qubes-core-admin-linux/qrexec/qubes-rpc-multiplexer
Marek Marczykowski-Górecki f8d23d0d64
qrexec: execute RPC service directly (without a shell) if it has executable bit set
This will allow to use some different shell/language for a service (for
example python).

Signed-off-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com>
2016-05-19 15:39:07 +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
# XXX: Backward compatibility
DEPRECATED_QUBES_RPC=/etc/qubes_rpc
if ! [ $# = 2 ] ; then
echo $0: bad argument count, usage: $0 SERVICE-NAME REMOTE-DOMAIN-NAME >&2
exit 1
fi
export QREXEC_REMOTE_DOMAIN="$2"
if [ -s "$QUBES_RPC/$1" ]; then
CFG_FILE=$QUBES_RPC/"$1"
elif [ -s "$DEPRECATED_QUBES_RPC/$1" ]; then
echo "$0: RPC service '$1' uses deprecated directory, please move to $QUBES_RPC" >&2
CFG_FILE=$DEPRECATED_QUBES_RPC/"$1"
else
echo "$0: Cannot find service $1 file in $QUBES_RPC" >&2
exit 1
fi
if [ -x "$CFG_FILE" ] ; then
exec "$CFG_FILE"
echo "$0: failed to execute handler for" "$1" >&2
exit 1
else
exec /bin/sh "$CFG_FILE"
echo "$0: failed to execute handler for" "$1" >&2
exit 1
fi