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authorJouni Malinen <jouni@qca.qualcomm.com>2012-06-15 15:49:54 (GMT)
committerJouni Malinen <j@w1.fi>2012-06-15 15:49:54 (GMT)
commit1cebaabd80db8f346b3f2d996b5d7d1629029be3 (patch)
treec875cc2c40ab7bbade5af95c1ae9e56c26a01765 /src/eap_server/eap_server_sim.c
parentef35f5a0fd2c41f92a3ecc29995c5de1f407d2af (diff)
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EAP-SIM/AKA server: Allow pseudonym to be used after unknown reauth id
If the peer uses an unknown reauth id, it would still be possible to use pseudonym instead of permanent id. Allow this by changing the AT_PERMANENT_ID_REQ to AT_FULLAUTH_ID_REQ in case unknown reauth id is used in EAP-Response/Identity. Signed-hostap: Jouni Malinen <jouni@qca.qualcomm.com>
Diffstat (limited to 'src/eap_server/eap_server_sim.c')
-rw-r--r--src/eap_server/eap_server_sim.c13
1 files changed, 11 insertions, 2 deletions
diff --git a/src/eap_server/eap_server_sim.c b/src/eap_server/eap_server_sim.c
index 60ab0d4..6658d9c 100644
--- a/src/eap_server/eap_server_sim.c
+++ b/src/eap_server/eap_server_sim.c
@@ -107,8 +107,17 @@ static struct wpabuf * eap_sim_build_start(struct eap_sm *sm,
EAP_SIM_SUBTYPE_START);
if (eap_sim_db_identity_known(sm->eap_sim_db_priv, sm->identity,
sm->identity_len)) {
- wpa_printf(MSG_DEBUG, " AT_PERMANENT_ID_REQ");
- eap_sim_msg_add(msg, EAP_SIM_AT_PERMANENT_ID_REQ, 0, NULL, 0);
+ if (sm->identity_len > 0 &&
+ sm->identity[0] == EAP_SIM_REAUTH_ID_PREFIX) {
+ /* Reauth id may have expired - try fullauth */
+ wpa_printf(MSG_DEBUG, " AT_FULLAUTH_ID_REQ");
+ eap_sim_msg_add(msg, EAP_SIM_AT_FULLAUTH_ID_REQ, 0,
+ NULL, 0);
+ } else {
+ wpa_printf(MSG_DEBUG, " AT_PERMANENT_ID_REQ");
+ eap_sim_msg_add(msg, EAP_SIM_AT_PERMANENT_ID_REQ, 0,
+ NULL, 0);
+ }
} else {
/*
* RFC 4186, Chap. 4.2.4 recommends that identity from EAP is