mesh: Write close reason from Mesh Peering Close to debug log
[mech_eap.git] / wpa_supplicant / mesh.c
index 3ebf058..dd534d4 100644 (file)
@@ -47,8 +47,8 @@ void wpa_supplicant_mesh_iface_deinit(struct wpa_supplicant *wpa_s,
 
        if (ifmsh->mconf) {
                mesh_mpm_deinit(wpa_s, ifmsh);
-               if (ifmsh->mconf->ies) {
-                       ifmsh->mconf->ies = NULL;
+               if (ifmsh->mconf->rsn_ie) {
+                       ifmsh->mconf->rsn_ie = NULL;
                        /* We cannot free this struct
                         * because wpa_authenticator on
                         * hostapd side is also using it
@@ -66,9 +66,11 @@ void wpa_supplicant_mesh_iface_deinit(struct wpa_supplicant *wpa_s,
 }
 
 
-static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
+static struct mesh_conf * mesh_config_create(struct wpa_supplicant *wpa_s,
+                                            struct wpa_ssid *ssid)
 {
        struct mesh_conf *conf;
+       int cipher;
 
        conf = os_zalloc(sizeof(struct mesh_conf));
        if (!conf)
@@ -82,6 +84,33 @@ static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
                        MESH_CONF_SEC_AMPE;
        else
                conf->security |= MESH_CONF_SEC_NONE;
+       conf->ieee80211w = ssid->ieee80211w;
+       if (conf->ieee80211w == MGMT_FRAME_PROTECTION_DEFAULT) {
+               if (wpa_s->drv_enc & WPA_DRIVER_CAPA_ENC_BIP)
+                       conf->ieee80211w = wpa_s->conf->pmf;
+               else
+                       conf->ieee80211w = NO_MGMT_FRAME_PROTECTION;
+       }
+
+       cipher = wpa_pick_pairwise_cipher(ssid->pairwise_cipher, 0);
+       if (cipher < 0 || cipher == WPA_CIPHER_TKIP) {
+               wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid pairwise cipher");
+               os_free(conf);
+               return NULL;
+       }
+       conf->pairwise_cipher = cipher;
+
+       cipher = wpa_pick_group_cipher(ssid->group_cipher);
+       if (cipher < 0 || cipher == WPA_CIPHER_TKIP ||
+           cipher == WPA_CIPHER_GTK_NOT_USED) {
+               wpa_msg(wpa_s, MSG_INFO, "mesh: Invalid group cipher");
+               os_free(conf);
+               return NULL;
+       }
+
+       conf->group_cipher = cipher;
+       if (conf->ieee80211w != NO_MGMT_FRAME_PROTECTION)
+               conf->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
 
        /* defaults */
        conf->mesh_pp_id = MESH_PATH_PROTOCOL_HWMP;
@@ -89,6 +118,10 @@ static struct mesh_conf * mesh_config_create(struct wpa_ssid *ssid)
        conf->mesh_cc_id = 0;
        conf->mesh_sp_id = MESH_SYNC_METHOD_NEIGHBOR_OFFSET;
        conf->mesh_auth_id = (conf->security & MESH_CONF_SEC_AUTH) ? 1 : 0;
+       conf->dot11MeshMaxRetries = ssid->dot11MeshMaxRetries;
+       conf->dot11MeshRetryTimeout = ssid->dot11MeshRetryTimeout;
+       conf->dot11MeshConfirmTimeout = ssid->dot11MeshConfirmTimeout;
+       conf->dot11MeshHoldingTimeout = ssid->dot11MeshHoldingTimeout;
 
        return conf;
 }
@@ -122,6 +155,7 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
        int basic_rates_erp[] = { 10, 20, 55, 60, 110, 120, 240, -1 };
        static int default_groups[] = { 19, 20, 21, 25, 26, -1 };
        size_t len;
+       int rate_len;
 
        if (!wpa_s->conf->user_mpm) {
                /* not much for us to do here */
@@ -161,44 +195,79 @@ static int wpa_supplicant_mesh_init(struct wpa_supplicant *wpa_s,
        bss->conf = *conf->bss;
        bss->conf->start_disabled = 1;
        bss->conf->mesh = MESH_ENABLED;
+       bss->conf->ap_max_inactivity = wpa_s->conf->mesh_max_inactivity;
        bss->iconf = conf;
        ifmsh->conf = conf;
 
