asner.h

radius协议源码÷The Radius Stack will connect to a Radius Server. This stack implementation is built upo

    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

  protected:
    double value;
};


/** Class for ASN Object Identifier type.
*/
class PASN_ObjectId : public PASN_Object
{
    PCLASSINFO(PASN_ObjectId, PASN_Object);
  public:
    PASN_ObjectId(unsigned tag = UniversalObjectId,
                  TagClass tagClass = UniversalTagClass);

    PASN_ObjectId(const PASN_ObjectId & other);
    PASN_ObjectId & operator=(const PASN_ObjectId & other);

    PASN_ObjectId & operator=(const char * dotstr);
    PASN_ObjectId & operator=(const PString & dotstr);
    void SetValue(const PString & dotstr);

    BOOL operator==(const char * dotstr) const;
    BOOL operator!=(const char * dotstr) const { return !operator==(dotstr); }
    BOOL operator==(const PASN_ObjectId & id) const { return value == id.value; }

    PINDEX GetSize() const { return value.GetSize(); }
    const PUnsignedArray & GetValue() const { return value; }
    unsigned operator[](PINDEX idx) const { return value[idx]; }

    virtual Comparison Compare(const PObject & obj) const;
    virtual PObject * Clone() const;
    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

    BOOL CommonDecode(PASN_Stream & strm, unsigned dataLen);
    void CommonEncode(PBYTEArray & eObjId) const;

  protected:
    PUnsignedArray value;
};


/** Class for ASN Bit String type.
*/
class PASN_BitString : public PASN_ConstrainedObject
{
    PCLASSINFO(PASN_BitString, PASN_ConstrainedObject);
  public:
    PASN_BitString(unsigned tag = UniversalBitString,
                   TagClass tagClass = UniversalTagClass,
                   unsigned nBits = 0);

    PASN_BitString(const PASN_BitString & other);
    PASN_BitString & operator=(const PASN_BitString & other);

    void SetData(unsigned nBits, const PBYTEArray & bytes);
    void SetData(unsigned nBits, const BYTE * buf, PINDEX size);

    unsigned GetSize() const { return totalBits; }
    BOOL SetSize(unsigned nBits);

    BOOL operator[](PINDEX bit) const;
    void Set(unsigned bit);
    void Clear(unsigned bit);
    void Invert(unsigned bit);

    virtual void SetConstraints(ConstraintType type, int lower = 0, unsigned upper = UINT_MAX);

    virtual Comparison Compare(const PObject & obj) const;
    virtual PObject * Clone() const;
    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

    BOOL DecodeBER(PBER_Stream & strm, unsigned len);
    void EncodeBER(PBER_Stream & strm) const;
    BOOL DecodePER(PPER_Stream & strm);
    void EncodePER(PPER_Stream & strm) const;

  protected:
    unsigned totalBits;
    PBYTEArray bitData;
};


/** Class for ASN Octet String type.
*/
class PASN_OctetString : public PASN_ConstrainedObject
{
    PCLASSINFO(PASN_OctetString, PASN_ConstrainedObject);
  public:
    PASN_OctetString(unsigned tag = UniversalOctetString,
                     TagClass tagClass = UniversalTagClass);

    PASN_OctetString(const PASN_OctetString & other);
    PASN_OctetString & operator=(const PASN_OctetString & other);

    PASN_OctetString & operator=(const char * str);
    PASN_OctetString & operator=(const PString & str);
    PASN_OctetString & operator=(const PBYTEArray & arr);
    void SetValue(const char * str) { operator=(str); }
    void SetValue(const PString & str) { operator=(str); }
    void SetValue(const PBYTEArray & arr) { operator=(arr); }
    void SetValue(const BYTE * data, PINDEX len);
    const PBYTEArray & GetValue() const { return value; }
    operator const PBYTEArray &() const { return value; }
    operator const BYTE *() const { return value; }
    PString AsString() const;
    BYTE operator[](PINDEX i) const { return value[i]; }
    BYTE & operator[](PINDEX i) { return value[i]; }
    BYTE * GetPointer(PINDEX sz = 0) { return value.GetPointer(sz); }
    PINDEX GetSize() const { return value.GetSize(); }
    BOOL SetSize(PINDEX newSize) { return value.SetSize(newSize); }

    virtual void SetConstraints(ConstraintType type, int lower = 0, unsigned upper = UINT_MAX);

    virtual Comparison Compare(const PObject & obj) const;
    virtual PObject * Clone() const;
    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

    BOOL DecodePER(PPER_Stream & strm);
    void EncodePER(PPER_Stream & strm) const;

  protected:
    PBYTEArray value;
};


/** Base class for ASN String types.
*/
class PASN_ConstrainedString : public PASN_ConstrainedObject
{
    PCLASSINFO(PASN_ConstrainedString, PASN_ConstrainedObject);
  public:
    PASN_ConstrainedString & operator=(const char * str);
    PASN_ConstrainedString & operator=(const PString & str) { return operator=((const char *)str); }
    operator const PString &() const { return value; }
    const PString & GetValue() const { return value; }
    void SetValue(const PString & v) { operator=(v); }
    char operator[](PINDEX idx) const { return value[idx]; }

    void SetCharacterSet(ConstraintType ctype, const char * charSet);
    void SetCharacterSet(ConstraintType ctype, unsigned firstChar = 0, unsigned lastChar = 255);
    void SetCharacterSet(const char * charSet, PINDEX size, ConstraintType ctype);

    virtual Comparison Compare(const PObject & obj) const;
    virtual void PrintOn(ostream & strm) const;

