#include "utils/eloop.h"
#include "common/ieee802_11_defs.h"
#include "common/ieee802_11_common.h"
+#include "common/ocv.h"
#include "eapol_supp/eapol_supp_sm.h"
#include "common/wpa_common.h"
#include "common/sae.h"
+#include "common/dpp.h"
#include "rsn_supp/wpa.h"
#include "rsn_supp/pmksa_cache.h"
#include "config.h"
static int sme_set_sae_group(struct wpa_supplicant *wpa_s)
{
int *groups = wpa_s->conf->sae_groups;
- int default_groups[] = { 19, 20, 21, 25, 26, 0 };
+ int default_groups[] = { 19, 20, 21, 0 };
if (!groups || groups[0] <= 0)
groups = default_groups;
if (sae_set_group(&wpa_s->sme.sae, group) == 0) {
wpa_dbg(wpa_s, MSG_DEBUG, "SME: Selected SAE group %d",
wpa_s->sme.sae.group);
- return 0;
+ return 0;
}
wpa_s->sme.sae_group_index++;
}
static struct wpabuf * sme_auth_build_sae_commit(struct wpa_supplicant *wpa_s,
struct wpa_ssid *ssid,
- const u8 *bssid, int external)
+ const u8 *bssid, int external,
+ int reuse)
{
struct wpabuf *buf;
size_t len;
buf = wpabuf_alloc(4 + wpabuf_len(wpa_s->sae_commit_override));
if (!buf)
return NULL;
- wpabuf_put_le16(buf, 1); /* Transaction seq# */
- wpabuf_put_le16(buf, WLAN_STATUS_SUCCESS);
+ if (!external) {
+ wpabuf_put_le16(buf, 1); /* Transaction seq# */
+ wpabuf_put_le16(buf, WLAN_STATUS_SUCCESS);
+ }
wpabuf_put_buf(buf, wpa_s->sae_commit_override);
return buf;
}
return NULL;
}
+ if (reuse && wpa_s->sme.sae.tmp &&
+ os_memcmp(bssid, wpa_s->sme.sae.tmp->bssid, ETH_ALEN) == 0) {
+ wpa_printf(MSG_DEBUG,
+ "SAE: Reuse previously generated PWE on a retry with the same AP");
+ goto reuse_data;
+ }
if (sme_set_sae_group(wpa_s) < 0) {
wpa_printf(MSG_DEBUG, "SAE: Failed to select group");
return NULL;
wpa_printf(MSG_DEBUG, "SAE: Could not pick PWE");
return NULL;
}
+ if (wpa_s->sme.sae.tmp)
+ os_memcpy(wpa_s->sme.sae.tmp->bssid, bssid, ETH_ALEN);
+reuse_data:
len = wpa_s->sme.sae_token ? wpabuf_len(wpa_s->sme.sae_token) : 0;
if (ssid->sae_password_id)
len += 4 + os_strlen(ssid->sae_password_id);
u8 ext_capab[18];
int ext_capab_len;
int skip_auth;
+ u8 *wpa_ie;
+ size_t wpa_ie_len;
+#ifdef CONFIG_MBO
+ const u8 *mbo_ie;
+#endif /* CONFIG_MBO */
if (bss == NULL) {
wpa_msg(wpa_s, MSG_ERROR, "SME: No scan result available for "
if (!rsn) {
wpa_dbg(wpa_s, MSG_DEBUG,
"SAE enabled, but target BSS does not advertise RSN");
+#ifdef CONFIG_DPP
+ } else if (wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 &&
+ (ssid->key_mgmt & WPA_KEY_MGMT_DPP) &&
+ (ied.key_mgmt & WPA_KEY_MGMT_DPP)) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "Prefer DPP over SAE when both are enabled");
+#endif /* CONFIG_DPP */
} else if (wpa_parse_wpa_ie(rsn, 2 + rsn[1], &ied) == 0 &&
wpa_key_mgmt_sae(ied.key_mgmt)) {
wpa_dbg(wpa_s, MSG_DEBUG, "Using SAE auth_alg");
wpas_connect_work_done(wpa_s);
return;
}
+#ifdef CONFIG_HS20
+ } else if (wpa_bss_get_vendor_ie(bss, OSEN_IE_VENDOR_TYPE) &&
+ (ssid->key_mgmt & WPA_KEY_MGMT_OSEN)) {
+ /* No PMKSA caching, but otherwise similar to RSN/WPA */
+ wpa_s->sme.assoc_req_ie_len = sizeof(wpa_s->sme.assoc_req_ie);
+ if (wpa_supplicant_set_suites(wpa_s, bss, ssid,
+ wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len)) {
+ wpa_msg(wpa_s, MSG_WARNING, "SME: Failed to set WPA "
+ "key management and encryption suites");
+ wpas_connect_work_done(wpa_s);
+ return;
+ }
+#endif /* CONFIG_HS20 */
} else if ((ssid->key_mgmt & WPA_KEY_MGMT_IEEE8021X_NO_WPA) &&
wpa_key_mgmt_wpa_ieee8021x(ssid->key_mgmt)) {
/*
wpa_s->sme.assoc_req_ie_len = 0;
}
+ /* In case the WPA vendor IE is used, it should be placed after all the
+ * non-vendor IEs, as the lower layer expects the IEs to be ordered as
+ * defined in the standard. Store the WPA IE so it can later be
+ * inserted at the correct location.
