}
+static void wpa_supplicant_key_mgmt_set_pmk(struct wpa_sm *sm)
+{
+#ifdef CONFIG_IEEE80211R
+ if (sm->key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
+ if (wpa_sm_key_mgmt_set_pmk(sm, sm->xxkey, sm->xxkey_len))
+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+ "RSN: Cannot set low order 256 bits of MSK for key management offload");
+ } else {
+#endif /* CONFIG_IEEE80211R */
+ if (wpa_sm_key_mgmt_set_pmk(sm, sm->pmk, sm->pmk_len))
+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+ "RSN: Cannot set PMK for key management offload");
+#ifdef CONFIG_IEEE80211R
+ }
+#endif /* CONFIG_IEEE80211R */
+}
+
+
static int wpa_supplicant_get_pmk(struct wpa_sm *sm,
const unsigned char *src_addr,
const u8 *pmkid)
}
if (pmkid && sm->cur_pmksa &&
- os_memcmp(pmkid, sm->cur_pmksa->pmkid, PMKID_LEN) == 0) {
+ os_memcmp_const(pmkid, sm->cur_pmksa->pmkid, PMKID_LEN) == 0) {
wpa_hexdump(MSG_DEBUG, "RSN: matched PMKID", pmkid, PMKID_LEN);
wpa_sm_set_pmk_from_pmksa(sm);
wpa_hexdump_key(MSG_DEBUG, "RSN: PMK from PMKSA cache",
wpa_hexdump_key(MSG_DEBUG, "WPA: PMK from EAPOL state "
"machines", sm->pmk, pmk_len);
sm->pmk_len = pmk_len;
+ wpa_supplicant_key_mgmt_set_pmk(sm);
if (sm->proto == WPA_PROTO_RSN &&
+ !wpa_key_mgmt_suite_b(sm->key_mgmt) &&
!wpa_key_mgmt_ft(sm->key_mgmt)) {
sa = pmksa_cache_add(sm->pmksa,
sm->pmk, pmk_len,
+ NULL, 0,
src_addr, sm->own_addr,
sm->network_ctx,
sm->key_mgmt);
}
if (abort_cached && wpa_key_mgmt_wpa_ieee8021x(sm->key_mgmt) &&
+ !wpa_key_mgmt_suite_b(sm->key_mgmt) &&
!wpa_key_mgmt_ft(sm->key_mgmt) && sm->key_mgmt != WPA_KEY_MGMT_OSEN)
{
/* Send EAPOL-Start to trigger full EAP authentication. */
static void wpa_supplicant_process_1_of_4(struct wpa_sm *sm,
const unsigned char *src_addr,
const struct wpa_eapol_key *key,
- u16 ver)
+ u16 ver, const u8 *key_data,
+ size_t key_data_len)
{
struct wpa_eapol_ie_parse ie;
struct wpa_ptk *ptk;
- u8 buf[8];
int res;
u8 *kde, *kde_buf = NULL;
size_t kde_len;
if (sm->proto == WPA_PROTO_RSN || sm->proto == WPA_PROTO_OSEN) {
/* RSN: msg 1/4 should contain PMKID for the selected PMK */
- const u8 *_buf = (const u8 *) (key + 1);
- size_t len = WPA_GET_BE16(key->key_data_length);
- wpa_hexdump(MSG_DEBUG, "RSN: msg 1/4 key data", _buf, len);
- if (wpa_supplicant_parse_ies(_buf, len, &ie) < 0)
+ wpa_hexdump(MSG_DEBUG, "RSN: msg 1/4 key data",
+ key_data, key_data_len);
+ if (wpa_supplicant_parse_ies(key_data, key_data_len, &ie) < 0)
goto failed;
if (ie.pmkid) {
wpa_hexdump(MSG_DEBUG, "RSN: PMKID from "
ptk = &sm->tptk;
wpa_derive_ptk(sm, src_addr, key, ptk);
if (sm->pairwise_cipher == WPA_CIPHER_TKIP) {
+ u8 buf[8];
/* Supplicant: swap tx/rx Mic keys */
os_memcpy(buf, ptk->u.auth.tx_mic_key, 8);
os_memcpy(ptk->u.auth.tx_mic_key, ptk->u.auth.rx_mic_key, 8);
os_memcpy(ptk->u.auth.rx_mic_key, buf, 8);
