qubes-core-admin-linux/qrexec/qubes-rpc-multiplexer
Marek Marczykowski-Górecki 8fd4d9e853
qrexec: adjust for new qrexec-policy
New qrexec-policy can provide information about original target domain,
even if later overriden by policy (using target= keyword).
2017-05-18 01:44:25 +02:00

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#!/bin/sh
mkfifo /tmp/qrexec-rpc-stderr.$$
logger -t "$1-$2" -f /tmp/qrexec-rpc-stderr.$$ >/dev/null 2>&1 </dev/null &
exec 2>/tmp/qrexec-rpc-stderr.$$
rm -f /tmp/qrexec-rpc-stderr.$$
QUBES_RPC=/etc/qubes-rpc
LOCAL_QUBES_RPC=/usr/local/etc/qubes-rpc
if ! [ $# = 2 -o $# == 3 ] ; then
echo "$0: bad argument count, usage: $0 SERVICE-NAME REMOTE-DOMAIN-NAME [REQUESTED_TARGET]" >&2
exit 1
fi
export QREXEC_REQUESTED_TARGET="$3"
export QREXEC_REMOTE_DOMAIN="$2"
export QREXEC_SERVICE_FULL_NAME="$1"
SERVICE_WITHOUT_ARGUMENT="${1%%+*}"
if [ "${QREXEC_SERVICE_FULL_NAME}" != "${SERVICE_WITHOUT_ARGUMENT}" ]; then
export QREXEC_SERVICE_ARGUMENT="${QREXEC_SERVICE_FULL_NAME#*+}"
fi
for CFG_FILE in $LOCAL_QUBES_RPC/"$1" $QUBES_RPC/"$1" \
$LOCAL_QUBES_RPC/"${SERVICE_WITHOUT_ARGUMENT}" \
$QUBES_RPC/"${SERVICE_WITHOUT_ARGUMENT}"; do
if [ -s "$CFG_FILE" ]; then
break
fi
done
if [ -x "$CFG_FILE" ] ; then
exec "$CFG_FILE" ${QREXEC_SERVICE_ARGUMENT}
echo "$0: failed to execute handler for" "$1" >&2
exit 1
else
exec /bin/sh -- "$CFG_FILE" ${QREXEC_SERVICE_ARGUMENT}
echo "$0: failed to execute handler for" "$1" >&2
exit 1
fi