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keyctl.2: Improve KEYCTL_CHOWN details 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2016-10-19 10:52:30 +02:00
parent f8aead6a94
commit 14694cb5b2
1 changed files with 6 additions and 2 deletions
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8
man2/keyctl.2
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@ -185,7 +185,8 @@ via the function
.BR keyctl_revoke (3).
.TP
.B KEYCTL_CHOWN
Change the ownership of a key.
Change the ownership (user and group ID) of a key.
The
.I arg2
argument (cast to
@ -201,18 +202,21 @@ The
argument (cast to
.IR gid_t )
contains the new group ID (or \-1 in case the group ID shouldn't be changed).
The key must grant the caller
.I setattr
permission.
For the UID to be changed, or for the GID to be changed to a group
the caller is not a member of, the caller must have the
.B CAP_SYS_ADMIN
capability (see
.BR capabilities (7)).
If the UID is to be changed, the new user must have sufficient
quota to accept the key.
The quota deduction will be removed from the old user
to the new user should the attribute be changed.
to the new user should the UID be changed.
The
.I arg5