#define PENDING_PN_EXHAUSTION 0xC0000000
+#define MKA_ALIGN_LENGTH(len) (((len) + 0x3) & ~0x3)
+
/* IEEE Std 802.1X-2010, Table 9-1 - MKA Algorithm Agility */
#define MKA_ALGO_AGILITY_2009 { 0x00, 0x80, 0xC2, 0x01 }
static u8 mka_algo_agility[4] = MKA_ALGO_AGILITY_2009;
static struct macsec_ciphersuite cipher_suite_tbl[] = {
/* GCM-AES-128 */
{
- CS_ID_GCM_AES_128,
- CS_NAME_GCM_AES_128,
- MACSEC_CAP_INTEG_AND_CONF_0_30_50,
- 16,
-
- 0 /* index */
+ .id = CS_ID_GCM_AES_128,
+ .name = CS_NAME_GCM_AES_128,
+ .capable = MACSEC_CAP_INTEG_AND_CONF_0_30_50,
+ .sak_len = DEFAULT_SA_KEY_LEN,
+ .index = 0,
},
};
#define CS_TABLE_SIZE (ARRAY_SIZE(cipher_suite_tbl))
static struct mka_alg mka_alg_tbl[] = {
{
- MKA_ALGO_AGILITY_2009,
+ .parameter = MKA_ALGO_AGILITY_2009,
+
/* 128-bit CAK, KEK, ICK, ICV */
- 16, 16, 16, 16,
- ieee802_1x_cak_128bits_aes_cmac,
- ieee802_1x_ckn_128bits_aes_cmac,
- ieee802_1x_kek_128bits_aes_cmac,
- ieee802_1x_ick_128bits_aes_cmac,
- ieee802_1x_icv_128bits_aes_cmac,
-
- 1, /* index */
+ .cak_len = DEFAULT_ICV_LEN,
+ .kek_len = DEFAULT_ICV_LEN,
+ .ick_len = DEFAULT_ICV_LEN,
+ .icv_len = DEFAULT_ICV_LEN,
+
+ .cak_trfm = ieee802_1x_cak_128bits_aes_cmac,
+ .ckn_trfm = ieee802_1x_ckn_128bits_aes_cmac,
+ .kek_trfm = ieee802_1x_kek_128bits_aes_cmac,
+ .ick_trfm = ieee802_1x_ick_128bits_aes_cmac,
+ .icv_hash = ieee802_1x_icv_128bits_aes_cmac,
+
+ .index = 1,
},
};
#define MKA_ALG_TABLE_SIZE (ARRAY_SIZE(mka_alg_tbl))
/**
+ * ieee802_1x_kay_get_potential_peer
+ */
+static struct ieee802_1x_kay_peer *
+ieee802_1x_kay_get_potential_peer(
+ struct ieee802_1x_mka_participant *participant, const u8 *mi)
+{
+ return get_peer_mi(&participant->potential_peers, mi);
+}
+
+
+/**
+ * ieee802_1x_kay_get_live_peer
+ */
+static struct ieee802_1x_kay_peer *
+ieee802_1x_kay_get_live_peer(struct ieee802_1x_mka_participant *participant,
+ const u8 *mi)
+{
+ return get_peer_mi(&participant->live_peers, mi);
+}
+
+
+/**
* ieee802_1x_kay_is_in_potential_peer
*/
static Boolean
ieee802_1x_kay_is_in_potential_peer(
struct ieee802_1x_mka_participant *participant, const u8 *mi)
{
- return get_peer_mi(&participant->potential_peers, mi) != NULL;
+ return ieee802_1x_kay_get_potential_peer(participant, mi) != NULL;
}
ieee802_1x_kay_is_in_live_peer(
struct ieee802_1x_mka_participant *participant, const u8 *mi)
{
- return get_peer_mi(&participant->live_peers, mi) != NULL;
+ return ieee802_1x_kay_get_live_peer(participant, mi) != NULL;
}
{
struct ieee802_1x_kay_peer *peer;
- peer = get_peer_mi(&participant->live_peers, mi);
+ peer = ieee802_1x_kay_get_live_peer(participant, mi);
