mirror of https://github.com/FreeRDP/FreeRDP
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
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/**
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* FreeRDP: A Remote Desktop Protocol Client
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* ASN.1 Packed Encoding Rules (BER)
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*
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* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "per.h"
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void
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per_write_length(STREAM* s, int length)
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{
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if (length > 0x7F)
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stream_write_uint16_be(s, (length | 0x8000));
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else
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stream_write_uint8(s, length);
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}
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void
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per_write_object_identifier(STREAM* s, uint8 oid[6])
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{
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uint8 t12 = (oid[0] << 4) & (oid[1] & 0x0F);
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stream_write_uint8(s, 5); /* length */
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stream_write_uint8(s, t12); /* first two tuples */
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stream_write_uint8(s, oid[2]); /* tuple 3 */
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stream_write_uint8(s, oid[3]); /* tuple 4 */
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stream_write_uint8(s, oid[4]); /* tuple 5 */
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stream_write_uint8(s, oid[5]); /* tuple 6 */
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}
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