etc/rc.d/sysctl

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