initial commit
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7677698fec
3
.gitignore
vendored
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3
.gitignore
vendored
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.idea/
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*build*/
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CMakeLists.txt
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68
main.cpp
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68
main.cpp
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#include <iostream>
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#include <random>
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std::string random_string(std::size_t length, bool punc) {
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std::string CHARACTERS;
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std::string ALPHANUM = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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std::string SPECIALS = "!\"#$%&'()*+,-./:;<=>?@[\\]^_`{|}~";
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if (punc) {
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CHARACTERS = ALPHANUM.append(SPECIALS);
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} else {
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CHARACTERS = ALPHANUM;
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}
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std::random_device random_device;
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std::mt19937 generator(random_device());
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std::uniform_int_distribution<> distribution(0, CHARACTERS.size() - 1);
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std::string random_string;
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for (std::size_t i = 0; i < length; ++i) {
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random_string += CHARACTERS[distribution(generator)];
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}
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return random_string;
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}
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void show_usage(std::string binname) {
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std::cerr << "Usage: " << binname << " [OPTIONS] " << std::endl
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<< "Options:" << std::endl
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<< "\t-h, --help \t\tShow this help message" << std::endl
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<< "\t-l, --length \t\tThe length of the password (default: 32)" << std::endl
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<< "\t-p, --punctuation \t\tToggle special characters (default: false)"
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<< std::endl;
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}
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int main(int argc, char *argv[]) {
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std::string passlenstr;
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int passlen;
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bool punc = false;
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if (argc < 1) {
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std::cout << random_string(32, false) << std::endl;
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return 0;
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} else {
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for (int i = 1; i < argc; ++i) {
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std::string arg = argv[i];
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if ((arg == "-h") || (arg == "--help")) {
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show_usage(argv[0]);
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return 0;
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} else if (arg == "-p") {
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punc = true;
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} else if ((arg == "-l") || (arg == "--length")) {
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passlenstr = argv[i + 1];
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if (passlenstr.empty()) {
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std::cerr << "--destination option requires one argument." << std::endl;
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return 1;
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}
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}
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}
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if (passlenstr.empty()) {
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passlenstr = "32";
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}
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passlen = std::stoi(passlenstr);
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std::string password = random_string(passlen, punc);
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std::cout << password << std::endl;
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return 0;
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}
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}
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