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FileExplorer.cpp
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FileExplorer.cpp
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#include<stdio.h>
#include<windows.h>
#include<iomanip>
#include<stdlib.h>
#include<io.h>
#include<fcntl.h>
#include<sys/types.h>
#include<sys/stat.h>
#include<conio.h>
#include<iostream>
using namespace std;
long int OffDosHeader = 0;
long int OffFileHeader = 0;
long int OffOptHeader = 0;
long int OffSetHeader = 0;
void CalculateOffset(int fd)
{
IMAGE_DOS_HEADER dosheader;
_read(fd,&dosheader,sizeof(dosheader));
OffDosHeader =0;
OffFileHeader=dosheader.e_lfanew + 4;
OffOptHeader = OffFileHeader + 0x14;
OffSetHeader = OffOptHeader+sizeof(IMAGE_OPTIONAL_HEADER);
_lseek(fd,0,0);
}
class dos_header
{
public:
IMAGE_DOS_HEADER dosheader;
int fp;
dos_header(int f)
{
fp =f;
_lseek(fp,OffDosHeader,0);
_read(f,&dosheader,sizeof(dosheader));
}
void show_header()
{
cout<<endl<<"------------------DOS HEADER INFO--------------------"<<endl;
cout<<"Magic number:"<<std::hex<<dosheader.e_magic<<endl;
cout<<"Bytes on last page of file : "<<dosheader.e_cblp<<endl;
cout<<"Pages in file : "<<dosheader.e_cp<<endl;
cout<<"Relocation: "<<dosheader.e_crlc<<endl;
cout<<"Size of header in paragraphs: "<<dosheader.e_cparhdr<<endl;
cout<<"Minimum extra paragraph needed: "<<dosheader.e_minalloc<<endl;
cout<<"Initial(relative)SS value: "<<dosheader.e_ss<<endl;
cout<<"Initial SP value: "<<dosheader.e_sp<<endl;
cout<<"Checksum: "<<dosheader.e_csum<<endl;
cout<<"Initial IP value: "<<dosheader.e_ip<<endl;
cout<<"Initial(relative)CS value: "<<dosheader.e_cs<<endl;
cout<<"File address of relocation table : "<<dosheader.e_lfarlc<<endl;
cout<<"Overlay number : "<<dosheader.e_ovno<<endl;
cout<<"OEM idetifier : "<<dosheader.e_oemid<<endl;
cout<<"OEM information(e_oemid specific): "<<dosheader.e_oeminfo<<endl;
cout<<"RVA address of PE header: "<<dosheader.e_lfanew<<endl;
}
};
class file_header
{
public:
IMAGE_FILE_HEADER fileHeader;
int fp;
file_header(int f)
{
fp=f;
_lseek(fp,OffFileHeader,0);
_read(f,&fileHeader,sizeof(fileHeader));
}
void show_header()
{
cout<<endl<<"---------------FILE HEADER INFO------------"<<endl;
cout<<"Machine :"<<fileHeader.Machine<<endl;
cout<<"Number Of Sections : "<<fileHeader.NumberOfSections<<endl;
cout<<"Time Date Stamp : "<<fileHeader.TimeDateStamp<<endl;
cout<<"Pointer to symbol table : "<<fileHeader.PointerToSymbolTable<<endl;
cout<<"Number Of Symbols : "<<fileHeader.NumberOfSymbols<<endl;
cout<<"Size Of Optional Header : "<<fileHeader.SizeOfOptionalHeader<<endl;
cout<<"Characteristics : "<<fileHeader.Characteristics<<endl;
}
};
class opt_header
{
public:
IMAGE_OPTIONAL_HEADER optHeader;
int fp;
opt_header(int f)
{
fp=f;
_lseek(fp,OffOptHeader,0);
_read(f,&optHeader,sizeof(optHeader));
}
void show_header()
{
cout<<endl<<"---------------OPTIONAL HEADER INFO------------"<<endl;
cout<<"Magic: "<<optHeader.Magic<<endl;
cout<<"Size Of code: "<<optHeader.SizeOfCode<<endl;
cout<<"Size Of Size Of Initialized Data: "<<optHeader.SizeOfInitializedData<<endl;
cout<<"Size Of Size Of Uninitialized Data: "<<optHeader.SizeOfUninitializedData<<endl;
cout<<"Address Of Entry Point: "<<optHeader.AddressOfEntryPoint<<endl;
cout<<"Base Of Code: "<<optHeader.BaseOfCode<<endl;