if (peer)
return peer;
- return get_peer_mi(&participant->potential_peers, mi);
-}
-
-
-/**
- * ieee802_1x_kay_get_live_peer
- */
-static struct ieee802_1x_kay_peer *
-ieee802_1x_kay_get_live_peer(struct ieee802_1x_mka_participant *participant,
- const u8 *mi)
-{
- return get_peer_mi(&participant->live_peers, mi);
+ return ieee802_1x_kay_get_potential_peer(participant, mi);
}
for (i = 0; i < CS_TABLE_SIZE; i++) {
if (os_memcmp(cipher_suite_tbl[i].id, cs_id, CS_ID_LEN) == 0)
- break;
+ return &cipher_suite_tbl[i];
}
- if (i >= CS_TABLE_SIZE)
- return NULL;
- return &cipher_suite_tbl[i];
+ return NULL;
}
}
-/**
- * ieee802_1x_kay_create_live_peer
- */
+static void ieee802_1x_kay_dump_peer(struct ieee802_1x_kay_peer *peer)
+{
+ wpa_hexdump(MSG_DEBUG, "\tMI: ", peer->mi, sizeof(peer->mi));
+ wpa_printf(MSG_DEBUG, "\tMN: %d", peer->mn);
+ wpa_hexdump(MSG_DEBUG, "\tSCI Addr: ", peer->sci.addr, ETH_ALEN);
+ wpa_printf(MSG_DEBUG, "\tPort: %d", peer->sci.port);
+}
+
+
static struct ieee802_1x_kay_peer *
-ieee802_1x_kay_create_live_peer(struct ieee802_1x_mka_participant *participant,
- u8 *mi, u32 mn)
+ieee802_1x_kay_create_peer(const u8 *mi, u32 mn)
{
struct ieee802_1x_kay_peer *peer;
- struct receive_sc *rxsc;
- u32 sc_ch = 0;
peer = os_zalloc(sizeof(*peer));
- if (peer == NULL) {
+ if (!peer) {
wpa_printf(MSG_ERROR, "KaY-%s: out of memory", __func__);
return NULL;
}
peer->mn = mn;
peer->expire = time(NULL) + MKA_LIFE_TIME / 1000;
peer->sak_used = FALSE;
+
+ return peer;
+}
+
+
+/**
+ * ieee802_1x_kay_create_live_peer
+ */
+static struct ieee802_1x_kay_peer *
+ieee802_1x_kay_create_live_peer(struct ieee802_1x_mka_participant *participant,
+ const u8 *mi, u32 mn)
+{
+ struct ieee802_1x_kay_peer *peer;
+ struct receive_sc *rxsc;
+ u32 sc_ch = 0;
+
+ peer = ieee802_1x_kay_create_peer(mi, mn);
+ if (!peer)
+ return NULL;
+
os_memcpy(&peer->sci, &participant->current_peer_sci,
sizeof(peer->sci));
secy_create_receive_sc(participant->kay, rxsc);
wpa_printf(MSG_DEBUG, "KaY: Live peer created");
- wpa_hexdump(MSG_DEBUG, "\tMI: ", peer->mi, sizeof(peer->mi));
- wpa_printf(MSG_DEBUG, "\tMN: %d", peer->mn);
- wpa_hexdump(MSG_DEBUG, "\tSCI Addr: ", peer->sci.addr, ETH_ALEN);
- wpa_printf(MSG_DEBUG, "\tPort: %d", peer->sci.port);
+ ieee802_1x_kay_dump_peer(peer);
return peer;
}
{
struct ieee802_1x_kay_peer *peer;
- peer = os_zalloc(sizeof(*peer));
- if (peer == NULL) {
- wpa_printf(MSG_ERROR, "KaY-%s: out of memory", __func__);
+ peer = ieee802_1x_kay_create_peer(mi, mn);
+ if (!peer)
return NULL;
- }
-
- os_memcpy(peer->mi, mi, MI_LEN);
