add client-tls-writedup example
toddouska
parent
1d2af8097f
commit
8dcabdc1cd
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@ -54,6 +54,7 @@ android/wolfssljni-ndk-sample/proguard-project.txt
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/tls/client-tls-nonblocking
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/tls/client-tls-resume
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/tls/client-tls
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/tls/client-tls-writedup
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/tls/client-tcp
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/tls/memory-tls
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/tls/server-callback
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@ -69,9 +69,9 @@ endif
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# $(info $$CPU_DET is [${CPU_DET}])
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ifeq ($(OS_DET),LINUX)
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all: client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-perf client-tls-resume client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-tls-epoll-perf server-callback server-tls-epoll-threaded
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all: client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-perf client-tls-resume client-tls-writedup client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-tls-epoll-perf server-callback server-tls-epoll-threaded
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else
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all: client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-resume client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-callback
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all: client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-resume client-tls-writedup client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-callback
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endif
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client-tcp: client-tcp.o
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@ -95,6 +95,9 @@ client-tls-perf: client-tls-perf.o
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client-tls-resume: client-tls-resume.o
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$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
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client-tls-writedup: client-tls-writedup.o
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$(CC) -o $@ $^ $(CFLAGS) $(LIBS) -lpthread
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client-callback: client-callback.o
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$(CC) -o $@ $^ $(CFLAGS) $(LIBS)
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@ -125,4 +128,4 @@ server-tls-epoll-threaded: server-tls-epoll-threaded.o
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.PHONY: clean all
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clean:
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rm -f *.o client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-perf client-tls-resume client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-tls-epoll-perf server-callback server-tls-epoll-threaded
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rm -f *.o client-tcp client-tls client-tls-nonblocking client-tls-ecdhe server-tls-ecdhe client-tls-perf client-tls-resume client-tls-writedup client-callback memory-tls server-tcp server-tls server-tls-nonblocking server-tls-threaded server-tls-epoll-perf server-callback server-tls-epoll-threaded
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@ -0,0 +1,209 @@
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/* client-tls-writedup.c
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*
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* Copyright (C) 2006-2017 wolfSSL Inc.
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*
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* This file is part of wolfSSL. (formerly known as CyaSSL)
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/* run this example with
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valgrind --tool=drd ./client-tls-writedup 127.0.0.1
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against our examples/echoserver/echoserver
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if wolfSSL is not built with --enable-writedup we should see threading errors
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if it is built with --enable-writedup, no errors should be present
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <arpa/inet.h>
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#include <pthread.h>
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#include <wolfssl/options.h> /* wolfSSL build options */
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#include <wolfssl/ssl.h> /* wolfSSL security library */
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#define MAXDATASIZE 256 /* maximum acceptable amount of data */
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#define MAXTIMES 1024*4
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#define SERV_PORT 11111 /* define default port number */
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const char* cert = "../certs/ca-cert.pem";
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const char* eccCert = "../certs/server-ecc.pem";
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static void* ReadSSL(void* args)
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{
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WOLFSSL* ssl = (WOLFSSL*)args;
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/* data recieved from the server */
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char recvBuff[MAXDATASIZE] = {0};
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int ret = 0; /* variable for error checking */
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int i;
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for (i = 0; i < MAXTIMES; i++) {
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if (wolfSSL_read(ssl, recvBuff, MAXDATASIZE) < 0) {
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/* the message is not able to send, or error trying */
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ret = wolfSSL_get_error(ssl, 0);
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printf("Read error: Error: %i\n", ret);
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break;
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}
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}
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return NULL;
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}
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/*
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* clients initial contact with server. (socket to connect, security layer)
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*/
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static int WriteSSL(WOLFSSL* ssl)
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{
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/* data to send to the server, data recieved from the server */
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char sendBuff[MAXDATASIZE] = {0};
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int ret = 0; /* variable for error checking */
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int i;
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for (i = 0; i < sizeof(sendBuff); i++) {
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sendBuff[i] = i+1;
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}
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for (i = 0; i < MAXTIMES; i++) {
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if (wolfSSL_write(ssl, sendBuff, MAXDATASIZE) != MAXDATASIZE) {
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/* the message is not able to send, or error trying */
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ret = wolfSSL_get_error(ssl, 0);
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printf("Write error: Error: %i\n", ret);
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return EXIT_FAILURE;
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}
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}
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return ret;
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}
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/*
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* applies TLS 1.2 security layer to data being sent.
