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 26 struct buf { 27 u_char *buf; 28 size_t size; 29 size_t wpos; 30 size_t rpos; 31 }; 32 33 enum 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 IMSG_SET_INTERFACE_MTU, 41 }; 42 43 struct imsg_hdr { 44 enum imsg_code code; 45 size_t len; 46 }; 47 48 struct buf *buf_open(size_t); 49 int buf_add(struct buf *, const void *, size_t); 50 int buf_close(int, struct buf *); 51 ssize_t buf_read(int sock, void *, size_t); 52