+++ /dev/null
-/*
- * WPA Supplicant - Driver interaction with Atmel Wireless LAN drivers
- * Copyright (c) 2000-2005, ATMEL Corporation
- * Copyright (c) 2004-2007, 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
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
- */
-
-/******************************************************************************
- Copyright 2000-2001 ATMEL Corporation.
-
- WPA Supplicant - driver interaction with Atmel Wireless lan drivers.
-
- This is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with Atmel wireless lan drivers; if not, write to the Free Software
- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-
-******************************************************************************/
-
-/*
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- */
-
-#include "includes.h"
-#include <sys/ioctl.h>
-
-#include "wireless_copy.h"
-#include "common.h"
-#include "driver.h"
-#include "driver_wext.h"
-
-struct wpa_driver_atmel_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
-};
-
-
-#define ATMEL_WPA_IOCTL (SIOCIWFIRSTPRIV + 2)
-#define ATMEL_WPA_IOCTL_PARAM (SIOCIWFIRSTPRIV + 3)
-#define ATMEL_WPA_IOCTL_GET_PARAM (SIOCIWFIRSTPRIV + 4)
-
-
-/* ATMEL_WPA_IOCTL ioctl() cmd: */
-enum {
- SET_WPA_ENCRYPTION = 1,
- SET_CIPHER_SUITES = 2,
- MLME_STA_DEAUTH = 3,
- MLME_STA_DISASSOC = 4
-};
-
-/* ATMEL_WPA_IOCTL_PARAM ioctl() cmd: */
-enum {
- ATMEL_PARAM_WPA = 1,
- ATMEL_PARAM_PRIVACY_INVOKED = 2,
- ATMEL_PARAM_WPA_TYPE = 3
-};
-
-#define MAX_KEY_LENGTH 40
-
-struct atmel_param{
- unsigned char sta_addr[6];
- int cmd;
- u8 alg;
- u8 key_idx;
- u8 set_tx;
- u8 seq[8];
- u8 seq_len;
- u16 key_len;
- u8 key[MAX_KEY_LENGTH];
- struct{
- int reason_code;
- u8 state;
- }mlme;
- u8 pairwise_suite;
- u8 group_suite;
- u8 key_mgmt_suite;
-};
-
-
-
-static int atmel_ioctl(struct wpa_driver_atmel_data *drv,
- struct atmel_param *param,
- int len, int show_err)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) param;
- iwr.u.data.length = len;
-
- if (ioctl(drv->sock, ATMEL_WPA_IOCTL, &iwr) < 0) {
- int ret;
- ret = errno;
- if (show_err)
- perror("ioctl[ATMEL_WPA_IOCTL]");
- return ret;
- }
-
- return 0;
-}
-
-
-static int atmel2param(struct wpa_driver_atmel_data *drv, int param, int value)
-{
- struct iwreq iwr;
- int *i, ret = 0;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- i = (int *) iwr.u.name;
- *i++ = param;
- *i++ = value;
-
- if (ioctl(drv->sock, ATMEL_WPA_IOCTL_PARAM, &iwr) < 0) {
- perror("ioctl[ATMEL_WPA_IOCTL_PARAM]");
- ret = -1;
- }
- return ret;
-}
-
-
-#if 0
-static int wpa_driver_atmel_set_wpa_ie(struct wpa_driver_atmel_data *drv,
- const char *wpa_ie, size_t wpa_ie_len)
-{
- struct atmel_param *param;
- int res;
- size_t blen = ATMEL_GENERIC_ELEMENT_HDR_LEN + wpa_ie_len;
- if (blen < sizeof(*param))
- blen = sizeof(*param);
-
- param = os_zalloc(blen);
- if (param == NULL)
- return -1;
-
- param->cmd = ATMEL_SET_GENERIC_ELEMENT;
- param->u.generic_elem.len = wpa_ie_len;
- os_memcpy(param->u.generic_elem.data, wpa_ie, wpa_ie_len);
- res = atmel_ioctl(drv, param, blen, 1);
-
- os_free(param);
-
- return res;
-}
-#endif
-
-
-static int wpa_driver_atmel_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_atmel_data *drv = priv;
- int ret = 0;
-
- printf("wpa_driver_atmel_set_wpa %s\n", drv->ifname);
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
-
-#if 0
- if (!enabled && wpa_driver_atmel_set_wpa_ie(drv, NULL, 0) < 0)
- ret = -1;
-#endif
- if (atmel2param(drv, ATMEL_PARAM_PRIVACY_INVOKED, enabled) < 0)
- ret = -1;