    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

    BOOL DecodeBER(PBER_Stream & strm, unsigned len);
    void EncodeBER(PBER_Stream & strm) const;
    BOOL DecodePER(PPER_Stream & strm);
    void EncodePER(PPER_Stream & strm) const;

  protected:
    PASN_ConstrainedString(const char * canonicalSet, PINDEX setSize,
                           unsigned tag, TagClass tagClass);

    PString value;
    PCharArray characterSet;
    const char * canonicalSet;
    PINDEX canonicalSetSize;
    unsigned canonicalSetBits;
    unsigned charSetUnalignedBits;
    unsigned charSetAlignedBits;
};


#define DECLARE_STRING_CLASS(name) \
  class PASN_##name##String : public PASN_ConstrainedString { \
    PCLASSINFO(PASN_##name##String, PASN_ConstrainedString); \
    public: \
      PASN_##name##String(unsigned tag = UniversalNumericString, \
                          TagClass tagClass = UniversalTagClass); \
      PASN_##name##String & operator=(const char * str); \
      PASN_##name##String & operator=(const PString & str); \
      virtual PObject * Clone() const; \
      virtual PString GetTypeAsString() const; \
  }

DECLARE_STRING_CLASS(Numeric);
DECLARE_STRING_CLASS(Printable);
DECLARE_STRING_CLASS(Visible);
DECLARE_STRING_CLASS(IA5);
DECLARE_STRING_CLASS(General);


/** Class for ASN BMP (16 bit) String type.
*/
class PASN_BMPString : public PASN_ConstrainedObject
{
    PCLASSINFO(PASN_BMPString, PASN_ConstrainedObject);
  public:
    PASN_BMPString(unsigned tag = UniversalBMPString,
                   TagClass tagClass = UniversalTagClass);

    PASN_BMPString(const PASN_BMPString & other);
    PASN_BMPString & operator=(const PASN_BMPString & other);

    PASN_BMPString & operator=(const PString & v);
    PASN_BMPString & operator=(const PWORDArray & v);
    operator PString() const { return GetValue(); }
    operator PWORDArray() const { return value; }
    PString GetValue() const;
    void GetValue(PWORDArray & v) const { v = value; }
    void SetValue(const PString & v) { operator=(v); }
    void SetValue(const PWORDArray & v) { operator=(v); }

    void SetCharacterSet(ConstraintType ctype, const char * charSet);
    void SetCharacterSet(ConstraintType ctype, const PWORDArray & charSet);
    void SetCharacterSet(ConstraintType ctype, unsigned firstChar, unsigned lastChar);

    virtual Comparison Compare(const PObject & obj) const;
    virtual PObject * Clone() const;
    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;

    BOOL DecodeBER(PBER_Stream & strm, unsigned len);
    void EncodeBER(PBER_Stream & strm) const;
    BOOL DecodePER(PPER_Stream & strm);
    void EncodePER(PPER_Stream & strm) const;

  protected:
    BOOL IsLegalCharacter(WORD ch);

    PWORDArray value;
    PWORDArray characterSet;
    WORD firstChar, lastChar;
    unsigned charSetUnalignedBits;
    unsigned charSetAlignedBits;
};


class PASN_Sequence;

/** Class for ASN Choice type.
*/
class PASN_Choice : public PASN_Object
{
    PCLASSINFO(PASN_Choice, PASN_Object);
  public:
    ~PASN_Choice();

    virtual void SetTag(unsigned newTag, TagClass tagClass = DefaultTagClass);
    PString GetTagName() const;
    PASN_Object & GetObject() const;
    BOOL IsValid() const { return choice != NULL; }

#if defined(__GNUC__) && __GNUC__ <= 2 && __GNUC_MINOR__ < 9

    operator PASN_Null &() const;
    operator PASN_Boolean &() const;
    operator PASN_Integer &() const;
    operator PASN_Enumeration &() const;
    operator PASN_Real &() const;
    operator PASN_ObjectId &() const;
    operator PASN_BitString &() const;
    operator PASN_OctetString &() const;
    operator PASN_NumericString &() const;
    operator PASN_PrintableString &() const;
    operator PASN_VisibleString &() const;
    operator PASN_IA5String &() const;
    operator PASN_GeneralString &() const;
    operator PASN_BMPString &() const;
    operator PASN_Sequence &() const;

#else

    operator PASN_Null &();
    operator PASN_Boolean &();
    operator PASN_Integer &();
    operator PASN_Enumeration &();
    operator PASN_Real &();
    operator PASN_ObjectId &();
    operator PASN_BitString &();
    operator PASN_OctetString &();
    operator PASN_NumericString &();
    operator PASN_PrintableString &();
    operator PASN_VisibleString &();
    operator PASN_IA5String &();
    operator PASN_GeneralString &();
    operator PASN_BMPString &();
    operator PASN_Sequence &();

    operator const PASN_Null &() const;
    operator const PASN_Boolean &() const;
    operator const PASN_Integer &() const;
    operator const PASN_Enumeration &() const;
    operator const PASN_Real &() const;
    operator const PASN_ObjectId &() const;
    operator const PASN_BitString &() const;
    operator const PASN_OctetString &() const;
    operator const PASN_NumericString &() const;
    operator const PASN_PrintableString &() const;
    operator const PASN_VisibleString &() const;
    operator const PASN_IA5String &() const;
    operator const PASN_GeneralString &() const;
    operator const PASN_BMPString &() const;
    operator const PASN_Sequence &() const;

#endif

    virtual BOOL CreateObject() = 0;

    virtual Comparison Compare(const PObject & obj) const;
    virtual void PrintOn(ostream & strm) const;

    virtual PString GetTypeAsString() const;
    virtual PINDEX GetDataLength() const;
    virtual BOOL IsPrimitive() const;
    virtual BOOL Decode(PASN_Stream &);
    virtual void Encode(PASN_Stream &) const;