X-Git-Url: http://www.project-moonshot.org/gitweb/?a=blobdiff_plain;f=src%2Fwps%2Fwps_registrar.c;h=1beea75e0d3db2fa28b2432ab81c29e5d15af9b1;hb=a9d69254e30922136829be38179c924d1a632617;hp=07e65462ecf8bf71bdb23054690fbf8c17c8e51a;hpb=9fdeaf8f3ab8523d68fdb82de163158689a123e4;p=libeap.git diff --git a/src/wps/wps_registrar.c b/src/wps/wps_registrar.c index 07e6546..1beea75 100644 --- a/src/wps/wps_registrar.c +++ b/src/wps/wps_registrar.c @@ -27,7 +27,9 @@ #include "wps_upnp.h" #include "wps_upnp_i.h" +#ifndef CONFIG_WPS_STRICT #define WPS_WORKAROUNDS +#endif /* CONFIG_WPS_STRICT */ struct wps_uuid_pin { struct dl_list list; @@ -39,6 +41,7 @@ struct wps_uuid_pin { #define PIN_EXPIRES BIT(1) int flags; struct os_time expiration; + u8 enrollee_addr[ETH_ALEN]; }; @@ -107,6 +110,10 @@ struct wps_registrar { const u8 *uuid_e); void (*set_sel_reg_cb)(void *ctx, int sel_reg, u16 dev_passwd_id, u16 sel_reg_config_methods); + void (*enrollee_seen_cb)(void *ctx, const u8 *addr, const u8 *uuid_e, + const u8 *pri_dev_type, u16 config_methods, + u16 dev_password_id, u8 request_type, + const char *dev_name); void *cb_ctx; struct dl_list pins; @@ -119,10 +126,14 @@ struct wps_registrar { int sel_reg_dev_password_id_override; int sel_reg_config_methods_override; int static_wep_only; + int dualband; struct wps_registrar_device *devices; int force_pbc_overlap; + + u8 authorized_macs[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; + u8 authorized_macs_union[WPS_MAX_AUTHORIZED_MACS][ETH_ALEN]; }; @@ -132,6 +143,52 @@ static void wps_registrar_set_selected_timeout(void *eloop_ctx, void *timeout_ctx); +static void wps_registrar_add_authorized_mac(struct wps_registrar *reg, + const u8 *addr) +{ + int i; + wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC " MACSTR, + MAC2STR(addr)); + for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) + if (os_memcmp(reg->authorized_macs[i], addr, ETH_ALEN) == 0) { + wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was " + "already in the list"); + return; /* already in list */ + } + for (i = WPS_MAX_AUTHORIZED_MACS - 1; i > 0; i--) + os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i - 1], + ETH_ALEN); + os_memcpy(reg->authorized_macs[0], addr, ETH_ALEN); + wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", + (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); +} + + +static void wps_registrar_remove_authorized_mac(struct wps_registrar *reg, + const u8 *addr) +{ + int i; + wpa_printf(MSG_DEBUG, "WPS: Remove authorized MAC " MACSTR, + MAC2STR(addr)); + for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) { + if (os_memcmp(reg->authorized_macs, addr, ETH_ALEN) == 0) + break; + } + if (i == WPS_MAX_AUTHORIZED_MACS) { + wpa_printf(MSG_DEBUG, "WPS: Authorized MAC was not in the " + "list"); + return; /* not in the list */ + } + for (; i + 1 < WPS_MAX_AUTHORIZED_MACS; i++) + os_memcpy(reg->authorized_macs[i], reg->authorized_macs[i + 1], + ETH_ALEN); + os_memset(reg->authorized_macs[WPS_MAX_AUTHORIZED_MACS - 1], 0, + ETH_ALEN); + wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs", + (u8 *) reg->authorized_macs, sizeof(reg->authorized_macs)); +} + + static void wps_free_devices(struct wps_registrar_device *dev) { struct wps_registrar_device *prev; @@ -271,8 +328,8 @@ static void wps_registrar_remove_pbc_session(struct wps_registrar *reg, } -static int wps_registrar_pbc_overlap(struct wps_registrar *reg, - const u8 *addr, const u8 *uuid_e) +int wps_registrar_pbc_overlap(struct wps_registrar *reg, + const u8 *addr, const u8 *uuid_e) { int count = 0; struct wps_pbc_session *pbc; @@ -374,15 +431,57 @@ static int wps_build_sel_reg_dev_password_id(struct wps_registrar *reg, } +static int wps_build_sel_pbc_reg_uuid_e(struct