Manual Reference Pages - VOP_ACLCHECK (9)
- check an access control list for a vnode
VOP_ACLCHECK struct vnode *vp acl_type_t type struct acl *aclp struct ucred *cred struct thread *td
This vnode call may be used to determine the validity of a particular access
control list (ACL) for a particular file or directory.
Its arguments are:
The vnode of the file or directory.
The type of ACL to check.
A pointer to an ACL structure from which to retrieve the ACL data.
The user credentials to use in authorizing the request.
The thread checking the ACL.
pointer may be NULL to indicate that access control checks are not to be
performed, if possible.
This cred setting might be used to allow the
kernel to authorize ACL verification that the active process might not be
permitted to do.
The vnode ACL interface defines the syntax, and not semantics, of file and
directory ACL interfaces.
More information about ACL management in kernel
may be found in
No locks are required to call this vnode method, and any locks held on
entry will be held on exit.
pointer points to a valid ACL of type
for the object
then zero is returned.
Otherwise, an appropriate error code is returned.
The ACL type passed is invalid for this vnode, or the ACL data is invalid.
The file or directory ACL does not permit access.
Sufficient memory is not available to fulfill the request.
The file system does not support
This manual page was written by
.An Robert Watson .
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