newhashcat.sh

newhashcat.sh

#!/bin/bash
#-----------------------------------------------------------------------------
# Created: 2019-04-20
# $Id: newhashcat,v 1.6 2020/06/15 14:54:08 root Exp $
#-----------------------------------------------------------------------------
# TODO
# - prompt to sync royce code or not
# - prompt to use a custom algorithm for testing phase (or 'q' to skip?)
# - check if /proc/cpuinfo exists or not
# - offer to compare algo lists: wiki, help, test.pl
#-----------------------------------------------------------------------------

HASHCAT_GITHUBDIR=/usr/local/src/sec/crack/hashcat/github/hashcat
HASHCAT_ROYCEDIR=/usr/local/src/sec/crack/hashcat/github/royce/hashcat
WORKLOAD=4
HASHCAT_ROYCEMODE=

OSFAMILY=$(uname -s)

#-----------------------------------------------------------------------------
if [ "${OSFAMILY}" == "FreeBSD" ]; then
    CORECOUNT=$(sysctl hw.ncpu|cut -d\: -f2)
    CC=$(which gcc 2>/dev/null)
    if [ -z "${CC}" -o ! -x "${CC}" ]; then
        echo "- Could not find gcc"
        exit 1
    fi
    CC_SPEC="CC=gcc"
    GMAKE=$(which gmake 2>/dev/null)
    if [ -z "${GMAKE}" -o ! -x "${GMAKE}" ]; then
        echo "- Could not find gmake"
        exit 1
    fi
    MYMAKE="gmake ${CC_SPEC}"

else
    # Assume Linux.
    CORECOUNT=$(grep -c ^processor /proc/cpuinfo)
    CC_SPEC=
    MYMAKE="make ${CC_SPEC}"
fi

#-----------------------------------------------------------------------------
# check for existence of tools
#-----------------------------------------------------------------------------
# cmdline
if [ ! -z "$1" ]; then
    if [ "$1" == 'royce' ]; then
        HASHCAT_ROYCEMODE=yes
        echo "- Syncing royce repo with upstream ..."
        HASHCAT_GITHUBDIR=${HASHCAT_ROYCEDIR}
        pushd ${HASHCAT_GITHUBDIR} \
            && git fetch upstream \
            && git checkout master \
            && git merge upstream/master \
            && git push
    else
        HASHCAT_GITHUBDIR=$1
    fi
fi

#-----------------------------------------------------------------------------

echo ""
echo "newhashcat: fetches, compiles, and tests the latest hashcat from GitHub"
echo ""
echo "- OS family: ${OSFAMILY}"
echo "- Using source dir: ${HASHCAT_GITHUBDIR}"
echo "- Using core count: ${CORECOUNT}"
echo "- Using make: ${MYMAKE}"
echo "- Testing with -w:  ${WORKLOAD}"
echo ""

if [ ! -d ${HASHCAT_GITHUBDIR} ]; then
    echo "- Error: Invalid or nonexistent source directory: ${HASHCAT_GITHUBDIR}."
    echo "- Suggestion:"
    echo ""
    echo "mkdir -p ${HASHCAT_GITHUBDIR}"
    echo "cd ${HASHCAT_GITHUBDIR}/.."
    echo "rmdir hashcat"
    echo "git clone https://github.com/hashcat/hashcat"
    echo ""
    exit 1
fi

#-----------------------------------------------------------------------------

# Fetch source.
# Two 'git pull' are needed to force display of latest log?
echo "- Fetching latest source from GitHub into ${HASHCAT_GITHUBDIR} ..."
cd ${HASHCAT_GITHUBDIR} \
    && git submodule update --init \
    && git pull \
    && git pull \
    && echo "" \
    && echo "- Press Enter to see changelog (press 'q' when finished)" \
    && read blah

# Log
git log ORIG_HEAD | less \
     && echo "- Press Enter to start make (${MYMAKE}, ${CORECOUNT} cores), or Control-Break to abort" \
     && read blah

# Compile
${MYMAKE} clean \
    && ${MYMAKE} -j ${CORECOUNT} \
    && echo "" \
    && echo "- Press Enter to run test, or Control-Break to abort" \
    && read blah

# Test
if [ ! -x ./hashcat ]; then
    echo "Error: hashcat executable not created."
    exit 2
fi

./hashcat -O -w ${WORKLOAD} -b -m 1500
HASHCAT_EXIT=$?

if [ "${HASHCAT_EXIT}" != "0" ];  then
    echo "- Error: Hashcat test completed with exit code ${HASHCAT_EXIT}"
    echo "- Skipping install."
    exit 3
fi

echo "- Hashcat test completed with exit code $?"
echo ""

# Install
if [ "${HASHCAT_ROYCEMODE}" == 'yes' ]; then
    echo "- Using royce's repo, skipping install."
    echo ""
    exit 4
else

    echo ""
    echo "- Checking for installed hashcat components in /usr/local ..."
    echo "- (These will be removed by '${MYMAKE} uninstall')"
    sudo find /usr/local -name '*hashcat*' -ls \
        | egrep -v '/usr/local/scripts|/usr/local/share/man|hashcatify|hcxhashcat|/usr/local/src/sec/'
    echo ""

    echo "- Press Enter to run '${MYMAKE} uninstall' and '${MYMAKE} install', or Control-Break to abort" \
    && read blah
fi

sudo ${MYMAKE} uninstall && \
sudo ${MYMAKE} install \
    && echo "" \
    && echo "- Install complete." \
    && echo "" \
    && ls -la /usr/local/bin/hashcat \
    && /usr/local/bin/hashcat --version \
    && echo "" \

#-----------------------------------------------------------------------------