+ os_memset(buf, 0, sizeof(buf));
}
sm->tptk_set = 1;
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Failed to set GTK to the driver "
"(Group only)");
+ os_memset(gtk_buf, 0, sizeof(gtk_buf));
return -1;
}
} else if (wpa_sm_set_key(sm, gd->alg, broadcast_ether_addr,
"WPA: Failed to set GTK to "
"the driver (alg=%d keylen=%d keyidx=%d)",
gd->alg, gd->gtk_len, gd->keyidx);
+ os_memset(gtk_buf, 0, sizeof(gtk_buf));
return -1;
}
+ os_memset(gtk_buf, 0, sizeof(gtk_buf));
return 0;
}
wpa_supplicant_install_gtk(sm, &gd, key->key_rsc))) {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"RSN: Failed to install GTK");
+ os_memset(&gd, 0, sizeof(gd));
return -1;
}
+ os_memset(&gd, 0, sizeof(gd));
wpa_supplicant_key_neg_complete(sm, sm->bssid,
key_info & WPA_KEY_INFO_SECURE);
return -1;
}
- if (os_memcmp(rsn.pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN) != 0) {
+ if (os_memcmp_const(rsn.pmkid, sm->pmk_r1_name, WPA_PMK_NAME_LEN) != 0)
+ {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"FT: PMKR1Name mismatch in "
"FT 4-way handshake message 3/4");
* @key: Pointer to the EAPOL-Key frame header
* @ver: Version bits from EAPOL-Key Key Info
* @key_info: Key Info
- * @kde: KDEs to include the EAPOL-Key frame
- * @kde_len: Length of KDEs
* @ptk: PTK to use for keyed hash and encryption
* Returns: 0 on success, -1 on failure
*/
int wpa_supplicant_send_4_of_4(struct wpa_sm *sm, const unsigned char *dst,
const struct wpa_eapol_key *key,
u16 ver, u16 key_info,
- const u8 *kde, size_t kde_len,
struct wpa_ptk *ptk)
{
size_t rlen;
struct wpa_eapol_key *reply;
u8 *rbuf;
- if (kde)
- wpa_hexdump(MSG_DEBUG, "WPA: KDE for msg 4/4", kde, kde_len);
-
rbuf = wpa_sm_alloc_eapol(sm, IEEE802_1X_TYPE_EAPOL_KEY, NULL,
- sizeof(*reply) + kde_len,
- &rlen, (void *) &reply);
+ sizeof(*reply), &rlen, (void *) &reply);
if (rbuf == NULL)
return -1;
os_memcpy(reply->replay_counter, key->replay_counter,
WPA_REPLAY_COUNTER_LEN);
- WPA_PUT_BE16(reply->key_data_length, kde_len);
- if (kde)
- os_memcpy(reply + 1, kde, kde_len);
+ WPA_PUT_BE16(reply->key_data_length, 0);
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Sending EAPOL-Key 4/4");
wpa_eapol_key_send(sm, ptk->kck, ver, dst, ETH_P_EAPOL,
static void wpa_supplicant_process_3_of_4(struct wpa_sm *sm,
const struct wpa_eapol_key *key,
- u16 ver)
+ u16 ver, const u8 *key_data,
+ size_t key_data_len)
{
- u16 key_info, keylen, len;
- const u8 *pos;
+ u16 key_info, keylen;
struct wpa_eapol_ie_parse ie;
wpa_sm_set_state(sm, WPA_4WAY_HANDSHAKE);
key_info = WPA_GET_BE16(key->key_info);
- pos = (const u8 *) (key + 1);
- len = WPA_GET_BE16(key->key_data_length);
- wpa_hexdump(MSG_DEBUG, "WPA: IE KeyData", pos, len);
- if (wpa_supplicant_parse_ies(pos, len, &ie) < 0)
+ wpa_hexdump(MSG_DEBUG, "WPA: IE KeyData", key_data, key_data_len);
