Deadlyelder · April 24, 2017 07:18
diff --git a/clean-wifi.sh b/clean-wifi.sh
 #! /bin/bash
 set -euo pipefail

 # This script will remove automatic association for all networks not listed in the whitelist
 # passed as the first argument. Passwords will NOT be removed from the Keychain.
 #
 # Alternatively, you can untick "Remember networks" in Network Preferences > Wi-Fi > Advanced,
 # but then you won't be able to auto-join networks even temporarily, and you might already
 # have a long list to go through.
 #
 # Having automatic association for open or known-password networks is dangerous as it
 # allows an attacker to force you on their network by simple proximity.
 #
 # You'll have to run this as sudo not to be prompted at every entry.

 DEVICE="en0"

 networksetup -listpreferredwirelessnetworks "$DEVICE" | tail -n +2 | cut -d$'\t' -f2- | \
 while IFS= read -r network
 do
        grep -Fxe "$network" "$1" > /dev/null || (
                networksetup -removepreferredwirelessnetwork "$DEVICE" "$network"
        )
 done
	#! /bin/bash
	set -euo pipefail

	# This script will remove automatic association for all networks not listed in the whitelist
	# passed as the first argument. Passwords will NOT be removed from the Keychain.
	#
	# Alternatively, you can untick "Remember networks" in Network Preferences > Wi-Fi > Advanced,
	# but then you won't be able to auto-join networks even temporarily, and you might already
	# have a long list to go through.
	#
	# Having automatic association for open or known-password networks is dangerous as it
	# allows an attacker to force you on their network by simple proximity.
	#
	# You'll have to run this as sudo not to be prompted at every entry.

	DEVICE="en0"

	networksetup -listpreferredwirelessnetworks "$DEVICE" \| tail -n +2 \| cut -d$'\t' -f2- \| \
	while IFS= read -r network
	do
	grep -Fxe "$network" "$1" > /dev/null \|\| (
	networksetup -removepreferredwirelessnetwork "$DEVICE" "$network"
	)
	done