EAP-SIM DB: Remove unnecessary username prefix checks

The EAP-SIM/AKA code is already validating the prefix and the following
lookup would not find matches if the prefix is incorrect, so there is no
need for the extra checks here.

Signed-hostap: Jouni Malinen <j@w1.fi>

src/eap_server/eap_sim_db.c

@@ -1223,11 +1223,6 @@ eap_sim_db_get_permanent(struct eap_sim_db_data *data, const char *pseudonym)
 {
 	struct eap_sim_pseudonym *p;
 
-	if (pseudonym[0] != EAP_SIM_PSEUDONYM_PREFIX &&
-	    pseudonym[0] != EAP_AKA_PSEUDONYM_PREFIX &&
-	    pseudonym[0] != EAP_AKA_PRIME_PSEUDONYM_PREFIX)
-		return NULL;
-
 #ifdef CONFIG_SQLITE
 	if (data->sqlite_db)
 		return db_get_pseudonym(data, pseudonym);
@@ -1256,11 +1251,6 @@ eap_sim_db_get_reauth_entry(struct eap_sim_db_data *data,
 {
 	struct eap_sim_reauth *r;
 
-	if (reauth_id[0] != EAP_SIM_REAUTH_ID_PREFIX &&
-	    reauth_id[0] != EAP_AKA_REAUTH_ID_PREFIX &&
-	    reauth_id[0] != EAP_AKA_PRIME_REAUTH_ID_PREFIX)
-		return NULL;
-
 #ifdef CONFIG_SQLITE
 	if (data->sqlite_db)
 		return db_get_reauth(data, reauth_id);