#endif /* CONFIG_HS20 */
-/**
- * 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)
-{
- 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;
- return 0;
- }
-
- if (pos[1] >= 4 && WPA_GET_BE32(pos + 2) == OSEN_IE_VENDOR_TYPE) {
- ie->osen = pos;
- ie->osen_len = pos[1] + 2;
- return 0;
- }
-
- if (1 + RSN_SELECTOR_LEN < end - pos &&
- pos[1] >= RSN_SELECTOR_LEN + PMKID_LEN &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_PMKID) {
- ie->pmkid = pos + 2 + RSN_SELECTOR_LEN;
- 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;
- 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;
- return 0;
- }
-
- 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;
- return 0;
- }
-
-#ifdef CONFIG_P2P
- if (pos[1] >= RSN_SELECTOR_LEN + 1 &&
- RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) {
- ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key",
- ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN);
- return 0;
- }
-
- if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 &&
- RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) {
- ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG,
- "WPA: IP Address Allocation in EAPOL-Key",
- ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN);
- return 0;
- }
-#endif /* CONFIG_P2P */
-
-#ifdef CONFIG_OCV
- if (pos[1] > RSN_SELECTOR_LEN + 2 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_OCI) {
- ie->oci = pos + 2 + RSN_SELECTOR_LEN;
- ie->oci_len = pos[1] - RSN_SELECTOR_LEN;
- return 0;
- }
-#endif /* CONFIG_OCV */
-
- return 0;
-}
-
-
-/**
- * wpa_parse_kde_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_parse_kde_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; end - pos > 1; pos += 2 + pos[1]) {
- if (pos[0] == 0xdd &&
- ((pos == buf + len - 1) || pos[1] == 0)) {
- /* Ignore padding */
- break;
- }
- if (2 + pos[1] > end - pos) {
- 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;
- } else if (*pos == WLAN_EID_RSNX) {
- ie->rsnxe = pos;
- ie->rsnxe_len = pos[1] + 2;
-#ifdef CONFIG_IEEE80211R_AP
- } else if (*pos == WLAN_EID_MOBILITY_DOMAIN) {
- ie->mdie = pos;
- ie->mdie_len = pos[1] + 2;
- } else if (*pos == WLAN_EID_FAST_BSS_TRANSITION) {
- ie->ftie = pos;
- ie->ftie_len = pos[1] + 2;
-#endif /* CONFIG_IEEE80211R_AP */
- } 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]);
- }
- }
-
- return ret;
-}
-
-
int wpa_auth_uses_mfp(struct wpa_state_machine *sm)
{
return sm ? sm->mgmt_frame_prot : 0;
#ifndef WPA_AUTH_IE_H
#define WPA_AUTH_IE_H
-struct wpa_eapol_ie_parse {
- const u8 *wpa_ie;
- size_t wpa_ie_len;
- const u8 *rsn_ie;
- size_t rsn_ie_len;
- const u8 *pmkid;
- const u8 *gtk;
- size_t gtk_len;
- const u8 *mac_addr;
- size_t mac_addr_len;
- const u8 *igtk;
- size_t igtk_len;
-#ifdef CONFIG_IEEE80211R_AP
- const u8 *mdie;
- size_t mdie_len;
- const u8 *ftie;
- size_t ftie_len;
-#endif /* CONFIG_IEEE80211R_AP */
-#ifdef CONFIG_P2P
- const u8 *ip_addr_req;
- const u8 *ip_addr_alloc;
-#endif /* CONFIG_P2P */
-#ifdef CONFIG_OCV
- const u8 *oci;
- size_t oci_len;
-#endif /* CONFIG_OCV */
-
- const u8 *osen;
- size_t osen_len;
- const u8 *rsnxe;
- size_t rsnxe_len;
-};
-
-int wpa_parse_kde_ies(const u8 *buf, size_t len,
- struct wpa_eapol_ie_parse *ie);
u8 * wpa_add_kde(u8 *pos, u32 kde, const u8 *data, size_t data_len,
const u8 *data2, size_t data2_len);
int wpa_auth_gen_wpa_ie(struct wpa_authenticator *wpa_auth);
