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mainwindow.cpp
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#include "mainwindow.h"
#include "ui_mainwindow.h"
#define NO_TYPE 0
#define RELOCATABLE 1
#define EXECUTABLE 2
#define SHARED 3
#define CORE 4
#define SPECIFIC 5
#define HEADER 0
#define SEGMENT 1
#define SECTION 2
#define CHECK 0
#define READ 1
#define READ_H 2
#define CODE "\x55\x48\x8b\x05\xb8\x13\x00\x00"
//using namespace ELFIO;
using namespace std;
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
this->setWindowTitle("ELF viewer");
this->setBaseSize(1000, 600);
this->gv = new MyQGraphicsView();
this->gv->setMaximumWidth(329);
this->gv->setMinimumWidth(329);
this->gv->setMinimumHeight(300);
ui->horizontalLayout->layout()->addWidget(this->gv);
this->attributeTE = new QTextEdit();
this->attributeTE->setMinimumWidth(320);
this->attributeTE->setMaximumWidth(350);
//this->attributeTE->setReadOnly(true);
ui->horizontalLayout->layout()->addWidget(this->attributeTE);
this->assembleTE = new QTextEdit();
this->assembleTE->setMinimumWidth(320);
//this->assembleTE->setReadOnly(true);
ui->horizontalLayout->layout()->addWidget(this->assembleTE);
//this->assembleTE->setVisible(false);
this->elfArch.First = NULL;
this->elfArch.count = 0;
this->filename = "";
connect(gv, SIGNAL(clickedOnMe(QPointF)), this, SLOT(clickedOnGraph(QPointF)));
connect(this, SIGNAL(resizeWindow(int, int)), gv, SLOT(changeSize(int, int)));
connect(this->attributeTE, SIGNAL(textChanged()),this, SLOT(attChanged()));
connect(this->assembleTE, SIGNAL(textChanged()),this, SLOT(assChanged()));
emit resizeWindow(1, 1);
}
//********************************operations-with-list**************************************
//******************************************************************************************
TElfArchitecture MainWindow::seekRecord(int orderNumber)
{
TElfArchitecture result;
if (this->elfArch.count > orderNumber)
{
result = elfArch.First;
for (int i = 0; i < orderNumber; i++)
{
result = result->next;
}
return result;
}
else return NULL;
}
int MainWindow::addRecord(TElfArchitecture* newItem)
{
TElfArchitecture * item;
item = &elfArch.First;
if ((*newItem)->type == SEGMENT) //add segments
{
while((*item)->next != NULL)
{
item = &(*item)->next;
}
(*item)->next = (*newItem);
this->elfArch.count++;
}
if ((*newItem)->type == SECTION) //add section
{
bool added = false;
while((*item)->next != NULL)
{
if ((*item)->type == SEGMENT)
{
if (((*newItem)->offset >= (*item)->offset) && ((*newItem)->offset < ((*item)->offset + (*item)->size)))
{
//create new record
TElfArchitecture tmpItem = (elfArchitecture*) malloc(sizeof(struct elfArchitecture));
tmpItem->failure = (*newItem)->failure;
tmpItem->show = (*newItem)->show;
tmpItem->flags = (*newItem)->flags;
tmpItem->name = new QString("Section");
tmpItem->nameIndx = (*newItem)->nameIndx;
tmpItem->type = SECTION;
tmpItem->offset = (*newItem)->offset;
tmpItem->offsetHeader = (*newItem)->offsetHeader;
tmpItem->next = NULL;
tmpItem->size = (*newItem)->size;
//add new record
while((*item)->next != NULL && (*item)->next->type != SEGMENT)
{
item = &(*item)->next;
}
tmpItem->next = (*item)->next;
(*item)->next = tmpItem;
this->elfArch.count++;
added = true;
}
}
item = &(*item)->next;
