+++ /dev/null
-/*
- * WPA Supplicant - driver interaction with Linux ipw2100/2200 drivers
- * Copyright (c) 2005 Zhu Yi <yi.zhu@intel.com>
- * Copyright (c) 2004 Lubomir Gelo <lgelo@cnc.sk>
- * Copyright (c) 2003-2004, 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.
- *
- * Please note that ipw2100/2200 drivers change to use generic Linux wireless
- * extensions if the kernel includes support for WE-18 or newer (Linux 2.6.13
- * or newer). driver_wext.c should be used in those cases.
- */
-
-#include "includes.h"
-#include <sys/ioctl.h>
-
-#include "wireless_copy.h"
-#include "common.h"
-#include "driver.h"
-#include "driver_wext.h"
-
-struct wpa_driver_ipw_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
-};
-
-/* following definitions must be kept in sync with ipw2100.c and ipw2200.c */
-
-#define IPW_IOCTL_WPA_SUPPLICANT SIOCIWFIRSTPRIV+30
-
-#define IPW_CMD_SET_WPA_PARAM 1
-#define IPW_CMD_SET_WPA_IE 2
-#define IPW_CMD_SET_ENCRYPTION 3
-#define IPW_CMD_MLME 4
-
-#define IPW_PARAM_WPA_ENABLED 1
-#define IPW_PARAM_TKIP_COUNTERMEASURES 2
-#define IPW_PARAM_DROP_UNENCRYPTED 3
-#define IPW_PARAM_PRIVACY_INVOKED 4
-#define IPW_PARAM_AUTH_ALGS 5
-#define IPW_PARAM_IEEE_802_1X 6
-
-#define IPW_MLME_STA_DEAUTH 1
-#define IPW_MLME_STA_DISASSOC 2
-
-#define IPW_CRYPT_ERR_UNKNOWN_ALG 2
-#define IPW_CRYPT_ERR_UNKNOWN_ADDR 3
-#define IPW_CRYPT_ERR_CRYPT_INIT_FAILED 4
-#define IPW_CRYPT_ERR_KEY_SET_FAILED 5
-#define IPW_CRYPT_ERR_TX_KEY_SET_FAILED 6
-#define IPW_CRYPT_ERR_CARD_CONF_FAILED 7
-
-#define IPW_CRYPT_ALG_NAME_LEN 16
-
-struct ipw_param {
- u32 cmd;
- u8 sta_addr[ETH_ALEN];
- union {
- struct {
- u8 name;
- u32 value;
- } wpa_param;
- struct {
- u32 len;
- u8 reserved[32];
- u8 data[0];
- } wpa_ie;
- struct{
- u32 command;
- u32 reason_code;
- } mlme;
- struct {
- u8 alg[IPW_CRYPT_ALG_NAME_LEN];
- u8 set_tx;
- u32 err;
- u8 idx;
- u8 seq[8];
- u16 key_len;
- u8 key[0];
- } crypt;
-
- } u;
-};
-
-/* end of ipw2100.c and ipw2200.c code */
-
-static int wpa_driver_ipw_set_auth_alg(void *priv, int auth_alg);
-
-static int ipw_ioctl(struct wpa_driver_ipw_data *drv,
- struct ipw_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, IPW_IOCTL_WPA_SUPPLICANT, &iwr) < 0) {
- int ret = errno;
- if (show_err)
- perror("ioctl[IPW_IOCTL_WPA_SUPPLICANT]");
- return ret;
- }
-
- return 0;
-}
-
-
-static void ipw_show_set_key_error(struct ipw_param *param)
-{
- switch (param->u.crypt.err) {
- case IPW_CRYPT_ERR_UNKNOWN_ALG:
- wpa_printf(MSG_INFO, "Unknown algorithm '%s'.",
- param->u.crypt.alg);
- wpa_printf(MSG_INFO, "You may need to load kernel module to "
- "register that algorithm.");
- wpa_printf(MSG_INFO, "E.g., 'modprobe ieee80211_crypt_wep' for"
- " WEP.");
- break;
- case IPW_CRYPT_ERR_UNKNOWN_ADDR:
- wpa_printf(MSG_INFO, "Unknown address " MACSTR ".",
- MAC2STR(param->sta_addr));
- break;
- case IPW_CRYPT_ERR_CRYPT_INIT_FAILED:
- wpa_printf(MSG_INFO, "Crypt algorithm initialization failed.");
- break;
- case IPW_CRYPT_ERR_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "Key setting failed.");
- break;
- case IPW_CRYPT_ERR_TX_KEY_SET_FAILED:
- wpa_printf(MSG_INFO, "TX key index setting failed.");
- break;
- case IPW_CRYPT_ERR_CARD_CONF_FAILED:
- wpa_printf(MSG_INFO, "Card configuration failed.");
- break;
- }
-}
-
-
-static int ipw_set_wpa_ie(struct wpa_driver_ipw_data *drv,
- const u8 *wpa_ie, size_t wpa_ie_len)
-{
- struct ipw_param *param;
- int ret;
