--- /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,
+};
projects / mech_eap.orig / blobdiff