GPT/main.cpp at main · mkbob12/GPT · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
#include <fstream>
#include <iostream>
#include <string>
#include <stdint.h> // uint8_t 타입을 사용하기 위해 추가
#include <vector>
#include <cstdint> // static_cast
#include <iomanip>
#include <codecvt>        // std::codecvt_utf8

using namespace std;


// ================================== 초기화 ========================================

int i = 0;
int f = 0;
int j = 0;


bool file(int x){
    ifstream file;
    string filename="gpt_128.dd";
    file.open(filename, ios::binary);
    file.seekg(x, ios::beg);


    uint16_t number;
    uint32_t bit;
    uint64_t numbers;
    bool type  = true;
    int zero_count = 0;

// ============================== 파일 읽기 선언 =====================================
    while(file.read(reinterpret_cast<char *>(&number), sizeof(number))){

        if(i >= 0 & i <8){
            if( i == 0){
                printf("===================================");
                printf("%s","\nPartition Type GUID\n");

            }
            printf("%04x ",number);
            if(number == 0){
                zero_count += 1;
            }
        }

// ============================== GUID가 0 이면 break ============================
        if(zero_count == 8){
            return true;

        }


        if(i >= 8 && i < 16){
            if( i ==  8){
                printf("%s","\nUnique Parition GUID\n");
            }
            printf("%04x ",number);
        }

        if(i == 16){

            ifstream file1;
            file1.open(filename, ios::binary);
            x = x + 32;
            file1.seekg(x,ios::beg);
            uint64_t number64;
            uint64_t FLBA;
            uint64_t LLBA;
            uint64_t size;
            j = 0;
            string utf8String;

//===================== FLBA LLBA 차이의 사이즈 , real_address ,Decoded UTF - 8 구하기 ===============================
            while(file1.read(reinterpret_cast<char *>(&number64), sizeof(number64))){

                if (j == 0){
                    printf("%s","\nFLBA ");
                    printf("%016lx ", number64);
                    FLBA = number64;

                };

                if( j == 1){
                    printf("%s","\nLLBA ");
                    printf("%016lx\n",number64);
                    LLBA = number64;
                    size = (LLBA - FLBA) * 512;
                    printf("size %ld\n",size);
                    printf("real_address  %ld\n", FLBA * 512);
                    file.seekg(LLBA * 512 + 3 ,ios::beg);
                    file.read(reinterpret_cast<char *>(&number64), sizeof(number64));


                    // Convert the number to a string
                    for (int i = 7; i >=0; --i) {
                        unsigned char byte = (number64 >> (i * 8)) & 0xFF;
                        utf8String.push_back(byte);
                    }

                    string reverseString;
                    for (int i = utf8String.length() -1; i >=0; i--) {
                        reverseString.push_back(utf8String[i]);
                    }

                    cout << "Decoded UTF-8 : ";
                    cout <<  reverseString << endl;
                    printf("=================================== \n");
                    i = -1;
                    j = 0;
                    type = false;
                    file1.close();
                    break;
                };
                j++;
            };

        };
        i++;
        if(type == false){
            return false;
        }

    }


    file.close();
    return false;

}


int main(){
   int x = 1024;
   bool judge;

   while(1){
        judge = file(x);
        if(judge){
            break;
        }
        x += 128;
   }

 }