+ if (wpa_supplicant_parse_ies(key_data, key_data_len, &ie) < 0)
goto failed;
if (ie.gtk && !(key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
#endif /* CONFIG_P2P */
if (wpa_supplicant_send_4_of_4(sm, sm->bssid, key, ver, key_info,
- NULL, 0, &sm->ptk)) {
+ &sm->ptk)) {
goto failed;
}
if (ie.gtk)
wpa_sm_set_rekey_offload(sm);
+ if (sm->proto == WPA_PROTO_RSN && wpa_key_mgmt_suite_b(sm->key_mgmt)) {
+ struct rsn_pmksa_cache_entry *sa;
+
+ sa = pmksa_cache_add(sm->pmksa, sm->pmk, sm->pmk_len,
+ sm->ptk.kck, sizeof(sm->ptk.kck),
+ sm->bssid, sm->own_addr,
+ sm->network_ctx, sm->key_mgmt);
+ if (!sm->cur_pmksa)
+ sm->cur_pmksa = sa;
+ }
+
return;
failed:
static int wpa_supplicant_process_1_of_2_wpa(struct wpa_sm *sm,
const struct wpa_eapol_key *key,
- size_t keydatalen, int key_info,
- size_t extra_len, u16 ver,
- struct wpa_gtk_data *gd)
+ const u8 *key_data,
+ size_t key_data_len, u16 key_info,
+ u16 ver, struct wpa_gtk_data *gd)
{
size_t maxkeylen;
- u8 ek[32];
gd->gtk_len = WPA_GET_BE16(key->key_length);
- maxkeylen = keydatalen;
- if (keydatalen > extra_len) {
- wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
- "WPA: Truncated EAPOL-Key packet: "
- "key_data_length=%lu > extra_len=%lu",
- (unsigned long) keydatalen, (unsigned long) extra_len);
- return -1;
- }
+ maxkeylen = key_data_len;
if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
if (maxkeylen < 8) {
wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
gd->keyidx = (key_info & WPA_KEY_INFO_KEY_INDEX_MASK) >>
WPA_KEY_INFO_KEY_INDEX_SHIFT;
if (ver == WPA_KEY_INFO_TYPE_HMAC_MD5_RC4) {
- os_memcpy(ek, key->key_iv, 16);
- os_memcpy(ek + 16, sm->ptk.kek, 16);
- if (keydatalen > sizeof(gd->gtk)) {
+ u8 ek[32];
+ if (key_data_len > sizeof(gd->gtk)) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: RC4 key data too long (%lu)",
- (unsigned long) keydatalen);
+ (unsigned long) key_data_len);
return -1;
}
- os_memcpy(gd->gtk, key + 1, keydatalen);
- if (rc4_skip(ek, 32, 256, gd->gtk, keydatalen)) {
+ os_memcpy(ek, key->key_iv, 16);
+ os_memcpy(ek + 16, sm->ptk.kek, 16);
+ os_memcpy(gd->gtk, key_data, key_data_len);
+ if (rc4_skip(ek, 32, 256, gd->gtk, key_data_len)) {
+ os_memset(ek, 0, sizeof(ek));
wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
"WPA: RC4 failed");
return -1;
}
+ os_memset(ek, 0, sizeof(ek));
} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
- if (keydatalen % 8) {
+ if (maxkeylen % 8) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Unsupported AES-WRAP len %lu",
- (unsigned long) keydatalen);
+ (unsigned long) maxkeylen);
return -1;
}
if (maxkeylen > sizeof(gd->gtk)) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: AES-WRAP key data "
"too long (keydatalen=%lu maxkeylen=%lu)",
- (unsigned long) keydatalen,
