tests: Auto detect group name

Some older systems used admin group, but adm group seems to be more
common nowadays, so detect this automatically rather than assume admin
group is used.

Signed-hostap: Jouni Malinen <j@w1.fi>

diff --git a/tests/hwsim/start.sh b/tests/hwsim/start.sh
index 42f56da..c1b48e4 100755 (executable)
--- a/tests/hwsim/start.sh
+++ b/tests/hwsim/start.sh
@@ -6,6 +6,12 @@ WPACLI=$DIR/../../wpa_supplicant/wpa_cli
 HAPD=$DIR/../../hostapd/hostapd
 WLANTEST=$DIR/../../wlantest/wlantest
 
+if groups | tr ' ' "\n" | grep -q ^admin$; then
+    GROUP=admin
+else
+    GROUP=adm
+fi
+
 if [ "$1" = "concurrent" ]; then
     CONCURRENT=y
     shift
@@ -43,22 +49,22 @@ if [ "$VALGRIND" = "y" ]; then
     for i in 0 1 2; do
        chmod a+rx $WPAS
        if [ "$CONCURRENT" = "y" ]; then
-           sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-wlan$i $WPAS -g /tmp/wpas-wlan$i -Gadmin -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -N -Dnl80211 -ista$i -c $DIR/sta-dummy.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
+           sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-wlan$i $WPAS -g /tmp/wpas-wlan$i -G$GROUP -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -N -Dnl80211 -ista$i -c $DIR/sta-dummy.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
        else
-           sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-wlan$i $WPAS -g /tmp/wpas-wlan$i -Gadmin -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
+           sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-wlan$i $WPAS -g /tmp/wpas-wlan$i -G$GROUP -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
        fi
     done
     chmod a+rx $HAPD
-    sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-hostapd $HAPD -ddKt -g /var/run/hostapd-global -G admin -ddKt > $DIR/logs/$DATE-hostapd &
+    sudo valgrind --log-file=$DIR/logs/$DATE-valgrind-hostapd $HAPD -ddKt -g /var/run/hostapd-global -G $GROUP -ddKt > $DIR/logs/$DATE-hostapd &
 else
     for i in 0 1 2; do
        if [ "$CONCURRENT" = "y" ]; then
-           sudo $WPAS -g /tmp/wpas-wlan$i -Gadmin -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -N -Dnl80211 -ista$i -c $DIR/sta-dummy.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
+           sudo $WPAS -g /tmp/wpas-wlan$i -G$GROUP -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -N -Dnl80211 -ista$i -c $DIR/sta-dummy.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
        else
-           sudo $WPAS -g /tmp/wpas-wlan$i -Gadmin -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
+           sudo $WPAS -g /tmp/wpas-wlan$i -G$GROUP -Dnl80211 -iwlan$i -c $DIR/p2p$i.conf -ddKt$TRACE > $DIR/logs/$DATE-log$i &
        fi
     done
-    sudo $HAPD -ddKt -g /var/run/hostapd-global -G admin -ddKt > $DIR/logs/$DATE-hostapd &
+    sudo $HAPD -ddKt -g /var/run/hostapd-global -G $GROUP -ddKt > $DIR/logs/$DATE-hostapd &
 fi
 sleep 1
 sudo chown $USER $DIR/logs/$DATE-hwsim0.dump