FreeNAS Code

85 lines (73 with data), 1.6 kB

#!/bin/sh
#
# $FreeBSD: src/etc/rc.d/sysctl,v 1.17.2.2.4.1 2009/04/15 03:14:26 kensmith Exp $
#
# Modified by Volker Theile (votdev@gmx.de)
# Changes:
# - Add command mkconf
# - Add full path to command sysctl to fix execution bug
#

# PROVIDE: sysctl
# REQUIRE: root
# BEFORE:  DAEMON

. /etc/rc.subr
. /etc/configxml.subr

name="sysctl"
stop_cmd=":"
start_precmd="sysctl_mkconf"
start_cmd="sysctl_start"
reload_cmd="sysctl_start"
lastload_cmd="sysctl_start last"
mkconf_cmd="sysctl_mkconf"
extra_commands="reload lastload mkconf"

# Defaults
sysctl_config=${sysctl_config:-"/etc/sysctl.conf"}

sysctl_mkconf()
{
	# Clear /etc/sysctl.conf
	cat /dev/null > ${sysctl_config}

	# Generate /etc/sysctl.conf
	/usr/local/bin/xml sel -t -m "//system/sysctl/param[enable]" \
		-i "string-length(comment) > 0" \
			-v "concat('# ',comment)" -n \
		-b \
		-v "concat(name,'=',value)" -n \
		${configxml_file} | /usr/local/bin/xml unesc >> ${sysctl_config}
}

#
# Read in a file containing sysctl settings and set things accordingly.
#
parse_file()
{
	if [ -f $1 ]; then
		while read var comments
		do
			case ${var} in
			\#*|'')
				;;
			*)
				mib=${var%=*}
				val=${var#*=}

				if current_value=`${SYSCTL} -n ${mib} 2>/dev/null`; then
					case ${current_value} in
					${val})
						;;
					*)
						/sbin/sysctl "${var}"
						;;
					esac
				elif [ "$2" = "last" ]; then
					warn "sysctl ${mib} does not exist."
				fi
				;;
			esac
		done < $1
	fi
}

sysctl_start()
{

	parse_file /etc/sysctl.conf $1
	parse_file /etc/sysctl.conf.local $1
}

load_rc_config $name
run_rc_command "$1"