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[src/trunk]: src/tests/dev/sysmon Add new test cases for entropy-providing se...
details: https://anonhg.NetBSD.org/src/rev/dbf5a4023b30
branches: trunk
changeset: 780295:dbf5a4023b30
user: pgoyette <pgoyette%NetBSD.org@localhost>
date: Thu Jul 19 13:36:18 2012 +0000
description:
Add new test cases for entropy-providing sensors
diffstat:
tests/dev/sysmon/t_swsensor.sh | 222 +++++++++++++++++++++++++++++-----------
1 files changed, 159 insertions(+), 63 deletions(-)
diffs (293 lines):
diff -r 7081b9ebf440 -r dbf5a4023b30 tests/dev/sysmon/t_swsensor.sh
--- a/tests/dev/sysmon/t_swsensor.sh Thu Jul 19 13:31:06 2012 +0000
+++ b/tests/dev/sysmon/t_swsensor.sh Thu Jul 19 13:36:18 2012 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: t_swsensor.sh,v 1.4 2010/12/31 00:35:42 pgoyette Exp $
+# $NetBSD: t_swsensor.sh,v 1.5 2012/07/19 13:36:18 pgoyette Exp $
get_sensor_info() {
rump.envstat -x | \
@@ -13,6 +13,14 @@
grep "not running" powerd.log | wc -l
}
+get_rnd_bits_count() {
+ env RUMPHIJACK=blanket=/dev/random:/dev/urandom \
+ RUMP_SERVER=unix://t_swsensor_socket \
+ LD_PRELOAD=/usr/lib/librumphijack.so rndctl -l | \
+ grep "swsensor-sensor" | \
+ awk '{print $2}'
+}
+
check_powerd_event() {
event=$(grep "not running" powerd.log | \
sed -e "$1p" -e "d" )
@@ -40,7 +48,7 @@
# requested properties
start_rump() {
- rump_server -l rumpvfs -l rumpdev -l rumpdev_sysmon ${RUMP_SERVER}
+ rump_allserver -l rumpvfs -l rumpdev -l rumpdev_sysmon ${RUMP_SERVER}
if [ $( get_sensor_info | wc -l ) -ne 0 ] ; then
rump.modunload swsensor
rump.modload -f $1 swsensor
@@ -55,7 +63,8 @@
atf_set timeout 60
atf_set require.progs rump.powerd rump.envstat rump.modload \
rump.halt rump.sysctl rump_server \
- sed grep
+ sed grep awk \
+ rndctl expr
}
common_cleanup() {
@@ -87,10 +96,12 @@
# $3 initial limit
# $4 amount to lower limit
# $5 difference from limit to trigger event
+# $6 sensor flags, for FHAS_ENTROPY and FMONNOTSUPP
common_body() {
# Start the rump-server process and load the module
- start_rump "-i mode=$1 -i value=$2 -i limit=$3"
+ modload_args="-i mode=$1 -i value=$2 -i limit=$3 ${6:+-i flags=$6}"
+ start_rump "$modload_args"
# create configuration files for updates
create_envsys_conf_files $3 $4
@@ -173,81 +184,138 @@
fi
# Step 7 - verify that we can set our own limit
- rump.envstat -c env1.conf
- if [ $( get_sensor_key critical-min ) -ne $(( $3 - $4 )) ] ; then
- atf_fail "7: Limit not set by envstat -c"
- fi
+
+ # Steps 7 thru 12 are skipped if the sensor cannot be monitored
+ if [ $( expr \( 0$6 / 2048 \) % 2 ) -ne 1 ] ; then
+ rump.envstat -c env1.conf
+ if [ $( get_sensor_key critical-min ) -ne $(( $3 - $4 )) ] ; then
+ atf_fail "7: Limit not set by envstat -c"
+ fi
# Step 8 - make sure user-set limit works
- if [ ${skip_events} -eq 0 ] ; then
- rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 - $5 ))
- sleep 5
- cnt=$(get_powerd_event_count)
- if [ ${cnt} -lt ${expected_event} ] ; then
- atf_fail "8: No event triggered"
- elif [ ${cnt} -gt ${expected_event} ] ; then
- atf_fail "8: Multiple events triggered"
