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|
#!/bin/bash
# Slackware build script for afl
# Written by B. Watson (yalhcru@gmail.com)
# Licensed under the WTFPL. See http://www.wtfpl.net/txt/copying/ for details.
# 20200217 bkw: BUILD=2.
# - fix afl-clang-fast
# - include README.llvm and optional README.qemu in doc dir
# - update README slightly
# 20180709 bkw: updated for v2.52b.
cd $(dirname $0) ; CWD=$(pwd)
PRGNAM=afl
VERSION=${VERSION:-2.52b}
BUILD=${BUILD:-2}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}
if [ -z "$ARCH" ]; then
case "$( uname -m )" in
i?86) ARCH=i586 ;;
arm*) ARCH=arm ;;
*) ARCH=$( uname -m ) ;;
esac
fi
# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
exit 0
fi
TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}
if [ "$ARCH" = "i586" ]; then
SLKCFLAGS="-O2 -march=i586 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "i686" ]; then
SLKCFLAGS="-O2 -march=i686 -mtune=i686"
LIBDIRSUFFIX=""
elif [ "$ARCH" = "x86_64" ]; then
SLKCFLAGS="-O2 -fPIC"
LIBDIRSUFFIX="64"
else
SLKCFLAGS="-O2"
LIBDIRSUFFIX=""
fi
set -e
rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $PRGNAM-$VERSION
tar xvf $CWD/$PRGNAM-$VERSION.tgz
cd $PRGNAM-$VERSION
chown -R root:root .
find -L . -perm /111 -a \! -perm 755 -a -exec chmod 755 {} \+ -o \
\! -perm /111 -a \! -perm 644 -a -exec chmod 644 {} \+
# apply slack cflags, tell gcc to create stripped binaries
sed -i "/^CFLAGS/s|-O3.*|$SLKCFLAGS -Wl,-s|" Makefile llvm_mode/Makefile
sed -i "/^CFLAGS/s|-O3|$SLKCFLAGS|" qemu_mode/build_qemu_support.sh
PKGDOC=$PKG/usr/doc/$PRGNAM-$VERSION
make \
DESTDIR=$PKG \
PREFIX=/usr \
HELPER_PATH=/usr/lib$LIBDIRSUFFIX/$PRGNAM \
DOC_PATH=/usr/doc/$PRGNAM-$VERSION \
all \
install
# llvm fast mode looks useful, include it.
# comment this out if you're building on slack 14.1, its llvm is too old.
make -C llvm_mode \
PREFIX=/usr \
HELPER_PATH=/usr/lib$LIBDIRSUFFIX/$PRGNAM
# no 'make install' support, manual install.
install -s -m0755 -oroot -groot afl-clang-fast $PKG/usr/bin
ln -s afl-clang-fast $PKG/usr/bin/afl-clang-fast++
# 20200217 bkw: clang fast mode support libraries. Thanks to mity for
# a very detailed bug report.
CLANGLIB=$PKG/usr/lib$LIBDIRSUFFIX/$PRGNAM
install -s -m0755 -oroot -groot afl-llvm-pass.so $CLANGLIB
# no -s here, stripping this would be bad:
install -m0644 -oroot -groot afl-llvm-rt*.o $CLANGLIB
# replace identical .o files with symlinks
baseobj=$CLANGLIB/afl-llvm-rt.o
for bits in 32 64; do
bitobj=$CLANGLIB/afl-llvm-rt-$bits.o
if [ -e $bitobj ] && cmp $bitobj $baseobj; then
rm -f $bitobj
ln -s afl-llvm-rt.o $bitobj
fi
done
WITHQEMU="without"
# figure out the qemu source tarball name. N.B. update the README
# when this changes!
( egrep "^(VERSION|QEMU_URL)=" qemu_mode/build_qemu_support.sh > 1.sh
source ./1.sh
echo "$QEMU_URL" > qemu.url )
QEMU_SRC="$( basename "$( cat qemu.url )" )"
# optional qemu support, needed for fuzzing binary-only stuff,
# only built if $CWD contains the qemu source.
if [ -e "$CWD/$QEMU_SRC" ]; then
echo "=== qemu source \$CWD/$QEMU_SRC found"
cp "$CWD/$QEMU_SRC" qemu_mode
cd qemu_mode
sh build_qemu_support.sh
cp -a README.qemu $PKGDOC
cd -
install -s -m0755 -oroot -groot afl-qemu-trace $PKG/usr/bin
WITHQEMU="with"
else
echo "!!! qemu source \$CWD/$QEMU_SRC not found"
echo "!!! wget $( cat qemu.url )"
# grep for the !!! in the log to find the URL, when updating afl
fi
# 'make install' already put the docs where they belong.
# the experimental/ stuff is sample source code, include in docs.
# since llvm_mode has no 'make install', we install its doc here.
cp -a llvm_mode/README.llvm experimental $PKGDOC
cat $CWD/$PRGNAM.SlackBuild > $PKGDOC/$PRGNAM.SlackBuild
mkdir -p $PKG/install
sed "s,@WITHQEMU@,$WITHQEMU," $CWD/slack-desc > $PKG/install/slack-desc
cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
|
