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#! /bin/sh -e
# Naive shell script to translate modules.conf + defaults to modprobe.conf
# Normal caveats apply, as with any machine translation.
if [ $# -gt 2 ] || [ x"$1" = x--help ]; then
echo "Usage: $0 [--stdin] [modprobe.conf]"
echo " Converts your current modules setup to modprobe.conf."
echo " Don't trust it too much."
echo " Version 0.1"
exit 1
fi
STDIN=
if [ "$1" = "--stdin" ]; then
STDIN=1
shift
fi
# Set up output if specified.
if [ $# -eq 1 ]; then exec > $1; fi
MODPROBECONF=`mktemp /tmp/modprobe.XXXXXX || tempfile || echo /tmp/modprobe.$$`
trap "rm -f $MODPROBECONF" 0
if [ x"$TESTING_MODPROBE_CONF" != x ]; then
cp $TESTING_MODPROBE_CONF $MODPROBECONF
elif [ "$STDIN" = "1" ]; then
cat > $MODPROBECONF
elif [ -x /sbin/modprobe.old ]; then
# In sbin.
/sbin/modprobe.old -c > $MODPROBECONF
elif modprobe.old -c >/dev/null 2>&1; then
# Somewhere in path.
modprobe.old -c > $MODPROBECONF
elif /sbin/modprobe -V 2>/dev/null | grep -q 'modprobe version'; then
# Running /sbin/modprobe gives old version.
/sbin/modprobe -c > $MODPROBECONF
elif modprobe -V 2>/dev/null | grep -q 'modprobe version'; then
# Running modprobe gives old version.
modprobe -c > $MODPROBECONF
else
echo Cannot find old version of modprobe. Giving up. 2>&1
exit 1
fi
# Resolve (possibly recursive) alias: args filename alias
resolve_alias()
{
RA_RESOLVE=`grep "^alias[ ][ ]*$2[ ]" -- $1 | awk '{ print $3 }'`
if [ x"$RA_RESOLVE" = x ]; then
echo $2
return
fi
# Recurse.
(resolve_alias $1 "$RA_RESOLVE")
}
# Parse alias: args filename modulename aliasto.
parse_alias()
{
PA_ALIAS=`resolve_alias $1 $3`
NAME=`echo $2|sed -e 's/\(block\|char\)-major-\([0-9]\+\)$/\1-major-\2-*/'`
echo "alias $NAME $PA_ALIAS"
}
# Parse options: args modulename aliasto.
parse_options()
{
# Second arg can be null if grab_noninstall options returns empty.
[ x"$2" = x ] || echo "options $1 $2"
}
# Separate out the modprobe options from the module options
grab_install_options()
{
GRAB_OPTS=""
GRAB_NEXT=0
for grab_i; do
case "$grab_i" in
-o) GRAB_OPTS="$GRAB_OPTS -o"; GRAB_NEXT=1;;
-*) echo Warning: Ignoring unknown alias option "$grab_i" >&2;;
*)
[ $GRAB_NEXT = 0 ] || GRAB_OPTS="$GRAB_OPTS $grab_i"
GRAB_NEXT=0
;;
esac
done
echo "$GRAB_OPTS"
}
grab_noninstall_options()
{
GRAB_OPTS=""
GRAB_NEXT=0
for grab_i; do
case "$grab_i" in
-o) GRAB_NEXT=1;;
-*) ;;
*)
[ $GRAB_NEXT = 1 ] || GRAB_OPTS="$GRAB_OPTS $grab_i"
GRAB_NEXT=0
;;
esac
done
echo "$GRAB_OPTS"
}
# Produce a multiple install/remove commands. Args: list, command, separator.
multi()
{
mp_res=""
for mp_arg in $1; do
if [ x"$mp_res" = x ]; then mp_res="/sbin/$2 $mp_arg";
else mp_res="$mp_res${3}/sbin/$2 $mp_arg";
fi
done
echo "$mp_res"
}
# Install and remove commands frequently refer to insmod and rmmod.
# Use "modprobe --ignore-install " and "modprobe -r --ignore-remove" since
# our versions of rmmod and insmod are deliberately stupid.
convert_command()
{
echo "$@" | sed -e 's,insmod,/sbin/modprobe --ignore-install,' -e 's,rmmod,/sbin/modprobe -r --ignore-remove,'
}
while read ADD NAME MODULE REST; do
# Ignore a spurious add, otherwise move them down.
if [ x"$ADD" = x"add" ]; then :; else
REST="`echo $MODULE $REST | sed 's/ *$//'`"
MODULE="$NAME"
NAME="$ADD";
fi
#echo "NAME=$NAME MODULE=$MODULE REST=$REST" >&2
# MODNAME is the converted name for use in variables.
MODNAME=`echo $MODULE | tr -c A-Za-z_0-9 _`
case "$NAME" in
'#'*) : ;; # Comment
'') : ;; # Blank line
keep) # Do nothing.
