/**
* wpas_dbus_global_get_interface - Get the object path for an interface name
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: The object path of the interface object,
* or a dbus error message with more information
*
* Handler function for "getInterface" method call. Handles requests
* by dbus clients for the object path of an specific network interface.
*/
DBusMessage * wpas_dbus_global_get_interface(DBusMessage *message,
struct wpa_global *global)
{
DBusMessage *reply = NULL;
const char *ifname;
const char *path;
struct wpa_supplicant *wpa_s;
if (!dbus_message_get_args(message, NULL,
DBUS_TYPE_STRING, &ifname,
DBUS_TYPE_INVALID)) {
reply = wpas_dbus_new_invalid_opts_error(message, NULL);
goto out;
}
wpa_s = wpa_supplicant_get_iface(global, ifname);
if (wpa_s == NULL) {
reply = wpas_dbus_new_invalid_iface_error(message);
goto out;
}
path = wpa_s->dbus_path;
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply,
DBUS_TYPE_OBJECT_PATH, &path,
DBUS_TYPE_INVALID);
out:
return reply;
}
status_t
WPASupplicantApp::_NotifyNetworkEvent(BMessage *message)
{
// Verify that the interface is still there.
BString interfaceName;
if (message->FindString("interface", &interfaceName) != B_OK)
return B_ERROR;
interfaceName.Prepend("/dev/");
wpa_supplicant *interface = wpa_supplicant_get_iface(fWPAGlobal,
interfaceName.String());
if (interface == NULL)
return B_ENTRY_NOT_FOUND;
void (*callback)(void *context, void *data, int opcode) = NULL;
status_t result = message->FindPointer("callback", (void **)&callback);
if (result != B_OK)
return result;
void *context = NULL;
result = message->FindPointer("context", &context);
if (result != B_OK)
return result;
void *data = NULL;
message->FindPointer("data", &data);
callback(context, data, message->FindInt32("opcode"));
return B_OK;
}
static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
char *cmd)
{
struct wpa_supplicant *wpa_s;
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
wpa_s = wpa_supplicant_get_iface(global, cmd);
if (wpa_s == NULL)
return -1;
return wpa_supplicant_remove_iface(global, wpa_s);
}
status_t
WPASupplicantApp::_LeaveNetwork(BMessage *message)
{
const char *interfaceName = NULL;
status_t status = message->FindString("device", &interfaceName);
if (status != B_OK)
return status;
wpa_supplicant *interface = wpa_supplicant_get_iface(fWPAGlobal,
interfaceName);
if (interface == NULL)
return B_ENTRY_NOT_FOUND;
if (wpa_supplicant_remove_iface(fWPAGlobal, interface, 0) != 0)
return B_ERROR;
return B_OK;
}
static int wpa_supplicant_global_iface_add(struct wpa_global *global,
char *cmd)
{
struct wpa_interface iface;
char *pos;
/*
* <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
* TAB<bridge_ifname>
*/
wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
os_memset(&iface, 0, sizeof(iface));
do {
iface.ifname = pos = cmd;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.ifname[0] == '\0')
return -1;
if (pos == NULL)
break;
iface.confname = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.confname[0] == '\0')
iface.confname = NULL;
if (pos == NULL)
break;
iface.driver = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.driver[0] == '\0')
iface.driver = NULL;
if (pos == NULL)
break;
iface.ctrl_interface = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.ctrl_interface[0] == '\0')
iface.ctrl_interface = NULL;
if (pos == NULL)
break;
iface.driver_param = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.driver_param[0] == '\0')
iface.driver_param = NULL;
if (pos == NULL)
break;
iface.bridge_ifname = pos;
pos = os_strchr(pos, '\t');
if (pos)
*pos++ = '\0';
if (iface.bridge_ifname[0] == '\0')
iface.bridge_ifname = NULL;
if (pos == NULL)
break;
} while (0);
if (wpa_supplicant_get_iface(global, iface.ifname))
return -1;
return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
}
/**
* wpas_dbus_global_add_interface - Request registration of a network interface
* @message: Pointer to incoming dbus message
* @global: %wpa_supplicant global data structure
* Returns: The object path of the new interface object,
* or a dbus error message with more information
*
* Handler function for "addInterface" method call. Handles requests
* by dbus clients to register a network interface that wpa_supplicant
* will manage.
