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ERP: Update client identity based on EAP-Initiate/Re-auth

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Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Jouni Malinen 2015-09-05 00:04:21 +03:00 committed by Jouni Malinen
parent f00b9b8864
commit a6228b8ed6
3 changed files with 40 additions and 0 deletions
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1
src/ap/ieee802_1x.c
View file

@ -316,6 +316,7 @@ static void ieee802_1x_learn_identity(struct hostapd_data *hapd,
hdr->code != EAP_CODE_INITIATE))
return;
eap_erp_update_identity(sm->eap, eap, len);
identity = eap_get_identity(sm->eap, &identity_len);
if (identity == NULL)
return;

1
src/eap_server/eap.h
View file

@ -153,5 +153,6 @@ void eap_server_clear_identity(struct eap_sm *sm);
void eap_server_mschap_rx_callback(struct eap_sm *sm, const char *source,
const u8 *username, size_t username_len,
const u8 *challenge, const u8 *response);
void eap_erp_update_identity(struct eap_sm *sm, const u8 *eap, size_t len);
#endif /* EAP_H */

38
src/eap_server/eap_server.c
View file

@ -1968,6 +1968,44 @@ const u8 * eap_get_identity(struct eap_sm *sm, size_t *len)
}
void eap_erp_update_identity(struct eap_sm *sm, const u8 *eap, size_t len)
{
#ifdef CONFIG_ERP
const struct eap_hdr *hdr;
const u8 *pos, *end;
struct erp_tlvs parse;
if (len < sizeof(*hdr) + 1)
return;
hdr = (const struct eap_hdr *) eap;
end = eap + len;
pos = (const u8 *) (hdr + 1);
if (hdr->code != EAP_CODE_INITIATE || *pos != EAP_ERP_TYPE_REAUTH)
return;
pos++;
if (pos + 3 > end)
return;
/* Skip Flags and SEQ */
pos += 3;
if (erp_parse_tlvs(pos, end, &parse, 1) < 0 || !parse.keyname)
return;
wpa_hexdump_ascii(MSG_DEBUG,
"EAP: Update identity based on EAP-Initiate/Re-auth keyName-NAI",
parse.keyname, parse.keyname_len);
os_free(sm->identity);
sm->identity = os_malloc(parse.keyname_len);
if (sm->identity) {
os_memcpy(sm->identity, parse.keyname, parse.keyname_len);
sm->identity_len = parse.keyname_len;
} else {
sm->identity_len = 0;
}
#endif /* CONFIG_ERP */
}
/**
* eap_get_interface - Get pointer to EAP-EAPOL interface data
* @sm: Pointer to EAP state machine allocated with eap_server_sm_init()