1 | /***************************************************************************
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2 | * _ _ ____ _
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3 | * Project ___| | | | _ \| |
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4 | * / __| | | | |_) | |
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5 | * | (__| |_| | _ <| |___
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6 | * \___|\___/|_| \_\_____|
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7 | *
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8 | * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 | *
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10 | * This software is licensed as described in the file COPYING, which
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11 | * you should have received as part of this distribution. The terms
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12 | * are also available at https://curl.haxx.se/docs/copyright.html.
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13 | *
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14 | * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 | * copies of the Software, and permit persons to whom the Software is
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16 | * furnished to do so, under the terms of the COPYING file.
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17 | *
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18 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 | * KIND, either express or implied.
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20 | *
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21 | ***************************************************************************/
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22 |
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23 | /*
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24 | * Source file for all CyaSSL-specific code for the TLS/SSL layer. No code
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25 | * but vtls.c should ever call or use these functions.
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26 | *
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27 | */
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28 |
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29 | #include "curl_setup.h"
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30 |
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31 | #ifdef USE_CYASSL
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32 |
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33 | #define WOLFSSL_OPTIONS_IGNORE_SYS
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34 | /* CyaSSL's version.h, which should contain only the version, should come
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35 | before all other CyaSSL includes and be immediately followed by build config
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36 | aka options.h. https://curl.haxx.se/mail/lib-2015-04/0069.html */
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37 | #include <cyassl/version.h>
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38 | #if defined(HAVE_CYASSL_OPTIONS_H) && (LIBCYASSL_VERSION_HEX > 0x03004008)
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39 | #if defined(CYASSL_API) || defined(WOLFSSL_API)
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40 | /* Safety measure. If either is defined some API include was already included
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41 | and that's a problem since options.h hasn't been included yet. */
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42 | #error "CyaSSL API was included before the CyaSSL build options."
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43 | #endif
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44 | #include <cyassl/options.h>
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45 | #endif
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46 |
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47 | /* To determine what functions are available we rely on one or both of:
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48 | - the user's options.h generated by CyaSSL/wolfSSL
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49 | - the symbols detected by curl's configure
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50 | Since they are markedly different from one another, and one or the other may
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51 | not be available, we do some checking below to bring things in sync. */
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52 |
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53 | /* HAVE_ALPN is wolfSSL's build time symbol for enabling ALPN in options.h. */
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54 | #ifndef HAVE_ALPN
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55 | #ifdef HAVE_WOLFSSL_USEALPN
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56 | #define HAVE_ALPN
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57 | #endif
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58 | #endif
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59 |
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60 | /* WOLFSSL_ALLOW_SSLV3 is wolfSSL's build time symbol for enabling SSLv3 in
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61 | options.h, but is only seen in >= 3.6.6 since that's when they started
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62 | disabling SSLv3 by default. */
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63 | #ifndef WOLFSSL_ALLOW_SSLV3
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64 | #if (LIBCYASSL_VERSION_HEX < 0x03006006) || \
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65 | defined(HAVE_WOLFSSLV3_CLIENT_METHOD)
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66 | #define WOLFSSL_ALLOW_SSLV3
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67 | #endif
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68 | #endif
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69 |
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70 | /* HAVE_SUPPORTED_CURVES is wolfSSL's build time symbol for enabling the ECC
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71 | supported curve extension in options.h. Note ECC is enabled separately. */
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72 | #ifndef HAVE_SUPPORTED_CURVES
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73 | #if defined(HAVE_CYASSL_CTX_USESUPPORTEDCURVE) || \
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74 | defined(HAVE_WOLFSSL_CTX_USESUPPORTEDCURVE)
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75 | #define HAVE_SUPPORTED_CURVES
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76 | #endif
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77 | #endif
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78 |
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79 | #ifdef HAVE_LIMITS_H
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80 | #include <limits.h>
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81 | #endif
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82 |
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83 | #include "urldata.h"
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84 | #include "sendf.h"
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85 | #include "inet_pton.h"
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86 | #include "vtls.h"
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87 | #include "parsedate.h"
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88 | #include "connect.h" /* for the connect timeout */
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89 | #include "select.h"
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90 | #include "strcase.h"
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91 | #include "x509asn1.h"
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92 | #include "curl_printf.h"
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93 |
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94 | #include <cyassl/openssl/ssl.h>
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95 | #include <cyassl/ssl.h>
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96 | #ifdef HAVE_CYASSL_ERROR_SSL_H
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97 | #include <cyassl/error-ssl.h>
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98 | #else
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99 | #include <cyassl/error.h>
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100 | #endif
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101 | #include <cyassl/ctaocrypt/random.h>
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102 | #include <cyassl/ctaocrypt/sha256.h>
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103 |
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104 | #include "cyassl.h"
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105 |
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106 | /* The last #include files should be: */
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107 | #include "curl_memory.h"
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108 | #include "memdebug.h"
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109 |
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110 | #if LIBCYASSL_VERSION_HEX < 0x02007002 /* < 2.7.2 */
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111 | #define CYASSL_MAX_ERROR_SZ 80
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112 | #endif
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113 |
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114 | /* KEEP_PEER_CERT is a product of the presence of build time symbol
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115 | OPENSSL_EXTRA without NO_CERTS, depending on the version. KEEP_PEER_CERT is
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116 | in wolfSSL's settings.h, and the latter two are build time symbols in
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117 | options.h. */
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118 | #ifndef KEEP_PEER_CERT
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119 | #if defined(HAVE_CYASSL_GET_PEER_CERTIFICATE) || \
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120 | defined(HAVE_WOLFSSL_GET_PEER_CERTIFICATE) || \
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121 | (defined(OPENSSL_EXTRA) && !defined(NO_CERTS))
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122 | #define KEEP_PEER_CERT
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123 | #endif
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124 | #endif
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125 |
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126 | struct ssl_backend_data {
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127 | SSL_CTX* ctx;
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128 | SSL* handle;
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129 | };
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130 |
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131 | #define BACKEND connssl->backend
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132 |
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133 | static Curl_recv cyassl_recv;
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134 | static Curl_send cyassl_send;
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135 |
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136 |
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137 | static int do_file_type(const char *type)
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138 | {
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139 | if(!type || !type[0])
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140 | return SSL_FILETYPE_PEM;
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141 | if(strcasecompare(type, "PEM"))
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142 | return SSL_FILETYPE_PEM;
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143 | if(strcasecompare(type, "DER"))
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144 | return SSL_FILETYPE_ASN1;
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145 | return -1;
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146 | }
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147 |
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148 | /*
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149 | * This function loads all the client/CA certificates and CRLs. Setup the TLS
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150 | * layer and do all necessary magic.
