WPS: Preparations for allowing SSID filtering for provisioning step

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>

diff --git a/wpa_supplicant/ctrl_iface.c b/wpa_supplicant/ctrl_iface.c
index 277e32131174cf10ce7b4f584de8057faebaf4ac..abfe205a221eadcbde40775fcc5638673588808e 100644 (file)
--- a/wpa_supplicant/ctrl_iface.c
+++ b/wpa_supplicant/ctrl_iface.c
@@ -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);
 }
 
 

diff --git a/wpa_supplicant/wps_supplicant.c b/wpa_supplicant/wps_supplicant.c
index c32457b4d7e70a9fc6059640b3da17431a991dcb..80126b53d4d7a05fdada1f9bea4d89db658d0ae8 100644 (file)
--- a/wpa_supplicant/wps_supplicant.c
+++ b/wpa_supplicant/wps_supplicant.c
@@ -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);
 }
 
 

diff --git a/wpa_supplicant/wps_supplicant.h b/wpa_supplicant/wps_supplicant.h
index 93cadda63fc2b133ee919548fba08ce26f0bc734..ba28d9910bfad617f074a65f54e2bd3794aead39 100644 (file)
--- a/wpa_supplicant/wps_supplicant.h
+++ b/wpa_supplicant/wps_supplicant.h
@@ -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);