Accumulative patch from commit b57b560034f1bb1ad3a3892228940dde97323c0e

b57b560 wpa_supplicant: Default to nl80211 instead of wext
ee28f08 hostapd: Add more messages for error paths
61d2ce2 hostapd: Reject configuration file without interface parameter
a8a7890 Clear extra_blacklist_count on FLUSH command
c646862 WPS ER: Allow UPnP interface to be forced
728d971 Use status code 17 (unable to handle new STA) on max-STA limitation
5e24dc8 Add dup_binstr() to help common binary string tasks
8b44ad7 Use os_zalloc() instead of os_malloc() + os_memset()
2c48211 FT RRB: Validate os_malloc() return value before using it
7ca902b Make vlan_file optional if dynamic_vlan is used
bdb112d Add bitfield routines
04382f7 NFC: Add no waiting and no multiple operations options for scripts
fe90496 WPS: Fix AP auto configuration on config token generation
28fcfb6 NFC: Increase wpa_cli command buffer size
8f7a6dd WPS NFC: Allow Device Password ID override for selected registrar
aaecb69 WPS: Use generic MAC Address attribute builder
9ccd916 P2P: Clean up channel--frequency conversion functions
e864c0a Use a common frequency to channel conversion function
02db75b FT: Reset FT flag upon STA deauthentication
7800d45 P2P: Set P2P_DEV_PEER_WAITING_RESPONSE from TX status callback
d78d3c6 EAP peer: Add check before calling getSessionId method
dd57970 Disable network temporarily on repeated connection failures

Change-Id: If8078d5c1ff40ea806e844543cf6f2bf9d24b7ac
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index a832a73..a28c0f8 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -399,15 +399,13 @@
 
 	/* Save station identity for future RADIUS packets */
 	os_free(sm->identity);
-	sm->identity = os_malloc(identity_len + 1);
+	sm->identity = (u8 *) dup_binstr(identity, identity_len);
 	if (sm->identity == NULL) {
 		sm->identity_len = 0;
 		return;
 	}
 
-	os_memcpy(sm->identity, identity, identity_len);
 	sm->identity_len = identity_len;
-	sm->identity[identity_len] = '\0';
 	hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X,
 		       HOSTAPD_LEVEL_DEBUG, "STA identity '%s'", sm->identity);
 	sm->dot1xAuthEapolRespIdFramesRx++;
@@ -1272,13 +1270,10 @@
 				    NULL) < 0)
 		return;
 
-	identity = os_malloc(len + 1);
+	identity = (u8 *) dup_binstr(buf, len);
 	if (identity == NULL)
 		return;
 
-	os_memcpy(identity, buf, len);
-	identity[len] = '\0';
-
 	hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
 		       HOSTAPD_LEVEL_DEBUG, "old identity '%s' updated with "
 		       "User-Name from Access-Accept '%s'",