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151 | */
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152 | static CURLcode
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153 | cyassl_connect_step1(struct connectdata *conn,
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154 | int sockindex)
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155 | {
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156 | char error_buffer[CYASSL_MAX_ERROR_SZ];
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157 | char *ciphers;
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158 | struct Curl_easy *data = conn->data;
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159 | struct ssl_connect_data* connssl = &conn->ssl[sockindex];
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160 | SSL_METHOD* req_method = NULL;
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161 | curl_socket_t sockfd = conn->sock[sockindex];
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162 | #ifdef HAVE_SNI
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163 | bool sni = FALSE;
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164 | #define use_sni(x) sni = (x)
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165 | #else
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166 | #define use_sni(x) Curl_nop_stmt
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167 | #endif
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168 |
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169 | if(connssl->state == ssl_connection_complete)
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170 | return CURLE_OK;
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171 |
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172 | if(SSL_CONN_CONFIG(version_max) != CURL_SSLVERSION_MAX_NONE) {
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173 | failf(data, "CyaSSL does not support to set maximum SSL/TLS version");
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174 | return CURLE_SSL_CONNECT_ERROR;
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175 | }
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176 |
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177 | /* check to see if we've been told to use an explicit SSL/TLS version */
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178 | switch(SSL_CONN_CONFIG(version)) {
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179 | case CURL_SSLVERSION_DEFAULT:
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180 | case CURL_SSLVERSION_TLSv1:
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181 | #if LIBCYASSL_VERSION_HEX >= 0x03003000 /* >= 3.3.0 */
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182 | /* minimum protocol version is set later after the CTX object is created */
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183 | req_method = SSLv23_client_method();
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184 | #else
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185 | infof(data, "CyaSSL <3.3.0 cannot be configured to use TLS 1.0-1.2, "
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186 | "TLS 1.0 is used exclusively\n");
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187 | req_method = TLSv1_client_method();
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188 | #endif
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189 | use_sni(TRUE);
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190 | break;
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191 | case CURL_SSLVERSION_TLSv1_0:
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192 | req_method = TLSv1_client_method();
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193 | use_sni(TRUE);
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194 | break;
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195 | case CURL_SSLVERSION_TLSv1_1:
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196 | req_method = TLSv1_1_client_method();
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197 | use_sni(TRUE);
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198 | break;
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199 | case CURL_SSLVERSION_TLSv1_2:
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200 | req_method = TLSv1_2_client_method();
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201 | use_sni(TRUE);
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202 | break;
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203 | case CURL_SSLVERSION_TLSv1_3:
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204 | failf(data, "CyaSSL: TLS 1.3 is not yet supported");
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205 | return CURLE_SSL_CONNECT_ERROR;
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206 | case CURL_SSLVERSION_SSLv3:
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207 | #ifdef WOLFSSL_ALLOW_SSLV3
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208 | req_method = SSLv3_client_method();
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209 | use_sni(FALSE);
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210 | #else
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211 | failf(data, "CyaSSL does not support SSLv3");
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212 | return CURLE_NOT_BUILT_IN;
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213 | #endif
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214 | break;
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215 | case CURL_SSLVERSION_SSLv2:
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216 | failf(data, "CyaSSL does not support SSLv2");
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217 | return CURLE_SSL_CONNECT_ERROR;
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218 | default:
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219 | failf(data, "Unrecognized parameter passed via CURLOPT_SSLVERSION");
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220 | return CURLE_SSL_CONNECT_ERROR;
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221 | }
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222 |
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223 | if(!req_method) {
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224 | failf(data, "SSL: couldn't create a method!");
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225 | return CURLE_OUT_OF_MEMORY;
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226 | }
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227 |
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228 | if(BACKEND->ctx)
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229 | SSL_CTX_free(BACKEND->ctx);
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230 | BACKEND->ctx = SSL_CTX_new(req_method);
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231 |
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232 | if(!BACKEND->ctx) {
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233 | failf(data, "SSL: couldn't create a context!");
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234 | return CURLE_OUT_OF_MEMORY;
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235 | }
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236 |
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237 | switch(SSL_CONN_CONFIG(version)) {
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238 | case CURL_SSLVERSION_DEFAULT:
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239 | case CURL_SSLVERSION_TLSv1:
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240 | #if LIBCYASSL_VERSION_HEX > 0x03004006 /* > 3.4.6 */
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241 | /* Versions 3.3.0 to 3.4.6 we know the minimum protocol version is whatever
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242 | minimum version of TLS was built in and at least TLS 1.0. For later library
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243 | versions that could change (eg TLS 1.0 built in but defaults to TLS 1.1) so
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244 | we have this short circuit evaluation to find the minimum supported TLS
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245 | version. We use wolfSSL_CTX_SetMinVersion and not CyaSSL_SetMinVersion
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246 | because only the former will work before the user's CTX callback is called.
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247 | */
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248 | if((wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1) != 1) &&
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249 | (wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1_1) != 1) &&
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250 | (wolfSSL_CTX_SetMinVersion(BACKEND->ctx, WOLFSSL_TLSV1_2) != 1)) {
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251 | failf(data, "SSL: couldn't set the minimum protocol version");
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252 | return CURLE_SSL_CONNECT_ERROR;
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253 | }
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254 | #endif
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255 | break;
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256 | }
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257 |
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258 | ciphers = SSL_CONN_CONFIG(cipher_list);
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259 | if(ciphers) {
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260 | if(!SSL_CTX_set_cipher_list(BACKEND->ctx, ciphers)) {
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261 | failf(data, "failed setting cipher list: %s", ciphers);
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262 | return CURLE_SSL_CIPHER;
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263 | }
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264 | infof(data, "Cipher selection: %s\n", ciphers);
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265 | }
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266 |
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267 | #ifndef NO_FILESYSTEM
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268 | /* load trusted cacert */
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269 | if(SSL_CONN_CONFIG(CAfile)) {
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270 | if(1 != SSL_CTX_load_verify_locations(BACKEND->ctx,
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271 | SSL_CONN_CONFIG(CAfile),
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272 | SSL_CONN_CONFIG(CApath))) {
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273 | if(SSL_CONN_CONFIG(verifypeer)) {
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274 | /* Fail if we insist on successfully verifying the server. */
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275 | failf(data, "error setting certificate verify locations:\n"
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276 | " CAfile: %s\n CApath: %s",
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277 | SSL_CONN_CONFIG(CAfile)?