wps_registrar *reg, + struct wpabuf *msg) +{ + u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT; + if (!reg->sel_reg_union) + return 0; + if (reg->sel_reg_dev_password_id_override >= 0) + id = reg->sel_reg_dev_password_id_override; + if (id != DEV_PW_PUSHBUTTON || !reg->dualband) + return 0; + return wps_build_uuid_e(msg, reg->wps->uuid); +} + + +static void wps_set_pushbutton(u16 *methods, u16 conf_methods) +{ + *methods |= WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + if (conf_methods & WPS_CONFIG_VIRT_PUSHBUTTON) + *methods |= WPS_CONFIG_VIRT_PUSHBUTTON; + if (conf_methods & WPS_CONFIG_PHY_PUSHBUTTON) + *methods |= WPS_CONFIG_PHY_PUSHBUTTON; + if ((*methods & WPS_CONFIG_VIRT_PUSHBUTTON) != + WPS_CONFIG_VIRT_PUSHBUTTON || + (*methods & WPS_CONFIG_PHY_PUSHBUTTON) != + WPS_CONFIG_PHY_PUSHBUTTON) { + /* + * Required to include virtual/physical flag, but we were not + * configured with push button type, so have to default to one + * of them. + */ + *methods |= WPS_CONFIG_PHY_PUSHBUTTON; + } +#endif /* CONFIG_WPS2 */ +} + + static int wps_build_sel_reg_config_methods(struct wps_registrar *reg, struct wpabuf *msg) { u16 methods; if (!reg->sel_reg_union) return 0; - methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; + methods = reg->wps->config_methods; + methods &= ~WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | + WPS_CONFIG_PHY_PUSHBUTTON); +#endif /* CONFIG_WPS2 */ if (reg->pbc) - methods |= WPS_CONFIG_PUSHBUTTON; + wps_set_pushbutton(&methods, reg->wps->config_methods); if (reg->sel_reg_config_methods_override >= 0) methods = reg->sel_reg_config_methods_override; wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar Config Methods (%x)", @@ -398,7 +497,15 @@ static int wps_build_probe_config_methods(struct wps_registrar *reg, struct wpabuf *msg) { u16 methods; - methods = 0; + /* + * These are the methods that the AP supports as an Enrollee for adding + * external Registrars. + */ + methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | + WPS_CONFIG_PHY_PUSHBUTTON); +#endif /* CONFIG_WPS2 */ wpa_printf(MSG_DEBUG, "WPS: * Config Methods (%x)", methods); wpabuf_put_be16(msg, ATTR_CONFIG_METHODS); wpabuf_put_be16(msg, 2); @@ -412,20 +519,29 @@ static int wps_build_config_methods_r(struct wps_registrar *reg, { u16 methods; methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | + WPS_CONFIG_PHY_PUSHBUTTON); +#endif /* CONFIG_WPS2 */ if (reg->pbc) - methods |= WPS_CONFIG_PUSHBUTTON; + wps_set_pushbutton(&methods, reg->wps->config_methods); return wps_build_config_methods(msg, methods); } -static int wps_build_resp_type(struct wps_registrar *reg, struct wpabuf *msg) +const u8 * wps_authorized_macs(struct wps_registrar *reg, size_t *count) { - u8 resp = reg->wps->ap ? WPS_RESP_AP : WPS_RESP_REGISTRAR; - wpa_printf(MSG_DEBUG, "WPS: * Response Type (%d)", resp); - wpabuf_put_be16(msg, ATTR_RESPONSE_TYPE); - wpabuf_put_be16(msg, 1); - wpabuf_put_u8(msg, resp); - return 0; + *count = 0; + +#ifdef CONFIG_WPS2 + while (*count < WPS_MAX_AUTHORIZED_MACS) { + if (is_zero_ether_addr(reg->authorized_macs_union[*count])) + break; + (*count)++; + } +#endif /* CONFIG_WPS2 */ + + return (const u8 *) reg->authorized_macs_union; } @@ -456,6 +572,7 @@ wps_registrar_init(struct wps_context *wps, reg->pin_needed_cb = cfg->pin_needed_cb; reg->reg_success_cb = cfg->reg_success_cb; reg->set_sel_reg_cb = cfg->set_sel_reg_cb; + reg->enrollee_seen_cb = cfg->enrollee_seen_cb; reg->cb_ctx = cfg->cb_ctx; reg->skip_cred_build = cfg->skip_cred_build; if (cfg->extra_cred) { @@ -470,6 +587,7 @@ wps_registrar_init(struct wps_context *wps, reg->sel_reg_dev_password_id_override = -1; reg->sel_reg_config_methods_override = -1; reg->static_wep_only = cfg->static_wep_only; + reg->dualband = cfg->dualband; if (wps_set_ie(reg)) { wps_registrar_deinit(reg); @@ -501,20 +619,24 @@ void wps_registrar_deinit(struct wps_registrar *reg) /** * wps_registrar_add_pin - Configure a new PIN for Registrar * @reg: Registrar data from wps_registrar_init() + * @addr: Enrollee MAC address or %NULL if not known * @uuid: UUID-E or %NULL for wildcard (any UUID) * @pin: PIN (Device Password) * @pin_len: Length of pin in octets * @timeout: Time (in seconds) when the PIN will be invalidated; 0 = no timeout * Returns: 0 on success, -1 on failure */ -int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *uuid, - const u8 *pin, size_t pin_len, int timeout) +int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *addr, + const u8 *uuid, const u8 *pin, size_t pin_len, + int timeout) { struct wps_uuid_pin *p; p = os_zalloc(sizeof(*p)); if (p == NULL) return -1; + if (addr) + os_memcpy(p->enrollee_addr, addr, ETH_ALEN); if (uuid == NULL) p->wildcard_uuid = 1; else @@ -541,6 +663,11 @@ int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *uuid, wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len); reg->selected_registrar = 1; reg->pbc = 0; + if (addr) + wps_registrar_add_authorized_mac(reg, addr); + else + wps_registrar_add_authorized_mac( + reg, (u8 *) "\xff\xff\xff\xff\xff\xff"); wps_registrar_selected_registrar_changed(reg); eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); eloop_register_timeout(WPS_PBC_WALK_TIME, 0, @@ -551,6 +678,22 @@ int wps_registrar_add_pin(struct wps_registrar *reg, const u8 *uuid, } +static void wps_registrar_remove_pin(struct wps_registrar *reg, + struct wps_uuid_pin *pin) +{ + u8 *addr; + u8 bcast[ETH_ALEN] = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; + + if (is_zero_ether_addr(pin->enrollee_addr)) + addr = bcast; + else + addr = pin->enrollee_addr; + wps_registrar_remove_authorized_mac(reg, addr); + wps_remove_pin(pin); + wps_registrar_selected_registrar_changed(reg); +} + + static void wps_registrar_expire_pins(struct wps_registrar *reg) { struct wps_uuid_pin *pin, *prev; @@ -563,9 +706,32 @@ static void wps_registrar_expire_pins(struct wps_registrar *reg) os_time_before(&pin->expiration, &now)) { wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID", pin->uuid, WPS_UUID_LEN); - wps_remove_pin(pin); + wps_registrar_remove_pin(reg, pin); + } + } +} + + +/** + * wps_registrar_invalidate_wildcard_pin - Invalidate a wildcard PIN + * @reg: Registrar data from wps_registrar_init() + * Returns: 0 on success, -1 if not wildcard PIN is enabled + */ +static int wps_registrar_invalidate_wildcard_pin(struct wps_registrar *reg) +{ + struct wps_uuid_pin *pin, *prev; + + dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list) + { + if (pin->wildcard_uuid) { + wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", + pin->uuid, WPS_UUID_LEN); + wps_registrar_remove_pin(reg, pin); + return 0; } } + + return -1; } @@ -584,7 +750,7 @@ int wps_registrar_invalidate_pin(struct wps_registrar *reg, const u8 *uuid) if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) { wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID", pin->uuid, WPS_UUID_LEN); - wps_remove_pin(pin); + wps_registrar_remove_pin(reg, pin); return 0; } } @@ -712,6 +878,7 @@ int wps_registrar_button_pushed(struct wps_registrar *reg) reg->pbc = 1; wps_registrar_selected_registrar_changed(reg); + eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL); eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL); eloop_register_timeout(WPS_PBC_WALK_TIME, 0, wps_registrar_pbc_timeout, reg, NULL); @@ -736,6 +903,23 @@ static void wps_registrar_pin_completed(struct wps_registrar *reg) } +int wps_registrar_wps_cancel(struct