#include "eloop.h"
#include "wps_i.h"
#include "wps_dev_attr.h"
+#include "wps_upnp.h"
+#include "crypto.h"
struct wps_uuid_pin {
const u8 *probe_resp_ie, size_t probe_resp_ie_len);
void (*pin_needed_cb)(void *ctx, const u8 *uuid_e,
const struct wps_device_data *dev);
+ void (*reg_success_cb)(void *ctx, const u8 *mac_addr,
+ const u8 *uuid_e);
void *cb_ctx;
struct wps_uuid_pin *pins;
int skip_cred_build;
struct wpabuf *extra_cred;
+ int disable_auto_conf;
+ int sel_reg_dev_password_id_override;
+ int sel_reg_config_methods_override;
+ int static_wep_only;
};
static int wps_set_ie(struct wps_registrar *reg);
static void wps_registrar_pbc_timeout(void *eloop_ctx, void *timeout_ctx);
+static void wps_registrar_set_selected_timeout(void *eloop_ctx,
+ void *timeout_ctx);
static void wps_registrar_add_pbc_session(struct wps_registrar *reg,
}
+#ifdef CONFIG_WPS_UPNP
+static void wps_registrar_free_pending_m2(struct wps_context *wps)
+{
+ struct upnp_pending_message *p, *p2, *prev = NULL;
+ p = wps->upnp_msgs;
+ while (p) {
+ if (p->type == WPS_M2 || p->type == WPS_M2D) {
+ if (prev == NULL)
+ wps->upnp_msgs = p->next;
+ else
+ prev->next = p->next;
+ wpa_printf(MSG_DEBUG, "WPS UPnP: Drop pending M2/M2D");
+ p2 = p;
+ p = p->next;
+ wpabuf_free(p2->msg);
+ os_free(p2);
+ continue;
+ }
+ prev = p;
+ p = p->next;
+ }
+}
+#endif /* CONFIG_WPS_UPNP */
+
+
static int wps_build_ap_setup_locked(struct wps_context *wps,
struct wpabuf *msg)
{
u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT;
if (!reg->selected_registrar)
return 0;
+ if (reg->sel_reg_dev_password_id_override >= 0)
+ id = reg->sel_reg_dev_password_id_override;
wpa_printf(MSG_DEBUG, "WPS: * Device Password ID (%d)", id);
wpabuf_put_be16(msg, ATTR_DEV_PASSWORD_ID);
wpabuf_put_be16(msg, 2);
methods = reg->wps->config_methods & ~WPS_CONFIG_PUSHBUTTON;
if (reg->pbc)
methods |= WPS_CONFIG_PUSHBUTTON;
+ 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)",
methods);
wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS);
reg->new_psk_cb = cfg->new_psk_cb;
reg->set_ie_cb = cfg->set_ie_cb;
reg->pin_needed_cb = cfg->pin_needed_cb;
+ reg->reg_success_cb = cfg->reg_success_cb;
reg->cb_ctx = cfg->cb_ctx;
reg->skip_cred_build = cfg->skip_cred_build;
if (cfg->extra_cred) {
return NULL;
}
}
+ reg->disable_auto_conf = cfg->disable_auto_conf;
+ reg->sel_reg_dev_password_id_override = -1;
+ reg->sel_reg_config_methods_override = -1;
+ reg->static_wep_only = cfg->static_wep_only;
if (wps_set_ie(reg)) {
wps_registrar_deinit(reg);
if (reg == NULL)
return;
eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL);
+ eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
wps_free_pins(reg->pins);
wps_free_pbc_sessions(reg->pbc_sessions);
wpabuf_free(reg->extra_cred);
"WPS: Probe Request with WPS data received",
wps_data);
- if (wps_parse_msg(wps_data, &attr) < 0 ||
- attr.version == NULL || *attr.version != WPS_VERSION) {
+ 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;
}
+static void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr,
+ const u8 *uuid_e)
+{
+ if (reg->reg_success_cb == NULL)
+ return;
+
+ reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e);
+}
+
+
static int wps_cb_set_ie(struct wps_registrar *reg,
const struct wpabuf *beacon_ie,
const struct wpabuf *probe_resp_ie)
return -1;
}
+ if (reg->static_wep_only) {
+ /*
+ * Windows XP and Vista clients can get confused about
+ * EAP-Identity/Request when they probe the network with
+ * EAPOL-Start. In such a case, they may assume the network is
+ * using IEEE 802.1X and prompt user for a certificate while
+ * the correct (non-WPS) behavior would be to ask for the
+ * static WEP key. As a workaround, use Microsoft Provisioning
+ * IE to advertise that legacy 802.1X is not supported.
