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RADIUS server: Accept ERP keyName-NAI as user identity

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Previously the EAP user database had to include a wildcard entry for ERP
to work since the keyName-NAI as User-Name in Access-Request would not
be recognized without such wildcard entry (that could point to any EAP
method). This is not ideal, so add a separate check to allow any stored
ERP keyName-NAI to be used for ERP without any requirement for the EAP
user database to contain a matching entry.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-04-09 00:10:20 +03:00 committed by Jouni Malinen
parent 8f5b1c40bd
commit 3580ed8266
1 changed files with 31 additions and 8 deletions
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39
src/radius/radius_server.c
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@ -676,6 +676,23 @@ static void radius_server_testing_options(struct radius_session *sess,
}
#ifdef CONFIG_ERP
static struct eap_server_erp_key *
radius_server_erp_find_key(struct radius_server_data *data, const char *keyname)
{
struct eap_server_erp_key *erp;
dl_list_for_each(erp, &data->erp_keys, struct eap_server_erp_key,
list) {
if (os_strcmp(erp->keyname_nai, keyname) == 0)
return erp;
}
return NULL;
}
#endif /* CONFIG_ERP */
static struct radius_session *
radius_server_get_new_session(struct radius_server_data *data,
struct radius_client *client,
@ -702,6 +719,19 @@ radius_server_get_new_session(struct radius_server_data *data,
return NULL;
res = data->get_eap_user(data->conf_ctx, user, user_len, 0, tmp);
#ifdef CONFIG_ERP
if (res != 0 && data->erp) {
char *username;
username = os_zalloc(user_len + 1);
if (username) {
os_memcpy(username, user, user_len);
if (radius_server_erp_find_key(data, username))
res = 0;
os_free(username);
}
}
#endif /* CONFIG_ERP */
if (res != 0) {
RADIUS_DEBUG("User-Name not found from user database");
eap_user_free(tmp);
@ -2706,15 +2736,8 @@ radius_server_erp_get_key(void *ctx, const char *keyname)
{
struct radius_session *sess = ctx;
struct radius_server_data *data = sess->server;
struct eap_server_erp_key *erp;
dl_list_for_each(erp, &data->erp_keys, struct eap_server_erp_key,
list) {
if (os_strcmp(erp->keyname_nai, keyname) == 0)
return erp;
}
return NULL;
return radius_server_erp_find_key(data, keyname);
}