Added example that has the CA callback “wolfSSL_CTX_SetCACb” API and shows how to print information for the X509. This works only with OPENSSL_EXTRA defined. Fixed typo in server epoll examples.
David Garske
parent
31cbabc7eb
commit
0ab56e39f2
|
|
@ -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 <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <arpa/inet.h>
|
||||
|
||||
#include <wolfssl/options.h>
|
||||
#include <wolfssl/ssl.h> /* wolfSSL security library */
|
||||
#include <wolfssl/wolfcrypt/types.h>
|
||||
|
||||
#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 <IP address>\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;
|
||||
}
|
||||
|
|
@ -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"
|
||||
|
|
|
|||
|
|
@ -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"
|
||||
|
|
|
|||
Loading…
Reference in New Issue