*/
DBusMessage * wpas_dbus_global_add_interface(DBusMessage *message,
struct wpa_global *global)
{
char *ifname = NULL;
char *driver = NULL;
char *driver_param = NULL;
char *confname = NULL;
char *bridge_ifname = NULL;
DBusMessage *reply = NULL;
DBusMessageIter iter;
dbus_message_iter_init(message, &iter);
/* First argument: interface name (DBUS_TYPE_STRING)
* Required; must be non-zero length
*/
if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
goto error;
dbus_message_iter_get_basic(&iter, &ifname);
if (!os_strlen(ifname))
goto error;
/* Second argument: dict of options */
if (dbus_message_iter_next(&iter)) {
DBusMessageIter iter_dict;
struct wpa_dbus_dict_entry entry;
if (!wpa_dbus_dict_open_read(&iter, &iter_dict))
goto error;
while (wpa_dbus_dict_has_dict_entry(&iter_dict)) {
if (!wpa_dbus_dict_get_entry(&iter_dict, &entry))
goto error;
if (!strcmp(entry.key, "driver") &&
(entry.type == DBUS_TYPE_STRING)) {
driver = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (driver == NULL)
goto error;
} else if (!strcmp(entry.key, "driver-params") &&
(entry.type == DBUS_TYPE_STRING)) {
driver_param = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (driver_param == NULL)
goto error;
} else if (!strcmp(entry.key, "config-file") &&
(entry.type == DBUS_TYPE_STRING)) {
confname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (confname == NULL)
goto error;
} else if (!strcmp(entry.key, "bridge-ifname") &&
(entry.type == DBUS_TYPE_STRING)) {
bridge_ifname = os_strdup(entry.str_value);
wpa_dbus_dict_entry_clear(&entry);
if (bridge_ifname == NULL)
goto error;
} else {
wpa_dbus_dict_entry_clear(&entry);
goto error;
}
}
}
/*
* Try to get the wpa_supplicant record for this iface, return
* an error if we already control it.
*/
if (wpa_supplicant_get_iface(global, ifname) != NULL) {
reply = dbus_message_new_error(message,
WPAS_ERROR_EXISTS_ERROR,
"wpa_supplicant already "
"controls this interface.");
} else {
struct wpa_supplicant *wpa_s;
struct wpa_interface iface;
os_memset(&iface, 0, sizeof(iface));
iface.ifname = ifname;
iface.driver = driver;
iface.driver_param = driver_param;
iface.confname = confname;
iface.bridge_ifname = bridge_ifname;
/* Otherwise, have wpa_supplicant attach to it. */
if ((wpa_s = wpa_supplicant_add_iface(global, &iface))) {
const char *path = wpa_s->dbus_path;
reply = dbus_message_new_method_return(message);
dbus_message_append_args(reply, DBUS_TYPE_OBJECT_PATH,
&path, DBUS_TYPE_INVALID);
} else {
reply = dbus_message_new_error(message,
WPAS_ERROR_ADD_ERROR,
"wpa_supplicant "
"couldn't grab this "
"interface.");
}
}
out:
os_free(driver);
os_free(driver_param);
os_free(confname);
os_free(bridge_ifname);
return reply;
error:
reply = wpas_dbus_new_invalid_opts_error(message, NULL);
goto out;
}
status_t
WPASupplicantApp::_JoinNetwork(BMessage *message)
{
const char *interfaceName = NULL;
status_t status = message->FindString("device", &interfaceName);
if (status != B_OK)
return status;
// Check if we already registered this interface.
wpa_supplicant *interface = wpa_supplicant_get_iface(fWPAGlobal,
interfaceName);
if (interface == NULL) {
wpa_interface interfaceOptions;
memset(&interfaceOptions, 0, sizeof(wpa_interface));
interfaceOptions.ifname = interfaceName;
interface = wpa_supplicant_add_iface(fWPAGlobal, &interfaceOptions);
if (interface == NULL)
return B_NO_MEMORY;
} else {
// Disable everything
wpa_supplicant_disable_network(interface, NULL);
// Try to remove any existing network
while (true) {
wpa_ssid *network = wpa_config_get_network(interface->conf, 0);
if (network == NULL)
break;
wpas_notify_network_removed(interface, network);
wpa_config_remove_network(interface->conf, network->id);
}
}
const char *networkName = NULL;
status = message->FindString("name", &networkName);
if (status != B_OK)
return status;
uint32 authMode = B_NETWORK_AUTHENTICATION_NONE;
status = message->FindUInt32("authentication", &authMode);
if (status != B_OK)
return status;
uint32 encapMode = B_NETWORK_EAP_ENCAPSULATION_NONE;
if (authMode == B_NETWORK_AUTHENTICATION_EAP)
message->FindUInt32("encapsulation", &encapMode);
