/usr/include/crypto++/winpipes.h is in libcrypto++-dev 5.6.4-8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 | #ifndef CRYPTOPP_WINPIPES_H
#define CRYPTOPP_WINPIPES_H
#include "config.h"
#if !defined(NO_OS_DEPENDENCE) && defined(WINDOWS_PIPES_AVAILABLE)
#include "cryptlib.h"
#include "network.h"
#include "queue.h"
#include <winsock2.h>
NAMESPACE_BEGIN(CryptoPP)
//! \brief Windows Handle
class WindowsHandle
{
public:
WindowsHandle(HANDLE h = INVALID_HANDLE_VALUE, bool own=false);
WindowsHandle(const WindowsHandle &h) : m_h(h.m_h), m_own(false) {}
virtual ~WindowsHandle();
bool GetOwnership() const {return m_own;}
void SetOwnership(bool own) {m_own = own;}
operator HANDLE() const {return m_h;}
HANDLE GetHandle() const {return m_h;}
bool HandleValid() const;
void AttachHandle(HANDLE h, bool own=false);
HANDLE DetachHandle();
void CloseHandle();
protected:
virtual void HandleChanged() {}
HANDLE m_h;
bool m_own;
};
//! \brief Windows Pipe
class WindowsPipe
{
public:
class Err : public OS_Error
{
public:
Err(HANDLE h, const std::string& operation, int error);
HANDLE GetHandle() const {return m_h;}
private:
HANDLE m_h;
};
protected:
virtual HANDLE GetHandle() const =0;
virtual void HandleError(const char *operation) const;
void CheckAndHandleError(const char *operation, BOOL result) const
{assert(result==TRUE || result==FALSE); if (!result) HandleError(operation);}
};
//! \brief Pipe-based implementation of NetworkReceiver
class WindowsPipeReceiver : public WindowsPipe, public NetworkReceiver
{
public:
WindowsPipeReceiver();
bool MustWaitForResult() {return true;}
bool Receive(byte* buf, size_t bufLen);
unsigned int GetReceiveResult();
bool EofReceived() const {return m_eofReceived;}
HANDLE GetHandle() const {return m_event;}
unsigned int GetMaxWaitObjectCount() const {return 1;}
void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack);
private:
WindowsHandle m_event;
OVERLAPPED m_overlapped;
bool m_resultPending;
DWORD m_lastResult;
bool m_eofReceived;
};
//! \brief Pipe-based implementation of NetworkSender
class WindowsPipeSender : public WindowsPipe, public NetworkSender
{
public:
WindowsPipeSender();
bool MustWaitForResult() {return true;}
void Send(const byte* buf, size_t bufLen);
unsigned int GetSendResult();
bool MustWaitForEof() { return false; }
void SendEof() {}
HANDLE GetHandle() const {return m_event;}
unsigned int GetMaxWaitObjectCount() const {return 1;}
void GetWaitObjects(WaitObjectContainer &container, CallStack const& callStack);
private:
WindowsHandle m_event;
OVERLAPPED m_overlapped;
bool m_resultPending;
DWORD m_lastResult;
};
//! \brief Windows Pipe Source
class WindowsPipeSource : public WindowsHandle, public NetworkSource, public WindowsPipeReceiver
{
public:
WindowsPipeSource(HANDLE h=INVALID_HANDLE_VALUE, bool pumpAll=false, BufferedTransformation *attachment=NULL)
: WindowsHandle(h), NetworkSource(attachment)
{
if (pumpAll)
PumpAll();
}
using NetworkSource::GetMaxWaitObjectCount;
using NetworkSource::GetWaitObjects;
private:
HANDLE GetHandle() const {return WindowsHandle::GetHandle();}
NetworkReceiver & AccessReceiver() {return *this;}
};
//! \brief Windows Pipe Sink
class WindowsPipeSink : public WindowsHandle, public NetworkSink, public WindowsPipeSender
{
public:
WindowsPipeSink(HANDLE h=INVALID_HANDLE_VALUE, unsigned int maxBufferSize=0, unsigned int autoFlushBound=16*1024)
: WindowsHandle(h), NetworkSink(maxBufferSize, autoFlushBound) {}
using NetworkSink::GetMaxWaitObjectCount;
using NetworkSink::GetWaitObjects;
private:
HANDLE GetHandle() const {return WindowsHandle::GetHandle();}
NetworkSender & AccessSender() {return *this;}
};
NAMESPACE_END
#endif // WINDOWS_PIPES_AVAILABLE
#endif
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