static int wpa_supplicant_ctrl_iface_get_capability( struct wpa_supplicant *wpa_s, const char *_field, char *buf, size_t buflen) { struct wpa_driver_capa capa; int res; char *strict; char field[30]; size_t len; /* Determine whether or not strict checking was requested */ len = os_strlcpy(field, _field, sizeof(field)); if (len >= sizeof(field)) return -1; strict = os_strchr(field, ' '); if (strict != NULL) { *strict++ = '\0'; if (os_strcmp(strict, "strict") != 0) return -1; } wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s", field, strict ? strict : ""); if (os_strcmp(field, "eap") == 0) { return eap_get_names(buf, buflen); } res = wpa_drv_get_capa(wpa_s, &capa); if (os_strcmp(field, "pairwise") == 0) return ctrl_iface_get_capability_pairwise(res, strict, &capa, buf, buflen); if (os_strcmp(field, "group") == 0) return ctrl_iface_get_capability_group(res, strict, &capa, buf, buflen); if (os_strcmp(field, "key_mgmt") == 0) return ctrl_iface_get_capability_key_mgmt(res, strict, &capa, buf, buflen); if (os_strcmp(field, "proto") == 0) return ctrl_iface_get_capability_proto(res, strict, &capa, buf, buflen); if (os_strcmp(field, "auth_alg") == 0) return ctrl_iface_get_capability_auth_alg(res, strict, &capa, buf, buflen); wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'", field); return -1; }
static int wpa_supplicant_ctrl_iface_get_capability( struct wpa_supplicant *wpa_s, const char *_field, char *buf, size_t buflen) { struct wpa_driver_capa capa; int res, first = 1, ret; char *pos, *end, *strict; char field[30]; /* Determine whether or not strict checking was requested */ os_snprintf(field, sizeof(field), "%s", _field); field[sizeof(field) - 1] = '\0'; strict = os_strchr(field, ' '); if (strict != NULL) { *strict++ = '\0'; if (os_strcmp(strict, "strict") != 0) return -1; } wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s", field, strict ? strict : ""); if (os_strcmp(field, "eap") == 0) { return eap_get_names(buf, buflen); } res = wpa_drv_get_capa(wpa_s, &capa); pos = buf; end = pos + buflen; if (os_strcmp(field, "pairwise") == 0) { if (res < 0) { if (strict) return 0; ret = os_snprintf(buf, buflen, "CCMP TKIP NONE"); if (ret < 0 || (size_t) ret >= buflen) return -1; return ret; } if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) { ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) { ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) { ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } return pos - buf; } if (os_strcmp(field, "group") == 0) { if (res < 0) { if (strict) return 0; ret = os_snprintf(buf, buflen, "CCMP TKIP WEP104 WEP40"); if (ret < 0 || (size_t) ret >= buflen) return -1; return ret; } if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) { ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) { ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) { ret = os_snprintf(pos, end - pos, "%sWEP104", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) { ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } return pos - buf; } if (os_strcmp(field, "key_mgmt") == 0) { if (res < 0) { if (strict) return 0; ret = os_snprintf(buf, buflen, "WPA-PSK WPA-EAP " "IEEE8021X WPA-NONE NONE"); if (ret < 0 || (size_t) ret >= buflen) return -1; return ret; } ret = os_snprintf(pos, end - pos, "NONE IEEE8021X"); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) { ret = os_snprintf(pos, end - pos, " WPA-EAP"); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; } if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { ret = os_snprintf(pos, end - pos, " WPA-PSK"); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; } if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) { ret = os_snprintf(pos, end - pos, " WPA-NONE"); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; } return pos - buf; } if (os_strcmp(field, "proto") == 0) { if (res < 0) { if (strict) return 0; ret = os_snprintf(buf, buflen, "RSN WPA"); if (ret < 0 || (size_t) ret >= buflen) return -1; return ret; } if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) { ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } return pos - buf; } if (os_strcmp(field, "auth_alg") == 0) { if (res < 0) { if (strict) return 0; ret = os_snprintf(buf, buflen, "OPEN SHARED LEAP"); if (ret < 0 || (size_t) ret >= buflen) return -1; return ret; } if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) { ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) { ret = os_snprintf(pos, end - pos, "%sSHARED", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) { ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " "); if (ret < 0 || ret >= end - pos) return pos - buf; pos += ret; first = 0; } return pos - buf; } wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'", field); return -1; }
