88 lines
2.5 KiB
Bash
88 lines
2.5 KiB
Bash
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#!/bin/bash
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#
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# Copyright 2007 Luis R. Rodriguez <mcgrof@winlab.rutgers.edu>
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#
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# You can use these to enable/disable modules without blacklisting them
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# Make sure our imporant paths are included
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PATH=$PATH:/usr/sbin:/sbin
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# Appended to module file at the end when we want to ignore one
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IGNORE_SUFFIX=".ignore"
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VER=`uname -r`
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# If 'module' is found, its renamed to 'module.ignore'
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function module_disable {
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# Basic check to see if this is a module available for loading
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MODULE_CHECK=`modprobe -l $1`
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if [ -z $MODULE_CHECK ]; then
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echo "Module $1 not detected -- this is fine"
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return
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fi
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MODULE=$1
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MODULE_KO=${MODULE}.ko
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# In case there are more than one of these modules. This can
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# happen, for example if your distribution provides one and you have
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# compiled one in yourself later.
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MODULE_COUNT=`find /lib/modules/$VER/ -name $MODULE_KO | wc -l`
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ALL_MODULES=`find /lib/modules/$VER/ -name $MODULE_KO`
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COUNT=1
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CHECK=`modprobe -l $MODULE`
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for i in $ALL_MODULES; do
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if [[ $MODULE_COUNT -gt 1 ]]; then
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if [[ $COUNT -eq 1 ]]; then
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echo -en "$MODULE_COUNT $MODULE modules found "
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echo -e "we'll disable all of them"
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fi
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echo -en "Disabling $MODULE ($COUNT) ..."
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else
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echo -en "Disabling $MODULE ..."
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fi
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mv -f $i ${i}${IGNORE_SUFFIX}
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depmod -a
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CHECK_AGAIN=`modprobe -l $MODULE`
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if [ "$CHECK" != "$CHECK_AGAIN" ]; then
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echo -e "\t[OK]\tModule disabled:"
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echo "$CHECK"
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else
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echo -e "[ERROR]\tModule is still being detected:"
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echo "$CHECK"
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fi
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let COUNT=$COUNT+1
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done
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}
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# If 'module.ignore' is found, rename it back to 'module'
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function module_enable {
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MODULE=$1
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MODULE_KO=${MODULE}.ko
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IGNORED_MODULE=${MODULE_KO}${IGNORE_SUFFIX}
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# In case there are more than one of these modules. This can
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# happen, for example if your distribution provides one and you have
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# compiled one in yourself later.
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ALL_MODULES=`find /lib/modules/$VER/ -name $IGNORED_MODULE`
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for i in $ALL_MODULES; do
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echo -en "Enabling $MODULE ..."
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DIR=`dirname $i`
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mv $i $DIR/$MODULE_KO
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depmod -a
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CHECK=`modprobe -l $MODULE`
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if [ "$DIR/$MODULE_KO" != $CHECK ]; then
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if [ -z $CHECK ]; then
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echo -e "\t[ERROR]\tModule could not be enabled"
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else
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echo -en "\t[OK]\tModule renamed but another "
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echo "module file is being preferred"
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echo -e "Renamed module:\t\t$DIR/$MODULE_KO"
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echo -e "Preferred module:\t$CHECK"
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fi
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else
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echo -e "\t[OK]\tModule enabled: "
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echo "$DIR/$MODULE_KO"
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fi
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# Lets only do this for the first module found
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break
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done
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}
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