| 29 |
29 |
#include <net/route.h>
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| 30 |
30 |
#include <netinet/in.h>
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| 31 |
31 |
#include <arpa/inet.h>
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|
32 |
#include "net80211/ieee80211_ioctl.h"
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| 32 |
33 |
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| 33 |
34 |
#include <stdlib.h>
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| 34 |
35 |
#include <stdio.h>
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| ... | ... | |
| 221 |
222 |
static int
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| 222 |
223 |
eth_get(const char *device, u8 ea[ETH_ALEN])
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| 223 |
224 |
{
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| 224 |
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struct if_msghdr *ifm;
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| 225 |
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struct sockaddr_dl *sdl;
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| 226 |
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u_char *p, *buf;
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| 227 |
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size_t len;
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| 228 |
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int mib[] = { CTL_NET, AF_ROUTE, 0, AF_LINK, NET_RT_IFLIST, 0 };
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|
225 |
struct ieee80211req ireq;
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|
226 |
int s;
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| 229 |
227 |
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| 230 |
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if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
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| 231 |
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return -1;
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| 232 |
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if ((buf = malloc(len)) == NULL)
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| 233 |
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return -1;
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| 234 |
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if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
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| 235 |
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free(buf);
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|
228 |
s = socket(PF_ROUTE, SOCK_RAW, 0);
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|
229 |
if (s < 0) {
|
| 236 |
230 |
return -1;
|
| 237 |
231 |
}
|
| 238 |
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for (p = buf; p < buf + len; p += ifm->ifm_msglen) {
|
| 239 |
|
ifm = (struct if_msghdr *)p;
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| 240 |
|
sdl = (struct sockaddr_dl *)(ifm + 1);
|
| 241 |
|
if (ifm->ifm_type != RTM_IFINFO ||
|
| 242 |
|
(ifm->ifm_addrs & RTA_IFP) == 0)
|
| 243 |
|
continue;
|
| 244 |
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if (sdl->sdl_family != AF_LINK || sdl->sdl_nlen == 0 ||
|
| 245 |
|
memcmp(sdl->sdl_data, device, sdl->sdl_nlen) != 0)
|
| 246 |
|
continue;
|
| 247 |
|
memcpy(ea, LLADDR(sdl), sdl->sdl_alen);
|
| 248 |
|
break;
|
| 249 |
|
}
|
| 250 |
|
free(buf);
|
| 251 |
232 |
|
| 252 |
|
if (p >= buf + len) {
|
| 253 |
|
errno = ESRCH;
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|
233 |
memset(&ireq, 0, sizeof(ireq));
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|
234 |
strncpy(ireq.i_name, device, sizeof(ireq.i_name));
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|
235 |
ireq.i_type = IEEE80211_IOC_BSSID;
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|
236 |
ireq.i_data = (void *) ea;
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|
237 |
ireq.i_len = ETH_ALEN;
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|
238 |
if (ioctl(s, SIOCG80211, &ireq) < 0) {
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|
239 |
close(s);
|
| 254 |
240 |
return -1;
|
| 255 |
241 |
}
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|
242 |
|
|
243 |
close(s);
|
| 256 |
244 |
return 0;
|
| 257 |
245 |
}
|
| 258 |
246 |
|