return 0;
}
#endif /* CONFIG_FILS */
+
+
+/**
+ * wpa_parse_vendor_specific - Parse Vendor Specific 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_vendor_specific(const u8 *pos, const u8 *end,
+ struct wpa_eapol_ie_parse *ie)
+{
+ unsigned int oui;
+
+ if (pos[1] < 4) {
+ wpa_printf(MSG_MSGDUMP,
+ "Too short vendor specific IE ignored (len=%u)",
+ pos[1]);
+ return 1;
+ }
+
+ oui = WPA_GET_BE24(&pos[2]);
+ if (oui == OUI_MICROSOFT && pos[5] == WMM_OUI_TYPE && pos[1] > 4) {
+ if (pos[6] == WMM_OUI_SUBTYPE_INFORMATION_ELEMENT) {
+ ie->wmm = &pos[2];
+ ie->wmm_len = pos[1];
+ wpa_hexdump(MSG_DEBUG, "WPA: WMM IE",
+ ie->wmm, ie->wmm_len);
+ } else if (pos[6] == WMM_OUI_SUBTYPE_PARAMETER_ELEMENT) {
+ ie->wmm = &pos[2];
+ ie->wmm_len = pos[1];
+ wpa_hexdump(MSG_DEBUG, "WPA: WMM Parameter Element",
+ ie->wmm, ie->wmm_len);
+ }
+ }
+ return 0;
+}
+
+
+/**
+ * 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)
+{
+ 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] >= 4 && WPA_GET_BE32(pos + 2) == OSEN_IE_VENDOR_TYPE) {
+ ie->osen = pos;
+ ie->osen_len = pos[1] + 2;
+ return 0;
+ }
+
+ if (1 + RSN_SELECTOR_LEN < end - pos &&
+ 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;
+ }
+
+ 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;
+ }
+
+ if (pos[1] >= RSN_SELECTOR_LEN + 1 &&
+ RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) {
+ ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN;
+ wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key",
+ ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN);
+ return 0;
+ }
+
+ if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 &&
+ RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) {
+ ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN;
+ wpa_hexdump(MSG_DEBUG,
+ "WPA: IP Address Allocation in EAPOL-Key",
+ ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN);
+ return 0;
+ }
+
+ if (pos[1] > RSN_SELECTOR_LEN + 2 &&
+ RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_OCI) {
+ ie->oci = pos + 2 + RSN_SELECTOR_LEN;
+ ie->oci_len = pos[1] - RSN_SELECTOR_LEN;
+ wpa_hexdump(MSG_DEBUG, "WPA: OCI KDE in EAPOL-Key",
+ pos, pos[1] + 2);
+ return 0;
+ }
+
+ return 0;
+}
+
+
+/**
+ * wpa_parse_kde_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_parse_kde_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; end - pos > 1; pos += 2 + pos[1]) {
+ if (pos[0] == 0xdd &&
+ ((pos == buf + len - 1) || pos[1] == 0)) {
+ /* Ignore padding */
+ break;
+ }
+ if (2 + pos[1] > end - pos) {
+ 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_RSNX) {
+ ie->rsnxe = pos;
+ ie->rsnxe_len = pos[1] + 2;
+ wpa_hexdump(MSG_DEBUG, "WPA: RSNXE in EAPOL-Key",
+ ie->rsnxe, ie->rsnxe_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 &&
+ pos[1] >= sizeof(struct ieee80211_ht_capabilities)) {
+ ie->ht_capabilities = pos + 2;
+ } else if (*pos == WLAN_EID_VHT_AID) {
+ if (pos[1] >= 2)
+ ie->aid = WPA_GET_LE16(pos + 2) & 0x3fff;
+ } else if (*pos == WLAN_EID_VHT_CAP &&
+ pos[1] >= sizeof(struct ieee80211_vht_capabilities))
+ {
+ ie->vht_capabilities = pos + 2;
+ } 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) {
+ /*
+ * The value of the Length field of the Supported
+ * Operating Classes element is between 2 and 253.
+ * Silently skip invalid elements to avoid interop
+ * issues when trying to use the value.
