job access controls let invalid user see job info via web ui when they
shouldn't be able to
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Key: MAPREDUCE-3417
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3417
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: mrv2
Affects Versions: 0.23.0
Reporter: Thomas Graves
Priority: Critical
tested with security on, no filters defined for httpserver, job acls set so
that only I could view/modify the job. Then went to the web ui to app master
and job history server and both allowed me to view the job details. The webui
shows the user "webuser". The RM properly rejected my request although it was
using user "Dr.Who".
The exception shown in the log is:
11/11/16 18:58:53 INFO mapred.JobACLsManager: job checkAccess user is: webuser
11/11/16 18:58:53 WARN security.ShellBasedUnixGroupsMapping: got exception
trying to get groups for user webuser
org.apache.hadoop.util.Shell$ExitCodeException: id: webuser: No such user
at org.apache.hadoop.util.Shell.runCommand(Shell.java:261)
at org.apache.hadoop.util.Shell.run(Shell.java:188)
at
org.apache.hadoop.util.Shell$ShellCommandExecutor.execute(Shell.java:381)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:467)
at org.apache.hadoop.util.Shell.execCommand(Shell.java:450)
at
org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getUnixGroups(ShellBasedUnixGroupsMapping.java:86)
at
org.apache.hadoop.security.ShellBasedUnixGroupsMapping.getGroups(ShellBasedUnixGroupsMapping.java:55)
at org.apache.hadoop.security.Groups.getGroups(Groups.java:88)
at
org.apache.hadoop.security.UserGroupInformation.getGroupNames(UserGroupInformation.java:1043)
at
org.apache.hadoop.security.authorize.AccessControlList.isUserAllowed(AccessControlList.java:221)
at
org.apache.hadoop.mapred.JobACLsManager.checkAccess(JobACLsManager.java:103)
at
org.apache.hadoop.mapreduce.v2.hs.CompletedJob.checkAccess(CompletedJob.java:325)
at
org.apache.hadoop.mapreduce.v2.app.webapp.AppController.checkAccess(AppController.java:292)
at
org.apache.hadoop.mapreduce.v2.app.webapp.AppController.requireJob(AppController.java:313)
at
org.apache.hadoop.mapreduce.v2.app.webapp.AppController.job(AppController.java:97)
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