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[PATCH] Keys: Allow in-kernel key requestor to pass auxiliary data to upcaller

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The proposed NFS key type uses its own method of passing key requests to
userspace (upcalling) rather than invoking /sbin/request-key.  This is
because the responsible userspace daemon should already be running and will
be contacted through rpc_pipefs.

This patch permits the NFS filesystem to pass auxiliary data to the upcall
operation (struct key_type::request_key) so that the upcaller can use a
pre-existing communications channel more easily.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-By: Kevin Coffman <kwc@citi.umich.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
David Howells
2006-06-29 02:24:28 -07:00
committed by Linus Torvalds
parent 94583779e6
commit 4e54f08543
6 changed files with 108 additions and 30 deletions
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2
security/keys/keyctl.c
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@@ -183,7 +183,7 @@ asmlinkage long sys_request_key(const char __user *_type,
}
/* do the search */
key = request_key_and_link(ktype, description, callout_info,
key = request_key_and_link(ktype, description, callout_info, NULL,
key_ref_to_ptr(dest_ref),
KEY_ALLOC_IN_QUOTA);
if (IS_ERR(key)) {