- if (atmel2param(drv, ATMEL_PARAM_WPA, enabled) < 0)
- ret = -1;
-
- return ret;
-}
-
-
-static int wpa_driver_atmel_set_key(const char *ifname, void *priv,
- enum wpa_alg alg, const u8 *addr,
- int key_idx, int set_tx,
- const u8 *seq, size_t seq_len,
- const u8 *key, size_t key_len)
-{
- struct wpa_driver_atmel_data *drv = priv;
- int ret = 0;
- struct atmel_param *param;
- u8 *buf;
- u8 alg_type;
-
- size_t blen;
- char *alg_name;
-
- switch (alg) {
- case WPA_ALG_NONE:
- alg_name = "none";
- alg_type = 0;
- break;
- case WPA_ALG_WEP:
- alg_name = "WEP";
- alg_type = 1;
- break;
- case WPA_ALG_TKIP:
- alg_name = "TKIP";
- alg_type = 2;
- break;
- case WPA_ALG_CCMP:
- alg_name = "CCMP";
- alg_type = 3;
- break;
- default:
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: alg=%s key_idx=%d set_tx=%d seq_len=%lu "
- "key_len=%lu", __FUNCTION__, alg_name, key_idx, set_tx,
- (unsigned long) seq_len, (unsigned long) key_len);
-
- if (seq_len > 8)
- return -2;
-
- blen = sizeof(*param) + key_len;
- buf = os_zalloc(blen);
- if (buf == NULL)
- return -1;
-
- param = (struct atmel_param *) buf;
-
- param->cmd = SET_WPA_ENCRYPTION;
-
- if (addr == NULL)
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
- else
- os_memcpy(param->sta_addr, addr, ETH_ALEN);
-
- param->alg = alg_type;
- param->key_idx = key_idx;
- param->set_tx = set_tx;
- os_memcpy(param->seq, seq, seq_len);
- param->seq_len = seq_len;
- param->key_len = key_len;
- os_memcpy((u8 *)param->key, key, key_len);
-
- if (atmel_ioctl(drv, param, blen, 1)) {
- wpa_printf(MSG_WARNING, "Failed to set encryption.");
- /* TODO: show key error*/
- ret = -1;
- }
- os_free(buf);
-
- return ret;
-}
-
-
-static int wpa_driver_atmel_set_countermeasures(void *priv,
- int enabled)
-{
- /* FIX */
- printf("wpa_driver_atmel_set_countermeasures - not yet "
- "implemented\n");
- return 0;
-}
-
-
-static int wpa_driver_atmel_mlme(void *priv, const u8 *addr, int cmd,
- int reason_code)
-{
- struct wpa_driver_atmel_data *drv = priv;
- struct atmel_param param;
- int ret;
- int mgmt_error = 0xaa;
-
- os_memset(¶m, 0, sizeof(param));
- os_memcpy(param.sta_addr, addr, ETH_ALEN);
- param.cmd = cmd;
- param.mlme.reason_code = reason_code;
- param.mlme.state = mgmt_error;
- ret = atmel_ioctl(drv, ¶m, sizeof(param), 1);
- return ret;
-}
-
-
-#if 0
-static int wpa_driver_atmel_set_suites(struct wpa_driver_atmel_data *drv,
- u8 pairwise_suite, u8 group_suite,
- u8 key_mgmt_suite)
-{
- struct atmel_param param;
- int ret;
-
- os_memset(¶m, 0, sizeof(param));
- param.cmd = SET_CIPHER_SUITES;
- param.pairwise_suite = pairwise_suite;
- param.group_suite = group_suite;
- param.key_mgmt_suite = key_mgmt_suite;
-
- ret = atmel_ioctl(drv, ¶m, sizeof(param), 1);
- return ret;
-}
-#endif
-
-
-static int wpa_driver_atmel_deauthenticate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_atmel_data *drv = priv;
- printf("wpa_driver_atmel_deauthenticate\n");
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_atmel_mlme(drv, addr, MLME_STA_DEAUTH,
- reason_code);
-
-}
-
-
-static int wpa_driver_atmel_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_atmel_data *drv = priv;
- printf("wpa_driver_atmel_disassociate\n");
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- return wpa_driver_atmel_mlme(drv, addr, MLME_STA_DISASSOC,
- reason_code);
-
-}
-
-
-#if 0
-/* Atmel driver uses specific values for each cipher suite */
-static int convertSuiteToDriver(enum wpa_cipher suite)
-{
- u8 suite_type;
-
- switch(suite) {
- case CIPHER_NONE:
- suite_type = 0;
- break;
- case CIPHER_WEP40:
- suite_type = 1;
