getpasswd.h

/*
 * tfcrypt -- high security Threefish encryption tool.
 *
 * tfcrypt is copyrighted:
 * Copyright (C) 2012-2019 Andrey Rys. All rights reserved.
 *
 * tfcrypt is licensed to you under the terms of std. MIT/X11 license:
 *
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
 * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef _GETPASSWD_H
#define _GETPASSWD_H

#define GETP_NOECHO 1
#define GETP_NOINTERP 2
#define GETP_WAITFILL 4

struct getpasswd_state;
struct termios;

typedef int (*getpasswd_filt)(struct getpasswd_state *, char, size_t);

struct getpasswd_state {
	char *passwd;
	size_t pwlen;
	const char *echo;
	char maskchar;
	getpasswd_filt charfilter;
	int fd;
	int efd;
	int error;
	struct termios *sanetty;
	int flags;
	size_t retn;
};

size_t xgetpasswd(struct getpasswd_state *getps);

#endif