diff options
Diffstat (limited to 'Documentation/security')
| -rw-r--r-- | Documentation/security/keys.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/security/keys.txt b/Documentation/security/keys.txt index e35de987fc48..5fe04a7cc03d 100644 --- a/Documentation/security/keys.txt +++ b/Documentation/security/keys.txt @@ -1445,6 +1445,15 @@ The structure has a number of fields, some of which are mandatory: The authorisation key. + (*) struct key_restriction *(*lookup_restriction)(const char *params); + + This optional method is used to enable userspace configuration of keyring + restrictions. The restriction parameter string (not including the key type + name) is passed in, and this method returns a pointer to a key_restriction + structure containing the relevant functions and data to evaluate each + attempted key link operation. If there is no match, -EINVAL is returned. + + ============================ REQUEST-KEY CALLBACK SERVICE ============================ |