+ */
+ wpa_ie = NULL;
+ wpa_ie_len = 0;
+ if (wpa_s->wpa_proto == WPA_PROTO_WPA) {
+ wpa_ie = os_memdup(wpa_s->sme.assoc_req_ie,
+ wpa_s->sme.assoc_req_ie_len);
+ if (wpa_ie) {
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Storing WPA IE");
+
+ wpa_ie_len = wpa_s->sme.assoc_req_ie_len;
+ wpa_s->sme.assoc_req_ie_len = 0;
+ } else {
+ wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed copy WPA IE");
+ wpas_connect_work_done(wpa_s);
+ return;
+ }
+ }
+
#ifdef CONFIG_IEEE80211R
ie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
if (ie && ie[1] >= MOBILITY_DOMAIN_ID_LEN)
md = ie + 2;
wpa_sm_set_ft_params(wpa_s->wpa, ie, ie ? 2 + ie[1] : 0);
+ if (md && (!wpa_key_mgmt_ft(ssid->key_mgmt) ||
+ !wpa_key_mgmt_ft(wpa_s->key_mgmt)))
+ md = NULL;
if (md) {
/* Prepare for the next transition */
wpa_ft_prepare_auth_request(wpa_s->wpa, ie);
}
- if (md && !wpa_key_mgmt_ft(ssid->key_mgmt))
- md = NULL;
if (md) {
wpa_dbg(wpa_s, MSG_DEBUG, "SME: FT mobility domain %02x%02x",
md[0], md[1]);
wpa_s->sme.assoc_req_ie_len += 5;
}
- if (wpa_s->sme.ft_used &&
+ if (wpa_s->sme.prev_bssid_set && wpa_s->sme.ft_used &&
os_memcmp(md, wpa_s->sme.mobility_domain, 2) == 0 &&
wpa_sm_has_ptk(wpa_s->wpa)) {
wpa_dbg(wpa_s, MSG_DEBUG, "SME: Trying to use FT "
sme_auth_handle_rrm(wpa_s, bss);
wpa_s->sme.assoc_req_ie_len += wpas_supp_op_class_ie(
- wpa_s, bss->freq,
+ wpa_s, ssid, bss->freq,
wpa_s->sme.assoc_req_ie + wpa_s->sme.assoc_req_ie_len,
sizeof(wpa_s->sme.assoc_req_ie) - wpa_s->sme.assoc_req_ie_len);
int pps_mo_id = hs20_get_pps_mo_id(wpa_s, ssid);
size_t len;
- wpas_hs20_add_indication(hs20, pps_mo_id);
+ wpas_hs20_add_indication(hs20, pps_mo_id,
+ get_hs20_version(bss));
wpas_hs20_add_roam_cons_sel(hs20, ssid);
len = sizeof(wpa_s->sme.assoc_req_ie) -
wpa_s->sme.assoc_req_ie_len;
}
#endif /* CONFIG_HS20 */
+ if (wpa_ie) {
+ size_t len;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Reinsert WPA IE");
+
+ len = sizeof(wpa_s->sme.assoc_req_ie) -
+ wpa_s->sme.assoc_req_ie_len;
+
+ if (len > wpa_ie_len) {
+ os_memcpy(wpa_s->sme.assoc_req_ie +
+ wpa_s->sme.assoc_req_ie_len,
+ wpa_ie, wpa_ie_len);
+ wpa_s->sme.assoc_req_ie_len += wpa_ie_len;
+ } else {
+ wpa_dbg(wpa_s, MSG_DEBUG, "WPA: Failed to add WPA IE");
+ }
+
+ os_free(wpa_ie);
+ }
+
if (wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ]) {
struct wpabuf *buf = wpa_s->vendor_elem[VENDOR_ELEM_ASSOC_REQ];
size_t len;
}
#ifdef CONFIG_MBO
- if (wpa_bss_get_vendor_ie(bss, MBO_IE_VENDOR_TYPE)) {
+ mbo_ie = wpa_bss_get_vendor_ie(bss, MBO_IE_VENDOR_TYPE);
+ if (mbo_ie) {
int len;
len = wpas_mbo_ie(wpa_s, wpa_s->sme.assoc_req_ie +
wpa_s->sme.assoc_req_ie_len,
sizeof(wpa_s->sme.assoc_req_ie) -
- wpa_s->sme.assoc_req_ie_len);
+ wpa_s->sme.assoc_req_ie_len,
+ !!mbo_attr_from_mbo_ie(mbo_ie,
+ OCE_ATTR_ID_CAPA_IND));
if (len >= 0)
wpa_s->sme.assoc_req_ie_len += len;
}
#ifdef CONFIG_SAE
if (!skip_auth && params.auth_alg == WPA_AUTH_ALG_SAE &&
pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid, ssid, 0,
- NULL, WPA_KEY_MGMT_SAE) == 0) {
+ NULL,
+ wpa_s->key_mgmt == WPA_KEY_MGMT_FT_SAE ?