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278 | SSL_CONN_CONFIG(CAfile): "none",
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279 | SSL_CONN_CONFIG(CApath)?
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280 | SSL_CONN_CONFIG(CApath) : "none");
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281 | return CURLE_SSL_CACERT_BADFILE;
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282 | }
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283 | else {
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284 | /* Just continue with a warning if no strict certificate
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285 | verification is required. */
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286 | infof(data, "error setting certificate verify locations,"
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287 | " continuing anyway:\n");
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288 | }
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289 | }
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290 | else {
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291 | /* Everything is fine. */
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292 | infof(data, "successfully set certificate verify locations:\n");
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293 | }
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294 | infof(data,
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295 | " CAfile: %s\n"
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296 | " CApath: %s\n",
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297 | SSL_CONN_CONFIG(CAfile) ? SSL_CONN_CONFIG(CAfile):
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298 | "none",
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299 | SSL_CONN_CONFIG(CApath) ? SSL_CONN_CONFIG(CApath):
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300 | "none");
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301 | }
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302 |
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303 | /* Load the client certificate, and private key */
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304 | if(SSL_SET_OPTION(cert) && SSL_SET_OPTION(key)) {
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305 | int file_type = do_file_type(SSL_SET_OPTION(cert_type));
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306 |
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307 | if(SSL_CTX_use_certificate_file(BACKEND->ctx, SSL_SET_OPTION(cert),
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308 | file_type) != 1) {
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309 | failf(data, "unable to use client certificate (no key or wrong pass"
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310 | " phrase?)");
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311 | return CURLE_SSL_CONNECT_ERROR;
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312 | }
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313 |
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314 | file_type = do_file_type(SSL_SET_OPTION(key_type));
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315 | if(SSL_CTX_use_PrivateKey_file(BACKEND->ctx, SSL_SET_OPTION(key),
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316 | file_type) != 1) {
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317 | failf(data, "unable to set private key");
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318 | return CURLE_SSL_CONNECT_ERROR;
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319 | }
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320 | }
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321 | #endif /* !NO_FILESYSTEM */
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322 |
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323 | /* SSL always tries to verify the peer, this only says whether it should
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324 | * fail to connect if the verification fails, or if it should continue
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325 | * anyway. In the latter case the result of the verification is checked with
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326 | * SSL_get_verify_result() below. */
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327 | SSL_CTX_set_verify(BACKEND->ctx,
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328 | SSL_CONN_CONFIG(verifypeer)?SSL_VERIFY_PEER:
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329 | SSL_VERIFY_NONE,
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330 | NULL);
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331 |
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332 | #ifdef HAVE_SNI
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333 | if(sni) {
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334 | struct in_addr addr4;
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335 | #ifdef ENABLE_IPV6
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336 | struct in6_addr addr6;
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337 | #endif
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338 | const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
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339 | conn->host.name;
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340 | size_t hostname_len = strlen(hostname);
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341 | if((hostname_len < USHRT_MAX) &&
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342 | (0 == Curl_inet_pton(AF_INET, hostname, &addr4)) &&
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343 | #ifdef ENABLE_IPV6
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344 | (0 == Curl_inet_pton(AF_INET6, hostname, &addr6)) &&
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345 | #endif
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346 | (CyaSSL_CTX_UseSNI(BACKEND->ctx, CYASSL_SNI_HOST_NAME, hostname,
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347 | (unsigned short)hostname_len) != 1)) {
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348 | infof(data, "WARNING: failed to configure server name indication (SNI) "
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349 | "TLS extension\n");
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350 | }
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351 | }
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352 | #endif
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353 |
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354 | #ifdef HAVE_SUPPORTED_CURVES
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355 | /* CyaSSL/wolfSSL does not send the supported ECC curves ext automatically:
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356 | https://github.com/wolfSSL/wolfssl/issues/366
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357 | The supported curves below are those also supported by OpenSSL 1.0.2 and
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358 | in the same order. */
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359 | CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x17); /* secp256r1 */
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360 | CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x19); /* secp521r1 */
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361 | CyaSSL_CTX_UseSupportedCurve(BACKEND->ctx, 0x18); /* secp384r1 */
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362 | #endif
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363 |