static void wpas_wps_security_workaround(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid, const struct wps_credential *cred) { struct wpa_driver_capa capa; struct wpa_bss *bss; const u8 *ie; struct wpa_ie_data adv; int wpa2 = 0, ccmp = 0; /* * Many existing WPS APs do not know how to negotiate WPA2 or CCMP in * case they are configured for mixed mode operation (WPA+WPA2 and * TKIP+CCMP). Try to use scan results to figure out whether the AP * actually supports stronger security and select that if the client * has support for it, too. */ if (wpa_drv_get_capa(wpa_s, &capa)) return; /* Unknown what driver supports */ bss = wpa_bss_get(wpa_s, cred->mac_addr, ssid->ssid, ssid->ssid_len); if (bss == NULL) { wpa_printf(MSG_DEBUG, "WPS: The AP was not found from BSS " "table - use credential as-is"); return; } wpa_printf(MSG_DEBUG, "WPS: AP found from BSS table"); ie = wpa_bss_get_ie(bss, WLAN_EID_RSN); if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0) { wpa2 = 1; if (adv.pairwise_cipher & WPA_CIPHER_CCMP) ccmp = 1; } else { ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE); if (ie && wpa_parse_wpa_ie(ie, 2 + ie[1], &adv) == 0 && adv.pairwise_cipher & WPA_CIPHER_CCMP) ccmp = 1; } if (ie == NULL && (ssid->proto & WPA_PROTO_WPA) && (ssid->pairwise_cipher & WPA_CIPHER_TKIP)) { /* * TODO: This could be the initial AP configuration and the * Beacon contents could change shortly. Should request a new * scan and delay addition of the network until the updated * scan results are available. */ wpa_printf(MSG_DEBUG, "WPS: The AP did not yet advertise WPA " "support - use credential as-is"); return; } if (ccmp && !(ssid->pairwise_cipher & WPA_CIPHER_CCMP) && (ssid->pairwise_cipher & WPA_CIPHER_TKIP) && (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { wpa_printf(MSG_DEBUG, "WPS: Add CCMP into the credential " "based on scan results"); if (wpa_s->conf->ap_scan == 1) ssid->pairwise_cipher |= WPA_CIPHER_CCMP; else ssid->pairwise_cipher = WPA_CIPHER_CCMP; } if (wpa2 && !(ssid->proto & WPA_PROTO_RSN) && (ssid->proto & WPA_PROTO_WPA) && (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP)) { wpa_printf(MSG_DEBUG, "WPS: Add WPA2 into the credential " "based on scan results"); if (wpa_s->conf->ap_scan == 1) ssid->proto |= WPA_PROTO_RSN; else ssid->proto = WPA_PROTO_RSN; } }
static void wpa_supplicant_event_assoc(struct wpa_supplicant *wpa_s, union wpa_event_data *data) { u8 bssid[ETH_ALEN]; int ft_completed; int bssid_changed; struct wpa_driver_capa capa; #ifdef CONFIG_AP if (wpa_s->ap_iface) { hostapd_notif_assoc(wpa_s->ap_iface->bss[0], data->assoc_info.addr, data->assoc_info.req_ies, data->assoc_info.req_ies_len); return; } #endif /* CONFIG_AP */ ft_completed = wpa_ft_is_completed(wpa_s->wpa); if (data && wpa_supplicant_event_associnfo(wpa_s, data) < 0) return; wpa_supplicant_set_state(wpa_s, WPA_ASSOCIATED); if (wpa_drv_get_bssid(wpa_s, bssid) >= 0 && os_memcmp(bssid, wpa_s->bssid, ETH_ALEN) != 0) { wpa_msg(wpa_s, MSG_DEBUG, "Associated to a new BSS: BSSID=" MACSTR, MAC2STR(bssid)); bssid_changed = os_memcmp(wpa_s->bssid, bssid, ETH_ALEN); os_memcpy(wpa_s->bssid, bssid, ETH_ALEN); os_memset(wpa_s->pending_bssid, 0, ETH_ALEN); if (bssid_changed) wpas_notify_bssid_changed(wpa_s); if (wpa_supplicant_dynamic_keys(wpa_s) && !ft_completed) { wpa_clear_keys(wpa_s, bssid); } if (wpa_supplicant_select_config(wpa_s) < 0) { wpa_supplicant_disassociate( wpa_s, WLAN_REASON_DEAUTH_LEAVING); return; } if (wpa_s->current_ssid) { struct wpa_bss *bss = NULL; struct wpa_ssid *ssid = wpa_s->current_ssid; if (ssid->ssid_len > 0) bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len); if (!bss) bss = wpa_bss_get_bssid(wpa_s, bssid); if (bss) wpa_s->current_bss = bss; } } #ifdef CONFIG_SME os_memcpy(wpa_s->sme.prev_bssid, bssid, ETH_ALEN); wpa_s->sme.prev_bssid_set = 1; #endif /* CONFIG_SME */ wpa_msg(wpa_s, MSG_INFO, "Associated with " MACSTR, MAC2STR(bssid)); if (wpa_s->current_ssid) { /* When using scanning (ap_scan=1), SIM PC/SC interface can be * initialized before association, but for other modes, * initialize PC/SC here, if the current configuration needs * smartcard or SIM/USIM. */ wpa_supplicant_scard_init(wpa_s, wpa_s->current_ssid); } wpa_sm_notify_assoc(wpa_s->wpa, bssid); if (wpa_s->l2) l2_packet_notify_auth_start(wpa_s->l2); /* * Set portEnabled first to FALSE in order to get EAP state machine out * of the SUCCESS state and eapSuccess cleared. Without this, EAPOL PAE * state machine may transit to AUTHENTICATING state based on obsolete * eapSuccess and then trigger BE_AUTH to SUCCESS and PAE to * AUTHENTICATED without ever giving chance to EAP state machine to * reset the state. */ if (!ft_completed) { eapol_sm_notify_portEnabled(wpa_s->eapol, FALSE); eapol_sm_notify_portValid(wpa_s->eapol, FALSE); } if (wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt) || ft_completed) eapol_sm_notify_eap_success(wpa_s->eapol, FALSE); /* 802.1X::portControl = Auto */ eapol_sm_notify_portEnabled(wpa_s->eapol, TRUE); wpa_s->eapol_received = 0; if (wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || wpa_s->key_mgmt == WPA_KEY_MGMT_WPA_NONE || (wpa_s->current_ssid && wpa_s->current_ssid->mode == IEEE80211_MODE_IBSS)) { wpa_supplicant_cancel_auth_timeout(wpa_s); wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); } else if (!ft_completed) { /* Timeout for receiving the first EAPOL packet */ wpa_supplicant_req_auth_timeout(wpa_s, 10, 0); } wpa_supplicant_cancel_scan(wpa_s); if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE) && wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) { /* * We are done; the driver will take care of RSN 4-way * handshake. */ wpa_supplicant_cancel_auth_timeout(wpa_s); wpa_supplicant_set_state(wpa_s, WPA_COMPLETED); eapol_sm_notify_portValid(wpa_s->eapol, TRUE); eapol_sm_notify_eap_success(wpa_s->eapol, TRUE); } if (wpa_s->pending_eapol_rx) { struct os_time now, age; os_get_time(&now); os_time_sub(&now, &wpa_s->pending_eapol_rx_time, &age); if (age.sec == 0 && age.usec < 100000 && os_memcmp(wpa_s->pending_eapol_rx_src, bssid, ETH_ALEN) == 0) { wpa_printf(MSG_DEBUG, "Process pending EAPOL frame " "that was received just before association " "notification"); wpa_supplicant_rx_eapol( wpa_s, wpa_s->pending_eapol_rx_src, wpabuf_head(wpa_s->pending_eapol_rx), wpabuf_len(wpa_s->pending_eapol_rx)); } wpabuf_free(wpa_s->pending_eapol_rx); wpa_s->pending_eapol_rx = NULL; } if ((wpa_s->key_mgmt == WPA_KEY_MGMT_NONE || wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) && wpa_s->current_ssid && wpa_drv_get_capa(wpa_s, &capa) == 0 && capa.flags & WPA_DRIVER_FLAGS_SET_KEYS_AFTER_ASSOC_DONE) { /* Set static WEP keys again */ wpa_set_wep_keys(wpa_s, wpa_s->current_ssid); } }
/** * wpas_dbus_iface_capabilities - Return interface capabilities * @message: Pointer to incoming dbus message * @wpa_s: wpa_supplicant structure for a network interface * Returns: A dbus message containing a dict of strings * * Handler function for "capabilities" method call of an interface. */ DBusMessage * wpas_dbus_iface_capabilities(DBusMessage *message, struct wpa_supplicant *wpa_s) { DBusMessage *reply = NULL; struct wpa_driver_capa capa; int res; DBusMessageIter iter, iter_dict; char **eap_methods; size_t num_items; dbus_bool_t strict = FALSE; DBusMessageIter iter_dict_entry, iter_dict_val, iter_array; if (!dbus_message_get_args(message, NULL, DBUS_TYPE_BOOLEAN, &strict, DBUS_TYPE_INVALID)) strict = FALSE; reply = dbus_message_new_method_return(message); dbus_message_iter_init_append(reply, &iter); if (!wpa_dbus_dict_open_write(&iter, &iter_dict)) goto error; /* EAP methods */ eap_methods = eap_get_names_as_string_array(&num_items); if (eap_methods) { dbus_bool_t success = FALSE; size_t i = 0; success = wpa_dbus_dict_append_string_array( &iter_dict, "eap", (const char **) eap_methods, num_items); /* free returned method array */ while (eap_methods[i]) os_free(eap_methods[i++]); os_free(eap_methods); if (!success) goto error; } res = wpa_drv_get_capa(wpa_s, &capa); /***** pairwise cipher */ if (res < 0) { if (!strict) { const char *args[] = {"CCMP", "TKIP", "NONE"}; if (!wpa_dbus_dict_append_string_array( &iter_dict, "pairwise", args, sizeof(args) / sizeof(char*))) goto error; } } else { if (!wpa_dbus_dict_begin_string_array(&iter_dict, "pairwise", &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "CCMP")) goto error; } if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "TKIP")) goto error; } if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "NONE")) goto error; } if (!wpa_dbus_dict_end_string_array(&iter_dict, &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; } /***** group cipher */ if (res < 0) { if (!strict) { const char *args[] = { "CCMP", "TKIP", "WEP104", "WEP40" }; if (!wpa_dbus_dict_append_string_array( &iter_dict, "group", args, sizeof(args) / sizeof(char*))) goto error; } } else { if (!wpa_dbus_dict_begin_string_array(&iter_dict, "group", &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; if (capa.enc & WPA_DRIVER_CAPA_ENC_CCMP) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "CCMP")) goto error; } if (capa.enc & WPA_DRIVER_CAPA_ENC_TKIP) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "TKIP")) goto error; } if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP104) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WEP104")) goto error; } if (capa.enc & WPA_DRIVER_CAPA_ENC_WEP40) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WEP40")) goto error; } if (!wpa_dbus_dict_end_string_array(&iter_dict, &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; } /***** key management */ if (res < 0) { if (!strict) { const char *args[] = { "WPA-PSK", "WPA-EAP", "IEEE8021X", "WPA-NONE", "NONE" }; if (!wpa_dbus_dict_append_string_array( &iter_dict, "key_mgmt", args, sizeof(args) / sizeof(char*))) goto error; } } else { if (!wpa_dbus_dict_begin_string_array(&iter_dict, "key_mgmt", &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; if (!wpa_dbus_dict_string_array_add_element(&iter_array, "NONE")) goto error; if (!wpa_dbus_dict_string_array_add_element(&iter_array, "IEEE8021X")) goto error; if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WPA-EAP")) goto error; } if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WPA-PSK")) goto error; } if (capa.key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WPA-NONE")) goto error; } if (!wpa_dbus_dict_end_string_array(&iter_dict, &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; } /***** WPA protocol */ if (res < 0) { if (!strict) { const char *args[] = { "RSN", "WPA" }; if (!wpa_dbus_dict_append_string_array( &iter_dict, "proto", args, sizeof(args) / sizeof(char*))) goto error; } } else { if (!wpa_dbus_dict_begin_string_array(&iter_dict, "proto", &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 | WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "RSN")) goto error; } if (capa.key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA | WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "WPA")) goto error; } if (!wpa_dbus_dict_end_string_array(&iter_dict, &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; } /***** auth alg */ if (res < 0) { if (!strict) { const char *args[] = { "OPEN", "SHARED", "LEAP" }; if (!wpa_dbus_dict_append_string_array( &iter_dict, "auth_alg", args, sizeof(args) / sizeof(char*))) goto error; } } else { if (!wpa_dbus_dict_begin_string_array(&iter_dict, "auth_alg", &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; if (capa.auth & (WPA_DRIVER_AUTH_OPEN)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "OPEN")) goto error; } if (capa.auth & (WPA_DRIVER_AUTH_SHARED)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "SHARED")) goto error; } if (capa.auth & (WPA_DRIVER_AUTH_LEAP)) { if (!wpa_dbus_dict_string_array_add_element( &iter_array, "LEAP")) goto error; } if (!wpa_dbus_dict_end_string_array(&iter_dict, &iter_dict_entry, &iter_dict_val, &iter_array)) goto error; } if (!wpa_dbus_dict_close_write(&iter, &iter_dict)) goto error; return reply; error: if (reply) dbus_message_unref(reply); return dbus_message_new_error(message, WPAS_ERROR_INTERNAL_ERROR, "an internal error occurred returning " "interface capabilities."); }