/*
* Wi-Fi Protected Setup - Registrar
- * Copyright (c) 2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2008-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* See README and COPYING for more details.
*/
-#include "includes.h"
+#include "utils/includes.h"
-#include "common.h"
-#include "sha256.h"
-#include "base64.h"
-#include "ieee802_11_defs.h"
-#include "eloop.h"
+#include "utils/common.h"
+#include "utils/base64.h"
+#include "utils/eloop.h"
+#include "utils/uuid.h"
+#include "utils/list.h"
+#include "crypto/crypto.h"
+#include "crypto/sha256.h"
+#include "common/ieee802_11_defs.h"
#include "wps_i.h"
#include "wps_dev_attr.h"
+#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 wps_uuid_pin *next;
+ struct dl_list list;
u8 uuid[WPS_UUID_LEN];
int wildcard_uuid;
u8 *pin;
size_t pin_len;
- int locked;
+#define PIN_LOCKED BIT(0)
+#define PIN_EXPIRES BIT(1)
+ int flags;
+ struct os_time expiration;
+ u8 enrollee_addr[ETH_ALEN];
};
}
-static void wps_free_pins(struct wps_uuid_pin *pins)
+static void wps_remove_pin(struct wps_uuid_pin *pin)
{
- struct wps_uuid_pin *pin, *prev;
+ dl_list_del(&pin->list);
+ wps_free_pin(pin);
+}
- pin = pins;
- while (pin) {
- prev = pin;
- pin = pin->next;
- wps_free_pin(prev);
- }
+
+static void wps_free_pins(struct dl_list *pins)
+{
+ struct wps_uuid_pin *pin, *prev;
+ dl_list_for_each_safe(pin, prev, pins, struct wps_uuid_pin, list)
+ wps_remove_pin(pin);
}
}
+struct wps_registrar_device {
+ struct wps_registrar_device *next;
+ struct wps_device_data dev;
+ u8 uuid[WPS_UUID_LEN];
+};
+
+
struct wps_registrar {
struct wps_context *wps;
int (*new_psk_cb)(void *ctx, const u8 *mac_addr, const u8 *psk,
size_t psk_len);
- int (*set_ie_cb)(void *ctx, const u8 *beacon_ie, size_t beacon_ie_len,
- const u8 *probe_resp_ie, size_t probe_resp_ie_len);
+ int (*set_ie_cb)(void *ctx, struct wpabuf *beacon_ie,
+ struct wpabuf *probe_resp_ie);
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 (*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 wps_uuid_pin *pins;
+ struct dl_list pins;
struct wps_pbc_session *pbc_sessions;
int skip_cred_build;
struct wpabuf *extra_cred;
+ int disable_auto_conf;
+ int sel_reg_union;
+ 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];
};
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_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;
+
+ while (dev) {
+ prev = dev;
+ dev = dev->next;
+ wps_device_data_free(&prev->dev);
+ os_free(prev);
+ }
+}
+
+
+static struct wps_registrar_device * wps_device_get(struct wps_registrar *reg,
+ const u8 *addr)
+{
+ struct wps_registrar_device *dev;
+
+ for (dev = reg->devices; dev; dev = dev->next) {
+ if (os_memcmp(dev->dev.mac_addr, addr, ETH_ALEN) == 0)
+ return dev;
+ }
+ return NULL;
+}
+
+
+static void wps_device_clone_data(struct wps_device_data *dst,
+ struct wps_device_data *src)
+{
+ os_memcpy(dst->mac_addr, src->mac_addr, ETH_ALEN);
+ os_memcpy(dst->pri_dev_type, src->pri_dev_type, WPS_DEV_TYPE_LEN);
+
+#define WPS_STRDUP(n) \
+ os_free(dst->n); \
+ dst->n = src->n ? os_strdup(src->n) : NULL
+
+ WPS_STRDUP(device_name);
+ WPS_STRDUP(manufacturer);
+ WPS_STRDUP(model_name);
+ WPS_STRDUP(model_number);
+ WPS_STRDUP(serial_number);
+#undef WPS_STRDUP
+}
+
+
+int wps_device_store(struct wps_registrar *reg,
+ struct wps_device_data *dev, const u8 *uuid)
+{
+ struct wps_registrar_device *d;
+
+ d = wps_device_get(reg, dev->mac_addr);
+ if (d == NULL) {
+ d = os_zalloc(sizeof(*d));
+ if (d == NULL)
+ return -1;
+ d->next = reg->devices;
+ reg->devices = d;
+ }
+
+ wps_device_clone_data(&d->dev, dev);
+ os_memcpy(d->uuid, uuid, WPS_UUID_LEN);
+
+ return 0;
+}
static void wps_registrar_add_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;
}
+#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)
{
static int wps_build_selected_registrar(struct wps_registrar *reg,
struct wpabuf *msg)
{
- if (!reg->selected_registrar)
+ if (!reg->sel_reg_union)
return 0;
wpa_printf(MSG_DEBUG, "WPS: * Selected Registrar");
wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR);
