*
* WPA supplicant library with GLib integration
*
- * Copyright (C) 2010 Intel Corporation. All rights reserved.
+ * Copyright (C) 2012 Intel Corporation. All rights reserved.
*
* 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
dbus_bool_t privacy;
dbus_bool_t psk;
dbus_bool_t ieee8021x;
+ unsigned int wps_capabilities;
};
struct _GSupplicantNetwork {
GSupplicantMode mode;
GSupplicantSecurity security;
dbus_bool_t wps;
+ unsigned int wps_capabilities;
GHashTable *bss_table;
GHashTable *config_table;
};
return interface->max_scan_ssids;
}
+static void set_network_enabled(DBusMessageIter *iter, void *user_data)
+{
+ dbus_bool_t enable = *(dbus_bool_t *)user_data;
+
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, &enable);
+}
+
+int g_supplicant_interface_enable_selected_network(GSupplicantInterface *interface,
+ dbus_bool_t enable)
+{
+ if (interface == NULL)
+ return -1;
+
+ if (interface->network_path == NULL)
+ return -1;
+
+ SUPPLICANT_DBG(" ");
+ return supplicant_dbus_property_set(interface->network_path,
+ SUPPLICANT_INTERFACE ".Network",
+ "Enabled", DBUS_TYPE_BOOLEAN_AS_STRING,
+ set_network_enabled, NULL, &enable);
+}
+
+dbus_bool_t g_supplicant_interface_get_ready(GSupplicantInterface *interface)
+{
+ if (interface == NULL)
+ return FALSE;
+
+ return interface->ready;
+}
+
GSupplicantInterface *g_supplicant_network_get_interface(
GSupplicantNetwork *network)
{
return network->wps;
}
+dbus_bool_t g_supplicant_network_is_wps_active(GSupplicantNetwork *network)
+{
+ if (network == NULL)
+ return FALSE;
+
+ if (network->wps_capabilities & G_SUPPLICANT_WPS_CONFIGURED)
+ return TRUE;
+
+ return FALSE;
+}
+
+dbus_bool_t g_supplicant_network_is_wps_pbc(GSupplicantNetwork *network)
+{
+ if (network == NULL)
+ return FALSE;
+
+ if (network->wps_capabilities & G_SUPPLICANT_WPS_PBC)
+ return TRUE;
+
+ return FALSE;
+}
+
+dbus_bool_t g_supplicant_network_is_wps_advertizing(GSupplicantNetwork *network)
+{
+ if (network == NULL)
+ return FALSE;
+
+ if (network->wps_capabilities & G_SUPPLICANT_WPS_REGISTRAR)
+ return TRUE;
+
+ return FALSE;
+}
+
static void merge_network(GSupplicantNetwork *network)
{
GString *str;
static char *create_name(unsigned char *ssid, int ssid_len)
{
- char *name;
- int i;
+ GString *string;
+ const gchar *remainder, *invalid;
+ int valid_bytes, remaining_bytes;
if (ssid_len < 1 || ssid[0] == '\0')
- name = NULL;
- else
- name = g_try_malloc0(ssid_len + 1);
-
- if (name == NULL)
return g_strdup("");
- for (i = 0; i < ssid_len; i++) {
- if (g_ascii_isprint(ssid[i]))
- name[i] = ssid[i];
- else
- name[i] = ' ';
+ string = NULL;
+ remainder = (const gchar *)ssid;
+ remaining_bytes = ssid_len;
+
+ while (remaining_bytes != 0) {
+ if (g_utf8_validate(remainder, remaining_bytes,
+ &invalid) == TRUE) {
+ break;
+ }
+
+ valid_bytes = invalid - remainder;
+
+ if (string == NULL)
+ string = g_string_sized_new(remaining_bytes);
+
+ g_string_append_len(string, remainder, valid_bytes);
+
+ /* append U+FFFD REPLACEMENT CHARACTER */
+ g_string_append(string, "\357\277\275");
+
+ remaining_bytes -= valid_bytes + 1;
+ remainder = invalid + 1;
}
- return name;
+ if (string == NULL)