}
if (added == false)
{
(*item)->next = (*newItem);
this->elfArch.count++;
}
}
return 0;
}
//********************************Read-ELF**************************************************
//******************************************************************************************
QString readFlags(Elf64_Xword value)
{
QString result = "";
if ((value & (1 << 0)) != 0) result = "Write";
if ((value & (1 << 1)) != 0)
{
if (result == "") result = "Alloc";
else result = result + ", Alloc";
}
if ((value & (1 << 2)) != 0)
{
if (result == "") result = "Executable";
else result = result + ", Executable";
}
if (result == "") result = "None";
return result;
}
int MainWindow::readHeader(fstream* file, Elf64_Ehdr* header, int controll)
{
(*file).read ((char*) &(*header).e_ident, sizeof((*header).e_ident));
//first 4 bytes are magical numbers
if ((*header).e_ident[0] != 127) return 1; //it's magical constant
if ((*header).e_ident[1] != 'E') return 1; //it's magical constant
if ((*header).e_ident[2] != 'L') return 1; //it's magical constant
if ((*header).e_ident[3] != 'F') return 1; //it's magical constant
//5'th byte is class (invalid, 32-bit, 64-bit)
if ((*header).e_ident[4] == 0) return 2; //invalid
//6'th byte is data encoding (invalid, LSB, MSB)
if ((*header).e_ident[5] == 0) return 3; //invalid
//7'th byte is version of file (invalid, current)
if ((*header).e_ident[6] == 0) return 4; //invalid
//other bytes are at this version of ELF format unused
(*file).read ((char*) &(*header).e_type, sizeof((*header).e_type));
(*file).read ((char*) &(*header).e_machine, sizeof((*header).e_machine));
(*file).read ((char*) &(*header).e_version, sizeof((*header).e_version));
(*file).read ((char*) &(*header).e_entry, sizeof((*header).e_entry));
(*file).read ((char*) &(*header).e_phoff, sizeof((*header).e_phoff));
(*file).read ((char*) &(*header).e_shoff, sizeof((*header).e_shoff));
(*file).read ((char*) &(*header).e_flags, sizeof((*header).e_flags));
(*file).read ((char*) &(*header).e_ehsize, sizeof((*header).e_ehsize));
(*file).read ((char*) &(*header).e_phentsize, sizeof((*header).e_phentsize));
(*file).read ((char*) &(*header).e_phnum, sizeof((*header).e_phnum));
(*file).read ((char*) &(*header).e_shentsize, sizeof((*header).e_shentsize));
(*file).read ((char*) &(*header).e_shnum, sizeof((*header).e_shnum));
(*file).read ((char*) &(*header).e_shstrndx, sizeof((*header).e_shstrndx));
if (controll == CHECK)
{
TElfArchitecture item = (elfArchitecture*) malloc(sizeof(struct elfArchitecture));
item->name = new QString("ELF Header");
item->failure = 0;
item->show = true;
item->flags = (*header).e_flags;
item->nameIndx = 0;
item->type = HEADER;
item->offset = 0;
item->offsetHeader = 0;
item->next = NULL;
item->size = (*header).e_ehsize;
this->elfArch.First = item;
if ((*header).e_ident[4] == 1) this->elfArch.arch32 = true;
else this->elfArch.arch32 = false;
if ((*header).e_ident[5] == 1) this->elfArch.lsb = true;
else this->elfArch.lsb = false;
this->elfArch.strTab = (*header).e_shstrndx;
this->elfArch.count = 1;
this->elfArch.actual = 0;
}
return 0;
}
int MainWindow::readSegment(fstream* file, Elf32_Phdr* segment32, Elf64_Phdr* segment64, int offset, int controll)
{
if (this->elfArch.arch32)
{
