/*
* wpa_supplicant - WPA/RSN IE and KDE processing
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2018, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
{
if (wpa_ie_len >= 1 && wpa_ie[0] == WLAN_EID_RSN)
return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data);
+ if (wpa_ie_len >= 6 && wpa_ie[0] == WLAN_EID_VENDOR_SPECIFIC &&
+ wpa_ie[1] >= 4 && WPA_GET_BE32(&wpa_ie[2]) == OSEN_IE_VENDOR_TYPE)
+ return wpa_parse_wpa_ie_rsn(wpa_ie, wpa_ie_len, data);
else
return wpa_parse_wpa_ie_wpa(wpa_ie, wpa_ie_len, data);
}
#ifdef CONFIG_IEEE80211R
} else if (key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X);
+#ifdef CONFIG_SHA384
+ } else if (key_mgmt == WPA_KEY_MGMT_FT_IEEE8021X_SHA384) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_802_1X_SHA384);
+#endif /* CONFIG_SHA384 */
} else if (key_mgmt == WPA_KEY_MGMT_FT_PSK) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_PSK);
#endif /* CONFIG_IEEE80211R */
-#ifdef CONFIG_IEEE80211W
} else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SHA256) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SHA256);
} else if (key_mgmt == WPA_KEY_MGMT_PSK_SHA256) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_PSK_SHA256);
-#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_SAE
} else if (key_mgmt == WPA_KEY_MGMT_SAE) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_SAE);
} else if (key_mgmt == WPA_KEY_MGMT_FT_SAE) {
RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_SAE);
#endif /* CONFIG_SAE */
+ } else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B_192);
+ } else if (key_mgmt == WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_802_1X_SUITE_B);
+#ifdef CONFIG_FILS
+ } else if (key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FILS_SHA256);
+ } else if (key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FILS_SHA384);
+#ifdef CONFIG_IEEE80211R
+ } else if (key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_FILS_SHA256);
+ } else if (key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_FT_FILS_SHA384);
+#endif /* CONFIG_IEEE80211R */
+#endif /* CONFIG_FILS */
+#ifdef CONFIG_OWE
+ } else if (key_mgmt & WPA_KEY_MGMT_OWE) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_OWE);
+#endif /* CONFIG_OWE */
+#ifdef CONFIG_DPP
+ } else if (key_mgmt & WPA_KEY_MGMT_DPP) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_DPP);
+#endif /* CONFIG_DPP */
+#ifdef CONFIG_HS20
+ } else if (key_mgmt & WPA_KEY_MGMT_OSEN) {
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_OSEN);
+#endif /* CONFIG_HS20 */
} else {
wpa_printf(MSG_WARNING, "Invalid key management type (%d).",
key_mgmt);
/* RSN Capabilities */
capab = 0;
-#ifdef CONFIG_IEEE80211W
if (sm->mfp)
capab |= WPA_CAPABILITY_MFPC;
if (sm->mfp == 2)
capab |= WPA_CAPABILITY_MFPR;
-#endif /* CONFIG_IEEE80211W */
+ if (sm->ocv)
+ capab |= WPA_CAPABILITY_OCVC;
+ if (sm->ext_key_id)
+ capab |= WPA_CAPABILITY_EXT_KEY_ID_FOR_UNICAST;
