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acl_check

acl_check(3SEC) 				       File Access Control Library Functions					   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 supported 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)

SunOS 5.11							    22 Apr 2008 						   acl_check(3SEC)

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