postgresql/contrib/sepgsql/launcher

#!/bin/sh
#
# A wrapper script to launch psql command in regression test
#
# Copyright (c) 2010-2019, PostgreSQL Global Development Group
#
# -------------------------------------------------------------------------

if [ $# -lt 1 ]; then
    echo "usage: `basename $0` <command> [options...]"
    exit 1
fi

RUNCON=`which runcon`
if [ ! -e "$RUNCON" ]; then
    echo "runcon command is not found"
    exit 1
fi

#
# Read SQL from stdin
#
TEMP=`mktemp`
CONTEXT="unconfined_u:unconfined_r:sepgsql_regtest_superuser_t:s0-s0:c0.c255"

while IFS='\\n' read LINE
do
    if echo "$LINE" | grep -q "^-- @SECURITY-CONTEXT="; then
        if [ -s "$TEMP" ]; then
            if [ -n "$CONTEXT" ]; then
                "$RUNCON" "$CONTEXT" $* < "$TEMP"
            else
                $* < $TEMP
            fi
            truncate -s0 $TEMP
        fi
        CONTEXT=`echo "$LINE" | sed 's/^-- @SECURITY-CONTEXT=//g'`
        LINE="SELECT sepgsql_getcon();	-- confirm client privilege"
    fi
    echo "$LINE" >> $TEMP
done

if [ -s "$TEMP" ]; then
    if [ -n "$CONTEXT" ]; then
        "$RUNCON" "$CONTEXT" $* < "$TEMP"
    else
        $* < $TEMP
    fi
fi

# cleanup temp file
rm -f $TEMP