** Changed in: gvfs
Status: New => Expired
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https://bugs.launchpad.net/bugs/435719
Title:
gvfs-fuse fails to start on NFS mounted homes
Status in GVFS:
Expired
Status in “gvfs” package in Ubuntu:
Triaged
Bug description:
Binary package hint: gvfs
gvfsd usually start a gvfs-fuse-daemon for GVFS mounts, which fuse-
mounts to $HOME/.gvfs. This fails if the home directory resides on an
NFS share with root squashing enabled. Thus, users in a
corporate/networked environment with such NFS homes cannot use gvfs
effectively, since a lot of applications rely on the fuse mount.
For those unfamiliar with NFS, root squashing means the local UID 0 is
mapped to the anonymous/nobody UID on the remote system when it tries
to access the NFS share. Since home and subdirectories have
permissions 0700, $HOME/.gvfs cannot be accessed by root in this case.
This makes the mount() call of gvfs-fuse-daemon fail (verifiable with
'strace gvfs-fuse-daemon /home/user/.gvfs').
There are two solutions to this:
a) disable root squashing
b) move the .gvfs directory somewhere else
a) is not a good choice for security reasons. b) seems not to be
possible at the moment. I looked at the sources for the current
(jaunty and karmic) gvfs package and found
mount->fuse_mountpoint = g_build_filename (g_get_home_dir(), ".gvfs",
fs_name, NULL);
in daemon/mount.c. Even though gvfs-fuse-daemon can be called with any
path you like, it looks like the path which gfvsd uses for the call is
hard-coded. I was able to symlink /home/user/.gvfs to /tmp/.gvfs, and
this works. But I am not sure if that is a good solution.
I would like to ask the package maintainers to a) include a README.NFS
in the package which points out the problem and workaround (I can
write one if you like) and b) forward this bug upstream to the right
place, so the path with which gfvs-fuse-daemon gets called can be
configured.
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