+ if [ ${skip_events} -eq 0 ] ; then
+ rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 - $5 ))
+ sleep 5
+ cnt=$(get_powerd_event_count)
+ if [ ${cnt} -lt ${expected_event} ] ; then
+ atf_fail "8: No event triggered"
+ elif [ ${cnt} -gt ${expected_event} ] ; then
+ atf_fail "8: Multiple events triggered"
+ fi
+ evt=$( check_powerd_event ${cnt} "critical-under")
+ if [ -n "${evt}" ] ; then
+ atf_fail "8: ${evt}"
+ fi
+ expected_event=$(( 1 + ${expected_event} ))
fi
- evt=$( check_powerd_event ${cnt} "critical-under")
- if [ -n "${evt}" ] ; then
- atf_fail "8: ${evt}"
- fi
- expected_event=$(( 1 + ${expected_event} ))
- fi
# Step 9 - verify that we return to normal state
- if [ ${skip_events} -eq 0 ] ; then
- rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 + $5 ))
- sleep 5
- cnt=$(get_powerd_event_count)
- if [ ${cnt} -lt ${expected_event} ] ; then
- atf_fail "9: No event triggered"
- elif [ ${cnt} -gt ${expected_event} ] ; then
- atf_fail "9: Multiple events triggered"
+ if [ ${skip_events} -eq 0 ] ; then
+ rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 + $5 ))
+ sleep 5
+ cnt=$(get_powerd_event_count)
+ if [ ${cnt} -lt ${expected_event} ] ; then
+ atf_fail "9: No event triggered"
+ elif [ ${cnt} -gt ${expected_event} ] ; then
+ atf_fail "9: Multiple events triggered"
+ fi
+ evt=$( check_powerd_event ${cnt} "normal")
+ if [ -n "${evt}" ] ; then
+ atf_fail "9: ${evt}"
+ fi
+ expected_event=$(( 1 + ${expected_event} ))
fi
- evt=$( check_powerd_event ${cnt} "normal")
- if [ -n "${evt}" ] ; then
- atf_fail "9: ${evt}"
- fi
- expected_event=$(( 1 + ${expected_event} ))
- fi
# Step 10 - reset to defaults
- rump.envstat -S
- if [ $1 -eq 0 ] ; then
- get_sensor_info | grep -q critical-min &&
- atf_fail "10: Failed to clear a limit with envstat -S"
- else
+ rump.envstat -S
+ if [ $1 -eq 0 ] ; then
+ get_sensor_info | grep -q critical-min &&
+ atf_fail "10: Failed to clear a limit with envstat -S"
+ else
+ if [ $( get_sensor_key critical-min ) -ne $3 ] ; then
+ atf_fail "10: Limit not reset to initial value"
+ fi
+ fi
+
+ # Step 11 - see if more events occur
+ if [ ${skip_events} -eq 0 ] ; then
+ rump.envstat -c env0.conf
+ rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 - $5 ))
+ sleep 5
+ cnt=$(get_powerd_event_count)
+ if [ ${cnt} -ge ${expected_event} ] ; then
+ if [ $1 -ne 2 ] ; then
+ atf_fail "11b Event triggered after reset"
+ fi
+ evt=$( check_powerd_event ${cnt} "critical-under")
+ if [ -n "${evt}" ] ; then
+ atf_fail "11a: ${evt}"
+ fi
+ fi
+ fi
+
+ # Step 12 - make sure we can set new limits once more
+ rump.envstat -c env2.conf
if [ $( get_sensor_key critical-min ) -ne $3 ] ; then
- atf_fail "10: Limit not reset to initial value"
+ atf_fail "12a: Limit not reset to same value"
+ fi
+ rump.envstat -c env1.conf
+ if [ $( get_sensor_key critical-min ) -ne $(( $3 - $4 )) ] ; then
+ atf_fail "12b: Limit not reset to new value"
fi
fi
- # Step 11 - see if more events occur
- if [ ${skip_events} -eq 0 ] ; then
- rump.envstat -c env0.conf
- rump.sysctl -w hw.swsensor.cur_value=$(( $3 - $4 - $5 ))
- sleep 5
- cnt=$(get_powerd_event_count)
- if [ ${cnt} -ge ${expected_event} ] ; then
