1 | /* io.h
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2 | *
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3 | * Copyright (C) 2006-2016 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 |
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23 | #ifndef WOLFSSL_IO_H
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24 | #define WOLFSSL_IO_H
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25 |
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26 | #ifdef __cplusplus
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27 | extern "C" {
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28 | #endif
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29 |
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30 | /* OCSP and CRL_IO require HTTP client */
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31 | #if defined(HAVE_OCSP) || defined(HAVE_CRL_IO)
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32 | #ifndef HAVE_HTTP_CLIENT
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33 | #define HAVE_HTTP_CLIENT
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34 | #endif
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35 | #endif
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36 |
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37 | #if !defined(WOLFSSL_USER_IO)
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38 | #ifndef USE_WOLFSSL_IO
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39 | #define USE_WOLFSSL_IO
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40 | #endif
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41 | #endif
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42 |
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43 |
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44 | #if defined(USE_WOLFSSL_IO) || defined(HAVE_HTTP_CLIENT)
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45 |
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46 | #ifdef HAVE_LIBZ
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47 | #include "zlib.h"
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48 | #endif
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49 |
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50 | #ifndef USE_WINDOWS_API
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51 | #ifdef WOLFSSL_LWIP
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52 | /* lwIP needs to be configured to use sockets API in this mode */
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53 | /* LWIP_SOCKET 1 in lwip/opt.h or in build */
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54 | #include "lwip/sockets.h"
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55 | #include <errno.h>
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56 | #ifndef LWIP_PROVIDE_ERRNO
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57 | #define LWIP_PROVIDE_ERRNO 1
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58 | #endif
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59 | #elif defined(FREESCALE_MQX)
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60 | #include <posix.h>
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61 | #include <rtcs.h>
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62 | #elif defined(FREESCALE_KSDK_MQX)
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63 | #include <rtcs.h>
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64 | #elif defined(WOLFSSL_MDK_ARM) || defined(WOLFSSL_KEIL_TCP_NET)
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65 | #if !defined(WOLFSSL_MDK_ARM)
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66 | #include "cmsis_os.h"
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67 | #include "rl_net.h"
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68 | #else
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69 | #include <rtl.h>
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70 | #endif
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71 | #include "errno.h"
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72 | #define SOCKET_T int
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73 | #elif defined(WOLFSSL_TIRTOS)
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74 | #include <sys/socket.h>
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75 | #elif defined(FREERTOS_TCP)
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76 | #include "FreeRTOS_Sockets.h"
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77 | #elif defined(WOLFSSL_IAR_ARM)
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78 | /* nothing */
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79 | #elif defined(WOLFSSL_VXWORKS)
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80 | #include <sockLib.h>
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81 | #include <errno.h>
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82 | #elif defined(WOLFSSL_ATMEL)
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83 | #include "socket/include/socket.h"
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84 | #elif defined(INTIME_RTOS)
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85 | #undef MIN
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86 | #undef MAX
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87 | #include <rt.h>
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88 | #include <sys/types.h>
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89 | #include <sys/socket.h>
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90 | #include <netdb.h>
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91 | #include <netinet/in.h>
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92 | #include <io.h>
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93 | /* <sys/socket.h> defines these, to avoid conflict, do undef */
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94 | #undef SOCKADDR
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95 | #undef SOCKADDR_IN
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96 | #elif defined(WOLFSSL_PRCONNECT_PRO)
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97 | #include <prconnect_pro/prconnect_pro.h>
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98 | #include <sys/types.h>
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99 | #include <errno.h>
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100 | #include <unistd.h>
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101 | #include <fcntl.h>
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102 | #include <netdb.h>
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103 | #include <sys/ioctl.h>
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104 | #elif !defined(WOLFSSL_NO_SOCK)
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105 | #include <sys/types.h>
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106 | #include <errno.h>
