Revert "[wpa_supplicant] Cumulative patch from b8491ae5a"

This reverts commit 878cf7bcbf2d7d8f08c3d060b8c5fbfcf0743eda.

Reason for revert: git_master/sdk_phone_armv7-sdk

Change-Id: I6070fc5c1f9c20867f6dfce90e529e35578d572e
diff --git a/src/rsn_supp/wpa.c b/src/rsn_supp/wpa.c
index c6d0298..66a8643 100644
--- a/src/rsn_supp/wpa.c
+++ b/src/rsn_supp/wpa.c
@@ -305,9 +305,6 @@
 #endif /* CONFIG_IEEE80211R */
 	} else if (wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt) && sm->eapol) {
 		int res, pmk_len;
-#ifdef CONFIG_IEEE80211R
-		u8 buf[2 * PMK_LEN];
-#endif /* CONFIG_IEEE80211R */
 
 		if (wpa_key_mgmt_sha384(sm->key_mgmt))
 			pmk_len = PMK_LEN_SUITE_B_192;
@@ -323,42 +320,24 @@
 				res = eapol_sm_get_key(sm->eapol, sm->pmk, 16);
 				pmk_len = 16;
 			}
-		}
+		} else {
 #ifdef CONFIG_IEEE80211R
-		if (res == 0 &&
-		    eapol_sm_get_key(sm->eapol, buf, 2 * PMK_LEN) == 0) {
-			if (wpa_key_mgmt_sha384(sm->key_mgmt)) {
-				os_memcpy(sm->xxkey, buf, SHA384_MAC_LEN);
-				sm->xxkey_len = SHA384_MAC_LEN;
-			} else {
-				os_memcpy(sm->xxkey, buf + PMK_LEN, PMK_LEN);
-				sm->xxkey_len = PMK_LEN;
+			u8 buf[2 * PMK_LEN];
+			if (eapol_sm_get_key(sm->eapol, buf, 2 * PMK_LEN) == 0)
+			{
+				if (wpa_key_mgmt_sha384(sm->key_mgmt)) {
+					os_memcpy(sm->xxkey, buf,
+						  SHA384_MAC_LEN);
+					sm->xxkey_len = SHA384_MAC_LEN;
+				} else {
+					os_memcpy(sm->xxkey, buf + PMK_LEN,
+						  PMK_LEN);
+					sm->xxkey_len = PMK_LEN;
+				}
+				os_memset(buf, 0, sizeof(buf));
 			}
-			forced_memzero(buf, sizeof(buf));
-			if (sm->proto == WPA_PROTO_RSN &&
-			    wpa_key_mgmt_ft(sm->key_mgmt)) {
-				struct rsn_pmksa_cache_entry *sa = NULL;
-				const u8 *fils_cache_id = NULL;
-
-#ifdef CONFIG_FILS
-				if (sm->fils_cache_id_set)
-					fils_cache_id = sm->fils_cache_id;
-#endif /* CONFIG_FILS */
-				wpa_hexdump_key(MSG_DEBUG,
-						"FT: Cache XXKey/MPMK",
-						sm->xxkey, sm->xxkey_len);
-				sa = pmksa_cache_add(sm->pmksa,
-						     sm->xxkey, sm->xxkey_len,
-						     NULL, NULL, 0,
-						     src_addr, sm->own_addr,
-						     sm->network_ctx,
-						     sm->key_mgmt,
-						     fils_cache_id);
-				if (!sm->cur_pmksa)
-					sm->cur_pmksa = sa;
-			}
-		}
 #endif /* CONFIG_IEEE80211R */
+		}
 		if (res == 0) {
 			struct rsn_pmksa_cache_entry *sa = NULL;
 			const u8 *fils_cache_id = NULL;
@@ -405,11 +384,6 @@
 
 			if (!sm->cur_pmksa)
 				sm->cur_pmksa = sa;
-#ifdef CONFIG_IEEE80211R
-		} else if (wpa_key_mgmt_ft(sm->key_mgmt) && sm->ft_protocol) {
-			wpa_printf(MSG_DEBUG,
-				   "FT: Continue 4-way handshake without PMK/PMKID for association using FT protocol");
-#endif /* CONFIG_IEEE80211R */
 		} else {
 			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 				"WPA: Failed to get master session key from "
@@ -649,7 +623,7 @@
 		os_memcpy(buf, &ptk->tk[16], 8);
 		os_memcpy(&ptk->tk[16], &ptk->tk[24], 8);
 		os_memcpy(&ptk->tk[24], buf, 8);
-		forced_memzero(buf, sizeof(buf));
+		os_memset(buf, 0, sizeof(buf));
 	}
 	sm->tptk_set = 1;
 
