getpass.c
1.71 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007, 2008,
2009, 2010, 2011 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3, or (at your option)
any later version.
This library 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with GNU Mailutils. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <stdlib.h>
#include <string.h>
#include <mailutils/types.h>
#include <mailutils/stream.h>
#include <mailutils/util.h>
#include <mailutils/cstr.h>
int
mu_getpass (mu_stream_t in, mu_stream_t out, const char *prompt,
char **passptr)
{
int status;
int echo_state = 0;
size_t size = 0;
char *buf = NULL;
status = mu_stream_write (out, prompt, strlen (prompt), NULL);
if (status)
return status;
mu_stream_flush (out);
status = mu_stream_ioctl (in, MU_IOCTL_ECHO, MU_IOCTL_OP_SET, &echo_state);
if (status == 0)
echo_state = 1;
status = mu_stream_getline (in, &buf, &size, NULL);
if (echo_state)
{
mu_stream_ioctl (in, MU_IOCTL_ECHO, MU_IOCTL_OP_SET, &echo_state);
mu_stream_write (out, "\n", 1, NULL);
}
if (status == 0)
{
mu_rtrim_cset (buf, "\n");
*passptr = buf;
}
return 0;
}