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107 | #ifndef EBSNET
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108 | #include <unistd.h>
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109 | #endif
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110 | #include <fcntl.h>
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111 |
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112 | #if defined(HAVE_RTP_SYS)
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113 | #include <socket.h>
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114 | #elif defined(EBSNET)
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115 | #include "rtipapi.h" /* errno */
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116 | #include "socket.h"
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117 | #elif !defined(DEVKITPRO) && !defined(WOLFSSL_PICOTCP)
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118 | #include <sys/socket.h>
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119 | #include <arpa/inet.h>
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120 | #include <netinet/in.h>
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121 | #include <netdb.h>
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122 | #ifdef __PPU
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123 | #include <netex/errno.h>
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124 | #else
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125 | #include <sys/ioctl.h>
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126 | #endif
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127 | #endif
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128 | #endif
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129 | #endif /* USE_WINDOWS_API */
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130 |
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131 | #ifdef __sun
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132 | #include <sys/filio.h>
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133 | #endif
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134 |
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135 | #ifdef USE_WINDOWS_API
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136 | /* no epipe yet */
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137 | #ifndef WSAEPIPE
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138 | #define WSAEPIPE -12345
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139 | #endif
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140 | #define SOCKET_EWOULDBLOCK WSAEWOULDBLOCK
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141 | #define SOCKET_EAGAIN WSAETIMEDOUT
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142 | #define SOCKET_ECONNRESET WSAECONNRESET
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143 | #define SOCKET_EINTR WSAEINTR
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144 | #define SOCKET_EPIPE WSAEPIPE
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145 | #define SOCKET_ECONNREFUSED WSAENOTCONN
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146 | #define SOCKET_ECONNABORTED WSAECONNABORTED
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147 | #define close(s) closesocket(s)
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148 | #elif defined(__PPU)
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149 | #define SOCKET_EWOULDBLOCK SYS_NET_EWOULDBLOCK
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150 | #define SOCKET_EAGAIN SYS_NET_EAGAIN
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151 | #define SOCKET_ECONNRESET SYS_NET_ECONNRESET
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152 | #define SOCKET_EINTR SYS_NET_EINTR
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153 | #define SOCKET_EPIPE SYS_NET_EPIPE
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154 | #define SOCKET_ECONNREFUSED SYS_NET_ECONNREFUSED
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155 | #define SOCKET_ECONNABORTED SYS_NET_ECONNABORTED
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156 | #elif defined(FREESCALE_MQX) || defined(FREESCALE_KSDK_MQX)
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157 | #if MQX_USE_IO_OLD
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158 | /* RTCS old I/O doesn't have an EWOULDBLOCK */
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159 | #define SOCKET_EWOULDBLOCK EAGAIN
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160 | #define SOCKET_EAGAIN EAGAIN
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161 | #define SOCKET_ECONNRESET RTCSERR_TCP_CONN_RESET
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162 | #define SOCKET_EINTR EINTR
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163 | #define SOCKET_EPIPE EPIPE
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164 | #define SOCKET_ECONNREFUSED RTCSERR_TCP_CONN_REFUSED
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165 | #define SOCKET_ECONNABORTED RTCSERR_TCP_CONN_ABORTED
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166 | #else
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167 | #define SOCKET_EWOULDBLOCK NIO_EWOULDBLOCK
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168 | #define SOCKET_EAGAIN NIO_EAGAIN
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169 | #define SOCKET_ECONNRESET NIO_ECONNRESET
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170 | #define SOCKET_EINTR NIO_EINTR
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171 | #define SOCKET_EPIPE NIO_EPIPE
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172 | #define SOCKET_ECONNREFUSED NIO_ECONNREFUSED
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173 | #define SOCKET_ECONNABORTED NIO_ECONNABORTED
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174 | #endif
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175 | #elif defined(WOLFSSL_MDK_ARM)|| defined(WOLFSSL_KEIL_TCP_NET)
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176 | #if !defined(WOLFSSL_MDK_ARM)
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177 | #define SOCKET_EWOULDBLOCK BSD_ERROR_WOULDBLOCK
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178 | #define SOCKET_EAGAIN BSD_ERROR_LOCKED
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179 | #define SOCKET_ECONNRESET BSD_ERROR_CLOSED
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180 | #define SOCKET_EINTR BSD_ERROR
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181 | #define SOCKET_EPIPE BSD_ERROR
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182 | #define SOCKET_ECONNREFUSED BSD_ERROR
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183 | #define SOCKET_ECONNABORTED BSD_ERROR
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184 | #else
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185 | #define SOCKET_EWOULDBLOCK SCK_EWOULDBLOCK
