1 | /* |
2 | * Copyright (c) 2003,2013,2017 Apple Inc. All rights reserved. |
3 | * |
4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
5 | * |
6 | * This file contains Original Code and/or Modifications of Original Code |
7 | * as defined in and that are subject to the Apple Public Source License |
8 | * Version 2.0 (the 'License'). You may not use this file except in |
9 | * compliance with the License. The rights granted to you under the License |
10 | * may not be used to create, or enable the creation or redistribution of, |
11 | * unlawful or unlicensed copies of an Apple operating system, or to |
12 | * circumvent, violate, or enable the circumvention or violation of, any |
13 | * terms of an Apple operating system software license agreement. |
14 | * |
15 | * Please obtain a copy of the License at |
16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
17 | * |
18 | * The Original Code and all software distributed under the License are |
19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
23 | * Please see the License for the specific language governing rights and |
24 | * limitations under the License. |
25 | * |
26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
27 | */ |
28 | |
29 | #include "kpi_interfacefilter.h" |
30 | |
31 | #include <sys/malloc.h> |
32 | #include <sys/param.h> |
33 | #include <sys/socket.h> |
34 | #include <sys/kern_event.h> |
35 | #include <net/dlil.h> |
36 | |
37 | #undef iflt_attach |
38 | errno_t |
39 | iflt_attach( |
40 | ifnet_t interface, |
41 | const struct iff_filter *filter, |
42 | interface_filter_t *filter_ref); |
43 | |
44 | |
45 | errno_t |
46 | iflt_attach_internal( |
47 | ifnet_t interface, |
48 | const struct iff_filter *filter, |
49 | interface_filter_t *filter_ref) |
50 | { |
51 | if (interface == NULL) { |
52 | return ENOENT; |
53 | } |
54 | |
55 | return dlil_attach_filter(interface, filter, filter_ref, |
56 | DLIL_IFF_INTERNAL); |
57 | } |
58 | |
59 | errno_t |
60 | iflt_attach( |
61 | ifnet_t interface, |
62 | const struct iff_filter *filter, |
63 | interface_filter_t *filter_ref) |
64 | { |
65 | if (interface == NULL) { |
66 | return ENOENT; |
67 | } |
68 | |
69 | return dlil_attach_filter(interface, filter, filter_ref, 0); |
70 | } |
71 | |
72 | void |
73 | iflt_detach( |
74 | interface_filter_t filter_ref) |
75 | { |
76 | dlil_detach_filter(filter_ref); |
77 | } |
78 | |