acl_check man page on SmartOS

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ACL_CHECK(3SEC)						       ACL_CHECK(3SEC)

NAME
       acl_check - check the validity of an ACL

SYNOPSIS
       cc [ flag... ] file... -lsec [ library... ]
       #include <sys/acl.h>

       int acl_check(acl_t *aclp, int isdir);

DESCRIPTION
       The  acl_check()	 function  checks the validity of an ACL pointed to by
       aclp. The isdir argument checks the validity of an  ACL	that  will  be
       applied to a directory. The ACL can be either a POSIX draft ACL as sup‐
       ported by UFS or NFSv4 ACL as supported by ZFS or NFSV4.

       When the function verifies a POSIX draft ACL, the  rules	 followed  are
       described in aclcheck(3SEC). For NFSv4 ACL, the ACL is verified against
       the following rules:

	   o	  The inheritance flags are valid.

	   o	  The ACL must have at least one ACL entry and	no  more  than
		  {MAX_ACL_ENTRIES}.

	   o	  The permission field contains only supported permissions.

	   o	  The entry type is valid.

	   o	  The  flag  fields  contain  only valid flags as supported by
		  NFSv4/ZFS.

       If any of the above rules are violated, the function fails  with	 errno
       set to EINVAL.

RETURN VALUES
       If  the	ACL is valid, acl_check() returns 0. Otherwise errno is set to
       EINVAL and the return value is set to one of the following:

       EACL_INHERIT_ERROR
			      There are invalid inheritance flags specified.

       EACL_FLAGS_ERROR
			      There are invalid flags  specified  on  the  ACL
			      that  don't  map to supported flags in NFSV4/ZFS
			      ACL model.

       EACL_ENTRY_ERROR
			      The ACL contains an unknown value	 in  the  type
			      field.

       EACL_MEM_ERROR
			      The system cannot allocate any memory.

       EACL_INHERIT_NOTDIR
			      Inheritance  flags  are only allowed for ACLs on
			      directories.

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌────────────────────┬─────────────────┐
       │  ATTRIBUTE TYPE    │ ATTRIBUTE VALUE │
       ├────────────────────┼─────────────────┤
       │Interface Stability │ Committed	      │
       ├────────────────────┼─────────────────┤
       │MT-Level	    │ MT-Safe	      │
       └────────────────────┴─────────────────┘

SEE ALSO
       acl(2), aclcheck(3SEC), aclsort(3SEC), acl(5), attributes(5)

				 Apr 22, 2008		       ACL_CHECK(3SEC)
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