- peer->mn = mn;
- peer->expire = time(NULL) + MKA_LIFE_TIME / 1000;
- peer->sak_used = FALSE;
dl_list_add(&participant->potential_peers, &peer->list);
wpa_printf(MSG_DEBUG, "KaY: potential peer created");
- wpa_hexdump(MSG_DEBUG, "\tMI: ", peer->mi, sizeof(peer->mi));
- wpa_printf(MSG_DEBUG, "\tMN: %d", peer->mn);
- wpa_hexdump(MSG_DEBUG, "\tSCI Addr: ", peer->sci.addr, ETH_ALEN);
- wpa_printf(MSG_DEBUG, "\tPort: %d", peer->sci.port);
+ ieee802_1x_kay_dump_peer(peer);
return peer;
}
struct receive_sc *rxsc;
u32 sc_ch = 0;
- dl_list_for_each(peer, &participant->potential_peers,
- struct ieee802_1x_kay_peer, list) {
- if (os_memcmp(peer->mi, mi, MI_LEN) == 0)
- break;
- }
+ peer = ieee802_1x_kay_get_potential_peer(participant, mi);
rxsc = ieee802_1x_kay_init_receive_sc(&participant->current_peer_sci,
sc_ch);
peer->expire = time(NULL) + MKA_LIFE_TIME / 1000;
wpa_printf(MSG_DEBUG, "KaY: move potential peer to live peer");
- wpa_hexdump(MSG_DEBUG, "\tMI: ", peer->mi, sizeof(peer->mi));
- wpa_printf(MSG_DEBUG, "\tMN: %d", peer->mn);
- wpa_hexdump(MSG_DEBUG, "\tSCI Addr: ", peer->sci.addr, ETH_ALEN);
- wpa_printf(MSG_DEBUG, "\tPort: %d", peer->sci.port);
+ ieee802_1x_kay_dump_peer(peer);
dl_list_del(&peer->list);
dl_list_add_tail(&participant->live_peers, &peer->list);
length = sizeof(struct ieee802_1x_mka_basic_body);
length += participant->ckn.len;
- return (length + 0x3) & ~0x3;
+ return MKA_ALIGN_LENGTH(length);
}
struct ieee802_1x_kay_peer, list)
len += sizeof(struct ieee802_1x_mka_peer_id);
- return (len + 0x3) & ~0x3;
+ return MKA_ALIGN_LENGTH(len);
}
struct ieee802_1x_kay_peer, list)
len += sizeof(struct ieee802_1x_mka_peer_id);
- return (len + 0x3) & ~0x3;
+ return MKA_ALIGN_LENGTH(len);
}
if (participant->kay->macsec_desired && participant->advised_desired)
length = sizeof(struct ieee802_1x_mka_sak_use_body);
- else
- length = MKA_HDR_LEN;
-
- length = (length + 0x3) & ~0x3;
- return length;
+ return MKA_ALIGN_LENGTH(length);
}
ieee802_1x_mka_get_dist_sak_length(
struct ieee802_1x_mka_participant *participant)
{
- int length;
+ int length = MKA_HDR_LEN;
int cs_index = participant->kay->macsec_csindex;
if (participant->advised_desired) {
length += CS_ID_LEN;
length += cipher_suite_tbl[cs_index].sak_len + 8;
- } else {
- length = MKA_HDR_LEN;
}
- length = (length + 0x3) & ~0x3;
- return length;
+ return MKA_ALIGN_LENGTH(length);
}
length = sizeof(struct ieee802_1x_mka_icv_body);
length += mka_alg_tbl[participant->kay->mka_algindex].icv_len;
- return (length + 0x3) & ~0x3;
+ return MKA_ALIGN_LENGTH(length);
}
projects / mech_eap.git / blobdiff