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https://issues.apache.org/jira/browse/HIVE-26887?focusedWorklogId=835579&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-835579
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ASF GitHub Bot logged work on HIVE-26887:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 24/Dec/22 14:25
Start Date: 24/Dec/22 14:25
Worklog Time Spent: 10m
Work Description: sonarcloud[bot] commented on PR #3894:
URL: https://github.com/apache/hive/pull/3894#issuecomment-1364537607
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Issue Time Tracking
-------------------
Worklog Id: (was: 835579)
Time Spent: 20m (was: 10m)
> Make sure dirPath has the correct permissions
> ---------------------------------------------
>
> Key: HIVE-26887
> URL: https://issues.apache.org/jira/browse/HIVE-26887
> Project: Hive
> Issue Type: Improvement
> Reporter: Zhang Dongsheng
> Priority: Major
> Labels: pull-request-available
> Time Spent: 20m
> Remaining Estimate: 0h
>
> In the QueryResultsCache function of class QueryResultsCache, there is the
> following code segment
> {code:java}
> private QueryResultsCache(HiveConf configuration) throws IOException {
> ......
> FileSystem fs = cacheDirPath.getFileSystem(conf);
> FsPermission fsPermission = new FsPermission("700");
> fs.mkdirs(cacheDirPath, fsPermission);
> ......
> }
> {code}
> It can be seen that the function will use the mkdirs to create cacheDirPath,
> and the parameters passed in include the path variable cacheDirPath and a
> permission 700. But we haven't confirmed whether the permission is correctly
> assigned to the file.
> The above question is raised because there are two mkdir functions of hadoop,
> {code:java}
> mkdirs(Path f, FsPermission permission)
> {code}
> and
> {code:java}
> mkdirs(FileSystem fs, Path dir, FsPermission permission)
> {code}
> and the first one is used here. The permissions of this function will be
> affected by the underlying umask. Although 700 here will hardly be affected
> by umask, but I think from a rigorous point of view, we should have one more
> permission check and permission grant here.
> And I find same issue in other three methods here.
> In class Context
> {code:java}
> private Path getScratchDir(String scheme, String authority,
> boolean mkdir, String scratchDir) {
> ......
> FileSystem fs = dirPath.getFileSystem(conf);
> dirPath = new Path(fs.makeQualified(dirPath).toString());
> FsPermission fsPermission = new FsPermission(scratchDirPermission);
> if (!fs.mkdirs(dirPath, fsPermission)) {
> throw new RuntimeException("Cannot make directory: "
> + dirPath.toString());
> ......
> }
> {code}
> In class SessionState
> {code:java}
> static void createPath(HiveConf conf, Path path, String permission, boolean
> isLocal,
> boolean isCleanUp) throws IOException {
> FsPermission fsPermission = new FsPermission(permission);
> FileSystem fs;
> ......
> if (!fs.mkdirs(path, fsPermission)) {
> throw new IOException("Failed to create directory " + path + " on fs "
> + fs.getUri());
> }
> ......
> }
> {code}
> and in class TezSessionState
> {code:java}
> private Path createTezDir(String sessionId, String suffix) throws IOException
> {
> ......
> Path tezDir = new Path(hdfsScratchDir, TEZ_DIR);
> FileSystem fs = tezDir.getFileSystem(conf);
> FsPermission fsPermission = new FsPermission(HiveConf.getVar(conf,
> HiveConf.ConfVars.SCRATCHDIRPERMISSION));
> fs.mkdirs(tezDir, fsPermission);
> ......
> }
> {code}
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