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Dag H. Wanvik edited comment on DERBY-5363 at 10/3/11 3:20 PM: --------------------------------------------------------------- Ok, folks, let's make this a Java 7 and upwards feature. I'll change the implementation accordingly. was (Author: dagw): Ok, folks, let's make this a JDK 7 and upwards feature. I'll change the implementation accordingly. > Tighten default permissions of DB files with >= JDK6 > ---------------------------------------------------- > > Key: DERBY-5363 > URL: https://issues.apache.org/jira/browse/DERBY-5363 > Project: Derby > Issue Type: Improvement > Components: Miscellaneous, Services, Store > Reporter: Dag H. Wanvik > Assignee: Dag H. Wanvik > Attachments: derby-5363-basic-1.diff, derby-5363-basic-1.stat, > derby-5363-basic-2.diff, derby-5363-basic-2.stat, derby-5363-basic-3.diff, > derby-5363-basic-3.stat, derby-5363-followup.diff, derby-5363-full-1.diff, > derby-5363-full-1.stat, derby-5363-full-2.diff, derby-5363-full-2.stat, > derby-5363-full-3.diff, derby-5363-full-3.stat, derby-5363-full-4.diff, > derby-5363-full-4.stat, derby-5363-full-5.diff, derby-5363-full-5.stat, > derby-5363-server-1.diff, permission-5.diff, permission-5.stat, > permission-6.diff, permission-6.stat, property-table.png, releaseNote.html, > releaseNote.html, releaseNote.html, releaseNote.html, z.sql > > > Before Java 6, files created by Derby would have the default > permissions of the operating system context. Under Unix, this would > depend on the effective umask of the process that started the Java VM. > In Java 6 and 7, there are methods available that allows tightening up this > (File.setReadable, setWritable), making it less likely that somebody > would accidentally run Derby with a too lenient default. > I suggest we take advantage of this, and let Derby by default (in Java > 6 and higher) limit the visibility to the OS user that starts the VM, > e.g. on Unix this would be equivalent to running with umask 0077. More > secure by default is good, I think. > We could have a flag, e.g. "derby.storage.useDefaultFilePermissions" > that when set to true, would give the old behavior. -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira