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Diffstat (limited to 'include/freerdp/crypto/ber.h')
| -rw-r--r-- | include/freerdp/crypto/ber.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/freerdp/crypto/ber.h b/include/freerdp/crypto/ber.h new file mode 100644 index 0000000..072517c --- /dev/null +++ b/include/freerdp/crypto/ber.h @@ -0,0 +1,106 @@ +/** + * FreeRDP: A Remote Desktop Protocol Implementation + * ASN.1 Basic Encoding Rules (BER) + * + * Copyright 2011-2012 Marc-Andre Moreau <marcandre.moreau@gmail.com> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef FREERDP_CRYPTO_BER_H +#define FREERDP_CRYPTO_BER_H + +#include <freerdp/api.h> +#include <freerdp/types.h> + +#include <winpr/stream.h> + +/* BER type */ + +/* Class - bits 8 and 7 */ +#define BER_CLASS_MASK 0xC0 +#define BER_CLASS_UNIV 0x00 /* 0 0 */ +#define BER_CLASS_APPL 0x40 /* 0 1 */ +#define BER_CLASS_CTXT 0x80 /* 1 0 */ +#define BER_CLASS_PRIV 0xC0 /* 1 1 */ + +/* P/C - bit 6 */ +#define BER_PC_MASK 0x20 +#define BER_PRIMITIVE 0x00 /* 0 */ +#define BER_CONSTRUCT 0x20 /* 1 */ + +/* Tag - bits 5 to 1 */ +#define BER_TAG_MASK 0x1F +#define BER_TAG_BOOLEAN 0x01 +#define BER_TAG_INTEGER 0x02 +#define BER_TAG_BIT_STRING 0x03 +#define BER_TAG_OCTET_STRING 0x04 +#define BER_TAG_OBJECT_IDENFIER 0x06 +#define BER_TAG_ENUMERATED 0x0A +#define BER_TAG_SEQUENCE 0x10 +#define BER_TAG_SEQUENCE_OF 0x10 + +#define BER_PC(_pc) (_pc ? BER_CONSTRUCT : BER_PRIMITIVE) + +#ifdef __cplusplus +extern "C" +{ +#endif + + FREERDP_API BOOL ber_read_length(wStream* s, size_t* length); + FREERDP_API size_t ber_write_length(wStream* s, size_t length); + FREERDP_API size_t _ber_sizeof_length(size_t length); + FREERDP_API BOOL ber_read_universal_tag(wStream* s, BYTE tag, BOOL pc); + FREERDP_API size_t ber_write_universal_tag(wStream* s, BYTE tag, BOOL pc); + FREERDP_API BOOL ber_read_application_tag(wStream* s, BYTE tag, size_t* length); + FREERDP_API void ber_write_application_tag(wStream* s, BYTE tag, size_t length); + FREERDP_API BOOL ber_read_enumerated(wStream* s, BYTE* enumerated, BYTE count); + FREERDP_API void ber_write_enumerated(wStream* s, BYTE enumerated, BYTE count); + FREERDP_API BOOL ber_read_contextual_tag(wStream* s, BYTE tag, size_t* length, BOOL pc); + FREERDP_API size_t ber_write_contextual_tag(wStream* s, BYTE tag, size_t length, BOOL pc); + FREERDP_API size_t ber_sizeof_contextual_tag(size_t length); + FREERDP_API BOOL ber_read_sequence_tag(wStream* s, size_t* length); + FREERDP_API size_t ber_write_sequence_tag(wStream* s, size_t length); + FREERDP_API size_t ber_sizeof_sequence(size_t length); + FREERDP_API size_t ber_sizeof_sequence_tag(size_t length); + FREERDP_API BOOL ber_read_bit_string(wStream* s, size_t* length, BYTE* padding); + + FREERDP_API BOOL ber_read_octet_string_tag(wStream* s, size_t* length); + FREERDP_API BOOL ber_read_octet_string(wStream* s, BYTE** content, size_t* length); + FREERDP_API size_t ber_write_octet_string_tag(wStream* s, size_t length); + FREERDP_API size_t ber_sizeof_octet_string(size_t length); + FREERDP_API size_t ber_sizeof_contextual_octet_string(size_t length); + FREERDP_API size_t ber_write_char_to_unicode_octet_string(wStream* s, const char* str); + FREERDP_API size_t ber_write_contextual_char_to_unicode_octet_string(wStream* s, BYTE tag, + const char* oct_str); + FREERDP_API size_t ber_write_octet_string(wStream* s, const BYTE* oct_str, size_t length); + FREERDP_API BOOL ber_read_char_from_unicode_octet_string(wStream* s, char** str); + FREERDP_API BOOL ber_read_unicode_octet_string(wStream* s, LPWSTR* str); + FREERDP_API size_t ber_write_contextual_octet_string(wStream* s, BYTE tag, const BYTE* oct_str, + size_t length); + FREERDP_API size_t ber_write_contextual_unicode_octet_string(wStream* s, BYTE tag, LPWSTR str); + + FREERDP_API BOOL ber_read_BOOL(wStream* s, BOOL* value); + FREERDP_API void ber_write_BOOL(wStream* s, BOOL value); + FREERDP_API BOOL ber_read_integer(wStream* s, UINT32* value); + FREERDP_API size_t ber_write_integer(wStream* s, UINT32 value); + FREERDP_API size_t ber_write_contextual_integer(wStream* s, BYTE tag, UINT32 value); + FREERDP_API BOOL ber_read_integer_length(wStream* s, size_t* length); + FREERDP_API size_t ber_sizeof_integer(UINT32 value); + FREERDP_API size_t ber_sizeof_contextual_integer(UINT32 value); + +#ifdef __cplusplus +} +#endif + +#endif /* FREERDP_CRYPTO_BER_H */ |