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186 | #define SOCKET_EAGAIN SCK_ELOCKED
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187 | #define SOCKET_ECONNRESET SCK_ECLOSED
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188 | #define SOCKET_EINTR SCK_ERROR
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189 | #define SOCKET_EPIPE SCK_ERROR
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190 | #define SOCKET_ECONNREFUSED SCK_ERROR
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191 | #define SOCKET_ECONNABORTED SCK_ERROR
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192 | #endif
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193 | #elif defined(WOLFSSL_PICOTCP)
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194 | #define SOCKET_EWOULDBLOCK PICO_ERR_EAGAIN
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195 | #define SOCKET_EAGAIN PICO_ERR_EAGAIN
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196 | #define SOCKET_ECONNRESET PICO_ERR_ECONNRESET
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197 | #define SOCKET_EINTR PICO_ERR_EINTR
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198 | #define SOCKET_EPIPE PICO_ERR_EIO
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199 | #define SOCKET_ECONNREFUSED PICO_ERR_ECONNREFUSED
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200 | #define SOCKET_ECONNABORTED PICO_ERR_ESHUTDOWN
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201 | #elif defined(FREERTOS_TCP)
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202 | #define SOCKET_EWOULDBLOCK FREERTOS_EWOULDBLOCK
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203 | #define SOCKET_EAGAIN FREERTOS_EWOULDBLOCK
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204 | #define SOCKET_ECONNRESET FREERTOS_SOCKET_ERROR
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205 | #define SOCKET_EINTR FREERTOS_SOCKET_ERROR
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206 | #define SOCKET_EPIPE FREERTOS_SOCKET_ERROR
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207 | #define SOCKET_ECONNREFUSED FREERTOS_SOCKET_ERROR
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208 | #define SOCKET_ECONNABORTED FREERTOS_SOCKET_ERROR
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209 | #else
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210 | #define SOCKET_EWOULDBLOCK EWOULDBLOCK
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211 | #define SOCKET_EAGAIN EAGAIN
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212 | #define SOCKET_ECONNRESET ECONNRESET
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213 | #define SOCKET_EINTR EINTR
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214 | #define SOCKET_EPIPE EPIPE
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215 | #define SOCKET_ECONNREFUSED ECONNREFUSED
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216 | #define SOCKET_ECONNABORTED ECONNABORTED
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217 | #endif /* USE_WINDOWS_API */
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218 |
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219 |
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220 | #ifdef DEVKITPRO
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221 | /* from network.h */
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222 | int net_send(int, const void*, int, unsigned int);
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223 | int net_recv(int, void*, int, unsigned int);
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224 | #define SEND_FUNCTION net_send
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225 | #define RECV_FUNCTION net_recv
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226 | #elif defined(WOLFSSL_LWIP)
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227 | #define SEND_FUNCTION lwip_send
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228 | #define RECV_FUNCTION lwip_recv
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229 | #elif defined(WOLFSSL_PICOTCP)
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230 | #define SEND_FUNCTION pico_send
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231 | #define RECV_FUNCTION pico_recv
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232 | #elif defined(FREERTOS_TCP)
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233 | #define RECV_FUNCTION(a,b,c,d) FreeRTOS_recv((Socket_t)(a),(void*)(b), (size_t)(c), (BaseType_t)(d))
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234 | #define SEND_FUNCTION(a,b,c,d) FreeRTOS_send((Socket_t)(a),(void*)(b), (size_t)(c), (BaseType_t)(d))
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235 | #else
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236 | #define SEND_FUNCTION send
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237 | #define RECV_FUNCTION recv
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238 | #if !defined(HAVE_SOCKADDR) && !defined(WOLFSSL_NO_SOCK)
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239 | #define HAVE_SOCKADDR
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240 | #endif
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241 | #endif
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242 |
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243 | #ifdef USE_WINDOWS_API
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244 | typedef unsigned int SOCKET_T;
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245 | #else
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246 | typedef int SOCKET_T;
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247 | #endif
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248 |
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249 | #ifndef WOLFSSL_NO_SOCK
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250 | #ifndef XSOCKLENT
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251 | #ifdef USE_WINDOWS_API
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252 | #define XSOCKLENT int
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253 | #else
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254 | #define XSOCKLENT socklen_t
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255 | #endif
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256 | #endif
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257 |
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258 | /* Socket Addr Support */
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259 | #ifdef HAVE_SOCKADDR
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260 | typedef struct sockaddr SOCKADDR;
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261 | typedef struct sockaddr_storage SOCKADDR_S;
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262 | typedef struct sockaddr_in SOCKADDR_IN;
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263 | #ifdef WOLFSSL_IPV6