+ WPA_KEY_MGMT_FT_SAE :
+ WPA_KEY_MGMT_SAE) == 0) {
wpa_dbg(wpa_s, MSG_DEBUG,
"PMKSA cache entry found - try to use PMKSA caching instead of new SAE authentication");
wpa_sm_set_pmk_from_pmksa(wpa_s->wpa);
if (!skip_auth && params.auth_alg == WPA_AUTH_ALG_SAE) {
if (start)
resp = sme_auth_build_sae_commit(wpa_s, ssid,
- bss->bssid, 0);
+ bss->bssid, 0,
+ start == 2);
else
resp = sme_auth_build_sae_confirm(wpa_s, 0);
if (resp == NULL) {
wpa_key_mgmt_fils(ssid->key_mgmt)) {
const u8 *indic;
u16 fils_info;
+ const u8 *realm, *username, *rrk;
+ size_t realm_len, username_len, rrk_len;
+ u16 next_seq_num;
/*
* Check FILS Indication element (FILS Information field) bits
goto no_fils;
}
+ if (wpa_s->last_con_fail_realm &&
+ eapol_sm_get_erp_info(wpa_s->eapol, &ssid->eap,
+ &username, &username_len,
+ &realm, &realm_len, &next_seq_num,
+ &rrk, &rrk_len) == 0 &&
+ realm && realm_len == wpa_s->last_con_fail_realm_len &&
+ os_memcmp(realm, wpa_s->last_con_fail_realm,
+ realm_len) == 0) {
+ wpa_printf(MSG_DEBUG,
+ "SME: FILS authentication for this realm failed last time - try to regenerate ERP key hierarchy");
+ goto no_fils;
+ }
+
if (pmksa_cache_set_current(wpa_s->wpa, NULL, bss->bssid,
ssid, 0,
wpa_bss_get_fils_cache_id(bss),
os_memcpy(resp->da, da, ETH_ALEN);
os_memcpy(resp->sa, sa, ETH_ALEN);
os_memcpy(resp->bssid, da, ETH_ALEN);
- resp->u.auth.auth_alg = WLAN_AUTH_SAE;
- resp->seq_ctrl = seq_num << 4;
- resp->u.auth.auth_transaction = auth_transaction;
- resp->u.auth.status_code = WLAN_STATUS_SUCCESS;
+ resp->u.auth.auth_alg = host_to_le16(WLAN_AUTH_SAE);
+ resp->seq_ctrl = host_to_le16(seq_num << 4);
+ resp->u.auth.auth_transaction = host_to_le16(auth_transaction);
+ resp->u.auth.status_code = host_to_le16(WLAN_STATUS_SUCCESS);
if (params)
wpabuf_put_buf(buf, params);
}
-static void sme_external_auth_send_sae_commit(struct wpa_supplicant *wpa_s,
- const u8 *bssid,
- struct wpa_ssid *ssid)
+static int sme_external_auth_send_sae_commit(struct wpa_supplicant *wpa_s,
+ const u8 *bssid,
+ struct wpa_ssid *ssid)
{
struct wpabuf *resp, *buf;
- resp = sme_auth_build_sae_commit(wpa_s, ssid, bssid, 1);
- if (!resp)
- return;
+ resp = sme_auth_build_sae_commit(wpa_s, ssid, bssid, 1, 0);
+ if (!resp) {
+ wpa_printf(MSG_DEBUG, "SAE: Failed to build SAE commit");
+ return -1;
+ }
wpa_s->sme.sae.state = SAE_COMMITTED;
buf = wpabuf_alloc(4 + SAE_COMMIT_MAX_LEN + wpabuf_len(resp));
if (!buf) {
wpabuf_free(resp);
- return;
+ return -1;
}
wpa_s->sme.seq_num++;
wpa_drv_send_mlme(wpa_s, wpabuf_head(buf), wpabuf_len(buf), 1, 0);
wpabuf_free(resp);
wpabuf_free(buf);
+
+ return 0;
}
os_memset(¶ms, 0, sizeof(params));
params.status = status;
- os_memcpy(params.ssid, wpa_s->sme.ext_auth.ssid,
- wpa_s->sme.ext_auth.ssid_len);
- params.ssid_len = wpa_s->sme.ext_auth.ssid_len;
- os_memcpy(params.bssid, wpa_s->sme.ext_auth.bssid, ETH_ALEN);
+ params.ssid = wpa_s->sme.ext_auth_ssid;
+ params.ssid_len = wpa_s->sme.ext_auth_ssid_len;
+ params.bssid = wpa_s->sme.ext_auth_bssid;
+ if (wpa_s->conf->sae_pmkid_in_assoc && status == WLAN_STATUS_SUCCESS)
+ params.pmkid = wpa_s->sme.sae.pmkid;
wpa_drv_send_external_auth_status(wpa_s, ¶ms);
}
-static void sme_handle_external_auth_start(struct wpa_supplicant *wpa_s,
- union wpa_event_data *data)
+static int sme_handle_external_auth_start(struct wpa_supplicant *wpa_s,
+ union wpa_event_data *data)
{
struct wpa_ssid *ssid;
size_t ssid_str_len = data->external_auth.ssid_len;
- u8 *ssid_str = data->external_auth.ssid;
+ const u8 *ssid_str = data->external_auth.ssid;
/* Get the SSID conf from the ssid string obtained */
