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1 /*! \file ssl/ssl_cert.c */ |
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2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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3 * All rights reserved. |
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4 * |
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5 * This package is an SSL implementation written |
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6 * by Eric Young (eay@cryptsoft.com). |
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7 * The implementation was written so as to conform with Netscapes SSL. |
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8 * |
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9 * This library is free for commercial and non-commercial use as long as |
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10 * the following conditions are aheared to. The following conditions |
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11 * apply to all code found in this distribution, be it the RC4, RSA, |
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12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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13 * included with this distribution is covered by the same copyright terms |
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14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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15 * |
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16 * Copyright remains Eric Young's, and as such any Copyright notices in |
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17 * the code are not to be removed. |
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18 * If this package is used in a product, Eric Young should be given attribution |
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19 * as the author of the parts of the library used. |
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20 * This can be in the form of a textual message at program startup or |
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21 * in documentation (online or textual) provided with the package. |
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22 * |
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23 * Redistribution and use in source and binary forms, with or without |
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24 * modification, are permitted provided that the following conditions |
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25 * are met: |
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26 * 1. Redistributions of source code must retain the copyright |
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27 * notice, this list of conditions and the following disclaimer. |
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28 * 2. Redistributions in binary form must reproduce the above copyright |
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29 * notice, this list of conditions and the following disclaimer in the |
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30 * documentation and/or other materials provided with the distribution. |
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31 * 3. All advertising materials mentioning features or use of this software |
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32 * must display the following acknowledgement: |
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33 * "This product includes cryptographic software written by |
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34 * Eric Young (eay@cryptsoft.com)" |
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35 * The word 'cryptographic' can be left out if the rouines from the library |
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36 * being used are not cryptographic related :-). |
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37 * 4. If you include any Windows specific code (or a derivative thereof) from |
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38 * the apps directory (application code) you must include an acknowledgement: |
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39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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40 * |
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41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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51 * SUCH DAMAGE. |
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52 * |
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53 * The licence and distribution terms for any publically available version or |
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54 * derivative of this code cannot be changed. i.e. this code cannot simply be |
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55 * copied and put under another distribution licence |
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56 * [including the GNU Public Licence.] |
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57 */ |
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58 /* ==================================================================== |
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59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. |
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60 * |
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61 * Redistribution and use in source and binary forms, with or without |
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62 * modification, are permitted provided that the following conditions |
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63 * are met: |
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64 * |
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65 * 1. Redistributions of source code must retain the above copyright |
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66 * notice, this list of conditions and the following disclaimer. |
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67 * |
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68 * 2. Redistributions in binary form must reproduce the above copyright |
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69 * notice, this list of conditions and the following disclaimer in |
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70 * the documentation and/or other materials provided with the |