wps_registrar *reg) +{ + if (reg->pbc) { + wpa_printf(MSG_DEBUG, "WPS: PBC is set - cancelling it"); + wps_registrar_pbc_timeout(reg, NULL); + return 1; + } else if (reg->selected_registrar) { + /* PIN Method */ + wpa_printf(MSG_DEBUG, "WPS: PIN is set - cancelling it"); + wps_registrar_pin_completed(reg); + wps_registrar_invalidate_wildcard_pin(reg); + return 1; + } + return 0; +} + + /** * wps_registrar_probe_req_rx - Notify Registrar of Probe Request * @reg: Registrar data from wps_registrar_init() @@ -747,10 +931,10 @@ static void wps_registrar_pin_completed(struct wps_registrar *reg) * situation with other WPS APs. */ void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, - const struct wpabuf *wps_data) + const struct wpabuf *wps_data, + int p2p_wildcard) { struct wps_parse_attr attr; - u16 methods; wpa_hexdump_buf(MSG_MSGDUMP, "WPS: Probe Request with WPS data received", @@ -758,11 +942,6 @@ void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, if (wps_parse_msg(wps_data, &attr) < 0) return; - if (!wps_version_supported(attr.version)) { - wpa_printf(MSG_DEBUG, "WPS: Unsupported ProbeReq WPS IE " - "version 0x%x", attr.version ? *attr.version : 0); - return; - } if (attr.config_methods == NULL) { wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in " @@ -770,12 +949,40 @@ void wps_registrar_probe_req_rx(struct wps_registrar *reg, const u8 *addr, return; } - methods = WPA_GET_BE16(attr.config_methods); - if (!(methods & WPS_CONFIG_PUSHBUTTON)) + if (attr.dev_password_id == NULL) { + wpa_printf(MSG_DEBUG, "WPS: No Device Password Id attribute " + "in Probe Request"); + return; + } + + if (reg->enrollee_seen_cb && attr.uuid_e && + attr.primary_dev_type && attr.request_type && !p2p_wildcard) { + char *dev_name = NULL; + if (attr.dev_name) { + dev_name = os_zalloc(attr.dev_name_len + 1); + if (dev_name) { + os_memcpy(dev_name, attr.dev_name, + attr.dev_name_len); + } + } + reg->enrollee_seen_cb(reg->cb_ctx, addr, attr.uuid_e, + attr.primary_dev_type, + WPA_GET_BE16(attr.config_methods), + WPA_GET_BE16(attr.dev_password_id), + *attr.request_type, dev_name); + os_free(dev_name); + } + + if (WPA_GET_BE16(attr.dev_password_id) != DEV_PW_PUSHBUTTON) return; /* Not PBC */ wpa_printf(MSG_DEBUG, "WPS: Probe Request for PBC received from " MACSTR, MAC2STR(addr)); + if (attr.uuid_e == NULL) { + wpa_printf(MSG_DEBUG, "WPS: Invalid Probe Request WPS IE: No " + "UUID-E included"); + return; + } wps_registrar_add_pbc_session(reg, addr, attr.uuid_e); if (wps_registrar_pbc_overlap(reg, addr, attr.uuid_e)) { @@ -831,88 +1038,90 @@ static void wps_cb_set_sel_reg(struct wps_registrar *reg) if (reg->selected_registrar) { methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | + WPS_CONFIG_PHY_PUSHBUTTON); +#endif /* CONFIG_WPS2 */ if (reg->pbc) - methods |= WPS_CONFIG_PUSHBUTTON; + wps_set_pushbutton(&methods, reg->wps->config_methods); } + wpa_printf(MSG_DEBUG, "WPS: wps_cb_set_sel_reg: sel_reg=%d " + "config_methods=0x%x pbc=%d methods=0x%x", + reg->selected_registrar, reg->wps->config_methods, + reg->pbc, methods); + reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar, reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT, methods); } -/* Encapsulate WPS IE data with one (or more, if needed) IE headers */ -static struct wpabuf * wps_ie_encapsulate(struct wpabuf *data) -{ - struct wpabuf *ie; - const u8 *pos, *end; - - ie = wpabuf_alloc(wpabuf_len(data) + 100); - if (ie == NULL) { - wpabuf_free(data); - return NULL; - } - - pos = wpabuf_head(data); - end = pos + wpabuf_len(data); - - while (end > pos) { - size_t frag_len = end - pos; - if (frag_len > 251) - frag_len = 251; - wpabuf_put_u8(ie, WLAN_EID_VENDOR_SPECIFIC); - wpabuf_put_u8(ie, 4 + frag_len); - wpabuf_put_be32(ie, WPS_DEV_OUI_WFA); - wpabuf_put_data(ie, pos, frag_len); - pos += frag_len; - } - - wpabuf_free(data); - - return ie; -} - - static int wps_set_ie(struct wps_registrar *reg) { struct wpabuf *beacon; struct wpabuf *probe; + const u8 *auth_macs; + size_t count; if (reg->set_ie_cb == NULL) return 0; - wpa_printf(MSG_DEBUG, "WPS: Build Beacon and Probe Response IEs"); - - beacon = wpabuf_alloc(300); + beacon = wpabuf_alloc(400); if (beacon == NULL) return -1; - probe = wpabuf_alloc(400); + probe = wpabuf_alloc(500); if (probe == NULL) { wpabuf_free(beacon); return -1; } + auth_macs = wps_authorized_macs(reg, &count); + + wpa_printf(MSG_DEBUG, "WPS: Build Beacon IEs"); + if (wps_build_version(beacon) || wps_build_wps_state(reg->wps, beacon) || wps_build_ap_setup_locked(reg->wps, beacon) || wps_build_selected_registrar(reg, beacon) || wps_build_sel_reg_dev_password_id(reg, beacon) || wps_build_sel_reg_config_methods(reg, beacon) || - wps_build_version(probe) || + wps_build_sel_pbc_reg_uuid_e(reg, beacon) || + (reg->dualband && wps_build_rf_bands(®->wps->dev, beacon)) || + wps_build_wfa_ext(beacon, 0, auth_macs, count)) { + wpabuf_free(beacon); + wpabuf_free(probe); + return -1; + } + + wpa_printf(MSG_DEBUG, "WPS: Build Probe Response IEs"); + + if (wps_build_version(probe) || wps_build_wps_state(reg->wps, probe) || wps_build_ap_setup_locked(reg->wps, probe) || wps_build_selected_registrar(reg, probe) || wps_build_sel_reg_dev_password_id(reg, probe) || wps_build_sel_reg_config_methods(reg, probe) || - wps_build_resp_type(reg, probe) || + wps_build_resp_type(probe, reg->wps->ap ? WPS_RESP_AP : + WPS_RESP_REGISTRAR) || wps_build_uuid_e(probe, reg->wps->uuid) || wps_build_device_attrs(®->wps->dev, probe) || wps_build_probe_config_methods(reg, probe) || - wps_build_rf_bands(®->wps->dev, probe)) { + wps_build_rf_bands(®->wps->dev, probe) || + wps_build_wfa_ext(probe, 0, auth_macs, count)) { + wpabuf_free(beacon); + wpabuf_free(probe); + return -1; + } + +#ifdef CONFIG_P2P + if (wps_build_dev_name(®->wps->dev, beacon) || + wps_build_primary_dev_type(®->wps->dev, beacon)) { wpabuf_free(beacon); wpabuf_free(probe); return -1; } +#endif /* CONFIG_P2P */ beacon = wps_ie_encapsulate(beacon); probe = wps_ie_encapsulate(probe); @@ -1065,7 +1274,7 @@ static int wps_build_r_snonce2(struct wps_data *wps, struct wpabuf *msg) static int wps_build_cred_network_idx(struct wpabuf *msg, const struct wps_credential *cred) { - wpa_printf(MSG_DEBUG, "WPS: * Network Index"); + wpa_printf(MSG_DEBUG, "WPS: * Network Index (1)"); wpabuf_put_be16(msg, ATTR_NETWORK_INDEX); wpabuf_put_be16(msg, 1); wpabuf_put_u8(msg, 1); @@ -1077,6 +1286,8 @@ static int wps_build_cred_ssid(struct wpabuf *msg, const struct wps_credential *cred) { wpa_printf(MSG_DEBUG, "WPS: * SSID"); + wpa_hexdump_ascii(MSG_DEBUG, "WPS: SSID for Credential", + cred->ssid, cred->ssid_len); wpabuf_put_be16(msg, ATTR_SSID); wpabuf_put_be16(msg, cred->ssid_len); wpabuf_put_data(msg, cred->ssid, cred->ssid_len); @@ -1113,6 +1324,8 @@ static int wps_build_cred_network_key(struct wpabuf *msg, { wpa_printf(MSG_DEBUG, "WPS: * Network Key (len=%d)", (int) cred->key_len); + wpa_hexdump_key(MSG_DEBUG, "WPS: Network Key", + cred->key, cred->key_len); wpabuf_put_be16(msg, ATTR_NETWORK_KEY); wpabuf_put_be16(msg, cred->key_len); wpabuf_put_data(msg, cred->key, cred->key_len); @@ -1257,6 +1470,33 @@ int wps_build_cred(struct wps_data *wps, struct wpabuf *msg) } use_provided: +#ifdef CONFIG_WPS_TESTING + if (wps_testing_dummy_cred) + cred = wpabuf_alloc(200); + else + cred = NULL; + if (cred) { + struct wps_credential dummy; + wpa_printf(MSG_DEBUG, "WPS: Add dummy credential"); + os_memset(&dummy, 0, sizeof(dummy)); + os_memcpy(dummy.ssid, "dummy", 