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Simplify pkcs11 token generation

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Make default secure enough, no predefined pins are used. Generate pin
and save it into file protected by unix rights. HSM tools will probably
require it anyway. Use smart defaults.
This commit is contained in:
Petr Menšík 2019-02-20 18:53:13 +01:00
parent 6fee3d63e9
commit fa1631eef7
2 changed files with 75 additions and 8 deletions
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3
bind.spec
View File

@ -799,8 +799,7 @@ sed -e '/^tp:.*-pkcs11/ d' -e '/^tp:\s*lwres/ d' \
%check
%if %{with PKCS11}
# Tests require initialization of pkcs11 token
export SOFTHSM2_CONF="`pwd`/softhsm2.conf"
sh %{SOURCE48} "${SOFTHSM2_CONF}" "`pwd`/softhsm-tokens"
eval $(bash %{SOURCE48} -A "`pwd`/softhsm-tokens")
%endif
%if %{with UNITTEST}

80
setup-named-softhsm.sh
View File

@ -2,6 +2,11 @@
#
# This script will initialise token storage of softhsm PKCS11 provider
# in custom location. Is useful to store tokens in non-standard location.
#
# Output can be evaluated from bash, it will prepare it for usage of temporary tokens.
# Recommended use:
# eval $(bash setup-named-softhsm.sh -A)
#
SOFTHSM2_CONF="$1"
TOKENPATH="$2"
@ -10,14 +15,55 @@ GROUPNAME="$3"
# This is intended for crypto accelerators using PKCS11 interface.
# Uninitialized token would fail any crypto operation.
PIN=1234
SO_PIN=1234
LABEL=rpm
set -e
echo_i()
{
echo "#" $@
}
random()
{
if [ -x "$(which openssl 2>/dev/null)" ]; then
openssl rand -base64 $1
else
dd if=/dev/urandom bs=1c count=$1 | base64
fi
}
usage()
{
echo "Usage: $0 -A [token directory] [group]"
echo " or: $0 <config file> <token directory> [group]"
}
if [ "$SOFTHSM2_CONF" = "-A" -a -z "$TOKENPATH" ]; then
TOKENPATH=$(mktemp -d /var/tmp/softhsm-XXXXXX)
fi
if [ -z "$SOFTHSM2_CONF" -o -z "$TOKENPATH" ]; then
echo "Usage: $0 <config file> <token directory> [group]" >&2
usage >&2
exit 1
fi
if [ "$SOFTHSM2_CONF" = "-A" ]; then
# Automagic mode instead
MODE=secure
SOFTHSM2_CONF="$TOKENPATH/softhsm2.conf"
PIN_SOURCE="$TOKENPATH/pin"
SOPIN_SOURCE="$TOKENPATH/so-pin"
TOKENPATH="$TOKENPATH/tokens"
else
MODE=legacy
fi
[ -d "$TOKENPATH" ] || mkdir -p "$TOKENPATH"
umask 0022
if ! [ -f "$SOFTHSM2_CONF" ]; then
cat << SED > "$SOFTHSM2_CONF"
# SoftHSM v2 configuration file
@ -32,19 +78,36 @@ log.level = ERROR
slots.removable = false
SED
else
echo "Config file $SOFTHSM2_CONF already exists" >&2
echo_i "Config file $SOFTHSM2_CONF already exists" >&2
fi
[ -d "$TOKENPATH" ] || mkdir -p "$TOKENPATH"
if [ -n "$PIN_SOURCE" ]; then
touch "$PIN_SOURCE" "$SOPIN_SOURCE"
chmod 0600 "$PIN_SOURCE" "$SOPIN_SOURCE"
if [ -n "$GROUPNAME" ]; then
chgrp "$GROUPNAME" "$PIN_SOURCE" "$SOPIN_SOURCE"
chmod g+r "$PIN_SOURCE" "$SOPIN_SOURCE"
fi
fi
export SOFTHSM2_CONF
if softhsm2-util --show-slots | grep 'Initialized:[[:space:]]*yes' > /dev/null
then
echo "Token in ${TOKENPATH} is already initialized" >&2
echo_i "Token in ${TOKENPATH} is already initialized" >&2
[ -f "$PIN_SOURCE" ] && PIN=$(cat "$PIN_SOURCE")
[ -f "$SOPIN_SOURCE" ] && SO_PIN=$(cat "$SOPIN_SOURCE")
else
echo "Initializing tokens to ${TOKENPATH}..."
softhsm2-util --init-token --free --label rpm --pin $PIN --so-pin $PIN
PIN=$(random 6)
SO_PIN=$(random 18)
if [ -n "$PIN_SOURCE" ]; then
echo -n "$PIN" > "$PIN_SOURCE"
echo -n "$SO_PIN" > "$SOPIN_SOURCE"
fi
echo_i "Initializing tokens to ${TOKENPATH}..."
softhsm2-util --init-token --free --label "$LABEL" --pin "$PIN" --so-pin "$SO_PIN" | sed -e 's/^/# /'
if [ -n "$GROUPNAME" ]; then
chgrp -R -- "$GROUPNAME" "$TOKENPATH"
@ -53,3 +116,8 @@ else
fi
echo "export SOFTHSM2_CONF=\"$SOFTHSM2_CONF\""
echo "export PIN_SOURCE=\"$PIN_SOURCE\""
echo "export SOPIN_SOURCE=\"$SOPIN_SOURCE\""
# These are intentionaly not exported
echo "PIN=\"$PIN\""
echo "SO_PIN=\"$SO_PIN\""