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71 * distribution. |
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72 * |
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73 * 3. All advertising materials mentioning features or use of this |
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74 * software must display the following acknowledgment: |
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75 * "This product includes software developed by the OpenSSL Project |
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76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" |
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77 * |
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78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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79 * endorse or promote products derived from this software without |
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80 * prior written permission. For written permission, please contact |
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81 * openssl-core@openssl.org. |
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82 * |
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83 * 5. Products derived from this software may not be called "OpenSSL" |
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84 * nor may "OpenSSL" appear in their names without prior written |
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85 * permission of the OpenSSL Project. |
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86 * |
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87 * 6. Redistributions of any form whatsoever must retain the following |
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88 * acknowledgment: |
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89 * "This product includes software developed by the OpenSSL Project |
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90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" |
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91 * |
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92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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103 * OF THE POSSIBILITY OF SUCH DAMAGE. |
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104 * ==================================================================== |
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105 * |
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106 * This product includes cryptographic software written by Eric Young |
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107 * (eay@cryptsoft.com). This product includes software written by Tim |
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108 * Hudson (tjh@cryptsoft.com). |
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109 * |
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110 */ |
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111 /* ==================================================================== |
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112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. |
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113 * ECC cipher suite support in OpenSSL originally developed by |
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114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. |
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115 */ |
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116 /* |
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117 © Portions copyright (c) 2006 Nokia Corporation. All rights reserved. |
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118 */ |
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119 |
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120 #include <stdio.h> |
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121 |
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122 #include "e_os.h" |
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123 #ifndef NO_SYS_TYPES_H |
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124 # include <sys/types.h> |
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125 #endif |
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126 |
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127 #include "o_dir.h" |
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128 #include <openssl/objects.h> |
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129 #include <openssl/bio.h> |
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130 #include <openssl/pem.h> |
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131 #include <openssl/x509v3.h> |
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132 #ifndef OPENSSL_NO_DH |
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133 #include <openssl/dh.h> |
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134 #endif |
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135 #include <openssl/bn.h> |
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136 #include "ssl_locl.h" |
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137 |
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138 #ifdef EMULATOR |
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139 |
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140 GET_STATIC_VAR_FROM_TLS(ssl_x509_store_ctx_idx,ssl_cert,volatile int) |
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141 |
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142 #define ssl_x509_store_ctx_idx (*GET_WSD_VAR_NAME(ssl_x509_store_ctx_idx,ssl_cert,s)()) |
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143 |
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144 #endif |
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145 |
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146 |
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147 EXPORT_C int SSL_get_ex_data_X509_STORE_CTX_idx(void) |
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148 { |
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149 #ifndef EMULATOR |
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150 static volatile int ssl_x509_store_ctx_idx= -1; |
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151 #endif |
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152 int got_write_lock = 0; |
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153 |
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154 CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX); |
