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EAP-SIM server: Require SIM/Start response to include identity

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Since we always request an identity in the request, the response
has to include AT_IDENTITY. This allows the SIM/Start response
processing to be simplified a bit.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2012-09-01 18:56:35 +03:00
parent 336a46aeda
commit 15cfe2b40f
1 changed files with 23 additions and 11 deletions
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34
src/eap_server/eap_server_sim.c
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@ -405,19 +405,34 @@ static void eap_sim_process_start(struct eap_sm *sm,
const u8 *identity;
size_t identity_len;
u8 ver_list[2];
u8 *new_identity;
wpa_printf(MSG_DEBUG, "EAP-SIM: Receive start response");
if (attr->identity) {
os_free(sm->identity);
sm->identity = os_malloc(attr->identity_len);
if (sm->identity) {
os_memcpy(sm->identity, attr->identity,
attr->identity_len);
sm->identity_len = attr->identity_len;
}
/*
* We always request identity in SIM/Start, so the peer is required to
* have replied with one.
*/
if (!attr->identity || attr->identity_len == 0) {
wpa_printf(MSG_DEBUG, "EAP-SIM: Peer did not provide any "
"identity");
eap_sim_state(data, FAILURE);
return;
}
new_identity = os_malloc(attr->identity_len);
if (new_identity == NULL) {
eap_sim_state(data, FAILURE);
return;
}
os_free(sm->identity);
sm->identity = new_identity;
os_memcpy(sm->identity, attr->identity, attr->identity_len);
sm->identity_len = attr->identity_len;
wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity",
sm->identity, sm->identity_len);
identity = NULL;
identity_len = 0;
@ -453,9 +468,6 @@ static void eap_sim_process_start(struct eap_sm *sm,
return;
}
wpa_hexdump_ascii(MSG_DEBUG, "EAP-SIM: Identity",
identity, identity_len);
if (data->reauth) {
eap_sim_state(data, REAUTH);
return;