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ralink: Add WPS support

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This commit is contained in:
Snowpin Lee 2009-12-18 21:04:11 +02:00 committed by Jouni Malinen
parent a6fc4f3c82
commit 649b28f9e6
2 changed files with 273 additions and 175 deletions
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445
src/drivers/driver_ralink.c
View File

@ -46,6 +46,7 @@ struct wpa_driver_ralink_data {
int ap_scan;
int scanning_done;
u8 g_driver_down;
BOOLEAN bAddWepKey;
};
static int ralink_set_oid(struct wpa_driver_ralink_data *drv,
@ -518,6 +519,34 @@ wpa_driver_ralink_event_wireless_custom(struct wpa_driver_ralink_data *drv,
}
}
static void ralink_interface_up(struct wpa_driver_ralink_data *drv)
{
union wpa_event_data event;
int enable_wpa_supplicant = 0;
drv->g_driver_down = 0;
os_memset(&event, 0, sizeof(event));
os_snprintf(event.interface_status.ifname,
sizeof(event.interface_status.ifname), "%s", drv->ifname);
event.interface_status.ievent = EVENT_INTERFACE_ADDED;
wpa_supplicant_event(drv->ctx, EVENT_INTERFACE_STATUS, &event);
if (drv->ap_scan == 1)
enable_wpa_supplicant = 1;
else
enable_wpa_supplicant = 2;
/* trigger driver support wpa_supplicant */
if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
(PCHAR) &enable_wpa_supplicant, sizeof(UCHAR)) < 0)
{
wpa_printf(MSG_INFO, "RALINK: Failed to set "
"RT_OID_WPA_SUPPLICANT_SUPPORT(%d)",
(int) enable_wpa_supplicant);
wpa_printf(MSG_ERROR, "ralink. Driver does not support "
"wpa_supplicant");
}
}
static void
wpa_driver_ralink_event_wireless(struct wpa_driver_ralink_data *drv,
void *ctx, char *data, int len)
@ -581,33 +610,9 @@ wpa_driver_ralink_event_wireless(struct wpa_driver_ralink_data *drv,
}
if (iwe->u.data.flags == RT_ASSOC_EVENT_FLAG) {
wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
wpa_printf(MSG_DEBUG, "Custom wireless event: "
"receive ASSOCIATED_EVENT !!!");
/* determine whether the dynamic-WEP is used or
* not */
#if 0
if (wpa_s && wpa_s->current_ssid &&
wpa_s->current_ssid->key_mgmt ==
WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
if ((wpa_s->current_ssid->eapol_flags &
(EAPOL_FLAG_REQUIRE_KEY_UNICAST | EAPOL_FLAG_REQUIRE_KEY_BROADCAST))) {
//wpa_printf(MSG_DEBUG, "The current ssid - (%s), eapol_flag = %d.\n",
// wpa_ssid_txt(wpa_s->current_ssid->ssid, wpa_s->current_ssid->ssid_len),wpa_s->current_ssid->eapol_flags);
ieee8021x_required_key = TRUE;
}
if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X_REQUIRE_KEY, (char *) &ieee8021x_required_key, sizeof(BOOLEAN)) < 0)
{
wpa_printf(MSG_DEBUG, "ERROR: Failed to set OID_802_11_SET_IEEE8021X_REQUIRE_KEY(%d)",
(int) ieee8021x_required_key);
}
wpa_printf(MSG_DEBUG, "ieee8021x_required_key is %s and eapol_flag(%d).\n", ieee8021x_required_key ? "TRUE" : "FALSE",
wpa_s->current_ssid->eapol_flags);
}
#endif
wpa_supplicant_event(ctx, EVENT_ASSOC, NULL);
} else if (iwe->u.data.flags == RT_REQIE_EVENT_FLAG) {
wpa_printf(MSG_DEBUG, "Custom wireless event: "
"receive ReqIEs !!!");
@ -690,51 +695,8 @@ wpa_driver_ralink_event_wireless(struct wpa_driver_ralink_data *drv,
} else if (iwe->u.data.flags == RT_INTERFACE_DOWN) {
drv->g_driver_down = 1;
eloop_terminate();
} else if (iwe->u.data.flags == RT_REPORT_AP_INFO) {
if (drv->ap_scan != 1) {
typedef struct PACKED {
UCHAR bssid[MAC_ADDR_LEN];
UCHAR ssid[MAX_LEN_OF_SSID];
INT ssid_len;
UCHAR wpa_ie[40];
INT wpa_ie_len;
UCHAR rsn_ie[40];
INT rsn_ie_len;
INT freq;
USHORT caps;
} *PAPINFO;
wpa_printf(MSG_DEBUG, "Custom wireless"
" event: receive "
"RT_REPORT_AP_INFO !!!");
//printf("iwe->u.data.length = %d\n", iwe->u.data.length);
//wpa_hexdump(MSG_DEBUG, "AP_Info: ", buf, iwe->u.data.length);
#if 0
wpa_s->num_scan_results = 1;
if (wpa_s->scan_results)
os_free(wpa_s->scan_results);
wpa_s->scan_results = os_malloc(sizeof(struct wpa_scan_result) + 1);
if (wpa_s->scan_results) {
PAPINFO pApInfo = (PAPINFO)buf;
os_memcpy(wpa_s->scan_results[0].bssid, pApInfo->bssid, ETH_ALEN);
os_memcpy(wpa_s->scan_results[0].ssid, pApInfo->ssid, pApInfo->ssid_len);
wpa_s->scan_results[0].ssid_len = pApInfo->ssid_len;
if (pApInfo->wpa_ie_len > 0) {
os_memcpy(wpa_s->scan_results[0].wpa_ie, pApInfo->wpa_ie, pApInfo->wpa_ie_len);
wpa_s->scan_results[0].wpa_ie_len = pApInfo->wpa_ie_len;
} else if (pApInfo->rsn_ie_len > 0) {
os_memcpy(wpa_s->scan_results[0].rsn_ie, pApInfo->rsn_ie, pApInfo->rsn_ie_len);
wpa_s->scan_results[0].rsn_ie_len = pApInfo->rsn_ie_len;
}
wpa_s->scan_results[0].caps = pApInfo->caps;
wpa_s->scan_results[0].freq = pApInfo->freq;
} else {
wpa_printf("wpa_s->scan_"
"results fail to "
"os_malloc!!\n");
}
#endif
}
} else if (iwe->u.data.flags == RT_INTERFACE_UP) {
ralink_interface_up(drv);
} else {
wpa_driver_ralink_event_wireless_custom(
drv, ctx, buf);
@ -935,7 +897,7 @@ static void wpa_driver_ralink_deinit(void *priv)
wpa_driver_ralink_flush_pmkid(drv);
sleep(1);
ralink_set_iface_flags(drv, 0);
/* ralink_set_iface_flags(drv, 0); */
}
eloop_cancel_timeout(wpa_driver_ralink_scan_timeout, drv, drv->ctx);
@ -979,6 +941,13 @@ static int wpa_driver_ralink_scan(void *priv,
/* wpa_driver_ralink_set_ssid(drv, ssid, ssid_len); */
#endif
if (ralink_set_oid(drv, RT_OID_WPS_PROBE_REQ_IE,
(char *) params->extra_ies, params->extra_ies_len) <
0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"RT_OID_WPS_PROBE_REQ_IE");
}
os_memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
@ -1003,39 +972,53 @@ wpa_driver_ralink_get_scan_results(void *priv)
{
struct wpa_driver_ralink_data *drv = priv;
UCHAR *buf = NULL;
size_t buf_len;
NDIS_802_11_BSSID_LIST_EX *wsr;
NDIS_WLAN_BSSID_EX *wbi;
struct iwreq iwr;
int rv = 0;
size_t ap_num;
u8 *pos, *end;
u8 *pos;
struct wpa_scan_results *res;
if (drv->g_driver_down == 1)
return NULL;
wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
if (drv->we_version_compiled >= 17) {
buf = os_zalloc(8192);
iwr.u.data.length = 8192;
} else {
buf = os_zalloc(4096);
iwr.u.data.length = 4096;
}
if (buf == NULL)
return NULL;
if (drv->we_version_compiled >= 17)
buf_len = 8192;
else
buf_len = 4096;
wsr = (NDIS_802_11_BSSID_LIST_EX *) buf;
for (;;) {
buf = os_zalloc(buf_len);
iwr.u.data.length = buf_len;
if (buf == NULL)
return NULL;
wsr->NumberOfItems = 0;
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.data.pointer = (void *) buf;
iwr.u.data.flags = OID_802_11_BSSID_LIST;
wsr = (NDIS_802_11_BSSID_LIST_EX *) buf;
if ((rv = ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr)) < 0) {
wpa_printf(MSG_DEBUG, "ioctl fail: rv = %d", rv);
os_free(buf);
return NULL;
wsr->NumberOfItems = 0;
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.data.pointer = (void *) buf;
iwr.u.data.flags = OID_802_11_BSSID_LIST;
if (ioctl(drv->ioctl_sock, RT_PRIV_IOCTL, &iwr) == 0)
break;
if (errno == E2BIG && buf_len < 65535) {
os_free(buf);
buf = NULL;
buf_len *= 2;
if (buf_len > 65535)
buf_len = 65535; /* 16-bit length field */
wpa_printf(MSG_DEBUG, "Scan results did not fit - "
"trying larger buffer (%lu bytes)",
(unsigned long) buf_len);
} else {
perror("ioctl[RT_PRIV_IOCTL]");
os_free(buf);
return NULL;
}
}
res = os_zalloc(sizeof(*res));
@ -1054,27 +1037,48 @@ wpa_driver_ralink_get_scan_results(void *priv)
for (ap_num = 0, wbi = wsr->Bssid; ap_num < wsr->NumberOfItems;
++ap_num) {
struct wpa_scan_res *r;
r = os_malloc(sizeof(*r) + wbi->IELength);
struct wpa_scan_res *r = NULL;
size_t extra_len = 0, var_ie_len = 0;
u8 *pos2;
/* SSID data element */
extra_len += 2 + wbi->Ssid.SsidLength;
var_ie_len = wbi->IELength - sizeof(NDIS_802_11_FIXED_IEs);
r = os_zalloc(sizeof(*r) + extra_len + var_ie_len);
if (r == NULL)
break;
res->res[res->num++] = r;
os_memcpy(r->bssid, &wbi->MacAddress, ETH_ALEN);
wpa_printf(MSG_DEBUG, "SSID - %s", wbi->Ssid.Ssid);
/* get ie's */
wpa_hexdump(MSG_DEBUG, "RALINK: AP IEs",
(u8 *) &wbi->IEs[0], wbi->IELength);
os_memcpy(r->bssid, wbi->MacAddress, ETH_ALEN);
extra_len += (2 + wbi->Ssid.SsidLength);
r->ie_len = extra_len + var_ie_len;
pos2 = (u8 *) (r + 1);
/*
* Generate a fake SSID IE since the driver did not report
* a full IE list.