+ */
+ if (pos[1] >= 2 && pos[1] <= 253) {
+ 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;
+ }
+
+ ret = wpa_parse_vendor_specific(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]);
+ }
+ }
+
+ return ret;
+}
int wpa_ft_parse_ies(const u8 *ies, size_t ies_len, struct wpa_ft_ies *parse,
int use_sha384);
+struct wpa_eapol_ie_parse {
+ const u8 *wpa_ie;
+ size_t wpa_ie_len;
+ const u8 *rsn_ie;
+ size_t rsn_ie_len;
+ const u8 *pmkid;
+ const u8 *gtk;
+ size_t gtk_len;
+ const u8 *mac_addr;
+ size_t mac_addr_len;
+ const u8 *igtk;
+ size_t igtk_len;
+ const u8 *mdie;
+ size_t mdie_len;
+ const u8 *ftie;
+ size_t ftie_len;
+ const u8 *ip_addr_req;
+ const u8 *ip_addr_alloc;
+ const u8 *oci;
+ size_t oci_len;
+ const u8 *osen;
+ size_t osen_len;
+ const u8 *rsnxe;
+ size_t rsnxe_len;
+ const u8 *reassoc_deadline;
+ const u8 *key_lifetime;
+ const u8 *lnkid;
+ size_t lnkid_len;
+ const u8 *ext_capab;
+ size_t ext_capab_len;
+ const u8 *supp_rates;
+ size_t supp_rates_len;
+ const u8 *ext_supp_rates;
+ size_t ext_supp_rates_len;
+ const u8 *ht_capabilities;
+ const u8 *vht_capabilities;
+ const u8 *supp_channels;
+ size_t supp_channels_len;
+ const u8 *supp_oper_classes;
+ size_t supp_oper_classes_len;
+ u8 qosinfo;
+ u16 aid;
+ const u8 *wmm;
+ size_t wmm_len;
+};
+
+int wpa_parse_kde_ies(const u8 *buf, size_t len, struct wpa_eapol_ie_parse *ie);
+static inline int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
+ struct wpa_eapol_ie_parse *ie)
+{
+ return wpa_parse_kde_ies(buf, len, ie);
+}
+
+
int wpa_cipher_key_len(int cipher);
int wpa_cipher_rsc_len(int cipher);
enum wpa_alg wpa_cipher_to_alg(int cipher);
return pos - rsnxe;
}
-
-
-/**
- * wpa_parse_vendor_specific - Parse Vendor Specific 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_vendor_specific(const u8 *pos, const u8 *end,
- struct wpa_eapol_ie_parse *ie)
-{
- unsigned int oui;
-
- if (pos[1] < 4) {
- wpa_printf(MSG_MSGDUMP, "Too short vendor specific IE ignored (len=%u)",
- pos[1]);
- return 1;
- }
-
- oui = WPA_GET_BE24(&pos[2]);
- if (oui == OUI_MICROSOFT && pos[5] == WMM_OUI_TYPE && pos[1] > 4) {
- if (pos[6] == WMM_OUI_SUBTYPE_INFORMATION_ELEMENT) {
- ie->wmm = &pos[2];
- ie->wmm_len = pos[1];
- wpa_hexdump(MSG_DEBUG, "WPA: WMM IE",
- ie->wmm, ie->wmm_len);
- } else if (pos[6] == WMM_OUI_SUBTYPE_PARAMETER_ELEMENT) {
- ie->wmm = &pos[2];
- ie->wmm_len = pos[1];
- wpa_hexdump(MSG_DEBUG, "WPA: WMM Parameter Element",
- ie->wmm, ie->wmm_len);
- }
- }
- return 0;
-}
-
-
-/**
- * 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)
-{
- 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 (1 + RSN_SELECTOR_LEN < end - pos &&
- 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;
- }
-
- 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;
- }
-
-#ifdef CONFIG_P2P
- if (pos[1] >= RSN_SELECTOR_LEN + 1 &&
- RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_REQ) {
- ie->ip_addr_req = pos + 2 + RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: IP Address Request in EAPOL-Key",
- ie->ip_addr_req, pos[1] - RSN_SELECTOR_LEN);
- return 0;
- }
-
- if (pos[1] >= RSN_SELECTOR_LEN + 3 * 4 &&
- RSN_SELECTOR_GET(pos + 2) == WFA_KEY_DATA_IP_ADDR_ALLOC) {
- ie->ip_addr_alloc = pos + 2 + RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG,
