+
+ if (local.sun_family)
+ unlink(local.sun_path);
+
+ return rv;
+}
+
+static inline int nl80211_readint(const char *path)
+{
+ int fd;
+ int rv = -1;
+ char buffer[16];
+
+ if ((fd = open(path, O_RDONLY)) > -1)
+ {
+ if (read(fd, buffer, sizeof(buffer)) > 0)
+ rv = atoi(buffer);
+
+ close(fd);
+ }
+
+ return rv;
+}
+
+static char * nl80211_phy2ifname(const char *ifname)
+{
+ int fd, ifidx = -1, cifidx = -1, phyidx = -1;
+ char buffer[64];
+ static char nif[IFNAMSIZ] = { 0 };
+
+ DIR *d;
+ struct dirent *e;
+
+ if (!ifname)
+ return NULL;
+ else if (!strncmp(ifname, "phy", 3))
+ phyidx = atoi(&ifname[3]);
+ else if (!strncmp(ifname, "radio", 5))
+ phyidx = atoi(&ifname[5]);
+
+ memset(nif, 0, sizeof(nif));
+
+ if (phyidx > -1)
+ {
+ if ((d = opendir("/sys/class/net")) != NULL)
+ {
+ while( (e = readdir(d)) != NULL )
+ {
+ snprintf(buffer, sizeof(buffer),
+ "/sys/class/net/%s/phy80211/index", e->d_name);
+
+ if (nl80211_readint(buffer) == phyidx)
+ {
+ snprintf(buffer, sizeof(buffer),
+ "/sys/class/net/%s/ifindex", e->d_name);
+
+ if( (cifidx = nl80211_readint(buffer)) >= 0 &&
+ ((ifidx < 0) || (cifidx < ifidx)) )
+ {
+ ifidx = cifidx;
+ strncpy(nif, e->d_name, sizeof(nif));
+ }
+ }
+ }
+
+ closedir(d);
+ }
+ }
+
+ return nif[0] ? nif : NULL;
+}
+
+static char * nl80211_ifadd(const char *ifname)
+{
+ int phyidx;
+ char *rv = NULL;
+ static char nif[IFNAMSIZ] = { 0 };
+ struct nl80211_msg_conveyor *req, *res;
+
+ req = nl80211_msg(ifname, NL80211_CMD_NEW_INTERFACE, 0);
+ if (req)
+ {
+ snprintf(nif, sizeof(nif), "tmp.%s", ifname);
+
+ NLA_PUT_STRING(req->msg, NL80211_ATTR_IFNAME, nif);
+ NLA_PUT_U32(req->msg, NL80211_ATTR_IFTYPE, NL80211_IFTYPE_STATION);
+
+ nl80211_send(req, NULL, NULL);
+
+ rv = nif;
+
+ nla_put_failure:
+ nl80211_free(req);
+ }