struct wpabuf *msg)
{
u16 id = reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT;
- if (!reg->selected_registrar)
+ if (!reg->sel_reg_union)
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);
}
+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->selected_registrar)
+ 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)",
methods);
wpabuf_put_be16(msg, ATTR_SELECTED_REGISTRAR_CONFIG_METHODS);
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);
{
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;
}
if (reg == NULL)
return NULL;
+ dl_list_init(®->pins);
reg->wps = wps;
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->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) {
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;
+ reg->dualband = cfg->dualband;
if (wps_set_ie(reg)) {
wps_registrar_deinit(reg);
if (reg == NULL)
return;
eloop_cancel_timeout(wps_registrar_pbc_timeout, reg, NULL);
- wps_free_pins(reg->pins);
+ eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+ wps_free_pins(®->pins);
wps_free_pbc_sessions(reg->pbc_sessions);
wpabuf_free(reg->extra_cred);
+ wps_free_devices(reg->devices);
os_free(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 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
os_memcpy(p->pin, pin, pin_len);
p->pin_len = pin_len;
- p->next = reg->pins;
- reg->pins = p;
+ if (timeout) {
+ p->flags |= PIN_EXPIRES;
+ os_get_time(&p->expiration);
+ p->expiration.sec += timeout;
+ }
- wpa_printf(MSG_DEBUG, "WPS: A new PIN configured");
+ dl_list_add(®->pins, &p->list);
+
+ wpa_printf(MSG_DEBUG, "WPS: A new PIN configured (timeout=%d)",
+ timeout);
wpa_hexdump(MSG_DEBUG, "WPS: UUID", uuid, WPS_UUID_LEN);
wpa_hexdump_ascii_key(MSG_DEBUG, "WPS: PIN", pin, pin_len);
reg->selected_registrar = 1;
reg->pbc = 0;
- wps_set_ie(reg);
+ 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,
+ wps_registrar_set_selected_timeout,
+ reg, NULL);
return 0;
}
+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;
+ struct os_time now;
+
+ os_get_time(&now);
+ dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list)
+ {
+ if ((pin->flags & PIN_EXPIRES) &&
+ os_time_before(&pin->expiration, &now)) {
+ wpa_hexdump(MSG_DEBUG, "WPS: Expired PIN for UUID",
+ pin->uuid, WPS_UUID_LEN);
+ 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;
+}
+
+
/**
* wps_registrar_invalidate_pin - Invalidate a PIN for a specific UUID-E
* @reg: Registrar data from wps_registrar_init()
{
struct wps_uuid_pin *pin, *prev;
- prev = NULL;
- pin = reg->pins;
- while (pin) {
+ dl_list_for_each_safe(pin, prev, ®->pins, struct wps_uuid_pin, list)
+ {
if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
- if (prev == NULL)
- reg->pins = pin->next;
- else
- prev->next = pin->next;
wpa_hexdump(MSG_DEBUG, "WPS: Invalidated PIN for UUID",
pin->uuid, WPS_UUID_LEN);
- wps_free_pin(pin);
+ wps_registrar_remove_pin(reg, pin);
return 0;
}
- prev = pin;
- pin = pin->next;
}
return -1;
static const u8 * wps_registrar_get_pin(struct wps_registrar *reg,
const u8 *uuid, size_t *pin_len)
{
- struct wps_uuid_pin *pin;
+ struct wps_uuid_pin *pin, *found = NULL;
+
+ wps_registrar_expire_pins(reg);
- pin = reg->pins;
- while (pin) {
+ dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) {
if (!pin->wildcard_uuid &&
- os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0)
+ os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
+ found = pin;
break;
- pin = pin->next;
+ }
}
- if (!pin) {
+ if (!found) {
/* Check for wildcard UUIDs since none of the UUID-specific
* PINs matched */
- pin = reg->pins;
- while (pin) {
+ dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) {
if (pin->wildcard_uuid == 1) {
wpa_printf(MSG_DEBUG, "WPS: Found a wildcard "
"PIN. Assigned it for this UUID-E");
pin->wildcard_uuid = 2;
os_memcpy(pin->uuid, uuid, WPS_UUID_LEN);
+ found = pin;
break;
}
- pin = pin->next;
}
}
- if (!pin)
+ if (!found)
return NULL;
/*
* Lock the PIN to avoid attacks based on concurrent re-use of the PIN
* that could otherwise avoid PIN invalidations.