*/
*pos2++ = WLAN_EID_SSID;
*pos2++ = wbi->Ssid.SsidLength;
os_memcpy(pos2, wbi->Ssid.Ssid, wbi->Ssid.SsidLength);
pos2 += wbi->Ssid.SsidLength;
r->freq = (wbi->Configuration.DSConfig / 1000);
pos = (u8 *) wbi + sizeof(*wbi) - 1;
end = (u8 *) wbi + sizeof(*wbi) + wbi->IELength;
if (wbi->IELength < sizeof(NDIS_802_11_FIXED_IEs))
break;
pos += sizeof(NDIS_802_11_FIXED_IEs) - 2;
r->caps = WPA_GET_LE16(pos);
os_memcpy(&(r->caps), pos, 2);
pos += 2;
os_memcpy(r + 1, pos, end - pos);
r->ie_len = end - pos;
if (wbi->IELength > sizeof(NDIS_802_11_FIXED_IEs))
os_memcpy(pos2, pos, var_ie_len);
wbi = (NDIS_WLAN_BSSID_EX *) ((u8 *) wbi + wbi->Length);
}
@ -1100,6 +1104,24 @@ static int ralink_set_auth_mode(struct wpa_driver_ralink_data *drv,
return 0;
}
static int ralink_set_encr_type(struct wpa_driver_ralink_data *drv,
NDIS_802_11_WEP_STATUS encr_type)
{
NDIS_802_11_WEP_STATUS wep_status = encr_type;
wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
if (ralink_set_oid(drv, OID_802_11_WEP_STATUS,
(char *) &wep_status, sizeof(wep_status)) < 0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_WEP_STATUS (%d)",
(int) wep_status);
return -1;
}
return 0;
}
static int wpa_driver_ralink_remove_key(struct wpa_driver_ralink_data *drv,
int key_idx, const u8 *addr,
const u8 *bssid, int pairwise)
@ -1185,6 +1207,8 @@ static int wpa_driver_ralink_set_key(const char *ifname, void *priv,
wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
drv->bAddWepKey = FALSE;
if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
ETH_ALEN) == 0) {
/* Group Key */
@ -1202,6 +1226,7 @@ static int wpa_driver_ralink_set_key(const char *ifname, void *priv,
}
if (alg == WPA_ALG_WEP) {
drv->bAddWepKey = TRUE;
return wpa_driver_ralink_add_wep(drv, pairwise, key_idx,
set_tx, key, key_len);
}
@ -1291,6 +1316,29 @@ static int wpa_driver_ralink_deauthenticate(void *priv, const u8 *addr,
}
}
static int wpa_driver_ralink_set_gen_ie(void *priv, const u8 *ie,
size_t ie_len)
{
struct wpa_driver_ralink_data *drv = priv;
struct iwreq iwr;
int ret = 0;
os_memset(&iwr, 0, sizeof(iwr));
os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
iwr.u.data.pointer = (caddr_t) ie;
iwr.u.data.length = ie_len;
wpa_hexdump(MSG_DEBUG, "wpa_driver_ralink_set_gen_ie: ",
(u8 *) ie, ie_len);
if (ioctl(drv->ioctl_sock, SIOCSIWGENIE, &iwr) < 0) {
perror("ioctl[SIOCSIWGENIE]");
ret = -1;
}
return ret;
}
static int
wpa_driver_ralink_associate(void *priv,
struct wpa_driver_associate_params *params)
@ -1301,6 +1349,7 @@ wpa_driver_ralink_associate(void *priv,
NDIS_802_11_AUTHENTICATION_MODE auth_mode;
NDIS_802_11_WEP_STATUS encr;
BOOLEAN ieee8021xMode;
BOOLEAN ieee8021x_required_key = TRUE;
if (drv->g_driver_down == 1)
return -1;
@ -1319,83 +1368,131 @@ wpa_driver_ralink_associate(void *priv,
/* Try to continue anyway */
}
if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
if (params->auth_alg & AUTH_ALG_SHARED_KEY) {
