+++ /dev/null
-/*
- * WPA Supplicant - driver interaction with Linux ndiswrapper
- * Copyright (c) 2004-2006, Giridhar Pemmasani <giri@lmc.cs.sunysb.edu>
- * Copyright (c) 2004-2006, 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 ndiswrapper supports WPA configuration via Linux wireless
- * extensions and if the kernel includes support for this, driver_wext.c should
- * be used instead of this driver wrapper.
- */
-
-#include "includes.h"
-#include <sys/ioctl.h>
-
-#include "wireless_copy.h"
-#include "common.h"
-#include "driver.h"
-#include "driver_wext.h"
-
-struct wpa_driver_ndiswrapper_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
-};
-
-
-struct wpa_key {
- enum wpa_alg alg;
- const u8 *addr;
- int key_index;
- int set_tx;
- const u8 *seq;
- size_t seq_len;
- const u8 *key;
- size_t key_len;
-};
-
-struct wpa_assoc_info {
- const u8 *bssid;
- const u8 *ssid;
- size_t ssid_len;
- int freq;
- const u8 *wpa_ie;
- size_t wpa_ie_len;
- enum wpa_cipher pairwise_suite;
- enum wpa_cipher group_suite;
- enum wpa_key_mgmt key_mgmt_suite;
- int auth_alg;
- int mode;
-};
-
-#define PRIV_RESET SIOCIWFIRSTPRIV+0
-#define WPA_SET_WPA SIOCIWFIRSTPRIV+1
-#define WPA_SET_KEY SIOCIWFIRSTPRIV+2
-#define WPA_ASSOCIATE SIOCIWFIRSTPRIV+3
-#define WPA_DISASSOCIATE SIOCIWFIRSTPRIV+4
-#define WPA_DROP_UNENCRYPTED SIOCIWFIRSTPRIV+5
-#define WPA_SET_COUNTERMEASURES SIOCIWFIRSTPRIV+6
-#define WPA_DEAUTHENTICATE SIOCIWFIRSTPRIV+7
-#define WPA_SET_AUTH_ALG SIOCIWFIRSTPRIV+8
-#define WPA_INIT SIOCIWFIRSTPRIV+9
-#define WPA_DEINIT SIOCIWFIRSTPRIV+10
-#define WPA_GET_CAPA SIOCIWFIRSTPRIV+11
-
-static int wpa_ndiswrapper_set_auth_alg(void *priv, int auth_alg);
-
-static int get_socket(void)
-{
- static const int families[] = {
- AF_INET, AF_IPX, AF_AX25, AF_APPLETALK
- };
- unsigned int i;
- int sock;
-
- for (i = 0; i < sizeof(families) / sizeof(int); ++i) {
- sock = socket(families[i], SOCK_DGRAM, 0);
- if (sock >= 0)
- return sock;
- }
-
- return -1;
-}
-
-static int iw_set_ext(struct wpa_driver_ndiswrapper_data *drv, int request,
- struct iwreq *pwrq)
-{
- os_strlcpy(pwrq->ifr_name, drv->ifname, IFNAMSIZ);
- return ioctl(drv->sock, request, pwrq);
-}
-
-static int wpa_ndiswrapper_set_wpa(void *priv, int enabled)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- struct iwreq priv_req;
- int ret = 0;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.data.flags = enabled;
- if (iw_set_ext(drv, WPA_SET_WPA, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int wpa_ndiswrapper_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_ndiswrapper_data *drv = priv;
- struct wpa_key wpa_key;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- wpa_key.alg = alg;
- wpa_key.addr = addr;
- wpa_key.key_index = key_idx;
- wpa_key.set_tx = set_tx;
- wpa_key.seq = seq;
- wpa_key.seq_len = seq_len;
- wpa_key.key = key;
- wpa_key.key_len = key_len;
-
- priv_req.u.data.pointer = (void *)&wpa_key;
- priv_req.u.data.length = sizeof(wpa_key);
-
- if (iw_set_ext(drv, WPA_SET_KEY, &priv_req) < 0)
- ret = -1;
-
- if (alg == WPA_ALG_NONE) {
- /*
- * ndiswrapper did not seem to be clearing keys properly in
- * some cases with WPA_SET_KEY. For example, roaming from WPA
- * enabled AP to plaintext one seemed to fail since the driver
- * did not associate. Try to make sure the keys are cleared so
- * that plaintext APs can be used in all cases.