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264 | typedef struct sockaddr_in6 SOCKADDR_IN6;
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265 | #endif
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266 | typedef struct hostent HOSTENT;
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267 | #endif /* HAVE_SOCKADDR */
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268 |
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269 | #ifdef HAVE_GETADDRINFO
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270 | typedef struct addrinfo ADDRINFO;
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271 | #endif
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272 | #endif /* WOLFSSL_NO_SOCK */
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273 |
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274 |
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275 | /* IO API's */
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276 | #ifdef HAVE_IO_TIMEOUT
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277 | WOLFSSL_API int wolfIO_SetBlockingMode(SOCKET_T sockfd, int non_blocking);
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278 | WOLFSSL_API void wolfIO_SetTimeout(int to_sec);;
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279 | WOLFSSL_API int wolfIO_Select(SOCKET_T sockfd, int to_sec);
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280 | #endif
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281 | WOLFSSL_API int wolfIO_TcpConnect(SOCKET_T* sockfd, const char* ip,
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282 | unsigned short port, int to_sec);
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283 | WOLFSSL_API int wolfIO_Send(SOCKET_T sd, char *buf, int sz, int wrFlags);
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284 | WOLFSSL_API int wolfIO_Recv(SOCKET_T sd, char *buf, int sz, int rdFlags);
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285 |
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286 | #endif /* USE_WOLFSSL_IO || HAVE_HTTP_CLIENT */
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287 |
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288 |
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289 | #if defined(USE_WOLFSSL_IO)
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290 | /* default IO callbacks */
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291 | WOLFSSL_API int EmbedReceive(WOLFSSL* ssl, char* buf, int sz, void* ctx);
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292 | WOLFSSL_API int EmbedSend(WOLFSSL* ssl, char* buf, int sz, void* ctx);
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293 |
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294 | #ifdef WOLFSSL_DTLS
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295 | WOLFSSL_API int EmbedReceiveFrom(WOLFSSL* ssl, char* buf, int sz, void*);
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296 | WOLFSSL_API int EmbedSendTo(WOLFSSL* ssl, char* buf, int sz, void* ctx);
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297 | WOLFSSL_API int EmbedGenerateCookie(WOLFSSL* ssl, unsigned char* buf,
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298 | int sz, void*);
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299 | #ifdef WOLFSSL_SESSION_EXPORT
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300 | WOLFSSL_API int EmbedGetPeer(WOLFSSL* ssl, char* ip, int* ipSz,
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301 | unsigned short* port, int* fam);
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302 | WOLFSSL_API int EmbedSetPeer(WOLFSSL* ssl, char* ip, int ipSz,
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303 | unsigned short port, int fam);
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304 | #endif /* WOLFSSL_SESSION_EXPORT */
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305 | #endif /* WOLFSSL_DTLS */
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306 | #endif /* USE_WOLFSSL_IO */
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307 |
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308 | #ifdef HAVE_OCSP
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309 | WOLFSSL_API int wolfIO_HttpBuildRequestOcsp(const char* domainName,
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310 | const char* path, int ocspReqSz, unsigned char* buf, int bufSize);
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311 | WOLFSSL_API int wolfIO_HttpProcessResponseOcsp(int sfd,
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312 | unsigned char** respBuf, unsigned char* httpBuf, int httpBufSz,
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313 | void* heap);
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314 |
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315 | WOLFSSL_API int EmbedOcspLookup(void*, const char*, int, unsigned char*,
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316 | int, unsigned char**);
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317 | WOLFSSL_API void EmbedOcspRespFree(void*, unsigned char*);
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318 | #endif
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319 |
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320 | #ifdef HAVE_CRL_IO
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321 | WOLFSSL_API int wolfIO_HttpBuildRequestCrl(const char* url, int urlSz,
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322 | const char* domainName, unsigned char* buf, int bufSize);
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323 | WOLFSSL_API int wolfIO_HttpProcessResponseCrl(WOLFSSL_CRL* crl, int sfd,
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324 | unsigned char* httpBuf, int httpBufSz);
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325 |
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326 | WOLFSSL_API int EmbedCrlLookup(WOLFSSL_CRL* crl, const char* url,
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327 | int urlSz);
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328 | #endif
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329 |
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330 |
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331 | #if defined(HAVE_HTTP_CLIENT)
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332 | WOLFSSL_API int wolfIO_DecodeUrl(const char* url, int urlSz, char* outName,
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333 | char* outPath, unsigned short* outPort);
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334 |
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335 | WOLFSSL_API int wolfIO_HttpBuildRequest(const char* reqType,
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336 | const char* domainName, const char* path, int pathLen, int reqSz,