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155 |
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156 |
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157 if (ssl_x509_store_ctx_idx < 0) |
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158 { |
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159 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
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160 CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX); |
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161 got_write_lock = 1; |
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162 |
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163 if (ssl_x509_store_ctx_idx < 0) |
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164 { |
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165 ssl_x509_store_ctx_idx=X509_STORE_CTX_get_ex_new_index( |
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166 0,"SSL for verify callback",NULL,NULL,NULL); |
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167 } |
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168 } |
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169 |
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170 if (got_write_lock) |
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171 CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX); |
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172 else |
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173 CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX); |
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174 |
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175 return ssl_x509_store_ctx_idx; |
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176 } |
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177 |
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178 CERT *ssl_cert_new(void) |
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179 { |
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180 CERT *ret; |
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181 |
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182 ret=(CERT *)OPENSSL_malloc(sizeof(CERT)); |
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183 if (ret == NULL) |
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184 { |
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185 SSLerr(SSL_F_SSL_CERT_NEW,ERR_R_MALLOC_FAILURE); |
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186 return(NULL); |
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187 } |
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188 memset(ret,0,sizeof(CERT)); |
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189 |
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190 ret->key= &(ret->pkeys[SSL_PKEY_RSA_ENC]); |
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191 ret->references=1; |
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192 |
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193 return(ret); |
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194 } |
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195 |
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196 CERT *ssl_cert_dup(CERT *cert) |
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197 { |
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198 CERT *ret; |
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199 int i; |
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200 |
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201 ret = (CERT *)OPENSSL_malloc(sizeof(CERT)); |
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202 if (ret == NULL) |
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203 { |
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204 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_MALLOC_FAILURE); |
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205 return(NULL); |
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206 } |
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207 |
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208 memset(ret, 0, sizeof(CERT)); |
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209 |
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210 ret->key = &ret->pkeys[cert->key - &cert->pkeys[0]]; |
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211 /* or ret->key = ret->pkeys + (cert->key - cert->pkeys), |
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212 * if you find that more readable */ |
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213 |
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214 ret->valid = cert->valid; |
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215 ret->mask = cert->mask; |
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216 ret->export_mask = cert->export_mask; |
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217 |
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218 #ifndef OPENSSL_NO_RSA |
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219 if (cert->rsa_tmp != NULL) |
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220 { |
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221 RSA_up_ref(cert->rsa_tmp); |
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222 ret->rsa_tmp = cert->rsa_tmp; |
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223 } |
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224 ret->rsa_tmp_cb = cert->rsa_tmp_cb; |
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225 #endif |
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226 |
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227 #ifndef OPENSSL_NO_DH |
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228 if (cert->dh_tmp != NULL) |
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229 { |
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230 ret->dh_tmp = DHparams_dup(cert->dh_tmp); |
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231 if (ret->dh_tmp == NULL) |
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232 { |
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233 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_DH_LIB); |
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234 goto err; |
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235 } |
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236 if (cert->dh_tmp->priv_key) |
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237 { |