- */
- wpa_driver_wext_set_key(ifname, drv->wext, alg, addr, key_idx,
- set_tx, seq, seq_len, key, key_len);
- }
-
- return ret;
-}
-
-static int wpa_ndiswrapper_set_countermeasures(void *priv, int enabled)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.param.value = enabled;
- if (iw_set_ext(drv, WPA_SET_COUNTERMEASURES, &priv_req) < 0)
- ret = -1;
-
- return ret;
-}
-
-static int wpa_ndiswrapper_set_drop_unencrypted(void *priv,
- int enabled)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.param.value = enabled;
- if (iw_set_ext(drv, WPA_DROP_UNENCRYPTED, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int wpa_ndiswrapper_deauthenticate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.param.value = reason_code;
- os_memcpy(&priv_req.u.ap_addr.sa_data, addr, ETH_ALEN);
- if (iw_set_ext(drv, WPA_DEAUTHENTICATE, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int wpa_ndiswrapper_disassociate(void *priv, const u8 *addr,
- int reason_code)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- os_memcpy(&priv_req.u.ap_addr.sa_data, addr, ETH_ALEN);
- if (iw_set_ext(drv, WPA_DISASSOCIATE, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int
-wpa_ndiswrapper_associate(void *priv,
- struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct wpa_assoc_info wpa_assoc_info;
- struct iwreq priv_req;
-
- if (wpa_ndiswrapper_set_drop_unencrypted(drv,
- params->drop_unencrypted) < 0)
- ret = -1;
- if (wpa_ndiswrapper_set_auth_alg(drv, params->auth_alg) < 0)
- ret = -1;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
- os_memset(&wpa_assoc_info, 0, sizeof(wpa_assoc_info));
-
- wpa_assoc_info.bssid = params->bssid;
- wpa_assoc_info.ssid = params->ssid;
- wpa_assoc_info.ssid_len = params->ssid_len;
- wpa_assoc_info.freq = params->freq;
- wpa_assoc_info.wpa_ie = params->wpa_ie;
- wpa_assoc_info.wpa_ie_len = params->wpa_ie_len;
- wpa_assoc_info.pairwise_suite = params->pairwise_suite;
- wpa_assoc_info.group_suite = params->group_suite;
- wpa_assoc_info.key_mgmt_suite = params->key_mgmt_suite;
- wpa_assoc_info.auth_alg = params->auth_alg;
- wpa_assoc_info.mode = params->mode;
-
- priv_req.u.data.pointer = (void *)&wpa_assoc_info;
- priv_req.u.data.length = sizeof(wpa_assoc_info);
-
- if (iw_set_ext(drv, WPA_ASSOCIATE, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int wpa_ndiswrapper_set_auth_alg(void *priv, int auth_alg)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.param.value = auth_alg;
- if (iw_set_ext(drv, WPA_SET_AUTH_ALG, &priv_req) < 0)
- ret = -1;
- return ret;
-}
-
-static int wpa_ndiswrapper_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- return wpa_driver_wext_get_bssid(drv->wext, bssid);
-}
-
-
-static int wpa_ndiswrapper_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- return wpa_driver_wext_get_ssid(drv->wext, ssid);
-}
-
-
-static int wpa_ndiswrapper_scan(void *priv,
- struct wpa_driver_scan_params *params)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- return wpa_driver_wext_scan(drv->wext, params);
-}
-
-
-static struct wpa_scan_results * wpa_ndiswrapper_get_scan_results(void *priv)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- return wpa_driver_wext_get_scan_results(drv->wext);
-}
-
-
-static int wpa_ndiswrapper_get_capa(void *priv, struct wpa_driver_capa *capa)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- int ret = 0;
- struct iwreq priv_req;
-
- os_memset(&priv_req, 0, sizeof(priv_req));
-
- priv_req.u.data.pointer = (void *) capa;
- priv_req.u.data.length = sizeof(*capa);
- if (iw_set_ext(drv, WPA_GET_CAPA, &priv_req) < 0)
- ret = -1;
- return ret;
-
-}
-
-
-static int wpa_ndiswrapper_set_operstate(void *priv, int state)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- return wpa_driver_wext_set_operstate(drv->wext, state);
-}
-
-
-static void * wpa_ndiswrapper_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_ndiswrapper_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 = get_socket();
- if (drv->sock < 0) {
- wpa_driver_wext_deinit(drv->wext);
- os_free(drv);
- return NULL;
- }
-
- wpa_ndiswrapper_set_wpa(drv, 1);
-
- return drv;
-}
-
-
-static void wpa_ndiswrapper_deinit(void *priv)
-{
- struct wpa_driver_ndiswrapper_data *drv = priv;
- wpa_ndiswrapper_set_wpa(drv, 0);
- wpa_driver_wext_deinit(drv->wext);
- close(drv->sock);
- os_free(drv);
-}
-
-
-const struct wpa_driver_ops wpa_driver_ndiswrapper_ops = {
- .name = "ndiswrapper",
- .desc = "Linux ndiswrapper (deprecated; use wext)",
- .set_key = wpa_ndiswrapper_set_key,
- .set_countermeasures = wpa_ndiswrapper_set_countermeasures,
- .deauthenticate = wpa_ndiswrapper_deauthenticate,
- .disassociate = wpa_ndiswrapper_disassociate,
- .associate = wpa_ndiswrapper_associate,
-
- .get_bssid = wpa_ndiswrapper_get_bssid,
- .get_ssid = wpa_ndiswrapper_get_ssid,
- .scan2 = wpa_ndiswrapper_scan,
- .get_scan_results2 = wpa_ndiswrapper_get_scan_results,
- .init = wpa_ndiswrapper_init,
- .deinit = wpa_ndiswrapper_deinit,
- .get_capa = wpa_ndiswrapper_get_capa,
- .set_operstate = wpa_ndiswrapper_set_operstate,
-};
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