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wsc: Add support for initial WSC association

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This commit is contained in:
Denis Kenzior 2016-09-14 21:17:41 -05:00
parent 1447c7fe03
commit 099e2a028d
1 changed files with 126 additions and 0 deletions
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126
src/wsc.c
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@ -37,6 +37,8 @@
#include "src/wscutil.h"
#include "src/util.h"
#include "src/wsc.h"
#include "src/eapol.h"
#include "src/eap-wsc.h"
#define WALK_TIME 120
@ -60,6 +62,126 @@ static struct l_dbus_message *wsc_error_session_overlap(
"Multiple sessions detected");
}
static void wsc_connect_cb(struct netdev *netdev, enum netdev_result result,
void *user_data)
{
struct wsc *wsc = user_data;
l_debug("%d, result: %d", device_get_ifindex(wsc->device), result);
if (wsc->pending) {
struct l_dbus_message *reply;
switch (result) {
case NETDEV_RESULT_ABORTED:
reply = dbus_error_aborted(wsc->pending);
break;
default:
reply = l_dbus_message_new_method_return(wsc->pending);
l_dbus_message_set_arguments(reply, "");
break;
}
dbus_pending_reply(&wsc->pending, reply);
}
}
static void wsc_credential_obtained(struct wsc *wsc,
const struct wsc_credential *cred)
{
char *hex;
l_debug("Obtained credenials for SSID: %s, address: %s",
util_ssid_to_utf8(cred->ssid_len, cred->ssid),
util_address_to_string(cred->addr));
l_debug("auth_type: %02x, encryption_type: %02x",
cred->auth_type, cred->encryption_type);
hex = l_util_hexstring(cred->network_key, cred->network_key_len);
l_debug("Key (%d): %s", cred->network_key_len, hex);
l_free(hex);
if (!util_ssid_is_utf8(cred->ssid_len, cred->ssid)) {
l_warn("Ignoring Credentials with non-UTF8 SSID");
return;
}
}
static void wsc_eapol_event(uint32_t event, const void *event_data,
void *user_data)
{
struct wsc *wsc = user_data;
switch (event) {
case EAP_WSC_EVENT_CREDENTIAL_OBTAINED:
wsc_credential_obtained(wsc,
(const struct wsc_credential *) event_data);
break;
default:
l_debug("Got event: %d", event);
}
}
static void wsc_netdev_event(struct netdev *netdev, enum netdev_event event,
void *user_data)
{
switch (event) {
case NETDEV_EVENT_AUTHENTICATING:
case NETDEV_EVENT_ASSOCIATING:
break;
case NETDEV_EVENT_4WAY_HANDSHAKE:
l_info("Running EAP-WSC");
break;
case NETDEV_EVENT_LOST_BEACON:
l_debug("Lost beacon");
break;
case NETDEV_EVENT_DISCONNECT_BY_AP:
l_debug("Disconnect by AP");
break;
default:
l_debug("Unexpected event");
break;
};
}
static void wsc_connect(struct wsc *wsc, struct scan_bss *bss)
{
struct eapol_sm *sm = eapol_sm_new();
struct l_settings *settings = l_settings_new();
eapol_sm_set_authenticator_address(sm, bss->addr);
eapol_sm_set_supplicant_address(sm, device_get_address(wsc->device));
eapol_sm_set_user_data(sm, wsc);
eapol_sm_set_event_func(sm, wsc_eapol_event);
l_settings_set_string(settings, "Security", "EAP-Identity",
"WFA-SimpleConfig-Enrollee-1-0");
l_settings_set_string(settings, "Security", "EAP-Method", "WSC");
l_settings_set_uint(settings, "WSC", "RFBand", WSC_RF_BAND_2_4_GHZ);
l_settings_set_uint(settings, "WSC", "ConfigurationMethods",
WSC_CONFIGURATION_METHOD_VIRTUAL_DISPLAY_PIN |
WSC_CONFIGURATION_METHOD_VIRTUAL_PUSH_BUTTON |
WSC_CONFIGURATION_METHOD_KEYPAD);
l_settings_set_string(settings, "WSC", "PrimaryDeviceType",
"0-00000000-0");
l_settings_set_string(settings, "WSC", "EnrolleeMAC",
util_address_to_string(device_get_address(wsc->device)));
eapol_sm_set_8021x_config(sm, settings);
l_settings_free(settings);
if (netdev_connect_wsc(device_get_netdev(wsc->device), bss, sm,
wsc_netdev_event,
wsc_connect_cb, wsc) == 0)
return;
eapol_sm_free(sm);
dbus_pending_reply(&wsc->pending, dbus_error_failed(wsc->pending));
}
static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
struct l_queue *bss_list, void *userdata)
{
@ -156,8 +278,12 @@ static bool scan_results(uint32_t wiphy_id, uint32_t ifindex,
return false;
}
l_free(wsc->wsc_ies);
wsc->wsc_ies = 0;
l_debug("Found AP to connect to: %s",
util_address_to_string(target->addr));
wsc_connect(wsc, target);
return false;