1/*	$OpenBSD: privsep.h,v 1.2 2004/05/04 18:51:18 henning Exp $ */
2
3/*
4 * Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
15 * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
16 * OF OR IN CONNECTION WITH THE USE, ABUSE OR PERFORMANCE OF THIS SOFTWARE.
17 *
18 * $FreeBSD$
19 */
20
21#include <sys/types.h>
22
23#include <poll.h>
24#include <pwd.h>
25
26struct buf {
27	u_char			*buf;
28	size_t			 size;
29	size_t			 wpos;
30	size_t			 rpos;
31};
32
33enum imsg_code {
34	IMSG_NONE,
35	IMSG_SCRIPT_INIT,
36	IMSG_SCRIPT_WRITE_PARAMS,
37	IMSG_SCRIPT_GO,
38	IMSG_SCRIPT_GO_RET,
39	IMSG_SEND_PACKET
40};
41
42struct imsg_hdr {
43	enum imsg_code	code;
44	size_t		len;
45};
46
47struct buf	*buf_open(size_t);
48int		 buf_add(struct buf *, void *, size_t);
49int		 buf_close(int, struct buf *);
50ssize_t		 buf_read(int sock, void *, size_t);
51