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HDFS-15091. Cache Admin and Quota Commands Should Check SuperUser Before Taking Lock. Contributed by Ayush Saxena.

This commit is contained in:
Ayush Saxena 2020-01-04 19:02:59 +05:30
parent 037ec8cfb1
commit f8644fbe9f
3 changed files with 4 additions and 16 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirAttrOp.java
View File

@ -233,9 +233,6 @@ public class FSDirAttrOp {
*/
static void setQuota(FSDirectory fsd, FSPermissionChecker pc, String src,
long nsQuota, long ssQuota, StorageType type) throws IOException {
if (fsd.isPermissionEnabled()) {
pc.checkSuperuserPrivilege();
}
fsd.writeLock();
try {

13
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNDNCacheOp.java
View File

@ -78,11 +78,6 @@ class FSNDNCacheOp {
FSNamesystem fsn, CacheManager cacheManager, CachePoolInfo req,
boolean logRetryCache)
throws IOException {
final FSPermissionChecker pc = getFsPermissionChecker(fsn);
if (pc != null) {
pc.checkSuperuserPrivilege();
}
CachePoolInfo info = cacheManager.addCachePool(req);
fsn.getEditLog().logAddCachePool(info, logRetryCache);
return info;
@ -91,10 +86,6 @@ class FSNDNCacheOp {
static void modifyCachePool(
FSNamesystem fsn, CacheManager cacheManager, CachePoolInfo req,
boolean logRetryCache) throws IOException {
final FSPermissionChecker pc = getFsPermissionChecker(fsn);
if (pc != null) {
pc.checkSuperuserPrivilege();
}
cacheManager.modifyCachePool(req);
fsn.getEditLog().logModifyCachePool(req, logRetryCache);
}
@ -102,10 +93,6 @@ class FSNDNCacheOp {
static void removeCachePool(
FSNamesystem fsn, CacheManager cacheManager, String cachePoolName,
boolean logRetryCache) throws IOException {
final FSPermissionChecker pc = getFsPermissionChecker(fsn);
if (pc != null) {
pc.checkSuperuserPrivilege();
}
cacheManager.removeCachePool(cachePoolName);
fsn.getEditLog().logRemoveCachePool(cachePoolName, logRetryCache);
}

4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -3378,6 +3378,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
final String operationName = getQuotaCommand(nsQuota, ssQuota);
final FSPermissionChecker pc = getPermissionChecker();
try {
checkSuperuserPrivilege(pc);
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -7197,6 +7198,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
checkOperation(OperationCategory.WRITE);
String poolInfoStr = null;
try {
checkSuperuserPrivilege();
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -7223,6 +7225,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
String poolNameStr = "{poolName: " +
(req == null ? null : req.getPoolName()) + "}";
try {
checkSuperuserPrivilege();
writeLock();
try {
checkOperation(OperationCategory.WRITE);
@ -7248,6 +7251,7 @@ public class FSNamesystem implements Namesystem, FSNamesystemMBean,
checkOperation(OperationCategory.WRITE);
String poolNameStr = "{poolName: " + cachePoolName + "}";
try {
checkSuperuserPrivilege();
writeLock();
try {
checkOperation(OperationCategory.WRITE);