;;
alias)
if [ x"$REST" = xoff ] || [ x"$REST" = xnull ]; then
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval install_$MODNAME=\"/bin/true\"
else
parse_alias $MODPROBECONF "$MODULE" $REST
fi
;;
options)
# Options used to be able to contain extra args to insmod
# (eg. -o foo). Not any more.
case " $REST" in
*' '-[-a-z]*)
parse_options $MODULE `grab_noninstall_options $REST`
INSTALL_OPTIONS=`grab_install_options $REST`
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval install_$MODNAME=\"/sbin/modprobe $INSTALL_OPTIONS --ignore-install `resolve_alias $MODPROBECONF $MODULE`\"
;;
*)
parse_options $MODULE "$REST"
;;
esac
;;
above)
# Pull in these modules after me.
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval post_install_$MODNAME=\"`multi "$REST" 'modprobe' '; '`\; /bin/true\"
REMOVE_COMMANDS="$REMOVE_COMMANDS $MODULE"
eval pre_remove_$MODNAME=\"`multi "$REST" 'modprobe -r' '; '`\"
;;
below)
# Pull in these modules before me.
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval pre_install_$MODNAME=\"`multi "$REST" 'modprobe' '; '`\"
REMOVE_COMMANDS="$REMOVE_COMMANDS $MODULE"
eval post_remove_$MODNAME=\"`multi "$REST" 'modprobe -r' '; '`\; /bin/true\"
;;
probe)
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval install_$MODNAME=\"`multi "$REST" 'modprobe' ' || '`\"
;;
probeall)
# Not quite correct. If they all fail, we should fail.
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval install_$MODNAME=\"`multi "$REST" 'modprobe' '; '`\; /bin/true\"
;;
post-install)
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval post_install_$MODNAME=\"`convert_command "$REST"`\"
;;
pre-install)
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval pre_install_$MODNAME=\"`convert_command "$REST"`\"
;;
install)
INSTALL_COMMANDS="$INSTALL_COMMANDS $MODULE"
eval install_$MODNAME=\"`convert_command "$REST"`\"
;;
post-remove)
REMOVE_COMMANDS="$REMOVE_COMMANDS $MODULE"
eval post_remove_$MODNAME=\"`convert_command "$REST"`\"
;;
pre-remove)
REMOVE_COMMANDS="$REMOVE_COMMANDS $MODULE"
eval pre_remove_$MODNAME=\"`convert_command "$REST"`\"
;;
remove)
REMOVE_COMMANDS="$REMOVE_COMMANDS $MODULE"
eval remove_$MODNAME=\"`convert_command "$REST"`\"
;;
include)
# Recurse.
($0 $MODULE)
;;
# Ignore default lines which are not required any more.
"path[boot]=/lib/modules/boot"|"path[toplevel]=/lib/modules/`uname -r`"|"path[toplevel]=/lib/modules/2.4"|"path[kernel]=/lib/modules/kernel"|"path[fs]=/lib/modules/fs"|"path[net]=/lib/modules/net"|"path[scsi]=/lib/modules/scsi"|"path[block]=/lib/modules/block"|"path[cdrom]=/lib/modules/cdrom"|"path[ipv4]=/lib/modules/ipv4"|"path[ipv6]=/lib/modules/ipv6"|"path[sound]=/lib/modules/sound"|"path[fc4]=/lib/modules/fc4"|"path[video]=/lib/modules/video"|"path[misc]=/lib/modules/misc"|"path[pcmcia]=/lib/modules/pcmcia"|"path[atm]=/lib/modules/atm"|"path[usb]=/lib/modules/usb"|"path[ide]=/lib/modules/ide"|"path[ieee1394]=/lib/modules/ieee1394"|"path[mtd]=/lib/modules/mtd"|"generic_stringfile=/lib/modules/`uname -r`/modules.generic_string"|"pcimapfile=/lib/modules/`uname -r`/modules.pcimap"|"isapnpmapfile=/lib/modules/`uname -r`/modules.isapnpmap"|"usbmapfile=/lib/modules/`uname -r`/modules.usbmap"|"parportmapfile=/lib/modules/`uname -r`/modules.parportmap"|"ieee1394mapfile=/lib/modules/`uname -r`/modules.ieee1394map"|"pnpbiosmapfile=/lib/modules/`uname -r`/modules.pnpbiosmap"|"depfile=/lib/modules/`uname -r`/modules.dep"|"persistdir=/var/lib/modules/persist")
;;
# Ignore prune lines unless they end in .o or .ko, which would
# have an effect.
prune)
case "$MODULE" in
*.ko|*.o)
echo "Warning: not translating $NAME $MODULE $REST" >&2
;;
esac
;;
*)
echo "Warning: not translating $NAME $MODULE $REST" >&2
;;
esac
done < $MODPROBECONF
for mod in `echo $INSTALL_COMMANDS | tr ' ' '\n' | sort -u`; do
# MODNAME is the converted name for use in variables.
MODNAME=`echo $mod | tr -c A-Za-z_0-9 _`
eval PREINSTALL=\"\$pre_install_$MODNAME\"
eval POSTINSTALL=\"\$post_install_$MODNAME\"
eval INSTALL=\"\$\{install_$MODNAME:-/sbin/modprobe --first-time --ignore-install $mod}\"
if [ -n "$PREINSTALL" ]; then PREINSTALL="{ $PREINSTALL; } ; "; fi
if [ -n "$POSTINSTALL" ]; then POSTINSTALL="&& { $POSTINSTALL; }"; fi
echo install $mod $PREINSTALL $INSTALL $POSTINSTALL
done
for mod in `echo $REMOVE_COMMANDS | tr ' ' '\n' | sort -u`; do
# MODNAME is the converted name for use in variables.
MODNAME=`echo $mod | tr -c A-Za-z_0-9 _`
eval PREREMOVE=\"\$pre_remove_$MODNAME\"
eval POSTREMOVE=\"\$post_remove_$MODNAME\"
eval REMOVE=\"\$\{remove_$MODNAME:-/sbin/modprobe -r --first-time --ignore-remove $mod}\"
if [ -n "$PREREMOVE" ]; then PREREMOVE="{ $PREREMOVE; } ; "; fi
if [ -n "$POSTREMOVE" ]; then POSTREMOVE="&& { $POSTREMOVE; }"; fi
echo remove $mod $PREREMOVE $REMOVE $POSTREMOVE
done
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