diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c index 2646270fc..3c682efcc 100644 --- a/src/drivers/driver_nl80211.c +++ b/src/drivers/driver_nl80211.c @@ -1495,38 +1495,42 @@ static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx) static int wpa_driver_nl80211_scan(void *priv, const u8 *ssid, size_t ssid_len) { struct wpa_driver_nl80211_data *drv = priv; - struct iwreq iwr; int ret = 0, timeout; - struct iw_scan_req req; + struct nl_msg *msg, *ssids; - if (ssid_len > IW_ESSID_MAX_SIZE) { - wpa_printf(MSG_DEBUG, "%s: too long SSID (%lu)", - __FUNCTION__, (unsigned long) ssid_len); + msg = nlmsg_alloc(); + ssids = nlmsg_alloc(); + if (!msg || !ssids) { + nlmsg_free(msg); + nlmsg_free(ssids); return -1; } - os_memset(&iwr, 0, sizeof(iwr)); - os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ); + genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0, + NL80211_CMD_TRIGGER_SCAN, 0); + + NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex); if (ssid && ssid_len) { - os_memset(&req, 0, sizeof(req)); - req.essid_len = ssid_len; - req.bssid.sa_family = ARPHRD_ETHER; - os_memset(req.bssid.sa_data, 0xff, ETH_ALEN); - os_memcpy(req.essid, ssid, ssid_len); - iwr.u.data.pointer = (caddr_t) &req; - iwr.u.data.length = sizeof(req); - iwr.u.data.flags = IW_SCAN_THIS_ESSID; + /* Request an active scan for a specific SSID */ + NLA_PUT(ssids, 1, ssid_len, ssid); + } else { + /* Request an active scan for wildcard SSID */ + NLA_PUT(ssids, 1, 0, ""); } + nla_put_nested(msg, NL80211_ATTR_SCAN_SSIDS, ssids); - if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) { - perror("ioctl[SIOCSIWSCAN]"); - ret = -1; + ret = send_and_recv_msgs(drv, msg, NULL, NULL); + msg = NULL; + if (ret) { + wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d " + "(%s)", ret, strerror(-ret)); + goto nla_put_failure; } /* Not all drivers generate "scan completed" wireless event, so try to * read results after a timeout. */ - timeout = 5; + timeout = 10; if (drv->scan_complete_events) { /* * The driver seems to deliver SIOCGIWSCAN events to notify @@ -1538,9 +1542,12 @@ static int wpa_driver_nl80211_scan(void *priv, const u8 *ssid, size_t ssid_len) wpa_printf(MSG_DEBUG, "Scan requested (ret=%d) - scan timeout %d " "seconds", ret, timeout); eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx); - eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, drv, - drv->ctx); + eloop_register_timeout(timeout, 0, wpa_driver_nl80211_scan_timeout, + drv, drv->ctx); +nla_put_failure: + nlmsg_free(ssids); + nlmsg_free(msg); return ret; }