for (ssid = wpa_s->conf->ssid; ssid; ssid = ssid->next) {
if (!wpas_network_disabled(wpa_s, ssid) &&
ssid_str_len == ssid->ssid_len &&
- os_memcmp(ssid_str, ssid->ssid, ssid_str_len) == 0)
+ os_memcmp(ssid_str, ssid->ssid, ssid_str_len) == 0 &&
+ (ssid->key_mgmt & (WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE)))
break;
}
- if (ssid)
- sme_external_auth_send_sae_commit(wpa_s,
- data->external_auth.bssid,
- ssid);
- else
- sme_send_external_auth_status(wpa_s,
- WLAN_STATUS_UNSPECIFIED_FAILURE);
+ if (!ssid ||
+ sme_external_auth_send_sae_commit(wpa_s, data->external_auth.bssid,
+ ssid) < 0)
+ return -1;
+
+ return 0;
}
return;
if (data->external_auth.action == EXT_AUTH_START) {
- os_memcpy(&wpa_s->sme.ext_auth, data,
- sizeof(struct external_auth));
+ if (!data->external_auth.bssid || !data->external_auth.ssid)
+ return;
+ os_memcpy(wpa_s->sme.ext_auth_bssid, data->external_auth.bssid,
+ ETH_ALEN);
+ os_memcpy(wpa_s->sme.ext_auth_ssid, data->external_auth.ssid,
+ data->external_auth.ssid_len);
+ wpa_s->sme.ext_auth_ssid_len = data->external_auth.ssid_len;
wpa_s->sme.seq_num = 0;
wpa_s->sme.sae.state = SAE_NOTHING;
wpa_s->sme.sae.send_confirm = 0;
wpa_s->sme.sae_group_index = 0;
- sme_handle_external_auth_start(wpa_s, data);
+ if (sme_handle_external_auth_start(wpa_s, data) < 0)
+ sme_send_external_auth_status(wpa_s,
+ WLAN_STATUS_UNSPECIFIED_FAILURE);
} else if (data->external_auth.action == EXT_AUTH_ABORT) {
/* Report failure to driver for the wrong trigger */
sme_send_external_auth_status(wpa_s,
status_code == WLAN_STATUS_ANTI_CLOGGING_TOKEN_REQ &&
wpa_s->sme.sae.state == SAE_COMMITTED &&
(external || wpa_s->current_bss) && wpa_s->current_ssid) {
- int default_groups[] = { 19, 20, 21, 25, 26, 0 };
+ int default_groups[] = { 19, 20, 21, 0 };
u16 group;
groups = wpa_s->conf->sae_groups;
len - sizeof(le16));
if (!external)
sme_send_authentication(wpa_s, wpa_s->current_bss,
- wpa_s->current_ssid, 1);
+ wpa_s->current_ssid, 2);
else
sme_external_auth_send_sae_commit(
- wpa_s, wpa_s->sme.ext_auth.bssid,
+ wpa_s, wpa_s->sme.ext_auth_bssid,
wpa_s->current_ssid);
return 0;
}
wpa_s->current_ssid, 1);
else
sme_external_auth_send_sae_commit(
- wpa_s, wpa_s->sme.ext_auth.bssid,
+ wpa_s, wpa_s->sme.ext_auth_bssid,
wpa_s->current_ssid);
return 0;
}
}
+static int sme_sae_set_pmk(struct wpa_supplicant *wpa_s, const u8 *bssid)
+{
+ wpa_printf(MSG_DEBUG,
+ "SME: SAE completed - setting PMK for 4-way handshake");
+ wpa_sm_set_pmk(wpa_s->wpa, wpa_s->sme.sae.pmk, PMK_LEN,
+ wpa_s->sme.sae.pmkid, bssid);
+ if (wpa_s->conf->sae_pmkid_in_assoc) {
+ /* Update the own RSNE contents now that we have set the PMK
+ * and added a PMKSA cache entry based on the successfully
+ * completed SAE exchange. In practice, this will add the PMKID
+ * into RSNE. */
+ if (wpa_s->sme.assoc_req_ie_len + 2 + PMKID_LEN >
+ sizeof(wpa_s->sme.assoc_req_ie)) {
+ wpa_msg(wpa_s, MSG_WARNING,
+ "RSN: Not enough room for inserting own PMKID into RSNE");
+ return -1;
+ }
+ if (wpa_insert_pmkid(wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len,
+ wpa_s->sme.sae.pmkid) < 0)
+ return -1;
+ wpa_hexdump(MSG_DEBUG,
+ "SME: Updated Association Request IEs",
+ wpa_s->sme.assoc_req_ie,
+ wpa_s->sme.assoc_req_ie_len);
+ }
+
+ return 0;
+}
+
+
void sme_external_auth_mgmt_rx(struct wpa_supplicant *wpa_s,
const u8 *auth_frame, size_t len)
{
return;
}
- if (header->u.auth.auth_alg == WLAN_AUTH_SAE) {
+ if (le_to_host16(header->u.auth.auth_alg) == WLAN_AUTH_SAE) {
int res;
- res = sme_sae_auth(wpa_s, header->u.auth.auth_transaction,
- header->u.auth.status_code,
- header->u.auth.variable,