(*file).read ((char*) &(*segment32).p_type, sizeof((*segment32).p_type));
(*file).read ((char*) &(*segment32).p_flags, sizeof((*segment32).p_flags));
(*file).read ((char*) &(*segment32).p_offset, sizeof((*segment32).p_offset));
(*file).read ((char*) &(*segment32).p_vaddr, sizeof((*segment32).p_vaddr));
(*file).read ((char*) &(*segment32).p_paddr, sizeof((*segment32).p_paddr));
(*file).read ((char*) &(*segment32).p_filesz, sizeof((*segment32).p_filesz));
(*file).read ((char*) &(*segment32).p_memsz, sizeof((*segment32).p_memsz));
(*file).read ((char*) &(*segment32).p_align, sizeof((*segment32).p_align));
}
else
{
(*file).read ((char*) &(*segment64).p_type, sizeof((*segment64).p_type));
(*file).read ((char*) &(*segment64).p_flags, sizeof((*segment64).p_flags));
(*file).read ((char*) &(*segment64).p_offset, sizeof((*segment64).p_offset));
(*file).read ((char*) &(*segment64).p_vaddr, sizeof((*segment64).p_vaddr));
(*file).read ((char*) &(*segment64).p_paddr, sizeof((*segment64).p_paddr));
(*file).read ((char*) &(*segment64).p_filesz, sizeof((*segment64).p_filesz));
(*file).read ((char*) &(*segment64).p_memsz, sizeof((*segment64).p_memsz));
(*file).read ((char*) &(*segment64).p_align, sizeof((*segment64).p_align));
}
if (controll == CHECK)
{
int mistake = 0;
if (this->elfArch.arch32)
{
if (((*segment32).p_offset + (*segment32).p_filesz) > this->elfArch.filesize) mistake = 1;
}
else
{
if (((*segment64).p_offset + (*segment64).p_filesz) > this->elfArch.filesize) mistake = 1;
}
TElfArchitecture item = (elfArchitecture*) malloc(sizeof(struct elfArchitecture));
item->name = new QString("Segment");
item->show = true;
item->failure = mistake;
if (this->elfArch.arch32) item->flags = segment32->p_flags;
else item->flags = segment64->p_flags;
if (this->elfArch.arch32) item->nameIndx = (*segment32).p_type;
else item->nameIndx = (*segment64).p_type;
item->type = SEGMENT;
if (this->elfArch.arch32) item->offset = segment32->p_offset;
else item->offset = segment64->p_offset;
item->offsetHeader = offset;
item->next = NULL;
if (this->elfArch.arch32) item->size = segment32->p_filesz;
else item->size = segment64->p_filesz;
addRecord(&item);
return mistake;
//this->elfArch.count = this->elfArch.count + 1;
}
return 0;
}
int MainWindow::readSection(fstream* file, Elf32_Shdr* section32, Elf64_Shdr* section64, int offset, int nmb, int controll, QString nameSection)
{
if (this->elfArch.arch32)
{
(*file).read ((char*) &(*section32).sh_name, sizeof((*section32).sh_name));
(*file).read ((char*) &(*section32).sh_type, sizeof((*section32).sh_type));
(*file).read ((char*) &(*section32).sh_flags, sizeof((*section32).sh_flags));
(*file).read ((char*) &(*section32).sh_addr, sizeof((*section32).sh_addr));
(*file).read ((char*) &(*section32).sh_offset, sizeof((*section32).sh_offset));
(*file).read ((char*) &(*section32).sh_size, sizeof((*section32).sh_size));
(*file).read ((char*) &(*section32).sh_link, sizeof((*section32).sh_link));
(*file).read ((char*) &(*section32).sh_info, sizeof((*section32).sh_info));
(*file).read ((char*) &(*section32).sh_addralign, sizeof((*section32).sh_addralign));
(*file).read ((char*) &(*section32).sh_entsize, sizeof((*section32).sh_entsize));
}
else
{
(*file).read ((char*) &(*section64).sh_name, sizeof((*section64).sh_name));
