Store and fetch (manage) all password using one universal password (incomplete)

hideInput.cpp

#include "hideInput.h"

hideInput::hideInput()
{
    tcgetattr(fileno(stdin), &oflags);
    nflags = oflags;
    nflags.c_lflag &= ~ECHO;
    nflags.c_lflag |= ECHONL;
    if (tcsetattr(fileno(stdin), TCSANOW, &nflags) != 0)
        throw "Error hiding the input";
}
hideInput::~hideInput()
{
    if (tcsetattr(fileno(stdin), TCSANOW, &oflags) != 0)
        throw "Error reverting hidden input";
}

hideInput.h

#include <termios.h>
#include <iostream>

//code copyied and changed from
//https://stackoverflow.com/questions/1196418/getting-a-input-in-c-without-using-getpass-3
class hideInput
{
private:
    struct termios oflags, nflags;

public:
    hideInput();
    ~hideInput();
};

PasswordManager

NOTE: This file is used to name the gist.

passwordManager.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <utility>
#include <vector>
using namespace std;

#define PASS_FILE "/Users/asubramanian/.PasswordFile.bin"
#define MAX_ATTEMPT 5

#pragma region "Verifying User"

#include "hideInput.h"

string getAPass(void)
{
    //init vars
    hideInput passHide;
    string input;

    //get input
    cout << "Enter your password: ";
    cin >> input;

    //return
    return input;
}
void handelPass(void)
{
    //open file
    ifstream in;
    in.open(PASS_FILE);
    if (in.fail())
        throw "failure to open password file";

    //get pass.
    string password;
    in >> password;
    if (password.empty())
        throw "unable to read password file";

    //enter pass.
    for (int tried = 0; getAPass() != password; tried++)
        if (tried >= MAX_ATTEMPT)
            throw "Password failed too many times";
}
void resetFile()
{
    //handle with user
    int responce;
    cout << "Would you like to make a new file? (1/0): ";
    cin >> responce;
    if (!responce) //don't make a new file
        throw "No online password system.";

    //make the password file
    ofstream newFile;
    newFile.open(PASS_FILE);
    if (newFile.fail())
        throw "Encountered error opening new file";
    string password = getAPass();
    newFile << password;
}

#pragma endregion

int decideAction(void)
{
    int action;
    cout << "Would you like to ..." << endl
         << "Add a password(0)" << endl
         << "look for a password(1)" << endl
         << "Change a password(2)" << endl
         << "Change the password manager password (3)" << endl
         << "Stop this program(4)" << endl
         << "Enter your responce: ";
    cin >> action;
    for (int tried = 0; (action < 0) || (action > 4); tried++)
    {
        if (cin.fail())
            throw "Standard input filed while reading action";
        if (tried >= MAX_ATTEMPT)
            throw "Action misentered too many times";
        cout << "Invalid responce, try again: ";
        cin >> action;
    }
    return action;
}

#pragma region "Action functions"

struct entry
{
    string entryName, info;
};
struct pass
{
    string title;
    vector<entry> entries;
};

pass &getPass(ifstream &file)
{
}
void printPass(ofstream &file, pass &password)
{
}

void add(void)
{
    //init
    pass newPass;
    entry currEntry;

    cout << "Enter the new password's title: ";
    cin >> newPass.title;

    bool addInfo = true;
    while (addInfo)
    {
        //get strings
        cout << "Enter the entry name(no special chars): ";
        cin >> currEntry.entryName;
        if (currEntry.entryName.empty())
            throw "Unable to read the entry name";
        cout << "Enter the info for this entry";
        cin >> currEntry.info;
        if (currEntry.entryName.empty())
            throw "Unable to read the entry name";

        // enter and contine onward
        newPass.entries.push_back(currEntry);
        cout << "Do you have more entry's to make: ";
        cin >> addInfo;
    }

    //print entry
    ofstream fout;
    fout.open(PASS_FILE, ofstream::app);
    printPass(fout, newPass);
}
void find(void)
{
    ifstream fin;
    fin.open(PASS_FILE, ifstream::in);
}
void change(void)
{
}
void changeMangerPass(void)
{
}
auto quit = []() {};

void (*actions[])(void) = {add, find, change, changeMangerPass, quit};

#pragma endregion

int main(void)
{
    //check password first thing
    try
    {
        handelPass();
    }
    catch (const char *e)
    {
        cout << e << endl;
        try
        {
            resetFile();
        }
        catch (const char *e)
        {
            cout << e << endl;
        }
        cout << "Failed to verify user, exiting" << endl;
        return EXIT_FAILURE;
    }

    //decide and execute the action
    try
    {
        actions[decideAction()];
    }
    catch (const char *e)
    {
        cout << e << endl
             << "Failed to receive action from user, exiting" << endl;
        return EXIT_FAILURE;
    }

    //end program
    cout << "Program ending" << endl;
    return EXIT_SUCCESS;
}

passwordManager.h

#ifndef PASS_MAN
#define PASS_MAN

#include <iostream>
#include <fstream>
#include <string>
#include <utility>
#include <vector>

#include "hideInput.h"
#define PASS_FILE "/Users/asubramanian/.PasswordFile.bin"

class pass_man
{
private:
    static const int MAX_ATTEMPT;
    static bool verified;
    //verifying user
    std::string getAPass();

public:
    void handelPass();
    void resetFile();
};

#endif //PASS_MAN