-       ifmsh->bss[0]->max_plinks = 99;
+       ifmsh->bss[0]->max_plinks = wpa_s->conf->max_peer_links;
+       ifmsh->bss[0]->dot11RSNASAERetransPeriod =
+               wpa_s->conf->dot11RSNASAERetransPeriod;
        os_strlcpy(bss->conf->iface, wpa_s->ifname, sizeof(bss->conf->iface));
 
-       mconf = mesh_config_create(ssid);
+       mconf = mesh_config_create(wpa_s, ssid);
        if (!mconf)
                goto out_free;
        ifmsh->mconf = mconf;
 
        /* need conf->hw_mode for supported rates. */
-       if (ssid->frequency == 0) {
-               conf->hw_mode = HOSTAPD_MODE_IEEE80211G;
-               conf->channel = 1;
-       } else {
-               conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency,
-                                                      &conf->channel);
-       }
+       conf->hw_mode = ieee80211_freq_to_chan(ssid->frequency, &conf->channel);
        if (conf->hw_mode == NUM_HOSTAPD_MODES) {
                wpa_printf(MSG_ERROR, "Unsupported mesh mode frequency: %d MHz",
                           ssid->frequency);
                goto out_free;
        }
+       if (ssid->ht40)
+               conf->secondary_channel = ssid->ht40;
+       if (conf->hw_mode == HOSTAPD_MODE_IEEE80211A && ssid->vht) {
+               conf->vht_oper_chwidth = ssid->max_oper_chwidth;
+               switch (conf->vht_oper_chwidth) {
+               case VHT_CHANWIDTH_80MHZ:
+               case VHT_CHANWIDTH_80P80MHZ:
+                       ieee80211_freq_to_chan(
+                               ssid->frequency,
+                               &conf->vht_oper_centr_freq_seg0_idx);
+                       conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2;
+                       break;
+               case VHT_CHANWIDTH_160MHZ:
+                       ieee80211_freq_to_chan(
+                               ssid->frequency,
+                               &conf->vht_oper_centr_freq_seg0_idx);
+                       conf->vht_oper_centr_freq_seg0_idx += ssid->ht40 * 2;
+                       conf->vht_oper_centr_freq_seg0_idx += 40 / 5;
+                       break;
+               }
+               ieee80211_freq_to_chan(ssid->vht_center_freq2,
+                                      &conf->vht_oper_centr_freq_seg1_idx);
+       }
 
-       /*
-        * XXX: Hack! This is so an MPM which correctly sets the ERP mandatory
-        * rates as BSSBasicRateSet doesn't reject us. We could add a new
-        * hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but this is way easier. This
-        * also makes our BSSBasicRateSet advertised in Beacon frames match the
-        * one in peering frames, sigh.
-        */
-       if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
-               conf->basic_rates = os_malloc(sizeof(basic_rates_erp));
-               if (!conf->basic_rates)
+       if (ssid->mesh_basic_rates == NULL) {
+               /*
+                * XXX: Hack! This is so an MPM which correctly sets the ERP
+                * mandatory rates as BSSBasicRateSet doesn't reject us. We
+                * could add a new hw_mode HOSTAPD_MODE_IEEE80211G_ERP, but
+                * this is way easier. This also makes our BSSBasicRateSet
+                * advertised in beacons match the one in peering frames, sigh.
+                */
+               if (conf->hw_mode == HOSTAPD_MODE_IEEE80211G) {
+                       conf->basic_rates = os_malloc(sizeof(basic_rates_erp));
+                       if (!conf->basic_rates)
+                               goto out_free;
+                       os_memcpy(conf->basic_rates, basic_rates_erp,
+                                 sizeof(basic_rates_erp));
+               }
+       } else {
+               rate_len = 0;
+               while (1) {
+                       if (ssid->mesh_basic_rates[rate_len] < 1)
+                               break;
+                       rate_len++;
+               }
+               conf->basic_rates = os_calloc(rate_len + 1, sizeof(int));
+               if (conf->basic_rates == NULL)
                        goto out_free;
-               os_memcpy(conf->basic_rates, basic_rates_erp,
-                         sizeof(basic_rates_erp));
+               os_memcpy(conf->basic_rates, ssid->mesh_basic_rates,
+                         rate_len * sizeof(int));
+               conf->basic_rates[rate_len] = -1;
        }
 