+ (unsigned long) key_data_len,
(unsigned long) maxkeylen);
return -1;
}
- if (aes_unwrap(sm->ptk.kek, maxkeylen / 8,
- (const u8 *) (key + 1), gd->gtk)) {
+ if (aes_unwrap(sm->ptk.kek, 16, maxkeylen / 8, key_data,
+ gd->gtk)) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: AES unwrap failed - could not decrypt "
"GTK");
static void wpa_supplicant_process_1_of_2(struct wpa_sm *sm,
const unsigned char *src_addr,
const struct wpa_eapol_key *key,
- int extra_len, u16 ver)
+ const u8 *key_data,
+ size_t key_data_len, u16 ver)
{
- u16 key_info, keydatalen;
+ u16 key_info;
int rekey, ret;
struct wpa_gtk_data gd;
"Handshake from " MACSTR " (ver=%d)", MAC2STR(src_addr), ver);
key_info = WPA_GET_BE16(key->key_info);
- keydatalen = WPA_GET_BE16(key->key_data_length);
if (sm->proto == WPA_PROTO_RSN || sm->proto == WPA_PROTO_OSEN) {
- ret = wpa_supplicant_process_1_of_2_rsn(sm,
- (const u8 *) (key + 1),
- keydatalen, key_info,
+ ret = wpa_supplicant_process_1_of_2_rsn(sm, key_data,
+ key_data_len, key_info,
&gd);
} else {
- ret = wpa_supplicant_process_1_of_2_wpa(sm, key, keydatalen,
- key_info, extra_len,
- ver, &gd);
+ ret = wpa_supplicant_process_1_of_2_wpa(sm, key, key_data,
+ key_data_len,
+ key_info, ver, &gd);
}
wpa_sm_set_state(sm, WPA_GROUP_HANDSHAKE);
os_memset(key->key_mic, 0, 16);
wpa_eapol_key_mic(sm->tptk.kck, ver, buf, len,
key->key_mic);
- if (os_memcmp(mic, key->key_mic, 16) != 0) {
+ if (os_memcmp_const(mic, key->key_mic, 16) != 0) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Invalid EAPOL-Key MIC "
"when using TPTK - ignoring TPTK");
sm->tptk_set = 0;
sm->ptk_set = 1;
os_memcpy(&sm->ptk, &sm->tptk, sizeof(sm->ptk));
+ os_memset(&sm->tptk, 0, sizeof(sm->tptk));
}
}
os_memset(key->key_mic, 0, 16);
wpa_eapol_key_mic(sm->ptk.kck, ver, buf, len,
key->key_mic);
- if (os_memcmp(mic, key->key_mic, 16) != 0) {
+ if (os_memcmp_const(mic, key->key_mic, 16) != 0) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Invalid EAPOL-Key MIC - "
"dropping packet");
/* Decrypt RSN EAPOL-Key key data (RC4 or AES-WRAP) */
static int wpa_supplicant_decrypt_key_data(struct wpa_sm *sm,
- struct wpa_eapol_key *key, u16 ver)
+ struct wpa_eapol_key *key, u16 ver,
+ u8 *key_data, size_t *key_data_len)
{
- u16 keydatalen = WPA_GET_BE16(key->key_data_length);
-
wpa_hexdump(MSG_DEBUG, "RSN: encrypted key data",
- (u8 *) (key + 1), keydatalen);
+ key_data, *key_data_len);
if (!sm->ptk_set) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: PTK not available, cannot decrypt EAPOL-Key Key "
u8 ek[32];
os_memcpy(ek, key->key_iv, 16);
os_memcpy(ek + 16, sm->ptk.kek, 16);
- if (rc4_skip(ek, 32, 256, (u8 *) (key + 1), keydatalen)) {
+ if (rc4_skip(ek, 32, 256, key_data, *key_data_len)) {
+ os_memset(ek, 0, sizeof(ek));
wpa_msg(sm->ctx->msg_ctx, MSG_ERROR,