(*file).read ((char*) &(*section64).sh_type, sizeof((*section64).sh_type));
(*file).read ((char*) &(*section64).sh_flags, sizeof((*section64).sh_flags));
(*file).read ((char*) &(*section64).sh_addr, sizeof((*section64).sh_addr));
(*file).read ((char*) &(*section64).sh_offset, sizeof((*section64).sh_offset));
(*file).read ((char*) &(*section64).sh_size, sizeof((*section64).sh_size));
(*file).read ((char*) &(*section64).sh_link, sizeof((*section64).sh_link));
(*file).read ((char*) &(*section64).sh_info, sizeof((*section64).sh_info));
(*file).read ((char*) &(*section64).sh_addralign, sizeof((*section64).sh_addralign));
(*file).read ((char*) &(*section64).sh_entsize, sizeof((*section64).sh_entsize));
}
if (controll == CHECK)
{
int mistake = 0;
if (this->elfArch.arch32)
{
if (((*section32).sh_offset + (*section32).sh_size) > this->elfArch.filesize) mistake = 1;
}
else
{
if (((*section64).sh_offset + (*section64).sh_size) > this->elfArch.filesize) mistake = 1;
}
TElfArchitecture item = (elfArchitecture*) malloc(sizeof(struct elfArchitecture));
item->name = new QString("Section");
item->failure = mistake;
item->show = true;
if (this->elfArch.arch32) item->flags =(*section32).sh_flags;
else item->flags = (*section64).sh_flags;
if (this->elfArch.arch32) item->nameIndx = (*section32).sh_name;
else item->nameIndx = (*section64).sh_name;
item->type = SECTION;
if (this->elfArch.arch32) item->offset = section32->sh_offset;
else item->offset = section64->sh_offset;
item->offsetHeader = offset;
item->next = NULL;
if (this->elfArch.arch32) item->size = section32->sh_size;
else item->size = section64->sh_size;
if (nmb == this->elfArch.strTab)
{
this->elfArch.strTabPtr = item;
}
addRecord(&item);
return mistake;
//this->elfArch.count = this->elfArch.count + 1;
}
if (controll == READ)
{
unsigned char * buffer;
if (elfArch.arch32) buffer = (unsigned char*) malloc(sizeof(unsigned char) * section32->sh_size); //alloc
else buffer = (unsigned char*) malloc(sizeof(unsigned char) * section64->sh_size);
if (elfArch.arch32) (*file).seekg(section32->sh_offset, ios::beg); //seek
else (*file).seekg(section64->sh_offset, ios::beg);
if (elfArch.arch32) (*file).read ((char*) buffer, section32->sh_size); //read
else (*file).read ((char*) buffer, section64->sh_size);
QString flags;
if (elfArch.arch32) flags = readFlags(section32->sh_flags);
else flags = readFlags(section64->sh_flags);
if (flags.indexOf("Executable", 0) != -1)
{
ud_t ud_obj;
ud_init(&ud_obj);
ud_set_input_buffer(&ud_obj, buffer, section64->sh_size);
if (elfArch.arch32) ud_set_mode(&ud_obj, 32);
else ud_set_mode(&ud_obj, 64);
ud_set_syntax(&ud_obj, UD_SYN_INTEL);
QString str = "";
while (ud_disassemble(&ud_obj)) {
this->assembleTE->append(ud_insn_asm(&ud_obj));
}
}
else
{
QString str = "";
QString strH = "";
int type;
char c;
if (elfArch.arch32)
{
(*file).seekg(section32->sh_offset, ios::beg);
type = section32->sh_type;
if (type > SHT_NUM)
{
if (nameSection.indexOf(".hash", 0) != -1) type = SHT_HASH;
else if (nameSection.indexOf(".rela", 0) != -1) type = SHT_RELA;
else if (nameSection.indexOf(".rel", 0) != -1) type = SHT_REL;
}
switch (type)
{
case SHT_SYMTAB:
Elf32_Sym symTab;
while ((*file).tellg() < section32->sh_offset + section32->sh_size)
{
(*file).read ((char*) &symTab.st_name, sizeof(symTab.st_name));
