mirror of
https://github.com/shadps4-emu/ext-cryptopp.git
synced 2024-11-27 03:40:22 +00:00
359 lines
11 KiB
C++
359 lines
11 KiB
C++
#ifndef CRYPTOPP_ALGPARAM_H
|
|
#define CRYPTOPP_ALGPARAM_H
|
|
|
|
#include "cryptlib.h"
|
|
#include "smartptr.h"
|
|
#include "secblock.h"
|
|
|
|
NAMESPACE_BEGIN(CryptoPP)
|
|
|
|
//! used to pass byte array input as part of a NameValuePairs object
|
|
/*! the deepCopy option is used when the NameValuePairs object can't
|
|
keep a copy of the data available */
|
|
class ConstByteArrayParameter
|
|
{
|
|
public:
|
|
ConstByteArrayParameter(const char *data = NULL, bool deepCopy = false)
|
|
{
|
|
Assign((const byte *)data, data ? strlen(data) : 0, deepCopy);
|
|
}
|
|
ConstByteArrayParameter(const byte *data, size_t size, bool deepCopy = false)
|
|
{
|
|
Assign(data, size, deepCopy);
|
|
}
|
|
template <class T> ConstByteArrayParameter(const T &string, bool deepCopy = false)
|
|
{
|
|
CRYPTOPP_COMPILE_ASSERT(sizeof(CPP_TYPENAME T::value_type) == 1);
|
|
Assign((const byte *)string.data(), string.size(), deepCopy);
|
|
}
|
|
|
|
void Assign(const byte *data, size_t size, bool deepCopy)
|
|
{
|
|
if (deepCopy)
|
|
m_block.Assign(data, size);
|
|
else
|
|
{
|
|
m_data = data;
|
|
m_size = size;
|
|
}
|
|
m_deepCopy = deepCopy;
|
|
}
|
|
|
|
const byte *begin() const {return m_deepCopy ? m_block.begin() : m_data;}
|
|
const byte *end() const {return m_deepCopy ? m_block.end() : m_data + m_size;}
|
|
size_t size() const {return m_deepCopy ? m_block.size() : m_size;}
|
|
|
|
private:
|
|
bool m_deepCopy;
|
|
const byte *m_data;
|
|
size_t m_size;
|
|
SecByteBlock m_block;
|
|
};
|
|
|
|
class ByteArrayParameter
|
|
{
|
|
public:
|
|
ByteArrayParameter(byte *data = NULL, unsigned int size = 0)
|
|
: m_data(data), m_size(size) {}
|
|
ByteArrayParameter(SecByteBlock &block)
|
|
: m_data(block.begin()), m_size(block.size()) {}
|
|
|
|
byte *begin() const {return m_data;}
|
|
byte *end() const {return m_data + m_size;}
|
|
size_t size() const {return m_size;}
|
|
|
|
private:
|
|
byte *m_data;
|
|
size_t m_size;
|
|
};
|
|
|
|
class CRYPTOPP_DLL CombinedNameValuePairs : public NameValuePairs
|
|
{
|
|
public:
|
|
CombinedNameValuePairs(const NameValuePairs &pairs1, const NameValuePairs &pairs2)
|
|
: m_pairs1(pairs1), m_pairs2(pairs2) {}
|
|
|
|
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
|
|
|
|
private:
|
|
const NameValuePairs &m_pairs1, &m_pairs2;
|
|
};
|
|
|
|
template <class T, class BASE>
|
|
class GetValueHelperClass
|
|
{
|
|
public:
|
|
GetValueHelperClass(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst)
|
|
: m_pObject(pObject), m_name(name), m_valueType(&valueType), m_pValue(pValue), m_found(false), m_getValueNames(false)
|
|
{
|
|
if (strcmp(m_name, "ValueNames") == 0)
|
|
{
|
|
m_found = m_getValueNames = true;
|
|
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(std::string), *m_valueType);
|
|
if (searchFirst)
|
|
searchFirst->GetVoidValue(m_name, valueType, pValue);
|
|
if (typeid(T) != typeid(BASE))
|
|
