1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <unistd.h>
18 #include "pppd.h"
19 
20 static int pppox_set(char **);
21 static int pppox_connect();
22 static void pppox_disconnect();
23 
24 static option_t pppox_options[] = {
25     {"pppox", o_special, pppox_set, "PPPoX socket", OPT_DEVNAM},
26     {NULL},
27 };
28 
29 static struct channel pppox_channel = {
30     .options = pppox_options,
31     .process_extra_options = NULL,
32     .check_options = NULL,
33     .connect = pppox_connect,
34     .disconnect = pppox_disconnect,
35     .establish_ppp = generic_establish_ppp,
36     .disestablish_ppp = generic_disestablish_ppp,
37     .send_config = NULL,
38     .recv_config = NULL,
39     .cleanup = NULL,
40     .close = NULL,
41 };
42 
43 static int pppox = -1;
44 
pppox_set(char ** argv)45 static int pppox_set(char **argv) {
46     if (!int_option(*argv, &pppox)) {
47         return 0;
48     }
49     info("Using PPPoX (socket = %d)", pppox);
50     the_channel = &pppox_channel;
51     return 1;
52 }
53 
pppox_connect()54 static int pppox_connect() {
55     return pppox;
56 }
57 
pppox_disconnect()58 static void pppox_disconnect() {
59     if (pppox != -1) {
60         close(pppox);
61         pppox = -1;
62     }
63 }
64 
pppox_init()65 void pppox_init() {
66     add_options(pppox_options);
67 }
68