- size_t blen = sizeof(*param) + wpa_ie_len;
-
- param = os_zalloc(blen);
- if (param == NULL)
- return -1;
-
- param->cmd = IPW_CMD_SET_WPA_IE;
- param->u.wpa_ie.len = wpa_ie_len;
- os_memcpy(param->u.wpa_ie.data, wpa_ie, wpa_ie_len);
-
- ret = ipw_ioctl(drv, param, blen, 1);
-
- os_free(param);
- return ret;
-}
-
-
-static int ipw_set_wpa_param(struct wpa_driver_ipw_data *drv, u8 name,
- u32 value)
-{
- struct ipw_param param;
-
- os_memset(¶m, 0, sizeof(param));
- param.cmd = IPW_CMD_SET_WPA_PARAM;
- param.u.wpa_param.name = name;
- param.u.wpa_param.value = value;
-
- return ipw_ioctl(drv, ¶m, sizeof(param), 1);
-}
-
-
-static int ipw_mlme(struct wpa_driver_ipw_data *drv, const u8 *addr,
- int cmd, int reason)
-{
- struct ipw_param param;
-
- os_memset(¶m, 0, sizeof(param));
- os_memcpy(param.sta_addr, addr, ETH_ALEN);
- param.cmd = IPW_CMD_MLME;
- param.u.mlme.command = cmd;
- param.u.mlme.reason_code = reason;
-
- return ipw_ioctl(drv, ¶m, sizeof(param), 1);
-}
-
-
-static int wpa_driver_ipw_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_ipw_data *drv = priv;
- int ret = 0;
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
-
- if (!enabled && ipw_set_wpa_ie(drv, NULL, 0) < 0)
- ret = -1;
-
- if (ipw_set_wpa_param(drv, IPW_PARAM_WPA_ENABLED, enabled) < 0)
- ret = -1;
-
- return ret;
-}
-
-
-static int wpa_driver_ipw_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_ipw_data *drv = priv;
- struct ipw_param *param;
- u8 *buf;
- size_t blen;
- int ret = 0;
- char *alg_name;
-
- switch (alg) {
- case WPA_ALG_NONE:
- alg_name = "none";
- break;
- case WPA_ALG_WEP:
- alg_name = "WEP";
- break;
- case WPA_ALG_TKIP:
- alg_name = "TKIP";
- break;
- case WPA_ALG_CCMP:
- alg_name = "CCMP";
- 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 ipw_param *) buf;
- param->cmd = IPW_CMD_SET_ENCRYPTION;
- os_memset(param->sta_addr, 0xff, ETH_ALEN);
- os_strlcpy((char *) param->u.crypt.alg, alg_name,
- IPW_CRYPT_ALG_NAME_LEN);
- param->u.crypt.set_tx = set_tx ? 1 : 0;
- param->u.crypt.idx = key_idx;
- os_memcpy(param->u.crypt.seq, seq, seq_len);
- param->u.crypt.key_len = key_len;
- os_memcpy((u8 *) (param + 1), key, key_len);
-
- if (ipw_ioctl(drv, param, blen, 1)) {
- wpa_printf(MSG_WARNING, "Failed to set encryption.");
- ipw_show_set_key_error(param);
- ret = -1;
- }
- os_free(buf);
-
- return ret;
-}
-
-
-static int wpa_driver_ipw_set_countermeasures(void *priv, int enabled)
-{
- struct wpa_driver_ipw_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return ipw_set_wpa_param(drv, IPW_PARAM_TKIP_COUNTERMEASURES,
- enabled);
-
-}
-
-
-static int wpa_driver_ipw_set_drop_unencrypted(void *priv, int enabled)
-{
- struct wpa_driver_ipw_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return ipw_set_wpa_param(drv, IPW_PARAM_DROP_UNENCRYPTED,
- enabled);
-}
-
-
-static int wpa_driver_ipw_deauthenticate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return ipw_mlme(drv, addr, IPW_MLME_STA_DEAUTH, reason_code);
-}
-
-
-static int wpa_driver_ipw_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return ipw_mlme(drv, addr, IPW_MLME_STA_DISASSOC, reason_code);
-}
-
-
-static int
-wpa_driver_ipw_associate(void *priv, struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_ipw_data *drv = priv;
- int ret = 0;
- int unencrypted_eapol;
-
- if (wpa_driver_ipw_set_auth_alg(drv, params->auth_alg) < 0)
- ret = -1;
- if (wpa_driver_ipw_set_drop_unencrypted(drv, params->drop_unencrypted)