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238 BIGNUM *b = BN_dup(cert->dh_tmp->priv_key); |
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239 if (!b) |
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240 { |
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241 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
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242 goto err; |
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243 } |
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244 ret->dh_tmp->priv_key = b; |
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245 } |
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246 if (cert->dh_tmp->pub_key) |
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247 { |
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248 BIGNUM *b = BN_dup(cert->dh_tmp->pub_key); |
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249 if (!b) |
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250 { |
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251 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_BN_LIB); |
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252 goto err; |
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253 } |
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254 ret->dh_tmp->pub_key = b; |
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255 } |
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256 } |
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257 ret->dh_tmp_cb = cert->dh_tmp_cb; |
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258 #endif |
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259 |
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260 #ifndef OPENSSL_NO_ECDH |
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261 if (cert->ecdh_tmp) |
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262 { |
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263 ret->ecdh_tmp = EC_KEY_dup(cert->ecdh_tmp); |
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264 if (ret->ecdh_tmp == NULL) |
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265 { |
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266 SSLerr(SSL_F_SSL_CERT_DUP, ERR_R_EC_LIB); |
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267 goto err; |
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268 } |
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269 } |
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270 ret->ecdh_tmp_cb = cert->ecdh_tmp_cb; |
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271 #endif |
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272 |
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273 for (i = 0; i < SSL_PKEY_NUM; i++) |
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274 { |
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275 if (cert->pkeys[i].x509 != NULL) |
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276 { |
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277 ret->pkeys[i].x509 = cert->pkeys[i].x509; |
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278 CRYPTO_add(&ret->pkeys[i].x509->references, 1, |
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279 CRYPTO_LOCK_X509); |
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280 } |
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281 |
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282 if (cert->pkeys[i].privatekey != NULL) |
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283 { |
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284 ret->pkeys[i].privatekey = cert->pkeys[i].privatekey; |
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285 CRYPTO_add(&ret->pkeys[i].privatekey->references, 1, |
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286 CRYPTO_LOCK_EVP_PKEY); |
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287 |
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288 switch(i) |
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289 { |
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290 /* If there was anything special to do for |
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291 * certain types of keys, we'd do it here. |
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292 * (Nothing at the moment, I think.) */ |
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293 |
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294 case SSL_PKEY_RSA_ENC: |
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295 case SSL_PKEY_RSA_SIGN: |
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296 /* We have an RSA key. */ |
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297 break; |
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298 |
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299 case SSL_PKEY_DSA_SIGN: |
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300 /* We have a DSA key. */ |
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301 break; |
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302 |
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303 case SSL_PKEY_DH_RSA: |
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304 case SSL_PKEY_DH_DSA: |
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305 /* We have a DH key. */ |
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306 break; |
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307 |
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308 case SSL_PKEY_ECC: |
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309 /* We have an ECC key */ |
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310 break; |
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311 |
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312 default: |
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313 /* Can't happen. */ |
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314 SSLerr(SSL_F_SSL_CERT_DUP, SSL_R_LIBRARY_BUG); |
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315 } |
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316 } |
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317 } |
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318 |
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319 /* ret->extra_certs *should* exist, but currently the own certificate |
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320 * chain is held inside SSL_CTX */ |
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321 |