+ */
+ const u8 ms_wps[7] = {
+ WLAN_EID_VENDOR_SPECIFIC, 5,
+ /* Microsoft Provisioning IE (00:50:f2:5) */
+ 0x00, 0x50, 0xf2, 5,
+ 0x00 /* no legacy 802.1X or MS WPS */
+ };
+ wpa_printf(MSG_DEBUG, "WPS: Add Microsoft Provisioning IE "
+ "into Beacon/Probe Response frames");
+ wpabuf_put_data(beacon, ms_wps, sizeof(ms_wps));
+ wpabuf_put_data(probe, ms_wps, sizeof(ms_wps));
+ }
+
ret = wps_cb_set_ie(reg, beacon, probe);
wpabuf_free(beacon);
wpabuf_free(probe);
static int wps_build_cred_mac_addr(struct wpabuf *msg,
struct wps_credential *cred)
{
- wpa_printf(MSG_DEBUG, "WPS: * MAC Address");
+ wpa_printf(MSG_DEBUG, "WPS: * MAC Address (" MACSTR ")",
+ MAC2STR(cred->mac_addr));
wpabuf_put_be16(msg, ATTR_MAC_ADDR);
wpabuf_put_be16(msg, ETH_ALEN);
wpabuf_put_data(msg, cred->mac_addr, ETH_ALEN);
}
-static int wps_build_cred(struct wps_data *wps, struct wpabuf *msg)
+int wps_build_cred(struct wps_data *wps, struct wpabuf *msg)
{
struct wpabuf *cred;
}
}
wps->cred.encr_type = wps->encr_type;
- os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, ETH_ALEN);
+ /* Set MAC address in the Credential to be the AP's address (BSSID) */
+ os_memcpy(wps->cred.mac_addr, wps->wps->dev.mac_addr, ETH_ALEN);
- if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap) {
+ if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->wps->ap &&
+ !wps->wps->registrar->disable_auto_conf) {
u8 r[16];
/* Generate a random passphrase */
if (os_get_random(r, sizeof(r)) < 0)
wps_build_rf_bands(&wps->wps->dev, msg) ||
wps_build_assoc_state(wps, msg) ||
wps_build_config_error(msg, WPS_CFG_NO_ERROR) ||
- wps_build_dev_password_id(msg, DEV_PW_DEFAULT) ||
+ wps_build_dev_password_id(msg, wps->dev_pw_id) ||
wps_build_os_version(&wps->wps->dev, msg) ||
wps_build_authenticator(wps, msg)) {
wpabuf_free(msg);
{
struct wpabuf *msg;
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp) {
+ struct upnp_pending_message *p, *prev = NULL;
+ if (wps->ext_reg > 1)
+ wps_registrar_free_pending_m2(wps->wps);
+ p = wps->wps->upnp_msgs;
+ /* TODO: check pending message MAC address */
+ while (p && p->next) {
+ prev = p;
+ p = p->next;
+ }
+ if (p) {
+ wpa_printf(MSG_DEBUG, "WPS: Use pending message from "
+ "UPnP");
+ if (prev)
+ prev->next = NULL;
+ else
+ wps->wps->upnp_msgs = NULL;
+ msg = p->msg;
+ os_free(p);
+ *op_code = WSC_MSG;
+ if (wps->ext_reg == 0)
+ wps->ext_reg = 1;
+ return msg;
+ }
+ }
+ if (wps->ext_reg) {
+ wpa_printf(MSG_DEBUG, "WPS: Using external Registrar, but no "
+ "pending message available");
+ return NULL;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
switch (wps->state) {
case SEND_M2:
if (wps_get_dev_password(wps) < 0)
wpa_printf(MSG_DEBUG, "WPS: E-Hash1 derived from E-S1 does "
"not match with the pre-committed value");
wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+ wps_pwd_auth_fail_event(wps->wps, 0, 1);
return -1;
}
"not match with the pre-committed value");
wps_registrar_invalidate_pin(wps->wps->registrar, wps->uuid_e);
wps->config_error = WPS_CFG_DEV_PASSWORD_AUTH_FAILURE;