"WPA: RC4 failed");
return -1;
}
+ os_memset(ek, 0, sizeof(ek));
} else if (ver == WPA_KEY_INFO_TYPE_HMAC_SHA1_AES ||
ver == WPA_KEY_INFO_TYPE_AES_128_CMAC ||
sm->key_mgmt == WPA_KEY_MGMT_OSEN) {
u8 *buf;
- if (keydatalen % 8) {
+ if (*key_data_len < 8 || *key_data_len % 8) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
- "WPA: Unsupported AES-WRAP len %d",
- keydatalen);
+ "WPA: Unsupported AES-WRAP len %u",
+ (unsigned int) *key_data_len);
return -1;
}
- keydatalen -= 8; /* AES-WRAP adds 8 bytes */
- buf = os_malloc(keydatalen);
+ *key_data_len -= 8; /* AES-WRAP adds 8 bytes */
+ buf = os_malloc(*key_data_len);
if (buf == NULL) {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: No memory for AES-UNWRAP buffer");
return -1;
}
- if (aes_unwrap(sm->ptk.kek, keydatalen / 8,
- (u8 *) (key + 1), buf)) {
+ if (aes_unwrap(sm->ptk.kek, 16, *key_data_len / 8,
+ key_data, buf)) {
os_free(buf);
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: AES unwrap failed - "
"could not decrypt EAPOL-Key key data");
return -1;
}
- os_memcpy(key + 1, buf, keydatalen);
+ os_memcpy(key_data, buf, *key_data_len);
os_free(buf);
- WPA_PUT_BE16(key->key_data_length, keydatalen);
+ WPA_PUT_BE16(key->key_data_length, *key_data_len);
} else {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: Unsupported key_info type %d", ver);
return -1;
}
wpa_hexdump_key(MSG_DEBUG, "WPA: decrypted EAPOL-Key key data",
- (u8 *) (key + 1), keydatalen);
+ key_data, *key_data_len);
return 0;
}
int wpa_sm_rx_eapol(struct wpa_sm *sm, const u8 *src_addr,
const u8 *buf, size_t len)
{
- size_t plen, data_len, extra_len;
- struct ieee802_1x_hdr *hdr;
+ size_t plen, data_len, key_data_len;
+ const struct ieee802_1x_hdr *hdr;
struct wpa_eapol_key *key;
u16 key_info, ver;
- u8 *tmp;
+ u8 *tmp = NULL;
int ret = -1;
struct wpa_peerkey *peerkey = NULL;
+ u8 *key_data;
#ifdef CONFIG_IEEE80211R
sm->ft_completed = 0;
return 0;
}
- tmp = os_malloc(len);
- if (tmp == NULL)
- return -1;
- os_memcpy(tmp, buf, len);
-
- hdr = (struct ieee802_1x_hdr *) tmp;
- key = (struct wpa_eapol_key *) (hdr + 1);
+ hdr = (const struct ieee802_1x_hdr *) buf;
plen = be_to_host16(hdr->length);
data_len = plen + sizeof(*hdr);
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
ret = 0;
goto out;
}
+ wpa_hexdump(MSG_MSGDUMP, "WPA: RX EAPOL-Key", buf, len);
if (plen > len - sizeof(*hdr) || plen < sizeof(*key)) {
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
"WPA: EAPOL frame payload size %lu "
ret = 0;
goto out;
}
+ if (data_len < len) {
+ wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
+ "WPA: ignoring %lu bytes after the IEEE 802.1X data",
+ (unsigned long) len - data_len);
+ }
+
+ /*
+ * Make a copy of the frame since we need to modify the buffer during
+ * MAC validation and Key Data decryption.