+ return g_strndup((const gchar *)ssid, ssid_len + 1);
+
+ g_string_append(string, remainder);
+
+ return g_string_free(string, FALSE);
}
static char *create_group(struct g_supplicant_bss *bss)
return g_string_free(str, FALSE);
}
-static void add_bss_to_network(struct g_supplicant_bss *bss)
+static void add_or_replace_bss_to_network(struct g_supplicant_bss *bss)
{
GSupplicantInterface *interface = bss->interface;
GSupplicantNetwork *network;
char *group;
group = create_group(bss);
+ SUPPLICANT_DBG("New group created: %s", group);
+
if (group == NULL)
return;
network = g_hash_table_lookup(interface->network_table, group);
if (network != NULL) {
g_free(group);
+ SUPPLICANT_DBG("Network %s already exist", network->name);
+
goto done;
}
network->best_bss = bss;
network->wps = FALSE;
- if ((bss->keymgmt & G_SUPPLICANT_KEYMGMT_WPS) != 0)
+ if ((bss->keymgmt & G_SUPPLICANT_KEYMGMT_WPS) != 0) {
network->wps = TRUE;
+ network->wps_capabilities |= bss->wps_capabilities;
+ }
+
+ SUPPLICANT_DBG("New network %s created", network->name);
+
network->bss_table = g_hash_table_new_full(g_str_hash, g_str_equal,
NULL, remove_bss);
const unsigned char WPS_OUI[] = { 0x00, 0x50, 0xf2, 0x04 };
unsigned char *ie, *ie_end;
DBusMessageIter array;
+ unsigned int value;
int ie_len;
#define WMM_WPA1_WPS_INFO 221
#define WPS_INFO_MIN_LEN 6
#define WPS_VERSION_TLV 0x104A
#define WPS_STATE_TLV 0x1044
+#define WPS_METHODS_TLV 0x1012
+#define WPS_REGISTRAR_TLV 0x1041
#define WPS_VERSION 0x10
+#define WPS_PBC 0x04
+#define WPS_PIN 0x00
+#define WPS_CONFIGURED 0x02
dbus_message_iter_recurse(iter, &array);
dbus_message_iter_get_fixed_array(&array, &ie, &ie_len);
SUPPLICANT_DBG("IE: match WPS_OUI");
- if (get_tlv(&ie[6], ie[1],
- WPS_VERSION_TLV) == WPS_VERSION &&
- get_tlv(&ie[6], ie[1],
- WPS_STATE_TLV) != 0)
+ value = get_tlv(&ie[6], ie[1], WPS_STATE_TLV);
+ if (get_tlv(&ie[6], ie[1], WPS_VERSION_TLV) == WPS_VERSION &&
+ value != 0) {
bss->keymgmt |= G_SUPPLICANT_KEYMGMT_WPS;
+
+ if (value == WPS_CONFIGURED)
+ bss->wps_capabilities |=
+ G_SUPPLICANT_WPS_CONFIGURED;
+ }
+
+ value = get_tlv(&ie[6], ie[1], WPS_METHODS_TLV);
+ if (value != 0) {
+ if (GUINT16_FROM_BE(value) == WPS_PBC)
+ bss->wps_capabilities |= G_SUPPLICANT_WPS_PBC;
+ if (GUINT16_FROM_BE(value) == WPS_PIN)
+ bss->wps_capabilities |= G_SUPPLICANT_WPS_PIN;
+ } else
+ bss->wps_capabilities |=
+ G_SUPPLICANT_WPS_PBC | G_SUPPLICANT_WPS_PIN;
+
+ /* If the AP sends this it means it's advertizing
+ * as a registrar and the WPS process is launched
+ * on its side */
+ if (get_tlv(&ie[6], ie[1], WPS_REGISTRAR_TLV) != 0)
+ bss->wps_capabilities |= G_SUPPLICANT_WPS_REGISTRAR;
+
+ SUPPLICANT_DBG("WPS Methods 0x%x", bss->wps_capabilities);
}
}
+static void bss_compute_security(struct g_supplicant_bss *bss)
+{
+ if (bss->ieee8021x == TRUE)
+ bss->security = G_SUPPLICANT_SECURITY_IEEE8021X;
+ else if (bss->psk == TRUE)
+ bss->security = G_SUPPLICANT_SECURITY_PSK;
+ else if (bss->privacy == TRUE)
+ bss->security = G_SUPPLICANT_SECURITY_WEP;
+ else
+ bss->security = G_SUPPLICANT_SECURITY_NONE;
+}
+
+
static void bss_property(const char *key, DBusMessageIter *iter,
void *user_data)
{
SUPPLICANT_DBG("key %s", key);