if (params->auth_alg & AUTH_ALG_OPEN_SYSTEM)
auth_mode = Ndis802_11AuthModeAutoSwitch;
else
auth_mode = Ndis802_11AuthModeShared;
} else
auth_mode = Ndis802_11AuthModeOpen;
} else if (params->wpa_ie[0] == WLAN_EID_RSN) {
if (params->key_mgmt_suite == KEY_MGMT_PSK)
auth_mode = Ndis802_11AuthModeWPA2PSK;
else
auth_mode = Ndis802_11AuthModeWPA2;
if (params->key_mgmt_suite == KEY_MGMT_WPS) {
UCHAR enable_wps = 0x80;
/* trigger driver support wpa_supplicant */
if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
(PCHAR) &enable_wps, sizeof(UCHAR)) < 0) {
wpa_printf(MSG_INFO, "RALINK: Failed to set "
"RT_OID_WPA_SUPPLICANT_SUPPORT (%d)",
(int) enable_wps);
}
wpa_driver_ralink_set_gen_ie(priv, params->wpa_ie,
params->wpa_ie_len);
ralink_set_auth_mode(drv, Ndis802_11AuthModeOpen);
ralink_set_encr_type(drv, Ndis802_11EncryptionDisabled);
} else {
if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
auth_mode = Ndis802_11AuthModeWPANone;
else if (params->key_mgmt_suite == KEY_MGMT_PSK)
auth_mode = Ndis802_11AuthModeWPAPSK;
#ifdef CONFIG_WPS
UCHAR enable_wpa_supplicant;
if (drv->ap_scan == 1)
enable_wpa_supplicant = 0x01;
else
auth_mode = Ndis802_11AuthModeWPA;
}
enable_wpa_supplicant = 0x02;
switch (params->pairwise_suite) {
case CIPHER_CCMP:
encr = Ndis802_11Encryption3Enabled;
break;
case CIPHER_TKIP:
encr = Ndis802_11Encryption2Enabled;
break;
case CIPHER_WEP40:
case CIPHER_WEP104:
encr = Ndis802_11Encryption1Enabled;
break;
case CIPHER_NONE:
if (params->group_suite == CIPHER_CCMP)
encr = Ndis802_11Encryption3Enabled;
else if (params->group_suite == CIPHER_TKIP)
encr = Ndis802_11Encryption2Enabled;
else
encr = Ndis802_11EncryptionDisabled;
break;
default:
encr = Ndis802_11EncryptionDisabled;
break;
}
ralink_set_auth_mode(drv, auth_mode);
/* notify driver that IEEE8021x mode is enabled */
if (params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA)
ieee8021xMode = TRUE;
else
ieee8021xMode = FALSE;
if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X,
(char *) &ieee8021xMode, sizeof(BOOLEAN)) < 0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_SET_IEEE8021X(%d)",
(int) ieee8021xMode);
}
if (ralink_set_oid(drv, OID_802_11_WEP_STATUS,
(char *) &encr, sizeof(encr)) < 0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_WEP_STATUS(%d)",
(int) encr);
}
if ((ieee8021xMode == FALSE) &&
(encr == Ndis802_11Encryption1Enabled)) {
/* static WEP */
int enabled = 0;
if (ralink_set_oid(drv, OID_802_11_DROP_UNENCRYPTED,
(char *) &enabled, sizeof(enabled)) < 0) {
/* trigger driver support wpa_supplicant */
if (ralink_set_oid(drv, RT_OID_WPA_SUPPLICANT_SUPPORT,
(PCHAR) &enable_wpa_supplicant,
sizeof(UCHAR)) < 0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_DROP_UNENCRYPTED(%d)",
(int) encr);
"RT_OID_WPA_SUPPLICANT_SUPPORT (%d)",
(int) enable_wpa_supplicant);
}
wpa_driver_ralink_set_gen_ie(priv, (u8 *) "", 0);
#endif /* CONFIG_WPS */
