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WPS: Preparations for allowing SSID filtering for provisioning step

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If the SSID of the WPS AP is known, it should be possible to limit AP
selection based on this when searching for an active WPS AP. This commit
adds a mechanism to specify SSID for this type of uses.

Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2013-04-02 18:29:23 +03:00 committed by Jouni Malinen
parent 5f4545573f
commit 57630e658b
3 changed files with 19 additions and 7 deletions
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2
wpa_supplicant/ctrl_iface.c
View file

@ -813,7 +813,7 @@ static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
else if (hwaddr_aton(cmd, bssid))
return -1;
return wpas_wps_start_nfc(wpa_s, _bssid, NULL, 0, 0, NULL);
return wpas_wps_start_nfc(wpa_s, _bssid, NULL, 0, 0, NULL, NULL, 0);
}

21
wpa_supplicant/wps_supplicant.c
View file

@ -1074,7 +1074,8 @@ int wpas_wps_start_pbc(struct wpa_supplicant *wpa_s, const u8 *bssid,
static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin, int p2p_group, u16 dev_pw_id,
const u8 *peer_pubkey_hash)
const u8 *peer_pubkey_hash,
const u8 *ssid_val, size_t ssid_len)
{
struct wpa_ssid *ssid;
char val[128 + 2 * WPS_OOB_PUBKEY_HASH_LEN];
@ -1083,10 +1084,19 @@ static int wpas_wps_start_dev_pw(struct wpa_supplicant *wpa_s, const u8 *bssid,
wpas_clear_wps(wpa_s);
ssid = wpas_wps_add_network(wpa_s, 0, bssid);
if (ssid == NULL)
if (ssid == NULL) {
wpa_printf(MSG_DEBUG, "WPS: Could not add network");
return -1;
}
ssid->temporary = 1;
ssid->p2p_group = p2p_group;
if (ssid_val) {
ssid->ssid = os_malloc(ssid_len);
if (ssid->ssid) {
os_memcpy(ssid->ssid, ssid_val, ssid_len);
ssid->ssid_len = ssid_len;
}
}
if (peer_pubkey_hash) {
os_memcpy(hash, " pkhash=", 8);
wpa_snprintf_hex_uppercase(hash + 8, sizeof(hash) - 8,
@ -1131,7 +1141,7 @@ int wpas_wps_start_pin(struct wpa_supplicant *wpa_s, const u8 *bssid,
const char *pin, int p2p_group, u16 dev_pw_id)
{
return wpas_wps_start_dev_pw(wpa_s, bssid, pin, p2p_group, dev_pw_id,
NULL);
NULL, NULL, 0);
}
@ -2090,7 +2100,8 @@ struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef)
int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid,
const struct wpabuf *dev_pw, u16 dev_pw_id,
int p2p_group, const u8 *peer_pubkey_hash)
int p2p_group, const u8 *peer_pubkey_hash,
const u8 *ssid, size_t ssid_len)
{
struct wps_context *wps = wpa_s->wps;
char pw[32 * 2 + 1];
@ -2130,7 +2141,7 @@ int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid,
wpa_snprintf_hex_uppercase(pw, sizeof(pw),
wpabuf_head(dev_pw), wpabuf_len(dev_pw));
return wpas_wps_start_dev_pw(wpa_s, bssid, pw, p2p_group, dev_pw_id,
peer_pubkey_hash);
peer_pubkey_hash, ssid, ssid_len);
}

3
wpa_supplicant/wps_supplicant.h
View file

@ -66,7 +66,8 @@ struct wpabuf * wpas_wps_nfc_config_token(struct wpa_supplicant *wpa_s,
struct wpabuf * wpas_wps_nfc_token(struct wpa_supplicant *wpa_s, int ndef);
int wpas_wps_start_nfc(struct wpa_supplicant *wpa_s, const u8 *bssid,
const struct wpabuf *dev_pw, u16 dev_pw_id,
int p2p_group, const u8 *peer_pubkey_hash);
int p2p_group, const u8 *peer_pubkey_hash,
const u8 *ssid, size_t ssid_len);
int wpas_wps_nfc_tag_read(struct wpa_supplicant *wpa_s,
const struct wpabuf *data);
struct wpabuf * wpas_wps_nfc_handover_req(struct wpa_supplicant *wpa_s, int cr);