- len - auth_length, 1, header->sa);
+ res = sme_sae_auth(
+ wpa_s, le_to_host16(header->u.auth.auth_transaction),
+ le_to_host16(header->u.auth.status_code),
+ header->u.auth.variable,
+ len - auth_length, 1, header->sa);
if (res < 0) {
/* Notify failure to the driver */
sme_send_external_auth_status(
if (res != 1)
return;
- wpa_printf(MSG_DEBUG,
- "SME: SAE completed - setting PMK for 4-way handshake");
- wpa_sm_set_pmk(wpa_s->wpa, wpa_s->sme.sae.pmk, PMK_LEN,
- wpa_s->sme.sae.pmkid, wpa_s->pending_bssid);
+ if (sme_sae_set_pmk(wpa_s, wpa_s->sme.ext_auth_bssid) < 0)
+ return;
}
}
if (res != 1)
return;
- wpa_printf(MSG_DEBUG, "SME: SAE completed - setting PMK for "
- "4-way handshake");
- wpa_sm_set_pmk(wpa_s->wpa, wpa_s->sme.sae.pmk, PMK_LEN,
- wpa_s->sme.sae.pmkid, wpa_s->pending_bssid);
+ if (sme_sae_set_pmk(wpa_s, wpa_s->pending_bssid) < 0)
+ return;
}
#endif /* CONFIG_SAE */
ie_txt ? ie_txt : "");
os_free(ie_txt);
+#ifdef CONFIG_FILS
+ if (wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS ||
+ wpa_s->sme.auth_alg == WPA_AUTH_ALG_FILS_SK_PFS)
+ fils_connection_failure(wpa_s);
+#endif /* CONFIG_FILS */
+
if (data->auth.status_code !=
WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG ||
wpa_s->sme.auth_alg == data->auth.auth_type ||
}
-#ifdef CONFIG_FILS
#ifdef CONFIG_IEEE80211R
static void remove_ie(u8 *buf, size_t *len, u8 eid)
{
}
}
#endif /* CONFIG_IEEE80211R */
-#endif /* CONFIG_FILS */
void sme_associate(struct wpa_supplicant *wpa_s, enum wpas_mode mode,
if (wpa_s->current_ssid && wpa_s->current_ssid->owe_group) {
group = wpa_s->current_ssid->owe_group;
- } else {
+ } else if (wpa_s->assoc_status_code ==
+ WLAN_STATUS_FINITE_CYCLIC_GROUP_NOT_SUPPORTED) {
if (wpa_s->last_owe_group == 19)
group = 20;
else if (wpa_s->last_owe_group == 20)
group = 21;
else
group = OWE_DH_GROUP;
+ } else {
+ group = OWE_DH_GROUP;
}
+
wpa_s->last_owe_group = group;
wpa_printf(MSG_DEBUG, "OWE: Try to use group %u", group);
owe_ie = owe_build_assoc_req(wpa_s->wpa, group);
}
#endif /* CONFIG_OWE */
+#ifdef CONFIG_DPP2
+ if (wpa_s->key_mgmt == WPA_KEY_MGMT_DPP && wpa_s->current_ssid &&
+ wpa_s->current_ssid->dpp_netaccesskey) {
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+
+ dpp_pfs_free(wpa_s->dpp_pfs);
+ wpa_s->dpp_pfs = dpp_pfs_init(ssid->dpp_netaccesskey,
+ ssid->dpp_netaccesskey_len);
+ if (!wpa_s->dpp_pfs) {
+ wpa_printf(MSG_DEBUG, "DPP: Could not initialize PFS");
+ /* Try to continue without PFS */
+ goto pfs_fail;
+ }
+ if (wpa_s->sme.assoc_req_ie_len +
+ wpabuf_len(wpa_s->dpp_pfs->ie) >
+ sizeof(wpa_s->sme.assoc_req_ie)) {
+ wpa_printf(MSG_ERROR,
+ "DPP: Not enough buffer room for own Association Request frame elements");
+ dpp_pfs_free(wpa_s->dpp_pfs);
+ wpa_s->dpp_pfs = NULL;
+ goto pfs_fail;
+ }
+ os_memcpy(wpa_s->sme.assoc_req_ie + wpa_s->sme.assoc_req_ie_len,
+ wpabuf_head(wpa_s->dpp_pfs->ie),
+ wpabuf_len(wpa_s->dpp_pfs->ie));
+ wpa_s->sme.assoc_req_ie_len += wpabuf_len(wpa_s->dpp_pfs->ie);
+ }
+pfs_fail:
+#endif /* CONFIG_DPP2 */
+
+ if (wpa_s->current_ssid && wpa_s->current_ssid->multi_ap_backhaul_sta) {
+ size_t multi_ap_ie_len;
+
+ multi_ap_ie_len = add_multi_ap_ie(
+ wpa_s->sme.assoc_req_ie + wpa_s->sme.assoc_req_ie_len,
+ sizeof(wpa_s->sme.assoc_req_ie) -
+ wpa_s->sme.assoc_req_ie_len,
+ MULTI_AP_BACKHAUL_STA);
+ if (multi_ap_ie_len == 0) {
+ wpa_printf(MSG_ERROR,
+ "Multi-AP: Failed to build Multi-AP IE");
+ return;
+ }
+ wpa_s->sme.assoc_req_ie_len += multi_ap_ie_len;
+ }
+
params.bssid = bssid;
params.ssid = wpa_s->sme.ssid;
params.ssid_len = wpa_s->sme.ssid_len;
params.wpa_ie = wpa_s->sme.assoc_req_ie_len ?
