etc/rc.d/sysctl

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: sysctl
   7 # REQUIRE: root
   8 # BEFORE:  DAEMON
   9
  10 . /etc/rc.subr
  11
  12 name="sysctl"
  13 stop_cmd=":"
  14 start_cmd="sysctl_start"
  15 reload_cmd="sysctl_start"
  16 lastload_cmd="sysctl_start last"
  17 extra_commands="reload lastload"
  18
  19 #
  20 # Read in a file containing sysctl settings and set things accordingly.
  21 #
  22 parse_file()
  23 {
  24         if [ -f $1 ]; then
  25                 while read var comments
  26                 do
  27                         case ${var} in
  28                         \#*|'')
  29                                 ;;
  30                         *)
  31                                 mib=${var%=*}
  32                                 val=${var#*=}
  33
  34                                 if current_value=`${SYSCTL} -n ${mib} 2>/dev/null`; then
  35                                         case ${current_value} in
  36                                         ${val})
  37                                                 ;;
  38                                         *)
  39                                                 if ! sysctl "${var}" >/dev/null 2>&1; then
  40                                                         warn "unable to set ${var}"
  41                                                 fi
  42                                                 ;;
  43                                         esac
  44                                 elif [ "$2" = "last" ]; then
  45                                         warn "sysctl ${mib} does not exist."
  46                                 fi
  47                                 ;;
  48                         esac
  49                 done < $1
  50         fi
  51 }
  52
  53 sysctl_start()
  54 {
  55
  56         parse_file /etc/sysctl.conf $1
  57         parse_file /etc/sysctl.conf.local $1
  58 }
  59
  60 load_rc_config $name
  61 run_rc_command "$1"