+++ /dev/null
-/*
- * WPA Supplicant - driver interaction with MADWIFI 802.11 driver
- * Copyright (c) 2004, Sam Leffler <sam@errno.com>
- * Copyright (c) 2004, Video54 Technologies
- * 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.
- *
- * While this driver wrapper supports both AP (hostapd) and station
- * (wpa_supplicant) operations, the station side is deprecated and
- * driver_wext.c should be used instead. This driver wrapper should only be
- * used with hostapd for AP mode functionality.
- */
-
-#include "includes.h"
-#include <sys/ioctl.h>
-
-#include "common.h"
-#include "driver.h"
-#include "driver_wext.h"
-#include "eloop.h"
-#include "common/ieee802_11_defs.h"
-#include "wireless_copy.h"
-
-/*
- * Avoid conflicts with wpa_supplicant definitions by undefining a definition.
- */
-#undef WME_OUI_TYPE
-
-#include <include/compat.h>
-#include <net80211/ieee80211.h>
-#ifdef WME_NUM_AC
-/* Assume this is built against BSD branch of madwifi driver. */
-#define MADWIFI_BSD
-#include <net80211/_ieee80211.h>
-#endif /* WME_NUM_AC */
-#include <net80211/ieee80211_crypto.h>
-#include <net80211/ieee80211_ioctl.h>
-
-#ifdef CONFIG_WPS
-#ifdef IEEE80211_IOCTL_FILTERFRAME
-#include <netpacket/packet.h>
-
-#ifndef ETH_P_80211_RAW
-#define ETH_P_80211_RAW 0x0019
-#endif
-#endif /* IEEE80211_IOCTL_FILTERFRAME */
-#endif /* CONFIG_WPS */
-
-/*
- * Avoid conflicts with hostapd definitions by undefining couple of defines
- * from madwifi header files.
- */
-#undef RSN_VERSION
-#undef WPA_VERSION
-#undef WPA_OUI_TYPE
-#undef WME_OUI_TYPE
-
-
-#ifdef IEEE80211_IOCTL_SETWMMPARAMS
-/* Assume this is built against madwifi-ng */
-#define MADWIFI_NG
-#endif /* IEEE80211_IOCTL_SETWMMPARAMS */
-
-
-#ifdef HOSTAPD
-
-#include "priv_netlink.h"
-#include "netlink.h"
-#include "linux_ioctl.h"
-#include "l2_packet/l2_packet.h"
-
-
-struct madwifi_driver_data {
- struct hostapd_data *hapd; /* back pointer */
-
- char iface[IFNAMSIZ + 1];
- int ifindex;
- struct l2_packet_data *sock_xmit; /* raw packet xmit socket */
- struct l2_packet_data *sock_recv; /* raw packet recv socket */
- int ioctl_sock; /* socket for ioctl() use */
- struct netlink_data *netlink;
- int we_version;
- u8 acct_mac[ETH_ALEN];
- struct hostap_sta_driver_data acct_data;
-
- struct l2_packet_data *sock_raw; /* raw 802.11 management frames */
-};
-
-static int madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
- int reason_code);
-
-static int
-set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
-{
- struct iwreq iwr;
- int do_inline = len < IFNAMSIZ;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
-#ifdef IEEE80211_IOCTL_FILTERFRAME
- /* FILTERFRAME must be NOT inline, regardless of size. */
- if (op == IEEE80211_IOCTL_FILTERFRAME)
- do_inline = 0;
-#endif /* IEEE80211_IOCTL_FILTERFRAME */
- if (op == IEEE80211_IOCTL_SET_APPIEBUF)
- do_inline = 0;
- if (do_inline) {
- /*
- * Argument data fits inline; put it there.
- */
- memcpy(iwr.u.name, data, len);
- } else {
- /*
- * Argument data too big for inline transfer; setup a
- * parameter block instead; the kernel will transfer
- * the data for the driver.
