ltt-armall script: disable input subsystem by default

[ltt-control.git] / lttctl / ltt-armall.sh

diff --git a/lttctl/ltt-armall.sh b/lttctl/ltt-armall.sh
index 9eda365490dc5052b6cfc65a766dd0f4ff7e55b1..d73cdbaaf349f94bd5996ad681f5a2bae8f44a50 100755 (executable)
--- a/lttctl/ltt-armall.sh
+++ b/lttctl/ltt-armall.sh
@@ -14,7 +14,7 @@
 # with this program; if not, write to the Free Software Foundation, Inc.,
 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
-DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -1 | awk '{print $2}')
+DEBUGFSROOT=$(grep ^debugfs /proc/mounts | head -n 1 | awk '{print $2}')
 MARKERSROOT=${DEBUGFSROOT}/ltt/markers
 
 usage () {
@@ -24,6 +24,7 @@ usage () {
        echo "Options:" > /dev/stderr
        printf "\t-l           Also activate locking markers (high traffic)\n" > /dev/stderr
        printf "\t-n           Also activate detailed network markers (large size)\n" > /dev/stderr
+       printf "\t-i           Also activate input subsystem events (security implication: records keyboard inputs)\n" > /dev/stderr
        echo "" > /dev/stderr
        printf "\t-q           Quiet mode, suppress output\n" > /dev/stderr
        printf "\t-h           Print this help\n" > /dev/stderr
@@ -45,6 +46,7 @@ while getopts "lnqh" options; do
                l) LOCKING="0";;
                n) NETWORK="0";;
                q) QUIET="0";;
+               i) INPUT="0";;
                h) usage;
                        exit 0;;
                \?) usage;
@@ -62,9 +64,13 @@ if [ ! ${NETWORK} ]; then
        TESTS="${TESTS} -path '*/net/*_extended' -prune -o"
 fi
 
-while read -r -d $'\0' marker; do
+if [ ! ${INPUT} ]; then
+       TESTS="${TESTS} -name input -prune -o"
+fi
+
+(eval "find '${MARKERSROOT}' ${TESTS} -name metadata -prune -o -name enable -print") | while read -r marker; do
        if [ ! ${QUIET} ]; then
                echo "Connecting ${marker%/enable}"
        fi
        echo 1 > ${marker}
-done < <(eval "find '${MARKERSROOT}' ${TESTS} -name metadata -prune -o -name enable -print0")
+done