*/
- if (pin->locked) {
+ if (found->flags & PIN_LOCKED) {
wpa_printf(MSG_DEBUG, "WPS: Selected PIN locked - do not "
"allow concurrent re-use");
return NULL;
}
- *pin_len = pin->pin_len;
- pin->locked = 1;
- return pin->pin;
+ *pin_len = found->pin_len;
+ found->flags |= PIN_LOCKED;
+ return found->pin;
}
{
struct wps_uuid_pin *pin;
- pin = reg->pins;
- while (pin) {
+ dl_list_for_each(pin, ®->pins, struct wps_uuid_pin, list) {
if (os_memcmp(pin->uuid, uuid, WPS_UUID_LEN) == 0) {
if (pin->wildcard_uuid == 2) {
wpa_printf(MSG_DEBUG, "WPS: Invalidating used "
"wildcard PIN");
return wps_registrar_invalidate_pin(reg, uuid);
}
- pin->locked = 0;
+ pin->flags &= ~PIN_LOCKED;
return 0;
}
- pin = pin->next;
}
return -1;
{
reg->selected_registrar = 0;
reg->pbc = 0;
- wps_set_ie(reg);
+ wps_registrar_selected_registrar_changed(reg);
}
struct wps_registrar *reg = eloop_ctx;
wpa_printf(MSG_DEBUG, "WPS: PBC timed out - disable PBC mode");
+ wps_pbc_timeout_event(reg->wps);
wps_registrar_stop_pbc(reg);
}
if (wps_registrar_pbc_overlap(reg, NULL, NULL)) {
wpa_printf(MSG_DEBUG, "WPS: PBC overlap - do not start PBC "
"mode");
+ wps_pbc_overlap_event(reg->wps);
return -1;
}
wpa_printf(MSG_DEBUG, "WPS: Button pushed - PBC mode started");
+ reg->force_pbc_overlap = 0;
reg->selected_registrar = 1;
reg->pbc = 1;
- wps_set_ie(reg);
+ 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);
}
+static void wps_registrar_pin_completed(struct wps_registrar *reg)
+{
+ wpa_printf(MSG_DEBUG, "WPS: PIN completed using internal Registrar");
+ eloop_cancel_timeout(wps_registrar_set_selected_timeout, reg, NULL);
+ reg->selected_registrar = 0;
+ wps_registrar_selected_registrar_changed(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()
* 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",
wps_data);
- if (wps_parse_msg(wps_data, &attr) < 0 ||
- attr.version == NULL || *attr.version != WPS_VERSION) {
- wpa_printf(MSG_DEBUG, "WPS: Unsupported ProbeReq WPS IE "
- "version 0x%x", attr.version ? *attr.version : 0);
+ if (wps_parse_msg(wps_data, &attr) < 0)
return;
- }
if (attr.config_methods == NULL) {
wpa_printf(MSG_DEBUG, "WPS: No Config Methods attribute in "
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)) {
+ wpa_printf(MSG_DEBUG, "WPS: PBC session overlap detected");
+ reg->force_pbc_overlap = 1;
+ wps_pbc_overlap_event(reg->wps);
+ }
}
}
-static int wps_cb_set_ie(struct wps_registrar *reg,
- const struct wpabuf *beacon_ie,
- const struct wpabuf *probe_resp_ie)
+static void wps_cb_reg_success(struct wps_registrar *reg, const u8 *mac_addr,
+ const u8 *uuid_e)
{
- if (reg->set_ie_cb == NULL)
- return 0;
+ if (reg->reg_success_cb == NULL)
+ return;
- return reg->set_ie_cb(reg->cb_ctx, wpabuf_head(beacon_ie),
- wpabuf_len(beacon_ie),
- wpabuf_head(probe_resp_ie),
- wpabuf_len(probe_resp_ie));
+ reg->reg_success_cb(reg->cb_ctx, mac_addr, uuid_e);
}
-/* Encapsulate WPS IE data with one (or more, if needed) IE headers */
-static struct wpabuf * wps_ie_encapsulate(struct wpabuf *data)
+static int wps_cb_set_ie(struct wps_registrar *reg, struct wpabuf *beacon_ie,
+ struct wpabuf *probe_resp_ie)
{
- struct wpabuf *ie;
- const u8 *pos, *end;
+ return reg->set_ie_cb(reg->cb_ctx, beacon_ie, probe_resp_ie);