WPA_PUT_LE16(pos, capab);
pos += 2;
pos += PMKID_LEN;
}
-#ifdef CONFIG_IEEE80211W
- if (mgmt_group_cipher == WPA_CIPHER_AES_128_CMAC) {
+ if (wpa_cipher_valid_mgmt_group(mgmt_group_cipher)) {
if (!sm->cur_pmksa) {
/* PMKID Count */
WPA_PUT_LE16(pos, 0);
}
/* Management Group Cipher Suite */
- RSN_SELECTOR_PUT(pos, RSN_CIPHER_SUITE_AES_128_CMAC);
+ RSN_SELECTOR_PUT(pos, wpa_cipher_to_suite(WPA_PROTO_RSN,
+ mgmt_group_cipher));
pos += RSN_SELECTOR_LEN;
}
-#endif /* CONFIG_IEEE80211W */
hdr->len = (pos - rsn_ie) - 2;
}
+#ifdef CONFIG_HS20
+static int wpa_gen_wpa_ie_osen(u8 *wpa_ie, size_t wpa_ie_len,
+ int pairwise_cipher, int group_cipher,
+ int key_mgmt)
+{
+ u8 *pos, *len;
+ u32 suite;
+
+ if (wpa_ie_len < 2 + 4 + RSN_SELECTOR_LEN +
+ 2 + RSN_SELECTOR_LEN + 2 + RSN_SELECTOR_LEN)
+ return -1;
+
+ pos = wpa_ie;
+ *pos++ = WLAN_EID_VENDOR_SPECIFIC;
+ len = pos++; /* to be filled */
+ WPA_PUT_BE24(pos, OUI_WFA);
+ pos += 3;
+ *pos++ = HS20_OSEN_OUI_TYPE;
+
+ /* Group Data Cipher Suite */
+ suite = wpa_cipher_to_suite(WPA_PROTO_RSN, group_cipher);
+ if (suite == 0) {
+ wpa_printf(MSG_WARNING, "Invalid group cipher (%d).",
+ group_cipher);
+ return -1;
+ }
+ RSN_SELECTOR_PUT(pos, suite);
+ pos += RSN_SELECTOR_LEN;
+
+ /* Pairwise Cipher Suite Count and List */
+ WPA_PUT_LE16(pos, 1);
+ pos += 2;
+ suite = wpa_cipher_to_suite(WPA_PROTO_RSN, pairwise_cipher);
+ if (suite == 0 ||
+ (!wpa_cipher_valid_pairwise(pairwise_cipher) &&
+ pairwise_cipher != WPA_CIPHER_NONE)) {
+ wpa_printf(MSG_WARNING, "Invalid pairwise cipher (%d).",
+ pairwise_cipher);
+ return -1;
+ }
+ RSN_SELECTOR_PUT(pos, suite);
+ pos += RSN_SELECTOR_LEN;
+
+ /* AKM Suite Count and List */
+ WPA_PUT_LE16(pos, 1);
+ pos += 2;
+ RSN_SELECTOR_PUT(pos, RSN_AUTH_KEY_MGMT_OSEN);
+ pos += RSN_SELECTOR_LEN;
+
+ *len = pos - len - 1;
+
+ WPA_ASSERT((size_t) (pos - wpa_ie) <= wpa_ie_len);
+
+ return pos - wpa_ie;
+}
+#endif /* CONFIG_HS20 */
+
+
/**
* wpa_gen_wpa_ie - Generate WPA/RSN IE based on current security policy
* @sm: Pointer to WPA state machine data from wpa_sm_init()
sm->group_cipher,
sm->key_mgmt, sm->mgmt_group_cipher,
sm);
+#ifdef CONFIG_HS20
+ else if (sm->proto == WPA_PROTO_OSEN)
+ return wpa_gen_wpa_ie_osen(wpa_ie, wpa_ie_len,
+ sm->pairwise_cipher,
+ sm->group_cipher,
+ sm->key_mgmt);
+#endif /* CONFIG_HS20 */
else
return wpa_gen_wpa_ie_wpa(wpa_ie, wpa_ie_len,
sm->pairwise_cipher,
}
-/**
- * wpa_parse_generic - Parse EAPOL-Key Key Data Generic IEs
- * @pos: Pointer to the IE header
- * @end: Pointer to the end of the Key Data buffer
- * @ie: Pointer to parsed IE data
- * Returns: 0 on success, 1 if end mark is found, -1 on failure
- */
-static int wpa_parse_generic(const u8 *pos, const u8 *end,
- struct wpa_eapol_ie_parse *ie)
+int wpa_gen_rsnxe(struct wpa_sm *sm, u8 *rsnxe, size_t rsnxe_len)
{
- if (pos[1] == 0)
- return 1;
-
- if (pos[1] >= 6 &&
- RSN_SELECTOR_GET(pos + 2) == WPA_OUI_TYPE &&
