Cumulative patch from commit d3b204694a39e6c57a4c6689b87f4192e1b93a06

d3b2046 P2P: Make the default p2p_find delay value configurable
3dacd3e atheros: Add support for new GCMP/CCMP/CMAC/GMAC cipher suites
737754d EAP-IKEv2: Remove obsolete ccns.pl project workarounds
aa6bf6d eap_proxy: Check sm != NULL more consistently
4f4d51e TDLS: Add extra validation step for responder RSN IE length
a01acc5 Check for EVENT_ASSOC data to be present for AP mode operation
1fde15a GAS server: Explicitly check that home realm is available
aff0bee GAS server: Remove unused function parameter
86388af WPS: Check for theoretical gmtime() failure
d75a5ae WPS ER: Fix UDN parser to handle missing field
0bbaa9b Validate driver extended capabilities length against buffer length
9c6c558 Interworking: Reject EAP configuration with unsupported inner method
f2ca0e9 Check eap_get_name() return against NULL to silence static analyzer
bc32bb7 Make a code path easier for static analyzers to understand
fb958ea Check current_ssid on unexpected association event
2a57c33 Reserve QCA vendor specific nl80211 commands 20..33
84df167 nl80211: Add vendor attribute for interface index
9949483 The master branch is now used for v2.3 development

Change-Id: Ib39c204aaa3ebcc909057f815e5e291e15e5df88
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/wpa_supplicant/Android.mk b/wpa_supplicant/Android.mk
index eaf9705..43c3eed 100644
--- a/wpa_supplicant/Android.mk
+++ b/wpa_supplicant/Android.mk
@@ -38,10 +38,6 @@
 L_CFLAGS += -DCONFIG_NO_ROAMING
 endif
 
-ifeq ($(BOARD_WLAN_DEVICE), bcmdhd)
-L_CFLAGS += -DP2P_CONCURRENT_SEARCH_DELAY=0
-endif
-
 # Use Android specific directory for control interface sockets
 L_CFLAGS += -DCONFIG_CTRL_IFACE_CLIENT_DIR=\"/data/misc/wifi/sockets\"
 L_CFLAGS += -DCONFIG_CTRL_IFACE_DIR=\"/data/system/wpa_supplicant\"
diff --git a/wpa_supplicant/README-P2P b/wpa_supplicant/README-P2P
index bfad501..5c1e4f9 100644
--- a/wpa_supplicant/README-P2P
+++ b/wpa_supplicant/README-P2P
@@ -554,6 +554,13 @@
 
 Set country code (this is included in some P2P messages).
 
+set p2p_search_delay <delay>
+
+Set p2p_search_delay which adds extra delay in milliseconds between
+concurrent search iterations to make p2p_find friendlier to concurrent
+operations by avoiding it from taking 100% of radio resources. The
+default value is 500 ms.
+
 Status
 
 p2p_peers [discovered]
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index e60bc05..278ec9b 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -3266,6 +3266,7 @@
 	config->wmm_ac_params[1] = ac_bk;
 	config->wmm_ac_params[2] = ac_vi;
 	config->wmm_ac_params[3] = ac_vo;
+	config->p2p_search_delay = DEFAULT_P2P_SEARCH_DELAY;
 
 	if (ctrl_interface)
 		config->ctrl_interface = os_strdup(ctrl_interface);
@@ -3884,6 +3885,7 @@
 	{ INT(tdls_external_control), 0},
 	{ STR(osu_dir), 0 },
 	{ STR(wowlan_triggers), 0 },
+	{ INT(p2p_search_delay), 0},
 };
 
 #undef FUNC
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index bf3f3f7..9b7e21d 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -25,6 +25,7 @@
 #define DEFAULT_MAX_NUM_STA 128
 #define DEFAULT_ACCESS_NETWORK_TYPE 15
 #define DEFAULT_SCAN_CUR_FREQ 0
+#define DEFAULT_P2P_SEARCH_DELAY 500
 
 #include "config_ssid.h"
 #include "wps/wps.h"
@@ -1029,6 +1030,16 @@
 	 * If set, these wowlan triggers will be configured.
 	 */
 	char *wowlan_triggers;
+
+	/**
+	 * p2p_search_delay - Extra delay between concurrent search iterations
+	 *
+	 * Add extra delay (in milliseconds) between search iterations when
+	 * there is a concurrent operation to make p2p_find friendlier to
+	 * concurrent operations by avoiding it from taking 100% of radio
+	 * resources.
+	 */
+	unsigned int p2p_search_delay;
 };
 
 
diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 4dc4d12..d09b942 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -790,7 +790,8 @@
 		const char *name;
 		name = eap_get_name(cred->eap_method[0].vendor,
 				    cred->eap_method[0].method);
-		fprintf(f, "\teap=%s\n", name);
+		if (name)
+			fprintf(f, "\teap=%s\n", name);
 	}
 	if (cred->phase1)
 		fprintf(f, "\tphase1=\"%s\"\n", cred->phase1);
@@ -1164,6 +1165,10 @@
 
 	if (config->bgscan)
 		fprintf(f, "bgscan=\"%s\"\n", config->bgscan);
+
+	if (config->p2p_search_delay != DEFAULT_P2P_SEARCH_DELAY)
+		fprintf(f, "p2p_search_delay=%u\n",
+			config->p2p_search_delay);
 }
 