- if [ $1 -ne 2 ] ; then
- atf_fail "11b Event triggered after reset"
- fi
- evt=$( check_powerd_event ${cnt} "critical-under")
- if [ -n "${evt}" ] ; then
- atf_fail "11a: ${evt}"
- fi
+ # Step 13 - confirm registration (or lack thereof) with rndctl
+ rnd_bits=$( get_rnd_bits_count )
+ if [ $( expr \( 0$6 / 8192 \) % 2 ) -eq 1 ] ; then
+ if [ -z "$rnd_bits" ] ; then
+ atf_fail "13a: Not registered with rndctl"
+ fi
+ else
+ if [ -n "$rnd_bits" ] ; then
+ atf_fail "13b: Wrongly registered with rndctl"
fi
fi
- # Step 12 - make sure we can set new limits once more
- rump.envstat -c env2.conf
- if [ $( get_sensor_key critical-min ) -ne $3 ] ; then
- atf_fail "12a: Limit not reset to same value"
+ # Steps 14 and 15 are only if sensor is providing entropy
+ if [ $( expr \( 0$6 / 8192 \) % 2 ) -ne 1 ] ; then
+ return
+ fi
+
+ # Step 14 - make sure entropy collected when device is being polled
+ rump.envstat -c env0.conf
+ rump.sysctl -w hw.swsensor.cur_value=$3
+ sleep 5
+ rump.sysctl -w hw.swsensor.cur_value=$(( $3 + $4 ))
+ sleep 5
+ new_rnd_bits=$( get_rnd_bits_count )
+ if [ $new_rnd_bits -le $rnd_bits ] ; then
+ atf_fail "14a: entropy bits did not increase after polling"
fi
- rump.envstat -c env1.conf
- if [ $( get_sensor_key critical-min ) -ne $(( $3 - $4 )) ] ; then
- atf_fail "12b: Limit not reset to new value"
+ rnd_bits=$new_rnd_bits
+ sleep 5
+ new_rnd_bits=$( get_rnd_bits_count )
+ if [ $new_rnd_bits -gt $rnd_bits ] ; then
+ atf_fail "14b: entropy bits increased after poll with no value change"
+ fi
+
+ # Step 15 - make sure entropy collected when device is interrogated
+ #
+ rump.envstat -c env0.conf
+ rump.sysctl -w hw.swsensor.cur_value=$3
+ get_sensor_key cur-value
+ rnd_bits=$( get_rnd_bits_count )
+ rump.sysctl -w hw.swsensor.cur_value=$(( $3 + $4 ))
+ get_sensor_key cur-value
+ new_rnd_bits=$( get_rnd_bits_count )
+ if [ $new_rnd_bits -le $rnd_bits ] ; then
+ atf_fail "15a: entropy bits did not increase after interrogation"
+ fi
+ rnd_bits=$new_rnd_bits
+ get_sensor_key cur-value
+ new_rnd_bits=$( get_rnd_bits_count )
+ if [ $new_rnd_bits -gt $rnd_bits ] ; then
+ atf_fail "15b: entropy bits increased after interrogation with no value change"
fi
}
@@ -290,9 +358,37 @@
common_cleanup
}
+atf_test_case entropy_polled_sensor cleanup
+entropy_polled_sensor_head() {
+ common_head "Test a simple sensor that provides entropy"
+}
+
+entropy_polled_sensor_body() {
+ common_body 0 50 30 10 1 8192
+}
+
+entropy_polled_sensor_cleanup() {
+ common_cleanup
+}
+
+atf_test_case entropy_interrupt_sensor cleanup
+entropy_interrupt_sensor_head() {
+ common_head "Test a sensor that provides entropy without polling"
+}
+
+entropy_interrupt_sensor_body() {
+ common_body 0 50 30 10 1 10240
+}
+
+entropy_interrupt_sensor_cleanup() {
+ common_cleanup
+}
+
atf_init_test_cases() {
RUMP_SERVER="unix://t_swsensor_socket" ; export RUMP_SERVER
atf_add_test_case simple_sensor
atf_add_test_case limit_sensor
atf_add_test_case alarm_sensor
+ atf_add_test_case entropy_polled_sensor
+ atf_add_test_case entropy_interrupt_sensor
}
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