wpa_s->sme.assoc_req_ie : NULL;
params.wpa_ie_len = wpa_s->sme.assoc_req_ie_len;
+ wpa_hexdump(MSG_DEBUG, "SME: Association Request IEs",
+ params.wpa_ie, params.wpa_ie_len);
params.pairwise_suite = wpa_s->pairwise_cipher;
params.group_suite = wpa_s->group_cipher;
params.mgmt_group_suite = wpa_s->mgmt_group_cipher;
wpa_supplicant_apply_vht_overrides(wpa_s, wpa_s->current_ssid, ¶ms);
#endif /* CONFIG_VHT_OVERRIDES */
#ifdef CONFIG_IEEE80211R
- if (auth_type == WLAN_AUTH_FT && wpa_s->sme.ft_ies) {
+ if (auth_type == WLAN_AUTH_FT && wpa_s->sme.ft_ies &&
+ get_ie(wpa_s->sme.ft_ies, wpa_s->sme.ft_ies_len,
+ WLAN_EID_RIC_DATA)) {
+ /* There seems to be a pretty inconvenient bug in the Linux
+ * kernel IE splitting functionality when RIC is used. For now,
+ * skip correct behavior in IE construction here (i.e., drop the
+ * additional non-FT-specific IEs) to avoid kernel issues. This
+ * is fine since RIC is used only for testing purposes in the
+ * current implementation. */
+ wpa_printf(MSG_INFO,
+ "SME: Linux kernel workaround - do not try to include additional IEs with RIC");
params.wpa_ie = wpa_s->sme.ft_ies;
params.wpa_ie_len = wpa_s->sme.ft_ies_len;
+ } else if (auth_type == WLAN_AUTH_FT && wpa_s->sme.ft_ies) {
+ const u8 *rm_en, *pos, *end;
+ size_t rm_en_len = 0;
+ u8 *rm_en_dup = NULL, *wpos;
+
+ /* Remove RSNE, MDE, FTE to allow them to be overridden with
+ * FT specific values */
+ remove_ie(wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len,
+ WLAN_EID_RSN);
+ remove_ie(wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len,
+ WLAN_EID_MOBILITY_DOMAIN);
+ remove_ie(wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len,
+ WLAN_EID_FAST_BSS_TRANSITION);
+ rm_en = get_ie(wpa_s->sme.assoc_req_ie,
+ wpa_s->sme.assoc_req_ie_len,
+ WLAN_EID_RRM_ENABLED_CAPABILITIES);
+ if (rm_en) {
+ /* Need to remove RM Enabled Capabilities element as
+ * well temporarily, so that it can be placed between
+ * RSNE and MDE. */
+ rm_en_len = 2 + rm_en[1];
+ rm_en_dup = os_memdup(rm_en, rm_en_len);
+ remove_ie(wpa_s->sme.assoc_req_ie,
+ &wpa_s->sme.assoc_req_ie_len,
+ WLAN_EID_RRM_ENABLED_CAPABILITIES);
+ }
+ wpa_hexdump(MSG_DEBUG,
+ "SME: Association Request IEs after FT IE removal",
+ wpa_s->sme.assoc_req_ie,
+ wpa_s->sme.assoc_req_ie_len);
+ if (wpa_s->sme.assoc_req_ie_len + wpa_s->sme.ft_ies_len +
+ rm_en_len > sizeof(wpa_s->sme.assoc_req_ie)) {
+ wpa_printf(MSG_ERROR,
+ "SME: Not enough buffer room for FT IEs in Association Request frame");
+ os_free(rm_en_dup);
+ return;
+ }
+
+ os_memmove(wpa_s->sme.assoc_req_ie + wpa_s->sme.ft_ies_len +
+ rm_en_len,
+ wpa_s->sme.assoc_req_ie,
+ wpa_s->sme.assoc_req_ie_len);
+ pos = wpa_s->sme.ft_ies;
+ end = pos + wpa_s->sme.ft_ies_len;
+ wpos = wpa_s->sme.assoc_req_ie;
+ if (*pos == WLAN_EID_RSN) {
+ os_memcpy(wpos, pos, 2 + pos[1]);
+ wpos += 2 + pos[1];
+ pos += 2 + pos[1];
+ }
+ if (rm_en_dup) {
+ os_memcpy(wpos, rm_en_dup, rm_en_len);
+ wpos += rm_en_len;
+ os_free(rm_en_dup);
+ }
+ os_memcpy(wpos, pos, end - pos);
+ wpa_s->sme.assoc_req_ie_len += wpa_s->sme.ft_ies_len +