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364 | /* give application a chance to interfere with SSL set up. */
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365 | if(data->set.ssl.fsslctx) {
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366 | CURLcode result = CURLE_OK;
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367 | result = (*data->set.ssl.fsslctx)(data, BACKEND->ctx,
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368 | data->set.ssl.fsslctxp);
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369 | if(result) {
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370 | failf(data, "error signaled by ssl ctx callback");
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371 | return result;
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372 | }
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373 | }
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374 | #ifdef NO_FILESYSTEM
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375 | else if(SSL_CONN_CONFIG(verifypeer)) {
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376 | failf(data, "SSL: Certificates couldn't be loaded because CyaSSL was built"
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377 | " with \"no filesystem\". Either disable peer verification"
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378 | " (insecure) or if you are building an application with libcurl you"
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379 | " can load certificates via CURLOPT_SSL_CTX_FUNCTION.");
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380 | return CURLE_SSL_CONNECT_ERROR;
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381 | }
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382 | #endif
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383 |
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384 | /* Let's make an SSL structure */
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385 | if(BACKEND->handle)
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386 | SSL_free(BACKEND->handle);
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387 | BACKEND->handle = SSL_new(BACKEND->ctx);
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388 | if(!BACKEND->handle) {
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389 | failf(data, "SSL: couldn't create a context (handle)!");
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390 | return CURLE_OUT_OF_MEMORY;
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391 | }
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392 |
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393 | #ifdef HAVE_ALPN
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394 | if(conn->bits.tls_enable_alpn) {
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395 | char protocols[128];
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396 | *protocols = '\0';
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397 |
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398 | /* wolfSSL's ALPN protocol name list format is a comma separated string of
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399 | protocols in descending order of preference, eg: "h2,http/1.1" */
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400 |
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401 | #ifdef USE_NGHTTP2
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402 | if(data->set.httpversion >= CURL_HTTP_VERSION_2) {
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403 | strcpy(protocols + strlen(protocols), NGHTTP2_PROTO_VERSION_ID ",");
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404 | infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
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405 | }
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406 | #endif
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407 |
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408 | strcpy(protocols + strlen(protocols), ALPN_HTTP_1_1);
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409 | infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
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410 |
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411 | if(wolfSSL_UseALPN(BACKEND->handle, protocols,
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412 | (unsigned)strlen(protocols),
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413 | WOLFSSL_ALPN_CONTINUE_ON_MISMATCH) != SSL_SUCCESS) {
|
---|
414 | failf(data, "SSL: failed setting ALPN protocols");
|
---|
415 | return CURLE_SSL_CONNECT_ERROR;
|
---|
416 | }
|
---|
417 | }
|
---|
418 | #endif /* HAVE_ALPN */
|
---|
419 |
|
---|
420 | /* Check if there's a cached ID we can/should use here! */
|
---|
421 | if(SSL_SET_OPTION(primary.sessionid)) {
|
---|
422 | void *ssl_sessionid = NULL;
|
---|
423 |
|
---|
424 | Curl_ssl_sessionid_lock(conn);
|
---|
425 | if(!Curl_ssl_getsessionid(conn, &ssl_sessionid, NULL, sockindex)) {
|
---|
426 | /* we got a session id, use it! */
|
---|
427 | if(!SSL_set_session(BACKEND->handle, ssl_sessionid)) {
|
---|
428 | Curl_ssl_sessionid_unlock(conn);
|
---|
429 | failf(data, "SSL: SSL_set_session failed: %s",
|
---|
430 | ERR_error_string(SSL_get_error(BACKEND->handle, 0),
|
---|
431 | error_buffer));
|
---|
432 | return CURLE_SSL_CONNECT_ERROR;
|
---|
433 | }
|
---|
434 | /* Informational message */
|
---|
435 | infof(data, "SSL re-using session ID\n");
|
---|
436 | }
|
---|
437 | Curl_ssl_sessionid_unlock(conn);
|
---|
438 | }
|
---|
439 |
|
---|
440 | /* pass the raw socket into the SSL layer */
|
---|
441 | if(!SSL_set_fd(BACKEND->handle, (int)sockfd)) {
|
---|
442 | failf(data, "SSL: SSL_set_fd failed");
|
---|
443 | return CURLE_SSL_CONNECT_ERROR;
|
---|
444 | }
|
---|
445 |
|
---|
446 | connssl->connecting_state = ssl_connect_2;
|
---|
447 | return CURLE_OK;
|
---|
448 | }
|
---|
449 |
|
---|
450 |
|
---|
451 | static CURLcode
|
---|
452 | cyassl_connect_step2(struct connectdata *conn,
|
---|
453 | int sockindex)
|
---|
454 | {
|
---|
455 | int ret = -1;
|
---|
456 | struct Curl_easy *data = conn->data;
|
---|
457 | struct ssl_connect_data* connssl = &conn->ssl[sockindex];
|
---|
458 | const char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
|
---|
459 | conn->host.name;
|
---|
460 | const char * const dispname = SSL_IS_PROXY() ?
|
---|
461 | conn->http_proxy.host.dispname : conn->host.dispname;
|
---|
462 | const char * const pinnedpubkey = SSL_IS_PROXY() ?
|
---|
463 | data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
|
---|
464 | data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
|
---|
465 |
|
---|
466 | conn->recv[sockindex] = cyassl_recv;
|
---|
467 | conn->send[sockindex] = cyassl_send;
|
---|
468 |
|
---|
469 | /* Enable RFC2818 checks */
|
---|
470 | if(SSL_CONN_CONFIG(verifyhost)) {
|
---|
471 | ret = CyaSSL_check_domain_name(BACKEND->handle, hostname);
|
---|
472 | if(ret == SSL_FAILURE)
|
---|
473 | return CURLE_OUT_OF_MEMORY;
|
---|
474 | }
|
---|
475 |
|
---|
476 | ret = SSL_connect(BACKEND->handle);
|
---|
477 | if(ret != 1) {
|
---|
478 | char error_buffer[CYASSL_MAX_ERROR_SZ];
|
---|
479 | int detail = SSL_get_error(BACKEND->handle, ret);
|
---|
480 |
|
---|
481 | if(SSL_ERROR_WANT_READ == detail) {
|
---|
482 | connssl->connecting_state = ssl_connect_2_reading;
|
---|
483 | return CURLE_OK;
|
---|
484 | }
|
---|
485 | else if(SSL_ERROR_WANT_WRITE == detail) {
|
---|
486 | connssl->connecting_state = ssl_connect_2_writing;
|
---|
487 | return CURLE_OK;
|
---|
488 | }
|
---|
489 | /* There is no easy way to override only the CN matching.
