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unit: Test the EAP-TLS-ServerSubjectMatch config option

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This commit is contained in:
Andrew Zaborowski 2019-08-23 03:30:24 +02:00 committed by Denis Kenzior
parent fc4685abec
commit 9c4c9a71c5
1 changed files with 86 additions and 29 deletions
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115
unit/test-eapol.c
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@ -2738,6 +2738,7 @@ struct eapol_8021x_tls_test_state {
l_tls_disconnect_cb_t disconnect_cb;
uint8_t method;
bool expect_handshake_fail;
struct l_tls *tls;
uint8_t last_id;
@ -2745,6 +2746,7 @@ struct eapol_8021x_tls_test_state {
bool success;
bool pending_req;
bool tx_ack;
bool disconnected;
uint8_t tx_buf[16384];
unsigned int tx_buf_len, tx_buf_offset;
@ -2850,7 +2852,6 @@ static void eapol_sm_test_tls_test_ready(const char *peer_identity,
struct eapol_8021x_tls_test_state *s = user_data;
assert(!s->tx_ack);
/* TODO: require the right peer_identity */
s->success = true;
@ -2861,17 +2862,23 @@ static void eapol_sm_test_tls_test_ready(const char *peer_identity,
static void eapol_sm_test_tls_test_disconnected(enum l_tls_alert_desc reason,
bool remote, void *user_data)
{
l_info("Unexpected TLS alert: %d", reason);
assert(false);
struct eapol_8021x_tls_test_state *s = user_data;
l_info("TLS alert: %s (%d)", l_tls_alert_to_str(reason), reason);
assert(s->expect_handshake_fail);
s->disconnected = true;
}
static void verify_handshake_successful(struct handshake_state *hs,
static void test_handshake_event(struct handshake_state *hs,
enum handshake_event event,
void *event_data, void *user_data)
{
struct test_handshake_state *ths =
l_container_of(hs, struct test_handshake_state, super);
switch (event) {
case HANDSHAKE_EVENT_FAILED:
assert(false);
ths->handshake_failed = true;
break;
default:
break;
@ -2908,12 +2915,13 @@ static void eapol_sm_test_tls(struct eapol_8021x_tls_test_state *s,
__handshake_set_get_nonce_func(test_nonce);
hs = test_handshake_state_new(1);
ths = l_container_of(hs, struct test_handshake_state, super);
sm = eapol_sm_new(hs);
eapol_register(sm);
handshake_state_set_authenticator_address(hs, ap_address);
handshake_state_set_supplicant_address(hs, sta_address);
handshake_state_set_event_func(hs, verify_handshake_successful, NULL);
handshake_state_set_event_func(hs, test_handshake_event, NULL);
__eapol_set_tx_user_data(s);
r = handshake_state_set_supplicant_ie(hs,
@ -2952,9 +2960,11 @@ static void eapol_sm_test_tls(struct eapol_8021x_tls_test_state *s,
assert(l_tls_set_cacert(s->tls, CERTDIR "cert-ca.pem"));
assert(l_tls_start(s->tls));
ths->handshake_failed = false;
start = 1;
__eapol_set_tx_packet_func(verify_8021x_tls_resp);
while (!s->success || s->tx_buf_len) {
while ((!s->success || s->tx_buf_len) &&
!ths->handshake_failed && !s->disconnected) {
tx_len = 0;
data_len = 1024 < s->tx_buf_len ? 1024 : s->tx_buf_len;
header_len = 6;
@ -3002,6 +3012,9 @@ static void eapol_sm_test_tls(struct eapol_8021x_tls_test_state *s,
__eapol_rx_packet(1, ap_address, ETH_P_PAE,
tx_buf, tx_len, false);
if (ths->handshake_failed || s->disconnected)
break;
assert(!s->pending_req);
while (s->tx_ack) {
@ -3023,12 +3036,26 @@ static void eapol_sm_test_tls(struct eapol_8021x_tls_test_state *s,
__eapol_rx_packet(1, ap_address, ETH_P_PAE,
tx_buf, tx_len, false);
if (ths->handshake_failed || s->disconnected)
break;
assert(!s->pending_req);
}
}
l_tls_free(s->tls);
if (ths->handshake_failed || s->disconnected) {
assert(s->expect_handshake_fail);
if (ths->handshake_failed)
sm = NULL;
goto done;
}
assert(!s->expect_handshake_fail);
tx_len = 0;
tx_buf[tx_len++] = EAPOL_PROTOCOL_VERSION_2004;
tx_buf[tx_len++] = 0x00; /* EAPoL-EAP */
@ -3094,15 +3121,18 @@ static void eapol_sm_test_tls(struct eapol_8021x_tls_test_state *s,
__eapol_set_tx_packet_func(verify_step4);
__handshake_set_install_tk_func(verify_install_tk);
ths = l_container_of(hs, struct test_handshake_state, super);