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322 ret->references=1; |
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323 |
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324 return(ret); |
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325 |
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326 #if !defined(OPENSSL_NO_DH) || !defined(OPENSSL_NO_ECDH) |
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327 err: |
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328 #endif |
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329 #ifndef OPENSSL_NO_RSA |
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330 if (ret->rsa_tmp != NULL) |
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331 RSA_free(ret->rsa_tmp); |
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332 #endif |
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333 #ifndef OPENSSL_NO_DH |
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334 if (ret->dh_tmp != NULL) |
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335 DH_free(ret->dh_tmp); |
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336 #endif |
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337 #ifndef OPENSSL_NO_ECDH |
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338 if (ret->ecdh_tmp != NULL) |
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339 EC_KEY_free(ret->ecdh_tmp); |
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340 #endif |
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341 |
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342 for (i = 0; i < SSL_PKEY_NUM; i++) |
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343 { |
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344 if (ret->pkeys[i].x509 != NULL) |
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345 X509_free(ret->pkeys[i].x509); |
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346 if (ret->pkeys[i].privatekey != NULL) |
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347 EVP_PKEY_free(ret->pkeys[i].privatekey); |
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348 } |
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349 |
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350 return NULL; |
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351 } |
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352 |
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353 |
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354 void ssl_cert_free(CERT *c) |
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355 { |
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356 int i; |
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357 |
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358 if(c == NULL) |
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359 return; |
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360 |
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361 i=CRYPTO_add(&c->references,-1,CRYPTO_LOCK_SSL_CERT); |
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362 #ifdef REF_PRINT |
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363 REF_PRINT("CERT",c); |
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364 #endif |
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365 if (i > 0) return; |
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366 #ifdef REF_CHECK |
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367 if (i < 0) |
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368 { |
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369 fprintf(stderr,"ssl_cert_free, bad reference count\n"); |
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370 abort(); /* ok */ |
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371 } |
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372 #endif |
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373 |
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374 #ifndef OPENSSL_NO_RSA |
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375 if (c->rsa_tmp) RSA_free(c->rsa_tmp); |
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376 #endif |
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377 #ifndef OPENSSL_NO_DH |
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378 if (c->dh_tmp) DH_free(c->dh_tmp); |
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379 #endif |
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380 #ifndef OPENSSL_NO_ECDH |
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381 if (c->ecdh_tmp) EC_KEY_free(c->ecdh_tmp); |
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382 #endif |
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383 |
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384 for (i=0; i<SSL_PKEY_NUM; i++) |
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385 { |
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386 if (c->pkeys[i].x509 != NULL) |
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387 X509_free(c->pkeys[i].x509); |
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388 if (c->pkeys[i].privatekey != NULL) |
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389 EVP_PKEY_free(c->pkeys[i].privatekey); |
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390 #if 0 |
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391 if (c->pkeys[i].publickey != NULL) |
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392 EVP_PKEY_free(c->pkeys[i].publickey); |
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393 #endif |
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394 } |
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395 OPENSSL_free(c); |
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396 } |
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397 |
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398 int ssl_cert_inst(CERT **o) |
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399 { |
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400 /* Create a CERT if there isn't already one |
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401 * (which cannot really happen, as it is initially created in |
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402 * SSL_CTX_new; but the earlier code usually allows for that one |
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403 * being non-existant, so we follow that behaviour, as it might |
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404 * turn out that there actually is a reason for it -- but I'm |
