1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
|
/*
*
* Connection Manager
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/ethernet.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <glib.h>
#include <connman/device.h>
#include <connman/rtnl.h>
#include <connman/log.h>
#include "connman.h"
static GSList *device_list = NULL;
static struct connman_device *find_device(int index)
{
GSList *list;
for (list = device_list; list; list = list->next) {
struct connman_device *device = list->data;
if (connman_device_get_index(device) == index)
return device;
}
return NULL;
}
static char *index2name(int index)
{
struct ifreq ifr;
int sk, err;
if (index < 0)
return NULL;
sk = socket(PF_INET, SOCK_DGRAM, 0);
if (sk < 0)
return NULL;
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_ifindex = index;
err = ioctl(sk, SIOCGIFNAME, &ifr);
close(sk);
if (err < 0)
return NULL;
return strdup(ifr.ifr_name);
}
static char *index2ident(int index, const char *prefix)
{
struct ifreq ifr;
struct ether_addr *eth;
char *str;
int sk, err, len;
if (index < 0)
return NULL;
sk = socket(PF_INET, SOCK_DGRAM, 0);
if (sk < 0)
return NULL;
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_ifindex = index;
err = ioctl(sk, SIOCGIFNAME, &ifr);
if (err == 0)
err = ioctl(sk, SIOCGIFHWADDR, &ifr);
close(sk);
if (err < 0)
return NULL;
len = prefix ? strlen(prefix) + 18 : 18;
str = malloc(len);
if (!str)
return NULL;
eth = (void *) &ifr.ifr_hwaddr.sa_data;
snprintf(str, len, "%s%02X_%02X_%02X_%02X_%02X_%02X",
prefix ? prefix : "",
eth->ether_addr_octet[0],
eth->ether_addr_octet[1],
eth->ether_addr_octet[2],
eth->ether_addr_octet[3],
eth->ether_addr_octet[4],
eth->ether_addr_octet[5]);
return str;
}
static void detect_newlink(unsigned short type, int index,
unsigned flags, unsigned change)
{
enum connman_device_type devtype = CONNMAN_DEVICE_TYPE_UNKNOWN;
struct connman_device *device;
gchar *name, *devname;
DBG("type %d index %d", type, index);
device = find_device(index);
if (device != NULL)
return;
devname = index2name(index);
if (type == ARPHRD_ETHER) {
char bridge_path[PATH_MAX], wimax_path[PATH_MAX];
struct stat st;
struct iwreq iwr;
int sk;
snprintf(bridge_path, PATH_MAX,
"/sys/class/net/%s/bridge", devname);
snprintf(wimax_path, PATH_MAX,
"/sys/class/net/%s/wimax", devname);
memset(&iwr, 0, sizeof(iwr));
strncpy(iwr.ifr_ifrn.ifrn_name, devname, IFNAMSIZ);
sk = socket(PF_INET, SOCK_DGRAM, 0);
if (g_str_has_prefix(devname, "bnep") == TRUE)
devtype = CONNMAN_DEVICE_TYPE_UNKNOWN;
else if (stat(bridge_path, &st) == 0 && (st.st_mode & S_IFDIR))
devtype = CONNMAN_DEVICE_TYPE_UNKNOWN;
else if (stat(wimax_path, &st) == 0 && (st.st_mode & S_IFDIR))
devtype = CONNMAN_DEVICE_TYPE_WIMAX;
else if (ioctl(sk, SIOCGIWNAME, &iwr) == 0)
devtype = CONNMAN_DEVICE_TYPE_UNKNOWN;
else
devtype = CONNMAN_DEVICE_TYPE_ETHERNET;
close(sk);
} else if (type == ARPHRD_NONE) {
if (g_str_has_prefix(devname, "hso") == TRUE)
devtype = CONNMAN_DEVICE_TYPE_HSO;
}
if (devtype == CONNMAN_DEVICE_TYPE_UNKNOWN) {
g_free(devname);
return;
}
switch (devtype) {
case CONNMAN_DEVICE_TYPE_HSO:
name = strdup(devname);
break;
default:
name = index2ident(index, "dev_");
break;
}
device = connman_device_create(name, devtype);
if (device == NULL) {
g_free(devname);
g_free(name);
return;
}
switch (devtype) {
case CONNMAN_DEVICE_TYPE_BLUETOOTH:
case CONNMAN_DEVICE_TYPE_HSO:
connman_device_set_policy(device, CONNMAN_DEVICE_POLICY_MANUAL);
break;
default:
break;
}
connman_device_set_index(device, index);
connman_device_set_interface(device, devname);
g_free(devname);
g_free(name);
if (connman_device_register(device) < 0) {
connman_device_unref(device);
return;
}
device_list = g_slist_append(device_list, device);
}
static void detect_dellink(unsigned short type, int index,
unsigned flags, unsigned change)
{
struct connman_device *device;
DBG("type %d index %d", type, index);
device = find_device(index);
if (device == NULL)
return;
device_list = g_slist_remove(device_list, device);
connman_device_unregister(device);
connman_device_unref(device);
}
static struct connman_rtnl detect_rtnl = {
.name = "detect",
.priority = CONNMAN_RTNL_PRIORITY_LOW,
.newlink = detect_newlink,
.dellink = detect_dellink,
};
int __connman_detect_init(void)
{
int err;
err = connman_rtnl_register(&detect_rtnl);
if (err < 0)
return err;
connman_rtnl_send_getlink();
return 0;
}
void __connman_detect_cleanup(void)
{
GSList *list;
connman_rtnl_unregister(&detect_rtnl);
for (list = device_list; list; list = list->next) {
struct connman_device *device = list->data;
connman_device_unregister(device);
connman_device_unref(device);
}
g_slist_free(device_list);
device_list = NULL;
}
|