Пример #1
0
int main(int argc, char** argv)
{

    int    sockfd;
    struct sockaddr_in servAddr;
    
    if (argc != 2) {
        printf("usage: udpcli <IP address>\n");
        return 1;
    }

    if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
       printf("cannot create a socket.");
       return 1;
    } 

    memset(&servAddr, sizeof(servAddr), 0);
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(SERV_PORT);
    inet_pton(AF_INET, argv[1], &servAddr.sin_addr);

    DatagramClient(stdin, sockfd, (struct sockaddr*) &servAddr, 
                   sizeof(servAddr));

    return 0;
}
int main (int argc, char** argv) 
{
    int     		sockfd = 0;
    struct  		sockaddr_in servAddr;
    const char* 	host = argv[1];
    CYASSL* 		ssl = 0;
    CYASSL_CTX* 	ctx = 0;
    CYASSL* 		sslResume = 0;
    CYASSL_SESSION*	session = 0;
    int     		resumeSession = 0;
    char            cert_array[] = "../cyassl/certs/ca-cert.pem";
    char*           certs = cert_array;
    char*           srTest = "testing session resume";
    
    if (argc != 2) {
	    printf("usage: udpcli <IP address>\n");
        return 1;
    }

    CyaSSL_Init();

    /* CyaSSL_Debugging_ON();*/

    if ( (ctx = CyaSSL_CTX_new(CyaDTLSv1_2_client_method())) == NULL) {
	    fprintf(stderr, "CyaSSL_CTX_new error.\n");
	    return(EXIT_FAILURE);
    }

    if (CyaSSL_CTX_load_verify_locations(ctx,certs, 0) != SSL_SUCCESS) {
	    fprintf(stderr, "Error loading %s, please check the file.\n", certs);
	    return(EXIT_FAILURE);
    }

    ssl = CyaSSL_new(ctx);
    if (ssl == NULL) {
	    printf("unable to get ssl object");
        return 1;
    }

    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(SERV_PORT);
    if (inet_pton(AF_INET, host, &servAddr.sin_addr) < 1) {
        printf("Error and/or invalid IP address");
        return 1;
    }

    CyaSSL_dtls_set_peer(ssl, &servAddr, sizeof(servAddr));

    if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { 
    	printf("cannot create a socket."); 
        return 1;
    }

    CyaSSL_set_fd(ssl, sockfd);
    CyaSSL_set_using_nonblock(ssl, 1);
    fcntl(sockfd, F_SETFL, O_NONBLOCK);
    NonBlockingDTLS_Connect(ssl);

    DatagramClient(ssl);
    while ( (CyaSSL_write(ssl, srTest, sizeof(srTest))) != sizeof(srTest)) { 
	    printf("failed to write");
        return 1;
    }

    session = CyaSSL_get_session(ssl);
    sslResume = CyaSSL_new(ctx);

    CyaSSL_shutdown(ssl);
    CyaSSL_free(ssl);
    close(sockfd);

    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(SERV_PORT);
    if (inet_pton(AF_INET, host, &servAddr.sin_addr) < 1) {
        printf("Error and/or invalid IP address");
        return 1;
    }

    CyaSSL_dtls_set_peer(sslResume, &servAddr, sizeof(servAddr));

    if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { 
	   printf("cannot create a socket.");
    return 1; 
    }

    CyaSSL_set_fd(sslResume, sockfd);
    CyaSSL_set_session(sslResume, session);
    CyaSSL_set_using_nonblock(sslResume, 1);
    fcntl(sockfd, F_SETFL, O_NONBLOCK);
    NonBlockingDTLS_Connect(sslResume);

    if(CyaSSL_session_reused(sslResume))
	    printf("reused session id\n");
    else
	    printf("didn't reuse session id!!!\n");

    DatagramClient(sslResume);
    while ((CyaSSL_write(sslResume, srTest, sizeof(srTest))) != sizeof(srTest))
    { 
	    printf("failed to write");
        return 1;
    }
    sleep(1);