(*file).read ((char*) &symTab.st_value, sizeof(symTab.st_value));
(*file).read ((char*) &symTab.st_size, sizeof(symTab.st_size));
(*file).read ((char*) &symTab.st_info, sizeof(symTab.st_info));
(*file).read ((char*) &symTab.st_other, sizeof(symTab.st_other));
(*file).read ((char*) &symTab.st_shndx, sizeof(symTab.st_shndx));
this->assembleTE->append(QString("ST_name: %1").arg(symTab.st_name));
this->assembleTE->append(QString("ST_value: %1").arg(symTab.st_value));
this->assembleTE->append(QString("ST_size: %1").arg(symTab.st_size));
this->assembleTE->append(QString("ST_info: %1").arg(symTab.st_info));
this->assembleTE->append(QString("ST_other: %1").arg(symTab.st_other));
this->assembleTE->append(QString("ST_shndx: %1\n").arg(symTab.st_shndx));
}
break;
case SHT_RELA:
Elf32_Rela relaTable;
while ((*file).tellg() < section32->sh_offset + section32->sh_size)
{
(*file).read ((char*) &relaTable.r_offset, sizeof(relaTable.r_offset));
(*file).read ((char*) &relaTable.r_info, sizeof(relaTable.r_info));
(*file).read ((char*) &relaTable.r_addend, sizeof(relaTable.r_addend));
this->assembleTE->append(QString("R_offset: %1").arg(relaTable.r_offset));
this->assembleTE->append(QString("R_info: %1").arg(relaTable.r_info));
this->assembleTE->append(QString("R_addend: %1\n").arg(relaTable.r_addend));
}
break;
case SHT_HASH:
Elf32_Word nbucket;
Elf32_Word nchain;
Elf32_Word entry;
(*file).read ((char*) &nbucket, sizeof(nbucket));
(*file).read ((char*) &nchain, sizeof(nchain));
this->assembleTE->append(QString("%1").arg(nbucket));
this->assembleTE->append(QString("%1").arg(nchain));
for (int i = 0; i < nbucket; i++)
{
(*file).read ((char*) &entry, sizeof(entry));
strH = strH + QString("%1").arg(entry);
}
this->assembleTE->append(strH);
strH = "";
for (int i = 0; i < nchain; i++)
{
(*file).read ((char*) &entry, sizeof(entry));
strH = strH + QString("%1").arg(entry);
}
this->assembleTE->append(strH);
break;
case SHT_DYNAMIC:
Elf32_Sword tag;
Elf32_Sword val;
Elf32_Addr ptr;
while ((*file).tellg() < section32->sh_offset + section32->sh_size)
{
(*file).read ((char*) &tag, sizeof(tag));
this->assembleTE->append(QString("D_TAG: %1").arg(tag));
switch(tag)
{
case 1:
case 2:
case 8:
case 9:
case 10:
case 11:
case 14:
case 15:
case 18:
case 19:
case 20:
//d_val
(*file).read ((char*) &val, sizeof(val));
this->assembleTE->append(QString("D_VAL: %1").arg(val));
break;
case 3:
case 4:
case 5:
case 6:
case 7:
case 12:
case 13:
case 17:
case 21:
case 23:
//d_ptr
(*file).read ((char*) &ptr, sizeof(ptr));
this->assembleTE->append(QString("D_PTR: %1").arg(ptr));
break;
default:
//do nothing
break;
}
this->assembleTE->append(QString(""));
}
break;
case SHT_NOTE:
Elf32_Word name;
Elf32_Word descsz;
Elf32_Word type;
Elf32_Word desc;
while ((*file).tellg() < section32->sh_offset + section32->sh_size)
{
(*file).read ((char*) &name, sizeof(name));
(*file).read ((char*) &descsz, sizeof(descsz));
(*file).read ((char*) &type, sizeof(type));
this->assembleTE->append(QString("Name: %1").arg(name));
this->assembleTE->append(QString("DescSZ: %1").arg(descsz));
this->assembleTE->append(QString("DescSZ: %1").arg(type));
char bufferName [name];
(*file).read ((char*) &bufferName, name);
str = "";
for (int j = 0; j < name; j++)