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405 * not sure that *all* of the existing code could cope with |
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406 * s->cert being NULL, otherwise we could do without the |
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407 * initialization in SSL_CTX_new). |
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408 */ |
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409 |
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410 if (o == NULL) |
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411 { |
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412 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_PASSED_NULL_PARAMETER); |
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413 return(0); |
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414 } |
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415 if (*o == NULL) |
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416 { |
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417 if ((*o = ssl_cert_new()) == NULL) |
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418 { |
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419 SSLerr(SSL_F_SSL_CERT_INST, ERR_R_MALLOC_FAILURE); |
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420 return(0); |
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421 } |
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422 } |
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423 return(1); |
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424 } |
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425 |
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426 |
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427 SESS_CERT *ssl_sess_cert_new(void) |
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428 { |
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429 SESS_CERT *ret; |
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430 |
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431 ret = OPENSSL_malloc(sizeof *ret); |
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432 if (ret == NULL) |
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433 { |
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434 SSLerr(SSL_F_SSL_SESS_CERT_NEW, ERR_R_MALLOC_FAILURE); |
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435 return NULL; |
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436 } |
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437 |
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438 memset(ret, 0 ,sizeof *ret); |
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439 ret->peer_key = &(ret->peer_pkeys[SSL_PKEY_RSA_ENC]); |
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440 ret->references = 1; |
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441 |
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442 return ret; |
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443 } |
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444 |
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445 void ssl_sess_cert_free(SESS_CERT *sc) |
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446 { |
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447 int i; |
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448 |
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449 if (sc == NULL) |
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450 return; |
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451 |
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452 i = CRYPTO_add(&sc->references, -1, CRYPTO_LOCK_SSL_SESS_CERT); |
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453 #ifdef REF_PRINT |
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454 REF_PRINT("SESS_CERT", sc); |
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455 #endif |
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456 if (i > 0) |
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457 return; |
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458 #ifdef REF_CHECK |
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459 if (i < 0) |
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460 { |
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461 fprintf(stderr,"ssl_sess_cert_free, bad reference count\n"); |
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462 abort(); /* ok */ |
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463 } |
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464 #endif |
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465 |
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466 /* i == 0 */ |
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467 if (sc->cert_chain != NULL) |
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468 sk_X509_pop_free(sc->cert_chain, X509_free); |
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469 for (i = 0; i < SSL_PKEY_NUM; i++) |
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470 { |
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471 if (sc->peer_pkeys[i].x509 != NULL) |
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472 X509_free(sc->peer_pkeys[i].x509); |
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473 #if 0 /* We don't have the peer's private key. These lines are just |
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474 * here as a reminder that we're still using a not-quite-appropriate |
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475 * data structure. */ |
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476 if (sc->peer_pkeys[i].privatekey != NULL) |
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477 EVP_PKEY_free(sc->peer_pkeys[i].privatekey); |
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478 #endif |
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479 } |
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480 |
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481 #ifndef OPENSSL_NO_RSA |
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482 if (sc->peer_rsa_tmp != NULL) |
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483 RSA_free(sc->peer_rsa_tmp); |
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484 #endif |
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485 #ifndef OPENSSL_NO_DH |
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486 if (sc->peer_dh_tmp != NULL) |
