Git-Mirrors/monero
1
0
Fork 0
mirror of https://github.com/monero-project/monero.git synced 2025-08-18 03:20:23 -04:00
Code Issues Projects Releases Packages Wiki Activity

wallet: wipe seed from memory where appropriate

Browse source
This commit is contained in:
moneromooo-monero 2018-07-07 00:03:15 +01:00
parent b780cf4db1
commit ea37614efe
No known key found for this signature in database
GPG key ID: 686F07454D6CEFC3
19 changed files with 653 additions and 144 deletions
Download patch file Download diff file Expand all files Collapse all files

22
src/common/password.cpp
View file

@ -54,7 +54,7 @@ namespace
return 0 != _isatty(_fileno(stdin));
}
bool read_from_tty(epee::wipeable_string& pass)
bool read_from_tty(epee::wipeable_string& pass, bool hide_input)
{
static constexpr const char BACKSPACE = 8;
@ -62,7 +62,7 @@ namespace
DWORD mode_old;
::GetConsoleMode(h_cin, &mode_old);
DWORD mode_new = mode_old & ~(ENABLE_ECHO_INPUT | ENABLE_LINE_INPUT);
DWORD mode_new = mode_old & ~((hide_input ? ENABLE_ECHO_INPUT : 0) | ENABLE_LINE_INPUT);
::SetConsoleMode(h_cin, mode_new);
bool r = true;
@ -107,14 +107,14 @@ namespace
return 0 != isatty(fileno(stdin));
}
int getch() noexcept
int getch(bool hide_input) noexcept
{
struct termios tty_old;
tcgetattr(STDIN_FILENO, &tty_old);
struct termios tty_new;
tty_new = tty_old;
tty_new.c_lflag &= ~(ICANON | ECHO);
tty_new.c_lflag &= ~(ICANON | (hide_input ? ECHO : 0));
tcsetattr(STDIN_FILENO, TCSANOW, &tty_new);
int ch = getchar();
@ -124,14 +124,14 @@ namespace
return ch;
}
bool read_from_tty(epee::wipeable_string& aPass)
bool read_from_tty(epee::wipeable_string& aPass, bool hide_input)
{
static constexpr const char BACKSPACE = 127;
aPass.reserve(tools::password_container::max_password_size);
while (aPass.size() < tools::password_container::max_password_size)
{
int ch = getch();
int ch = getch(hide_input);
if (EOF == ch || ch == EOT)
{
return false;
@ -159,18 +159,18 @@ namespace
#endif // end !WIN32
bool read_from_tty(const bool verify, const char *message, epee::wipeable_string& pass1, epee::wipeable_string& pass2)
bool read_from_tty(const bool verify, const char *message, bool hide_input, epee::wipeable_string& pass1, epee::wipeable_string& pass2)
{
while (true)
{
if (message)
std::cout << message <<": " << std::flush;
if (!read_from_tty(pass1))
if (!read_from_tty(pass1, hide_input))
return false;
if (verify)
{
std::cout << "Confirm password: ";
if (!read_from_tty(pass2))
if (!read_from_tty(pass2, hide_input))
return false;
if(pass1!=pass2)
{
@ -229,12 +229,12 @@ namespace tools
std::atomic<bool> password_container::is_prompting(false);
boost::optional<password_container> password_container::prompt(const bool verify, const char *message)
boost::optional<password_container> password_container::prompt(const bool verify, const char *message, bool hide_input)
{
is_prompting = true;
password_container pass1{};
password_container pass2{};
if (is_cin_tty() ? read_from_tty(verify, message, pass1.m_password, pass2.m_password) : read_from_file(pass1.m_password))
if (is_cin_tty() ? read_from_tty(verify, message, hide_input, pass1.m_password, pass2.m_password) : read_from_file(pass1.m_password))
{
is_prompting = false;
return {std::move(pass1)};

2
src/common/password.h
View file

@ -49,7 +49,7 @@ namespace tools
password_container(std::string&& password) noexcept;
//! \return A password from stdin TTY prompt or `std::cin` pipe.
static boost::optional<password_container> prompt(bool verify, const char *mesage = "Password");
static boost::optional<password_container> prompt(bool verify, const char *mesage = "Password", bool hide_input = true);
static std::atomic<bool> is_prompting;
password_container(const password_container&) = delete;