mirror of
https://github.com/vanhoefm/fragattacks.git
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53 lines
1.3 KiB
Bash
53 lines
1.3 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2020, Mathy Vanhoef <mathy.vanhoef@nyu.be>
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#
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# This code may be distributed under the terms of the BSD license.
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# See README for more details.
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set -e
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NOHWCRYPT="ath5k ath9k ath9k_htc rt2800usb carl9170 b43 p54common rt2500usb rt2800pci rt2800usb rt73usb"
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SWCRYPTO="iwlwifi iwl3945 iwl4965"
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HWCRYPTO="ipw2200"
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hwcrypt_remove_modules() {
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# Remove loaded modules so they'll reload parameters
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for MODULE in $NOHWCRYPT $SWCRYPTO $HWCRYPTO
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do rmmod $MODULE 2> /dev/null || true; done
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}
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hwcrypt_off() {
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# Create nohwcrypt.conf options file
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rm /etc/modprobe.d/nohwcrypt.conf 2> /dev/null || true
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for MODULE in $NOHWCRYPT
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do echo "options $MODULE nohwcrypt=1" >> /etc/modprobe.d/nohwcrypt.conf; done
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for MODULE in $SWCRYPTO
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do echo "options $MODULE swcrypto=1" >> /etc/modprobe.d/nohwcrypt.conf; done
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for MODULE in $HWCRYPTO
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do echo "options $MODULE hwcrypto=0" >> /etc/modprobe.d/nohwcrypt.conf; done
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# Done. To be sure parameters are reloaded, reboot computer.
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hwcrypt_remove_modules
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echo "Done. Reboot your computer."
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}
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hwcrypt_on() {
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rm -f /etc/modprobe.d/nohwcrypt.conf
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hwcrypt_remove_modules
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echo "Done. Reboot your computer."
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}
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if [[ $1 == "on" ]]; then
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hwcrypt_on
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elif [[ $1 == "off" ]]; then
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hwcrypt_off
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else
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echo "Usage: $0 on|off"
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fi
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