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487 DH_free(sc->peer_dh_tmp); |
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488 #endif |
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489 #ifndef OPENSSL_NO_ECDH |
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490 if (sc->peer_ecdh_tmp != NULL) |
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491 EC_KEY_free(sc->peer_ecdh_tmp); |
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492 #endif |
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493 |
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494 OPENSSL_free(sc); |
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495 } |
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496 |
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497 int ssl_set_peer_cert_type(SESS_CERT *sc,int type) |
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498 { |
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499 sc->peer_cert_type = type; |
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500 return(1); |
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501 } |
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502 |
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503 int ssl_verify_cert_chain(SSL *s,STACK_OF(X509) *sk) |
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504 { |
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505 X509 *x; |
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506 int i; |
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507 X509_STORE_CTX ctx; |
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508 |
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509 if ((sk == NULL) || (sk_X509_num(sk) == 0)) |
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510 return(0); |
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511 |
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512 x=sk_X509_value(sk,0); |
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513 if(!X509_STORE_CTX_init(&ctx,s->ctx->cert_store,x,sk)) |
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514 { |
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515 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,ERR_R_X509_LIB); |
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516 return(0); |
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517 } |
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518 if (s->param) |
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519 X509_VERIFY_PARAM_inherit(X509_STORE_CTX_get0_param(&ctx), |
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520 s->param); |
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521 #if 0 |
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522 if (SSL_get_verify_depth(s) >= 0) |
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523 X509_STORE_CTX_set_depth(&ctx, SSL_get_verify_depth(s)); |
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524 #endif |
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525 X509_STORE_CTX_set_ex_data(&ctx,SSL_get_ex_data_X509_STORE_CTX_idx(),s); |
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526 |
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527 /* We need to inherit the verify parameters. These can be determined by |
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528 * the context: if its a server it will verify SSL client certificates |
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529 * or vice versa. |
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530 */ |
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531 |
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532 X509_STORE_CTX_set_default(&ctx, |
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533 s->server ? "ssl_client" : "ssl_server"); |
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534 |
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535 if (s->verify_callback) |
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536 X509_STORE_CTX_set_verify_cb(&ctx, s->verify_callback); |
|
537 |
|
538 if (s->ctx->app_verify_callback != NULL) |
|
539 #if 1 /* new with OpenSSL 0.9.7 */ |
|
540 i=s->ctx->app_verify_callback(&ctx, s->ctx->app_verify_arg); |
|
541 #else |
|
542 i=s->ctx->app_verify_callback(&ctx); /* should pass app_verify_arg */ |
|
543 #endif |
|
544 else |
|
545 { |
|
546 #ifndef OPENSSL_NO_X509_VERIFY |
|
547 i=X509_verify_cert(&ctx); |
|
548 #else |
|
549 i=0; |
|
550 ctx.error=X509_V_ERR_APPLICATION_VERIFICATION; |
|
551 SSLerr(SSL_F_SSL_VERIFY_CERT_CHAIN,SSL_R_NO_VERIFY_CALLBACK); |
|
552 #endif |
|
553 } |
|
554 |
|
555 s->verify_result=ctx.error; |
|
556 X509_STORE_CTX_cleanup(&ctx); |
|
557 |
|
558 return(i); |
|
559 } |
|
560 |
|
561 static void set_client_CA_list(STACK_OF(X509_NAME) **ca_list,STACK_OF(X509_NAME) *name_list) |
|
562 { |
|
563 if (*ca_list != NULL) |
|
564 sk_X509_NAME_pop_free(*ca_list,X509_NAME_free); |
|
565 |
|
566 *ca_list=name_list; |
|
567 } |
|
568 |
|
569 EXPORT_C STACK_OF(X509_NAME) *SSL_dup_CA_list(STACK_OF(X509_NAME) *sk) |
|
570 { |
|
571 int i; |
|
572 STACK_OF(X509_NAME) *ret; |
|
573 X509_NAME *name; |
|
574 |
|
575 ret=sk_X509_NAME_new_null(); |
|
576 for (i=0; i<sk_X509_NAME_num(sk); i++) |
|
577 { |
|
578 name=X509_NAME_dup(sk_X509_NAME_value(sk,i)); |
|
579 if ((name == NULL) || !sk_X509_NAME_push(ret,name)) |
|
580 { |
|
581 sk_X509_NAME_pop_free(ret,X509_NAME_free); |
|
582 return(NULL); |
|
583 } |
|
584 } |
|
585 return(ret); |
|
586 } |
|
587 |
|
588 EXPORT_C void SSL_set_client_CA_list(SSL *s,STACK_OF(X509_NAME) *name_list) |
|
589 { |
|
590 set_client_CA_list(&(s->client_CA),name_list); |
|
591 } |
|
592 |
|
593 EXPORT_C void SSL_CTX_set_client_CA_list(SSL_CTX *ctx,STACK_OF(X509_NAME) *name_list) |
|
594 { |
|
595 set_client_CA_list(&(ctx->client_CA),name_list); |
|
596 } |
|
597 |
|
598 EXPORT_C STACK_OF(X509_NAME) *SSL_CTX_get_client_CA_list(const SSL_CTX *ctx) |
|
599 { |
|
600 return(ctx->client_CA); |
|
601 } |
|
602 |
|
603 EXPORT_C STACK_OF(X509_NAME) *SSL_get_client_CA_list(const SSL *s) |
|
604 { |
|
605 if (s->type == SSL_ST_CONNECT) |
|
606 { /* we are in the client */ |
|
607 if (((s->version>>8) == SSL3_VERSION_MAJOR) && |
|
608 (s->s3 != NULL)) |
|
609 return(s->s3->tmp.ca_names); |
|
610 else |
|
611 return(NULL); |
|
612 } |
|
613 else |
|
614 { |
|
615 if (s->client_CA != NULL) |
|
616 return(s->client_CA); |
|
617 else |
|
618 return(s->ctx->client_CA); |
|
619 } |
|
620 } |
|
621 |
|
622 static int add_client_CA(STACK_OF(X509_NAME) **sk,X509 *x) |
