Ejemplo n.º 1
0
void credssp_send(rdpCredssp* credssp)
{
	STREAM* s;
	int length;
	int ts_request_length;
	int nego_tokens_length;
	int pub_key_auth_length;
	int auth_info_length;

	nego_tokens_length = (credssp->negoToken.cbBuffer > 0) ? credssp_skip_nego_tokens(credssp->negoToken.cbBuffer) : 0;
	pub_key_auth_length = (credssp->pubKeyAuth.cbBuffer > 0) ? credssp_skip_pub_key_auth(credssp->pubKeyAuth.cbBuffer) : 0;
	auth_info_length = (credssp->authInfo.cbBuffer > 0) ? credssp_skip_auth_info(credssp->authInfo.cbBuffer) : 0;

	length = nego_tokens_length + pub_key_auth_length + auth_info_length;
	ts_request_length = credssp_skip_ts_request(length);

	s = stream_new(ts_request_length);

	/* TSRequest */
	length = der_get_content_length(ts_request_length);
	der_write_sequence_tag(s, length); /* SEQUENCE */

	/* [0] version */
	ber_write_contextual_tag(s, 0, 3, true);
	ber_write_integer(s, 2); /* INTEGER */

	/* [1] negoTokens (NegoData) */
	if (nego_tokens_length > 0)
	{
		length = der_get_content_length(nego_tokens_length);
		length -= der_write_contextual_tag(s, 1, length, true); /* NegoData */
		length -= der_write_sequence_tag(s, length); /* SEQUENCE OF NegoDataItem */
		length -= der_write_sequence_tag(s, length); /* NegoDataItem */
		length -= der_write_contextual_tag(s, 0, length, true); /* [0] negoToken */
		der_write_octet_string(s, (uint8*) credssp->negoToken.pvBuffer, length); /* OCTET STRING */
	}

	/* [2] authInfo (OCTET STRING) */
	if (auth_info_length > 0)
	{
		length = ber_get_content_length(auth_info_length);
		length -= ber_write_contextual_tag(s, 2, length, true);
		ber_write_octet_string(s, credssp->authInfo.pvBuffer, credssp->authInfo.cbBuffer);
	}

	/* [3] pubKeyAuth (OCTET STRING) */
	if (pub_key_auth_length > 0)
	{
		length = ber_get_content_length(pub_key_auth_length);
		length -= ber_write_contextual_tag(s, 3, length, true);
		ber_write_octet_string(s, credssp->pubKeyAuth.pvBuffer, length);
	}

	//printf("Sending TSRequest: (%d)\n", stream_get_length(s));
	//freerdp_hexdump(s->data, stream_get_length(s));

	tls_write(credssp->tls, s->data, stream_get_length(s));
	stream_free(s);
}
Ejemplo n.º 2
0
void credssp_send(rdpCredssp* credssp)
{
    wStream* s;
    int length;
    int ts_request_length;
    int nego_tokens_length;
    int pub_key_auth_length;
    int auth_info_length;

    nego_tokens_length = (credssp->negoToken.cbBuffer > 0) ? credssp_skip_nego_tokens(credssp->negoToken.cbBuffer) : 0;
    pub_key_auth_length = (credssp->pubKeyAuth.cbBuffer > 0) ? credssp_skip_pub_key_auth(credssp->pubKeyAuth.cbBuffer) : 0;
    auth_info_length = (credssp->authInfo.cbBuffer > 0) ? credssp_skip_auth_info(credssp->authInfo.cbBuffer) : 0;

    length = nego_tokens_length + pub_key_auth_length + auth_info_length;
    ts_request_length = credssp_skip_ts_request(length);

    s = stream_new(ts_request_length);

    /* TSRequest */
    length = der_get_content_length(ts_request_length);
    der_write_sequence_tag(s, length); /* SEQUENCE */

    /* [0] version */
    ber_write_contextual_tag(s, 0, 3, TRUE);
    ber_write_integer(s, 2); /* INTEGER */