- pos[2 + WPA_SELECTOR_LEN] == 1 &&
- pos[2 + WPA_SELECTOR_LEN + 1] == 0) {
- ie->wpa_ie = pos;
- ie->wpa_ie_len = pos[1] + 2;
- wpa_hexdump(MSG_DEBUG, "WPA: WPA IE in EAPOL-Key",
- ie->wpa_ie, ie->wpa_ie_len);
- return 0;
- }
-
- if (pos + 1 + RSN_SELECTOR_LEN < end &&
- pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) {
- ie->pmkid = pos + 2 + RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: PMKID in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_GROUPKEY) {
- ie->gtk = pos + 2 + RSN_SELECTOR_LEN;
- ie->gtk_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump_key(MSG_DEBUG, "WPA: GTK in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_MAC_ADDR) {
- ie->mac_addr = pos + 2 + RSN_SELECTOR_LEN;
- ie->mac_addr_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: MAC Address in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-
-#ifdef CONFIG_PEERKEY
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_SMK) {
- ie->smk = pos + 2 + RSN_SELECTOR_LEN;
- ie->smk_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump_key(MSG_DEBUG, "WPA: SMK in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_NONCE) {
- ie->nonce = pos + 2 + RSN_SELECTOR_LEN;
- ie->nonce_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: Nonce in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_LIFETIME) {
- ie->lifetime = pos + 2 + RSN_SELECTOR_LEN;
- ie->lifetime_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: Lifetime in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
+ u8 *pos = rsnxe;
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_ERROR) {
- ie->error = pos + 2 + RSN_SELECTOR_LEN;
- ie->error_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: Error in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-#endif /* CONFIG_PEERKEY */
-
-#ifdef CONFIG_IEEE80211W
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_IGTK) {
- ie->igtk = pos + 2 + RSN_SELECTOR_LEN;
- ie->igtk_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump_key(MSG_DEBUG, "WPA: IGTK in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-#endif /* CONFIG_IEEE80211W */
-
- return 0;
-}
+ if (!wpa_key_mgmt_sae(sm->key_mgmt))
+ return 0; /* SAE not in use */
+ if (sm->sae_pwe != 1 && sm->sae_pwe != 2)
+ return 0; /* no supported extended RSN capabilities */
+ if (rsnxe_len < 3)
+ return -1;
-/**
- * wpa_supplicant_parse_ies - Parse EAPOL-Key Key Data IEs
- * @buf: Pointer to the Key Data buffer
- * @len: Key Data Length
- * @ie: Pointer to parsed IE data
- * Returns: 0 on success, -1 on failure
- */
-int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
- struct wpa_eapol_ie_parse *ie)
-{
- const u8 *pos, *end;
- int ret = 0;
-
- os_memset(ie, 0, sizeof(*ie));
- for (pos = buf, end = pos + len; pos + 1 < end; pos += 2 + pos[1]) {
- if (pos[0] == 0xdd &&
- ((pos == buf + len - 1) || pos[1] == 0)) {
- /* Ignore padding */
- break;
- }