- */
- iwr.u.data.pointer = data;
- iwr.u.data.length = len;
- }
-
- if (ioctl(drv->ioctl_sock, op, &iwr) < 0) {
-#ifdef MADWIFI_NG
- int first = IEEE80211_IOCTL_SETPARAM;
- static const char *opnames[] = {
- "ioctl[IEEE80211_IOCTL_SETPARAM]",
- "ioctl[IEEE80211_IOCTL_GETPARAM]",
- "ioctl[IEEE80211_IOCTL_SETMODE]",
- "ioctl[IEEE80211_IOCTL_GETMODE]",
- "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
- "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
- "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
- "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
- "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
- "ioctl[IEEE80211_IOCTL_GET_APPIEBUF]",
- "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
- "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
- "ioctl[IEEE80211_IOCTL_FILTERFRAME]",
- "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
- "ioctl[IEEE80211_IOCTL_SETOPTIE]",
- "ioctl[IEEE80211_IOCTL_GETOPTIE]",
- "ioctl[IEEE80211_IOCTL_SETMLME]",
- NULL,
- "ioctl[IEEE80211_IOCTL_SETKEY]",
- NULL,
- "ioctl[IEEE80211_IOCTL_DELKEY]",
- NULL,
- "ioctl[IEEE80211_IOCTL_ADDMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_DELMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_WDSMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_KICKMAC]",
- };
-#else /* MADWIFI_NG */
- int first = IEEE80211_IOCTL_SETPARAM;
- static const char *opnames[] = {
- "ioctl[IEEE80211_IOCTL_SETPARAM]",
- "ioctl[IEEE80211_IOCTL_GETPARAM]",
- "ioctl[IEEE80211_IOCTL_SETKEY]",
- "ioctl[SIOCIWFIRSTPRIV+3]",
- "ioctl[IEEE80211_IOCTL_DELKEY]",
- "ioctl[SIOCIWFIRSTPRIV+5]",
- "ioctl[IEEE80211_IOCTL_SETMLME]",
- "ioctl[SIOCIWFIRSTPRIV+7]",
- "ioctl[IEEE80211_IOCTL_SETOPTIE]",
- "ioctl[IEEE80211_IOCTL_GETOPTIE]",
- "ioctl[IEEE80211_IOCTL_ADDMAC]",
- "ioctl[SIOCIWFIRSTPRIV+11]",
- "ioctl[IEEE80211_IOCTL_DELMAC]",
- "ioctl[SIOCIWFIRSTPRIV+13]",
- "ioctl[IEEE80211_IOCTL_CHANLIST]",
- "ioctl[SIOCIWFIRSTPRIV+15]",
- "ioctl[IEEE80211_IOCTL_GETRSN]",
- "ioctl[SIOCIWFIRSTPRIV+17]",
- "ioctl[IEEE80211_IOCTL_GETKEY]",
- };
-#endif /* MADWIFI_NG */
- int idx = op - first;
- if (first <= op &&
- idx < (int) (sizeof(opnames) / sizeof(opnames[0])) &&
- opnames[idx])
- perror(opnames[idx]);
- else
- perror("ioctl[unknown???]");
- return -1;
- }
- return 0;
-}
-
-static int
-set80211param(struct madwifi_driver_data *drv, int op, int arg)
-{
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
- iwr.u.mode = op;
- memcpy(iwr.u.name+sizeof(__u32), &arg, sizeof(arg));
-
- if (ioctl(drv->ioctl_sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
- perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
- wpa_printf(MSG_DEBUG, "%s: Failed to set parameter (op %d "
- "arg %d)", __func__, op, arg);
- return -1;
- }
- return 0;
-}
-
-#ifndef CONFIG_NO_STDOUT_DEBUG
-static const char *
-ether_sprintf(const u8 *addr)
-{
- static char buf[sizeof(MACSTR)];
-
- if (addr != NULL)
- snprintf(buf, sizeof(buf), MACSTR, MAC2STR(addr));
- else
- snprintf(buf, sizeof(buf), MACSTR, 0,0,0,0,0,0);
- return buf;
-}
-#endif /* CONFIG_NO_STDOUT_DEBUG */
-
-/*
- * Configure WPA parameters.