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337 | const char* contentType, unsigned char* buf, int bufSize);
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338 | WOLFSSL_API int wolfIO_HttpProcessResponse(int sfd, const char* appStr,
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339 | unsigned char** respBuf, unsigned char* httpBuf, int httpBufSz,
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340 | int dynType, void* heap);
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341 | #endif /* HAVE_HTTP_CLIENT */
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342 |
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343 |
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344 | /* I/O callbacks */
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345 | typedef int (*CallbackIORecv)(WOLFSSL *ssl, char *buf, int sz, void *ctx);
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346 | typedef int (*CallbackIOSend)(WOLFSSL *ssl, char *buf, int sz, void *ctx);
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347 | WOLFSSL_API void wolfSSL_SetIORecv(WOLFSSL_CTX*, CallbackIORecv);
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348 | WOLFSSL_API void wolfSSL_SetIOSend(WOLFSSL_CTX*, CallbackIOSend);
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349 |
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350 | WOLFSSL_API void wolfSSL_SetIOReadCtx( WOLFSSL* ssl, void *ctx);
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351 | WOLFSSL_API void wolfSSL_SetIOWriteCtx(WOLFSSL* ssl, void *ctx);
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352 |
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353 | WOLFSSL_API void* wolfSSL_GetIOReadCtx( WOLFSSL* ssl);
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354 | WOLFSSL_API void* wolfSSL_GetIOWriteCtx(WOLFSSL* ssl);
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355 |
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356 | WOLFSSL_API void wolfSSL_SetIOReadFlags( WOLFSSL* ssl, int flags);
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357 | WOLFSSL_API void wolfSSL_SetIOWriteFlags(WOLFSSL* ssl, int flags);
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358 |
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359 |
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360 | #ifdef HAVE_NETX
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361 | WOLFSSL_LOCAL int NetX_Receive(WOLFSSL *ssl, char *buf, int sz, void *ctx);
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362 | WOLFSSL_LOCAL int NetX_Send(WOLFSSL *ssl, char *buf, int sz, void *ctx);
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363 |
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364 | WOLFSSL_API void wolfSSL_SetIO_NetX(WOLFSSL* ssl, NX_TCP_SOCKET* nxsocket,
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365 | ULONG waitoption);
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366 | #endif /* HAVE_NETX */
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367 |
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368 | #ifdef WOLFSSL_DTLS
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369 | typedef int (*CallbackGenCookie)(WOLFSSL* ssl, unsigned char* buf, int sz,
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370 | void* ctx);
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371 | WOLFSSL_API void wolfSSL_CTX_SetGenCookie(WOLFSSL_CTX*, CallbackGenCookie);
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372 | WOLFSSL_API void wolfSSL_SetCookieCtx(WOLFSSL* ssl, void *ctx);
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373 | WOLFSSL_API void* wolfSSL_GetCookieCtx(WOLFSSL* ssl);
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374 |
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375 | #ifdef WOLFSSL_SESSION_EXPORT
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376 | typedef int (*CallbackGetPeer)(WOLFSSL* ssl, char* ip, int* ipSz,
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377 | unsigned short* port, int* fam);
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378 | typedef int (*CallbackSetPeer)(WOLFSSL* ssl, char* ip, int ipSz,
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379 | unsigned short port, int fam);
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380 |
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381 | WOLFSSL_API void wolfSSL_CTX_SetIOGetPeer(WOLFSSL_CTX*, CallbackGetPeer);
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382 | WOLFSSL_API void wolfSSL_CTX_SetIOSetPeer(WOLFSSL_CTX*, CallbackSetPeer);
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383 | #endif /* WOLFSSL_SESSION_EXPORT */
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384 | #endif
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385 |
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386 |
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387 |
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388 | #ifndef XINET_NTOP
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389 | #define XINET_NTOP(a,b,c,d) inet_ntop((a),(b),(c),(d))
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390 | #endif
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391 | #ifndef XINET_PTON
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392 | #define XINET_PTON(a,b,c) inet_pton((a),(b),(c))
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393 | #endif
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394 | #ifndef XHTONS
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395 | #define XHTONS(a) htons((a))
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396 | #endif
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397 | #ifndef XNTOHS
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398 | #define XNTOHS(a) ntohs((a))
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399 | #endif
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400 |
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401 | #ifndef WOLFSSL_IP4
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402 | #define WOLFSSL_IP4 AF_INET
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403 | #endif
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404 | #ifndef WOLFSSL_IP6
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405 | #define WOLFSSL_IP6 AF_INET6
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406 | #endif
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407 |
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408 |
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409 | #ifdef __cplusplus
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410 | } /* extern "C" */
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411 | #endif
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412 |
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413 | #endif /* WOLFSSL_IO_H */
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