/**
* Test if files inherit the group from its parent if the setgid bit is set, and if subdirectories
* inherit the group and the setgid bit.
*/
@Test
public void testSetgid() throws Exception {
VOLUME_NAME = "testSetgid";
client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME);
Volume volume = client.openVolume(VOLUME_NAME, null, options);
volume.createDirectory(userCredentials, "/DIR1", 0777);
Stat stat;
stat = volume.getAttr(userCredentials, "/DIR1");
int mode = stat.getMode() | 02000;
stat = stat.toBuilder().setGroupId("foobar").setMode(mode).build();
UserCredentials rootCreds =
userCredentials.toBuilder().setUsername("root").setGroups(0, "root").build();
volume.setAttr(
rootCreds,
"/DIR1",
stat,
Setattrs.SETATTR_MODE.getNumber() | Setattrs.SETATTR_GID.getNumber());
// Test if the setgid bit and the group is set
stat = volume.getAttr(userCredentials, "/DIR1");
assertEquals(02000, stat.getMode() & 02000);
assertEquals("foobar", stat.getGroupId());
// Test if new subdirectories inherit the setgid bit and the group
volume.createDirectory(userCredentials, "/DIR1/DIR2", 0777);
stat = volume.getAttr(userCredentials, "/DIR1/DIR2");
assertEquals(02000, stat.getMode() & 02000);
assertEquals("foobar", stat.getGroupId());
// Test if new files inherit the group
FileHandle fh =
volume.openFile(
userCredentials, "/DIR1/FILE1", SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber());
fh.close();
stat = volume.getAttr(userCredentials, "/DIR1/FILE1");
assertEquals("foobar", stat.getGroupId());
volume.close();
}
@Test
public void testGetSetAttr() throws Exception {
VOLUME_NAME = "testGetSetAttr";
final String TESTFILE = "testfile";
final String TESTDIR = "testdir";
final int TESTMODE = 0731;
client.createVolume(mrcAddress, auth, userCredentials, VOLUME_NAME);
Volume volume = client.openVolume(VOLUME_NAME, null, options);
volume.createDirectory(userCredentials, TESTDIR, TESTMODE);
FileHandle fh =
volume.openFile(
userCredentials,
TESTDIR + "/" + TESTFILE,
SYSTEM_V_FCNTL.SYSTEM_V_FCNTL_H_O_CREAT.getNumber(),
TESTMODE);
fh.close();
Stat stat = volume.getAttr(userCredentials, TESTDIR);
assertEquals(userCredentials.getUsername(), stat.getUserId());
assertEquals(userCredentials.getGroups(0), stat.getGroupId());
assertEquals(0, stat.getSize());
assertTrue(stat.getAtimeNs() > 0);
assertTrue(stat.getCtimeNs() > 0);
assertTrue(stat.getMtimeNs() > 0);
assertTrue((stat.getMode() & TESTMODE) > 0);
assertEquals(1, stat.getNlink());
stat = volume.getAttr(userCredentials, TESTDIR + "/" + TESTFILE);
assertEquals(userCredentials.getUsername(), stat.getUserId());
assertEquals(userCredentials.getGroups(0), stat.getGroupId());
assertEquals(0, stat.getSize());
assertTrue(stat.getAtimeNs() > 0);
assertTrue(stat.getCtimeNs() > 0);
assertTrue(stat.getMtimeNs() > 0);
assertTrue((stat.getMode() & TESTMODE) == TESTMODE);
assertEquals(1, stat.getNlink());
stat = stat.toBuilder().setGroupId("foobar").setUserId("FredFoobar").build();
try {
volume.setAttr(
userCredentials,
TESTDIR,
stat,
Setattrs.SETATTR_UID.getNumber() | Setattrs.SETATTR_GID.getNumber());
fail("changing username and groups should be restricted to superuser");
} catch (PosixErrorException e) {
}
UserCredentials rootCreds =
userCredentials.toBuilder().setUsername("root").setGroups(0, "root").build();
volume.setAttr(
rootCreds,
TESTDIR,
stat,
Setattrs.SETATTR_UID.getNumber() | Setattrs.SETATTR_GID.getNumber());
stat = volume.getAttr(userCredentials, TESTDIR);
assertEquals("FredFoobar", stat.getUserId());
assertEquals("foobar", stat.getGroupId());
assertTrue((stat.getMode() & TESTMODE) > 0);
stat = stat.toBuilder().setMode(0777).build();
volume.setAttr(
userCredentials, TESTDIR + "/" + TESTFILE, stat, Setattrs.SETATTR_MODE.getNumber());
stat = volume.getAttr(userCredentials, TESTDIR + "/" + TESTFILE);
assertTrue((stat.getMode() & 0777) == 0777);
}