- */
-static int
-madwifi_configure_wpa(struct madwifi_driver_data *drv,
- struct wpa_bss_params *params)
-{
- int v;
-
- switch (params->wpa_group) {
- case WPA_CIPHER_CCMP:
- v = IEEE80211_CIPHER_AES_CCM;
- break;
- case WPA_CIPHER_TKIP:
- v = IEEE80211_CIPHER_TKIP;
- break;
- case WPA_CIPHER_WEP104:
- v = IEEE80211_CIPHER_WEP;
- break;
- case WPA_CIPHER_WEP40:
- v = IEEE80211_CIPHER_WEP;
- break;
- case WPA_CIPHER_NONE:
- v = IEEE80211_CIPHER_NONE;
- break;
- default:
- wpa_printf(MSG_ERROR, "Unknown group key cipher %u",
- params->wpa_group);
- return -1;
- }
- wpa_printf(MSG_DEBUG, "%s: group key cipher=%d", __func__, v);
- if (set80211param(drv, IEEE80211_PARAM_MCASTCIPHER, v)) {
- printf("Unable to set group key cipher to %u\n", v);
- return -1;
- }
- if (v == IEEE80211_CIPHER_WEP) {
- /* key length is done only for specific ciphers */
- v = (params->wpa_group == WPA_CIPHER_WEP104 ? 13 : 5);
- if (set80211param(drv, IEEE80211_PARAM_MCASTKEYLEN, v)) {
- printf("Unable to set group key length to %u\n", v);
- return -1;
- }
- }
-
- v = 0;
- if (params->wpa_pairwise & WPA_CIPHER_CCMP)
- v |= 1<<IEEE80211_CIPHER_AES_CCM;
- if (params->wpa_pairwise & WPA_CIPHER_TKIP)
- v |= 1<<IEEE80211_CIPHER_TKIP;
- if (params->wpa_pairwise & WPA_CIPHER_NONE)
- v |= 1<<IEEE80211_CIPHER_NONE;
- wpa_printf(MSG_DEBUG, "%s: pairwise key ciphers=0x%x", __func__, v);
- if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
- printf("Unable to set pairwise key ciphers to 0x%x\n", v);
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: key management algorithms=0x%x",
- __func__, params->wpa_key_mgmt);
- if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS,
- params->wpa_key_mgmt)) {
- printf("Unable to set key management algorithms to 0x%x\n",
- params->wpa_key_mgmt);
- return -1;
- }
-
- v = 0;
- if (params->rsn_preauth)
- v |= BIT(0);
- wpa_printf(MSG_DEBUG, "%s: rsn capabilities=0x%x",
- __func__, params->rsn_preauth);
- if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
- printf("Unable to set RSN capabilities to 0x%x\n", v);
- return -1;
- }
-
- wpa_printf(MSG_DEBUG, "%s: enable WPA=0x%x", __func__, params->wpa);
- if (set80211param(drv, IEEE80211_PARAM_WPA, params->wpa)) {
- printf("Unable to set WPA to %u\n", params->wpa);
- return -1;
- }
- return 0;
-}
-
-static int
-madwifi_set_ieee8021x(void *priv, struct wpa_bss_params *params)
-{
- struct madwifi_driver_data *drv = priv;
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, params->enabled);
-
- if (!params->enabled) {
- /* XXX restore state */
- return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
- IEEE80211_AUTH_AUTO);
- }
- if (!params->wpa && !params->ieee802_1x) {
- hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
- HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
- return -1;
- }
- if (params->wpa && madwifi_configure_wpa(drv, params) != 0) {
- hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
- HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
- return -1;
- }
- if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
- (params->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
- hostapd_logger(drv->hapd, NULL, HOSTAPD_MODULE_DRIVER,
- HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
- return -1;
- }
-
- return 0;
-}
-
-static int
-madwifi_set_privacy(void *priv, int enabled)
-{
- struct madwifi_driver_data *drv = priv;
-
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
-
- return set80211param(drv, IEEE80211_PARAM_PRIVACY, enabled);
-}
-
-static int
-madwifi_set_sta_authorized(void *priv, const u8 *addr, int authorized)
-{
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_mlme mlme;
- int ret;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s authorized=%d",
- __func__, ether_sprintf(addr), authorized);
-
- if (authorized)
- mlme.im_op = IEEE80211_MLME_AUTHORIZE;
- else
- mlme.im_op = IEEE80211_MLME_UNAUTHORIZE;
- mlme.im_reason = 0;
- memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to %sauthorize STA " MACSTR,
- __func__, authorized ? "" : "un", MAC2STR(addr));
- }
-
- return ret;
-}
-
-static int
-madwifi_sta_set_flags(void *priv, const u8 *addr,
- int total_flags, int flags_or, int flags_and)
-{
- /* For now, only support setting Authorized flag */
- if (flags_or & WPA_STA_AUTHORIZED)