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*/
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int Security(int sock)
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{
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WOLFSSL_CTX* ctx;
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WOLFSSL* ssl; /* create WOLFSSL object */
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int ret = 0;
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wolfSSL_Init(); /* initialize wolfSSL */
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/* create and initiLize WOLFSSL_CTX structure */
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if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) {
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printf("SSL_CTX_new error.\n");
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return EXIT_FAILURE;
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}
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/* load CA certificates into wolfSSL_CTX. which will verify the server */
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if (wolfSSL_CTX_load_verify_locations(ctx, cert, 0) != SSL_SUCCESS) {
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printf("Error loading %s. Please check the file.\n", cert);
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return EXIT_FAILURE;
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}
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/* load ECC CA into wolfSSL_CTX. which will verify the server */
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if (wolfSSL_CTX_load_verify_locations(ctx, eccCert, 0) != SSL_SUCCESS) {
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printf("Error loading %s. Please check the file.\n", eccCert);
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return EXIT_FAILURE;
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}
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if ((ssl = wolfSSL_new(ctx)) == NULL) {
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printf("wolfSSL_new error.\n");
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return EXIT_FAILURE;
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}
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wolfSSL_set_fd(ssl, sock);
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ret = wolfSSL_connect(ssl);
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if (ret == SSL_SUCCESS) {
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/* start client thread */
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WOLFSSL* write_ssl = ssl;
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#ifdef HAVE_WRITE_DUP
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write_ssl = wolfSSL_write_dup(ssl);
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if (write_ssl == NULL) {
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printf("wolfSSL_write_dup error.\n");
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return EXIT_FAILURE;
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}
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#else
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#warning "client-tls-writedup not built with HAVE_WRITE_DUP"
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#endif
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pthread_t tid;
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pthread_create(&tid, NULL, ReadSSL, ssl);
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ret = WriteSSL(write_ssl);
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pthread_join(tid, NULL);
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} else {
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printf("wolfSSL_connect err = %d\n", wolfSSL_get_error(ssl, 0));
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return EXIT_FAILURE;
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}
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/* frees all data before client termination */
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wolfSSL_free(ssl);
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wolfSSL_CTX_free(ctx);
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wolfSSL_Cleanup();
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return ret;
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}
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/*
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* Command line argumentCount and argumentValues
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*/
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int main(int argc, char** argv)
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{
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int sockfd; /* socket file descriptor */
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struct sockaddr_in servAddr; /* struct for server address */
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int ret = 0; /* variable for error checking */
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if (argc != 2) {
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/* if the number of arguments is not two, error */
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printf("usage: ./client-tcp <IP address>\n");
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return EXIT_FAILURE;
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}
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/* internet address family, stream based tcp, default protocol */
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sockfd = socket(AF_INET, SOCK_STREAM, 0);
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if (sockfd < 0) {
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printf("Failed to create socket. Error: %i\n", errno);
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return EXIT_FAILURE;
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}
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memset(&servAddr, 0, sizeof(servAddr)); /* clears memory block for use */
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servAddr.sin_family = AF_INET; /* sets addressfamily to internet*/
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servAddr.sin_port = htons(SERV_PORT); /* sets port to defined port */
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/* looks for the server at the entered address (ip in the command line) */
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if (inet_pton(AF_INET, argv[1], &servAddr.sin_addr) < 1) {
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/* checks validity of address */
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ret = errno;
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printf("Invalid Address. Error: %i\n", ret);
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return EXIT_FAILURE;
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}
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if (connect(sockfd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) {
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/* if socket fails to connect to the server*/
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ret = errno;
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printf("Connect error. Error: %i\n", ret);
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return EXIT_FAILURE;
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}
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Security(sockfd);
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return ret;
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}
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