+ */
+ tmp = os_malloc(data_len);
+ if (tmp == NULL)
+ goto out;
+ os_memcpy(tmp, buf, data_len);
+ key = (struct wpa_eapol_key *) (tmp + sizeof(struct ieee802_1x_hdr));
+ key_data = (u8 *) (key + 1);
if (key->type != EAPOL_KEY_TYPE_WPA && key->type != EAPOL_KEY_TYPE_RSN)
{
}
wpa_eapol_key_dump(sm, key);
- eapol_sm_notify_lower_layer_success(sm->eapol, 0);
- wpa_hexdump(MSG_MSGDUMP, "WPA: RX EAPOL-Key", tmp, len);
- if (data_len < len) {
- wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG,
- "WPA: ignoring %lu bytes after the IEEE 802.1X data",
- (unsigned long) len - data_len);
+ key_data_len = WPA_GET_BE16(key->key_data_length);
+ if (key_data_len > plen - sizeof(struct wpa_eapol_key)) {
+ wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Invalid EAPOL-Key "
+ "frame - key_data overflow (%u > %u)",
+ (unsigned int) key_data_len,
+ (unsigned int) (plen - sizeof(struct wpa_eapol_key)));
+ goto out;
}
+
+ eapol_sm_notify_lower_layer_success(sm->eapol, 0);
key_info = WPA_GET_BE16(key->key_info);
ver = key_info & WPA_KEY_INFO_TYPE_MASK;
if (ver != WPA_KEY_INFO_TYPE_HMAC_MD5_RC4 &&
wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
"WPA: Backwards compatibility: allow invalid "
"version for non-CCMP group keys");
+ } else if (ver == WPA_KEY_INFO_TYPE_AES_128_CMAC) {
+ wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
+ "WPA: Interoperability workaround: allow incorrect (should have been HMAC-SHA1), but stronger (is AES-128-CMAC), descriptor version to be used");
} else
goto out;
- }
- if (sm->pairwise_cipher == WPA_CIPHER_GCMP &&
- ver != WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
+ } else if (sm->pairwise_cipher == WPA_CIPHER_GCMP &&
+ ver != WPA_KEY_INFO_TYPE_HMAC_SHA1_AES) {
wpa_msg(sm->ctx->msg_ctx, MSG_INFO,
"WPA: GCMP is used, but EAPOL-Key "
"descriptor version (%d) is not 2", ver);
goto out;
#endif /* CONFIG_PEERKEY */
- extra_len = data_len - sizeof(*hdr) - sizeof(*key);
-
- if (WPA_GET_BE16(key->key_data_length) > extra_len) {
- wpa_msg(sm->ctx->msg_ctx, MSG_INFO, "WPA: Invalid EAPOL-Key "
- "frame - key_data overflow (%d > %lu)",
- WPA_GET_BE16(key->key_data_length),
- (unsigned long) extra_len);
- goto out;
- }
- extra_len = WPA_GET_BE16(key->key_data_length);
-
if ((sm->proto == WPA_PROTO_RSN || sm->proto == WPA_PROTO_OSEN) &&
(key_info & WPA_KEY_INFO_ENCR_KEY_DATA)) {
- if (wpa_supplicant_decrypt_key_data(sm, key, ver))
+ if (wpa_supplicant_decrypt_key_data(sm, key, ver, key_data,
+ &key_data_len))
goto out;
- extra_len = WPA_GET_BE16(key->key_data_length);
}
if (key_info & WPA_KEY_INFO_KEY_TYPE) {
}
if (peerkey) {
/* PeerKey 4-Way Handshake */
- peerkey_rx_eapol_4way(sm, peerkey, key, key_info, ver);
+ peerkey_rx_eapol_4way(sm, peerkey, key, key_info, ver,
+ key_data, key_data_len);
} else if (key_info & WPA_KEY_INFO_MIC) {
/* 3/4 4-Way Handshake */
- wpa_supplicant_process_3_of_4(sm, key, ver);
+ wpa_supplicant_process_3_of_4(sm, key, ver, key_data,
+ key_data_len);
} else {
/* 1/4 4-Way Handshake */
wpa_supplicant_process_1_of_4(sm, src_addr, key,
- ver);
+ ver, key_data,
+ key_data_len);
}
} else if (key_info & WPA_KEY_INFO_SMK_MESSAGE) {
/* PeerKey SMK Handshake */
- peerkey_rx_eapol_smk(sm, src_addr, key, extra_len, key_info,
+ peerkey_rx_eapol_smk(sm, src_addr, key, key_data_len, key_info,
ver);
} else {
if (key_info & WPA_KEY_INFO_MIC) {
/* 1/2 Group Key Handshake */
wpa_supplicant_process_1_of_2(sm, src_addr, key,
- extra_len, ver);
+ key_data, key_data_len,
+ ver);
} else {
wpa_msg(sm->ctx->msg_ctx, MSG_WARNING,
"WPA: EAPOL-Key (Group) without Mic bit - "
WPA_AUTH_KEY_MGMT_CCKM);
case WPA_KEY_MGMT_WPA_NONE:
return WPA_AUTH_KEY_MGMT_NONE;
+ case WPA_KEY_MGMT_IEEE8021X_SUITE_B:
+ return RSN_AUTH_KEY_MGMT_802_1X_SUITE_B;
default:
return 0;
}
*/
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Clear old PTK");
sm->ptk_set = 0;
+ os_memset(&sm->ptk, 0, sizeof(sm->ptk));
sm->tptk_set = 0;
+ os_memset(&sm->tptk, 0, sizeof(sm->tptk));
}
#ifdef CONFIG_TDLS
* @sm: Pointer to WPA state machine data from wpa_sm_init()
* @pmk: The new PMK
* @pmk_len: The length of the new PMK in bytes
+ * @bssid: AA to add into PMKSA cache or %NULL to not cache the PMK
*
* Configure the PMK for WPA state machine.