|
---|
490 | * This will enable the override of both mismatching SubjectAltNames
|
---|
491 | * as also mismatching CN fields */
|
---|
492 | else if(DOMAIN_NAME_MISMATCH == detail) {
|
---|
493 | #if 1
|
---|
494 | failf(data, "\tsubject alt name(s) or common name do not match \"%s\"\n",
|
---|
495 | dispname);
|
---|
496 | return CURLE_PEER_FAILED_VERIFICATION;
|
---|
497 | #else
|
---|
498 | /* When the CyaSSL_check_domain_name() is used and you desire to continue
|
---|
499 | * on a DOMAIN_NAME_MISMATCH, i.e. 'conn->ssl_config.verifyhost == 0',
|
---|
500 | * CyaSSL version 2.4.0 will fail with an INCOMPLETE_DATA error. The only
|
---|
501 | * way to do this is currently to switch the CyaSSL_check_domain_name()
|
---|
502 | * in and out based on the 'conn->ssl_config.verifyhost' value. */
|
---|
503 | if(SSL_CONN_CONFIG(verifyhost)) {
|
---|
504 | failf(data,
|
---|
505 | "\tsubject alt name(s) or common name do not match \"%s\"\n",
|
---|
506 | dispname);
|
---|
507 | return CURLE_PEER_FAILED_VERIFICATION;
|
---|
508 | }
|
---|
509 | else {
|
---|
510 | infof(data,
|
---|
511 | "\tsubject alt name(s) and/or common name do not match \"%s\"\n",
|
---|
512 | dispname);
|
---|
513 | return CURLE_OK;
|
---|
514 | }
|
---|
515 | #endif
|
---|
516 | }
|
---|
517 | #if LIBCYASSL_VERSION_HEX >= 0x02007000 /* 2.7.0 */
|
---|
518 | else if(ASN_NO_SIGNER_E == detail) {
|
---|
519 | if(SSL_CONN_CONFIG(verifypeer)) {
|
---|
520 | failf(data, "\tCA signer not available for verification\n");
|
---|
521 | return CURLE_SSL_CACERT_BADFILE;
|
---|
522 | }
|
---|
523 | else {
|
---|
524 | /* Just continue with a warning if no strict certificate
|
---|
525 | verification is required. */
|
---|
526 | infof(data, "CA signer not available for verification, "
|
---|
527 | "continuing anyway\n");
|
---|
528 | }
|
---|
529 | }
|
---|
530 | #endif
|
---|
531 | else {
|
---|
532 | failf(data, "SSL_connect failed with error %d: %s", detail,
|
---|
533 | ERR_error_string(detail, error_buffer));
|
---|
534 | return CURLE_SSL_CONNECT_ERROR;
|
---|
535 | }
|
---|
536 | }
|
---|
537 |
|
---|
538 | if(pinnedpubkey) {
|
---|
539 | #ifdef KEEP_PEER_CERT
|
---|
540 | X509 *x509;
|
---|
541 | const char *x509_der;
|
---|
542 | int x509_der_len;
|
---|
543 | curl_X509certificate x509_parsed;
|
---|
544 | curl_asn1Element *pubkey;
|
---|
545 | CURLcode result;
|
---|
546 |
|
---|
547 | x509 = SSL_get_peer_certificate(BACKEND->handle);
|
---|
548 | if(!x509) {
|
---|
549 | failf(data, "SSL: failed retrieving server certificate");
|
---|
550 | return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
|
---|
551 | }
|
---|
552 |
|
---|
553 | x509_der = (const char *)CyaSSL_X509_get_der(x509, &x509_der_len);
|
---|
554 | if(!x509_der) {
|
---|
555 | failf(data, "SSL: failed retrieving ASN.1 server certificate");
|
---|
556 | return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
|
---|
557 | }
|
---|
558 |
|
---|
559 | memset(&x509_parsed, 0, sizeof x509_parsed);
|
---|
560 | if(Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len))
|
---|
561 | return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
|
---|
562 |
|
---|
563 | pubkey = &x509_parsed.subjectPublicKeyInfo;
|
---|
564 | if(!pubkey->header || pubkey->end <= pubkey->header) {
|
---|
565 | failf(data, "SSL: failed retrieving public key from server certificate");
|
---|
566 | return CURLE_SSL_PINNEDPUBKEYNOTMATCH;
|
---|
567 | }
|
---|
568 |
|
---|
569 | result = Curl_pin_peer_pubkey(data,
|
---|
570 | pinnedpubkey,
|
---|
571 | (const unsigned char *)pubkey->header,
|
---|
572 | (size_t)(pubkey->end - pubkey->header));
|
---|
573 | if(result) {
|
---|
574 | failf(data, "SSL: public key does not match pinned public key!");
|
---|
575 | return result;
|
---|
576 | }
|
---|
577 | #else
|
---|
578 | failf(data, "Library lacks pinning support built-in");
|
---|
579 | return CURLE_NOT_BUILT_IN;
|
---|
580 | #endif
|
---|
581 | }
|
---|
582 |
|
---|
583 | #ifdef HAVE_ALPN
|
---|
584 | if(conn->bits.tls_enable_alpn) {
|
---|
585 | int rc;
|
---|
586 | char *protocol = NULL;
|
---|
587 | unsigned short protocol_len = 0;
|
---|
588 |
|
---|
589 | rc = wolfSSL_ALPN_GetProtocol(BACKEND->handle, &protocol, &protocol_len);
|
---|
590 |
|
---|
591 | if(rc == SSL_SUCCESS) {
|
---|
592 | infof(data, "ALPN, server accepted to use %.*s\n", protocol_len,
|
---|
593 | protocol);
|
---|
594 |
|
---|
595 | if(protocol_len == ALPN_HTTP_1_1_LENGTH &&
|
---|
596 | !memcmp(protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH))
|
---|
597 | conn->negnpn = CURL_HTTP_VERSION_1_1;
|
---|
598 | #ifdef USE_NGHTTP2
|
---|
599 | else if(data->set.httpversion >= CURL_HTTP_VERSION_2 &&
|
---|
600 | protocol_len == NGHTTP2_PROTO_VERSION_ID_LEN &&
|
---|
601 | !memcmp(protocol, NGHTTP2_PROTO_VERSION_ID,
|
---|
602 | NGHTTP2_PROTO_VERSION_ID_LEN))
|
---|
603 | conn->negnpn = CURL_HTTP_VERSION_2;
|
---|
604 | #endif
|
---|
605 | else
|
---|
606 | infof(data, "ALPN, unrecognized protocol %.*s\n", protocol_len,
|
---|
607 | protocol);
|
---|
608 | }
|
---|
609 | else if(rc == SSL_ALPN_NOT_FOUND)
|
---|
610 | infof(data, "ALPN, server did not agree to a protocol\n");
|
---|
611 | else {
|
---|
