBKEY_get0_param(&koid, NULL, NULL, NULL, xpkey);
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89 | if (i2a_ASN1_OBJECT(bp, koid) <= 0)
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90 | goto err;
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91 | if (BIO_puts(bp, "\n") <= 0)
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92 | goto err;
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93 |
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94 | pkey = X509_REQ_get0_pubkey(x);
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95 | if (pkey == NULL) {
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96 | BIO_printf(bp, "%12sUnable to load Public Key\n", "");
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97 | ERR_print_errors(bp);
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98 | } else {
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99 | EVP_PKEY_print_public(bp, pkey, 16, NULL);
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100 | }
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101 | }
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102 |
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103 | if (!(cflag & X509_FLAG_NO_ATTRIBUTES)) {
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104 | /* may not be */
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105 | if (BIO_printf(bp, "%8sAttributes:\n", "") <= 0)
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106 | goto err;
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107 |
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108 | if (X509_REQ_get_attr_count(x) == 0) {
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109 | if (BIO_printf(bp, "%12sa0:00\n", "") <= 0)
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110 | goto err;
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111 | } else {
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112 | for (i = 0; i < X509_REQ_get_attr_count(x); i++) {
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113 | ASN1_TYPE *at;
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114 | X509_ATTRIBUTE *a;
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115 | ASN1_BIT_STRING *bs = NULL;
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116 | ASN1_OBJECT *aobj;
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117 | int j, type = 0, count = 1, ii = 0;
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118 |
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119 | a = X509_REQ_get_attr(x, i);
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120 | aobj = X509_ATTRIBUTE_get0_object(a);
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121 | if (X509_REQ_extension_nid(OBJ_obj2nid(aobj)))
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122 | continue;
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123 | if (BIO_printf(bp, "%12s", "") <= 0)
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124 | goto err;
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125 | if ((j = i2a_ASN1_OBJECT(bp, aobj)) > 0) {
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126 | ii = 0;
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127 | count = X509_ATTRIBUTE_count(a);
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128 | get_next:
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129 | at = X509_ATTRIBUTE_get0_type(a, ii);
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130 | type = at->type;
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131 | bs = at->value.asn1_string;
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132 | }
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133 | for (j = 25 - j; j > 0; j--)
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134 | if (BIO_write(bp, " ", 1) != 1)
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135 | goto err;
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136 | if (BIO_puts(bp, ":") <= 0)
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137 | goto err;
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138 | if ((type == V_ASN1_PRINTABLESTRING) ||
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139 | (type == V_ASN1_T61STRING) ||
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140 | (type == V_ASN1_UTF8STRING) ||
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141 | (type == V_ASN1_IA5STRING)) {
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142 | if (BIO_write(bp, (char *)bs->data, bs->length)
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143 | != bs->length)
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144 | goto err;
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145 | BIO_puts(bp, "\n");
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146 | } else {
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147 | BIO_puts(bp, "unable to print attribute\n");
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148 | }
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149 | if (++ii < count)
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150 | goto get_next;
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151 | }
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152 | }
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153 | }
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154 | if (!(cflag & X509_FLAG_NO_EXTENSIONS)) {
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155 | exts = X509_REQ_get_extensions(x);
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156 | if (exts) {
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157 | BIO_printf(bp, "%8sRequested Extensions:\n", "");
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158 | for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
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159 | ASN1_OBJECT *obj;
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160 | X509_EXTENSION *ex;
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161 | int critical;
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162 | ex = sk_X509_EXTENSION_value(exts, i);
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163 | if (BIO_printf(bp, "%12s", "") <= 0)
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164 | goto err;
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165 | obj = X509_EXTENSION_get_object(ex);
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166 | i2a_ASN1_OBJECT(bp, obj);
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167 | critical = X509_EXTENSION_get_critical(ex);
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168 | if (BIO_printf(bp, ": %s\n", critical ? "critical" : "") <= 0)
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169 | goto err;
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170 | if (!X509V3_EXT_print(bp, ex, cflag, 16)) {
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171 | BIO_printf(bp, "%16s", "");
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172 | ASN1_STRING_print(bp, X509_EXTENSION_get_data(ex));
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173 | }
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174 | if (BIO_write(bp, "\n", 1) <= 0)
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175 | goto err;
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176 | }
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177 | sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
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178 | }
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179 | }
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180 |
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181 | if (!(cflag & X509_FLAG_NO_SIGDUMP)) {
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182 | const X509_ALGOR *sig_alg;
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183 | const ASN1_BIT_STRING *sig;
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184 | X509_REQ_get0_signature(x, &sig, &sig_alg);
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185 | if (!X509_signature_print(bp, sig_alg, sig))
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186 | goto err;
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187 | }
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188 |
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189 | return (1);
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190 | err:
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191 | X509err(X509_F_X509_REQ_PRINT_EX, ERR_R_BUF_LIB);
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192 | return (0);
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193 | }
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194 |
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195 | int X509_REQ_print(BIO *bp, X509_REQ *x)
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196 | {
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197 | return X509_REQ_print_ex(bp, x, XN_FLAG_COMPAT, X509_FLAG_COMPAT);
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198 | }
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