@@ -923,7 +897,7 @@
 			wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
 				"WPA: Failed to set GTK to the driver "
 				"(Group only)");
-			forced_memzero(gtk_buf, sizeof(gtk_buf));
+			os_memset(gtk_buf, 0, sizeof(gtk_buf));
 			return -1;
 		}
 	} else if (wpa_sm_set_key(sm, gd->alg, broadcast_ether_addr,
@@ -933,10 +907,10 @@
 			"WPA: Failed to set GTK to "
 			"the driver (alg=%d keylen=%d keyidx=%d)",
 			gd->alg, gd->gtk_len, gd->keyidx);
-		forced_memzero(gtk_buf, sizeof(gtk_buf));
+		os_memset(gtk_buf, 0, sizeof(gtk_buf));
 		return -1;
 	}
-	forced_memzero(gtk_buf, sizeof(gtk_buf));
+	os_memset(gtk_buf, 0, sizeof(gtk_buf));
 
 	if (wnm_sleep) {
 		sm->gtk_wnm_sleep.gtk_len = gd->gtk_len;
@@ -1042,10 +1016,10 @@
 	     wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0))) {
 		wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
 			"RSN: Failed to install GTK");
-		forced_memzero(&gd, sizeof(gd));
+		os_memset(&gd, 0, sizeof(gd));
 		return -1;
 	}
-	forced_memzero(&gd, sizeof(gd));
+	os_memset(&gd, 0, sizeof(gd));
 
 	return 0;
 }
@@ -1714,12 +1688,12 @@
 		os_memcpy(ek + 16, sm->ptk.kek, sm->ptk.kek_len);
 		os_memcpy(gd->gtk, key_data, key_data_len);
 		if (rc4_skip(ek, 32, 256, gd->gtk, key_data_len)) {
-			forced_memzero(ek, sizeof(ek));
+			os_memset(ek, 0, sizeof(ek));
 			wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
 				"WPA: RC4 failed");
 			return -1;
 		}
-		forced_memzero(ek, sizeof(ek));
+		os_memset(ek, 0, sizeof(ek));
 #endif /* CONFIG_NO_RC4 */
 	} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
 		if (maxkeylen % 8) {
@@ -1868,7 +1842,7 @@
 	if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 0) ||
 	    wpa_supplicant_send_2_of_2(sm, key, ver, key_info) < 0)
 		goto failed;
-	forced_memzero(&gd, sizeof(gd));
+	os_memset(&gd, 0, sizeof(gd));
 
 	if (rekey) {
 		wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Group rekeying "
@@ -1887,7 +1861,7 @@
 	return;
 
 failed:
-	forced_memzero(&gd, sizeof(gd));
+	os_memset(&gd, 0, sizeof(gd));
 	wpa_sm_deauthenticate(sm, WLAN_REASON_UNSPECIFIED);
 }
 
@@ -2001,12 +1975,12 @@
 		os_memcpy(ek, key->key_iv, 16);
 		os_memcpy(ek + 16, sm->ptk.kek, sm->ptk.kek_len);
 		if (rc4_skip(ek, 32, 256, key_data, *key_data_len)) {
-			forced_memzero(ek, sizeof(ek));
+			os_memset(ek, 0, sizeof(ek));
 			wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
 				"WPA: RC4 failed");
 			return -1;
 		}
-		forced_memzero(ek, sizeof(ek));
+		os_memset(ek, 0, sizeof(ek));
 #endif /* CONFIG_NO_RC4 */
 	} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES ||
 		   ver == WPA_KEY_INFO_TYPE_AES_128_CMAC ||
@@ -2740,9 +2714,6 @@
 		wpa_ft_prepare_auth_request(sm, NULL);
 
 		clear_keys = 0;
-		sm->ft_protocol = 1;
-	} else {
-		sm->ft_protocol = 0;
 	}
 #endif /* CONFIG_IEEE80211R */
 #ifdef CONFIG_FILS
@@ -2807,7 +2778,6 @@
 #endif /* CONFIG_FILS */
 #ifdef CONFIG_IEEE80211R
 	sm->ft_reassoc_completed = 0;
-	sm->ft_protocol = 0;
 #endif /* CONFIG_IEEE80211R */
 
