Command line option for slow test threshold

IMHO it should be OK to run long tests if we count with it.

Example:

    lynis audit system --slow-warning 300

Will warn when test takes longer than 300 seconds, instead of default 10.

1 files changed, 17 insertions, 0 deletions

diff --git a/include/parameters b/include/parameters
index 8668b683..242899e6 100644
--- a/include/parameters
+++ b/include/parameters
@@ -423,6 +423,23 @@
                 QUIET=1
             ;;
 
+            # Warning when test is slow
+            --slow-warning)
+                if [ $# -gt 1 ]; then
+                    shift
+
+                    if [ "$1" -gt 0 ] 2>/dev/null; then
+                        SLOW_TEST_THRESHOLD="$1"
+                    else
+                        echo "Argument has to be number."
+                        exit 1
+                    fi
+                else
+                    echo "Specify threshold as number of seconds above which should Lynis warn about long test."
+                    exit 1
+                fi
+            ;;
+
             --tests-category | --tests-categories | --view-categories | --list-categories | --show-categories)
                 echo "Error: Deprecated option ($1)"
                 exit 1