pObject->BASE::GetVoidValue(m_name, valueType, pValue);
|
|
((*reinterpret_cast<std::string *>(m_pValue) += "ThisPointer:") += typeid(T).name()) += ';';
|
|
}
|
|
|
|
if (!m_found && strncmp(m_name, "ThisPointer:", 12) == 0 && strcmp(m_name+12, typeid(T).name()) == 0)
|
|
{
|
|
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T *), *m_valueType);
|
|
*reinterpret_cast<const T **>(pValue) = pObject;
|
|
m_found = true;
|
|
return;
|
|
}
|
|
|
|
if (!m_found && searchFirst)
|
|
m_found = searchFirst->GetVoidValue(m_name, valueType, pValue);
|
|
|
|
if (!m_found && typeid(T) != typeid(BASE))
|
|
m_found = pObject->BASE::GetVoidValue(m_name, valueType, pValue);
|
|
}
|
|
|
|
operator bool() const {return m_found;}
|
|
|
|
template <class R>
|
|
GetValueHelperClass<T,BASE> & operator()(const char *name, const R & (T::*pm)() const)
|
|
{
|
|
if (m_getValueNames)
|
|
(*reinterpret_cast<std::string *>(m_pValue) += name) += ";";
|
|
if (!m_found && strcmp(name, m_name) == 0)
|
|
{
|
|
NameValuePairs::ThrowIfTypeMismatch(name, typeid(R), *m_valueType);
|
|
*reinterpret_cast<R *>(m_pValue) = (m_pObject->*pm)();
|
|
m_found = true;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
GetValueHelperClass<T,BASE> &Assignable()
|
|
{
|
|
if (m_getValueNames)
|
|
((*reinterpret_cast<std::string *>(m_pValue) += "ThisObject:") += typeid(T).name()) += ';';
|
|
if (!m_found && strncmp(m_name, "ThisObject:", 11) == 0 && strcmp(m_name+11, typeid(T).name()) == 0)
|
|
{
|
|
NameValuePairs::ThrowIfTypeMismatch(m_name, typeid(T), *m_valueType);
|
|
*reinterpret_cast<T *>(m_pValue) = *m_pObject;
|
|
m_found = true;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
private:
|
|
const T *m_pObject;
|
|
const char *m_name;
|
|
const std::type_info *m_valueType;
|
|
void *m_pValue;
|
|
bool m_found, m_getValueNames;
|
|
};
|
|
|
|
template <class BASE, class T>
|
|
GetValueHelperClass<T, BASE> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULL, BASE *dummy=NULL)
|
|
{
|
|
return GetValueHelperClass<T, BASE>(pObject, name, valueType, pValue, searchFirst);
|
|
}
|
|
|
|
template <class T>
|
|
GetValueHelperClass<T, T> GetValueHelper(const T *pObject, const char *name, const std::type_info &valueType, void *pValue, const NameValuePairs *searchFirst=NULL)
|
|
{
|
|
return GetValueHelperClass<T, T>(pObject, name, valueType, pValue, searchFirst);
|
|
}
|
|
|
|
// ********************************************************
|
|
|
|
template <class R>
|
|
R Hack_DefaultValueFromConstReferenceType(const R &)
|
|
{
|
|
return R();
|
|
}
|
|
|
|
template <class R>
|
|
bool Hack_GetValueIntoConstReference(const NameValuePairs &source, const char *name, const R &value)
|
|
{
|
|
return source.GetValue(name, const_cast<R &>(value));
|
|
}
|
|
|
|
template <class T, class BASE>
|
|
class AssignFromHelperClass
|
|
{
|
|
public:
|
|
AssignFromHelperClass(T *pObject, const NameValuePairs &source)
|
|
: m_pObject(pObject), m_source(source), m_done(false)
|
|
{
|
|
if (source.GetThisObject(*pObject))
|
|
m_done = true;
|
|