5); + dummy.ssid_len = 5; + dummy.auth_type = WPS_AUTH_WPA2PSK; + dummy.encr_type = WPS_ENCR_AES; + os_memcpy(dummy.key, "dummy psk", 9); + dummy.key_len = 9; + os_memcpy(dummy.mac_addr, wps->mac_addr_e, ETH_ALEN); + wps_build_credential(cred, &dummy); + wpa_hexdump_buf(MSG_DEBUG, "WPS: Dummy Credential", cred); + + wpabuf_put_be16(msg, ATTR_CRED); + wpabuf_put_be16(msg, wpabuf_len(cred)); + wpabuf_put_buf(msg, cred); + + wpabuf_free(cred); + } +#endif /* CONFIG_WPS_TESTING */ + cred = wpabuf_alloc(200); if (cred == NULL) return -1; @@ -1324,11 +1564,13 @@ static struct wpabuf * wps_build_m2(struct wps_data *wps) wps_build_config_error(msg, WPS_CFG_NO_ERROR) || wps_build_dev_password_id(msg, wps->dev_pw_id) || wps_build_os_version(&wps->wps->dev, msg) || + wps_build_wfa_ext(msg, 0, NULL, 0) || wps_build_authenticator(wps, msg)) { wpabuf_free(msg); return NULL; } + wps->int_reg = 1; wps->state = RECV_M3; return msg; } @@ -1361,7 +1603,8 @@ static struct wpabuf * wps_build_m2d(struct wps_data *wps) wps_build_rf_bands(&wps->wps->dev, msg) || wps_build_assoc_state(wps, msg) || wps_build_config_error(msg, err) || - wps_build_os_version(&wps->wps->dev, msg)) { + wps_build_os_version(&wps->wps->dev, msg) || + wps_build_wfa_ext(msg, 0, NULL, 0)) { wpabuf_free(msg); return NULL; } @@ -1396,6 +1639,7 @@ static struct wpabuf * wps_build_m4(struct wps_data *wps) wps_build_r_snonce1(wps, plain) || wps_build_key_wrap_auth(wps, plain) || wps_build_encr_settings(wps, msg, plain) || + wps_build_wfa_ext(msg, 0, NULL, 0) || wps_build_authenticator(wps, msg)) { wpabuf_free(plain); wpabuf_free(msg); @@ -1430,6 +1674,7 @@ static struct wpabuf * wps_build_m6(struct wps_data *wps) wps_build_r_snonce2(wps, plain) || wps_build_key_wrap_auth(wps, plain) || wps_build_encr_settings(wps, msg, plain) || + wps_build_wfa_ext(msg, 0, NULL, 0) || wps_build_authenticator(wps, msg)) { wpabuf_free(plain); wpabuf_free(msg); @@ -1466,6 +1711,7 @@ static struct wpabuf * wps_build_m8(struct wps_data *wps) (!wps->wps->ap && !wps->er && wps_build_ap_settings(wps, plain)) || wps_build_key_wrap_auth(wps, plain) || wps_build_encr_settings(wps, msg, plain) || + wps_build_wfa_ext(msg, 0, NULL, 0) || wps_build_authenticator(wps, msg)) { wpabuf_free(plain); wpabuf_free(msg); @@ -1491,7 +1737,8 @@ static struct wpabuf * wps_build_wsc_ack(struct wps_data *wps) if (wps_build_version(msg) || wps_build_msg_type(msg, WPS_WSC_ACK) || wps_build_enrollee_nonce(wps, msg) || - wps_build_registrar_nonce(wps, msg)) { + wps_build_registrar_nonce(wps, msg) || + wps_build_wfa_ext(msg, 0, NULL, 0)) { wpabuf_free(msg); return NULL; } @@ -1514,7 +1761,8 @@ static struct wpabuf * wps_build_wsc_nack(struct wps_data *wps) wps_build_msg_type(msg, WPS_WSC_NACK) || wps_build_enrollee_nonce(wps, msg) || wps_build_registrar_nonce(wps, msg) || - wps_build_config_error(msg, wps->config_error)) { + wps_build_config_error(msg, wps->config_error) || + wps_build_wfa_ext(msg, 0, NULL, 0)) { wpabuf_free(msg); return NULL; } @@ -1529,7 +1777,7 @@ struct wpabuf * wps_registrar_get_msg(struct wps_data *wps, struct wpabuf *msg; #ifdef CONFIG_WPS_UPNP - if (wps->wps->wps_upnp) { + if (!wps->int_reg && wps->wps->wps_upnp) { struct upnp_pending_message *p, *prev = NULL; if (wps->ext_reg > 1) wps_registrar_free_pending_m2(wps->wps); @@ -2088,6 +2336,23 @@ static enum wps_process_res wps_process_m1(struct wps_data *wps, wps->pbc = 1; } +#ifdef WPS_WORKAROUNDS + /* + * It looks like Mac OS X 10.6.3 and 10.6.4 do not like Network Key in + * passphrase format. To avoid interop issues, force PSK format to be + * used. + */ + if (!wps->use_psk_key && + wps->peer_dev.manufacturer && + os_strncmp(wps->peer_dev.manufacturer, "Apple ", 6) == 