        if (hostapd_setup_interface(ifmsh)) {
@@ -295,13 +364,43 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
 
        wpa_supplicant_mesh_deinit(wpa_s);
 
+       wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
+       wpa_s->group_cipher = WPA_CIPHER_NONE;
+       wpa_s->mgmt_group_cipher = 0;
+
        os_memset(&params, 0, sizeof(params));
        params.meshid = ssid->ssid;
        params.meshid_len = ssid->ssid_len;
-       params.freq = ssid->frequency;
-#ifdef CONFIG_IEEE80211N
-       params.ht_mode = ssid->mesh_ht_mode;
-#endif /* CONFIG_IEEE80211N */
+       ibss_mesh_setup_freq(wpa_s, ssid, &params.freq);
+       wpa_s->mesh_ht_enabled = !!params.freq.ht_enabled;
+       wpa_s->mesh_vht_enabled = !!params.freq.vht_enabled;
+       if (params.freq.ht_enabled && params.freq.sec_channel_offset)
+               ssid->ht40 = params.freq.sec_channel_offset;
+       if (wpa_s->mesh_vht_enabled) {
+               ssid->vht = 1;
+               switch (params.freq.bandwidth) {
+               case 80:
+                       if (params.freq.center_freq2) {
+                               ssid->max_oper_chwidth = VHT_CHANWIDTH_80P80MHZ;
+                               ssid->vht_center_freq2 =
+                                       params.freq.center_freq2;
+                       } else {
+                               ssid->max_oper_chwidth = VHT_CHANWIDTH_80MHZ;
+                       }
+                       break;
+               case 160:
+                       ssid->max_oper_chwidth = VHT_CHANWIDTH_160MHZ;
+                       break;
+               default:
+                       ssid->max_oper_chwidth = VHT_CHANWIDTH_USE_HT;
+                       break;
+               }
+       }
+       if (ssid->beacon_int > 0)
+               params.beacon_int = ssid->beacon_int;
+       else if (wpa_s->conf->beacon_int > 0)
+               params.beacon_int = wpa_s->conf->beacon_int;
+       params.max_peer_links = wpa_s->conf->max_peer_links;
 
        if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
                params.flags |= WPA_DRIVER_MESH_FLAG_SAE_AUTH;
@@ -316,16 +415,24 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
                params.flags |= WPA_DRIVER_MESH_FLAG_DRIVER_MPM;
                params.conf.flags |= WPA_DRIVER_MESH_CONF_FLAG_AUTO_PLINKS;
        }
+       params.conf.peer_link_timeout = wpa_s->conf->mesh_max_inactivity;
 
        if (wpa_supplicant_mesh_init(wpa_s, ssid)) {
                wpa_msg(wpa_s, MSG_ERROR, "Failed to init mesh");
+               wpa_drv_leave_mesh(wpa_s);
                ret = -1;
                goto out;
        }
 
+       if (ssid->key_mgmt & WPA_KEY_MGMT_SAE) {
+               wpa_s->pairwise_cipher = wpa_s->mesh_rsn->pairwise_cipher;
+               wpa_s->group_cipher = wpa_s->mesh_rsn->group_cipher;
+               wpa_s->mgmt_group_cipher = wpa_s->mesh_rsn->mgmt_group_cipher;
+       }
+
        if (wpa_s->ifmsh) {
-               params.ies = wpa_s->ifmsh->mconf->ies;
-               params.ie_len = wpa_s->ifmsh->mconf->ie_len;
+               params.ies = wpa_s->ifmsh->mconf->rsn_ie;
+               params.ie_len = wpa_s->ifmsh->mconf->rsn_ie_len;
                params.basic_rates = wpa_s->ifmsh->basic_rates;
        }
 
