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/* Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved.
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.
There are special exceptions to the terms and conditions of the GPL as it
is applied to this software.
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 St, Fifth Floor, Boston, MA 02110-1301 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>
#if defined(HAVE_BROKEN_GETPASS) && !defined(HAVE_GETPASSPHRASE)
#undef HAVE_GETPASS
#endif
#ifdef HAVE_GETPASS
#ifdef HAVE_PWD_H
#include <pwd.h>
#endif /* HAVE_PWD_H */
#else /* ! HAVE_GETPASS */
#if !defined(__WIN__)
#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 /* __WIN__ */
#endif /* HAVE_GETPASS */
#ifdef HAVE_GETPASSPHRASE /* For Solaris */
#define getpass(A) getpassphrase(A)
#endif
#if defined(__WIN__)
/* were just going to fake it here and get input from the keyboard */
void get_tty_password_buff(const char *opt_message, char *to, size_t length)
{
char *pos=to,*end=to+length-1;
int i=0;
_cputs(opt_message ? opt_message : "Enter password: ");
for (;;)
{
int tmp;
tmp=_getch();
if (tmp == '\b' || tmp == 127)
{
if (pos != to)
{
_cputs("\b \b");
pos--;
continue;
}
}
if (tmp == -1 || tmp == '\n' || tmp == '\r' || tmp == 3)
break;
if (iscntrl(tmp) || pos == end)
continue;
_cputs("*");
*(pos++) = (char)tmp;
}
*pos=0;
_cputs("\n");
}
#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 (;;)
{
char 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",stdout);
fflush(stdout);
}
pos--;
continue;
}
}
if (tmp == '\n' || tmp == '\r' || tmp == 3)
break;
if (iscntrl(tmp) || pos == end)
continue;
if (echo)
{
fputc('*',stdout);
fflush(stdout);
}
*(pos++) = tmp;
}
*pos=0;
return;
}
#endif /* ! HAVE_GETPASS */
void get_tty_password_buff(const char *opt_message, char *buff, size_t buflen)
{
#ifdef HAVE_GETPASS
char *passbuff;
#else /* ! HAVE_GETPASS */
TERMIO org,tmp;
#endif /* HAVE_GETPASS */
#ifdef HAVE_GETPASS
passbuff = getpass(opt_message ? opt_message : "Enter password: ");
/* copy the password to buff and clear original (static) buffer */
strncpy(buff, passbuff, buflen - 1);
#ifdef _PASSWORD_LEN
memset(passbuff, 0, _PASSWORD_LEN);
#endif
#else
if (isatty(fileno(stdout)))
{
fputs(opt_message ? opt_message : "Enter password: ",stdout);
fflush(stdout);
}
#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, buflen, fileno(stdin), isatty(fileno(stdout)));
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,buflen-1,fileno(stdin),isatty(fileno(stdout)));
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,buflen-1,fileno(stdin),isatty(fileno(stdout)));
stty(fileno(stdin), &org);
#endif
if (isatty(fileno(stdout)))
fputc('\n',stdout);
#endif /* HAVE_GETPASS */
}
#endif /*__WIN__*/
#ifndef MYSQL_DYNAMIC_PLUGIN
char *get_tty_password(const char *opt_message)
{
char buff[80];
get_tty_password_buff(opt_message, buff, sizeof(buff));
return my_strdup(buff, MYF(MY_FAE));
}
#endif
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