contrib/dhcpcd/src/privsep-control.h

   1 /* SPDX-License-Identifier: BSD-2-Clause */
   2 /*
   3  * Privilege Separation for dhcpcd
   4  * Copyright (c) 2006-2023 Roy Marples <roy@marples.name>
   5  * All rights reserved
   6
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  26  * SUCH DAMAGE.
  27  */
  28
  29 #ifndef PRIVSEP_CTL_H
  30 #define PRIVSEP_CTL_H
  31
  32 #define IN_PRIVSEP_CONTROLLER(ctx) \
  33     (IN_PRIVSEP((ctx)) && (ctx)->ps_control_pid == getpid())
  34
  35 pid_t ps_ctl_start(struct dhcpcd_ctx *);
  36 int ps_ctl_stop(struct dhcpcd_ctx *);
  37 ssize_t ps_ctl_handleargs(struct fd_list *, char *, size_t);
  38 ssize_t ps_ctl_sendargs(struct fd_list *, void *, size_t);
  39 ssize_t ps_ctl_sendeof(struct fd_list *fd);
  40
  41 #endif