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wpa_supplicant: Add an option to specify SSID in neighbor report requests

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Allow supplying an SSID for the SSID IE. If not supplied, no SSID IE is
sent, and the request implies the current SSID.

Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
This commit is contained in:
Assaf Krauss 2014-11-05 03:42:53 -05:00 committed by Jouni Malinen
parent fad14af93a
commit 4c4b230527
3 changed files with 32 additions and 14 deletions
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21
wpa_supplicant/ctrl_iface.c
View file

@ -6838,11 +6838,26 @@ static void wpas_ctrl_neighbor_rep_cb(void *ctx, struct wpabuf *neighbor_rep)
}
static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s)
static int wpas_ctrl_iface_send_neigbor_rep(struct wpa_supplicant *wpa_s,
char *cmd)
{
return wpas_rrm_send_neighbor_rep_request(wpa_s,
struct wpa_ssid ssid;
struct wpa_ssid *ssid_p = NULL;
int ret = 0;
if (os_strncmp(cmd, " ssid=", 6) == 0) {
ssid.ssid_len = os_strlen(cmd + 6);
if (ssid.ssid_len > 32)
return -1;
ssid.ssid = (u8 *) (cmd + 6);
ssid_p = &ssid;
}
ret = wpas_rrm_send_neighbor_rep_request(wpa_s, ssid_p,
wpas_ctrl_neighbor_rep_cb,
wpa_s);
return ret;
}
@ -7449,7 +7464,7 @@ char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
if (wpas_ctrl_vendor_elem_remove(wpa_s, buf + 19) < 0)
reply_len = -1;
} else if (os_strncmp(buf, "NEIGHBOR_REP_REQUEST", 20) == 0) {
if (wpas_ctrl_iface_send_neigbor_rep(wpa_s))
if (wpas_ctrl_iface_send_neigbor_rep(wpa_s, buf + 20))
reply_len = -1;
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);

18
wpa_supplicant/wpa_supplicant.c
View file

@ -4994,6 +4994,8 @@ void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
/**
* wpas_rrm_send_neighbor_rep_request - Request a neighbor report from our AP
* @wpa_s: Pointer to wpa_supplicant
* @ssid: if not null, this is sent in the request. Otherwise, no SSID IE
* is sent in the request.
* @cb: Callback function to be called once the requested report arrives, or
* timed out after RRM_NEIGHBOR_REPORT_TIMEOUT seconds.
* In the former case, 'neighbor_rep' is a newly allocated wpabuf, and it's
@ -5005,9 +5007,9 @@ void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
* In case there is a previous request which has not been answered yet, the
* new request fails. The caller may retry after RRM_NEIGHBOR_REPORT_TIMEOUT.
* Request must contain a callback function.
* The Neighbor Report Request sent to the AP will specify the current SSID.
*/
int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
const struct wpa_ssid *ssid,
void (*cb)(void *ctx,
struct wpabuf *neighbor_rep),
void *cb_ctx)
@ -5047,8 +5049,8 @@ int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
return -EBUSY;
}
/* 5 = action category + action code + dialog token + IE hdr */
buf = wpabuf_alloc(5 + wpa_s->current_ssid->ssid_len);
/* 3 = action category + action code + dialog token */
buf = wpabuf_alloc(3 + (ssid ? 2 + ssid->ssid_len : 0));
if (buf == NULL) {
wpa_printf(MSG_DEBUG,
"RRM: Failed to allocate Neighbor Report Request");
@ -5056,17 +5058,17 @@ int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
}
wpa_printf(MSG_DEBUG, "RRM: Neighbor report request (for %s), token=%d",
wpa_ssid_txt(wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid_len),
(ssid ? wpa_ssid_txt(ssid->ssid, ssid->ssid_len) : ""),
wpa_s->rrm.next_neighbor_rep_token);
wpabuf_put_u8(buf, WLAN_ACTION_RADIO_MEASUREMENT);
wpabuf_put_u8(buf, WLAN_RRM_NEIGHBOR_REPORT_REQUEST);
wpabuf_put_u8(buf, wpa_s->rrm.next_neighbor_rep_token);
if (ssid) {
wpabuf_put_u8(buf, WLAN_EID_SSID);
wpabuf_put_u8(buf, wpa_s->current_ssid->ssid_len);
wpabuf_put_data(buf, wpa_s->current_ssid->ssid,
wpa_s->current_ssid->ssid_len);
wpabuf_put_u8(buf, ssid->ssid_len);
wpabuf_put_data(buf, ssid->ssid, ssid->ssid_len);
}
wpa_s->rrm.next_neighbor_rep_token++;

1
wpa_supplicant/wpa_supplicant_i.h
View file

@ -1026,6 +1026,7 @@ void wpas_rrm_reset(struct wpa_supplicant *wpa_s);
void wpas_rrm_process_neighbor_rep(struct wpa_supplicant *wpa_s,
const u8 *report, size_t report_len);
int wpas_rrm_send_neighbor_rep_request(struct wpa_supplicant *wpa_s,
const struct wpa_ssid *ssid,
void (*cb)(void *ctx,
struct wpabuf *neighbor_rep),
void *cb_ctx);