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DESCRIPTION

POSIX.1e describes a set of ACL manipulation routines to manage the contents of ACLs, as well as their relationships with files; almost all of these support routines are implemented in FreeBSD.

Available functions, sorted by behavior, include:

acl_add_flag_np()

This function is described in acl_add_flag_np(3), and may be used to add flags to a flagset.

acl_add_perm()

This function is described in acl_add_perm(3), and may be used to add permissions to a permission set.

acl_calc_mask()

This function is described in acl_calc_mask(3), and may be used to calculate and set the permissions associated with the ACL_MASK entry.

acl_clear_flags_np()

This function is described in acl_clear_flags_np(3), and may be used to clear all flags from a flagset.

acl_clear_perms()

This function is described in acl_clear_perms(3), and may be used to clear all permissions from a permission set.

acl_copy_entry()

This function is described in acl_copy_entry(3), and may be used to copy the contents of an ACL entry.

acl_create_entry(), acl_create_entry_np()

These functions are described in acl_create_entry(3), and may be used to create an empty entry in an ACL.

acl_delete_def_file(), acl_delete_def_link_np(), acl_delete_fd_np(), acl_delete_file_np(), acl_delete_link_np()

These functions are described in acl_delete(3), and may be used to delete ACLs from file system objects.

acl_delete_entry(), acl_delete_entry_np(),

This functions are described in acl_delete_entry(3), and may be used to delete an entry from an ACL.

acl_delete_flag_np()

This function is described in acl_delete_flag_np(3), and may be used to delete flags from a flagset.

acl_delete_perm()

This function is described in acl_delete_perm(3), and may be used to delete permissions from a permset.

acl_dup()

This function is described in acl_dup(3), and may be used to duplicate an ACL structure.

acl_free()

This function is described in acl_free(3), and may be used to free userland working ACL storage.

acl_from_text()

This function is described in acl_from_text(3), and may be used to convert a text-form ACL into working ACL state, if the ACL has POSIX.1e or NFSv4 semantics.

acl_get_brand_np()

This function is described in acl_get_brand_np(3) and may be used to determine whether the ACL has POSIX.1e or NFSv4 semantics.

acl_get_entry()

This function is described in acl_get_entry(3), and may be used to retrieve a designated ACL entry from an ACL.

acl_get_fd(), acl_get_fd_np(), acl_get_file(), acl_get_link_np()

These functions are described in acl_get(3), and may be used to retrieve ACLs from file system objects.

acl_get_entry_type_np()

This function is described in acl_get_entry_type_np(3), and may be used to retrieve an ACL type from an ACL entry.

acl_get_flagset_np()

This function is described in acl_get_flagset_np(3), and may be used to retrieve a flagset from an ACL entry.

acl_get_permset()

This function is described in acl_get_permset(3), and may be used to retrieve a permset from an ACL entry.

acl_get_qualifier()

This function is described in acl_get_qualifier(3), and may be used to retrieve the qualifier from an ACL entry.

acl_get_tag_type()

This function is described in acl_get_tag_type(3), and may be used to retrieve the tag type from an ACL entry.

acl_init()

This function is described in acl_init(3), and may be used to allocate a fresh (empty) ACL structure.

acl_is_trivial_np()

This function is described in acl_is_trivial_np(3), and may be used to find out whether ACL is trivial.

acl_set_fd(), acl_set_fd_np(), acl_set_file(), acl_set_link_np()

These functions are described in acl_set(3), and may be used to assign an ACL to a file system object.

acl_set_entry_type_np()

This function is described in acl_set_entry_type_np(3), and may be used to set the ACL type of an ACL entry.

acl_set_flagset_np()

This function is described in acl_set_flagset_np(3), and may be used to set the flags of an ACL entry from a flagset.

acl_set_permset()

This function is described in acl_set_permset(3), and may be used to set the permissions of an ACL entry from a permset.

acl_set_qualifier()

This function is described in acl_set_qualifier(3), and may be used to set the qualifier of an ACL.

acl_set_tag_type()

This function is described in acl_set_tag_type(3), and may be used to set the tag type of an ACL.

acl_strip_np()

This function is described in acl_strip_np(3), and may be used to remove extended entries from an ACL.

acl_to_text(), acl_to_text_np()

These functions are described in acl_to_text(3), and may be used to generate a text-form of a POSIX.1e or NFSv4 semantics ACL.

acl_valid(), acl_valid_fd_np(), acl_valid_file_np(), acl_valid_link_np()

These functions are described in acl_valid(3), and may be used to validate an ACL as correct POSIX.1e-semantics, or as appropriate for a particular file system object regardless of semantics.

Documentation of the internal kernel interfaces backing these calls may be found in acl(9). The syscalls between the internal interfaces and the public library routines may change over time, and as such are not documented. They are not intended to be called directly without going through the library.