+ rm_en_len;
+ params.wpa_ie = wpa_s->sme.assoc_req_ie;
+ params.wpa_ie_len = wpa_s->sme.assoc_req_ie_len;
+ wpa_hexdump(MSG_DEBUG,
+ "SME: Association Request IEs after FT override",
+ params.wpa_ie, params.wpa_ie_len);
}
#endif /* CONFIG_IEEE80211R */
params.mode = mode;
if (wpa_s->sme.ft_ies || wpa_s->sme.ft_used)
sme_update_ft_ies(wpa_s, NULL, NULL, 0);
#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+ sme_stop_sa_query(wpa_s);
+#endif /* CONFIG_IEEE80211W */
}
void sme_deinit(struct wpa_supplicant *wpa_s)
{
- os_free(wpa_s->sme.ft_ies);
- wpa_s->sme.ft_ies = NULL;
- wpa_s->sme.ft_ies_len = 0;
-#ifdef CONFIG_IEEE80211W
- sme_stop_sa_query(wpa_s);
-#endif /* CONFIG_IEEE80211W */
sme_clear_on_disassoc(wpa_s);
eloop_cancel_timeout(sme_assoc_timer, wpa_s, NULL);
*/
if (!((wpa_s->drv_flags & WPA_DRIVER_FLAGS_SME) ||
(wpa_s->drv_flags & WPA_DRIVER_FLAGS_OBSS_SCAN)) ||
- ssid == NULL || ssid->mode != IEEE80211_MODE_INFRA)
+ ssid == NULL || ssid->mode != WPAS_MODE_INFRA)
return;
if (!wpa_s->hw.modes)
static const unsigned int sa_query_max_timeout = 1000;
static const unsigned int sa_query_retry_timeout = 201;
+static const unsigned int sa_query_ch_switch_max_delay = 5000; /* in usec */
static int sme_check_sa_query_timeout(struct wpa_supplicant *wpa_s)
{
static void sme_send_sa_query_req(struct wpa_supplicant *wpa_s,
const u8 *trans_id)
{
- u8 req[2 + WLAN_SA_QUERY_TR_ID_LEN];
+ u8 req[2 + WLAN_SA_QUERY_TR_ID_LEN + OCV_OCI_EXTENDED_LEN];
+ u8 req_len = 2 + WLAN_SA_QUERY_TR_ID_LEN;
+
wpa_dbg(wpa_s, MSG_DEBUG, "SME: Sending SA Query Request to "
MACSTR, MAC2STR(wpa_s->bssid));
wpa_hexdump(MSG_DEBUG, "SME: SA Query Transaction ID",
req[0] = WLAN_ACTION_SA_QUERY;
req[1] = WLAN_SA_QUERY_REQUEST;
os_memcpy(req + 2, trans_id, WLAN_SA_QUERY_TR_ID_LEN);
+
+#ifdef CONFIG_OCV
+ if (wpa_sm_ocv_enabled(wpa_s->wpa)) {
+ struct wpa_channel_info ci;
+
+ if (wpa_drv_channel_info(wpa_s, &ci) != 0) {
+ wpa_printf(MSG_WARNING,
+ "Failed to get channel info for OCI element in SA Query Request frame");
+ return;
+ }
+
+ if (ocv_insert_extended_oci(&ci, req + req_len) < 0)
+ return;
+
+ req_len += OCV_OCI_EXTENDED_LEN;
+ }
+#endif /* CONFIG_OCV */
+
if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
wpa_s->own_addr, wpa_s->bssid,
- req, sizeof(req), 0) < 0)
+ req, req_len, 0) < 0)
wpa_msg(wpa_s, MSG_INFO, "SME: Failed to send SA Query "
"Request");
}
static void sme_stop_sa_query(struct wpa_supplicant *wpa_s)
{
+ if (wpa_s->sme.sa_query_trans_id)
+ wpa_dbg(wpa_s, MSG_DEBUG, "SME: Stop SA Query");
eloop_cancel_timeout(sme_sa_query_timer, wpa_s, NULL);
os_free(wpa_s->sme.sa_query_trans_id);
wpa_s->sme.sa_query_trans_id = NULL;
}
-void sme_sa_query_rx(struct wpa_supplicant *wpa_s, const u8 *sa,
- const u8 *data, size_t len)
+void sme_event_ch_switch(struct wpa_supplicant *wpa_s)
+{
+ unsigned int usec;
+ u32 _rand;
+
+ if (wpa_s->wpa_state != WPA_COMPLETED ||
+ !wpa_sm_ocv_enabled(wpa_s->wpa))
+ return;
+
+ wpa_dbg(wpa_s, MSG_DEBUG,
+ "SME: Channel switch completed - trigger new SA Query to verify new operating channel");
