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/* Copyright (c) 2000, 2001, 2003, 2006, 2008 MySQL AB
Use is subject to license terms
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335 USA */
/*
** Ask for a password from tty
** This is an own file to avoid conflicts with curses
*/
#include <my_global.h>
#include <my_sys.h>
#include "mysql.h"
#include <m_string.h>
#include <m_ctype.h>
#ifdef HAVE_GETPASS
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif /* HAVE_PWD_H */
#else /* ! HAVE_GETPASS */
#ifndef _WIN32
#include <sys/ioctl.h>
#ifdef HAVE_TERMIOS_H /* For tty-password */
#include <termios.h>
#define TERMIO struct termios
#else
#ifdef HAVE_TERMIO_H /* For tty-password */
#include <termio.h>
#define TERMIO struct termio
#else
#include <sgtty.h>
#define TERMIO struct sgttyb
#endif
#endif
#ifdef alpha_linux_port
#include <asm/ioctls.h> /* QQ; Fix this in configure */
#include <asm/termiobits.h>
#endif
#else
#include <conio.h>
#endif /* _WIN32 */
#endif /* HAVE_GETPASS */
#ifdef HAVE_GETPASSPHRASE /* For Solaris */
#define getpass(A) getpassphrase(A)
#endif
#ifdef _WIN32
/* were just going to fake it here and get input from
the keyboard */
char *get_tty_password(const char *opt_message)
{
wchar_t wbuf[80];
char *to;
int to_len;
UINT cp;
wchar_t *pos=wbuf,*end=wbuf + array_elements(wbuf)-1;
DBUG_ENTER("get_tty_password");
_cputs(opt_message ? opt_message : "Enter password: ");
for (;;)
{
int wc;
wc=_getwch();
if (wc == '\b' || wc == 127)
{
if (pos != wbuf)
{
_cputs("\b \b");
pos--;
continue;
}
}
if (wc == '\n' || wc == '\r' || wc == 3 || pos == end)
break;
if (iswcntrl(wc))
continue;
/* Do not print '*' for half-unicode char(high surrogate)*/
if (wc < 0xD800 || wc > 0xDBFF)
{
_cputs("*");
}
*(pos++)= (wchar_t)wc;
}
*pos=0;
_cputs("\n");
/*
Allocate output string, and convert UTF16 password to output codepage.
*/
cp= GetACP() == CP_UTF8 ? CP_UTF8 : GetConsoleCP();
if (!(to_len= WideCharToMultiByte(cp, 0, wbuf, -1, NULL, 0, NULL, NULL)))
DBUG_RETURN(NULL);
if (!(to= my_malloc(PSI_INSTRUMENT_ME, to_len, MYF(MY_FAE))))
DBUG_RETURN(NULL);
if (!WideCharToMultiByte(cp, 0, wbuf, -1, to, to_len, NULL, NULL))
{
my_free(to);
DBUG_RETURN(NULL);
}
DBUG_RETURN(to);
}
#else
#ifndef HAVE_GETPASS
/*
** Can't use fgets, because readline will get confused
** length is max number of chars in to, not counting \0
* to will not include the eol characters.
*/
static void get_password(char *to,uint length,int fd, my_bool echo)
{
char *pos=to,*end=to+length;
for (;;)
{
uchar tmp;
if (my_read(fd,&tmp,1,MYF(0)) != 1)
break;
if (tmp == '\b' || (int) tmp == 127)
{
if (pos != to)
{
if (echo)
{
fputs("\b \b",stderr);
fflush(stderr);
}
pos--;
continue;
}
}
if (tmp == '\n' || tmp == '\r' || tmp == 3)
break;
if (iscntrl(tmp) || pos == end)
continue;
if (echo)
{
fputc('*',stderr);
fflush(stderr);
}
*(pos++)= (char) tmp;
}
while (pos != to && isspace(pos[-1]) == ' ')
pos--; /* Allow dummy space at end */
*pos=0;
return;
}
#endif /* ! HAVE_GETPASS */
char *get_tty_password(const char *opt_message)
{
#ifdef HAVE_GETPASS
char *passbuff;
#else /* ! HAVE_GETPASS */
TERMIO org,tmp;
#endif /* HAVE_GETPASS */
char buff[80];
DBUG_ENTER("get_tty_password");
#ifdef HAVE_GETPASS
passbuff = getpass(opt_message ? opt_message : "Enter password: ");
/* copy the password to buff and clear original (static) buffer */
strnmov(buff, passbuff, sizeof(buff) - 1);
#ifdef _PASSWORD_LEN
memset(passbuff, 0, _PASSWORD_LEN);
#endif
#else
if (isatty(fileno(stderr)))
{
fputs(opt_message ? opt_message : "Enter password: ",stderr);
fflush(stderr);
}
#if defined(HAVE_TERMIOS_H)
tcgetattr(fileno(stdin), &org);
tmp = org;
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME] = 0;
tcsetattr(fileno(stdin), TCSADRAIN, &tmp);
get_password(buff, sizeof(buff)-1, fileno(stdin), isatty(fileno(stderr)));
tcsetattr(fileno(stdin), TCSADRAIN, &org);
#elif defined(HAVE_TERMIO_H)
ioctl(fileno(stdin), (int) TCGETA, &org);
tmp=org;
tmp.c_lflag &= ~(ECHO | ISIG | ICANON);
tmp.c_cc[VMIN] = 1;
tmp.c_cc[VTIME]= 0;
ioctl(fileno(stdin),(int) TCSETA, &tmp);
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
ioctl(fileno(stdin),(int) TCSETA, &org);
#else
gtty(fileno(stdin), &org);
tmp=org;
tmp.sg_flags &= ~ECHO;
tmp.sg_flags |= RAW;
stty(fileno(stdin), &tmp);
get_password(buff,sizeof(buff)-1,fileno(stdin),isatty(fileno(stderr)));
stty(fileno(stdin), &org);
#endif
if (isatty(fileno(stderr)))
fputc('\n',stderr);
#endif /* HAVE_GETPASS */
DBUG_RETURN(my_strdup(PSI_INSTRUMENT_ME, buff, MYF(MY_FAE)));
}
#endif /*_WIN32*/
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