|
623 { |
|
624 X509_NAME *name; |
|
625 |
|
626 if (x == NULL) return(0); |
|
627 if ((*sk == NULL) && ((*sk=sk_X509_NAME_new_null()) == NULL)) |
|
628 return(0); |
|
629 |
|
630 if ((name=X509_NAME_dup(X509_get_subject_name(x))) == NULL) |
|
631 return(0); |
|
632 |
|
633 if (!sk_X509_NAME_push(*sk,name)) |
|
634 { |
|
635 X509_NAME_free(name); |
|
636 return(0); |
|
637 } |
|
638 return(1); |
|
639 } |
|
640 |
|
641 EXPORT_C int SSL_add_client_CA(SSL *ssl,X509 *x) |
|
642 { |
|
643 return(add_client_CA(&(ssl->client_CA),x)); |
|
644 } |
|
645 |
|
646 EXPORT_C int SSL_CTX_add_client_CA(SSL_CTX *ctx,X509 *x) |
|
647 { |
|
648 return(add_client_CA(&(ctx->client_CA),x)); |
|
649 } |
|
650 |
|
651 static int xname_cmp(const X509_NAME * const *a, const X509_NAME * const *b) |
|
652 { |
|
653 return(X509_NAME_cmp(*a,*b)); |
|
654 } |
|
655 |
|
656 #ifndef OPENSSL_NO_STDIO |
|
657 /*! |
|
658 * Load CA certs from a file into a ::STACK. Note that it is somewhat misnamed; |
|
659 * it doesn't really have anything to do with clients (except that a common use |
|
660 * for a stack of CAs is to send it to the client). Actually, it doesn't have |
|
661 * much to do with CAs, either, since it will load any old cert. |
|
662 * \param file the file containing one or more certs. |
|
663 * \return a ::STACK containing the certs. |
|
664 */ |
|
665 EXPORT_C STACK_OF(X509_NAME) *SSL_load_client_CA_file(const char *file) |
|
666 { |
|
667 BIO *in; |
|
668 X509 *x=NULL; |
|
669 X509_NAME *xn=NULL; |
|
670 STACK_OF(X509_NAME) *ret = NULL,*sk; |
|
671 |
|
672 sk=sk_X509_NAME_new(xname_cmp); |
|
673 |
|
674 in=BIO_new(BIO_s_file_internal()); |
|
675 |
|
676 if ((sk == NULL) || (in == NULL)) |
|
677 { |
|
678 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); |
|
679 goto err; |
|
680 } |
|
681 |
|
682 if (!BIO_read_filename(in,file)) |
|
683 goto err; |
|
684 |
|
685 for (;;) |
|
686 { |
|
687 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
|
688 break; |
|
689 if (ret == NULL) |
|
690 { |
|
691 ret = sk_X509_NAME_new_null(); |
|
692 if (ret == NULL) |
|
693 { |
|
694 SSLerr(SSL_F_SSL_LOAD_CLIENT_CA_FILE,ERR_R_MALLOC_FAILURE); |
|
695 goto err; |
|
696 } |
|
697 } |
|
698 if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
|
699 /* check for duplicates */ |
|
700 xn=X509_NAME_dup(xn); |
|
701 if (xn == NULL) goto err; |
|
702 if (sk_X509_NAME_find(sk,xn) >= 0) |
|
703 X509_NAME_free(xn); |
|
704 else |
|
705 { |
|
706 sk_X509_NAME_push(sk,xn); |
|
707 sk_X509_NAME_push(ret,xn); |
|
708 } |
|
709 } |
|
710 |
|
711 if (0) |
|
712 { |
|
713 err: |
|
714 if (ret != NULL) sk_X509_NAME_pop_free(ret,X509_NAME_free); |
|
715 ret=NULL; |
|
716 } |
|
717 if (sk != NULL) sk_X509_NAME_free(sk); |
|
718 if (in != NULL) BIO_free(in); |
|
719 if (x != NULL) X509_free(x); |
|
720 if (ret != NULL) |
|
721 ERR_clear_error(); |
|
722 return(ret); |
|
723 } |
|
724 #endif |
|
725 |
|
726 /*! |
|
727 * Add a file of certs to a stack. |
|
728 * \param stack the stack to add to. |
|
729 * \param file the file to add from. All certs in this file that are not |
|
730 * already in the stack will be added. |
|
731 * \return 1 for success, 0 for failure. Note that in the case of failure some |
|
732 * certs may have been added to \c stack. |
|
733 */ |
|
734 |
|
735 EXPORT_C int SSL_add_file_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
|
736 const char *file) |
|
737 { |
|
738 BIO *in; |
|
739 X509 *x=NULL; |
|
740 X509_NAME *xn=NULL; |
|
741 int ret=1; |
|
742 int (*oldcmp)(const X509_NAME * const *a, const X509_NAME * const *b); |
|
743 |
|
744 oldcmp=sk_X509_NAME_set_cmp_func(stack,xname_cmp); |
|
745 |
|
746 in=BIO_new(BIO_s_file_internal()); |
|
747 |
|
748 if (in == NULL) |
|
749 { |
|
750 SSLerr(SSL_F_SSL_ADD_FILE_CERT_SUBJECTS_TO_STACK,ERR_R_MALLOC_FAILURE); |
|
751 goto err; |
|
752 } |
|
753 |
|
754 if (!BIO_read_filename(in,file)) |
|
755 goto err; |
|
756 |
|
757 for (;;) |
|
758 { |
|
759 if (PEM_read_bio_X509(in,&x,NULL,NULL) == NULL) |
|
760 break; |
|
761 if ((xn=X509_get_subject_name(x)) == NULL) goto err; |
|
762 xn=X509_NAME_dup(xn); |
|
763 if (xn == NULL) goto err; |
|
764 if (sk_X509_NAME_find(stack,xn) >= 0) |
|
765 X509_NAME_free(xn); |
|
766 else |
|
767 sk_X509_NAME_push(stack,xn); |
|
768 } |
|
769 |
|
770 if (0) |
|
771 { |
|
772 err: |
|
773 ret=0; |
|
774 } |
|
775 if(in != NULL) |
|
776 BIO_free(in); |
|
777 if(x != NULL) |
|
778 X509_free(x); |
|
779 |
|
780 (void)sk_X509_NAME_set_cmp_func(stack,oldcmp); |
|
781 |
|
782 return ret; |
|
783 } |
|
784 |
|
785 /*! |
|
786 * Add a directory of certs to a stack. |
|
787 * \param stack the stack to append to. |
|
788 * \param dir the directory to append from. All files in this directory will be |
|
789 * examined as potential certs. Any that are acceptable to |
|
790 * SSL_add_dir_cert_subjects_to_stack() that are not already in the stack will be |
|
791 * included. |
|
792 * \return 1 for success, 0 for failure. Note that in the case of failure some |
|
793 * certs may have been added to \c stack. |
|
794 */ |
|
795 |
|
796 EXPORT_C int SSL_add_dir_cert_subjects_to_stack(STACK_OF(X509_NAME) *stack, |
|
797 const char *dir) |
|
798 { |
|
799 OPENSSL_DIR_CTX *d = NULL; |
|
800 const char *filename; |
|
801 int ret = 0; |
|
802 |
|
803 CRYPTO_w_lock(CRYPTO_LOCK_READDIR); |
|
804 |
|
805 /* Note that a side effect is that the CAs will be sorted by name */ |
|
806 |
|
807 while((filename = OPENSSL_DIR_read(&d, dir))) |
|
808 { |
|
809 char buf[1024]; |
|
810 int r; |
|
811 |
|
812 if(strlen(dir)+strlen(filename)+2 > sizeof buf) |
|
813 { |
|
814 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK,SSL_R_PATH_TOO_LONG); |
|
815 goto err; |
|
816 } |
|
817 |
|
818 #ifdef OPENSSL_SYS_VMS |
|
819 r = BIO_snprintf(buf,sizeof buf,"%s%s",dir,filename); |
|
820 #else |
|
821 r = BIO_snprintf(buf,sizeof buf,"%s/%s",dir,filename); |
|
822 #endif |
|
823 if (r <= 0 || r >= (int)sizeof(buf)) |
|
824 goto err; |
|
825 if(!SSL_add_file_cert_subjects_to_stack(stack,buf)) |
|
826 goto err; |
|
827 } |
|
828 |
|
829 if (errno) |
|
830 { |
|
831 SYSerr(SYS_F_OPENDIR, get_last_sys_error()); |
|
832 ERR_add_error_data(3, "OPENSSL_DIR_read(&ctx, '", dir, "')"); |
|
833 SSLerr(SSL_F_SSL_ADD_DIR_CERT_SUBJECTS_TO_STACK, ERR_R_SYS_LIB); |
|
834 goto err; |
|
835 } |
|
836 |
|
837 ret = 1; |
|
838 |
|
839 err: |
|
840 if (d) OPENSSL_DIR_end(&d); |
|
841 CRYPTO_w_unlock(CRYPTO_LOCK_READDIR); |
|
842 return ret; |
|
843 } |
|
844 |