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| author | David Howells <dhowells@redhat.com> | 2006-01-08 10:02:43 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 05:13:53 +0100 |
| commit | 017679c4d45783158dba1dd6f79e712c22bb3d9a (patch) | |
| tree | a536f0b581eacd88a64077f5ff15b29d23fc6405 /Documentation/keys.txt | |
| parent | [PATCH] kmsg_write: don't return printk return value (diff) | |
| download | linux-017679c4d45783158dba1dd6f79e712c22bb3d9a.tar.xz linux-017679c4d45783158dba1dd6f79e712c22bb3d9a.zip | |
[PATCH] keys: Permit key expiry time to be set
Add a new keyctl function that allows the expiry time to be set on a key or
removed from a key, provided the caller has attribute modification access.
Signed-off-by: David Howells <dhowells@redhat.com>
Cc: Trond Myklebust <trond.myklebust@fys.uio.no>
Cc: Alexander Zangerl <az@bond.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'Documentation/keys.txt')
| -rw-r--r-- | Documentation/keys.txt | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/Documentation/keys.txt b/Documentation/keys.txt index 6304db59bfe4..c17c4ca74302 100644 --- a/Documentation/keys.txt +++ b/Documentation/keys.txt @@ -498,7 +498,7 @@ The keyctl syscall functions are: keyring is full, error ENFILE will result. The link procedure checks the nesting of the keyrings, returning ELOOP if - it appears to deep or EDEADLK if the link would introduce a cycle. + it appears too deep or EDEADLK if the link would introduce a cycle. (*) Unlink a key or keyring from another keyring: @@ -628,6 +628,19 @@ The keyctl syscall functions are: there is one, otherwise the user default session keyring. + (*) Set the timeout on a key. + + long keyctl(KEYCTL_SET_TIMEOUT, key_serial_t key, unsigned timeout); + + This sets or clears the timeout on a key. The timeout can be 0 to clear + the timeout or a number of seconds to set the expiry time that far into + the future. + + The process must have attribute modification access on a key to set its + timeout. Timeouts may not be set with this function on negative, revoked + or expired keys. + + =============== KERNEL SERVICES =============== |