{
c = bufferName[j];
str = str + c;
}
this->assembleTE->append(QString(str));
if (descsz > 0)
{
for (int j = 0; j < descsz/4; j++)
{
(*file).read ((char*) &desc, sizeof(desc));
this->assembleTE->append(QString("Desc: %1").arg(desc));
}
}
}
break;
case SHT_REL:
Elf32_Rel relTable;
while ((*file).tellg() < section32->sh_offset + section32->sh_size)
{
(*file).read ((char*) &relTable.r_offset, sizeof(relTable.r_offset));
(*file).read ((char*) &relTable.r_info, sizeof(relTable.r_info));
this->assembleTE->append(QString("R_offset: %1").arg(relTable.r_offset));
this->assembleTE->append(QString("R_info: %1\n").arg(relTable.r_info));
}
break;
default:
for (int i = 0; i < section64->sh_size; i++){
c = buffer[i];
/*if (c == '\0') str = " \\0 ";
else str = c;*/
str = str+c;
}
this->assembleTE->append(str);
break;
}
}
else
{
type = section64->sh_type;
if (type > SHT_NUM)
{
if (nameSection.indexOf(".hash", 0) != -1) type = SHT_HASH;
else if (nameSection.indexOf(".rela", 0) != -1) type = SHT_RELA;
else if (nameSection.indexOf(".rel", 0) != -1) type = SHT_REL;
}
(*file).seekg(section64->sh_offset, ios::beg);
switch (type)
{
case SHT_SYMTAB:
Elf64_Sym symTab;
(*file).seekg(section64->sh_offset, ios::beg);
while ((*file).tellg() < section64->sh_offset + section64->sh_size)
{
(*file).read ((char*) &symTab.st_name, sizeof(symTab.st_name));
(*file).read ((char*) &symTab.st_value, sizeof(symTab.st_value));
(*file).read ((char*) &symTab.st_size, sizeof(symTab.st_size));
(*file).read ((char*) &symTab.st_info, sizeof(symTab.st_info));
(*file).read ((char*) &symTab.st_other, sizeof(symTab.st_other));
(*file).read ((char*) &symTab.st_shndx, sizeof(symTab.st_shndx));
this->assembleTE->append(QString("ST_name: %1").arg(symTab.st_name));
this->assembleTE->append(QString("ST_value: %1").arg(symTab.st_value));
this->assembleTE->append(QString("ST_size: %1").arg(symTab.st_size));
this->assembleTE->append(QString("ST_info: %1").arg(symTab.st_info));
this->assembleTE->append(QString("ST_other: %1").arg(symTab.st_other));
this->assembleTE->append(QString("ST_shndx: %1\n").arg(symTab.st_shndx));
}
break;
case SHT_RELA:
Elf64_Rela relaTable;
while ((*file).tellg() < section64->sh_offset + section64->sh_size)
{
(*file).read ((char*) &relaTable.r_offset, sizeof(relaTable.r_offset));
(*file).read ((char*) &relaTable.r_info, sizeof(relaTable.r_info));
(*file).read ((char*) &relaTable.r_addend, sizeof(relaTable.r_addend));
this->assembleTE->append(QString("R_offset: %1").arg(relaTable.r_offset));
this->assembleTE->append(QString("R_info: %1").arg(relaTable.r_info));
this->assembleTE->append(QString("R_addend: %1\n").arg(relaTable.r_addend));
}
break;
case SHT_HASH:
Elf64_Word nbucket;
Elf64_Word nchain;
Elf64_Word entry;
(*file).read ((char*) &nbucket, sizeof(nbucket));
(*file).read ((char*) &nchain, sizeof(nchain));
this->assembleTE->append(QString("%1").arg(nbucket));
this->assembleTE->append(QString("%1").arg(nchain));
for (int i = 0; i < nbucket; i++)
{
(*file).read ((char*) &entry, sizeof(entry));
strH = strH + QString("%1\n").arg(entry);
}
this->assembleTE->append(strH);
str = "";
for (int i = 0; i < nchain; i++)
{
(*file).read ((char*) &entry, sizeof(entry));
strH = strH + QString("%1\n").arg(entry);
}
this->assembleTE->append(strH);