+ sme_stop_sa_query(wpa_s);
+
+ if (os_get_random((u8 *) &_rand, sizeof(_rand)) < 0)
+ _rand = os_random();
+ usec = _rand % (sa_query_ch_switch_max_delay + 1);
+ eloop_register_timeout(0, usec, sme_sa_query_timer, wpa_s, NULL);
+}
+
+
+static void sme_process_sa_query_request(struct wpa_supplicant *wpa_s,
+ const u8 *sa, const u8 *data,
+ size_t len)
+{
+ u8 resp[2 + WLAN_SA_QUERY_TR_ID_LEN + OCV_OCI_EXTENDED_LEN];
+ u8 resp_len = 2 + WLAN_SA_QUERY_TR_ID_LEN;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "SME: Sending SA Query Response to "
+ MACSTR, MAC2STR(wpa_s->bssid));
+
+ resp[0] = WLAN_ACTION_SA_QUERY;
+ resp[1] = WLAN_SA_QUERY_RESPONSE;
+ os_memcpy(resp + 2, data + 1, WLAN_SA_QUERY_TR_ID_LEN);
+
+#ifdef CONFIG_OCV
+ if (wpa_sm_ocv_enabled(wpa_s->wpa)) {
+ struct wpa_channel_info ci;
+
+ if (wpa_drv_channel_info(wpa_s, &ci) != 0) {
+ wpa_printf(MSG_WARNING,
+ "Failed to get channel info for OCI element in SA Query Response frame");
+ return;
+ }
+
+ if (ocv_insert_extended_oci(&ci, resp + resp_len) < 0)
+ return;
+
+ resp_len += OCV_OCI_EXTENDED_LEN;
+ }
+#endif /* CONFIG_OCV */
+
+ if (wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0, wpa_s->bssid,
+ wpa_s->own_addr, wpa_s->bssid,
+ resp, resp_len, 0) < 0)
+ wpa_msg(wpa_s, MSG_INFO,
+ "SME: Failed to send SA Query Response");
+}
+
+
+static void sme_process_sa_query_response(struct wpa_supplicant *wpa_s,
+ const u8 *sa, const u8 *data,
+ size_t len)
{
int i;
- if (wpa_s->sme.sa_query_trans_id == NULL ||
- len < 1 + WLAN_SA_QUERY_TR_ID_LEN ||
- data[0] != WLAN_SA_QUERY_RESPONSE)
+ if (!wpa_s->sme.sa_query_trans_id)
return;
+
wpa_dbg(wpa_s, MSG_DEBUG, "SME: Received SA Query response from "
MACSTR " (trans_id %02x%02x)", MAC2STR(sa), data[1], data[2]);
sme_stop_sa_query(wpa_s);
}
+
+void sme_sa_query_rx(struct wpa_supplicant *wpa_s, const u8 *sa,
+ const u8 *data, size_t len)
+{
+ if (len < 1 + WLAN_SA_QUERY_TR_ID_LEN)
+ return;
+
+ wpa_dbg(wpa_s, MSG_DEBUG, "SME: Received SA Query frame from "
+ MACSTR " (trans_id %02x%02x)", MAC2STR(sa), data[1], data[2]);
+
+#ifdef CONFIG_OCV
+ if (wpa_sm_ocv_enabled(wpa_s->wpa)) {
+ struct ieee802_11_elems elems;
+ struct wpa_channel_info ci;
+
+ if (ieee802_11_parse_elems(data + 1 + WLAN_SA_QUERY_TR_ID_LEN,
+ len - 1 - WLAN_SA_QUERY_TR_ID_LEN,
+ &elems, 1) == ParseFailed) {
+ wpa_printf(MSG_DEBUG,
+ "SA Query: Failed to parse elements");
+ return;
+ }
+
+ if (wpa_drv_channel_info(wpa_s, &ci) != 0) {
+ wpa_printf(MSG_WARNING,
+ "Failed to get channel info to validate received OCI in SA Query Action frame");
+ return;
+ }
+
+ if (ocv_verify_tx_params(elems.oci, elems.oci_len, &ci,
+ channel_width_to_int(ci.chanwidth),
+ ci.seg1_idx) != 0) {
+ wpa_printf(MSG_WARNING, "%s", ocv_errorstr);
+ return;
+ }
+ }
+#endif /* CONFIG_OCV */
+
+ if (data[0] == WLAN_SA_QUERY_REQUEST)
+ sme_process_sa_query_request(wpa_s, sa, data, len);
+ else if (data[0] == WLAN_SA_QUERY_RESPONSE)
+ sme_process_sa_query_response(wpa_s, sa, data, len);
+}
+
#endif /* CONFIG_IEEE80211W */
projects / thirdparty / hostap.git / blobdiff