HDDS-1834. parent directories not found in secure setup due to ACL check. Contributed by Doroszlai, Attila.
This closes #1171.
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42683aef1a
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@ -17,6 +17,7 @@
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package org.apache.hadoop.ozone.security.acl;
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import org.apache.commons.lang3.StringUtils;
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import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
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import org.apache.hadoop.ozone.protocol.proto.OzoneManagerProtocolProtos;
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import static org.apache.hadoop.ozone.OzoneConsts.OZONE_URI_DELIMITER;
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@ -158,6 +159,14 @@ public static Builder newBuilder() {
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return new Builder();
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}
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public static Builder fromKeyArgs(OmKeyArgs args) {
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return new Builder()
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.setVolumeName(args.getVolumeName())
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.setBucketName(args.getBucketName())
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.setKeyName(args.getKeyName())
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.setResType(ResourceType.KEY);
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}
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public Builder setResType(OzoneObj.ResourceType res) {
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this.resType = res;
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return this;
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@ -57,6 +57,7 @@
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import org.apache.hadoop.hdds.scm.server.SCMConfigurator;
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import org.apache.hadoop.hdds.scm.server.StorageContainerManager;
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import org.apache.hadoop.ozone.OzoneAcl;
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import org.apache.hadoop.ozone.OzoneTestUtils;
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import org.apache.hadoop.ozone.om.exceptions.OMException;
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import org.apache.hadoop.ozone.om.helpers.OmBucketInfo;
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import org.apache.hadoop.ozone.om.helpers.OmKeyArgs;
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@ -73,6 +74,7 @@
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import org.apache.hadoop.ozone.security.acl.IAccessAuthorizer.ACLType;
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import org.apache.hadoop.ozone.security.acl.OzoneObj;
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import org.apache.hadoop.ozone.security.acl.OzoneObjInfo;
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import org.apache.hadoop.ozone.security.acl.RequestContext;
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import org.apache.hadoop.ozone.web.utils.OzoneUtils;
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import org.apache.hadoop.security.UserGroupInformation;
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import org.apache.hadoop.test.GenericTestUtils;
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@ -395,6 +397,53 @@ public void testOpenFile() throws IOException {
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}
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}
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@Test
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public void testCheckAccessForFileKey() throws Exception {
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OmKeyArgs keyArgs = createBuilder()
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.setKeyName("testdir/deep/NOTICE.txt")
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.build();
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OpenKeySession keySession = keyManager.createFile(keyArgs, false, true);
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keyArgs.setLocationInfoList(
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keySession.getKeyInfo().getLatestVersionLocations().getLocationList());
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keyManager.commitKey(keyArgs, keySession.getId());
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OzoneObj fileKey = OzoneObjInfo.Builder.fromKeyArgs(keyArgs)
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.setStoreType(OzoneObj.StoreType.OZONE)
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.build();
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RequestContext context = currentUserReads();
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Assert.assertTrue(keyManager.checkAccess(fileKey, context));
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OzoneObj parentDirKey = OzoneObjInfo.Builder.fromKeyArgs(keyArgs)
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.setStoreType(OzoneObj.StoreType.OZONE)
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.setKeyName("testdir")
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.build();
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Assert.assertTrue(keyManager.checkAccess(parentDirKey, context));
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}
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@Test
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public void testCheckAccessForNonExistentKey() throws Exception {
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OmKeyArgs keyArgs = createBuilder()
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.setKeyName("testdir/deep/NO_SUCH_FILE.txt")
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.build();
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OzoneObj nonExistentKey = OzoneObjInfo.Builder.fromKeyArgs(keyArgs)
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.setStoreType(OzoneObj.StoreType.OZONE)
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.build();
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OzoneTestUtils.expectOmException(OMException.ResultCodes.KEY_NOT_FOUND,
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() -> keyManager.checkAccess(nonExistentKey, currentUserReads()));
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}
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@Test
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public void testCheckAccessForDirectoryKey() throws Exception {
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OmKeyArgs keyArgs = createBuilder()
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.setKeyName("some/dir")
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.build();
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keyManager.createDirectory(keyArgs);
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OzoneObj dirKey = OzoneObjInfo.Builder.fromKeyArgs(keyArgs)
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.setStoreType(OzoneObj.StoreType.OZONE)
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.build();
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Assert.assertTrue(keyManager.checkAccess(dirKey, currentUserReads()));
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}
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@Test
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public void testPrefixAclOps() throws IOException {
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@ -914,4 +963,12 @@ private OmKeyArgs.Builder createBuilder() throws IOException {
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ALL, ALL))
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.setVolumeName(VOLUME_NAME);
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}
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private RequestContext currentUserReads() throws IOException {
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return RequestContext.newBuilder()
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.setClientUgi(UserGroupInformation.getCurrentUser())
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.setAclRights(ACLType.READ_ACL)
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.setAclType(ACLIdentityType.USER)
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.build();
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}
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}
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@ -1638,24 +1638,38 @@ public boolean checkAccess(OzoneObj ozObject, RequestContext context)
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String volume = ozObject.getVolumeName();
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String bucket = ozObject.getBucketName();
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String keyName = ozObject.getKeyName();
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String objectKey = metadataManager.getOzoneKey(volume, bucket, keyName);
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OmKeyArgs args = new OmKeyArgs.Builder()
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.setVolumeName(volume)
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.setBucketName(bucket)
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.setKeyName(keyName)
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.build();
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metadataManager.getLock().acquireLock(BUCKET_LOCK, volume, bucket);
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try {
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validateBucket(volume, bucket);
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String objectKey = metadataManager.getOzoneKey(volume, bucket, keyName);
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OmKeyInfo keyInfo = metadataManager.getKeyTable().get(objectKey);
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if (keyInfo == null) {
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objectKey = OzoneFSUtils.addTrailingSlashIfNeeded(objectKey);
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keyInfo = metadataManager.getKeyTable().get(objectKey);
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if(keyInfo == null) {
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OmKeyInfo keyInfo = null;
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try {
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OzoneFileStatus fileStatus = getFileStatus(args);
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keyInfo = fileStatus.getKeyInfo();
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if (keyInfo == null) {
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// the key does not exist, but it is a parent "dir" of some key
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// let access be determined based on volume/bucket/prefix ACL
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LOG.debug("key:{} is non-existent parent, permit access to user:{}",
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keyName, context.getClientUgi());
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return true;
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}
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} catch (OMException e) {
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if (e.getResult() == FILE_NOT_FOUND) {
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keyInfo = metadataManager.getOpenKeyTable().get(objectKey);
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if (keyInfo == null) {
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throw new OMException("Key not found, checkAccess failed. Key:" +
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objectKey, KEY_NOT_FOUND);
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}
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}
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}
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if (keyInfo == null) {
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throw new OMException("Key not found, checkAccess failed. Key:" +
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objectKey, KEY_NOT_FOUND);
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}
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boolean hasAccess = OzoneUtils.checkAclRight(keyInfo.getAcls(), context);
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LOG.debug("user:{} has access rights for key:{} :{} ",
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context.getClientUgi(), ozObject.getKeyName(), hasAccess);
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