+}
- ie = wpabuf_alloc(wpabuf_len(data) + 100);
- if (ie == NULL) {
- wpabuf_free(data);
- return NULL;
- }
- pos = wpabuf_head(data);
- end = pos + wpabuf_len(data);
+static void wps_cb_set_sel_reg(struct wps_registrar *reg)
+{
+ u16 methods = 0;
+ if (reg->set_sel_reg_cb == NULL)
+ return;
- 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;
+ 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)
+ wps_set_pushbutton(&methods, reg->wps->config_methods);
}
- wpabuf_free(data);
+ 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);
- return ie;
+ reg->set_sel_reg_cb(reg->cb_ctx, reg->selected_registrar,
+ reg->pbc ? DEV_PW_PUSHBUTTON : DEV_PW_DEFAULT,
+ methods);
}
{
struct wpabuf *beacon;
struct wpabuf *probe;
- int ret;
+ const u8 *auth_macs;
+ size_t count;
- wpa_printf(MSG_DEBUG, "WPS: Build Beacon and Probe Response IEs");
+ if (reg->set_ie_cb == NULL)
+ return 0;
- 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);
return -1;
}
- ret = wps_cb_set_ie(reg, beacon, probe);
- wpabuf_free(beacon);
- wpabuf_free(probe);
+ 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));
+ }
- return ret;
+ return wps_cb_set_ie(reg, beacon, probe);
}
static int wps_build_cred_network_idx(struct wpabuf *msg,
- struct wps_credential *cred)
+ 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);
static int wps_build_cred_ssid(struct wpabuf *msg,
- struct wps_credential *cred)
+ 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);
static int wps_build_cred_auth_type(struct wpabuf *msg,
- struct wps_credential *cred)
+ const struct wps_credential *cred)
{
wpa_printf(MSG_DEBUG, "WPS: * Authentication Type (0x%x)",
cred->auth_type);
static int wps_build_cred_encr_type(struct wpabuf *msg,
- struct wps_credential *cred)
+ const struct wps_credential *cred)
{
wpa_printf(MSG_DEBUG, "WPS: * Encryption Type (0x%x)",
cred->encr_type);
static int wps_build_cred_network_key(struct wpabuf *msg,
- struct wps_credential *cred)
+ const struct wps_credential *cred)
{
- wpa_printf(MSG_DEBUG, "WPS: * Network Key");
+ 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);
static int wps_build_cred_mac_addr(struct wpabuf *msg,
- struct wps_credential *cred)
+ const struct wps_credential *cred)
{
wpa_printf(MSG_DEBUG, "WPS: * MAC Address (" MACSTR ")",
MAC2STR(cred->mac_addr));
static int wps_build_credential(struct wpabuf *msg,
- struct wps_credential *cred)
+ const struct wps_credential *cred)
{
if (wps_build_cred_network_idx(msg, cred) ||
wps_build_cred_ssid(msg, cred) ||
}
-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;
goto skip_cred_build;
wpa_printf(MSG_DEBUG, "WPS: * Credential");
+ if (wps->use_cred) {
+ os_memcpy(&wps->cred, wps->use_cred, sizeof(wps->cred));
+ goto use_provided;
+ }
os_memset(&wps->cred, 0, sizeof(wps->cred));
os_memcpy(wps->cred.ssid, wps->wps->ssid, wps->wps->ssid_len);
}
}
wps->cred.encr_type = wps->encr_type;
- /* 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);
+ /*
+ * Set MAC address in the Credential to be the Enrollee's MAC address
+ */
+ os_memcpy(wps->cred.mac_addr, wps->mac_addr_e, 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->new_psk, wps->new_psk_len);
os_memcpy(wps->cred.key, wps->new_psk, wps->new_psk_len);
wps->cred.key_len = wps->new_psk_len;
