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|
summary: Check that the browser-support interface works
details: |
Verify that a snap using the browser-support interface is able to
access the various APIs needed by modern web browsers.
environment:
ALLOW_SANDBOX/allow: true
ALLOW_SANDBOX/disallow: false
OWNED_FILES:
/var/tmp/etilqs_test
/home/test/.local/share/jupyter/foo
READABLE_FILES:
/run/udev/data/+platform:test
/etc/opt/chrome/test
READABLE_WITH_SANDBOX_FILES:
/run/udev/data/c1:1-test
/run/udev/data/c10:1-test
/run/udev/data/c13:1-test
/run/udev/data/c180:1-test
/run/udev/data/c4:1-test
/run/udev/data/c5:1-test
/run/udev/data/c7:1-test
/run/udev/data/+hid:test
/run/udev/data/+input:input1-test
/run/udev/data/c29:1-test
/run/udev/data/+backlight:test
/run/udev/data/+leds:test
/run/udev/data/c116:1-test
/run/udev/data/+sound:card1-test
/run/udev/data/c108:1-test
/run/udev/data/c189:1-test
/run/udev/data/c89:1-test
/run/udev/data/c81:1-test
/run/udev/data/+acpi:test
/run/udev/data/+hwmon:hwmon1-test
/run/udev/data/+i2c:test
prepare: |
echo "Given a snap declaring a plug on browser-support with allow-sandbox set to $ALLOW_SANDBOX is installed"
sed "s/@ALLOW_SANDBOX@/$ALLOW_SANDBOX/" browser-support-consumer/meta/snap.yaml.in > browser-support-consumer/meta/snap.yaml
chmod 644 browser-support-consumer/meta/snap.yaml
"$TESTSTOOLS"/snaps-state install-local browser-support-consumer
touch created_dirs
restore: |
rm -f /var/tmp/test
for file in $OWNED_FILES $READABLE_FILES $READABLE_WITH_SANDBOX_FILES; do
rm -f "$file"
done
while read -r dir; do
rm -rf "$dir"
done < created_dirs
rm -f created_dirs
execute: |
if [ "$ALLOW_SANDBOX" = "false" ]; then
echo "If allow-sandbox is false then the plug is connected by default"
else
echo "If allow-sandbox is true then the plug is not connected by default"
snap interfaces -i browser-support | MATCH '\- +browser-support-consumer:browser-support'
echo "Do connect it manually"
snap connect browser-support-consumer:browser-support
fi
echo "And the snap is able to access tmp"
echo "test" > /var/tmp/test
SNAP_MOUNT_DIR="$(os.paths snap-mount-dir)"
su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd ls /var/tmp/" test | MATCH test
echo "And the snap is able to access owned files"
for owned_file in $OWNED_FILES; do
parent_dir=$(dirname "$owned_file")
if [ ! -d "$parent_dir" ]; then
su -l -c "mkdir -p $parent_dir" test
echo "$parent_dir" >> created_dirs
fi
echo "test" > "$owned_file"
chown test:12345 "$owned_file"
su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $owned_file" test | MATCH test
su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd touch $owned_file" test
done
echo "And the snap is able to access readable files"
for readable_file in $READABLE_FILES; do
parent_dir=$(dirname "$readable_file")
if [ ! -d "$parent_dir" ]; then
if mkdir -p "$parent_dir"; then
echo "$parent_dir" >> created_dirs
else
echo "$parent_dir couldn't be created, write-only partition?"
continue
fi
fi
echo "test" > "$readable_file"
su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $readable_file" test | MATCH test
done
for readable_file in $READABLE_WITH_SANDBOX_FILES; do
parent_dir=$(dirname "$readable_file")
if [ ! -d "$parent_dir" ]; then
mkdir -p "$parent_dir"
echo "$parent_dir" >> created_dirs
fi
echo "test" > "$readable_file"
done
if [ "$ALLOW_SANDBOX" = "true" ]; then
for readable_file in $READABLE_WITH_SANDBOX_FILES; do
su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $readable_file" test | MATCH test
done
fi
if [ "$(snap debug confinement)" = partial ] ; then
exit 0
fi
if [ "$ALLOW_SANDBOX" = "false" ]; then
echo "And the policy has the ptrace suppression rule without sandbox"
MATCH '^deny ptrace \(trace\),' < /var/lib/snapd/apparmor/profiles/snap.browser-support-consumer.cmd
else
echo "And the policy has the ptrace suppression rule with sandbox"
MATCH '^deny ptrace \(trace\),' < /var/lib/snapd/apparmor/profiles/snap.browser-support-consumer.cmd && echo "Found ptrace rule, but shouldn't have" && exit 1
fi
echo "And the resources available with sandbox are not reachable without it"
if [ "$ALLOW_SANDBOX" = "false" ]; then
for readable_file in $READABLE_WITH_SANDBOX_FILES; do
if su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $readable_file" test 2> readable-without-sandbox-read.err; then
echo "Expected error without sandbox didn't happen"
exit 1
fi
MATCH "Permission denied" < readable-without-sandbox-read.err
done
fi
echo "When the plug is disconnected"
snap disconnect browser-support-consumer:browser-support
echo "Then the snap is not able to access tmp"
if su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd ls /var/tmp/" test 2> tmpdir-access.err; then
echo "Expected error with disconnected plug didn't happen"
exit 1
fi
MATCH "Permission denied" < tmpdir-access.err
if su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat /var/tmp/etilqs_test" test 2> tmpfile-read.err; then
echo "Expected error with disconnected plug didn't happen"
exit 1
fi
MATCH "Permission denied" < tmpfile-read.err
for owned_file in $OWNED_FILES; do
if su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $owned_file" test 2> owned-read.err; then
echo "Expected error with disconnected plug didn't happen"
exit 1
fi
MATCH "Permission denied" < owned-read.err
done
for readable_file in $READABLE_FILES; do
if [ -f "$readable_file" ] && su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $readable_file" test 2> readable-read.err; then
echo "Expected error with disconnected plug didn't happen"
exit 1
fi
MATCH "Permission denied" < readable-read.err
done
if [ "$ALLOW_SANDBOX" = "true" ]; then
for readable_file in $READABLE_WITH_SANDBOX_FILES; do
if su -l -c "$SNAP_MOUNT_DIR/bin/browser-support-consumer.cmd cat $readable_file" test 2> readable-with-sandbox-read.err; then
echo "Expected error with disconnected plug didn't happen"
exit 1
fi
MATCH "Permission denied" < readable-with-sandbox-read.err
done
fi
|
