libjava/java/io/natVMConsole.cc

   1 // natVMConsole.cc - Native part of VMConsole class.
   2
   3 /* Copyright (C) 2012
   4    Free Software Foundation
   5
   6    This file is part of libgcj.
   7
   8 This software is copyrighted work licensed under the terms of the
   9 Libgcj License.  Please consult the ObjectInputStream "LIBGCJ_LICENSE" for
  10 details.  */
  11
  12 #include <config.h>
  13
  14 #include <termios.h>
  15 #include <unistd.h>
  16
  17 #include <gcj/cni.h>
  18
  19 #include <java/io/Console.h>
  20 #include <java/io/VMConsole.h>
  21
  22 #ifndef IUCLC
  23 #define IUCLC 0
  24 #endif
  25
  26 #define TERMIOS_ECHO_IFLAGS (IUCLC|IXON|IXOFF|IXANY)
  27 #define TERMIOS_ECHO_LFLAGS (ECHO|ECHOE|ECHOK|ECHONL|TOSTOP)
  28
  29 jstring
  30 java::io::VMConsole::readPassword(::java::io::Console *con)
  31 {
  32   struct termios oldt, newt;
  33   jstring result;
  34
  35   tcgetattr (STDIN_FILENO, &oldt);
  36
  37   tcgetattr (STDIN_FILENO, &newt);
  38
  39   newt.c_iflag &= ~TERMIOS_ECHO_IFLAGS;
  40   newt.c_lflag &= ~TERMIOS_ECHO_LFLAGS;
  41
  42   tcsetattr (STDIN_FILENO, TCSANOW, &newt);
  43
  44   result = con->readLine ();
  45
  46   tcsetattr (STDIN_FILENO, TCSANOW, &oldt);
  47
  48   return result;
  49 }