- if (pos + 2 + pos[1] > end) {
- wpa_printf(MSG_DEBUG, "WPA: EAPOL-Key Key Data "
- "underflow (ie=%d len=%d pos=%d)",
- pos[0], pos[1], (int) (pos - buf));
- wpa_hexdump_key(MSG_DEBUG, "WPA: Key Data",
- buf, len);
- ret = -1;
- break;
- }
- if (*pos == WLAN_EID_RSN) {
- ie->rsn_ie = pos;
- ie->rsn_ie_len = pos[1] + 2;
- wpa_hexdump(MSG_DEBUG, "WPA: RSN IE in EAPOL-Key",
- ie->rsn_ie, ie->rsn_ie_len);
- } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) {
- ie->mdie = pos;
- ie->mdie_len = pos[1] + 2;
- wpa_hexdump(MSG_DEBUG, "WPA: MDIE in EAPOL-Key",
- ie->mdie, ie->mdie_len);
- } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) {
- ie->ftie = pos;
- ie->ftie_len = pos[1] + 2;
- wpa_hexdump(MSG_DEBUG, "WPA: FTIE in EAPOL-Key",
- ie->ftie, ie->ftie_len);
- } else if (*pos == WLAN_EID_TIMEOUT_INTERVAL && pos[1] >= 5) {
- if (pos[2] == WLAN_TIMEOUT_REASSOC_DEADLINE) {
- ie->reassoc_deadline = pos;
- wpa_hexdump(MSG_DEBUG, "WPA: Reassoc Deadline "
- "in EAPOL-Key",
- ie->reassoc_deadline, pos[1] + 2);
- } else if (pos[2] == WLAN_TIMEOUT_KEY_LIFETIME) {
- ie->key_lifetime = pos;
- wpa_hexdump(MSG_DEBUG, "WPA: KeyLifetime "
- "in EAPOL-Key",
- ie->key_lifetime, pos[1] + 2);
- } else {
- wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized "
- "EAPOL-Key Key Data IE",
- pos, 2 + pos[1]);
- }
- } else if (*pos == WLAN_EID_LINK_ID) {
- if (pos[1] >= 18) {
- ie->lnkid = pos;
- ie->lnkid_len = pos[1] + 2;
- }
- } else if (*pos == WLAN_EID_EXT_CAPAB) {
- ie->ext_capab = pos;
- ie->ext_capab_len = pos[1] + 2;
- } else if (*pos == WLAN_EID_SUPP_RATES) {
- ie->supp_rates = pos;
- ie->supp_rates_len = pos[1] + 2;
- } else if (*pos == WLAN_EID_EXT_SUPP_RATES) {
- ie->ext_supp_rates = pos;
- ie->ext_supp_rates_len = pos[1] + 2;
- } else if (*pos == WLAN_EID_HT_CAP) {
- ie->ht_capabilities = pos + 2;
- ie->ht_capabilities_len = pos[1];
- } else if (*pos == WLAN_EID_VHT_AID) {
- if (pos[1] >= 2)
- ie->aid = WPA_GET_LE16(pos + 2);
- } else if (*pos == WLAN_EID_VHT_CAP) {
- ie->vht_capabilities = pos + 2;
- ie->vht_capabilities_len = pos[1];
- } else if (*pos == WLAN_EID_QOS && pos[1] >= 1) {
- ie->qosinfo = pos[2];
- } else if (*pos == WLAN_EID_SUPPORTED_CHANNELS) {
- ie->supp_channels = pos + 2;
- ie->supp_channels_len = pos[1];
- } else if (*pos == WLAN_EID_SUPPORTED_OPERATING_CLASSES) {
- ie->supp_oper_classes = pos + 2;
- ie->supp_oper_classes_len = pos[1];
- } else if (*pos == WLAN_EID_VENDOR_SPECIFIC) {
- ret = wpa_parse_generic(pos, end, ie);
- if (ret < 0)
- break;
- if (ret > 0) {
- ret = 0;
- break;
- }
- } else {
- wpa_hexdump(MSG_DEBUG, "WPA: Unrecognized EAPOL-Key "
- "Key Data IE", pos, 2 + pos[1]);
- }
- }
+ *pos++ = WLAN_EID_RSNX;
+ *pos++ = 1;
+ /* bits 0-3 = 0 since only one octet of Extended RSN Capabilities is
+ * used for now */
+ *pos++ = BIT(WLAN_RSNX_CAPAB_SAE_H2E);
- return ret;
+ return pos - rsnxe;
}
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