cout<<"Base Of Data: "<<optHeader.BaseOfData<<endl;
cout<<"Image Base: "<<optHeader.ImageBase<<endl;
cout<<"Section Alignment: "<<optHeader.SectionAlignment<<endl;
cout<<"File Alignment: "<<optHeader.FileAlignment<<endl;
cout<<"Major Operating System Version: "<<optHeader.MajorOperatingSystemVersion<<endl;
cout<<"Minor Operating System Version: "<<optHeader.MinorOperatingSystemVersion<<endl;
cout<<"Major Image Version : "<<optHeader.MajorImageVersion<<endl;
cout<<"Minor Image Version: "<<optHeader.MinorImageVersion<<endl;
cout<<"Major Subsystem Version: "<<optHeader.MajorSubsystemVersion<<endl;
cout<<"Minor Subsystem Version: "<<optHeader.MinorSubsystemVersion<<endl;
cout<<"Size Of Image: "<<optHeader.SizeOfImage<<endl;
cout<<"Size Of Headers: "<<optHeader.SizeOfHeaders<<endl;
cout<<"CheckSum: "<<optHeader.CheckSum<<endl;
cout<<"Subsystem: "<<optHeader.Subsystem<<endl;
cout<<"Dll Characteristics: "<<optHeader.DllCharacteristics<<endl;
cout<<"Size Of Stack Reserve: "<<optHeader.SizeOfStackReserve<<endl;
cout<<"Size Of Stack Commit: "<<optHeader.SizeOfStackCommit<<endl;
cout<<"Size Of Heap Reserve: "<<optHeader.SizeOfHeapReserve<<endl;
cout<<"Size Of Heap Commit: "<<optHeader.SizeOfHeapCommit<<endl;
cout<<"Loader Flags: "<<optHeader.LoaderFlags<<endl;
cout<<"Number Of Rva And Sise : "<<optHeader.NumberOfRvaAndSizes<<endl;
}
};
class sec_header
{
public:
IMAGE_SECTION_HEADER secHeader;
int NoOfSec;
int fp;
sec_header(int f)
{
IMAGE_FILE_HEADER fileHeader;
fp=f;
_lseek(fp,OffFileHeader,0);
_read(f,&fileHeader,sizeof(fileHeader));
NoOfSec = fileHeader.NumberOfSections;
_lseek(f,OffSetHeader,0);
_read(f,&secHeader,sizeof(secHeader));
}
void show_header()
{
cout<<endl<<"----------------SECTION HEADER INFO-----------"<<endl;
while(NoOfSec!=0)
{
cout<<"Name: "<<secHeader.Name<<endl;
cout<<"Virtual Address: "<<secHeader.VirtualAddress<<endl;
cout<<"Size Of Raw Data: "<<secHeader.SizeOfRawData<<endl;
cout<<"Pointer To Raw Data: "<<secHeader.PointerToRawData<<endl;
cout<<"Pointer To Relocations: "<<secHeader.PointerToRelocations<<endl;
cout<<"Pointer To Line numbers: "<<secHeader.PointerToLinenumbers<<endl;
cout<<"Number Of Relocations: "<<secHeader.NumberOfRelocations<<endl;
cout<<"Number Of Line numbers: "<<secHeader.NumberOfLinenumbers<<endl;
cout<<"Characteristics: "<<secHeader.Characteristics<<endl;
NoOfSec--;
cout<<endl<<"-----------------------------------------------------"<<endl;
_read(fp,&secHeader,sizeof(secHeader));
}
}
};
int main(int argc,char* argv[])
{
int ip;
char file_name[100];
cout<<"enter the name of the file : ";
cin>>file_name;
int fd =open(file_name,O_BINARY,S_IREAD);
if(fd==-1)
{
cout<<endl<<"error:file not found."<<endl;
return -1;
}
CalculateOffset(fd);
do
{
ip=0;
cout<<endl<<"enter your choice :"<<endl;
cout<<"1.Dos Header :"<<endl;
cout<<"2.File Header :"<<endl;
cout<<"3.Optional Header :"<<endl;
cout<<"4.Section Header :"<<endl;
cout<<"5.exit :"<<endl;
cout<<"your choice :"<<endl;
cin>>ip;
switch(ip)
{
case 1:
{
dos_header dh(fd);
dh.show_header();
break;
}
case 2:
{
file_header dh(fd);
dh.show_header();
break;
}
case 3:
{
opt_header dh(fd);
dh.show_header();
break;
}
case 4:
{
sec_header dh(fd);
dh.show_header();
break;
}
case 5:
{
exit(0);
break;
}
default:break;
}
}while((ip!=5));
return 0;
}