hostapd: add support for sending 802.11v disassoc imminent notifications to clients via ubus

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2018-02-11 17:02:28 +01:00
parent 01b2c0fc49
commit 981cca12b6

View file

@ -19,6 +19,7 @@
#include "ap_drv_ops.h"
#include "beacon.h"
#include "rrm.h"
#include "wnm_ap.h"
static struct ubus_context *ctx;
static struct blob_buf b;
@ -808,6 +809,99 @@ hostapd_rrm_beacon_req(struct ubus_context *ctx, struct ubus_object *obj,
}
#ifdef CONFIG_WNM_AP
enum {
WNM_DISASSOC_ADDR,
WNM_DISASSOC_DURATION,
WNM_DISASSOC_NEIGHBORS,
__WNM_DISASSOC_MAX,
};
static const struct blobmsg_policy wnm_disassoc_policy[__WNM_DISASSOC_MAX] = {
[WNM_DISASSOC_ADDR] = { "addr", BLOBMSG_TYPE_STRING },
[WNM_DISASSOC_DURATION] { "duration", BLOBMSG_TYPE_INT32 },
[WNM_DISASSOC_NEIGHBORS] { "neighbors", BLOBMSG_TYPE_ARRAY },
};
static int
hostapd_wnm_disassoc_imminent(struct ubus_context *ctx, struct ubus_object *obj,
struct ubus_request_data *ureq, const char *method,
struct blob_attr *msg)
{
struct hostapd_data *hapd = container_of(obj, struct hostapd_data, ubus.obj);
struct blob_attr *tb[__WNM_DISASSOC_MAX];
struct blob_attr *cur;
struct sta_info *sta;
int duration = 10;
int rem;
int nr_len = 0;
u8 *nr = NULL;
u8 req_mode = WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
u8 addr[ETH_ALEN];
blobmsg_parse(wnm_disassoc_policy, __WNM_DISASSOC_MAX, tb, blob_data(msg), blob_len(msg));
if (!tb[WNM_DISASSOC_ADDR])
return UBUS_STATUS_INVALID_ARGUMENT;
if (hwaddr_aton(blobmsg_data(tb[WNM_DISASSOC_ADDR]), addr))
return UBUS_STATUS_INVALID_ARGUMENT;
if ((cur = tb[WNM_DISASSOC_DURATION]) != NULL)
duration = blobmsg_get_u32(cur);
sta = ap_get_sta(hapd, addr);
if (!sta)
return UBUS_STATUS_NOT_FOUND;
if (tb[WNM_DISASSOC_NEIGHBORS]) {
u8 *nr_cur;
if (blobmsg_check_array(tb[WNM_DISASSOC_NEIGHBORS],
BLOBMSG_TYPE_STRING) < 0)
return UBUS_STATUS_INVALID_ARGUMENT;
blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
int len = strlen(blobmsg_get_string(cur));
if (len % 2)
return UBUS_STATUS_INVALID_ARGUMENT;
nr_len += (len / 2) + 2;
}
if (nr_len) {
nr = os_zalloc(nr_len);
if (!nr)
return UBUS_STATUS_UNKNOWN_ERROR;
}
nr_cur = nr;
blobmsg_for_each_attr(cur, tb[WNM_DISASSOC_NEIGHBORS], rem) {
int len = strlen(blobmsg_get_string(cur)) / 2;
*nr_cur++ = WLAN_EID_NEIGHBOR_REPORT;
*nr_cur++ = (u8) len;
if (hexstr2bin(blobmsg_data(cur), nr_cur, len)) {
free(nr);
return UBUS_STATUS_INVALID_ARGUMENT;
}
nr_cur += len;
}
}
if (nr)
req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
if (wnm_send_bss_tm_req(hapd, sta, req_mode, duration, 0, NULL,
NULL, nr, nr_len, NULL, 0))
return UBUS_STATUS_UNKNOWN_ERROR;
return 0;
}
#endif
static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("get_clients", hostapd_bss_get_clients),
UBUS_METHOD("del_client", hostapd_bss_del_client, del_policy),
@ -825,6 +919,9 @@ static const struct ubus_method bss_methods[] = {
UBUS_METHOD_NOARG("rrm_nr_list", hostapd_rrm_nr_list),
UBUS_METHOD("rrm_nr_set", hostapd_rrm_nr_set, nr_set_policy),
UBUS_METHOD("rrm_beacon_req", hostapd_rrm_beacon_req, beacon_req_policy),
#ifdef CONFIG_WNM_AP
UBUS_METHOD("wnm_disassoc_imminent", hostapd_wnm_disassoc_imminent, wnm_disassoc_policy),
#endif
};
static struct ubus_object_type bss_object_type =