[v1,1/6] KEYS: Helper function to check if the given keyring is builtin_trusted_keys
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Message ID 20191023001818.3684-2-nramas@linux.microsoft.com
State New
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Series
  • KEYS: measure keys when they are created or updated
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Commit Message

Lakshmi Ramasubramanian Oct. 23, 2019, 12:18 a.m. UTC
Helper function to check if the given keyring is
the builtin_trusted_keys keyring.

This function is used by ima to determine if a key is
added to the builtin_trusted_keys keyring.

Signed-off-by: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>
---
 certs/system_keyring.c        | 5 +++++
 include/keys/system_keyring.h | 2 ++
 2 files changed, 7 insertions(+)

Patch
diff mbox series

diff --git a/certs/system_keyring.c b/certs/system_keyring.c
index 1eba08a1af82..5533c7f92fef 100644
--- a/certs/system_keyring.c
+++ b/certs/system_keyring.c
@@ -283,3 +283,8 @@  void __init set_platform_trusted_keys(struct key *keyring)
 	platform_trusted_keys = keyring;
 }
 #endif
+
+inline bool is_builtin_trusted_keyring(struct key *keyring)
+{
+	return (keyring == builtin_trusted_keys);
+}
diff --git a/include/keys/system_keyring.h b/include/keys/system_keyring.h
index c1a96fdf598b..2bc0aaa07f05 100644
--- a/include/keys/system_keyring.h
+++ b/include/keys/system_keyring.h
@@ -66,4 +66,6 @@  static inline void set_platform_trusted_keys(struct key *keyring)
 }
 #endif
 
+extern bool is_builtin_trusted_keyring(struct key *keyring);
+
 #endif /* _KEYS_SYSTEM_KEYRING_H */