mirror of
https://github.com/vanhoefm/fragattacks.git
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47 lines
1.2 KiB
Bash
47 lines
1.2 KiB
Bash
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#!/bin/bash
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# Copyright (c) 2017, Mathy Vanhoef <Mathy.Vanhoef@cs.kuleuven.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 rt73usb"
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SWCRYPTO="iwlwifi iwl3945 iwl4965"
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HWCRYPTO="ipw2200"
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MODFILE="/etc/modprobe.d/nohwcrypt.conf"
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# 0. Check if we have root privileges
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root"
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exit 1
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fi
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# 1. Create nohwcrypt.conf options file
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rm $MODFILE 2> /dev/null || true
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for MODULE in $NOHWCRYPT
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do echo "options $MODULE nohwcrypt=1" >> $MODFILE; done
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for MODULE in $SWCRYPTO
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do echo "options $MODULE swcrypto=1" >> $MODFILE; done
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for MODULE in $HWCRYPTO
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do echo "options $MODULE hwcrypto=0" >> $MODFILE; done
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# 2. Remove loaded modules so they'll reload parameters. Note that modules that
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# are in use by others won't be removed (e.g. iwlwifi won't be removed).
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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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# 3. Done. To be sure parameters are reloaded, reboot computer.
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echo "Created config file $MODFILE to disable hardware decryption."
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echo "Reboot your computer to apply the changes."
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