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acl_valid(3)
NAME
  acl_valid - Checks an ACL for validity

SYNOPSIS
  #include <sys/acl.h>

  int acl_valid(
	  acl_t acl_d,
	  acl_entry_t *entry_p );

LIBRARY
  Security Library (libpacl.a)

PARAMETERS
  acl_d
      Specifies the working storage internal representation of an ACL.

  entry_p
      Pointer to the location that holds a returned ACL entry.

DESCRIPTION
  NOTE:	 This function is based on Draft 13 of the POSIX P1003.6 standard.

  The acl_valid() function checks the ACL for validity.	 An ACL is invalid if
  one or more of the following conditions are violated:

    ·  The three required entries (ACL_USER_OBJ, ACL_GROUP_OBJ, and
       ACL_OTHER_OBJ) must appear exactly once in an ACL of type
       ACL_TYPE_ACCESS, and in a non-empty ACL of type ACL_TYPE_DEFAULT or
       ACL_TYPE_DEFAULT_DIR.

    ·  The ACL must not contain a duplicate entry.  An entry is duplicated if
       another entry in the same ACL has the same entry tag type and the same
       tag qualifier (sameness or difference in permissions is not relevant).

RETURN VALUES
  Upon successful completion, the acl_valid() function returns a value of 0
  (zero). Otherwise, a value of -1 is returned, and the errno global variable
  is set to indicate the error.

ERRORS
  For the following condition, the acl_valid() function sets the location
  specified by the entry_p parameter with the value of the ACL entry for
  which one or more duplicates exist elsewhere in the ACL.

  [EINVAL]
      The ACL contains entries that are not unique.

  For the following conditions, the acl_valid() function sets the location
  indicated by the entry_p parameter to the NULL value.

  [EINVAL]
      The acl_d parameter does not refer to a valid ACL.

      One or more of the required entries is not present.

SEE ALSO
  acl_create_entry(3), acl_init(3), acl_get_fd(3), acl_get_file(3),
  acl_set_fd(3), acl_set_file(3), acl(4)

  Security

Index for Section 3

Alphabetical listing for A

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