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Subject[PATCH net-next 09/17] rxrpc: Allow security classes to give more info on server keys
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Allow a security class to give more information on an rxrpc_s-type key when
it is viewed in /proc/keys. This will allow the upcoming RxGK security
class to show the enctype name here.

Signed-off-by: David Howells <dhowells@redhat.com>
---

net/rxrpc/ar-internal.h | 3 +++
net/rxrpc/server_key.c | 4 ++++
2 files changed, 7 insertions(+)

diff --git a/net/rxrpc/ar-internal.h b/net/rxrpc/ar-internal.h
index 6682c797b878..0fb294725ff2 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -227,6 +227,9 @@ struct rxrpc_security {
/* Destroy the payload of a server key */
void (*destroy_server_key)(struct key *);

+ /* Describe a server key */
+ void (*describe_server_key)(const struct key *, struct seq_file *);
+
/* initialise a connection's security */
int (*init_connection_security)(struct rxrpc_connection *,
struct rxrpc_key_token *);
diff --git a/net/rxrpc/server_key.c b/net/rxrpc/server_key.c
index 1a2f0b63ee1d..ead3471307ee 100644
--- a/net/rxrpc/server_key.c
+++ b/net/rxrpc/server_key.c
@@ -105,7 +105,11 @@ static void rxrpc_destroy_s(struct key *key)

static void rxrpc_describe_s(const struct key *key, struct seq_file *m)
{
+ const struct rxrpc_security *sec = key->payload.data[1];
+
seq_puts(m, key->description);
+ if (sec && sec->describe_server_key)
+ sec->describe_server_key(key, m);
}

/*

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