diff --git a/tls/client-tls-cacb.c b/tls/client-tls-cacb.c new file mode 100644 index 00000000..6e4d76b9 --- /dev/null +++ b/tls/client-tls-cacb.c @@ -0,0 +1,208 @@ +/* client-tls-cacb.c + * + * Copyright (C) 2006-2015 wolfSSL Inc. + * + * This file is part of wolfSSL. (formerly known as CyaSSL) + * + * wolfSSL is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * wolfSSL is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ +#include +#include +#include +#include +#include + +#include +#include /* wolfSSL security library */ +#include + +#define MAXDATASIZE 4096 /* maximum acceptable amount of data */ +#define SERV_PORT 11111 /* define default port number */ + +const char* cert = "../certs/ca-cert.pem"; + +/* + * clients initial contact with server. (socket to connect, security layer) + */ +int ClientGreet(int sock, WOLFSSL* ssl) +{ + /* data to send to the server, data recieved from the server */ + char sendBuff[MAXDATASIZE], rcvBuff[MAXDATASIZE] = {0}; + int ret = 0; /* variable for error checking */ + + printf("Message for server:\t"); + fgets(sendBuff, MAXDATASIZE, stdin); + + if (wolfSSL_write(ssl, sendBuff, strlen(sendBuff)) != strlen(sendBuff)) { + /* the message is not able to send, or error trying */ + ret = wolfSSL_get_error(ssl, 0); + printf("Write error: Error: %i\n", ret); + return EXIT_FAILURE; + } + + if (wolfSSL_read(ssl, rcvBuff, MAXDATASIZE) < 0) { + /* the server failed to send data, or error trying */ + ret = wolfSSL_get_error(ssl, 0); + printf("Read error. Error: %i\n", ret); + return EXIT_FAILURE; + } + printf("Recieved: \t%s\n", rcvBuff); + + return ret; +} + +static void CaCb(unsigned char* der, int sz, int type) +{ +#ifdef OPENSSL_EXTRA + WOLFSSL_X509* x509; +#endif + + printf("CA cache add callback: derSz = %d, type = %d\n", sz, type); + +#ifdef OPENSSL_EXTRA + /* Load DER to Cert */ + x509 = wolfSSL_X509_d2i(NULL, der, sz); + if (x509) { + char* altName; + char* issuer; + char* subject; + unsigned char serial[32]; + int ret; + int sz = sizeof(serial); + + WOLFSSL_X509_NAME* issureName = wolfSSL_X509_get_issuer_name(x509); + WOLFSSL_X509_NAME* subjectName = wolfSSL_X509_get_subject_name(x509); + issuer = wolfSSL_X509_NAME_oneline(issureName, 0, 0); + subject = wolfSSL_X509_NAME_oneline(subjectName, 0, 0); + + printf("\tIssuer : %s\n\tSubject: %s\n", issuer, subject); + + while ( (altName = wolfSSL_X509_get_next_altname(x509)) != NULL) { + printf("\tAltName = %s\n", altName); + } + + ret = wolfSSL_X509_get_serial_number(x509, serial, &sz); + if (ret == SSL_SUCCESS) { + int i; + int strLen; + char serialMsg[80]; + + /* testsuite has multiple threads writing to stdout, get output + message ready to write once */ + strLen = sprintf(serialMsg, "\tSerial Number"); + for (i = 0; i < sz; i++) + sprintf(serialMsg + strLen + (i*3), ":%02x ", serial[i]); + printf("%s\n", serialMsg); + } + + XFREE(subject, 0, DYNAMIC_TYPE_OPENSSL); + XFREE(issuer, 0, DYNAMIC_TYPE_OPENSSL); + + wolfSSL_X509_free(x509); + } +#endif + + (void)der; +} + +/* + * applies TLS 1.2 security layer to data being sent. + */ +int Security(int sock) +{ + WOLFSSL_CTX* ctx; + WOLFSSL* ssl; /* create WOLFSSL object */ + int ret = 0; + + wolfSSL_Init(); /* initialize wolfSSL */ + + /* create and initiLize WOLFSSL_CTX structure */ + if ((ctx = wolfSSL_CTX_new(wolfTLSv1_2_client_method())) == NULL) { + printf("SSL_CTX_new error.