    /* [1] negoTokens (NegoData) */
    if (nego_tokens_length > 0)
    {
        length = nego_tokens_length;
        length -= der_write_contextual_tag(s, 1, der_get_content_length(length), TRUE); /* NegoData */
        length -= der_write_sequence_tag(s, der_get_content_length(length)); /* SEQUENCE OF NegoDataItem */
        length -= der_write_sequence_tag(s, der_get_content_length(length)); /* NegoDataItem */
        length -= der_write_contextual_tag(s, 0, der_get_content_length(length), TRUE); /* [0] negoToken */
        der_write_octet_string(s, (BYTE*) credssp->negoToken.pvBuffer, credssp->negoToken.cbBuffer); /* OCTET STRING */
    }

    /* [2] authInfo (OCTET STRING) */
    if (auth_info_length > 0)
    {
        length = auth_info_length;
        length -= ber_write_contextual_tag(s, 2, ber_get_content_length(length), TRUE);
        ber_write_octet_string(s, credssp->authInfo.pvBuffer, credssp->authInfo.cbBuffer);
    }

    /* [3] pubKeyAuth (OCTET STRING) */
    if (pub_key_auth_length > 0)
    {
        length = pub_key_auth_length;
        length -= ber_write_contextual_tag(s, 3, ber_get_content_length(length), TRUE);
        ber_write_octet_string(s, credssp->pubKeyAuth.pvBuffer, credssp->pubKeyAuth.cbBuffer);
    }

    transport_write(credssp->transport, s);
    stream_free(s);
}
Ejemplo n.º 3
0
void credssp_send(rdpCredssp* credssp, SEC_BUFFER* negoToken, SEC_BUFFER* authInfo, SEC_BUFFER* pubKeyAuth)
{
	STREAM* s;
	int length;
	int ts_request_length;
	int nego_tokens_length;
	int pub_key_auth_length;
	int auth_info_length;

	nego_tokens_length = (negoToken != NULL) ? credssp_skip_nego_tokens(negoToken->cbBuffer) : 0;
	pub_key_auth_length = (pubKeyAuth != NULL) ? credssp_skip_pub_key_auth(pubKeyAuth->cbBuffer) : 0;
	auth_info_length = (authInfo != NULL) ? credssp_skip_auth_info(authInfo->cbBuffer) : 0;

	length = nego_tokens_length + pub_key_auth_length + auth_info_length;
	ts_request_length = credssp_skip_ts_request(length);

	s = stream_new(ts_request_length);

	/* TSRequest */
	length = ber_get_content_length(ts_request_length);
	ber_write_sequence_tag(s, length); /* SEQUENCE */
	ber_write_contextual_tag(s, 0, 3, true); /* [0] version */
	ber_write_integer(s, 2); /* INTEGER */

	/* [1] negoTokens (NegoData) */
	if (nego_tokens_length > 0)
	{
		length = ber_get_content_length(nego_tokens_length);
		length -= ber_write_contextual_tag(s, 1, length, true); /* NegoData */
		length -= ber_write_sequence_tag(s, length); /* SEQUENCE OF NegoDataItem */
		length -= ber_write_sequence_tag(s, length); /* NegoDataItem */
		length -= ber_write_contextual_tag(s, 0, length, true); /* [0] negoToken */
		ber_write_octet_string(s, negoToken->pvBuffer, length); /* OCTET STRING */
	}

	/* [2] authInfo (OCTET STRING) */
	if (auth_info_length > 0)
	{
		length = ber_get_content_length(auth_info_length);
		length -= ber_write_contextual_tag(s, 2, length, true);
		ber_write_octet_string(s, authInfo->pvBuffer, authInfo->cbBuffer);
	}

	/* [3] pubKeyAuth (OCTET STRING) */
	if (pub_key_auth_length > 0)
	{
		length = ber_get_content_length(pub_key_auth_length);
		length -= ber_write_contextual_tag(s, 3, length, true);
		ber_write_octet_string(s, pubKeyAuth->pvBuffer, length);
	}

	tls_write(credssp->tls, s->data, stream_get_length(s));
	stream_free(s);
}