@@ -333,11 +440,14 @@ int wpa_supplicant_join_mesh(struct wpa_supplicant *wpa_s,
                wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
        ret = wpa_drv_join_mesh(wpa_s, &params);
        if (ret)
-               wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d\n", ret);
+               wpa_msg(wpa_s, MSG_ERROR, "mesh join error=%d", ret);
 
        /* hostapd sets the interface down until we associate */
        wpa_drv_set_operstate(wpa_s, 1);
 
+       if (!ret)
+               wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
+
 out:
        return ret;
 }
@@ -349,13 +459,180 @@ int wpa_supplicant_leave_mesh(struct wpa_supplicant *wpa_s)
 
        wpa_msg(wpa_s, MSG_INFO, "leaving mesh");
 
+       /* Need to send peering close messages first */
+       wpa_supplicant_mesh_deinit(wpa_s);
+
        ret = wpa_drv_leave_mesh(wpa_s);
        if (ret)
                wpa_msg(wpa_s, MSG_ERROR, "mesh leave error=%d", ret);
 
        wpa_drv_set_operstate(wpa_s, 1);
 
-       wpa_supplicant_mesh_deinit(wpa_s);
-
        return ret;
 }
+
+
+static int mesh_attr_text(const u8 *ies, size_t ies_len, char *buf, char *end)
+{
+       struct ieee802_11_elems elems;
+       char *mesh_id, *pos = buf;
+       u8 *bss_basic_rate_set;
+       int bss_basic_rate_set_len, ret, i;
+
+       if (ieee802_11_parse_elems(ies, ies_len, &elems, 0) == ParseFailed)
+               return -1;
+
+       if (elems.mesh_id_len < 1)
+               return 0;
+
+       mesh_id = os_malloc(elems.mesh_id_len + 1);
+       if (mesh_id == NULL)
+               return -1;
+
+       os_memcpy(mesh_id, elems.mesh_id, elems.mesh_id_len);
+       mesh_id[elems.mesh_id_len] = '\0';
+       ret = os_snprintf(pos, end - pos, "mesh_id=%s\n", mesh_id);
+       os_free(mesh_id);
+       if (os_snprintf_error(end - pos, ret))
+               return pos - buf;
+       pos += ret;
+
+       if (elems.mesh_config_len > 6) {
+               ret = os_snprintf(pos, end - pos,
+                                 "active_path_selection_protocol_id=0x%02x\n"
+                                 "active_path_selection_metric_id=0x%02x\n"
+                                 "congestion_control_mode_id=0x%02x\n"
+                                 "synchronization_method_id=0x%02x\n"
+                                 "authentication_protocol_id=0x%02x\n"
+                                 "mesh_formation_info=0x%02x\n"
+                                 "mesh_capability=0x%02x\n",
+                                 elems.mesh_config[0], elems.mesh_config[1],
+                                 elems.mesh_config[2], elems.mesh_config[3],
+                                 elems.mesh_config[4], elems.mesh_config[5],
+                                 elems.mesh_config[6]);
+               if (os_snprintf_error(end - pos, ret))
+                       return pos - buf;
+               pos += ret;
+       }
+
+       bss_basic_rate_set = os_malloc(elems.supp_rates_len +
+               elems.ext_supp_rates_len);
+       if (bss_basic_rate_set == NULL)
+               return -1;
+
+       bss_basic_rate_set_len = 0;
+       for (i = 0; i < elems.supp_rates_len; i++) {
+               if (elems.supp_rates[i] & 0x80) {
+                       bss_basic_rate_set[bss_basic_rate_set_len++] =
+                               (elems.supp_rates[i] & 0x7f) * 5;
+               }
+       }
+       for (i = 0; i < elems.ext_supp_rates_len; i++) {
+               if (elems.ext_supp_rates[i] & 0x80) {
+                       bss_basic_rate_set[bss_basic_rate_set_len++] =