612 | failf(data, "ALPN, failure getting protocol, error %d", rc);
|
---|
613 | return CURLE_SSL_CONNECT_ERROR;
|
---|
614 | }
|
---|
615 | }
|
---|
616 | #endif /* HAVE_ALPN */
|
---|
617 |
|
---|
618 | connssl->connecting_state = ssl_connect_3;
|
---|
619 | #if (LIBCYASSL_VERSION_HEX >= 0x03009010)
|
---|
620 | infof(data, "SSL connection using %s / %s\n",
|
---|
621 | wolfSSL_get_version(BACKEND->handle),
|
---|
622 | wolfSSL_get_cipher_name(BACKEND->handle));
|
---|
623 | #else
|
---|
624 | infof(data, "SSL connected\n");
|
---|
625 | #endif
|
---|
626 |
|
---|
627 | return CURLE_OK;
|
---|
628 | }
|
---|
629 |
|
---|
630 |
|
---|
631 | static CURLcode
|
---|
632 | cyassl_connect_step3(struct connectdata *conn,
|
---|
633 | int sockindex)
|
---|
634 | {
|
---|
635 | CURLcode result = CURLE_OK;
|
---|
636 | struct Curl_easy *data = conn->data;
|
---|
637 | struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
---|
638 |
|
---|
639 | DEBUGASSERT(ssl_connect_3 == connssl->connecting_state);
|
---|
640 |
|
---|
641 | if(SSL_SET_OPTION(primary.sessionid)) {
|
---|
642 | bool incache;
|
---|
643 | SSL_SESSION *our_ssl_sessionid;
|
---|
644 | void *old_ssl_sessionid = NULL;
|
---|
645 |
|
---|
646 | our_ssl_sessionid = SSL_get_session(BACKEND->handle);
|
---|
647 |
|
---|
648 | Curl_ssl_sessionid_lock(conn);
|
---|
649 | incache = !(Curl_ssl_getsessionid(conn, &old_ssl_sessionid, NULL,
|
---|
650 | sockindex));
|
---|
651 | if(incache) {
|
---|
652 | if(old_ssl_sessionid != our_ssl_sessionid) {
|
---|
653 | infof(data, "old SSL session ID is stale, removing\n");
|
---|
654 | Curl_ssl_delsessionid(conn, old_ssl_sessionid);
|
---|
655 | incache = FALSE;
|
---|
656 | }
|
---|
657 | }
|
---|
658 |
|
---|
659 | if(!incache) {
|
---|
660 | result = Curl_ssl_addsessionid(conn, our_ssl_sessionid,
|
---|
661 | 0 /* unknown size */, sockindex);
|
---|
662 | if(result) {
|
---|
663 | Curl_ssl_sessionid_unlock(conn);
|
---|
664 | failf(data, "failed to store ssl session");
|
---|
665 | return result;
|
---|
666 | }
|
---|
667 | }
|
---|
668 | Curl_ssl_sessionid_unlock(conn);
|
---|
669 | }
|
---|
670 |
|
---|
671 | connssl->connecting_state = ssl_connect_done;
|
---|
672 |
|
---|
673 | return result;
|
---|
674 | }
|
---|
675 |
|
---|
676 |
|
---|
677 | static ssize_t cyassl_send(struct connectdata *conn,
|
---|
678 | int sockindex,
|
---|
679 | const void *mem,
|
---|
680 | size_t len,
|
---|
681 | CURLcode *curlcode)
|
---|
682 | {
|
---|
683 | struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
---|
684 | char error_buffer[CYASSL_MAX_ERROR_SZ];
|
---|
685 | int memlen = (len > (size_t)INT_MAX) ? INT_MAX : (int)len;
|
---|
686 | int rc = SSL_write(BACKEND->handle, mem, memlen);
|
---|
687 |
|
---|
688 | if(rc < 0) {
|
---|
689 | int err = SSL_get_error(BACKEND->handle, rc);
|
---|
690 |
|
---|
691 | switch(err) {
|
---|
692 | case SSL_ERROR_WANT_READ:
|
---|
693 | case SSL_ERROR_WANT_WRITE:
|
---|
694 | /* there's data pending, re-invoke SSL_write() */
|
---|
695 | *curlcode = CURLE_AGAIN;
|
---|
696 | return -1;
|
---|
697 | default:
|
---|
698 | failf(conn->data, "SSL write: %s, errno %d",
|
---|
699 | ERR_error_string(err, error_buffer),
|
---|
700 | SOCKERRNO);
|
---|
701 | *curlcode = CURLE_SEND_ERROR;
|
---|
702 | return -1;
|
---|
703 | }
|
---|
704 | }
|
---|
705 | return rc;
|
---|
706 | }
|
---|
707 |
|
---|
708 | static void Curl_cyassl_close(struct connectdata *conn, int sockindex)
|
---|
709 | {
|
---|
710 | struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
---|
711 |
|
---|
712 | if(BACKEND->handle) {
|
---|
713 | (void)SSL_shutdown(BACKEND->handle);
|
---|
714 | SSL_free(BACKEND->handle);
|
---|
715 | BACKEND->handle = NULL;
|
---|
716 | }
|
---|
717 | if(BACKEND->ctx) {
|
---|
718 | SSL_CTX_free(BACKEND->ctx);
|
---|
719 | BACKEND->ctx = NULL;
|
---|
720 | }
|
---|
721 | }
|
---|
722 |
|
---|
723 | static ssize_t cyassl_recv(struct connectdata *conn,
|
---|
724 | int num,
|
---|
725 | char *buf,
|
---|
726 | size_t buffersize,
|
---|
727 | CURLcode *curlcode)
|
---|
728 | {
|
---|
729 | struct ssl_connect_data *connssl = &conn->ssl[num];
|
---|
730 | char error_buffer[CYASSL_MAX_ERROR_SZ];
|
---|
731 | int buffsize = (buffersize > (size_t)INT_MAX) ? INT_MAX : (int)buffersize;
|
---|
732 | int nread = SSL_read(BACKEND->handle, buf, buffsize);
|
---|
733 |
|
---|
734 | if(nread < 0) {
|
---|
735 | int err = SSL_get_error(BACKEND->handle, nread);
|
---|
736 |
|
---|
737 | switch(err) {
|
---|
738 | case SSL_ERROR_ZERO_RETURN: /* no more data */
|
---|
739 | break;
|
---|
740 | case SSL_ERROR_WANT_READ:
|
---|
741 | case SSL_ERROR_WANT_WRITE:
|
---|
742 | /* there's data pending, re-invoke SSL_read() */
|
---|
743 | *curlcode = CURLE_AGAIN;
|
---|
744 | return -1;
|
---|
745 | default:
|
---|
746 | failf(conn->data, "SSL read: %s, errno %d",
|
---|
747 | ERR_error_string(err, error_buffer),
|
---|
748 | SOCKERRNO);
|
---|
749 | *curlcode = CURLE_RECV_ERROR;
|
---|
750 | return -1;
|
---|
751 | }
|
---|
752 | }
|
---|
753 | return nread;
|
---|
754 | }
|
---|
755 |
|
---|
756 |
|
---|
757 | static void Curl_cyassl_session_free(void *ptr)
|
---|
758 | {
|
---|
759 | (void)ptr;
|
---|
760 | /* CyaSSL reuses sessions on own, no free */
