SspiUtils.hh

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#ifndef SSPI_UTILS_HH
#define SSPI_UTILS_HH
 
#ifdef _WIN32
 
#include <winsock2.h>
#ifdef __GNUC__
// MinGW32 requires that subauth.h be included before security.h, in order to define several things
// This differs from VC++, which only needs security.h
#include <subauth.h>
// MinGW32 does not define NEGOSSP_NAME_W anywhere. It should.
#define NEGOSSP_NAME_W  L"Negotiate"
#endif
 
#ifndef SECURITY_WIN32
#define SECURITY_WIN32
#endif
 
#include <security.h>
#include <vector>
#include <cstdint>
 
//
// NOTE: This file MUST be kept in sync between the openmsx and openmsx-debugger projects
//
 
namespace openmsx::sspiutils {
 
const unsigned STREAM_ERROR = 0xffffffff;
 
class StreamWrapper
{
public:
        virtual uint32_t Read (void* buffer, uint32_t cb) = 0;
        virtual uint32_t Write(void* buffer, uint32_t cb) = 0;
};
 
class SspiPackageBase
{
protected:
        CredHandle hCreds;
        CtxtHandle hContext;
 
        StreamWrapper& stream;
        const unsigned int cbMaxTokenSize;
 
        SspiPackageBase(StreamWrapper& stream, const SEC_WCHAR* securityPackage);
        ~SspiPackageBase();
};
 
// Generic access control flags, used with AccessCheck
const DWORD ACCESS_READ = 0x1;
const DWORD ACCESS_WRITE = 0x2;
const DWORD ACCESS_EXECUTE = 0x4;
const DWORD ACCESS_ALL = ACCESS_READ | ACCESS_WRITE | ACCESS_EXECUTE;
 
const GENERIC_MAPPING mapping = {
        ACCESS_READ, ACCESS_WRITE, ACCESS_EXECUTE, ACCESS_ALL
};
void InitTokenContextBuffer(PSecBufferDesc pSecBufferDesc, PSecBuffer pSecBuffer);
void ClearContextBuffers(PSecBufferDesc pSecBufferDesc);
void DebugPrintSecurityStatus(const char* context, SECURITY_STATUS ss);
void DebugPrintSecurityBool(const char* context, BOOL ret);
void DebugPrintSecurityPackageName(PCtxtHandle phContext);
void DebugPrintSecurityPrincipalName(PCtxtHandle phContext);
void DebugPrintSecurityDescriptor(PSECURITY_DESCRIPTOR psd);
PSECURITY_DESCRIPTOR CreateCurrentUserSecurityDescriptor();
unsigned long GetPackageMaxTokenSize(const SEC_WCHAR* package);
 
bool SendChunk(StreamWrapper& stream, void* buffer, uint32_t cb);
bool RecvChunk(StreamWrapper& stream, std::vector<char>& buffer, uint32_t cbMaxSize);
 
} // namespace openmsx::sspiutils
 
#endif // _WIN32
 
#endif // SSPI_UTILS_HH