else if (typeid(BASE) != typeid(T))
|
|
pObject->BASE::AssignFrom(source);
|
|
}
|
|
|
|
template <class R>
|
|
AssignFromHelperClass & operator()(const char *name, void (T::*pm)(R)) // VC60 workaround: "const R &" here causes compiler error
|
|
{
|
|
if (!m_done)
|
|
{
|
|
R value = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<R>(*(int *)NULL));
|
|
if (!Hack_GetValueIntoConstReference(m_source, name, value))
|
|
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name + "'");
|
|
(m_pObject->*pm)(value);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
template <class R, class S>
|
|
AssignFromHelperClass & operator()(const char *name1, const char *name2, void (T::*pm)(R, S)) // VC60 workaround: "const R &" here causes compiler error
|
|
{
|
|
if (!m_done)
|
|
{
|
|
R value1 = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<R>(*(int *)NULL));
|
|
if (!Hack_GetValueIntoConstReference(m_source, name1, value1))
|
|
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name1 + "'");
|
|
S value2 = Hack_DefaultValueFromConstReferenceType(reinterpret_cast<S>(*(int *)NULL));
|
|
if (!Hack_GetValueIntoConstReference(m_source, name2, value2))
|
|
throw InvalidArgument(std::string(typeid(T).name()) + ": Missing required parameter '" + name2 + "'");
|
|
(m_pObject->*pm)(value1, value2);
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
private:
|
|
T *m_pObject;
|
|
const NameValuePairs &m_source;
|
|
bool m_done;
|
|
};
|
|
|
|
template <class BASE, class T>
|
|
AssignFromHelperClass<T, BASE> AssignFromHelper(T *pObject, const NameValuePairs &source, BASE *dummy=NULL)
|
|
{
|
|
return AssignFromHelperClass<T, BASE>(pObject, source);
|
|
}
|
|
|
|
template <class T>
|
|
AssignFromHelperClass<T, T> AssignFromHelper(T *pObject, const NameValuePairs &source)
|
|
{
|
|
return AssignFromHelperClass<T, T>(pObject, source);
|
|
}
|
|
|
|
// ********************************************************
|
|
|
|
// to allow the linker to discard Integer code if not needed.
|
|
typedef bool (CRYPTOPP_API * PAssignIntToInteger)(const std::type_info &valueType, void *pInteger, const void *pInt);
|
|
CRYPTOPP_DLL extern PAssignIntToInteger g_pAssignIntToInteger;
|
|
|
|
CRYPTOPP_DLL const std::type_info & CRYPTOPP_API IntegerTypeId();
|
|
|
|
class CRYPTOPP_DLL AlgorithmParametersBase : public NameValuePairs
|
|
{
|
|
public:
|
|
class ParameterNotUsed : public Exception
|
|
{
|
|
public:
|
|
ParameterNotUsed(const char *name) : Exception(OTHER_ERROR, std::string("AlgorithmParametersBase: parameter \"") + name + "\" not used") {}
|
|
};
|
|
|
|
AlgorithmParametersBase(const char *name, bool throwIfNotUsed)
|
|
: m_name(name), m_throwIfNotUsed(throwIfNotUsed), m_used(false) {}
|
|
|
|
~AlgorithmParametersBase()
|
|
{
|
|
#ifdef CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
|
|
if (!std::uncaught_exception())
|
|
#else
|
|
try
|
|
#endif
|
|
{
|
|
if (m_throwIfNotUsed && !m_used)
|
|
throw ParameterNotUsed(m_name);
|
|
}
|
|
#ifndef CRYPTOPP_UNCAUGHT_EXCEPTION_AVAILABLE
|
|
catch(...)
