Example TLS client with wolfSSL, with cert
Dependencies: EthernetInterface NTPClient SDFileSystem mbed-rtos mbed wolfSSL
client-tls.cpp@1:29638701a63a, 2015-07-20 (annotated)
- Committer:
- wolfSSL
- Date:
- Mon Jul 20 08:30:39 2015 +0000
- Revision:
- 1:29638701a63a
- Parent:
- 0:ea20b58bf112
- Child:
- 2:53d82dd5e556
Extended thread stack
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 0:ea20b58bf112 | 1 | /* client-tcp.c |
wolfSSL | 0:ea20b58bf112 | 2 | * |
wolfSSL | 0:ea20b58bf112 | 3 | * Copyright (C) 2006-2015 wolfSSL Inc. |
wolfSSL | 0:ea20b58bf112 | 4 | * |
wolfSSL | 0:ea20b58bf112 | 5 | * This file is part of wolfSSL. (formerly known as CyaSSL) |
wolfSSL | 0:ea20b58bf112 | 6 | * |
wolfSSL | 0:ea20b58bf112 | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
wolfSSL | 0:ea20b58bf112 | 8 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 0:ea20b58bf112 | 9 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 0:ea20b58bf112 | 10 | * (at your option) any later version. |
wolfSSL | 0:ea20b58bf112 | 11 | * |
wolfSSL | 0:ea20b58bf112 | 12 | * wolfSSL is distributed in the hope that it will be useful, |
wolfSSL | 0:ea20b58bf112 | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 0:ea20b58bf112 | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 0:ea20b58bf112 | 15 | * GNU General Public License for more details. |
wolfSSL | 0:ea20b58bf112 | 16 | * |
wolfSSL | 0:ea20b58bf112 | 17 | * You should have received a copy of the GNU General Public License |
wolfSSL | 0:ea20b58bf112 | 18 | * along with this program; if not, write to the Free Software |
wolfSSL | 0:ea20b58bf112 | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
wolfSSL | 0:ea20b58bf112 | 20 | */ |
wolfSSL | 0:ea20b58bf112 | 21 | |
wolfSSL | 0:ea20b58bf112 | 22 | #include "mbed.h" |
wolfSSL | 0:ea20b58bf112 | 23 | #include "EthernetInterface.h" |
wolfSSL | 0:ea20b58bf112 | 24 | #include <stdio.h> |
wolfSSL | 0:ea20b58bf112 | 25 | #include <stdlib.h> |
wolfSSL | 0:ea20b58bf112 | 26 | #include <string.h> |
wolfSSL | 0:ea20b58bf112 | 27 | |
wolfSSL | 0:ea20b58bf112 | 28 | #define MAXDATASIZE (1024*4) |
wolfSSL | 0:ea20b58bf112 | 29 | |
wolfSSL | 0:ea20b58bf112 | 30 | static int getline(char *prompt, char *buff, int size) |
wolfSSL | 0:ea20b58bf112 | 31 | { |
wolfSSL | 0:ea20b58bf112 | 32 | int sz ; |
wolfSSL | 0:ea20b58bf112 | 33 | |
wolfSSL | 0:ea20b58bf112 | 34 | printf("%s", prompt) ; |
wolfSSL | 0:ea20b58bf112 | 35 | for(sz = 0 ; (sz < size) && ((*buff = getchar()) != '\r'); sz++, buff++) { |
wolfSSL | 0:ea20b58bf112 | 36 | putchar(*buff) ; |
wolfSSL | 0:ea20b58bf112 | 37 | if(*buff == '\\') { |
