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#!/bin/bash
#
# Copyright (c) TrueCrypt Foundation. All rights reserved.
#
# Covered by the TrueCrypt License 2.3 the full text of which is contained
# in the file License.txt included in TrueCrypt binary and source code
# distribution packages.
#
[ -z "$KERNEL_VER" ] && KERNEL_VER=$(uname -r)
KERNEL_BUILD=/lib/modules/$KERNEL_VER/build
KERNEL_SRC=/lib/modules/$KERNEL_VER/source
TMP=.build.sh.tmp
umask 022
error ()
{
echo "Error: $*" >&2
}
check_kernel_version ()
{
M="$1/Makefile"
[ ! -f "$M" ] && return 1
VER=$(grep '^VERSION *=' "$M" | head -n 1 | tr -d ' ' | cut -d'=' -f2)
VER=$VER.$(grep '^PATCHLEVEL *=' "$M" | head -n 1 | tr -d ' ' | cut -d'=' -f2)
VER=$VER.$(grep '^SUBLEVEL *=' "$M" | head -n 1 | tr -d ' ' | cut -d'=' -f2)
[ $VER = $(echo $KERNEL_VER | cut -d- -f1 | cut -d. -f1-3) ] && return 0
return 1
}
# Prerequisites
echo "Checking build requirements..."
[ $(id -u) -ne 0 ] && error "Administrator (root) privileges required for kernel source configuration." && exit 1
V=""
case "$KERNEL_VER" in
[01].*) V=1 ;;
2.[0-5].*) V=1 ;;
2.6.[0-4]) V=1 ;;
2.6.[0-4][.-]*) V=1 ;;
esac
[ "$V" ] && error "TrueCrypt requires Linux kernel 2.6.5 or later" && exit 1
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/linux-$KERNEL_VER
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/linux-source-$KERNEL_VER
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/kernels/$KERNEL_VER-$(uname -p)
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/linux-$(echo $KERNEL_VER | cut -d'-' -f1)
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/linux-source-$(echo $KERNEL_VER | cut -d'-' -f1)
check_kernel_version "$KERNEL_SRC" || KERNEL_SRC=/usr/src/linux
if ! check_kernel_version "$KERNEL_SRC"
then
echo -n "Linux kernel ($KERNEL_VER) source directory [$KERNEL_SRC]: "
read A
[ "$A" ] && KERNEL_SRC="$A"
[ ! -d "$KERNEL_SRC" ] && error "$KERNEL_SRC does not exit" && exit 1
fi
if ! check_kernel_version "$KERNEL_SRC"
then
error "Kernel source version in $KERNEL_SRC is not $KERNEL_VER"
exit 1
fi
if [ ! -f "$KERNEL_SRC/drivers/devices/md/dm.h" ] << tu zmiana
then
error "Kernel source code is incomplete - $KERNEL_SRC/drivers/devices/md/dm.h not found." << tu zmiana
exit 1
fi
if [ ! -d "$KERNEL_BUILD/include/asm/" -o ! -f "$KERNEL_BUILD/Module.symvers" -o ! -f "$KERNEL_BUILD/.config" ]
then
if [ ! -f "$KERNEL_SRC/.config" ]
then
if [ -f /proc/config.gz -o -f /boot/config-$KERNEL_VER -o -f /boot/config-$(uname -r) ]
then
echo -n "Configure kernel source according to the system configuration? [Y/n]: "
read A
if [ -z "$A" -o "$A" = "y" -o "$A" = "Y" ]
then
echo -n "Configuring kernel source in $KERNEL_SRC... "
if [ -f /proc/config.gz ]
then
zcat /proc/config.gz >$KERNEL_SRC/.config || exit 1
else
if [ -f /boot/config-$(uname -r) ]
then
cp /boot/config-$(uname -r) $KERNEL_SRC/.config || exit 1
else
cp /boot/config-$KERNEL_VER $KERNEL_SRC/.config || exit 1
fi
fi
make -C $KERNEL_SRC oldconfig </dev/null >/dev/null || exit 1
echo Done.
fi
fi
if [ ! -f "$KERNEL_SRC/.config" ]
then
error "Kernel not configured. You should run make -C $KERNEL_SRC config"
exit 1
fi
fi
if [ ! -d "$KERNEL_SRC/include/asm" ] && grep -q modules_prepare $KERNEL_SRC/Makefile
then
echo -n "Preparing kernel build system in $KERNEL_SRC... "
if ! make -C $KERNEL_SRC modules_prepare >/dev/null 2>$TMP
then
cat $TMP; rm $TMP
exit 1
fi
rm $TMP
echo Done.
fi
if [ ! -d "$KERNEL_SRC/include/asm" -o ! -f "$KERNEL_SRC/Module.symvers" ]
then
echo -n "Building internal kernel modules (may take a long time)... "
if ! make -C $KERNEL_SRC modules >/dev/null 2>$TMP
then
cat $TMP; rm $TMP
exit 1
fi
rm $TMP
echo Done.
fi
if [ ! -d "$KERNEL_SRC/include/asm" ]
then
error "Kernel source code is not prepared for building of modules - $KERNEL_SRC/include/asm not found."
exit 1
fi
KERNEL_BUILD=$KERNEL_SRC
fi
if [ -f $KERNEL_BUILD/.config ]
then
grep -qi 'CONFIG_BLK_DEV_DM=[YM]' $KERNEL_BUILD/.config || echo "Warning: kernel device mapper support (CONFIG_BLK_DEV_DM) is disabled in $KERNEL_SRC"
fi
# Build
echo -n "Building kernel module... "
cd Kernel && make "KERNEL_SRC=$KERNEL_SRC" "KERNEL_BUILD=$KERNEL_BUILD" NO_WARNINGS=1 >/dev/null
[ $? -ne 0 ] && error "Failed to build kernel module" && exit 1
echo Done.
echo -n "Building truecrypt... "
cd ../Cli && make NO_WARNINGS=1 >/dev/null
[ $? -ne 0 ] && error "Failed to build truecrypt" && exit 1
echo Done.
exit 0