- < 0)
- ret = -1;
- if (ipw_set_wpa_ie(drv, params->wpa_ie, params->wpa_ie_len) < 0)
- ret = -1;
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
- params->ssid_len) < 0)
- ret = -1;
- if (wpa_driver_wext_set_bssid(drv->wext, params->bssid) < 0)
- ret = -1;
-
- if (params->key_mgmt_suite == KEY_MGMT_802_1X ||
- params->key_mgmt_suite == KEY_MGMT_PSK)
- unencrypted_eapol = 0;
- else
- unencrypted_eapol = 1;
-
- if (ipw_set_wpa_param(drv, IPW_PARAM_IEEE_802_1X,
- unencrypted_eapol) < 0) {
- wpa_printf(MSG_DEBUG, "ipw: Failed to configure "
- "ieee_802_1x param");
- }
-
- return ret;
-}
-
-
-static int wpa_driver_ipw_set_auth_alg(void *priv, int auth_alg)
-{
- struct wpa_driver_ipw_data *drv = priv;
- int algs = 0;
-
- if (auth_alg & WPA_AUTH_ALG_OPEN)
- algs |= 1;
- if (auth_alg & WPA_AUTH_ALG_SHARED)
- algs |= 2;
- if (auth_alg & WPA_AUTH_ALG_LEAP)
- algs |= 4;
- if (algs == 0)
- algs = 1; /* at least one algorithm should be set */
-
- wpa_printf(MSG_DEBUG, "%s: auth_alg=0x%x", __FUNCTION__, algs);
- return ipw_set_wpa_param(drv, IPW_PARAM_AUTH_ALGS, algs);
-}
-
-
-static int wpa_driver_ipw_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return wpa_driver_wext_get_bssid(drv->wext, bssid);
-}
-
-
-static int wpa_driver_ipw_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return wpa_driver_wext_get_ssid(drv->wext, ssid);
-}
-
-
-static int wpa_driver_ipw_scan(void *priv,
- struct wpa_driver_scan_params *params)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return wpa_driver_wext_scan(drv->wext, params);
-}
-
-
-static struct wpa_scan_results * wpa_driver_ipw_get_scan_results(void *priv)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return wpa_driver_wext_get_scan_results(drv->wext);
-}
-
-
-static int wpa_driver_ipw_set_operstate(void *priv, int state)
-{
- struct wpa_driver_ipw_data *drv = priv;
- return wpa_driver_wext_set_operstate(drv->wext, state);
-}
-
-
-static void * wpa_driver_ipw_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_ipw_data *drv;
- int ver;
-
- wpa_printf(MSG_DEBUG, "%s is called", __FUNCTION__);
- 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;
- }
-
- ver = wpa_driver_wext_get_version(drv->wext);
- if (ver >= 18) {
- wpa_printf(MSG_WARNING, "Linux wireless extensions version %d "
- "detected.", ver);
- wpa_printf(MSG_WARNING, "ipw2x00 driver uses driver_wext "
- "(-Dwext) instead of driver_ipw.");
- }
-
- 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_ipw_set_wpa(drv, 1);
-
- return drv;
-}
-
-
-static void wpa_driver_ipw_deinit(void *priv)
-{
- struct wpa_driver_ipw_data *drv = priv;
- wpa_driver_ipw_set_wpa(drv, 0);
- wpa_driver_wext_deinit(drv->wext);
- close(drv->sock);
- os_free(drv);
-}
-
-
-const struct wpa_driver_ops wpa_driver_ipw_ops = {
- .name = "ipw",
- .desc = "Intel ipw2100/2200 driver (old; use wext with Linux 2.6.13 "
- "or newer)",
- .get_bssid = wpa_driver_ipw_get_bssid,
- .get_ssid = wpa_driver_ipw_get_ssid,
- .set_key = wpa_driver_ipw_set_key,
- .set_countermeasures = wpa_driver_ipw_set_countermeasures,
- .scan2 = wpa_driver_ipw_scan,
- .get_scan_results2 = wpa_driver_ipw_get_scan_results,
- .deauthenticate = wpa_driver_ipw_deauthenticate,
- .disassociate = wpa_driver_ipw_disassociate,
- .associate = wpa_driver_ipw_associate,
- .init = wpa_driver_ipw_init,
- .deinit = wpa_driver_ipw_deinit,
- .set_operstate = wpa_driver_ipw_set_operstate,
-};
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