+                               (elems.ext_supp_rates[i] & 0x7f) * 5;
+               }
+       }
+       if (bss_basic_rate_set_len > 0) {
+               ret = os_snprintf(pos, end - pos, "bss_basic_rate_set=%d",
+                                 bss_basic_rate_set[0]);
+               if (os_snprintf_error(end - pos, ret))
+                       goto fail;
+               pos += ret;
+
+               for (i = 1; i < bss_basic_rate_set_len; i++) {
+                       ret = os_snprintf(pos, end - pos, " %d",
+                                         bss_basic_rate_set[i]);
+                       if (os_snprintf_error(end - pos, ret))
+                               goto fail;
+                       pos += ret;
+               }
+
+               ret = os_snprintf(pos, end - pos, "\n");
+               if (os_snprintf_error(end - pos, ret))
+                       goto fail;
+               pos += ret;
+       }
+fail:
+       os_free(bss_basic_rate_set);
+
+       return pos - buf;
+}
+
+
+int wpas_mesh_scan_result_text(const u8 *ies, size_t ies_len, char *buf,
+                              char *end)
+{
+       return mesh_attr_text(ies, ies_len, buf, end);
+}
+
+
+static int wpas_mesh_get_ifname(struct wpa_supplicant *wpa_s, char *ifname,
+                               size_t len)
+{
+       char *ifname_ptr = wpa_s->ifname;
+       int res;
+
+       res = os_snprintf(ifname, len, "mesh-%s-%d", ifname_ptr,
+                         wpa_s->mesh_if_idx);
+       if (os_snprintf_error(len, res) ||
+           (os_strlen(ifname) >= IFNAMSIZ &&
+            os_strlen(wpa_s->ifname) < IFNAMSIZ)) {
+               /* Try to avoid going over the IFNAMSIZ length limit */
+               res = os_snprintf(ifname, len, "mesh-%d", wpa_s->mesh_if_idx);
+               if (os_snprintf_error(len, res))
+                       return -1;
+       }
+       wpa_s->mesh_if_idx++;
+       return 0;
+}
+
+
+int wpas_mesh_add_interface(struct wpa_supplicant *wpa_s, char *ifname,
+                           size_t len)
+{
+       struct wpa_interface iface;
+       struct wpa_supplicant *mesh_wpa_s;
+       u8 addr[ETH_ALEN];
+
+       if (ifname[0] == '\0' && wpas_mesh_get_ifname(wpa_s, ifname, len) < 0)
+               return -1;
+
+       if (wpa_drv_if_add(wpa_s, WPA_IF_MESH, ifname, NULL, NULL, NULL, addr,
+                          NULL) < 0) {
+               wpa_printf(MSG_ERROR,
+                          "mesh: Failed to create new mesh interface");
+               return -1;
+       }
+       wpa_printf(MSG_INFO, "mesh: Created virtual interface %s addr "
+                  MACSTR, ifname, MAC2STR(addr));
+
+       os_memset(&iface, 0, sizeof(iface));
+       iface.ifname = ifname;
+       iface.driver = wpa_s->driver->name;
+       iface.driver_param = wpa_s->conf->driver_param;
+       iface.ctrl_interface = wpa_s->conf->ctrl_interface;
+
+       mesh_wpa_s = wpa_supplicant_add_iface(wpa_s->global, &iface, wpa_s);
+       if (!mesh_wpa_s) {
+               wpa_printf(MSG_ERROR,
+                          "mesh: Failed to create new wpa_supplicant interface");
+               wpa_drv_if_remove(wpa_s, WPA_IF_MESH, ifname);
+               return -1;
+       }
+       mesh_wpa_s->mesh_if_created = 1;
+       return 0;
+}
+
+
+int wpas_mesh_peer_remove(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+       return mesh_mpm_close_peer(wpa_s, addr);
+}
+
+
+int wpas_mesh_peer_add(struct wpa_supplicant *wpa_s, const u8 *addr,
+                      int duration)
+{
+       return mesh_mpm_connect_peer(wpa_s, addr, duration);
+}