+ } else if (wps->use_psk_key && wps->wps->psk_set) {
+ char hex[65];
+ wpa_printf(MSG_DEBUG, "WPS: Use PSK format for Network Key");
+ wpa_snprintf_hex(hex, sizeof(hex), wps->wps->psk, 32);
+ os_memcpy(wps->cred.key, hex, 32 * 2);
+ wps->cred.key_len = 32 * 2;
} else if (wps->wps->network_key) {
os_memcpy(wps->cred.key, wps->wps->network_key,
wps->wps->network_key_len);
wps->cred.key_len = wps->new_psk_len * 2;
}
+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;
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_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;
}
static struct wpabuf * wps_build_m2d(struct wps_data *wps)
{
struct wpabuf *msg;
- u16 err = WPS_CFG_NO_ERROR;
+ u16 err = wps->config_error;
wpa_printf(MSG_DEBUG, "WPS: Building Message M2D");
msg = wpabuf_alloc(1000);
if (msg == NULL)
return NULL;
- if (wps->wps->ap && wps->wps->ap_setup_locked)
+ if (wps->wps->ap && wps->wps->ap_setup_locked &&
+ err == WPS_CFG_NO_ERROR)
err = WPS_CFG_SETUP_LOCKED;
if (wps_build_version(msg) ||
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;
}
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);
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);
if (wps_build_version(msg) ||
wps_build_msg_type(msg, WPS_M8) ||
wps_build_enrollee_nonce(wps, msg) ||
- (wps->wps->ap && wps_build_cred(wps, plain)) ||
- (!wps->wps->ap && wps_build_ap_settings(wps, plain)) ||
+ ((wps->wps->ap || wps->er) && wps_build_cred(wps, plain)) ||
+ (!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);
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;
}
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;
}
{
struct wpabuf *msg;
+#ifdef CONFIG_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);
+ 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;
+ switch (p->type) {
+ case WPS_WSC_ACK:
+ *op_code = WSC_ACK;
+ break;
+ case WPS_WSC_NACK:
+ *op_code = WSC_NACK;
+ break;
+ default:
+ *op_code = WSC_MSG;
+ break;
+ }
+ os_free(p);
+ 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)
wpa_printf(MSG_DEBUG, "WPS: No match in supported "
"authentication types (own 0x%x Enrollee 0x%x)",
wps->wps->auth_types, auth_types);
+#ifdef WPS_WORKAROUNDS
+ /*
+ * Some deployed implementations seem to advertise incorrect
+ * information in this attribute. For example, Linksys WRT350N
+ * seems to have a byteorder bug that breaks this negotiation.
+ * In order to interoperate with existing implementations,
+ * assume that the Enrollee supports everything we do.
+ */
+ wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee "
+ "does not advertise supported authentication types "
+ "correctly");
+ wps->auth_type = wps->wps->auth_types;
+#else /* WPS_WORKAROUNDS */
return -1;
+#endif /* WPS_WORKAROUNDS */
}
return 0;
wps->encr_type = wps->wps->encr_types & encr_types;
if (wps->encr_type == 0) {
wpa_printf(MSG_DEBUG, "WPS: No match in supported "
- "encryption types");
+ "encryption types (own 0x%x Enrollee 0x%x)",
+ wps->wps->encr_types, encr_types);
+#ifdef WPS_WORKAROUNDS
+ /*
+ * Some deployed implementations seem to advertise incorrect
+ * information in this attribute. For example, Linksys WRT350N
+ * seems to have a byteorder bug that breaks this negotiation.
