openbsd_interfacetoggle_ksh/interfacetoggle at master · dmblack/openbsd_interfacetoggle_ksh · GitHub

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#!/bin/ksh

disableInterface() {
  mv $INTERFACEENABLEDFILE $INTERFACEDISABLEDFILE
}

enableInterface() {
  mv $INTERFACEDISABLEDFILE $INTERFACEENABLEDFILE
}

unsetInterface() {
  ifconfig $INTERFACE down
  ifconfig $INTERFACE -inet
}

startInterface() {
  sh -x /etc/netstart $INTERFACE
}

toggleProfile() {
  cp $INTERFACEDISABLEDPROFILE $INTERFACEENABLEDFILE
  toggleIKECTL
}

toggleIKECTL() {
  if [ "$PROFILE" = "wap" ]
    then
      echo "Decoupling IKE"
      /usr/sbin/ikectl decouple
    else
      echo "Coupling IKE"
      /usr/sbin/ikectl couple
  fi
}

perform() {
  ACTION="NO"
  INTERFACEENABLEDFILE="/etc/hostname.$INTERFACE"
  INTERFACEDISABLEDFILE="/etc/hostname.$INTERFACE.disabled"
  INTERFACEDISABLEDPROFILE="/etc/hostname.$INTERFACE.$PROFILE"

  if [[ -e $INTERFACEDISABLEDPROFILE ]]
    then
      ACTION="ENABLE/TOGGLE"
      toggleProfile
      startInterface
  else
    if [[ -e $INTERFACEENABLEDFILE ]]
      then
        ACTION="DISABLE"
        disableInterface
        unsetInterface
    else
      if [[ -e $INTERFACEDISABLEDFILE ]]
        then
          ACTION="ENABLE"
          enableInterface
          startInterface
      fi
    fi
  fi

  echo "Performed $ACTION action."
}

if [ $# -eq 0 ]
  then
    cat << EOF
Toggles your network interface, with optional profile.
usage: interfacetoggle <interface> [<profile>]

Example;
  doas /bin/sh -x /etc/interfacetoggle iwm0
  doas /bin/sh -x /etc/interfacetoggle iwm0 home

Note:
Above examples encourage usage of doas.
EOF
    return 0 2>/dev/null
    exit 0
  else
    INTERFACE=$1
    PROFILE=$2
    perform
fi