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/*
* Copyright 2010 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pch.h"
#include "password.h"
#include <iostream>
#ifndef _WIN32
#include <termios.h>
#endif
using namespace std;
namespace mongo {
string askPassword() {
std::string password;
cout << "Enter password: ";
#ifndef _WIN32
const int stdinfd = 0;
termios termio;
tcflag_t old = 0;
if ( isatty( stdinfd ) ) {
int i = tcgetattr( stdinfd, &termio );
if( i == -1 ) {
cerr << "Cannot get terminal attributes " << errnoWithDescription() << endl;
return string();
}
old = termio.c_lflag;
termio.c_lflag &= ~ECHO;
i = tcsetattr( stdinfd, TCSANOW, &termio );
if( i == -1 ) {
cerr << "Cannot set terminal attributes " << errnoWithDescription() << endl;
return string();
}
}
cin >> password;
if ( isatty( stdinfd ) ) {
termio.c_lflag = old;
int i = tcsetattr( stdinfd, TCSANOW, &termio );
if( i == -1 ) {
cerr << "Cannot set terminal attributes " << errnoWithDescription() << endl;
return string();
}
}
#else
HANDLE stdinh = GetStdHandle( STD_INPUT_HANDLE );
if ( stdinh == INVALID_HANDLE_VALUE) {
cerr << "Cannot get stdin handle " << GetLastError() << "\n";
return string();
}
DWORD old;
if ( !GetConsoleMode( stdinh, &old ) ) {
cerr << "Cannot get console mode " << GetLastError() << "\n";
return string();
}
DWORD noecho = ENABLE_LINE_INPUT | ENABLE_PROCESSED_INPUT;
if ( !SetConsoleMode( stdinh, noecho ) ) {
cerr << "Cannot set console mode " << GetLastError() << "\n";
return string();
}
cin >> password;
if ( !SetConsoleMode( stdinh, old ) ) {
cerr << "Cannot set console mode " << GetLastError() << "\n";
return string();
}
cin.get();
#endif
cout << "\n";
return password;
}
}
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