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Add AT_KDF attributes to Synchronization-Failure in EAP-AKA'

Message ID a238fd26eb094aa9b5366fbb1014f949@JPTOMBX11.corpusers.net
State Not Applicable
Headers show

Commit Message

Hatano, Tomoharu (Sony Mobile) Aug. 16, 2017, 12:52 p.m. UTC 
Hi Hostap,

Do you have any progress about review?

Best Regards,
Tomoharu Hatano

-----Original Message-----
From: Tomoharu Hatano [mailto:tomoharu.hatano@sony.com] 
Sent: Tuesday, July 25, 2017 12:24 PM
To: hostap@lists.infradead.org
Cc: Sogo, Shinji (Sony Mobile) <Shinji.Sogo@sony.com>; Nanbu, Tomonori (Sony Mobile) <Tomonori.Nanbu@sony.com>; Onodera, Akihiro X (Sony Mobile) <Akihiro.Onodera@sony.com>; Hatano, Tomoharu (Sony Mobile) <Tomoharu.Hatano@sony.com>
Subject: [PATCH] Add AT_KDF attributes to Synchronization-Failure in EAP-AKA'

From: Akihiro Onodera <akihiro.onodera@sony.com>

AT_KDF attributes need to be included in Synchronization-Failure according to EAP-AKA' specification RFC5448.

Change-Id: I5d1c2c1371094fdc39ee155ef83d6143ac8f37eb
Signed-off-by: Tomoharu Hatano <tomoharu.hatano@sony.com>
---
 src/eap_peer/eap_aka.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

 	} else if (res == -2) {
 		wpa_printf(MSG_WARNING, "EAP-AKA: UMTS authentication "
 			   "failed (AUTN seq# -> AUTS)");
-		return eap_aka_synchronization_failure(data, id);
+		return eap_aka_synchronization_failure(data, id, attr);
 	} else if (res > 0) {
 		wpa_printf(MSG_DEBUG, "EAP-AKA: Wait for external USIM processing");
 		return NULL;
--
2.7.4
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Patch

diff --git a/src/eap_peer/eap_aka.c b/src/eap_peer/eap_aka.c index 0bac62d..981bea2 100644
--- a/src/eap_peer/eap_aka.c
+++ b/src/eap_peer/eap_aka.c
@@ -570,7 +570,7 @@  static struct wpabuf * eap_aka_authentication_reject(struct eap_aka_data *data,
 
 
 static struct wpabuf * eap_aka_synchronization_failure(
-	struct eap_aka_data *data, u8 id)
+	struct eap_aka_data *data, u8 id, struct eap_sim_attrs *attr)
 {
 	struct eap_sim_msg *msg;
 
@@ -584,6 +584,12 @@  static struct wpabuf * eap_aka_synchronization_failure(
 	wpa_printf(MSG_DEBUG, "   AT_AUTS");
 	eap_sim_msg_add_full(msg, EAP_SIM_AT_AUTS, data->auts,
 			     EAP_AKA_AUTS_LEN);
+	if (data->eap_method == EAP_TYPE_AKA_PRIME) {
+		size_t i;
+		for (i = 0; i < attr->kdf_count; i++) {
+			eap_sim_msg_add(msg, EAP_SIM_AT_KDF, attr->kdf[i], NULL, 0);
+		}
+	}
 	return eap_sim_msg_finish(msg, data->eap_method, NULL, NULL, 0);  }
 
@@ -966,7 +972,7 @@  static struct wpabuf * eap_aka_process_challenge(struct eap_sm *sm,