- if (key == NULL) {
- if (bss->ieee8021x == TRUE)
- bss->security = G_SUPPLICANT_SECURITY_IEEE8021X;
- else if (bss->psk == TRUE)
- bss->security = G_SUPPLICANT_SECURITY_PSK;
- else if (bss->privacy == TRUE)
- bss->security = G_SUPPLICANT_SECURITY_WEP;
- else
- bss->security = G_SUPPLICANT_SECURITY_NONE;
-
- add_bss_to_network(bss);
+ if (key == NULL)
return;
- }
if (g_strcmp0(key, "BSSID") == 0) {
DBusMessageIter array;
return;
supplicant_dbus_property_foreach(iter, bss_property, bss);
- bss_property(NULL, NULL, bss);
+
+ bss_compute_security(bss);
+ add_or_replace_bss_to_network(bss);
}
static void interface_bss_added_without_keys(DBusMessageIter *iter,
supplicant_dbus_property_get_all(bss->path,
SUPPLICANT_INTERFACE ".BSS",
bss_property, bss);
+
+ bss_compute_security(bss);
+ add_or_replace_bss_to_network(bss);
}
static void update_signal(gpointer key, gpointer value,
{
GSupplicantInterface *interface;
GSupplicantNetwork *network;
+ GSupplicantSecurity old_security;
struct g_supplicant_bss *bss;
SUPPLICANT_DBG("");
supplicant_dbus_property_foreach(iter, bss_property, bss);
+ old_security = network->security;
+ bss_compute_security(bss);
+
+ if (old_security != bss->security) {
+ struct g_supplicant_bss *new_bss;
+
+ SUPPLICANT_DBG("New network security for %s", bss->ssid);
+
+ /* Security change policy:
+ * - we first copy the current bss into a new one with
+ * its own pointer (path)
+ * - we remove the current bss related nework which will
+ * tell the plugin about such removal. This is done due
+ * to the fact that a security change means a group change
+ * so a complete network change.
+ * (current bss becomes invalid as well)
+ * - we add the new bss: it adds new network and tell the
+ * plugin about it. */
+
+ new_bss = g_try_new0(struct g_supplicant_bss, 1);
+ if (new_bss == NULL)
+ return;
+
+ memcpy(new_bss, bss, sizeof(struct g_supplicant_bss));
+ new_bss->path = g_strdup(bss->path);
+
+ g_hash_table_remove(interface->network_table, network->group);
+
+ add_or_replace_bss_to_network(new_bss);
+
+ return;
+ }
+
if (bss->signal == network->signal)
return;
int err = -ECANCELED;
char *key;
+ /* If the given passphrase is malformed wpa_s returns
+ * "invalid message format" but this error should be interpreted as
+ * invalid-key.
+ */
while (dbus_message_iter_get_arg_type(iter) == DBUS_TYPE_STRING) {
dbus_message_iter_get_basic(iter, &key);
- if (strncmp(key, "psk", 4) == 0 ||
- strncmp(key, "wep_key", 7) == 0) {
+ if (strncmp(key, "psk", 3) == 0 ||
+ strncmp(key, "wep_key", 7) == 0 ||
+ strcmp(key, "invalid message format") == 0) {
err = -ENOKEY;
break;
}
supplicant_dbus_dict_append_basic(&dict, "frequency",
DBUS_TYPE_UINT32, &ssid->freq);
+ if (ssid->bgscan != NULL)
+ supplicant_dbus_dict_append_basic(&dict, "bgscan",
+ DBUS_TYPE_STRING, &ssid->bgscan);
+
add_network_mode(&dict, ssid);
add_network_security(&dict, ssid);
callback_system_killed();
if (interface_table != NULL) {
- g_hash_table_foreach(interface_table,
+ g_hash_table_foreach(interface_table,
unregister_remove_interface, NULL);
g_hash_table_destroy(interface_table);
interface_table = NULL;
projects / platform / upstream / connman.git / blobdiff