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eap-aka: added EAP reset_state

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This commit is contained in:
James Prestwood 2018-06-11 11:25:27 -07:00 committed by Denis Kenzior
parent 789eb08bc9
commit 96374f47e5
1 changed files with 32 additions and 6 deletions
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38
src/eap-aka.c
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@ -171,6 +171,7 @@ static void check_milenage_cb(const uint8_t *res, const uint8_t *ck,
* challenge packet.
*/
l_free(aka->chal_pkt);
aka->chal_pkt = NULL;
pos += eap_sim_build_header(eap, aka->type,
EAP_AKA_ST_SYNC_FAILURE, pos, 24);
@ -182,10 +183,8 @@ static void check_milenage_cb(const uint8_t *res, const uint8_t *ck,
return;
}
if (!res || !ck || !ik) {
l_free(aka->chal_pkt);
if (!res || !ck || !ik)
goto chal_error;
}
if (aka->type == EAP_TYPE_AKA_PRIME) {
if (!eap_aka_derive_primes(ck, ik, aka->autn,
@ -218,7 +217,6 @@ static void check_milenage_cb(const uint8_t *res, const uint8_t *ck,
if (!eap_sim_verify_mac(eap, aka->type, aka->chal_pkt, aka->pkt_len,
aka->k_aut, NULL, 0)) {
l_error("MAC was not valid");
l_free(aka->chal_pkt);
goto chal_error;
}
@ -243,6 +241,7 @@ static void check_milenage_cb(const uint8_t *res, const uint8_t *ck,
}
l_free(aka->chal_pkt);
aka->chal_pkt = NULL;
eap_send_response(eap, aka->type, response, resp_len);
@ -262,6 +261,8 @@ chal_fatal:
return;
chal_error:
l_free(aka->chal_pkt);
aka->chal_pkt = NULL;
eap_sim_client_error(eap, aka->type, EAP_SIM_ERROR_PROCESS);
}
@ -410,6 +411,7 @@ static void handle_challenge(struct eap_state *eap, const uint8_t *pkt,
if (sim_auth_check_milenage(aka->auth, rand, autn, check_milenage_cb,
eap) < 0) {
l_free(aka->chal_pkt);
aka->chal_pkt = NULL;
goto chal_error;
}
@ -679,6 +681,28 @@ static bool eap_aka_prime_load_settings(struct eap_state *eap,
return eap_aka_common_load_settings(eap, settings, prefix);
}
static bool eap_aka_reset_state(struct eap_state *eap)
{
struct eap_aka_handle *aka = eap_get_data(eap);
aka->state = EAP_AKA_STATE_UNCONNECTED;
l_free(aka->kdf_in);
aka->kdf_in = NULL;
l_free(aka->chal_pkt);
aka->chal_pkt = NULL;
memset(aka->mk, 0, sizeof(aka->mk));
memset(aka->k_encr, 0, sizeof(aka->k_encr));
memset(aka->k_aut, 0, sizeof(aka->k_aut));
memset(aka->msk, 0, sizeof(aka->msk));
memset(aka->emsk, 0, sizeof(aka->emsk));
memset(aka->k_re, 0, sizeof(aka->k_re));
memset(aka->autn, 0, sizeof(aka->autn));
return true;
}
static struct eap_method eap_aka = {
.request_type = EAP_TYPE_AKA,
.exports_msk = true,
@ -687,7 +711,8 @@ static struct eap_method eap_aka = {
.handle_request = eap_aka_handle_request,
.check_settings = eap_aka_check_settings,
.load_settings = eap_aka_load_settings,
.get_identity = eap_aka_get_identity
.get_identity = eap_aka_get_identity,
.reset_state = eap_aka_reset_state
};
static struct eap_method eap_aka_prime = {
@ -698,7 +723,8 @@ static struct eap_method eap_aka_prime = {
.handle_request = eap_aka_handle_request,
.check_settings = eap_aka_check_settings,
.load_settings = eap_aka_prime_load_settings,
.get_identity = eap_aka_get_identity
.get_identity = eap_aka_get_identity,
.reset_state = eap_aka_reset_state
};
static int eap_aka_init(void)