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[20061123]
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ssshfs success (Updated)
I've taken the existance of ssshfs as a reason for upgrading
my kernel from the netbsd-4 branch (which will go through
re-birth from -current soon anyways) to today's -current,
and played with ssshfs a bit. As I didn't want to upgrade the
full userland of the machine, I had to do a bit of a dance
to get things going in src/obj/destdir, but after
- chroot .../src/obj/destdir
- cd .../src/obj/destdir/dev ; sh MAKEDEV all puffs
- cd .../src/share/examples/puffs/ssshfs ; make
- ./ssshfs i@remotemachine:/path/to/my/home /mnt
things work fine, and I can access my $HOME on the remote machine
just like a local file (esp. from outside the chroot):
miyu% df | grep destdir
puffs:ssshfs 0 0 0 100% /usr/src/obj/destdir/mnt
miyu% cd /usr/src/obj/destdir/mnt
miyu% ls
AdobeFnt.lst OS bin public_html
Desktop OpenOffice.org1.1.0 in tmp
...
miyu% ls -l .cshrc
-rw-r--r-- 1 39068 2000 4706 Jun 16 01:01 .cshrc
miyu% head -2 .cshrc
# Default .cshrc fuer Solaris, Irix, ...
#
miyu% md5 .cshrc
MD5 (.cshrc) = 2ad1d2606a5678f312709a388376c2e5
miyu% ls -l test
ls: test: No such file or directory
miyu% date >test
miyu% ls -l test
-rw-r--r-- 1 39068 2000 29 Nov 23 01:19 test
miyu% cat test
Thu Nov 23 01:19:36 MET 2006
miyu% vi test
miyu% cat test
Thu Nov 23 01:19:36 MET 2006
foobar
hubertf was here
miyu% rm test
miyu% cat test
cat: test: No such file or directory
miyu%
Neat! I've found one bug when running stat(2) -- e.g. via ls -l --
on a symlink. ssshfs then hangs and the mounting process needs to
be ^Cd, but I'm sure this is not a major problem.
Update:
The cause of the hang was identified: I tried this against
Solaris 9, which has a sshd that only supports
the SFTP File Transport Protocol Version2, but to properly
handle symlinks Version 3 is needed. A check for the
protocol version was added, to indicate the case can't be
handled.
[Tags: puffs, ssh]
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