1 files changed, 74 insertions, 0 deletions
diff --git a/src/shared/initreq.h b/src/shared/initreq.h
new file mode 100644
index 0000000..da9783c
--- /dev/null
+++ b/src/shared/initreq.h
@@ -0,0 +1,74 @@
+/* SPDX-License-Identifier: LGPL-2.0-or-later */
+/*
+ * initreq.h	Interface to talk to init through /dev/initctl.
+ *
+ *		Copyright (C) 1995-2004 Miquel van Smoorenburg
+ *
+ *		This library is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU Lesser General Public
+ *		License as published by the Free Software Foundation; either
+ *		version 2 of the License, or (at your option) any later version.
+ *
+ * Version:     @(#)initreq.h  1.28  31-Mar-2004 MvS
+ */
+
+#pragma once
+
+#include <sys/param.h>
+
+#if defined(__FreeBSD_kernel__)
+#  define INIT_FIFO  "/etc/.initctl"
+#else
+#  define INIT_FIFO  "/dev/initctl"
+#endif
+
+#define INIT_MAGIC 0x03091969
+#define INIT_CMD_START		0
+#define INIT_CMD_RUNLVL		1
+#define INIT_CMD_POWERFAIL	2
+#define INIT_CMD_POWERFAILNOW	3
+#define INIT_CMD_POWEROK	4
+#define INIT_CMD_BSD		5
+#define INIT_CMD_SETENV		6
+#define INIT_CMD_UNSETENV	7
+
+#define INIT_CMD_CHANGECONS	12345
+
+#ifdef MAXHOSTNAMELEN
+#  define INITRQ_HLEN	MAXHOSTNAMELEN
+#else
+#  define INITRQ_HLEN	64
+#endif
+
+/*
+ *	This is what BSD 4.4 uses when talking to init.
+ *	Linux doesn't use this right now.
+ */
+struct init_request_bsd {
+        char	gen_id[8];		/* Beats me.. telnetd uses "fe" */
+        char	tty_id[16];		/* Tty name minus /dev/tty      */
+        char	host[INITRQ_HLEN];	/* Hostname                     */
+        char	term_type[16];		/* Terminal type                */
+        int	signal;			/* Signal to send               */
+        int	pid;			/* Process to send to           */
+        char	exec_name[128];	        /* Program to execute           */
+        char	reserved[128];		/* For future expansion.        */
+};
+
+/*
+ *	Because of legacy interfaces, "runlevel" and "sleeptime"
+ *	aren't in a separate struct in the union.
+ *
+ *	The weird sizes are because init expects the whole
+ *	struct to be 384 bytes.
+ */
+struct init_request {
+        int	magic;			/* Magic number                 */
+        int	cmd;			/* What kind of request         */
+        int	runlevel;		/* Runlevel to change to        */
+        int	sleeptime;		/* Time between TERM and KILL   */
+        union {
+                struct init_request_bsd	bsd;
+                char			data[368];
+        } i;
+};