caozhiqiang created HDFS-16983:
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Summary: Whether checking path access permissions should be
decided by dfs.permissions.enabled in concat operation
Key: HDFS-16983
URL: https://issues.apache.org/jira/browse/HDFS-16983
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 3.4.0
Reporter: caozhiqiang
Assignee: caozhiqiang
In concat RPC, it will call FSDirConcatOp::verifySrcFiles() to check the source
files. In this function, it would make permission check for srcs. Whether do
the permission check should be decided by dfs.permissions.enabled
configuration. And the 'pc' parameter is always not null.
{code:java}
// permission check for srcs
if (pc != null) {
fsd.checkPathAccess(pc, iip, FsAction.READ); // read the file
fsd.checkParentAccess(pc, iip, FsAction.WRITE); // for delete
} {code}
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