+ wps_pwd_auth_fail_event(wps->wps, 0, 2);
return -1;
}
return -1;
}
+#ifdef CONFIG_WPS_OOB
+ if (wps->wps->oob_conf.pubkey_hash != NULL) {
+ const u8 *addr[1];
+ u8 hash[WPS_HASH_LEN];
+
+ addr[0] = pk;
+ sha256_vector(1, addr, &pk_len, hash);
+ if (os_memcmp(hash,
+ wpabuf_head(wps->wps->oob_conf.pubkey_hash),
+ WPS_OOB_PUBKEY_HASH_LEN) != 0) {
+ wpa_printf(MSG_ERROR, "WPS: Public Key hash error");
+ return -1;
+ }
+ }
+#endif /* CONFIG_WPS_OOB */
+
wpabuf_free(wps->dh_pubkey_e);
wps->dh_pubkey_e = wpabuf_alloc_copy(pk, pk_len);
if (wps->dh_pubkey_e == NULL)
wps_process_os_version(&wps->peer_dev, attr->os_version))
return WPS_FAILURE;
- if (wps->dev_pw_id != DEV_PW_DEFAULT &&
+ if (wps->dev_pw_id < 0x10 &&
+ wps->dev_pw_id != DEV_PW_DEFAULT &&
wps->dev_pw_id != DEV_PW_USER_SPECIFIED &&
wps->dev_pw_id != DEV_PW_MACHINE_SPECIFIED &&
wps->dev_pw_id != DEV_PW_REGISTRAR_SPECIFIED &&
return WPS_CONTINUE;
}
+#ifdef CONFIG_WPS_OOB
+ if (wps->dev_pw_id >= 0x10 &&
+ wps->dev_pw_id != wps->wps->oob_dev_pw_id) {
+ wpa_printf(MSG_DEBUG, "WPS: OOB Device Password ID "
+ "%d mismatch", wps->dev_pw_id);
+ wps->state = SEND_M2D;
+ return WPS_CONTINUE;
+ }
+#endif /* CONFIG_WPS_OOB */
+
if (wps->dev_pw_id == DEV_PW_PUSHBUTTON) {
if (wps_registrar_pbc_overlap(wps->wps->registrar,
wps->mac_addr_e, wps->uuid_e)) {
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_VERSION) {
+ if (!wps_version_supported(attr.version)) {
wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x",
attr.version ? *attr.version : 0);
return WPS_FAILURE;
switch (*attr.msg_type) {
case WPS_M1:
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp && attr.mac_addr) {
+ /* Remove old pending messages when starting new run */
+ wps_free_pending_msgs(wps->wps->upnp_msgs);
+ wps->wps->upnp_msgs = NULL;
+
+ upnp_wps_device_send_wlan_event(
+ wps->wps->wps_upnp, attr.mac_addr,
+ UPNP_WPS_WLANEVENT_TYPE_EAP, msg);
+ }
+#endif /* CONFIG_WPS_UPNP */
ret = wps_process_m1(wps, &attr);
break;
case WPS_M3:
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_VERSION) {
+ if (!wps_version_supported(attr.version)) {
wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x",
attr.version ? *attr.version : 0);
return WPS_FAILURE;
return WPS_FAILURE;
}
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp && wps->ext_reg && wps->state == RECV_M2D_ACK &&
+ upnp_wps_subscribers(wps->wps->wps_upnp)) {
+ if (wps->wps->upnp_msgs)
+ return WPS_CONTINUE;
+ wpa_printf(MSG_DEBUG, "WPS: Wait for response from an "
+ "external Registrar");
+ return WPS_PENDING;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
if (attr.registrar_nonce == NULL ||
os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
{
}
if (wps->state == RECV_M2D_ACK) {
- /* TODO: support for multiple registrars and sending of
- * multiple M2/M2D messages */
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp &&
+ upnp_wps_subscribers(wps->wps->wps_upnp)) {
+ if (wps->wps->upnp_msgs)
+ return WPS_CONTINUE;
+ if (wps->ext_reg == 0)
+ wps->ext_reg = 1;
+ wpa_printf(MSG_DEBUG, "WPS: Wait for response from an "