 #endif /* CONFIG_NO_CONFIG_WRITE */
diff --git a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
index 20cbeed..8be8288 100644
--- a/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
+++ b/wpa_supplicant/dbus/dbus_new_handlers_p2p.c
@@ -834,6 +834,11 @@
 	    !dbus_message_iter_close_container(iter, &variant_iter))
 		goto err_no_mem;
 
+	/* P2P Search Delay */
+	if (!wpa_dbus_dict_append_uint32(&dict_iter, "p2p_search_delay",
+					 wpa_s->conf->p2p_search_delay))
+		goto err_no_mem;
+
 	return TRUE;
 
 err_no_mem:
@@ -982,6 +987,9 @@
 		else if (os_strcmp(entry.key, "NoGroupIface") == 0 &&
 			 entry.type == DBUS_TYPE_BOOLEAN)
 			wpa_s->conf->p2p_no_group_iface = entry.bool_value;
+		else if (os_strcmp(entry.key, "p2p_search_delay") == 0 &&
+			 entry.type == DBUS_TYPE_UINT32)
+			wpa_s->conf->p2p_search_delay = entry.uint32_value;
 		else
 			goto error;
 
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 0b9077b..f511e1a 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -1872,6 +1872,8 @@
 
 #ifdef CONFIG_AP
 	if (wpa_s->ap_iface) {
+		if (!data)
+			return;
 		hostapd_notif_assoc(wpa_s->ap_iface->bss[0],
 				    data->assoc_info.addr,
 				    data->assoc_info.req_ies,
@@ -1960,7 +1962,8 @@
 	    wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE ||
 	    (wpa_s->current_ssid &&
 	     wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) {
-		if (wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
+		if (wpa_s->current_ssid &&
+		    wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE &&
 		    (wpa_s->drv_flags &
 		     WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE)) {
 			/*
diff --git a/wpa_supplicant/interworking.c b/wpa_supplicant/interworking.c
index 6d1539c..bbee951 100644
--- a/wpa_supplicant/interworking.c
+++ b/wpa_supplicant/interworking.c
@@ -1515,6 +1515,7 @@
 	u16 count, i;
 	char buf[100];
 	int excluded = 0, *excl = allow_excluded ? &excluded : NULL;
+	const char *name;
 
 	if (wpa_s->conf->cred == NULL || bss == NULL)
 		return -1;
@@ -1728,11 +1729,12 @@
 		if (wpa_config_set(ssid, "pac_file",
 				   "\"blob://pac_interworking\"", 0) < 0)
 			goto fail;
-		os_snprintf(buf, sizeof(buf), "\"auth=%s\"",
-			    eap_get_name(EAP_VENDOR_IETF,
-					 eap->inner_method ?
-					 eap->inner_method :
-					 EAP_TYPE_MSCHAPV2));
+		name = eap_get_name(EAP_VENDOR_IETF,
+				    eap->inner_method ? eap->inner_method :
+				    EAP_TYPE_MSCHAPV2);
+		if (name == NULL)
+			goto fail;
+		os_snprintf(buf, sizeof(buf), "\"auth=%s\"", name);
 		if (wpa_config_set(ssid, "phase2", buf, 0) < 0)
 			goto fail;
 		break;
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 393f13b..50ee1e0 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -82,10 +82,6 @@
 #define P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE 15
 #endif /* P2P_MAX_INITIAL_CONN_WAIT_GO_REINVOKE */
 