const char *username = NULL;
if (encapMode > B_NETWORK_EAP_ENCAPSULATION_NONE) {
status = message->FindString("username", &username);
if (status != B_OK)
return status;
}
const char *password = NULL;
if (authMode > B_NETWORK_AUTHENTICATION_NONE) {
status = message->FindString("password", &password);
if (status != B_OK)
return status;
}
wpa_ssid *network = wpa_config_add_network(interface->conf);
if (network == NULL)
return B_NO_MEMORY;
wpas_notify_network_added(interface, network);
network->disabled = 1;
wpa_config_set_network_defaults(network);
// Fill in the info from the join request
// The format includes the quotes
BString value;
value = "\"";
value += networkName;
value += "\"";
int result = wpa_config_set(network, "ssid", value.String(), 0);
if (result == 0)
result = wpa_config_set(network, "scan_ssid", "1", 1);
if (authMode >= B_NETWORK_AUTHENTICATION_WPA) {
if (result == 0)
result = wpa_config_set(network, "proto", "WPA RSN", 2);
if (result == 0) {
switch (authMode) {
case B_NETWORK_AUTHENTICATION_WPA:
case B_NETWORK_AUTHENTICATION_WPA2:
default:
result = wpa_config_set(network, "key_mgmt", "WPA-PSK", 3);
break;
case B_NETWORK_AUTHENTICATION_EAP:
result = wpa_config_set(network, "key_mgmt", "WPA-EAP", 3);
break;
}
}
if (result == 0)
result = wpa_config_set(network, "pairwise", "CCMP TKIP NONE", 4);
if (result == 0) {
result = wpa_config_set(network, "group",
"CCMP TKIP WEP104 WEP40", 5);
}
if (result == 0) {
if (encapMode > B_NETWORK_EAP_ENCAPSULATION_NONE) {
switch (encapMode) {
case B_NETWORK_EAP_ENCAPSULATION_PEAP:
result = wpa_config_set(network, "eap", "PEAP", 6);
break;
case B_NETWORK_EAP_ENCAPSULATION_TLS:
result = wpa_config_set(network, "eap", "TLS", 6);
break;
}
}
}
} else {
// Open or WEP.
if (result == 0)
result = wpa_config_set(network, "key_mgmt", "NONE", 6);
}
if (result == 0) {
if (authMode == B_NETWORK_AUTHENTICATION_WEP) {
if (strncmp("0x", password, 2) == 0) {
// interpret as hex key
// TODO: make this non-ambiguous
result = wpa_config_set(network, "wep_key0", password + 2, 7);
} else {
value = "\"";
value += password;
value += "\"";
result = wpa_config_set(network, "wep_key0", value.String(), 8);
}
if (result == 0)
result = wpa_config_set(network, "wep_tx_keyidx", "0", 9);
} else if (authMode == B_NETWORK_AUTHENTICATION_EAP) {
// EAP
value = "\"";
value += password;
value += "\"";
result = wpa_config_set(network, "password", value.String(), 10);
if (encapMode > B_NETWORK_EAP_ENCAPSULATION_NONE) {
value = "\"";
value += username;
value += "\"";
result = wpa_config_set(network, "identity",
value.String(), 11);
}
// TODO: Does EAP need the same thing?
#if 0
if (result == 0) {
// We need to actually "apply" the PSK
wpa_config_update_psk(network);
}
#endif
} else if (authMode >= B_NETWORK_AUTHENTICATION_WPA) {
// WPA/WPA2
value = "\"";
value += password;
value += "\"";
result = wpa_config_set(network, "psk", value.String(), 10);
if (result == 0) {
// We need to actually "apply" the PSK
wpa_config_update_psk(network);
}
}
if (result != 0) {
// The key format is invalid, we need to ask for another password.
BMessage newJoinRequest = *message;
newJoinRequest.RemoveName("password");
newJoinRequest.AddString("error", "Password format invalid");
newJoinRequest.AddBool("forceDialog", true);
PostMessage(&newJoinRequest);
}
}
if (result != 0) {
wpas_notify_network_removed(interface, network);
wpa_config_remove_network(interface->conf, network->id);
return B_ERROR;
}
// Set up watching for the completion event
_StartWatchingInterfaceChanges(interface, _InterfaceStateChangeCallback,
message);
// Now attempt to connect
wpa_supplicant_select_network(interface, network);
// Use a message runner to return a timeout and stop watching after a while
BMessage timeout(kMsgJoinTimeout);
timeout.AddPointer("interface", interface);
BMessageRunner::StartSending(be_app_messenger, &timeout,
15 * 1000 * 1000, 1);
// Note that we don't need to cancel this. If joining works before the
// timeout happens, it will take the StateChangeWatchingEntry with it
// and the timeout message won't match anything and be discarded.
return B_OK;
}