if (params->wpa_ie == NULL || params->wpa_ie_len == 0) {
if (params->auth_alg & AUTH_ALG_SHARED_KEY) {
if (params->auth_alg & AUTH_ALG_OPEN_SYSTEM)
auth_mode = Ndis802_11AuthModeAutoSwitch;
else
auth_mode = Ndis802_11AuthModeShared;
} else
auth_mode = Ndis802_11AuthModeOpen;
} else if (params->wpa_ie[0] == WLAN_EID_RSN) {
if (params->key_mgmt_suite == KEY_MGMT_PSK)
auth_mode = Ndis802_11AuthModeWPA2PSK;
else
auth_mode = Ndis802_11AuthModeWPA2;
} else {
if (params->key_mgmt_suite == KEY_MGMT_WPA_NONE)
auth_mode = Ndis802_11AuthModeWPANone;
else if (params->key_mgmt_suite == KEY_MGMT_PSK)
auth_mode = Ndis802_11AuthModeWPAPSK;
else
auth_mode = Ndis802_11AuthModeWPA;
}
switch (params->pairwise_suite) {
case CIPHER_CCMP:
encr = Ndis802_11Encryption3Enabled;
break;
case CIPHER_TKIP:
encr = Ndis802_11Encryption2Enabled;
break;
case CIPHER_WEP40:
case CIPHER_WEP104:
encr = Ndis802_11Encryption1Enabled;
break;
case CIPHER_NONE:
if (params->group_suite == CIPHER_CCMP)
encr = Ndis802_11Encryption3Enabled;
else if (params->group_suite == CIPHER_TKIP)
encr = Ndis802_11Encryption2Enabled;
else
encr = Ndis802_11EncryptionDisabled;
break;
default:
encr = Ndis802_11EncryptionDisabled;
break;
}
ralink_set_auth_mode(drv, auth_mode);
/* notify driver that IEEE8021x mode is enabled */
if (params->key_mgmt_suite == KEY_MGMT_802_1X_NO_WPA) {
ieee8021xMode = TRUE;
if (drv->bAddWepKey)
ieee8021x_required_key = FALSE;
} else
ieee8021xMode = FALSE;
if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X_REQUIRE_KEY,
(char *) &ieee8021x_required_key,
sizeof(BOOLEAN)) < 0) {
wpa_printf(MSG_DEBUG, "ERROR: Failed to set "
"OID_802_11_SET_IEEE8021X_REQUIRE_KEY(%d)",
(int) ieee8021x_required_key);
} else {
wpa_printf(MSG_DEBUG, "ieee8021x_required_key is %s",
ieee8021x_required_key ? "TRUE" : "FALSE");
}
if (ralink_set_oid(drv, OID_802_11_SET_IEEE8021X,
(char *) &ieee8021xMode, sizeof(BOOLEAN)) <
0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_SET_IEEE8021X(%d)",
(int) ieee8021xMode);
}
ralink_set_encr_type(drv, encr);
if ((ieee8021xMode == FALSE) &&
(encr == Ndis802_11Encryption1Enabled)) {
/* static WEP */
int enabled = 0;
if (ralink_set_oid(drv, OID_802_11_DROP_UNENCRYPTED,
(char *) &enabled, sizeof(enabled))
< 0) {
wpa_printf(MSG_DEBUG, "RALINK: Failed to set "
"OID_802_11_DROP_UNENCRYPTED(%d)",
(int) encr);
}
}
}

3
src/drivers/driver_ralink.h
View File

@ -54,6 +54,7 @@
#define RT_OID_WPA_SUPPLICANT_SUPPORT 0x0621 // for trigger driver enable/disable wpa_supplicant support
#define RT_OID_WE_VERSION_COMPILED 0x0622
#define RT_OID_NEW_DRIVER 0x0623
#define RT_OID_WPS_PROBE_REQ_IE 0x0625
#define PACKED __attribute__ ((packed))
@ -65,7 +66,7 @@
#define RT_ASSOCINFO_EVENT_FLAG 0x0105
#define RT_PMKIDCAND_FLAG 0x0106
#define RT_INTERFACE_DOWN 0x0107
#define RT_REPORT_AP_INFO 0x0108
#define RT_INTERFACE_UP 0x0108
//
// IEEE 802.11 Structures and definitions