sbin/dhclient/privsep.h

   1 /*      $OpenBSD: privsep.h,v 1.5 2007/02/13 21:54:22 stevesk Exp $ */
   2 /*      $DragonFly: src/sbin/dhclient/privsep.h,v 1.1 2008/08/30 16:07:58 hasso Exp $   */
   3
   4 /*
   5  * Copyright (c) 2004 Henning Brauer <henning@openbsd.org>
   6  *
   7  * Permission to use, copy, modify, and distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER IN
  16  * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
  17  * OF OR IN CONNECTION WITH THE USE, ABUSE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #include <sys/types.h>
  21
  22 struct buf {
  23         u_char                  *buf;
  24         size_t                   size;
  25         size_t                   wpos;
  26         size_t                   rpos;
  27 };
  28
  29 enum imsg_code {
  30         IMSG_NONE,
  31         IMSG_SCRIPT_INIT,
  32         IMSG_SCRIPT_WRITE_PARAMS,
  33         IMSG_SCRIPT_GO,
  34         IMSG_SCRIPT_GO_RET
  35 };
  36
  37 struct imsg_hdr {
  38         enum imsg_code  code;
  39         size_t          len;
  40 };
  41
  42 struct buf      *buf_open(size_t);
  43 void             buf_add(struct buf *, void *, size_t);
  44 void             buf_close(int, struct buf *);
  45 void             buf_read(int, void *, size_t);
  46 void             dispatch_imsg(int);