+ "external Registrar");
+ return WPS_PENDING;
+ }
+#endif /* CONFIG_WPS_UPNP */
wpa_printf(MSG_DEBUG, "WPS: No more registrars available - "
"terminate negotiation");
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_VERSION) {
+ if (!wps_version_supported(attr.version)) {
wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x",
attr.version ? *attr.version : 0);
return WPS_FAILURE;
return WPS_FAILURE;
}
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp && wps->ext_reg) {
+ wpa_printf(MSG_DEBUG, "WPS: Negotiation using external "
+ "Registrar terminated by the Enrollee");
+ return WPS_FAILURE;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
if (attr.registrar_nonce == NULL ||
os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
{
wpa_printf(MSG_DEBUG, "WPS: Received WSC_Done");
- if (wps->state != RECV_DONE) {
+ if (wps->state != RECV_DONE &&
+ (!wps->wps->wps_upnp || !wps->ext_reg)) {
wpa_printf(MSG_DEBUG, "WPS: Unexpected state (%d) for "
"receiving WSC_Done", wps->state);
return WPS_FAILURE;
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_VERSION) {
+ if (!wps_version_supported(attr.version)) {
wpa_printf(MSG_DEBUG, "WPS: Unsupported message version 0x%x",
attr.version ? *attr.version : 0);
return WPS_FAILURE;
return WPS_FAILURE;
}
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp && wps->ext_reg) {
+ wpa_printf(MSG_DEBUG, "WPS: Negotiation using external "
+ "Registrar completed successfully");
+ return WPS_DONE;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
if (attr.registrar_nonce == NULL ||
os_memcmp(wps->nonce_r, attr.registrar_nonce, WPS_NONCE_LEN != 0))
{
wpa_printf(MSG_DEBUG, "WPS: Negotiation completed successfully");
if (wps->wps->wps_state == WPS_STATE_NOT_CONFIGURED && wps->new_psk &&
- wps->wps->ap) {
+ wps->wps->ap && !wps->wps->registrar->disable_auto_conf) {
struct wps_credential cred;
wpa_printf(MSG_DEBUG, "WPS: Moving to Configured state based "
}
if (!wps->wps->ap) {
+ /*
+ * Update credential to only include a single authentication
+ * and encryption type in case the AP configuration includes
+ * more than one option.
+ */
+ if (wps->cred.auth_type & WPS_AUTH_WPA2PSK)
+ wps->cred.auth_type = WPS_AUTH_WPA2PSK;
+ else if (wps->cred.auth_type & WPS_AUTH_WPAPSK)
+ wps->cred.auth_type = WPS_AUTH_WPAPSK;
+ if (wps->cred.encr_type & WPS_ENCR_AES)
+ wps->cred.encr_type = WPS_ENCR_AES;
+ else if (wps->cred.encr_type & WPS_ENCR_TKIP)
+ wps->cred.encr_type = WPS_ENCR_TKIP;
wpa_printf(MSG_DEBUG, "WPS: Update local configuration based "
"on the modified AP configuration");
if (wps->wps->cred_cb)
wps->new_psk = NULL;
}
+ wps_cb_reg_success(wps->wps->registrar, wps->mac_addr_e, wps->uuid_e);
+
if (wps->pbc) {
wps_registrar_remove_pbc_session(wps->wps->registrar,
wps->mac_addr_e, wps->uuid_e);
"op_code=%d)",
(unsigned long) wpabuf_len(msg), op_code);
+#ifdef CONFIG_WPS_UPNP
+ if (wps->wps->wps_upnp && op_code == WSC_MSG && wps->ext_reg == 1) {
+ struct wps_parse_attr attr;
+ if (wps_parse_msg(msg, &attr) == 0 && attr.msg_type &&
+ *attr.msg_type == WPS_M3)
