C++ (Cpp) ssl23_client_hello Examples

Example #1

File: s23_clnt.c Project: venkatarajasekhar/Qt

int ssl23_connect(SSL *s)
	{
	BUF_MEM *buf=NULL;
	unsigned long Time=(unsigned long)time(NULL);
	void (*cb)(const SSL *ssl,int type,int val)=NULL;
	int ret= -1;
	int new_state,state;

	RAND_add(&Time,sizeof(Time),0);
	ERR_clear_error();
	clear_sys_error();

	if (s->info_callback != NULL)
		cb=s->info_callback;
	else if (s->ctx->info_callback != NULL)
		cb=s->ctx->info_callback;
	
	s->in_handshake++;
	if (!SSL_in_init(s) || SSL_in_before(s)) SSL_clear(s); 

	for (;;)
		{
		state=s->state;

		switch(s->state)
			{
		case SSL_ST_BEFORE:
		case SSL_ST_CONNECT:
		case SSL_ST_BEFORE|SSL_ST_CONNECT:
		case SSL_ST_OK|SSL_ST_CONNECT:

			if (s->session != NULL)
				{
				SSLerr(SSL_F_SSL23_CONNECT,SSL_R_SSL23_DOING_SESSION_ID_REUSE);
				ret= -1;
				goto end;
				}
			s->server=0;
			if (cb != NULL) cb(s,SSL_CB_HANDSHAKE_START,1);

			/* s->version=TLS1_VERSION; */
			s->type=SSL_ST_CONNECT;

			if (s->init_buf == NULL)
				{
				if ((buf=BUF_MEM_new()) == NULL)
					{
					ret= -1;
					goto end;
					}
				if (!BUF_MEM_grow(buf,SSL3_RT_MAX_PLAIN_LENGTH))
					{
					ret= -1;
					goto end;
					}
				s->init_buf=buf;
				buf=NULL;
				}

			if (!ssl3_setup_buffers(s)) { ret= -1; goto end; }

			ssl3_init_finished_mac(s);

			s->state=SSL23_ST_CW_CLNT_HELLO_A;
			s->ctx->stats.sess_connect++;
			s->init_num=0;
			break;

		case SSL23_ST_CW_CLNT_HELLO_A:
		case SSL23_ST_CW_CLNT_HELLO_B:

			s->shutdown=0;
			ret=ssl23_client_hello(s);
			if (ret <= 0) goto end;
			s->state=SSL23_ST_CR_SRVR_HELLO_A;
			s->init_num=0;

			break;

		case SSL23_ST_CR_SRVR_HELLO_A:
		case SSL23_ST_CR_SRVR_HELLO_B:
			ret=ssl23_get_server_hello(s);
			if (ret >= 0) cb=NULL;
			goto end;
			/* break; */

		default:
			SSLerr(SSL_F_SSL23_CONNECT,SSL_R_UNKNOWN_STATE);
			ret= -1;
			goto end;
			/* break; */
			}

		if (s->debug) { (void)BIO_flush(s->wbio); }

		if ((cb != NULL) && (s->state != state))
			{
			new_state=s->state;
			s->state=state;
			cb(s,SSL_CB_CONNECT_LOOP,1);
			s->state=new_state;
			}
		}
end:
	s->in_handshake--;
	if (buf != NULL)
		BUF_MEM_free(buf);
	if (cb != NULL)
		cb(s,SSL_CB_CONNECT_EXIT,ret);
	return(ret);
	}

Example #2

File: s23_clnt.c Project: aburgh/openbsd

int
ssl23_connect(SSL *s)
{
	void (*cb)(const SSL *ssl, int type, int val) = NULL;
	int ret = -1;
	int new_state, state;

	ERR_clear_error();
	errno = 0;

	if (s->info_callback != NULL)
		cb = s->info_callback;
	else if (s->ctx->info_callback != NULL)
		cb = s->ctx->info_callback;

	s->in_handshake++;
	if (!SSL_in_init(s) || SSL_in_before(s))
		SSL_clear(s);

	for (;;) {
		state = s->state;

		switch (s->state) {
		case SSL_ST_BEFORE:
		case SSL_ST_CONNECT:
		case SSL_ST_BEFORE|SSL_ST_CONNECT:
		case SSL_ST_OK|SSL_ST_CONNECT:

			if (s->session != NULL) {
				SSLerr(SSL_F_SSL23_CONNECT, SSL_R_SSL23_DOING_SESSION_ID_REUSE);
				ret = -1;
				goto end;
			}
			s->server = 0;
			if (cb != NULL)
				cb(s, SSL_CB_HANDSHAKE_START, 1);

			/* s->version=TLS1_VERSION; */
			s->type = SSL_ST_CONNECT;

			if (!ssl3_setup_init_buffer(s)) {
				ret = -1;
				goto end;
			}
			if (!ssl3_setup_buffers(s)) {
				ret = -1;
				goto end;
			}
			if (!ssl3_init_finished_mac(s)) {
				ret = -1;
				goto end;
			}

			s->state = SSL23_ST_CW_CLNT_HELLO_A;
			s->ctx->stats.sess_connect++;
			s->init_num = 0;
			break;

		case SSL23_ST_CW_CLNT_HELLO_A:
		case SSL23_ST_CW_CLNT_HELLO_B:

			s->shutdown = 0;
			ret = ssl23_client_hello(s);
			if (ret <= 0)
				goto end;
			s->state = SSL23_ST_CR_SRVR_HELLO_A;
			s->init_num = 0;

			break;

		case SSL23_ST_CR_SRVR_HELLO_A:
		case SSL23_ST_CR_SRVR_HELLO_B:
			ret = ssl23_get_server_hello(s);
			if (ret >= 0)
				cb = NULL;
			goto end;
			/* break; */

		default:
			SSLerr(SSL_F_SSL23_CONNECT, SSL_R_UNKNOWN_STATE);
			ret = -1;
			goto end;
			/* break; */
		}

		if (s->debug) {
			(void)BIO_flush(s->wbio);
		}

		if ((cb != NULL) && (s->state != state)) {
			new_state = s->state;
			s->state = state;
			cb(s, SSL_CB_CONNECT_LOOP, 1);
			s->state = new_state;
		}
	}

end:
	s->in_handshake--;
	if (cb != NULL)
		cb(s, SSL_CB_CONNECT_EXIT, ret);

	return (ret);
}