0 && + wps->peer_dev.model_name && + os_strcmp(wps->peer_dev.model_name, "AirPort") == 0) { + wpa_printf(MSG_DEBUG, "WPS: Workaround - Force Network Key in " + "PSK format"); + wps->use_psk_key = 1; + } +#endif /* WPS_WORKAROUNDS */ + wps->state = SEND_M2; return WPS_CONTINUE; } @@ -2166,6 +2431,12 @@ static enum wps_process_res wps_process_m5(struct wps_data *wps, return WPS_CONTINUE; } + if (wps_validate_m5_encr(decrypted, attr->version2 != NULL) < 0) { + wpabuf_free(decrypted); + wps->state = SEND_WSC_NACK; + return WPS_CONTINUE; + } + wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " "attribute"); if (wps_parse_msg(decrypted, &eattr) < 0 || @@ -2239,6 +2510,13 @@ static int wps_process_ap_settings_r(struct wps_data *wps, * Use the AP PIN only to receive the current AP settings, not * to reconfigure the AP. */ + + /* + * Clear selected registrar here since we do not get to + * WSC_Done in this protocol run. + */ + wps_registrar_pin_completed(wps->wps->registrar); + if (wps->ap_settings_cb) { wps->ap_settings_cb(wps->ap_settings_cb_ctx, &wps->cred); @@ -2289,6 +2567,13 @@ static enum wps_process_res wps_process_m7(struct wps_data *wps, return WPS_CONTINUE; } + if (wps_validate_m7_encr(decrypted, wps->wps->ap || wps->er, + attr->version2 != NULL) < 0) { + wpabuf_free(decrypted); + wps->state = SEND_WSC_NACK; + return WPS_CONTINUE; + } + wpa_printf(MSG_DEBUG, "WPS: Processing decrypted Encrypted Settings " "attribute"); if (wps_parse_msg(decrypted, &eattr) < 0 || @@ -2318,12 +2603,6 @@ static enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, if (wps_parse_msg(msg, &attr) < 0) return WPS_FAILURE; - if (!wps_version_supported(attr.version)) { - wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x", - attr.version ? *attr.version : 0); - return WPS_FAILURE; - } - if (attr.msg_type == NULL) { wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); return WPS_FAILURE; @@ -2339,6 +2618,8 @@ static enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, switch (*attr.msg_type) { case WPS_M1: + if (wps_validate_m1(msg) < 0) + return WPS_FAILURE; #ifdef CONFIG_WPS_UPNP if (wps->wps->wps_upnp && attr.mac_addr) { /* Remove old pending messages when starting new run */ @@ -2353,16 +2634,22 @@ static enum wps_process_res wps_process_wsc_msg(struct wps_data *wps, ret = wps_process_m1(wps, &attr); break; case WPS_M3: + if (wps_validate_m3(msg) < 0) + return WPS_FAILURE; ret = wps_process_m3(wps, msg, &attr); if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) wps_fail_event(wps->wps, WPS_M3); break; case WPS_M5: + if (wps_validate_m5(msg) < 0) + return WPS_FAILURE; ret = wps_process_m5(wps, msg, &attr); if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) wps_fail_event(wps->wps, WPS_M5); break; case WPS_M7: + if (wps_validate_m7(msg) < 0) + return WPS_FAILURE; ret = wps_process_m7(wps, msg, &attr); if (ret == WPS_FAILURE || wps->state == SEND_WSC_NACK) wps_fail_event(wps->wps, WPS_M7); @@ -2394,12 +2681,6 @@ static enum wps_process_res wps_process_wsc_ack(struct wps_data *wps, if (wps_parse_msg(msg, &attr) < 0) return WPS_FAILURE; - if (!wps_version_supported(attr.version)) { - wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x", - attr.version ? *attr.version : 0); - return WPS_FAILURE; - } - if (attr.msg_type == NULL) { wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); return WPS_FAILURE; @@ -2471,12 +2752,6 @@ static enum wps_process_res wps_process_wsc_nack(struct wps_data *wps, if (wps_parse_msg(msg, &attr) < 0) return WPS_FAILURE; - if (!wps_version_supported(attr.version)) { - wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x", - attr.version ? *attr.version : 0); - return WPS_FAILURE; - } - if (attr.msg_type == NULL) { wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); return WPS_FAILURE; @@ -2556,12 +2831,6 @@ static enum wps_process_res wps_process_wsc_done(struct wps_data *wps, if (wps_parse_msg(msg, &attr) < 0) return WPS_FAILURE; - if (!wps_version_supported(attr.version)) { - wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x", - attr.version ? *attr.version : 0); - return WPS_FAILURE; - } - if (attr.msg_type == NULL) { wpa_printf(MSG_DEBUG, "WPS: No Message Type attribute"); return WPS_FAILURE; @@ -2648,6 +2917,8 @@ static enum wps_process_res wps_process_wsc_done(struct wps_data *wps, } else { wps_registrar_pin_completed(wps->wps->registrar); } + /* TODO: maintain AuthorizedMACs somewhere separately for each ER and + * merge them into APs own list.. */ wps_success_event(wps->wps); @@ -2703,10 +2974,16 @@ enum wps_process_res wps_registrar_process_msg(struct wps_data *wps, case WSC_MSG: return wps_process_wsc_msg(wps, msg); case WSC_ACK: + if (wps_validate_wsc_ack(msg) < 0) + return WPS_FAILURE; return wps_process_wsc_ack(wps, msg); case WSC_NACK: + if (wps_validate_wsc_nack(msg) < 0) + return WPS_FAILURE; return wps_process_wsc_nack(wps, msg); case WSC_Done: + if (wps_validate_wsc_done(msg) < 0) + return WPS_FAILURE; ret = wps_process_wsc_done(wps, msg); if (ret == WPS_FAILURE) { wps->state = SEND_WSC_NACK; @@ -2743,6 +3020,7 @@ static void wps_registrar_set_selected_timeout(void *eloop_ctx, static void wps_registrar_sel_reg_add(struct wps_registrar *reg, struct subscription *s) { + int i, j; wpa_printf(MSG_DEBUG, "WPS: External Registrar selected (dev_pw_id=%d " "config_methods=0x%x)", s->dev_password_id, s->config_methods); @@ -2752,6 +3030,22 @@ static void wps_registrar_sel_reg_add(struct wps_registrar *reg, if (reg->sel_reg_config_methods_override == -1) reg->sel_reg_config_methods_override = 0; reg->sel_reg_config_methods_override |= s->config_methods; + for (i = 0; i < WPS_MAX_AUTHORIZED_MACS; i++) + if (is_zero_ether_addr(reg->authorized_macs_union[i])) + break; + for (j = 0; i < WPS_MAX_AUTHORIZED_MACS && j < WPS_MAX_AUTHORIZED_MACS; + j++) { + if (is_zero_ether_addr(s->authorized_macs[j])) + break; + wpa_printf(MSG_DEBUG, "WPS: Add authorized MAC into union: " + MACSTR, MAC2STR(s->authorized_macs[j])); + os_memcpy(reg->authorized_macs_union[i], + s->authorized_macs[j], ETH_ALEN); + i++; + } + wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union", + (u8 *) reg->authorized_macs_union, + sizeof(reg->authorized_macs_union)); } #endif /* CONFIG_WPS_UPNP */ @@ -2797,17 +3091,27 @@ void wps_registrar_selected_registrar_changed(struct wps_registrar *reg) reg->sel_reg_union = reg->selected_registrar; reg->sel_reg_dev_password_id_override = -1; reg->sel_reg_config_methods_override = -1; + os_memcpy(reg->authorized_macs_union, reg->authorized_macs, + WPS_MAX_AUTHORIZED_MACS * ETH_ALEN); + wpa_hexdump(MSG_DEBUG, "WPS: Authorized MACs union (start with own)", + (u8 *) reg->authorized_macs_union, + sizeof(reg->authorized_macs_union)); if (reg->selected_registrar) { - reg->sel_reg_config_methods_override = - reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; + u16 methods; + + methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON; +#ifdef CONFIG_WPS2 + methods &= ~(WPS_CONFIG_VIRT_PUSHBUTTON | + WPS_CONFIG_PHY_PUSHBUTTON); +#endif /* CONFIG_WPS2 */ if (reg->pbc) { reg->sel_reg_dev_password_id_override = DEV_PW_PUSHBUTTON; - reg->sel_reg_config_methods_override |= - WPS_CONFIG_PUSHBUTTON; + wps_set_pushbutton(&methods, reg->wps->config_methods); } wpa_printf(MSG_DEBUG, "WPS: Internal Registrar selected " "(pbc=%d)", reg->pbc); + reg->sel_reg_config_methods_override = methods; } else wpa_printf(MSG_DEBUG, "WPS: Internal Registrar not selected");