// Libraries
#include <iostream> // cout and other standard stuff
#include <string> // To make the passwords generated strings
#include <limits> // This is so users won't put letters instead of #
#include <cstdlib> // Rand functions
#include <cstdio>
using namespace std; // This way I don't have to write std
// Used to ask and determine the length of the password
int PassLength(){
// Variables
int PL = 0;
// Question of password length
cout << "What is the length of the desired password?" << endl;
cout << "Enter response: ";
// User input
cin >> PL;
cout << endl;
// Fail checker
while(cin.fail()){
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cout << "Invalid input. Try again: ";
cin >> PL;
cout << endl;
}
// Return length value
return PL;
}
// Used to ask and determine if we are using letters
int LettersOp(){
// Variables
int LO = 5;
// Question of including letters
cout << "Would you like to include letters?" << endl;
cout << "1) Yes" << endl;
cout << "2) No" << endl;
cout << "Enter response: ";
cin >> LO;
cout << endl;
// Fail checker
while(cin.fail() || LO < 1 || LO > 2){
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cout << "Invalid input. Try again: ";
cin >> LO;
cout << endl;
}
// Return choice
return LO;
}
// Used to ask and determine if to include uppercase letters
int UpperOp(){
// Variables
int UO = 5;
// Question of including upper case letters
cout << "Would you like to include upper case letters?" << endl;
cout << "1) Yes" << endl;
cout << "2) No" << endl;
cout << "Enter response: ";
cin >> UO;
cout << endl;
// Fail checker
while(cin.fail() || UO < 1 || UO > 2){
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cout << "Invalid input. Try again: ";
cin >> UO;
cout << endl;
}
// Return choice
return UO;
}
// Used to ask and determine if we are using #s
int NumbersOp(){
// Variables
int NO = 5;
// Question of including numbers
cout << "Would you like to include numbers?" << endl;
cout << "1) Yes" << endl;
cout << "2) No" << endl;
cout << "Enter response: ";
cin >> NO;
cout << endl;
// Fail checker
while(cin.fail() || NO < 1 || NO > 2){
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cout << "Invalid input. Try again: ";
cin >> NO;
cout << endl;
}
// Return choice
return NO;
}
// Used to ask and determine if we are using symbols
int SymbolsOp(){
// Variables
int SO = 5;
// Question of including Symbols
cout << "Would you like to include Symbols?" << endl;
cout << "1) Yes" << endl;
cout << "2) No" << endl;
cout << "Enter response: ";
cin >> SO;
cout << endl;
// Fail checker
while(cin.fail() || SO < 1 || SO > 2){
cin.clear();
cin.ignore(numeric_limits<streamsize>::max(), '\n');
cout << "Invalid input. Try again: ";
cin >> SO;
cout << endl;
}
// Return choice
return SO;
}
// Generates and outputs a random lower case letter
char RandLowLet(){
// Variables and assignments
char RandLowChar = 'a' + rand() % 26;
return RandLowChar;
}
// Generates and outputs a random upper case letter
char RandUppLet(){
// Variables and assignments
char RandUppChar = 'A' + rand() % 26;
return RandUppChar;
}
// Generates and outputs a random number
char RandNum(){
// Variables and assignments
char RandNumber = '0' + rand() % 10;
return RandNumber;
}
// Generates and outputs a random symbol
char RandSymb(){
// Variables and assignments
char symbols[] = "~`!@#%^&*()_-+={[}]|\\:\";'<,>.?/";
int randomIndex = rand() % (sizeof(symbols) - 1);
char randomSymbol = symbols[randomIndex];
return randomSymbol;
}
string PassAssemble(int PL, int LC, int UC, int NC, int SC){
//Array for determining what to use
int PassSpecs[] = {LC, UC, NC, SC};
if (PassSpecs[0] == 2 && PassSpecs[1] == 2 && PassSpecs[2] == 2 && PassSpecs[3] == 2){
cout << "No password specifcations made..." << endl;
cout << "Goodbye." << endl;
abort();
}
//Generating a password based on the specifications
srand(time(0));
string password;
int randIndex;
int i;
for (i = 0; i < PL; i++){
randIndex = rand() % 4;
while ((PassSpecs[randIndex]) != 1){
randIndex = rand() % 4;
}
if (randIndex == 0){
password.push_back(RandLowLet());
}
else if (randIndex == 1){
password.push_back(RandUppLet());
}
else if (randIndex == 2){
password.push_back(RandNum());
}
else if (randIndex == 3){
password.push_back(RandSymb());
}
else {
cout << "ERROR @" << randIndex << endl;
}
}
return password;
}
int main(){
// Program start
cout << "Welcome to the random password generator..." << endl;
cout << endl << "First lets specify length and complexity" << endl;
// Variables and assignments
int PasswordLength = PassLength();
int LetterChoice = LettersOp();
int UpperChoice = 2;
if (LetterChoice == 1){
UpperChoice = UpperOp();
}
int NumberChoice = NumbersOp();
int SymbolChoice = SymbolsOp();
string password = PassAssemble(PasswordLength, LetterChoice, UpperChoice, NumberChoice, SymbolChoice);
cout << "Your password is " << password << endl;
char c;
cout << "Enter e to exit." << endl;
do{
c = getchar();
} while (c != 'e');
cout << "Exiting now" << endl;
return 0;
}