    CyaSSL_shutdown(sslResume);
    CyaSSL_free(sslResume);
   
    close(sockfd);
    CyaSSL_CTX_free(ctx);
    CyaSSL_Cleanup();

    return 0;
}
int main (int argc, char** argv) 
{
    int     		sockfd = 0;
    struct  		sockaddr_in servAddr;
    const char* 	host = argv[1];
    CYASSL* 		ssl = 0;
    CYASSL_CTX* 	ctx = 0;
    CYASSL* 		sslResume = 0;
    CYASSL_SESSION*	session = 0;
    char*    		srTest = "testing session resume";
    char            cert_array[] = "../certs/ca-cert.pem";
    char*           certs = cert_array;
    if (argc != 2) { 
        printf("usage: udpcli <IP address>\n");
        return 1;
    }

    CyaSSL_Init();
    /* CyaSSL_Debugging_ON(); */
   
    if ( (ctx = CyaSSL_CTX_new(CyaDTLSv1_2_client_method())) == NULL) {
        fprintf(stderr, "CyaSSL_CTX_new error.\n");
        return 1;
    }

    if (CyaSSL_CTX_load_verify_locations(ctx, certs, 0) != SSL_SUCCESS) {
        fprintf(stderr, "Error loading %s, please check the file.\n", certs);
        return 1;
    }

    ssl = CyaSSL_new(ctx);
    if (ssl == NULL) {
    	printf("unable to get ssl object");
        return 1;
    }
    
    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(SERV_PORT);
    if ( (inet_pton(AF_INET, host, &servAddr.sin_addr)) < 1) {
        printf("Error and/or invalid IP address");
        return 1;
    }

    CyaSSL_dtls_set_peer(ssl, &servAddr, sizeof(servAddr));
    
    if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { 
       printf("cannot create a socket."); 
       return 1;
    }
    
    CyaSSL_set_fd(ssl, sockfd);
    if (CyaSSL_connect(ssl) != SSL_SUCCESS) {
	    int err1 = CyaSSL_get_error(ssl, 0);
	    char buffer[80];
	    printf("err = %d, %s\n", err1, CyaSSL_ERR_error_string(err1, buffer));
	    printf("SSL_connect failed");
        return 1;
    }
    
    DatagramClient(ssl);
    CyaSSL_write(ssl, srTest, sizeof(srTest));
    session = CyaSSL_get_session(ssl);
    sslResume = CyaSSL_new(ctx);

    CyaSSL_shutdown(ssl);
    CyaSSL_free(ssl);
    close(sockfd);

    memset(&servAddr, 0, sizeof(servAddr));
    servAddr.sin_family = AF_INET;
    servAddr.sin_port = htons(SERV_PORT);
    if ( (inet_pton(AF_INET, host, &servAddr.sin_addr)) < 1) {
        printf("Error and/or invalid IP address");
        return 1;
    }

    CyaSSL_dtls_set_peer(sslResume, &servAddr, sizeof(servAddr));
   
    if ( (sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { 
        printf("cannot create a socket.");
        return 1;
    } 
    
    CyaSSL_set_fd(sslResume, sockfd);
    CyaSSL_set_session(sslResume, session);

    if (CyaSSL_connect(sslResume) != SSL_SUCCESS) { 
	    printf("SSL_connect failed");
        return 1;
    }

    if(CyaSSL_session_reused(sslResume))
    	printf("reused session id\n");
    else
    	printf("didn't reuse session id!!!\n");
    
    DatagramClient(sslResume);
    
    CyaSSL_write(sslResume, srTest, sizeof(srTest));

    CyaSSL_shutdown(sslResume);
    CyaSSL_free(sslResume);
    
    close(sockfd);
    CyaSSL_CTX_free(ctx);
    CyaSSL_Cleanup();

    return 0;
}