Enforce read-only permissions in FUSE open()
--------------------------------------------
Key: HDFS-1841
URL: https://issues.apache.org/jira/browse/HDFS-1841
Project: Hadoop HDFS
Issue Type: Bug
Components: contrib/fuse-dfs
Affects Versions: 0.20.2
Environment: Linux 2.6.35
Reporter: Brian Bloniarz
Priority: Minor
fuse-dfs currently allows files to be created on a read-only filesystem:
$ fuse_dfs_wrapper.sh dfs://example.com:8020 ro ~/hdfs
$ touch ~/hdfs/foobar
Attached is a simple patch, which does two things:
1) Checks the read_only flag inside dfs_open().
2) Passes the read-only mount option to FUSE when ro is specified on the
commandline. This is probably a better long-term solution; the kernel will
enforce the read-only operations without it being necessary inside the client.
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