|
---|
761 | }
|
---|
762 |
|
---|
763 |
|
---|
764 | static size_t Curl_cyassl_version(char *buffer, size_t size)
|
---|
765 | {
|
---|
766 | #if LIBCYASSL_VERSION_HEX >= 0x03006000
|
---|
767 | return snprintf(buffer, size, "wolfSSL/%s", wolfSSL_lib_version());
|
---|
768 | #elif defined(WOLFSSL_VERSION)
|
---|
769 | return snprintf(buffer, size, "wolfSSL/%s", WOLFSSL_VERSION);
|
---|
770 | #elif defined(CYASSL_VERSION)
|
---|
771 | return snprintf(buffer, size, "CyaSSL/%s", CYASSL_VERSION);
|
---|
772 | #else
|
---|
773 | return snprintf(buffer, size, "CyaSSL/%s", "<1.8.8");
|
---|
774 | #endif
|
---|
775 | }
|
---|
776 |
|
---|
777 |
|
---|
778 | static int Curl_cyassl_init(void)
|
---|
779 | {
|
---|
780 | return (CyaSSL_Init() == SSL_SUCCESS);
|
---|
781 | }
|
---|
782 |
|
---|
783 |
|
---|
784 | static bool Curl_cyassl_data_pending(const struct connectdata* conn,
|
---|
785 | int connindex)
|
---|
786 | {
|
---|
787 | const struct ssl_connect_data *connssl = &conn->ssl[connindex];
|
---|
788 | if(BACKEND->handle) /* SSL is in use */
|
---|
789 | return (0 != SSL_pending(BACKEND->handle)) ? TRUE : FALSE;
|
---|
790 | else
|
---|
791 | return FALSE;
|
---|
792 | }
|
---|
793 |
|
---|
794 |
|
---|
795 | /*
|
---|
796 | * This function is called to shut down the SSL layer but keep the
|
---|
797 | * socket open (CCC - Clear Command Channel)
|
---|
798 | */
|
---|
799 | static int Curl_cyassl_shutdown(struct connectdata *conn, int sockindex)
|
---|
800 | {
|
---|
801 | int retval = 0;
|
---|
802 | struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
---|
803 |
|
---|
804 | if(BACKEND->handle) {
|
---|
805 | SSL_free(BACKEND->handle);
|
---|
806 | BACKEND->handle = NULL;
|
---|
807 | }
|
---|
808 | return retval;
|
---|
809 | }
|
---|
810 |
|
---|
811 |
|
---|
812 | static CURLcode
|
---|
813 | cyassl_connect_common(struct connectdata *conn,
|
---|
814 | int sockindex,
|
---|
815 | bool nonblocking,
|
---|
816 | bool *done)
|
---|
817 | {
|
---|
818 | CURLcode result;
|
---|
819 | struct Curl_easy *data = conn->data;
|
---|
820 | struct ssl_connect_data *connssl = &conn->ssl[sockindex];
|
---|
821 | curl_socket_t sockfd = conn->sock[sockindex];
|
---|
822 | time_t timeout_ms;
|
---|
823 | int what;
|
---|
824 |
|
---|
825 | /* check if the connection has already been established */
|
---|
826 | if(ssl_connection_complete == connssl->state) {
|
---|
827 | *done = TRUE;
|
---|
828 | return CURLE_OK;
|
---|
829 | }
|
---|
830 |
|
---|
831 | if(ssl_connect_1 == connssl->connecting_state) {
|
---|
832 | /* Find out how much more time we're allowed */
|
---|
833 | timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
---|
834 |
|
---|
835 | if(timeout_ms < 0) {
|
---|
836 | /* no need to continue if time already is up */
|
---|
837 | failf(data, "SSL connection timeout");
|
---|
838 | return CURLE_OPERATION_TIMEDOUT;
|
---|
839 | }
|
---|
840 |
|
---|
841 | result = cyassl_connect_step1(conn, sockindex);
|
---|
842 | if(result)
|
---|
843 | return result;
|
---|
844 | }
|
---|
845 |
|
---|
846 | while(ssl_connect_2 == connssl->connecting_state ||
|
---|
847 | ssl_connect_2_reading == connssl->connecting_state ||
|
---|
848 | ssl_connect_2_writing == connssl->connecting_state) {
|
---|
849 |
|
---|
850 | /* check allowed time left */
|
---|
851 | timeout_ms = Curl_timeleft(data, NULL, TRUE);
|
---|
852 |
|
---|
853 | if(timeout_ms < 0) {
|
---|
854 | /* no need to continue if time already is up */
|
---|
855 | failf(data, "SSL connection timeout");
|
---|
856 | return CURLE_OPERATION_TIMEDOUT;
|
---|
857 | }
|
---|
858 |
|
---|
859 | /* if ssl is expecting something, check if it's available. */
|
---|
860 | if(connssl->connecting_state == ssl_connect_2_reading
|
---|
861 | || connssl->connecting_state == ssl_connect_2_writing) {
|
---|
862 |
|
---|
863 | curl_socket_t writefd = ssl_connect_2_writing ==
|
---|
864 | connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
|
---|
865 | curl_socket_t readfd = ssl_connect_2_reading ==
|
---|
866 | connssl->connecting_state?sockfd:CURL_SOCKET_BAD;
|
---|
867 |
|
---|
868 | what = Curl_socket_check(readfd, CURL_SOCKET_BAD, writefd,
|
---|
869 | nonblocking?0:timeout_ms);
|
---|
870 | if(what < 0) {
|
---|
871 | /* fatal error */
|
---|
872 | failf(data, "select/poll on SSL socket, errno: %d", SOCKERRNO);
|
---|
873 | return CURLE_SSL_CONNECT_ERROR;
|
---|
874 | }
|
---|
875 | else if(0 == what) {
|
---|
876 | if(nonblocking) {
|
---|
877 | *done = FALSE;
|
---|
878 | return CURLE_OK;
|
---|
879 | }
|
---|
880 | else {
|
---|
881 | /* timeout */
|
---|
882 | failf(data, "SSL connection timeout");
|
---|
883 | return CURLE_OPERATION_TIMEDOUT;
|
---|
884 | }
|
---|
885 | }
|
---|
886 | /* socket is readable or writable */
|
---|
887 | }
|
---|
888 |
|
---|
889 | /* Run transaction, and return to the caller if it failed or if
|
---|
890 | * this connection is part of a multi handle and this loop would
|
---|
891 | * execute again. This permits the owner of a multi handle to
|
---|
892 | * abort a connection attempt before step2 has completed while
|
---|
893 | * ensuring that a client using select() or epoll() will always
|
---|
894 | * have a valid fdset to wait on.
|
---|
895 | */
|
---|
896 | result = cyassl_connect_step2(conn, sockindex);
|
---|
897 | if(result || (nonblocking &&
|
---|
898 | (ssl_connect_2 == connssl->connecting_state ||
|
---|
899 | ssl_connect_2_reading == connssl->connecting_state ||
|
---|
900 | ssl_connect_2_writing == connssl->connecting_state)))
|
---|
901 | return result;
|
---|
902 | } /* repeat step2 until all transactions are done. */
|
---|
903 |
|
---|
904 | if(ssl_connect_3 == connssl->connecting_state) {
|
---|
905 | result = cyassl_connect_step3(conn, sockindex);
|
---|
906 | if(result)
|
---|
907 | return result;
|
---|
908 | }
|
---|
909 |
|
---|
910 | if(ssl_connect_done == connssl->connecting_state) {
|
---|
911 | connssl->state = ssl_connection_complete;
|
---|
912 | conn->recv[sockindex] = cyassl_recv;
|
---|
913 | conn->send[sockindex] = cyassl_send;
|
---|
914 | *done = TRUE;
|
---|
915 | }
|
---|
916 | else
|
---|
917 | *done = FALSE;
|
---|
918 |
|
---|
919 | /* Reset our connect state machine */
|
---|
920 | connssl->connecting_state = ssl_connect_1;
|
---|
921 |
|
---|
922 | return CURLE_OK;
|
---|
923 | }
|
---|
924 |
|
---|
925 |
|
---|
926 | static CURLcode Curl_cyassl_connect_nonblocking(struct connectdata *conn,
|
---|
927 | int sockindex, bool *done)
|
---|
928 | {
|
---|
929 | return cyassl_connect_common(conn, sockindex, TRUE, done);
|
---|
930 | }
|
---|
931 |
|
---|
932 |
|
---|
933 | static CURLcode Curl_cyassl_connect(struct connectdata *conn, int sockindex)
|
---|
934 | {
|
---|
935 | CURLcode result;
|
---|
936 | bool done = FALSE;
|
---|
937 |
|
---|
938 | result = cyassl_connect_common(conn, sockindex, FALSE, &done);
|
---|
939 | if(result)
|
---|
940 | return result;
|
---|
941 |
|
---|
942 | DEBUGASSERT(done);
|
---|
943 |
|
---|
944 | return CURLE_OK;
|
---|
945 | }
|
---|
946 |
|
---|
947 | static CURLcode Curl_cyassl_random(struct Curl_easy *data,
|
---|
948 | unsigned char *entropy, size_t length)
|
---|
949 | {
|
---|
950 | RNG rng;
|
---|
951 | (void)data;
|
---|
952 | if(InitRng(&rng))
|
---|
953 | return CURLE_FAILED_INIT;
|
---|
954 | if(length > UINT_MAX)
|
---|
955 | return CURLE_FAILED_INIT;
|
---|
956 | if(RNG_GenerateBlock(&rng, entropy, (unsigned)length))
|
---|
957 | return CURLE_FAILED_INIT;
|
---|
958 | return CURLE_OK;
|
---|
959 | }
|
---|
960 |
|
---|
961 | static void Curl_cyassl_sha256sum(const unsigned char *tmp, /* input */
|
---|
962 | size_t tmplen,
|
---|
963 | unsigned char *sha256sum /* output */,
|
---|
964 | size_t unused)
|
---|
965 | {
|
---|
966 | Sha256 SHA256pw;
|
---|
967 | (void)unused;
|
---|
968 | InitSha256(&SHA256pw);
|
---|
969 | Sha256Update(&SHA256pw, tmp, (word32)tmplen);
|
---|
970 | Sha256Final(&SHA256pw, sha256sum);
|
---|
971 | }
|
---|
972 |
|
---|
973 | static void *Curl_cyassl_get_internals(struct ssl_connect_data *connssl,
|
---|
974 | CURLINFO info UNUSED_PARAM)
|
---|
975 | {
|
---|
976 | (void)info;
|
---|
977 | return BACKEND->handle;
|
---|
978 | }
|
---|
979 |
|
---|
980 | const struct Curl_ssl Curl_ssl_cyassl = {
|
---|
981 | { CURLSSLBACKEND_WOLFSSL, "WolfSSL" }, /* info */
|
---|
982 |
|
---|
983 | 0, /* have_ca_path */
|
---|
984 | 0, /* have_certinfo */
|
---|
985 | #ifdef KEEP_PEER_CERT
|
---|
986 | 1, /* have_pinnedpubkey */
|
---|
987 | #else
|
---|
988 | 0, /* have_pinnedpubkey */
|
---|
989 | #endif
|
---|
990 | 1, /* have_ssl_ctx */
|
---|
991 | 0, /* support_https_proxy */
|
---|
992 |
|
---|
993 | sizeof(struct ssl_backend_data),
|
---|
994 |
|
---|
995 | Curl_cyassl_init, /* init */
|
---|
996 | Curl_none_cleanup, /* cleanup */
|
---|
997 | Curl_cyassl_version, /* version */
|
---|
998 | Curl_none_check_cxn, /* check_cxn */
|
---|
999 | Curl_cyassl_shutdown, /* shutdown */
|
---|
1000 | Curl_cyassl_data_pending, /* data_pending */
|
---|
1001 | Curl_cyassl_random, /* random */
|
---|
1002 | Curl_none_cert_status_request, /* cert_status_request */
|
---|
1003 | Curl_cyassl_connect, /* connect */
|
---|
1004 | Curl_cyassl_connect_nonblocking, /* connect_nonblocking */
|
---|
1005 | Curl_cyassl_get_internals, /* get_internals */
|
---|
1006 | Curl_cyassl_close, /* close_one */
|
---|
1007 | Curl_none_close_all, /* close_all */
|
---|
1008 | Curl_cyassl_session_free, /* session_free */
|
---|
1009 | Curl_none_set_engine, /* set_engine */
|
---|
1010 | Curl_none_set_engine_default, /* set_engine_default */
|
---|
1011 | Curl_none_engines_list, /* engines_list */
|
---|
1012 | Curl_none_false_start, /* false_start */
|
---|
1013 | Curl_none_md5sum, /* md5sum */
|
---|
1014 | Curl_cyassl_sha256sum /* sha256sum */
|
---|
1015 | };
|
---|
1016 |
|
---|
1017 | #endif
|
---|