break;
case SHT_DYNAMIC:
Elf64_Sxword tag;
Elf64_Xword val;
Elf64_Addr ptr;
while ((*file).tellg() < section64->sh_offset + section64->sh_size)
{
(*file).read ((char*) &tag, sizeof(tag));
this->assembleTE->append(QString("D_TAG: %1").arg(tag));
switch(tag)
{
case 1:
case 2:
case 8:
case 9:
case 10:
case 11:
case 14:
case 15:
case 18:
case 19:
case 20:
//d_val
(*file).read ((char*) &val, sizeof(val));
this->assembleTE->append(QString("D_VAL: %1").arg(val));
break;
case 3:
case 4:
case 5:
case 6:
case 7:
case 12:
case 13:
case 17:
case 21:
case 23:
//d_ptr
(*file).read ((char*) &ptr, sizeof(ptr));
this->assembleTE->append(QString("D_PTR: %1").arg(ptr));
break;
default:
//do nothing
break;
}
this->assembleTE->append(QString(""));
}
break;
case SHT_NOTE:
Elf64_Word name;
Elf64_Word descsz;
Elf64_Word type;
Elf64_Word desc;
while ((*file).tellg() < section64->sh_offset + section64->sh_size)
{
(*file).read ((char*) &name, sizeof(name));
(*file).read ((char*) &descsz, sizeof(descsz));
(*file).read ((char*) &type, sizeof(type));
this->assembleTE->append(QString("Name: %1").arg(name));
this->assembleTE->append(QString("DescSZ: %1").arg(descsz));
this->assembleTE->append(QString("DescSZ: %1").arg(type));
char bufferName [name];
(*file).read ((char*) &bufferName, name);
str = "";
for (int j = 0; j < name; j++)
{
c = bufferName[j];
str = str + c;
}
this->assembleTE->append(QString(str));
if (descsz > 0)
{
for (int j = 0; j < descsz/4; j++)
{
(*file).read ((char*) &desc, sizeof(desc));
this->assembleTE->append(QString("Desc: %1").arg(desc));
}
}
}
break;
case SHT_REL:
Elf64_Rel relTable;
while ((*file).tellg() < section64->sh_offset + section64->sh_size)
{
(*file).read ((char*) &relTable.r_offset, sizeof(relTable.r_offset));
(*file).read ((char*) &relTable.r_info, sizeof(relTable.r_info));
this->assembleTE->append(QString("R_offset: %1").arg(relTable.r_offset));
this->assembleTE->append(QString("R_info: %1\n").arg(relTable.r_info));
}
break;
default:
for (int i = 0; i < section64->sh_size; i++){
c = buffer[i];
/*if (c == '\0') str = " \\0 ";
else str = c;*/
str = str+c;
}
this->assembleTE->append(str);
break;
}
}
}
QTextCursor tmpCursor = this->assembleTE->textCursor();
tmpCursor.movePosition(QTextCursor::Start);
this->assembleTE->setTextCursor(tmpCursor);
/*QString text = this->assembleTE->toPlainText();
this->assembleTE->append("\n\n\n");
this->assembleTE->append(text);
if(text.size()>0){
mychars[0] = text[0].toAscii(); // assuming your text is ascii
}*/
/*for (int i = 0; i < section64->sh_size; i++){ //print
this->assembleTE->insertPlainText(QString(buffer[i]));
}*/
}
return 0;
}
int MainWindow::setNames()
{
TElfArchitecture table = elfArch.strTabPtr;
TElfArchitecture result;
QString tmp;
int j;
if (this->elfArch.strTab > 0)
{
fstream file (this->filename.toStdString().c_str(), ios::in|ios::binary|ios::ate);
char buffer[table->size];
file.seekg (table->offset, ios::beg);
file.read ((char*) &buffer, table->size);
result = elfArch.First;
for (int i = 0; i < elfArch.count; i++)
{
if (result->type == HEADER) tmp = "ELF Header";
else if (result->type == SEGMENT)
{
tmp = getSegType(result->nameIndx);
}
else if (result->type == SECTION)
{
j = result->nameIndx;
while (buffer[j] != '\0')
{
tmp = tmp + buffer[j];