+ * In order to interoperate with existing implementations,
+ * assume that the Enrollee supports everything we do.
+ */
+ wpa_printf(MSG_DEBUG, "WPS: Workaround - assume Enrollee "
+ "does not advertise supported encryption types "
+ "correctly");
+ wps->encr_type = wps->wps->encr_types;
+#else /* WPS_WORKAROUNDS */
return -1;
+#endif /* WPS_WORKAROUNDS */
}
return 0;
m = WPA_GET_BE16(methods);
- wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x", m);
+ wpa_printf(MSG_DEBUG, "WPS: Enrollee Config Methods 0x%x"
+ "%s%s%s%s%s%s%s%s%s", m,
+ m & WPS_CONFIG_USBA ? " [USBA]" : "",
+ m & WPS_CONFIG_ETHERNET ? " [Ethernet]" : "",
+ m & WPS_CONFIG_LABEL ? " [Label]" : "",
+ m & WPS_CONFIG_DISPLAY ? " [Display]" : "",
+ m & WPS_CONFIG_EXT_NFC_TOKEN ? " [Ext NFC Token]" : "",
+ m & WPS_CONFIG_INT_NFC_TOKEN ? " [Int NFC Token]" : "",
+ m & WPS_CONFIG_NFC_INTERFACE ? " [NFC]" : "",
+ m & WPS_CONFIG_PUSHBUTTON ? " [PBC]" : "",
+ m & WPS_CONFIG_KEYPAD ? " [Keypad]" : "");
+
+ if (!(m & WPS_CONFIG_DISPLAY) && !wps->use_psk_key) {
+ /*
+ * The Enrollee does not have a display so it is unlikely to be
+ * able to show the passphrase to a user and as such, could
+ * benefit from receiving PSK to reduce key derivation time.
+ */
+ wpa_printf(MSG_DEBUG, "WPS: Prefer PSK format key due to "
+ "Enrollee not supporting display");
+ wps->use_psk_key = 1;
+ }
return 0;
}
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,
+ if (wps->wps->registrar->force_pbc_overlap ||
+ wps_registrar_pbc_overlap(wps->wps->registrar,
wps->mac_addr_e, wps->uuid_e)) {
wpa_printf(MSG_DEBUG, "WPS: PBC overlap - deny PBC "
"negotiation");
wps->state = SEND_M2D;
+ wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+ wps_pbc_overlap_event(wps->wps);
+ wps->wps->registrar->force_pbc_overlap = 1;
return WPS_CONTINUE;
}
wps_registrar_add_pbc_session(wps->wps->registrar,
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;
}
return WPS_CONTINUE;
}
+ if (wps->pbc && wps->wps->registrar->force_pbc_overlap) {
+ wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+ "session overlap");
+ wps->state = SEND_WSC_NACK;
+ wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+ return WPS_CONTINUE;
+ }
+
if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
wps_process_authenticator(wps, attr->authenticator, msg) ||
wps_process_e_hash1(wps, attr->e_hash1) ||
return WPS_CONTINUE;
}
+ if (wps->pbc && wps->wps->registrar->force_pbc_overlap) {
+ wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+ "session overlap");
+ wps->state = SEND_WSC_NACK;
+ wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+ return WPS_CONTINUE;
+ }
+
if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
wps_process_authenticator(wps, attr->authenticator, msg)) {
wps->state = SEND_WSC_NACK;
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 ||
}
+static void wps_sta_cred_cb(struct wps_data *wps)
+{
+ /*
+ * 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 "
+ "AP configuration");
+ if (wps->wps->cred_cb)
+ wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
+}
+
+
+static void wps_cred_update(struct wps_credential *dst,
+ struct wps_credential *src)
+{
+ os_memcpy(dst->ssid, src->ssid, sizeof(dst->ssid));
+ dst->ssid_len = src->ssid_len;
+ dst->auth_type = src->auth_type;
+ dst->encr_type = src->encr_type;
+ dst->key_idx = src->key_idx;
+ os_memcpy(dst->key, src->key, sizeof(dst->key));
+ dst->key_len = src->key_len;
+}
+
+
static int wps_process_ap_settings_r(struct wps_data *wps,
struct wps_parse_attr *attr)
{
- if (wps->wps->ap)
+ if (wps->wps->ap || wps->er)
return 0;
/* AP Settings Attributes in M7 when Enrollee is an AP */
wpa_printf(MSG_INFO, "WPS: Received old AP configuration from AP");
- /*
- * TODO: Provide access to AP settings and allow changes before sending
- * out M8. For now, just copy the settings unchanged into M8.
