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atlas.c
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209 lines (192 loc) · 9.51 KB
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#include <sys/stat.h>
#include "libs/view/stdout_header.h"
#include "libs/view/stdout_pgm.h"
#include "libs/view/stdout_help.h"
#include "libs/decoder/header/decode_head.h"
struct stat stats;
ELF_HEADER header;
int main(int argc, char* argv[]) {
FILE *filePointer;
stat(argv[2], &stats);
long MAX_STRUCTS = stats.st_size/2;
char_byte_stream stream[MAX_STRUCTS];
size_t chunkCount = 0;
int pgm_start = header.PgmHeader_PTR / 16;
/*------------------------------------------------------------------------------------------------------------------------------------------*/
if(argc<2){
ViewHelpScreen();
}
/*------------------------------------------------------------------------------------------------------------------------------------------*/
else if(argc < 3){
if((strcmp(argv[1], "-H") == 0) || (strcmp(argv[1], "--help") == 0)){
ViewHelpScreen();
}
else if((strcmp(argv[1], "-v") == 0) || (strcmp(argv[1], "--version") == 0)){
ViewVersionInfo();
}
else if((strcmp(argv[1], "-u") == 0) || (strcmp(argv[1], "--update") == 0)){
system("$HOME/.local/atlas/update.sh");
}
else{
printf("provide proper data\n");
ViewHelpScreen();
}
}
/*------------------------------------------------------------------------------------------------------------------------------------------*/
else if(argc == 3){
filePointer = fopen(argv[2], "rb");
if (filePointer == NULL) {
perror("Error opening file");
ViewHelpScreen();
return 1;
}
while (!feof(filePointer) && chunkCount < MAX_STRUCTS) {
size_t bytesRead = fread(stream[chunkCount].byte, 1,CHUNK_SIZE, filePointer);
if (ferror(filePointer)) {
perror("Error reading file");
fclose(filePointer);
return 1;
}
stream[chunkCount].dataSize = bytesRead;
chunkCount++;
}
fclose(filePointer);
memcpy(header.elf_ident, stream[0].byte, 16);
/*------------------------------------------------------------------------------------------------------------------------------------------*/
if(header.elf_ident[0] == 0x7F && header.elf_ident[1] == 0x45 && header.elf_ident[2] == 0x4C && header.elf_ident[3] == 0x46){
/*------------------------------------------------------------------------------------------------------------------------------------------*/
if((strcmp(argv[1], "-a")==0) || (strcmp(argv[1], "--all")==0) ){
switch (header.elf_ident[4]){
case ELF0:
printf("unsupported architecture detected !\n");
break;
case ELF32:
printf("This tool doesn't yet support 32 bit architecture\n");
break;
case ELF64:
switch (header.elf_ident[5]){
case FMT_0:
printf("no file format detected (endian system not found !)\n");
break;
case FMT_1:
HeaderProbe_LSB(&header, stream);
ViewHeaderInfo_formatLSB(&header);
printf("\n\n");
if (header.PerPgmHeaderSize == 0){
printf("No program headers present in the binary\n");
printf("withdrawing ViewProgramHeaderInfo_x64 request\n");
}
else{
int start_pgm = header.PgmHeader_PTR/16;
PGM_HEADER_x64 *pgm = programHeaderProbe_x64_LSB(stream, start_pgm,(int)header.PgmHeaderNum, (int)header.PerPgmHeaderSize);
ViewProgramHeaderInfo_x64(pgm, (int)header.PgmHeaderNum);
free(pgm);
}
break;
case FMT_2:
printf("development for MSB system is still going on !\n");
printf("sorry for the inconvenience\n");
break;
default:
printf("error processing the file !\n");
break;
}
break;
default:
printf("could not detect any architecture format\n");
printf("check your file !\n");
break;
}
}
/*------------------------------------------------------------------------------------------------------------------------------------------*/
else if((strcmp(argv[1], "-h") == 0) || (strcmp(argv[1], "--header") == 0)){
switch (header.elf_ident[4]){
case ELF0:
printf("unsupported architecture detected !\n");
break;
case ELF32:
printf("This tool doesn't yet support 32 bit architecture\n");
break;
case ELF64:
switch (header.elf_ident[5]){
case FMT_0:
printf("no file format detected (endian system not found !)\n");
break;
case FMT_1:
HeaderProbe_LSB(&header, stream);
ViewHeaderInfo_formatLSB(&header);
printf("\n\n");
break;
case FMT_2:
printf("development for MSB system is still going on !\n");
printf("sorry for the inconvenience\n");
break;
default:
printf("error processing the file !\n");
break;
}
break;
default:
printf("could not detect any architecture format\n");
printf("check your file !\n");
break;
}
}
/*------------------------------------------------------------------------------------------------------------------------------------------*/
else if((strcmp(argv[1], "-p") == 0) || (strcmp(argv[1], "--pgm") == 0)){
switch (header.elf_ident[4]){
case ELF0:
printf("unsupported architecture detected !\n");
break;
case ELF32:
printf("This tool doesn't yet support 32 bit architecture\n");
break;
case ELF64:
switch (header.elf_ident[5]){
case FMT_0:
printf("no file format detected (endian system not found !)\n");
break;
case FMT_1:
HeaderProbe_LSB(&header, stream);
if (header.PerPgmHeaderSize == 0){
printf("No program headers present in the binary\n");
printf("withdrawing ViewProgramHeaderInfo_x64 request\n");
}
else{
int start_pgm = header.PgmHeader_PTR/16;
PGM_HEADER_x64 *pgm = programHeaderProbe_x64_LSB(stream, start_pgm,(int)header.PgmHeaderNum, (int)header.PerPgmHeaderSize);
ViewProgramHeaderInfo_x64(pgm, (int)header.PgmHeaderNum);
free(pgm);
}
break;
case FMT_2:
printf("development for MSB system is still going on !\n");
printf("sorry for the inconvenience\n");
break;
default:
printf("error processing the file !\n");
break;
}
break;
default:
printf("could not detect any architecture format\n");
printf("check your file !\n");
break;
}
}
/*------------------------------------------------------------------------------------------------------------------------------------------*/
else{
printf("use the right flag !\n");
ViewHelpScreen();
}
}
else{
printf("Provide and ELF binary file !\n");
printf("The file you provided does not contain ELF footprints\n");
}
}
else{
ViewHelpScreen();
}
return 0;
}