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https://issues.apache.org/jira/browse/HADOOP-6272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12757722#action_12757722
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Urko Benito commented on HADOOP-6272:
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I think there are some questions.
# The _whoami without full path_. As *Allen* says, the Solaris default
installation comes with _BSD Style Commands_ like whoami, id, etc. The
questions is that Solaris is a SysV and if you put BSD style commands before
SysV commands may be the system will be break. At the moment _Solaris will be
retro-compatible_ and will install the BSD Compatible Files by default, but if
the user says _not_ to install it will no be any BSD like commands on the
Solaris box.
# The _Solaris specific code_, i think, yes it's a problem because we need to
maintance but there's no option. For the _whoami_ command we can use Java
builtin function, but not for _group_
{code:java}
System.getProperty("user.name");
{code}
As a simple note, yes, you can _hack_ the _System.getProperty_ with a
_System.setProperty_
# I subimited the _diff_ to show how it can be solved, _it was not a patch_
i'd create a patch but there was no agreement to create/commit the patch
because it was Os specific, so i didn't do it.
I will create a HADOOP-6272 patch file with the changes, on tomorroy with JUnit
test and so
> Incorrect UserName at Solaris because it has no "whoami" command by default
> ---------------------------------------------------------------------------
>
> Key: HADOOP-6272
> URL: https://issues.apache.org/jira/browse/HADOOP-6272
> Project: Hadoop Common
> Issue Type: Improvement
> Components: security, util
> Affects Versions: 0.20.1, 0.21.0
> Environment: OS: SunOS 5.10
> Reporter: Urko Benito
> Attachments: PermissionChecker.java.diff, Shell.java.diff,
> test-hadoop-security.tar.gz, UnixUserGroupInformation.java.diff
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> Solaris enviroment has no __whoami__ command, so the __getUnixUserName()__ at
> UnixUserGroupInformation class fails because it's calling to
> Shell.USER_NAME_COMMAND which is defines as "whoami".
> So it launched an Exception and set the default "DrWho" username ignoring all
> the FileSystem permissions.
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