 	/* Keys are not needed in the WPA state machine anymore */
@@ -3446,12 +3416,12 @@
 		wpa_hexdump_key(MSG_DEBUG, "Install GTK (WNM SLEEP)",
 				gd.gtk, gd.gtk_len);
 		if (wpa_supplicant_install_gtk(sm, &gd, key_rsc, 1)) {
-			forced_memzero(&gd, sizeof(gd));
+			os_memset(&gd, 0, sizeof(gd));
 			wpa_printf(MSG_DEBUG, "Failed to install the GTK in "
 				   "WNM mode");
 			return -1;
 		}
-		forced_memzero(&gd, sizeof(gd));
+		os_memset(&gd, 0, sizeof(gd));
 #ifdef CONFIG_IEEE80211W
 	} else if (subelem_id == WNM_SLEEP_SUBELEM_IGTK) {
 		const struct wpa_igtk_kde *igtk;
@@ -3881,7 +3851,7 @@
 				       dh_ss ? wpabuf_head(dh_ss) : NULL,
 				       dh_ss ? wpabuf_len(dh_ss) : 0,
 				       sm->pmk, &sm->pmk_len);
-		forced_memzero(rmsk, sizeof(rmsk));
+		os_memset(rmsk, 0, sizeof(rmsk));
 
 		/* Don't use DHss in PTK derivation if PMKSA caching is not
 		 * used. */
@@ -3956,7 +3926,7 @@
 			       sm->fils_key_auth_ap,
 			       &sm->fils_key_auth_len);
 	wpabuf_free(pub);
-	forced_memzero(ick, sizeof(ick));
+	os_memset(ick, 0, sizeof(ick));
 	return res;
 fail:
 	wpabuf_free(pub);
@@ -4320,26 +4290,6 @@
 			    sm->fils_session, FILS_SESSION_LEN);
 	}
 
-	if (!elems.rsn_ie) {
-		wpa_printf(MSG_DEBUG,
-			   "FILS: No RSNE in (Re)Association Response");
-		/* As an interop workaround, allow this for now since IEEE Std
-		 * 802.11ai-2016 did not include all the needed changes to make
-		 * a FILS AP include RSNE in the frame. This workaround might
-		 * eventually be removed and replaced with rejection (goto fail)
-		 * to follow a strict interpretation of the standard. */
-	} else if (wpa_compare_rsn_ie(wpa_key_mgmt_ft(sm->key_mgmt),
-				      sm->ap_rsn_ie, sm->ap_rsn_ie_len,
-				      elems.rsn_ie - 2, elems.rsn_ie_len + 2)) {
-		wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
-			"FILS: RSNE mismatch between Beacon/Probe Response and (Re)Association Response");
-		wpa_hexdump(MSG_DEBUG, "FILS: RSNE in Beacon/Probe Response",
-			    sm->ap_rsn_ie, sm->ap_rsn_ie_len);
-		wpa_hexdump(MSG_DEBUG, "FILS: RSNE in (Re)Association Response",
-			    elems.rsn_ie, elems.rsn_ie_len);
-		goto fail;
-	}
-
 	/* TODO: FILS Public Key */
 
 	if (!elems.fils_key_confirm) {
@@ -4480,11 +4430,9 @@
 
 	wpa_printf(MSG_DEBUG, "FILS: Auth+Assoc completed successfully");
 	sm->fils_completed = 1;
-	forced_memzero(&gd, sizeof(gd));
 
 	return 0;
 fail:
-	forced_memzero(&gd, sizeof(gd));
 	return -1;
 }
 
@@ -4696,7 +4644,7 @@
 	else if (group == 21)
 		res = hmac_sha512_kdf(prk, hash_len, NULL, (const u8 *) info,
 				      os_strlen(info), sm->pmk, hash_len);
-	forced_memzero(prk, SHA512_MAC_LEN);
+	os_memset(prk, 0, SHA512_MAC_LEN);
 	if (res < 0) {
 		sm->pmk_len = 0;
 		return -1;