// ----------------------------------------------------------------------------
template<bool U> CString<U> CString<U>::MidAbs(dword Start, dword EndX) const
{
ErrIf(Start > EndX);
ErrIf(EndX > m_Data.Size() - 1);
ErrIf(Start > m_Data.Size() - 1);
return CString(m_Data._ptr() + Start, EndX - Start);
}
//! This is a simple server to test the ntee program.
//! The server simply sends back to the client the number of bytes it
//! just recieved from the client.
//!
int main(int argc, char** argv)
{
std::string USAGE("Usage: testSrv <server port>\n");
ErrIf( argc < 2 ).info(USAGE);
// Convert the port number arg to an int
in_port_t port;
ErrIfCatch(boost::bad_lexical_cast,
port = boost::lexical_cast<in_port_t>( argv[1] ))
.info("%s is not a port number!\n",argv[1]);
// Put the supplied ip addr into the sockaddr_in struct, we will reuse this
// memory later to store client addresses in it as they connect.
sockaddr_in addr;
memset( &addr, 0, sizeof(addr) );
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = htonl(INADDR_ANY); // Wildcard address kernel picks best bind
addr.sin_port = htons(port);
//** Get the server to accept stage
Socket sock;
SysErrIf( (sock=socket(AF_INET, SOCK_STREAM, 0)) == -1 );
SysErrIf( bind(sock, reinterpret_cast<sockaddr*>(&addr), sizeof(addr)) == -1 );
SysErrIf( listen(sock, 5) == -1 );
//** Forever accept new connections and reply
for( ;; ) {
Socket cliSock;
memset( &addr, 0, sizeof(addr) );
socklen_t len = sizeof(addr);
SysErrIf( (cliSock=accept(sock,reinterpret_cast<sockaddr*>(&addr),&len)) == -1 );
char cliName[INET_ADDRSTRLEN];
WarnIf( inet_ntop(AF_INET, &addr, cliName, sizeof(cliName) ) == 0 );
std::cout << "CONNECTED to: " << ((cliName)?cliName:"Unknown")
<< ":" << addr.sin_port << "\n";
handleClient( cliSock );
}
return 0;
}
// ----------------------------------------------------------------------------
void Entry()
{
// Move cursor off-screen
_outpw(0x3D4, 0x070E);
_outpw(0x3D4, 0xD00F);
CKernelHeader* KH = (CKernelHeader*)CMemMap::c_KernelImageBase;
dword* BootInfo = (dword*)(*(dword*)(CMemMap::c_KernelImageBase + 0x100));
RawOutString("Checking Kernel...", 0, 0, 0xA);
if (IsKernelOK(*KH, BootInfo))
{
RawOutString("OK", 18, 0, 0xA);
}
else
{
RawOutString("Fail", 18, 0, 0xC);
ErrIf(true);
}
dword BootType = BootInfo[1];
dword DriversCount = BootInfo[2] - 1;
CDriverInfo DriverInfos[12];
for (dword i = 0; i < DriversCount; i++)
{
DriverInfos[i].m_BytesSize = BootInfo[3 + (i + 1) * 3];
DriverInfos[i].m_LoadPage = BootInfo[4 + (i + 1) * 3];
char* Name = PC(BootInfo[5 + (i + 1) * 3]);
for (int j = 0;; j++)
{
DriverInfos[i].m_Name[j] = Name[j];
if (Name[j] == 0)
break;
}
}
InitPIT();
CPhysMemManager PMM;
PMM.AllocBlockAt(KH->GetKernelCodeBase(), KH->m_KernelCodePageCount, false);
PMM.AllocBlockAt(KH->GetKernelRDataBase(), KH->m_KernelRDataPageCount, false);
PMM.AllocBlockAt(KH->GetKernelDataBase(), KH->m_KernelDataPageCount, true);
PMM.AllocBlockAt((byte*)CMemMap::c_VideoRamTextBase, 8, true);
__writecr3(CMemMap::c_PmmPageDirectory);
SetupCR0();
for (dword i = 0; i < DriversCount; i++)
{
PMM.AllocBlockAt(
DriverInfos[i].GetImageBase(),
DriverInfos[i].GetImagePageCount(), false);
}
CGDT GDT(PMM);
GDT.CreateNewDescriptor(0, 0xFFFFF, 0x92, 1);
GDT.CreateNewDescriptor(0, 0xFFFFF, 0x98, 1);
GDT.CreateNewDescriptor(0, 0xFFFFF, 0xF2, 1);
GDT.CreateNewDescriptor(0, 0xFFFFF, 0xF8, 1);
static const dword HeapPageCount = 32;
void* HeapBlock = PMM.AllocBlock(HeapPageCount);
CHeap SysHeap(PB(HeapBlock), HeapPageCount * 4096);
g_SysHeap = &SysHeap;
CTask KernelTask(GDT, true, 0, 0, 0, 0, CMemMap::c_PmmPageDirectory);
KernelTask._setActive();
CIntManager IM(PMM, KernelTask.GetTSS().GetSelector());
CKernel K(KernelTask, PMM, IM, GDT, IM.GetIDT(),
BootType, DriverInfos, DriversCount);
}
// ----------------------------------------------------------------------------
template<bool U> CString<U> CString<U>::MidRel(dword Start, dword Count) const
{