- */
+ if (wps->new_ap_settings) {
+ wpa_printf(MSG_INFO, "WPS: Update AP configuration based on "
+ "new settings");
+ wps_cred_update(&wps->cred, wps->new_ap_settings);
+ return 0;
+ } else {
+ /*
+ * Use the AP PIN only to receive the current AP settings, not
+ * to reconfigure the AP.
+ */
- return 0;
+ /*
+ * 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);
+ return 1;
+ }
+ wps_sta_cred_cb(wps);
+ return 1;
+ }
}
return WPS_CONTINUE;
}
+ if (wps->pbc && wps->wps->registrar->force_pbc_overlap) {
+ wpa_printf(MSG_DEBUG, "WPS: Reject negotiation due to PBC "
+ "session overlap");
+ wps->state = SEND_WSC_NACK;
+ wps->config_error = WPS_CFG_MULTIPLE_PBC_DETECTED;
+ return WPS_CONTINUE;
+ }
+
if (wps_process_registrar_nonce(wps, attr->registrar_nonce) ||
wps_process_authenticator(wps, attr->authenticator, msg)) {
wps->state = SEND_WSC_NACK;
decrypted = wps_decrypt_encr_settings(wps, attr->encr_settings,
attr->encr_settings_len);
if (decrypted == NULL) {
- wpa_printf(MSG_DEBUG, "WPS: Failed to decrypted Encrypted "
+ wpa_printf(MSG_DEBUG, "WPS: Failed to decrypt Encrypted "
"Settings attribute");
wps->state = SEND_WSC_NACK;
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 ||
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_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;
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 */
+ 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_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);
+ wps_fail_event(wps->wps, WPS_M3, wps->config_error);
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);
+ wps_fail_event(wps->wps, WPS_M5, wps->config_error);
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);
+ wps_fail_event(wps->wps, WPS_M7, wps->config_error);
break;
default:
wpa_printf(MSG_DEBUG, "WPS: Unsupported Message Type %d",
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_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;
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");
{
struct wps_parse_attr attr;
int old_state;
+ u16 config_error;
wpa_printf(MSG_DEBUG, "WPS: Received WSC_NACK");
if (wps_parse_msg(msg, &attr) < 0)
return WPS_FAILURE;
- if (attr.version == NULL || *attr.version != WPS_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;
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))
{
return WPS_FAILURE;
}
+ config_error = WPA_GET_BE16(attr.config_error);
wpa_printf(MSG_DEBUG, "WPS: Enrollee terminated negotiation with "
- "Configuration Error %d", WPA_GET_BE16(attr.config_error));
+ "Configuration Error %d", config_error);
switch (old_state) {
case RECV_M3:
- wps_fail_event(wps->wps, WPS_M2);
+ wps_fail_event(wps->wps, WPS_M2, config_error);
break;
case RECV_M5:
- wps_fail_event(wps->wps, WPS_M4);
+ wps_fail_event(wps->wps, WPS_M4, config_error);
break;
case RECV_M7:
- wps_fail_event(wps->wps, WPS_M6);
+ wps_fail_event(wps->wps, WPS_M6, config_error);
break;
case RECV_DONE:
- wps_fail_event(wps->wps, WPS_M8);
+ wps_fail_event(wps->wps, WPS_M8, config_error);
break;
default:
break;
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) {
- 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;
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");
+ wps_device_store(wps->wps->registrar, &wps->peer_dev,
+ wps->uuid_e);
+ 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");
+ wps_device_store(wps->wps->registrar, &wps->peer_dev,
+ wps->uuid_e);
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 "
wps->new_psk = NULL;
}
- if (!wps->wps->ap) {
- wpa_printf(MSG_DEBUG, "WPS: Update local configuration based "
