| Commit message (Collapse) | Author | Age | Files | Lines |
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Add support for handling the new client-side upcall. The kernel,
beginning with 2.6.29, will attempt to use a new pipe, "gssd",
which can be used for upcalls for all gss mechanisms.
The new upcall is text-based with an <attribute>=<value> format.
Attribute/value pairs are separated by a space, and terminated
with a new-line character.
The intial version has two required attributes,
mech=<gss_mechanism_name> and uid=<user's_UID_number>, and two
optional attributes, target=<gss_target_name> and service=<value>.
Future kernels may add new attribute/value pairs.
Signed-off-by: Olga Kornievskaia <aglo@citi.umich.edu>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Change the processing so that all subdirectories within the rpc_pipefs
directory are treated equally. Any "clnt" directories that show up
within any of them are processed. (As suggested by Bruce Fields.)
Note that the callback authentication will create a new "nfs4d_cb"
subdirectory. Only new kernels (2.6.29) will create this new directory.
(The need for this directory will go away with NFSv4.1 where the
callback can be done on the same connection as the fore-channel.)
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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The current upcall could be more efficient. We first convert the address
to a hostname, and then later when we set up the RPC client, we do a
hostname lookup to convert it back to an address.
Begin to change this by keeping the address in the clnt_info that we get
out of the upcall. Since a sockaddr has a port field, we can also
eliminate the port from the clnt_info.
Finally, switch to getnameinfo() instead of gethostbyaddr(). We'll need
to use that call anyway when we add support for IPv6.
Reviewed-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve Dickson <steved@redhat.com>
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environment this may not be the desired behaviour. Therefore a new
option, -R preferred realm, is presented so that the rpc.gssd prefers tickets
from this realm. By default, the default realm is preferred.
Signed-off-by: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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of the Kerberos ticket used in its creation. (For contexts
created using the Kerberos mechanism.) Thus kdestroy has
no effect in nullifying the kernel context.
This patch adds -t <timeout> option to rpc.gssd so that the client's
administrator may specify a timeout for expiration of contexts in kernel.
After this timeout, rpc.gssd is consulted to create a new context.
By default, timeout is 0 (i.e., no timeout at all) which follows the
previous behavior.
Signed-off-by: Lukas Hejtmanek <xhejtman@ics.muni.cz>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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possible to search several directories for valid credentials when
making NFS requests.
Original patch from Vince Busam <vbusam@google.com>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>.
Signed-off-by: Steve Dickson <steved@redhat.com>
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see if a port number was supplied. If so, use it rather
than the default port number.
Signed-off-by: Olga Kornievskaia <aglo@citi.umich.edu>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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the size of the poll array
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Steve Dickson <steved@redhat.com>
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Future work needs access to the base pipefs directory rather than
the nfs subdirectory. Create two separate paths called
pipefs_dir and pipefs_nfsdir with the name of each.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
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Add a new option ("-n") to rpc.gssd to indicate that accesses as root
(uid 0) should not use machine credentials, but should instead use
"normal" Kerberos credentials obtained by root.
This change was prompted by a suggestion and patch from Daniel
Muntz <Dan.Muntz@netapp.com>. That patch suggested trying "normal"
credentials first and falling back to using machine creds for
uid 0 if normal creds failed.
This opens up the case where root may have credentials as "foo@REALM"
and begins accessing files. Then the context using those credentials
expires and must be renewed. If the credentials are now expired, then
root's new context would fall back and be created with the machine
credentials.
Instead, this patch insists that the administrator choose to use either
machine credentials for accesses by uid 0 (the default behavior, as
it was before) or "normal" credentials. In the latter case, arrangements
must be made to obtain credentials before attempting a mount. There
should be no doubts which credentials are used for uid 0.
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@suse.de>
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Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Add option to store gssd ccaches in a MEMORY: cache rather
than the default FILE: cache. In response to suggestion
from Steve Dickson <steved@redhat.com> and
Nalin Dahyabhai <nalin@redhat.com>.
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From: Vince Busam <vbusam@google.com>
Signed-off-by: Kevin Coffman <kwc@citi.umich.edu>
Add command line option to specify which directory should be searched
to find credentials caches.
(really this time)
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