ErrIf(Start + Count > m_Data.Size() - 1);
return CString(m_Data._ptr() + Start, Count);
}
// ----------------------------------------------------------------------------
template<bool U> CString<U> CString<U>::RightAbs(dword Start) const
{
ErrIf(Start > m_Data.Size() - 1);
return CString(m_Data._ptr() + Start);
}
// ----------------------------------------------------------------------------
template<bool U> void CString<U>::SetCh(dword Index, const char_t& Char)
{
ErrIf(Char == '\0');
ErrIf(Index >= m_Data.Size() - 1);
m_Data[Index] = Char;
}
// ----------------------------------------------------------------------------
template<bool U> CString<U> CString<U>::Left(dword Count) const
{
ErrIf(Count > m_Data.Size() - 1);
return CString(m_Data._ptr(), Count);
}
// ----------------------------------------------------------------------------
template<bool U> typename _chartype<U>::char_t CString<U>::GetCh(dword Index) const
{
ErrIf(Index >= m_Data.Size());
return m_Data[Index];
}
// ----------------------------------------------------------------------------
template<bool U> dword CString<U>::Len() const
{
ErrIf(m_Data.Size() == 0);
return m_Data.Size() - 1;
}
// ----------------------------------------------------------------------------
template<bool U> CString<U>::CString(const char_t* Src, dword SrcLen)
: m_Data(Src, SrcLen)
{
ErrIf(SrcLen > strlen(Src));
m_Data.PushBack('\0');
}
// ----------------------------------------------------------------------------
template<bool U> CString<U> CString<U>::RightRel(dword Count) const
{
ErrIf(Count > m_Data.Size() - 1);
return CString(m_Data._ptr() + m_Data.Size() - 1 - Count);
}
int ReadFromExeFile(BYTE *filename)
{
/* Reads data attached to the exe file and calls
ProcessData(pointertodata, datasize).
Return values:
* ERR_READFAILED - read from exe file had failed;
* ERR_BADFORMAT - invalid format of the exe file;
* ERR_NOINFO - no info was attached.
If the data were read OK, it returns the return value of ProcessData.
*/
printf("file= %s\n", filename);
#define ErrIf(a) if(a) goto HANDLE_BADFORMAT;
BYTE buff[4096];
DWORD read; BYTE* data;
// Open exe file
//GetModuleFileNameA(NULL, (CHAR*)buff, sizeof(buff));
HANDLE hFile = CreateFileA((CHAR*)filename, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if(INVALID_HANDLE_VALUE == hFile) return ERR_READFAILED;
if(!ReadFile(hFile, buff, sizeof(buff), &read, NULL)) goto HANDLE_READFAILED;
IMAGE_DOS_HEADER* dosheader = (IMAGE_DOS_HEADER*)buff;
ErrIf(dosheader->e_magic != IMAGE_DOS_SIGNATURE);
ErrIf(ULONG(dosheader->e_lfanew) >= ULONG(sizeof(buff) - sizeof(IMAGE_NT_HEADERS32)));
// Locate PE header
IMAGE_NT_HEADERS32* header = (IMAGE_NT_HEADERS32*)(buff + dosheader->e_lfanew);
ErrIf(header->Signature != IMAGE_NT_SIGNATURE);
IMAGE_SECTION_HEADER* sectiontable =
(IMAGE_SECTION_HEADER*)((BYTE*)header + sizeof(IMAGE_NT_HEADERS32));
ErrIf((BYTE*)sectiontable >= buff + sizeof(buff));
DWORD maxpointer = 0, exesize = 0;
// For each section
for(int i = 0; i < header->FileHeader.NumberOfSections; ++i) {
if(sectiontable->PointerToRawData > maxpointer) {
maxpointer = sectiontable->PointerToRawData;
exesize = sectiontable->PointerToRawData + sectiontable->SizeOfRawData;
}
sectiontable++;
}
// Seek to the overlay
DWORD filesize = GetFileSize(hFile, NULL);
if(exesize == filesize) goto HANDLE_NOINFO;
ErrIf(filesize == INVALID_FILE_SIZE || exesize > filesize);
if(SetFilePointer(hFile, exesize, NULL, FILE_BEGIN) ==
INVALID_SET_FILE_POINTER) goto HANDLE_READFAILED;
data = (BYTE*)malloc(filesize - exesize + 8);
if(!ReadFile(hFile, data, filesize - exesize, &read, NULL)) goto HANDLE_WITHFREE;
CloseHandle(hFile);
// Process the data
int result = ProcessData(data, filesize - exesize);
free(data);
return result;
HANDLE_WITHFREE:
free(data);
HANDLE_READFAILED:
CloseHandle(hFile);
return ERR_READFAILED;
HANDLE_BADFORMAT:
CloseHandle(hFile);
return ERR_BADFORMAT;
HANDLE_NOINFO:
CloseHandle(hFile);
return ERR_NOINFO;
#undef ErrIf
}