diff options
Diffstat (limited to 'get')
| -rwxr-xr-x | get | 75 |
1 files changed, 1 insertions, 74 deletions
@@ -1,78 +1,5 @@ #!/bin/bash -mkdir -p tmp db -die() { - echo >&2 $1 - exit 1 -} -dump_symbols() { - readelf -Ws $1 | perl -n -e '/: (\w*).*?(\w+)@@GLIBC_/ && print "$2 $1\n"' -} -extract_label() { - perl -n -e '/(\w+)/ && print $1' -} -dump_libc_start_main_ret() { - local call_main=`objdump -D $1 \ - | grep -A 100 '<__libc_start_main>' \ - | grep call \ - | grep -B 1 '<exit>' \ - | head -n 1 \ - | extract_label` - local offset=`objdump -D $1 | egrep -A 1 "(^| )$call_main:" | tail -n 1 | extract_label` - if [[ "$offset" != "" ]]; then - echo "__libc_start_main_ret $offset" - fi -} -dump_bin_sh() { - local offset=`strings -a -t x $1 | grep '/bin/sh' | extract_label` - if [[ "$offset" != "" ]]; then - echo "str_bin_sh $offset" - fi -} -get_ubuntu() { - local url="$1" - local info="$2" - echo "Getting $info" - echo " -> Location: $url" - local id=`echo $url | perl -n -e '/(libc6[^\/]*)\./ && print $1'` - echo " -> ID: $id" - if [[ -e db/${id}.info ]]; then - echo " -> Already have this version, 'rm db/${id}.*' to force" - return - fi - echo " -> Downloading package" - rm -rf tmp/* - wget $url 2>/dev/null -O tmp/pkg.deb || die "Failed to download package from $url" - echo " -> Extracting package" - cd tmp - ar x pkg.deb || die "ar failed" - tar xf data.tar.* || die "tar failed" - cd .. - local libc=`find tmp -name libc.so.6 || die "Cannot locate libc.so.6"` - echo " -> Writing libc to db/${id}.so" - cp $libc db/${id}.so - echo " -> Writing symbols to db/${id}.symbols" - (dump_symbols $libc; dump_libc_start_main_ret $libc; dump_bin_sh $libc) \ - > db/${id}.symbols - echo " -> Writing version info" - echo "$info" > db/${id}.info -} -get_current_ubuntu() { - local version=$1 - local arch=$2 - local pkg=$3 - local info=ubuntu-$version-$arch-$pkg - echo "Getting package location for ubuntu-$version-$arch" - local url=`(wget http://packages.ubuntu.com/$version/$arch/$pkg/download -O - 2>/dev/null \ - | grep -oh 'http://[^"]*libc6[^"]*.deb') || die "Failed to get package version"` - get_ubuntu $url $info -} -get_all_ubuntu() { - local info=$1 - local url=$2 - for f in `wget $url/ -O - 2>/dev/null | egrep -oh 'libc6(-i386|-amd64)?_[^"]*' |grep -v "</a>"`; do - get_ubuntu $url/$f $1 - done -} +. common/libc.sh get_current_ubuntu trusty i386 libc6 get_current_ubuntu trusty amd64 libc6 |