*/
-void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len)
+void wpa_sm_set_pmk(struct wpa_sm *sm, const u8 *pmk, size_t pmk_len,
+ const u8 *bssid)
{
if (sm == NULL)
return;
sm->xxkey_len = pmk_len;
os_memcpy(sm->xxkey, pmk, pmk_len);
#endif /* CONFIG_IEEE80211R */
+
+ if (bssid) {
+ pmksa_cache_add(sm->pmksa, pmk, pmk_len, NULL, 0,
+ bssid, sm->own_addr,
+ sm->network_ctx, sm->key_mgmt);
+ }
}
/**
- * wpa_sm_get_param - Get WPA state machine parameters
- * @sm: Pointer to WPA state machine data from wpa_sm_init()
- * @param: Parameter field
- * Returns: Parameter value
- */
-unsigned int wpa_sm_get_param(struct wpa_sm *sm, enum wpa_sm_conf_params param)
-{
- if (sm == NULL)
- return 0;
-
- switch (param) {
- case RSNA_PMK_LIFETIME:
- return sm->dot11RSNAConfigPMKLifetime;
- case RSNA_PMK_REAUTH_THRESHOLD:
- return sm->dot11RSNAConfigPMKReauthThreshold;
- case RSNA_SA_TIMEOUT:
- return sm->dot11RSNAConfigSATimeout;
- case WPA_PARAM_PROTO:
- return sm->proto;
- case WPA_PARAM_PAIRWISE:
- return sm->pairwise_cipher;
- case WPA_PARAM_GROUP:
- return sm->group_cipher;
- case WPA_PARAM_KEY_MGMT:
- return sm->key_mgmt;
-#ifdef CONFIG_IEEE80211W
- case WPA_PARAM_MGMT_GROUP:
- return sm->mgmt_group_cipher;
-#endif /* CONFIG_IEEE80211W */
- case WPA_PARAM_RSN_ENABLED:
- return sm->rsn_enabled;
- default:
- return 0;
- }
-}
-
-
-/**
* wpa_sm_get_status - Get WPA state machine
* @sm: Pointer to WPA state machine data from wpa_sm_init()
* @buf: Buffer for status information
}
+#ifdef CONFIG_TESTING_OPTIONS
void wpa_sm_drop_sa(struct wpa_sm *sm)
{
wpa_dbg(sm->ctx->msg_ctx, MSG_DEBUG, "WPA: Clear old PMK and PTK");
os_memset(&sm->ptk, 0, sizeof(sm->ptk));
os_memset(&sm->tptk, 0, sizeof(sm->tptk));
}
+#endif /* CONFIG_TESTING_OPTIONS */
int wpa_sm_has_ptk(struct wpa_sm *sm)
#ifdef CONFIG_WNM
int wpa_wnmsleep_install_key(struct wpa_sm *sm, u8 subelem_id, u8 *buf)
{
- struct wpa_gtk_data gd;
-#ifdef CONFIG_IEEE80211W
- struct wpa_igtk_kde igd;
- u16 keyidx;
-#endif /* CONFIG_IEEE80211W */
u16 keyinfo;
u8 keylen; /* plaintext key len */
u8 *key_rsc;
- os_memset(&gd, 0, sizeof(gd));
-#ifdef CONFIG_IEEE80211W
- os_memset(&igd, 0, sizeof(igd));
-#endif /* CONFIG_IEEE80211W */