- "WPA: IP Address Allocation in EAPOL-Key",
- ie->ip_addr_alloc, pos[1] - RSN_SELECTOR_LEN);
- return 0;
- }
-#endif /* CONFIG_P2P */
-
-#ifdef CONFIG_OCV
- if (pos[1] >= RSN_SELECTOR_LEN + 1 &&
- RSN_SELECTOR_GET(pos + 2) == RSN_KEY_DATA_OCI) {
- ie->oci = pos + 2 + RSN_SELECTOR_LEN;
- ie->oci_len = pos[1] - RSN_SELECTOR_LEN;
- wpa_hexdump(MSG_DEBUG, "WPA: OCI KDE in EAPOL-Key",
- pos, pos[1] + 2);
- return 0;
- }
-#endif /* CONFIG_OCV */
-
- return 0;
-}
-
-
-/**
- * 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; end - pos > 1; pos += 2 + pos[1]) {
- if (pos[0] == 0xdd &&
- ((pos == buf + len - 1) || pos[1] == 0)) {
- /* Ignore padding */
- break;
- }
- if (2 + pos[1] > end - pos) {
- 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_RSNX) {
- ie->rsnxe = pos;
- ie->rsnxe_len = pos[1] + 2;
- wpa_hexdump(MSG_DEBUG, "WPA: RSNXE in EAPOL-Key",
- ie->rsnxe, ie->rsnxe_len);
- } else if (*pos == WLAN_EID_MOBILITY_DOMAIN &&
- pos[1] >= sizeof(struct rsn_mdie)) {
- 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 &&
- pos[1] >= sizeof(struct rsn_ftie)) {
- 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 &&
- pos[1] >= sizeof(struct ieee80211_ht_capabilities)) {
- ie->ht_capabilities = pos + 2;
- } else if (*pos == WLAN_EID_VHT_AID) {
- if (pos[1] >= 2)
- ie->aid = WPA_GET_LE16(pos + 2) & 0x3fff;
- } else if (*pos == WLAN_EID_VHT_CAP &&
- pos[1] >= sizeof(struct ieee80211_vht_capabilities))
- {
- ie->vht_capabilities = pos + 2;
- } 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) {
- /*
- * The value of the Length field of the Supported
- * Operating Classes element is between 2 and 253.
- * Silently skip invalid elements to avoid interop
- * issues when trying to use the value.
- */
- if (pos[1] >= 2 && pos[1] <= 253) {
- 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;
- }
-
- ret = wpa_parse_vendor_specific(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]);
- }
- }
-
- return ret;
-}
struct wpa_sm;
-struct wpa_eapol_ie_parse {
- const u8 *wpa_ie;
- size_t wpa_ie_len;
- const u8 *rsn_ie;
- size_t rsn_ie_len;
- const u8 *pmkid;
- const u8 *gtk;
- size_t gtk_len;
- const u8 *mac_addr;
- size_t mac_addr_len;
- const u8 *igtk;
- size_t igtk_len;
- const u8 *rsnxe;
- size_t rsnxe_len;
- const u8 *mdie;
- size_t mdie_len;
- const u8 *ftie;
- size_t ftie_len;
- const u8 *reassoc_deadline;
- const u8 *key_lifetime;
- const u8 *lnkid;
- size_t lnkid_len;
- const u8 *ext_capab;
- size_t ext_capab_len;
- const u8 *supp_rates;
- size_t supp_rates_len;
- const u8 *ext_supp_rates;
- size_t ext_supp_rates_len;
- const u8 *ht_capabilities;
- const u8 *vht_capabilities;
- const u8 *supp_channels;
- size_t supp_channels_len;
- const u8 *supp_oper_classes;
- size_t supp_oper_classes_len;
- u8 qosinfo;
- u16 aid;
- const u8 *wmm;
- size_t wmm_len;
-#ifdef CONFIG_P2P
- const u8 *ip_addr_req;
- const u8 *ip_addr_alloc;
-#endif /* CONFIG_P2P */
-#ifdef CONFIG_OCV
- const u8 *oci;
- size_t oci_len;
-#endif /* CONFIG_OCV */
-};
-
-int wpa_supplicant_parse_ies(const u8 *buf, size_t len,
- struct wpa_eapol_ie_parse *ie);
int wpa_gen_wpa_ie(struct wpa_sm *sm, u8 *wpa_ie, size_t wpa_ie_len);
int wpa_gen_rsnxe(struct wpa_sm *sm, u8 *rsnxe, size_t rsnxe_len);
projects / thirdparty / hostap.git / commitdiff
