diff mbox series

[net-next,09/17] rxrpc: Allow security classes to give more info on server keys

Message ID 160616226750.830164.2093457327608722796.stgit@warthog.procyon.org.uk (mailing list archive)
State Accepted
Delegated to: Netdev Maintainers
Headers show
Series rxrpc: Prelude to gssapi support | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present fail Series targets non-next tree, but doesn't contain any Fixes tags
netdev/patch_count fail Series longer than 15 patches
netdev/tree_selection success Clearly marked for net
netdev/subject_prefix success Link
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 6 this patch: 6
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch warning WARNING: function definition argument 'const struct key *' should also have an identifier name WARNING: function definition argument 'struct seq_file *' should also have an identifier name
netdev/build_allmodconfig_warn success Errors and warnings before: 6 this patch: 6
netdev/header_inline success Link
netdev/stable success Stable not CCed

Commit Message

David Howells Nov. 23, 2020, 8:11 p.m. UTC
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 mbox series

Patch

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);
 }
 
 /*