keys: Network namespace domain tag

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Create key domain tags for network namespaces and make it possible to
automatically tag keys that are used by networked services (e.g. AF_RXRPC,
AFS, DNS) with the default network namespace if not set by the caller.

This allows keys with the same description but in different namespaces to
coexist within a keyring.

Signed-off-by: David Howells <dhowells@redhat.com>
cc: netdev@vger.kernel.org
cc: linux-nfs@vger.kernel.org
cc: linux-cifs@vger.kernel.org
cc: linux-afs@lists.infradead.org

...

This commit is contained in:

David Howells 2019-06-26 21:02:33 +01:00

parent 218e6424e7

commit 9b24261051

6 changed files with 35 additions and 1 deletions

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3

include/linux/key-type.h

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3

include/net/net_namespace.h

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20

net/core/net_namespace.c

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1

net/dns_resolver/dns_key.c

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2

net/rxrpc/key.c

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7

security/keys/keyring.c

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