ths->tk = ptk + 16 + 16;
__eapol_rx_packet(1, ap_address, ETH_P_PAE,
step3_buf, sizeof(eapol_key_data_15), false);
assert(verify_step4_called);
assert(verify_install_tk_called);
done:
__handshake_set_install_tk_func(NULL);
eapol_sm_free(sm);
if (sm)
eapol_sm_free(sm);
handshake_state_free(hs);
eapol_exit();
eap_exit();
@ -3116,7 +3146,7 @@ static void eapol_sm_test_eap_tls(const void *data)
"EAP-TLS-CACert=" CERTDIR "cert-ca.pem\n"
"EAP-TLS-ClientCert=" CERTDIR "cert-client.pem\n"
"EAP-TLS-ClientKey=" CERTDIR "cert-client-key-pkcs8.pem";
struct eapol_8021x_tls_test_state s;
struct eapol_8021x_tls_test_state s = {};
s.app_data_cb = eapol_sm_test_tls_new_data;
s.ready_cb = eapol_sm_test_tls_test_ready;
@ -3126,6 +3156,45 @@ static void eapol_sm_test_eap_tls(const void *data)
eapol_sm_test_tls(&s, eapol_8021x_config);
}
static void eapol_sm_test_eap_tls_subject_good(const void *data)
{
static const char *eapol_8021x_config = "[Security]\n"
"EAP-Method=TLS\n"
"EAP-Identity=abc@example.com\n"
"EAP-TLS-CACert=" CERTDIR "cert-ca.pem\n"
"EAP-TLS-ClientCert=" CERTDIR "cert-client.pem\n"
"EAP-TLS-ClientKey=" CERTDIR "cert-client-key-pkcs8.pem\n"
"EAP-TLS-ServerDomainMask=Foo Example Organization";
struct eapol_8021x_tls_test_state s = {};
s.app_data_cb = eapol_sm_test_tls_new_data;
s.ready_cb = eapol_sm_test_tls_test_ready;
s.disconnect_cb = eapol_sm_test_tls_test_disconnected;
s.method = EAP_TYPE_TLS;
eapol_sm_test_tls(&s, eapol_8021x_config);
}
static void eapol_sm_test_eap_tls_subject_bad(const void *data)
{
static const char *eapol_8021x_config = "[Security]\n"
"EAP-Method=TLS\n"
"EAP-Identity=abc@example.com\n"
"EAP-TLS-CACert=" CERTDIR "cert-ca.pem\n"
"EAP-TLS-ClientCert=" CERTDIR "cert-client.pem\n"
"EAP-TLS-ClientKey=" CERTDIR "cert-client-key-pkcs8.pem\n"
"EAP-TLS-ServerDomainMask=Bar Example Organization";
struct eapol_8021x_tls_test_state s = {};
s.app_data_cb = eapol_sm_test_tls_new_data;
s.ready_cb = eapol_sm_test_tls_test_ready;
s.disconnect_cb = eapol_sm_test_tls_test_disconnected;
s.method = EAP_TYPE_TLS;
s.expect_handshake_fail = true;
eapol_sm_test_tls(&s, eapol_8021x_config);
}
static const uint8_t eap_ttls_eap_identity_avp[] = {
0x00, 0x00, 0x00, 0x4f, 0x40, 0x00, 0x00, 0x1c, 0x02, 0x00, 0x00, 0x14,
0x01, 0x61, 0x62, 0x63, 0x40, 0x65, 0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65,
@ -3195,7 +3264,7 @@ static void eapol_sm_test_eap_ttls_md5(const void *data)
"EAP-TTLS-Phase2-Method=MD5\n"
"EAP-TTLS-Phase2-Identity=abc@example.com\n"
"EAP-TTLS-Phase2-Password=testpasswd";
struct eapol_8021x_eap_ttls_test_state s;
struct eapol_8021x_eap_ttls_test_state s = {};
s.tls.app_data_cb = eapol_sm_test_eap_ttls_new_data;
s.tls.ready_cb = eapol_sm_test_eap_ttls_test_ready;
@ -3205,23 +3274,6 @@ static void eapol_sm_test_eap_ttls_md5(const void *data)
eapol_sm_test_tls(&s.tls, eapol_8021x_config);
}
static void test_handshake_event(struct handshake_state *hs,
enum handshake_event event,
void *event_data,
void *user_data)
{
struct test_handshake_state *ths =
l_container_of(hs, struct test_handshake_state, super);
switch (event) {
case HANDSHAKE_EVENT_FAILED:
ths->handshake_failed = true;
break;
default:
break;
}
}
static const uint8_t eap_ttls_start_req[] = {
0x02, 0x00, 0x00, 0x06, 0x01, 0x02, 0x00, 0x06, 0x15, 0x20
};
@ -3273,7 +3325,7 @@ static void eapol_sm_test_eap_nak(const void *data)
struct eapol_sm *sm;
struct l_settings *settings;
struct eapol_8021x_tls_test_state s;
struct eapol_8021x_tls_test_state s = {};
aa = ap_address;
spa = sta_address;
@ -3536,6 +3588,11 @@ int main(int argc, char *argv[])
&eapol_sm_test_eap_ttls_md5, NULL);
l_test_add("EAPoL/8021x EAP NAK",
&eapol_sm_test_eap_nak, NULL);
l_test_add("EAPoL/8021x EAP-TLS subject name match",
&eapol_sm_test_eap_tls_subject_good, NULL);
l_test_add("EAPoL/8021x EAP-TLS subject name mismatch",
&eapol_sm_test_eap_tls_subject_bad, NULL);
}
l_test_add("EAPoL/FT-Using-PSK 4-Way Handshake",