j++;
}
}
if (tmp == "") tmp = "Empty";
result->name = new QString (tmp);
tmp = "";
result = result->next;
}
}
else return -1;
return 0;
}
//***********************************Events*************************************************
//******************************************************************************************
int MainWindow::openFile(QString filename)
{
Elf64_Ehdr header;
fstream file (filename.toStdString().c_str(), ios::in|ios::binary|ios::ate);
if (file.is_open())
{
//get filesize
this->elfArch.filesize = file.tellg();
//HEADER
file.seekg (0, ios::beg); //start of file
int result = readHeader(&file, &header, CHECK);
if (result != 0)
{
if (result == 1) QMessageBox::critical(this, "Wrong ELF file", "ELF header of: " + filename + " is not right.");
if (result == 2) QMessageBox::critical(this, "Wrong ELF file", "ELF header of: " + filename + " is not right.\n Incorrect file class.");
if (result == 3) QMessageBox::critical(this, "Wrong ELF file", "ELF header of: " + filename + " is not right.\n Incorrect file encoding.");
if (result == 4) QMessageBox::critical(this, "Wrong ELF file", "ELF header of: " + filename + " is not right.\n Incorrect fie version.");
file.close();
this->attCh = false;
this->assCh = false;
return -1;
}
//SEGMENT
if (header.e_phoff != 0) //there is program header
{
Elf32_Phdr segment32;
Elf64_Phdr segment64;
int result;
int offset = header.e_phoff;
file.seekg(offset, ios::beg);
for (int i = 0; i < header.e_phnum; i++)
{
result = readSegment(&file, &segment32, &segment64, header.e_phoff + i * header.e_phentsize, CHECK);
if (result != 0)
{
if (result == 1) QMessageBox::critical(this, "Wrong ELF file", "ELF segment has wrong offset!");
drawChart();
file.close();
this->attCh = false;
this->assCh = false;
return -1;
}
}
}
//SECTION
if (header.e_shoff != 0) //there is program header
{
Elf32_Shdr section32;
Elf64_Shdr section64;
int result;
int offset = header.e_shoff;
file.seekg(offset, ios::beg);
for (int i = 0; i < header.e_shnum; i++)
{
result = readSection(&file, §ion32, §ion64, header.e_shoff + i * header.e_shentsize, i, CHECK, "");
if (result != 0)
{
if (result == 1) QMessageBox::critical(this, "Wrong ELF file", "ELF section has wrong offset!");
drawChart();
file.close();
this->attCh = false;
this->assCh = false;
return -1;
}
}
}
setNames();
drawChart();
this->attCh = false;
this->assCh = false;
file.close();
}
else
{
if (filename != "") QMessageBox::critical(this, "Wrong ELF file", "Can't open file: " + filename + " is not right");
return -1;
}
return 0;
}
void MainWindow::on_actionOpen_File_triggered()
{
QString filename;
this->assembleTE->clear();
this->attributeTE->clear();
this->gv->clearScene();
filename = QFileDialog::getOpenFileName(this, tr("Open Image"), "", tr("Image Files (*)"));
this->filename = filename;
openFile(filename);
return;
}
int MainWindow::saveFile(QString filenameSave)
{
if (this->filename != "")
{
TElfArchitecture item = seekRecord(this->elfArch.actual);
Elf64_Ehdr headerForWrite;
Elf32_Phdr segmentForWrite32;
Elf64_Phdr segmentForWrite64;
Elf32_Shdr sectionForWrite32;
Elf64_Shdr sectionForWrite64;
char * buffer;
char* p;
int size;
long converted;
fstream fileIn (this->filename.toStdString().c_str(), ios::in|ios::binary|ios::ate);