125 lines
3.2 KiB
Bash
125 lines
3.2 KiB
Bash
# $OpenBSD: agent-pkcs11.sh,v 1.9 2021/07/25 12:13:03 dtucker Exp $
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# Placed in the Public Domain.
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tid="pkcs11 agent test"
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try_token_libs() {
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for _lib in "$@" ; do
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if test -f "$_lib" ; then
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verbose "Using token library $_lib"
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TEST_SSH_PKCS11="$_lib"
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return
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fi
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done
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echo "skipped: Unable to find PKCS#11 token library"
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exit 0
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}
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try_token_libs \
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/usr/local/lib/softhsm/libsofthsm2.so \
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/usr/lib64/pkcs11/libsofthsm2.so \
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/usr/lib/x86_64-linux-gnu/softhsm/libsofthsm2.so
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TEST_SSH_PIN=1234
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TEST_SSH_SOPIN=12345678
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if [ "x$TEST_SSH_SSHPKCS11HELPER" != "x" ]; then
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SSH_PKCS11_HELPER="${TEST_SSH_SSHPKCS11HELPER}"
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export SSH_PKCS11_HELPER
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fi
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test -f "$TEST_SSH_PKCS11" || fatal "$TEST_SSH_PKCS11 does not exist"
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# setup environment for softhsm2 token
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DIR=$OBJ/SOFTHSM
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rm -rf $DIR
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TOKEN=$DIR/tokendir
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mkdir -p $TOKEN
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SOFTHSM2_CONF=$DIR/softhsm2.conf
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export SOFTHSM2_CONF
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cat > $SOFTHSM2_CONF << EOF
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# SoftHSM v2 configuration file
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directories.tokendir = ${TOKEN}
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objectstore.backend = file
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# ERROR, WARNING, INFO, DEBUG
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log.level = DEBUG
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# If CKF_REMOVABLE_DEVICE flag should be set
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slots.removable = false
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EOF
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out=$(softhsm2-util --init-token --free --label token-slot-0 --pin "$TEST_SSH_PIN" --so-pin "$TEST_SSH_SOPIN")
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slot=$(echo -- $out | sed 's/.* //')
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# prevent ssh-agent from calling ssh-askpass
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SSH_ASKPASS=/usr/bin/true
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export SSH_ASKPASS
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unset DISPLAY
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# start command w/o tty, so ssh-add accepts pin from stdin
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notty() {
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perl -e 'use POSIX; POSIX::setsid();
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if (fork) { wait; exit($? >> 8); } else { exec(@ARGV) }' "$@"
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}
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trace "generating keys"
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RSA=${DIR}/RSA
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EC=${DIR}/EC
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$OPENSSL_BIN genpkey -algorithm rsa > $RSA
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$OPENSSL_BIN pkcs8 -nocrypt -in $RSA |\
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softhsm2-util --slot "$slot" --label 01 --id 01 --pin "$TEST_SSH_PIN" --import /dev/stdin
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$OPENSSL_BIN genpkey \
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-genparam \
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-algorithm ec \
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-pkeyopt ec_paramgen_curve:prime256v1 |\
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$OPENSSL_BIN genpkey \
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-paramfile /dev/stdin > $EC
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$OPENSSL_BIN pkcs8 -nocrypt -in $EC |\
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softhsm2-util --slot "$slot" --label 02 --id 02 --pin "$TEST_SSH_PIN" --import /dev/stdin
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trace "start agent"
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eval `${SSHAGENT} ${EXTRA_AGENT_ARGS} -s` > /dev/null
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r=$?
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if [ $r -ne 0 ]; then
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fail "could not start ssh-agent: exit code $r"
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else
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trace "add pkcs11 key to agent"
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echo ${TEST_SSH_PIN} | notty ${SSHADD} -s ${TEST_SSH_PKCS11} > /dev/null 2>&1
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r=$?
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if [ $r -ne 0 ]; then
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fail "ssh-add -s failed: exit code $r"
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fi
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trace "pkcs11 list via agent"
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${SSHADD} -l > /dev/null 2>&1
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r=$?
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if [ $r -ne 0 ]; then
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fail "ssh-add -l failed: exit code $r"
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fi
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for k in $RSA $EC; do
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trace "testing $k"
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chmod 600 $k
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ssh-keygen -y -f $k > $k.pub
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pub=$(cat $k.pub)
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${SSHADD} -L | grep -q "$pub" || fail "key $k missing in ssh-add -L"
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${SSHADD} -T $k.pub || fail "ssh-add -T with $k failed"
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# add to authorized keys
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cat $k.pub > $OBJ/authorized_keys_$USER
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trace "pkcs11 connect via agent ($k)"
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${SSH} -F $OBJ/ssh_proxy somehost exit 5
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r=$?
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if [ $r -ne 5 ]; then
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fail "ssh connect failed (exit code $r)"
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fi
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done
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trace "remove pkcs11 keys"
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echo ${TEST_SSH_PIN} | notty ${SSHADD} -e ${TEST_SSH_PKCS11} > /dev/null 2>&1
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r=$?
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if [ $r -ne 0 ]; then
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fail "ssh-add -e failed: exit code $r"
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fi
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trace "kill agent"
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${SSHAGENT} -k > /dev/null
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fi
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