-
- keylen = wpa_cipher_key_len(sm->group_cipher);
- gd.key_rsc_len = wpa_cipher_rsc_len(sm->group_cipher);
- gd.alg = wpa_cipher_to_alg(sm->group_cipher);
- if (gd.alg == WPA_ALG_NONE) {
- wpa_printf(MSG_DEBUG, "Unsupported group cipher suite");
- return -1;
- }
-
if (subelem_id == WNM_SLEEP_SUBELEM_GTK) {
+ struct wpa_gtk_data gd;
+
+ os_memset(&gd, 0, sizeof(gd));
+ keylen = wpa_cipher_key_len(sm->group_cipher);
+ gd.key_rsc_len = wpa_cipher_rsc_len(sm->group_cipher);
+ gd.alg = wpa_cipher_to_alg(sm->group_cipher);
+ if (gd.alg == WPA_ALG_NONE) {
+ wpa_printf(MSG_DEBUG, "Unsupported group cipher suite");
+ return -1;
+ }
+
key_rsc = buf + 5;
keyinfo = WPA_GET_LE16(buf + 2);
gd.gtk_len = keylen;
wpa_hexdump_key(MSG_DEBUG, "Install GTK (WNM SLEEP)",
gd.gtk, gd.gtk_len);
if (wpa_supplicant_install_gtk(sm, &gd, key_rsc)) {
+ os_memset(&gd, 0, sizeof(gd));
wpa_printf(MSG_DEBUG, "Failed to install the GTK in "
"WNM mode");
return -1;
}
+ os_memset(&gd, 0, sizeof(gd));
#ifdef CONFIG_IEEE80211W
} else if (subelem_id == WNM_SLEEP_SUBELEM_IGTK) {
+ struct wpa_igtk_kde igd;
+ u16 keyidx;
+
+ os_memset(&igd, 0, sizeof(igd));
keylen = wpa_cipher_key_len(sm->mgmt_group_cipher);
os_memcpy(igd.keyid, buf + 2, 2);
os_memcpy(igd.pn, buf + 4, 6);
igd.igtk, keylen) < 0) {
wpa_printf(MSG_DEBUG, "Failed to install the IGTK in "
"WNM mode");
+ os_memset(&igd, 0, sizeof(igd));
return -1;
}
+ os_memset(&igd, 0, sizeof(igd));
#endif /* CONFIG_IEEE80211W */
} else {
wpa_printf(MSG_DEBUG, "Unknown element id");
}
#endif /* CONFIG_P2P */
+
+
+void wpa_sm_set_rx_replay_ctr(struct wpa_sm *sm, const u8 *rx_replay_counter)
+{
+ if (rx_replay_counter == NULL)
+ return;
+
+ os_memcpy(sm->rx_replay_counter, rx_replay_counter,
+ WPA_REPLAY_COUNTER_LEN);
+ sm->rx_replay_counter_set = 1;
+ wpa_printf(MSG_DEBUG, "Updated key replay counter");
+}
+
+
+void wpa_sm_set_ptk_kck_kek(struct wpa_sm *sm, const u8 *ptk_kck,
+ const u8 *ptk_kek)
+{
+ if (ptk_kck) {
+ os_memcpy(sm->ptk.kck, ptk_kck, 16);
+ wpa_printf(MSG_DEBUG, "Updated PTK KCK");
+ }
+ if (ptk_kek) {
+ os_memcpy(sm->ptk.kek, ptk_kek, 16);
+ wpa_printf(MSG_DEBUG, "Updated PTK KEK");
+ }
+ sm->ptk_set = 1;
+}
projects / mech_eap.git / blobdiff