+ wps->ext_reg = 2; /* past M2/M2D phase */
+ }
+ if (wps->ext_reg > 1)
+ wps_registrar_free_pending_m2(wps->wps);
+ if (wps->wps->wps_upnp && wps->ext_reg &&
+ wps->wps->upnp_msgs == NULL &&
+ (op_code == WSC_MSG || op_code == WSC_Done)) {
+ struct wps_parse_attr attr;
+ int type;
+ if (wps_parse_msg(msg, &attr) < 0 || attr.msg_type == NULL)
+ type = -1;
+ else
+ type = *attr.msg_type;
+ wpa_printf(MSG_DEBUG, "WPS: Sending received message (type %d)"
+ " to external Registrar for processing", type);
+ upnp_wps_device_send_wlan_event(wps->wps->wps_upnp,
+ wps->mac_addr_e,
+ UPNP_WPS_WLANEVENT_TYPE_EAP,
+ msg);
+ if (op_code == WSC_MSG)
+ return WPS_PENDING;
+ } else if (wps->wps->wps_upnp && wps->ext_reg && op_code == WSC_MSG) {
+ wpa_printf(MSG_DEBUG, "WPS: Skip internal processing - using "
+ "external Registrar");
+ return WPS_CONTINUE;
+ }
+#endif /* CONFIG_WPS_UPNP */
+
switch (op_code) {
case WSC_MSG:
return wps_process_wsc_msg(wps, msg);
return WPS_FAILURE;
}
}
+
+
+int wps_registrar_update_ie(struct wps_registrar *reg)
+{
+ return wps_set_ie(reg);
+}
+
+
+static void wps_registrar_set_selected_timeout(void *eloop_ctx,
+ void *timeout_ctx)
+{
+ struct wps_registrar *reg = eloop_ctx;
+
+ wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar timed out - "
+ "unselect Registrar");
+ reg->selected_registrar = 0;
+ reg->pbc = 0;
+ reg->sel_reg_dev_password_id_override = -1;
+ reg->sel_reg_config_methods_override = -1;
+ wps_set_ie(reg);
+}
+
+
+/**
+ * wps_registrar_set_selected_registrar - Notification of SetSelectedRegistrar
+ * @reg: Registrar data from wps_registrar_init()
+ * @msg: Received message from SetSelectedRegistrar
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function is called when an AP receives a SetSelectedRegistrar UPnP
+ * message.
+ */
+int wps_registrar_set_selected_registrar(struct wps_registrar *reg,
+ const struct wpabuf *msg)
+{
+ struct wps_parse_attr attr;
+
+ wpa_hexdump_buf(MSG_MSGDUMP, "WPS: SetSelectedRegistrar attributes",
+ msg);
+
+ if (wps_parse_msg(msg, &attr) < 0)
+ return -1;
+ if (!wps_version_supported(attr.version)) {
+ wpa_printf(MSG_DEBUG, "WPS: Unsupported SetSelectedRegistrar "
+ "version 0x%x", attr.version ? *attr.version : 0);
+ return -1;
+ }
+
+ if (attr.selected_registrar == NULL ||
+ *attr.selected_registrar == 0) {
+ wpa_printf(MSG_DEBUG, "WPS: SetSelectedRegistrar: Disable "
+ "Selected Registrar");
+ eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg,
+ NULL);
+ wps_registrar_set_selected_timeout(reg, NULL);
+ return 0;
+ }
+
+ reg->selected_registrar = 1;
+ reg->sel_reg_dev_password_id_override = attr.dev_password_id ?
+ WPA_GET_BE16(attr.dev_password_id) : DEV_PW_DEFAULT;
+ reg->sel_reg_config_methods_override = attr.sel_reg_config_methods ?
+ WPA_GET_BE16(attr.sel_reg_config_methods) : -1;
+ wps_set_ie(reg);
+
+ eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+ eloop_register_timeout(WPS_PBC_WALK_TIME, 0,
+ wps_registrar_set_selected_timeout,
+ reg, NULL);
+ return 0;
+}
projects / wpasupplicant / blobdiff