wolfSSL | 0:ea20b58bf112 | 38 | if(++sz >= size)break ; |
wolfSSL | 0:ea20b58bf112 | 39 | *buff = getchar() ; |
wolfSSL | 0:ea20b58bf112 | 40 | putchar(*buff) ; |
wolfSSL | 0:ea20b58bf112 | 41 | switch(*buff) { |
wolfSSL | 0:ea20b58bf112 | 42 | case 'n' : |
wolfSSL | 0:ea20b58bf112 | 43 | *buff = '\n' ; |
wolfSSL | 0:ea20b58bf112 | 44 | break ; |
wolfSSL | 0:ea20b58bf112 | 45 | case 'r' : |
wolfSSL | 0:ea20b58bf112 | 46 | *buff = '\r' ; |
wolfSSL | 0:ea20b58bf112 | 47 | break ; |
wolfSSL | 0:ea20b58bf112 | 48 | case 't' : |
wolfSSL | 0:ea20b58bf112 | 49 | *buff = '\t' ; |
wolfSSL | 0:ea20b58bf112 | 50 | break ; |
wolfSSL | 0:ea20b58bf112 | 51 | case '\\': |
wolfSSL | 0:ea20b58bf112 | 52 | *buff = '\\' ; |
wolfSSL | 0:ea20b58bf112 | 53 | break ; |
wolfSSL | 0:ea20b58bf112 | 54 | default: |
wolfSSL | 0:ea20b58bf112 | 55 | buff[1] = buff[0] ; |
wolfSSL | 0:ea20b58bf112 | 56 | buff[0] = '\\' ; |
wolfSSL | 0:ea20b58bf112 | 57 | buff++ ; |
wolfSSL | 0:ea20b58bf112 | 58 | } |
wolfSSL | 0:ea20b58bf112 | 59 | } else if(*buff == '\b') { |
wolfSSL | 0:ea20b58bf112 | 60 | if(sz >= 2) { |
wolfSSL | 0:ea20b58bf112 | 61 | buff-=2 ; |
wolfSSL | 0:ea20b58bf112 | 62 | sz-=2; |
wolfSSL | 0:ea20b58bf112 | 63 | } |
wolfSSL | 0:ea20b58bf112 | 64 | } |
wolfSSL | 0:ea20b58bf112 | 65 | } ; |
wolfSSL | 0:ea20b58bf112 | 66 | putchar('\n') ; |
wolfSSL | 0:ea20b58bf112 | 67 | *buff = '\0' ; |
wolfSSL | 0:ea20b58bf112 | 68 | return sz ; |
wolfSSL | 0:ea20b58bf112 | 69 | } |
wolfSSL | 0:ea20b58bf112 | 70 | |
wolfSSL | 0:ea20b58bf112 | 71 | /* |
wolfSSL | 0:ea20b58bf112 | 72 | * clients initial contact with server. Socket to connect to: sock |
wolfSSL | 0:ea20b58bf112 | 73 | */ |
wolfSSL | 0:ea20b58bf112 | 74 | int ClientGreet(TCPSocketConnection *socket) |
wolfSSL | 0:ea20b58bf112 | 75 | { |
wolfSSL | 0:ea20b58bf112 | 76 | /* data to send to the server, data recieved from the server */ |
wolfSSL | 0:ea20b58bf112 | 77 | char sendBuff[MAXDATASIZE], rcvBuff[MAXDATASIZE] = {0}; |
wolfSSL | 0:ea20b58bf112 | 78 | int ret ; |
wolfSSL | 0:ea20b58bf112 | 79 | |
wolfSSL | 0:ea20b58bf112 | 80 | ret = getline("Message for server: ", sendBuff, MAXDATASIZE); |
wolfSSL | 0:ea20b58bf112 | 81 | printf("Send[%d]:\n%s\n", ret, sendBuff) ; |
wolfSSL | 1:29638701a63a | 82 | if ((ret = socket->send(sendBuff, strlen(sendBuff)-1)) < 0) { |
wolfSSL | 0:ea20b58bf112 | 83 | printf("Send error: %i", ret); |
wolfSSL | 0:ea20b58bf112 | 84 | return EXIT_FAILURE; |
wolfSSL | 0:ea20b58bf112 | 85 | } |
wolfSSL | 0:ea20b58bf112 | 86 | printf("Recieved:\n"); |
wolfSSL | 0:ea20b58bf112 | 87 | while(1) { |
wolfSSL | 0:ea20b58bf112 | 88 | if ((ret = socket->receive(rcvBuff, sizeof(rcvBuff)-1)) < 0) { |
