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 19 #include <sys/types.h> 20 21 #include <poll.h> 22 #include <pwd.h> 23 24 struct buf { 25 u_char *buf; 26 size_t size; 27 size_t wpos; 28 size_t rpos; 29 }; 30 31 enum imsg_code { 32 IMSG_NONE, 33 IMSG_SCRIPT_INIT, 34 IMSG_SCRIPT_WRITE_PARAMS, 35 IMSG_SCRIPT_GO, 36 IMSG_SCRIPT_GO_RET 37 }; 38 39 struct imsg_hdr { 40 enum imsg_code code; 41 size_t len; 42 }; 43 44 struct buf *buf_open(size_t); 45 int buf_add(struct buf *, void *, size_t); 46 int buf_close(int, struct buf *); 47 ssize_t buf_read(int sock, void *, size_t); 48