|
|
{
|
|
}
|
|
#endif
|
|
}
|
|
|
|
bool GetVoidValue(const char *name, const std::type_info &valueType, void *pValue) const;
|
|
|
|
protected:
|
|
virtual void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const =0;
|
|
virtual const NameValuePairs & GetParent() const =0;
|
|
|
|
const char *m_name;
|
|
bool m_throwIfNotUsed;
|
|
mutable bool m_used;
|
|
};
|
|
|
|
template <class T>
|
|
class AlgorithmParametersBase2 : public AlgorithmParametersBase
|
|
{
|
|
public:
|
|
AlgorithmParametersBase2(const char *name, const T &value, bool throwIfNotUsed) : AlgorithmParametersBase(name, throwIfNotUsed), m_value(value) {}
|
|
|
|
void AssignValue(const char *name, const std::type_info &valueType, void *pValue) const
|
|
{
|
|
// special case for retrieving an Integer parameter when an int was passed in
|
|
if (!(g_pAssignIntToInteger != NULL && typeid(T) == typeid(int) && g_pAssignIntToInteger(valueType, pValue, &m_value)))
|
|
{
|
|
ThrowIfTypeMismatch(name, typeid(T), valueType);
|
|
*reinterpret_cast<T *>(pValue) = m_value;
|
|
}
|
|
}
|
|
|
|
protected:
|
|
T m_value;
|
|
};
|
|
|
|
template <class PARENT, class T>
|
|
class AlgorithmParameters : public AlgorithmParametersBase2<T>
|
|
{
|
|
public:
|
|
AlgorithmParameters(const PARENT &parent, const char *name, const T &value, bool throwIfNotUsed)
|
|
: AlgorithmParametersBase2<T>(name, value, throwIfNotUsed), m_parent(parent)
|
|
{}
|
|
|
|
AlgorithmParameters(const AlgorithmParameters ©)
|
|
: AlgorithmParametersBase2<T>(copy), m_parent(copy.m_parent)
|
|
{
|
|
copy.m_used = true;
|
|
}
|
|
|
|
template <class R>
|
|
AlgorithmParameters<AlgorithmParameters<PARENT,T>, R> operator()(const char *name, const R &value) const
|
|
{
|
|
return AlgorithmParameters<AlgorithmParameters<PARENT,T>, R>(*this, name, value, this->m_throwIfNotUsed);
|
|
}
|
|
|
|
template <class R>
|
|
AlgorithmParameters<AlgorithmParameters<PARENT,T>, R> operator()(const char *name, const R &value, bool throwIfNotUsed) const
|
|
{
|
|
return AlgorithmParameters<AlgorithmParameters<PARENT,T>, R>(*this, name, value, throwIfNotUsed);
|
|
}
|
|
|
|
private:
|
|
const NameValuePairs & GetParent() const {return m_parent;}
|
|
PARENT m_parent;
|
|
};
|
|
|
|
//! Create an object that implements NameValuePairs for passing parameters
|
|
/*! \param throwIfNotUsed if true, the object will throw an exception if the value is not accessed
|
|
\note throwIfNotUsed is ignored if using a compiler that does not support std::uncaught_exception(),
|
|
such as MSVC 7.0 and earlier.
|
|
\note A NameValuePairs object containing an arbitrary number of name value pairs may be constructed by
|
|
repeatedly using operator() on the object returned by MakeParameters, for example:
|
|
const NameValuePairs ¶meters = MakeParameters(name1, value1)(name2, value2)(name3, value3);
|
|
*/
|
|
template <class T>
|
|
AlgorithmParameters<NullNameValuePairs,T> MakeParameters(const char *name, const T &value, bool throwIfNotUsed = true)
|
|
{
|
|
return AlgorithmParameters<NullNameValuePairs,T>(g_nullNameValuePairs, name, value, throwIfNotUsed);
|
|
}
|
|
|
|
#define CRYPTOPP_GET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Get##name)
|
|
#define CRYPTOPP_SET_FUNCTION_ENTRY(name) (Name::name(), &ThisClass::Set##name)
|
|
#define CRYPTOPP_SET_FUNCTION_ENTRY2(name1, name2) (Name::name1(), Name::name2(), &ThisClass::Set##name1##And##name2)
|
|
|
|
NAMESPACE_END
|
|
|
|
#endif
|