- "on the modified AP configuration");
- if (wps->wps->cred_cb)
- wps->wps->cred_cb(wps->wps->cb_ctx, &wps->cred);
- }
+ if (!wps->wps->ap && !wps->er)
+ wps_sta_cred_cb(wps);
if (wps->new_psk) {
if (wps_cb_new_psk(wps->wps->registrar, wps->mac_addr_e,
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);
wps_registrar_pbc_completed(wps->wps->registrar);
+ } 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);
"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 || op_code == WSC_NACK))
+ {
+ 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);
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;
- wps_fail_event(wps->wps, WPS_WSC_DONE);
+ wps_fail_event(wps->wps, WPS_WSC_DONE,
+ wps->config_error);
}
return ret;
default:
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: Selected Registrar timeout - "
+ "unselect internal Registrar");
+ reg->selected_registrar = 0;
+ reg->pbc = 0;
+ wps_registrar_selected_registrar_changed(reg);
+}
+
+
+#ifdef CONFIG_WPS_UPNP
+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);
+ reg->sel_reg_union = 1;
+ if (reg->sel_reg_dev_password_id_override != DEV_PW_PUSHBUTTON)
+ reg->sel_reg_dev_password_id_override = s->dev_password_id;
+ 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 */
+
+
+static void wps_registrar_sel_reg_union(struct wps_registrar *reg)
+{
+#ifdef CONFIG_WPS_UPNP
+ struct subscription *s;
+
+ if (reg->wps->wps_upnp == NULL)
+ return;
+
+ dl_list_for_each(s, ®->wps->wps_upnp->subscriptions,
+ struct subscription, list) {
+ struct subscr_addr *sa;
+ sa = dl_list_first(&s->addr_list, struct subscr_addr, list);
+ if (sa) {
+ wpa_printf(MSG_DEBUG, "WPS: External Registrar %s:%d",
+ inet_ntoa(sa->saddr.sin_addr),
+ ntohs(sa->saddr.sin_port));
+ }
+ if (s->selected_registrar)
+ wps_registrar_sel_reg_add(reg, s);
+ else
+ wpa_printf(MSG_DEBUG, "WPS: External Registrar not "
+ "selected");
+ }
+#endif /* CONFIG_WPS_UPNP */
+}
+
+
+/**
+ * wps_registrar_selected_registrar_changed - SetSelectedRegistrar change
+ * @reg: Registrar data from wps_registrar_init()
+ *
+ * This function is called when selected registrar state changes, e.g., when an
+ * AP receives a SetSelectedRegistrar UPnP message.
+ */
+void wps_registrar_selected_registrar_changed(struct wps_registrar *reg)
+{
+ wpa_printf(MSG_DEBUG, "WPS: Selected registrar information changed");
+
+ 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) {
+ 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;
+ 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");
+
+ wps_registrar_sel_reg_union(reg);
+
+ wps_set_ie(reg);
+ wps_cb_set_sel_reg(reg);
+}
+
+
+int wps_registrar_get_info(struct wps_registrar *reg, const u8 *addr,
+ char *buf, size_t buflen)
+{
+ struct wps_registrar_device *d;
+ int len = 0, ret;
+ char uuid[40];
+ char devtype[WPS_DEV_TYPE_BUFSIZE];
+
+ d = wps_device_get(reg, addr);
+ if (d == NULL)
+ return 0;
+ if (uuid_bin2str(d->uuid, uuid, sizeof(uuid)))
+ return 0;
+
+ ret = os_snprintf(buf + len, buflen - len,
+ "wpsUuid=%s\n"
+ "wpsPrimaryDeviceType=%s\n"
+ "wpsDeviceName=%s\n"
+ "wpsManufacturer=%s\n"
+ "wpsModelName=%s\n"
+ "wpsModelNumber=%s\n"
+ "wpsSerialNumber=%s\n",
+ uuid,
+ wps_dev_type_bin2str(d->dev.pri_dev_type, devtype,
+ sizeof(devtype)),
+ d->dev.device_name ? d->dev.device_name : "",
+ d->dev.manufacturer ? d->dev.manufacturer : "",
+ d->dev.model_name ? d->dev.model_name : "",
+ d->dev.model_number ? d->dev.model_number : "",
+ d->dev.serial_number ? d->dev.serial_number : "");
+ if (ret < 0 || (size_t) ret >= buflen - len)
+ return len;
+ len += ret;
+
+ return len;
+}