\n"); + return EXIT_FAILURE; + } + + /* set callback for action when CA's are added */ + wolfSSL_CTX_SetCACb(ctx, CaCb); + + /* load CA certificates into wolfSSL_CTX. which will verify the server */ + if (wolfSSL_CTX_load_verify_locations(ctx, cert, 0) != SSL_SUCCESS) { + printf("Error loading %s. Please check the file.\n", cert); + return EXIT_FAILURE; + } + if ((ssl = wolfSSL_new(ctx)) == NULL) { + printf("wolfSSL_new error.\n"); + return EXIT_FAILURE; + } + wolfSSL_set_fd(ssl, sock); + + ret = wolfSSL_connect(ssl); + if (ret == SSL_SUCCESS) { + ret = ClientGreet(sock, ssl); + } + + /* frees all data before client termination */ + wolfSSL_free(ssl); + wolfSSL_CTX_free(ctx); + wolfSSL_Cleanup(); + + return ret; +} + +/* + * Command line argumentCount and argumentValues + */ +int main(int argc, char** argv) +{ + int sockfd; /* socket file descriptor */ + struct sockaddr_in servAddr; /* struct for server address */ + int ret = 0; /* variable for error checking */ + + if (argc != 2) { + /* if the number of arguments is not two, error */ + printf("usage: ./client-tcp \n"); + return EXIT_FAILURE; + } + + /* internet address family, stream based tcp, default protocol */ + sockfd = socket(AF_INET, SOCK_STREAM, 0); + + if (sockfd < 0) { + printf("Failed to create socket. Error: %i\n", errno); + return EXIT_FAILURE; + } + + memset(&servAddr, 0, sizeof(servAddr)); /* clears memory block for use */ + servAddr.sin_family = AF_INET; /* sets addressfamily to internet*/ + servAddr.sin_port = htons(SERV_PORT); /* sets port to defined port */ + + /* looks for the server at the entered address (ip in the command line) */ + if (inet_pton(AF_INET, argv[1], &servAddr.sin_addr) < 1) { + /* checks validity of address */ + ret = errno; + printf("Invalid Address. Error: %i\n", ret); + return EXIT_FAILURE; + } + + if (connect(sockfd, (struct sockaddr *) &servAddr, sizeof(servAddr)) < 0) { + /* if socket fails to connect to the server*/ + ret = errno; + printf("Connect error. Error: %i\n", ret); + return EXIT_FAILURE; + } + Security(sockfd); + + return ret; +} diff --git a/tls/server-tls-epoll-perf.c b/tls/server-tls-epoll-perf.c index f5b49757..4164ebfa 100644 --- a/tls/server-tls-epoll-perf.c +++ b/tls/server-tls-epoll-perf.c @@ -577,7 +577,7 @@ static int SSLConn_ReadWrite(SSLConn_CTX* ctx, SSLConn* sslConn) */ static void SSLConn_PrintStats(SSLConn_CTX* ctx) { - fprintf(stderr, "wolfSSL Client Benchmark %d bytes\n" + fprintf(stderr, "wolfSSL Server Benchmark %d bytes\n" "\tNum Conns : %9d\n" "\tTotal : %9.3f ms\n" "\tTotal Avg : %9.3f ms\n" diff --git a/tls/server-tls-epoll-threaded.c b/tls/server-tls-epoll-threaded.c index 3aaa6b6c..c4c620de 100644 --- a/tls/server-tls-epoll-threaded.c +++ b/tls/server-tls-epoll-threaded.c @@ -685,7 +685,7 @@ static int SSLConn_ReadWrite(SSLConn_CTX* ctx, ThreadData* threadData, */ static void SSLConn_PrintStats(SSLConn_CTX* ctx) { - fprintf(stderr, "wolfSSL Client Benchmark %d bytes\n" + fprintf(stderr, "wolfSSL Server Benchmark %d bytes\n" "\tNum Conns : %9d\n" "\tTotal : %9.3f ms\n" "\tTotal Avg : %9.3f ms\n"