diff options
| author |   David Howells <dhowells@redhat.com> | 2019-05-30 14:53:10 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2019-06-19 13:27:45 +0100 |
| commit | 45e0f30c30bb131663fbe1752974d6f2e39611e2 (patch) | |
| tree | 7679786ee974e03e277c871e68491921e491cdd8 /include/uapi/linux | |
| parent | keys: Reuse keyring_index_key::desc_len in lookup_user_key() (diff) | |
| download | linux-dev-45e0f30c30bb131663fbe1752974d6f2e39611e2.tar.xz linux-dev-45e0f30c30bb131663fbe1752974d6f2e39611e2.zip | |
keys: Add capability-checking keyctl function
Add a keyctl function that requests a set of capability bits to find out
what features are supported.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'include/uapi/linux')
| -rw-r--r-- | include/uapi/linux/keyctl.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/include/uapi/linux/keyctl.h b/include/uapi/linux/keyctl.h index fd9fb11b312b..551b5814f53e 100644 --- a/include/uapi/linux/keyctl.h +++ b/include/uapi/linux/keyctl.h @@ -68,6 +68,7 @@ #define KEYCTL_PKEY_VERIFY 28 /* Verify a public key signature */ #define KEYCTL_RESTRICT_KEYRING 29 /* Restrict keys allowed to link to a keyring */ #define KEYCTL_MOVE 30 /* Move keys between keyrings */ +#define KEYCTL_CAPABILITIES 31 /* Find capabilities of keyrings subsystem */ /* keyctl structures */ struct keyctl_dh_params { @@ -115,4 +116,17 @@ struct keyctl_pkey_params { #define KEYCTL_MOVE_EXCL 0x00000001 /* Do not displace from the to-keyring */ +/* + * Capabilities flags. The capabilities list is an array of 8-bit integers; + * each integer can carry up to 8 flags. + */ +#define KEYCTL_CAPS0_CAPABILITIES 0x01 /* KEYCTL_CAPABILITIES supported */ +#define KEYCTL_CAPS0_PERSISTENT_KEYRINGS 0x02 /* Persistent keyrings enabled */ +#define KEYCTL_CAPS0_DIFFIE_HELLMAN 0x04 /* Diffie-Hellman computation enabled */ +#define KEYCTL_CAPS0_PUBLIC_KEY 0x08 /* Public key ops enabled */ +#define KEYCTL_CAPS0_BIG_KEY 0x10 /* big_key-type enabled */ +#define KEYCTL_CAPS0_INVALIDATE 0x20 /* KEYCTL_INVALIDATE supported */ +#define KEYCTL_CAPS0_RESTRICT_KEYRING 0x40 /* KEYCTL_RESTRICT_KEYRING supported */ +#define KEYCTL_CAPS0_MOVE 0x80 /* KEYCTL_MOVE supported */ + #endif /* _LINUX_KEYCTL_H */ |