- break;
- case CIPHER_TKIP:
- suite_type = 2;
- break;
- case CIPHER_WEP104:
- suite_type = 5;
- break;
- case CIPHER_CCMP:
- suite_type = 3;
- break;
- default:
- suite_type = 2;
- }
-
- return suite_type;
-
-}
-#endif
-
-static int
-wpa_driver_atmel_associate(void *priv,
- struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_atmel_data *drv = priv;
- int ret = 0;
-#if 0
- u8 pairwise_suite_driver;
- u8 group_suite_driver;
- u8 key_mgmt_suite_driver;
-
- pairwise_suite_driver = convertSuiteToDriver(params->pairwise_suite);
- group_suite_driver = convertSuiteToDriver(params->group_suite);
- key_mgmt_suite_driver = convertSuiteToDriver(params->key_mgmt_suite);
-
- if (wpa_driver_atmel_set_suites(drv, pairwise_suite_driver,
- group_suite_driver,
- key_mgmt_suite_driver) < 0){
- printf("wpa_driver_atmel_set_suites.\n");
- ret = -1;
- }
- if (wpa_driver_wext_set_freq(drv->wext, params->freq) < 0) {
- printf("wpa_driver_atmel_set_freq.\n");
- ret = -1;
- }
-#endif
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid, params->ssid_len)
- < 0) {
- printf("FAILED : wpa_driver_atmel_set_ssid.\n");
- ret = -1;
- }
- if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0) {
- printf("FAILED : wpa_driver_atmel_set_bssid.\n");
- ret = -1;
- }
-
- return ret;
-}
-
-
-static int wpa_driver_atmel_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_atmel_data *drv = priv;
- return wpa_driver_wext_get_bssid(drv->wext, bssid);
-}
-
-
-static int wpa_driver_atmel_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_atmel_data *drv = priv;
- return wpa_driver_wext_get_ssid(drv->wext, ssid);
-}
-
-
-static int wpa_driver_atmel_scan(void *priv,
- struct wpa_driver_scan_params *params)
-{
- struct wpa_driver_atmel_data *drv = priv;
- return wpa_driver_wext_scan(drv->wext, params);
-}
-
-
-static struct wpa_scan_results * wpa_driver_atmel_get_scan_results(void *priv)
-{
- struct wpa_driver_atmel_data *drv = priv;
- return wpa_driver_wext_get_scan_results(drv->wext);
-}
-
-
-static int wpa_driver_atmel_set_operstate(void *priv, int state)
-{
- struct wpa_driver_atmel_data *drv = priv;
- return wpa_driver_wext_set_operstate(drv->wext, state);
-}
-
-
-static void * wpa_driver_atmel_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_atmel_data *drv;
-
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->wext = wpa_driver_wext_init(ctx, ifname);
- if (drv->wext == NULL) {
- os_free(drv);
- return NULL;
- }
-
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->sock < 0) {
- wpa_driver_wext_deinit(drv->wext);
- os_free(drv);
- return NULL;
- }
-
- wpa_driver_atmel_set_wpa(drv, 1);
-
- return drv;
-}
-
-
-static void wpa_driver_atmel_deinit(void *priv)
-{
- struct wpa_driver_atmel_data *drv = priv;
- wpa_driver_atmel_set_wpa(drv, 0);
- wpa_driver_wext_deinit(drv->wext);
- close(drv->sock);
- os_free(drv);
-}
-
-
-const struct wpa_driver_ops wpa_driver_atmel_ops = {
- .name = "atmel",
- .desc = "ATMEL AT76C5XXx (USB, PCMCIA)",
- .get_bssid = wpa_driver_atmel_get_bssid,
- .get_ssid = wpa_driver_atmel_get_ssid,
- .set_key = wpa_driver_atmel_set_key,
- .init = wpa_driver_atmel_init,
- .deinit = wpa_driver_atmel_deinit,
- .set_countermeasures = wpa_driver_atmel_set_countermeasures,
- .scan2 = wpa_driver_atmel_scan,
- .get_scan_results2 = wpa_driver_atmel_get_scan_results,
- .deauthenticate = wpa_driver_atmel_deauthenticate,
- .disassociate = wpa_driver_atmel_disassociate,
- .associate = wpa_driver_atmel_associate,
- .set_operstate = wpa_driver_atmel_set_operstate,
-};
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