wolfSSL | 0:ea20b58bf112 | 89 | if(ret == 0)break ; |
wolfSSL | 0:ea20b58bf112 | 90 | printf("Read error. Error: %i\n", ret); |
wolfSSL | 0:ea20b58bf112 | 91 | return EXIT_FAILURE; |
wolfSSL | 0:ea20b58bf112 | 92 | } |
wolfSSL | 0:ea20b58bf112 | 93 | rcvBuff[ret] = '\0' ; |
wolfSSL | 0:ea20b58bf112 | 94 | printf("%s", rcvBuff); |
wolfSSL | 0:ea20b58bf112 | 95 | if((rcvBuff[ret-3] == '\n')&& |
wolfSSL | 0:ea20b58bf112 | 96 | (rcvBuff[ret-2] == '\n')&& |
wolfSSL | 0:ea20b58bf112 | 97 | (rcvBuff[ret-1] == '\n'))break ; |
wolfSSL | 0:ea20b58bf112 | 98 | } |
wolfSSL | 0:ea20b58bf112 | 99 | return ret; |
wolfSSL | 0:ea20b58bf112 | 100 | } |
wolfSSL | 0:ea20b58bf112 | 101 | |
wolfSSL | 0:ea20b58bf112 | 102 | /* |
wolfSSL | 0:ea20b58bf112 | 103 | * command line argumentCount and argumentValues |
wolfSSL | 0:ea20b58bf112 | 104 | */ |
wolfSSL | 1:29638701a63a | 105 | void net_main(const void *av) |
wolfSSL | 0:ea20b58bf112 | 106 | { |
wolfSSL | 1:29638701a63a | 107 | char server_addr[40] ; |
wolfSSL | 1:29638701a63a | 108 | char server_port[10] ; |
wolfSSL | 1:29638701a63a | 109 | |
wolfSSL | 0:ea20b58bf112 | 110 | EthernetInterface eth; |
wolfSSL | 0:ea20b58bf112 | 111 | TCPSocketConnection socket; |
wolfSSL | 0:ea20b58bf112 | 112 | |
wolfSSL | 0:ea20b58bf112 | 113 | eth.init(); //Use DHCP |
wolfSSL | 0:ea20b58bf112 | 114 | eth.connect(); |
wolfSSL | 0:ea20b58bf112 | 115 | printf("Client Addr: %s\n", eth.getIPAddress()); |
wolfSSL | 0:ea20b58bf112 | 116 | |
wolfSSL | 0:ea20b58bf112 | 117 | getline("Server Addr: ", server_addr, sizeof(server_addr)) ; |
wolfSSL | 0:ea20b58bf112 | 118 | getline("Server Port: ", server_port, sizeof(server_port)) ; |
wolfSSL | 0:ea20b58bf112 | 119 | |
wolfSSL | 0:ea20b58bf112 | 120 | while (socket.connect(server_addr, atoi(server_port)) < 0) { |
wolfSSL | 0:ea20b58bf112 | 121 | printf("Unable to connect to (%s) on port (%d)\n", server_addr, server_port); |
wolfSSL | 0:ea20b58bf112 | 122 | wait(1.0); |
wolfSSL | 0:ea20b58bf112 | 123 | } |
wolfSSL | 0:ea20b58bf112 | 124 | printf("TCP Connected\n") ; |
wolfSSL | 0:ea20b58bf112 | 125 | |
wolfSSL | 0:ea20b58bf112 | 126 | ClientGreet(&socket); |
wolfSSL | 1:29638701a63a | 127 | return ; |
wolfSSL | 1:29638701a63a | 128 | } |
wolfSSL | 1:29638701a63a | 129 | |
wolfSSL | 1:29638701a63a | 130 | int main(void) |
wolfSSL | 1:29638701a63a | 131 | { |
wolfSSL | 1:29638701a63a | 132 | #define STACK_SIZE 24000 |
wolfSSL | 1:29638701a63a | 133 | Thread t(net_main, NULL, osPriorityNormal, STACK_SIZE); |
wolfSSL | 1:29638701a63a | 134 | while(1)wait(1.0) ; |
wolfSSL | 0:ea20b58bf112 | 135 | } |