ber.h

 
#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
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_length(wStream* s, size_t* length);
 
  FREERDP_API size_t ber_write_length(wStream* s, size_t length);
 
  // NOLINTNEXTLINE(bugprone-reserved-identifier,cert-dcl37-c,cert-dcl51-cpp)
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t _ber_sizeof_length(size_t length);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_enumerated(wStream* s, BYTE* enumerated, BYTE count);
 
  FREERDP_API void ber_write_enumerated(wStream* s, BYTE enumerated, BYTE count);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_contextual_tag(size_t length);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_sequence(size_t length);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_sequence_tag(size_t length);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_bit_string(wStream* s, size_t* length, BYTE* padding);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_octet_string_tag(wStream* s, size_t* length);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_octet_string(size_t length);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_char_from_unicode_octet_string(wStream* s, char** str);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_BOOL(wStream* s, BOOL* value);
 
  FREERDP_API void ber_write_BOOL(wStream* s, BOOL value);
 
  WINPR_ATTR_NODISCARD
  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);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API BOOL ber_read_integer_length(wStream* s, size_t* length);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_integer(UINT32 value);
 
  WINPR_ATTR_NODISCARD
  FREERDP_API size_t ber_sizeof_contextual_integer(UINT32 value);
 
#ifdef __cplusplus
}
#endif
 
#endif /* FREERDP_CRYPTO_BER_H */