-#ifndef P2P_CONCURRENT_SEARCH_DELAY
-#define P2P_CONCURRENT_SEARCH_DELAY 500
-#endif /* P2P_CONCURRENT_SEARCH_DELAY */
-
 #define P2P_MGMT_DEVICE_PREFIX		"p2p-dev-"
 
 enum p2p_group_removal_reason {
@@ -6764,8 +6760,8 @@
 	if (wpa_s->wpa_state > WPA_SCANNING) {
 		wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search delay due to "
 			"concurrent operation",
-			P2P_CONCURRENT_SEARCH_DELAY);
-		return P2P_CONCURRENT_SEARCH_DELAY;
+			wpa_s->conf->p2p_search_delay);
+		return wpa_s->conf->p2p_search_delay;
 	}
 
 	dl_list_for_each(ifs, &wpa_s->radio->ifaces, struct wpa_supplicant,
@@ -6774,8 +6770,9 @@
 			wpa_dbg(wpa_s, MSG_DEBUG, "P2P: Use %u ms search "
 				"delay due to concurrent operation on "
 				"interface %s",
-				P2P_CONCURRENT_SEARCH_DELAY, ifs->ifname);
-			return P2P_CONCURRENT_SEARCH_DELAY;
+				wpa_s->conf->p2p_search_delay,
+				ifs->ifname);
+			return wpa_s->conf->p2p_search_delay;
 		}
 	}
 
diff --git a/wpa_supplicant/sme.c b/wpa_supplicant/sme.c
index 9b6667a..82aef0d 100644
--- a/wpa_supplicant/sme.c
+++ b/wpa_supplicant/sme.c
@@ -151,7 +151,7 @@
 #endif /* CONFIG_IEEE80211R */
 	int i, bssid_changed;
 	struct wpabuf *resp = NULL;
-	u8 ext_capab[10];
+	u8 ext_capab[18];
 	int ext_capab_len;
 
 	if (bss == NULL) {
@@ -371,7 +371,8 @@
 	}
 #endif /* CONFIG_HS20 */
 
-	ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab);
+	ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab,
+					     sizeof(ext_capab));
 	if (ext_capab_len > 0) {
 		u8 *pos = wpa_s->sme.assoc_req_ie;
 		if (wpa_s->sme.assoc_req_ie_len > 0 && pos[0] == WLAN_EID_RSN)
diff --git a/wpa_supplicant/wpa_cli.c b/wpa_supplicant/wpa_cli.c
index b3812ca..8811d6f 100644
--- a/wpa_supplicant/wpa_cli.c
+++ b/wpa_supplicant/wpa_cli.c
@@ -628,7 +628,7 @@
 		"p2p_go_max_inactivity", "auto_interworking", "okc", "pmf",
 		"sae_groups", "dtim_period", "beacon_int", "ap_vendor_elements",
 		"ignore_old_scan_res", "freq_list", "external_sim",
-		"tdls_external_control"
+		"tdls_external_control", "p2p_search_delay"
 	};
 	int i, num_fields = ARRAY_SIZE(fields);
 
diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index 0b871d0..ffba0f5 100644
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -1272,13 +1272,18 @@
 }
 
 
-int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf)
+int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen)
 {
 	u8 *pos = buf;
 	u8 len = 6, i;
 
 	if (len < wpa_s->extended_capa_len)
 		len = wpa_s->extended_capa_len;
+	if (buflen < (size_t) len + 2) {
+		wpa_printf(MSG_INFO,
+			   "Not enough room for building extended capabilities element");
+		return -1;
+	}
 
 	*pos++ = WLAN_EID_EXT_CAPAB;
 	*pos++ = len;
@@ -1666,9 +1671,10 @@
 	 * interoperability issues.
 	 */
 	if (!bss || wpa_bss_get_ie(bss, WLAN_EID_EXT_CAPAB)) {
-		u8 ext_capab[10];
+		u8 ext_capab[18];
 		int ext_capab_len;
-		ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab);
+		ext_capab_len = wpas_build_ext_capab(wpa_s, ext_capab,
+						     sizeof(ext_capab));
 		if (ext_capab_len > 0) {
 			u8 *pos = wpa_ie;
 			if (wpa_ie_len > 0 && pos[0] == WLAN_EID_RSN)
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 243787f..191f206 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -269,6 +269,13 @@
 # inactive stations.
 #p2p_go_max_inactivity=300
 
+# Extra delay between concurrent P2P search iterations
+#
+# This value adds extra delay in milliseconds between concurrent search
+# iterations to make p2p_find friendlier to concurrent operations by avoiding
+# it from taking 100% of radio resources. The default value is 500 ms.
+#p2p_search_delay=500
+
 # Opportunistic Key Caching (also known as Proactive Key Caching) default
 # This parameter can be used to set the default behavior for the
 # proactive_key_caching parameter. By default, OKC is disabled unless enabled
diff --git a/wpa_supplicant/wpa_supplicant_i.h b/wpa_supplicant/wpa_supplicant_i.h
index a83c8cd..56434c4 100644
--- a/wpa_supplicant/wpa_supplicant_i.h
+++ b/wpa_supplicant/wpa_supplicant_i.h
@@ -941,7 +941,7 @@
 int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
 		    size_t ssid_len);
 void wpas_request_connection(struct wpa_supplicant *wpa_s);
-int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
+int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf, size_t buflen);
 
 /**
  * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response