- return madwifi_set_sta_authorized(priv, addr, 1);
- if (!(flags_and & WPA_STA_AUTHORIZED))
- return madwifi_set_sta_authorized(priv, addr, 0);
- return 0;
-}
-
-static int
-madwifi_del_key(void *priv, const u8 *addr, int key_idx)
-{
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_del_key wk;
- int ret;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s key_idx=%d",
- __func__, ether_sprintf(addr), key_idx);
-
- memset(&wk, 0, sizeof(wk));
- if (addr != NULL) {
- memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
- wk.idk_keyix = (u8) IEEE80211_KEYIX_NONE;
- } else {
- wk.idk_keyix = key_idx;
- }
-
- ret = set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to delete key (addr %s"
- " key_idx %d)", __func__, ether_sprintf(addr),
- key_idx);
- }
-
- return ret;
-}
-
-static int
-wpa_driver_madwifi_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 madwifi_driver_data *drv = priv;
- struct ieee80211req_key wk;
- u_int8_t cipher;
- int ret;
-
- if (alg == WPA_ALG_NONE)
- return madwifi_del_key(drv, addr, key_idx);
-
- wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%s key_idx=%d",
- __func__, alg, ether_sprintf(addr), key_idx);
-
- if (alg == WPA_ALG_WEP)
- cipher = IEEE80211_CIPHER_WEP;
- else if (alg == WPA_ALG_TKIP)
- cipher = IEEE80211_CIPHER_TKIP;
- else if (alg == WPA_ALG_CCMP)
- cipher = IEEE80211_CIPHER_AES_CCM;
- else {
- printf("%s: unknown/unsupported algorithm %d\n",
- __func__, alg);
- return -1;
- }
-
- if (key_len > sizeof(wk.ik_keydata)) {
- printf("%s: key length %lu too big\n", __func__,
- (unsigned long) key_len);
- return -3;
- }
-
- memset(&wk, 0, sizeof(wk));
- wk.ik_type = cipher;
- wk.ik_flags = IEEE80211_KEY_RECV | IEEE80211_KEY_XMIT;
- if (addr == NULL) {
- memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
- wk.ik_keyix = key_idx;
- wk.ik_flags |= IEEE80211_KEY_DEFAULT;
- } else {
- memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
- wk.ik_keyix = IEEE80211_KEYIX_NONE;
- }
- wk.ik_keylen = key_len;
- memcpy(wk.ik_keydata, key, key_len);
-
- ret = set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to set key (addr %s"
- " key_idx %d alg %d key_len %lu set_tx %d)",
- __func__, ether_sprintf(wk.ik_macaddr), key_idx,
- alg, (unsigned long) key_len, set_tx);
- }
-
- return ret;
-}
-
-
-static int
-madwifi_get_seqnum(const char *ifname, void *priv, const u8 *addr, int idx,
- u8 *seq)
-{
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_key wk;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s idx=%d",
- __func__, ether_sprintf(addr), idx);
-
- memset(&wk, 0, sizeof(wk));
- if (addr == NULL)
- memset(wk.ik_macaddr, 0xff, IEEE80211_ADDR_LEN);
- else
- memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
- wk.ik_keyix = idx;
-
- if (set80211priv(drv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
- wpa_printf(MSG_DEBUG, "%s: Failed to get encryption data "
- "(addr " MACSTR " key_idx %d)",
- __func__, MAC2STR(wk.ik_macaddr), idx);
- return -1;
- }
-
-#ifdef WORDS_BIGENDIAN
- {
- /*
- * wk.ik_keytsc is in host byte order (big endian), need to
- * swap it to match with the byte order used in WPA.
- */
- int i;
- u8 tmp[WPA_KEY_RSC_LEN];
- memcpy(tmp, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
- for (i = 0; i < WPA_KEY_RSC_LEN; i++) {
- seq[i] = tmp[WPA_KEY_RSC_LEN - i - 1];
- }
- }
-#else /* WORDS_BIGENDIAN */
- memcpy(seq, &wk.ik_keytsc, sizeof(wk.ik_keytsc));
-#endif /* WORDS_BIGENDIAN */
- return 0;
-}
-
-
-static int
-madwifi_flush(void *priv)
-{
-#ifdef MADWIFI_BSD
- u8 allsta[IEEE80211_ADDR_LEN];
- memset(allsta, 0xff, IEEE80211_ADDR_LEN);
- return madwifi_sta_deauth(priv, NULL, allsta,
- IEEE80211_REASON_AUTH_LEAVE);
-#else /* MADWIFI_BSD */
- return 0; /* XXX */
-#endif /* MADWIFI_BSD */
-}
-
-
-static int
-madwifi_read_sta_driver_data(void *priv, struct hostap_sta_driver_data *data,
- const u8 *addr)
-{
- struct madwifi_driver_data *drv = priv;
-
-#ifdef MADWIFI_BSD
- struct ieee80211req_sta_stats stats;
-
- memset(data, 0, sizeof(*data));
-
- /*
- * Fetch statistics for station from the system.
- */
- memset(&stats, 0, sizeof(stats));
- memcpy(stats.is_u.macaddr, addr, IEEE80211_ADDR_LEN);
- if (set80211priv(drv,
-#ifdef MADWIFI_NG
- IEEE80211_IOCTL_STA_STATS,
-#else /* MADWIFI_NG */
- IEEE80211_IOCTL_GETSTASTATS,
-#endif /* MADWIFI_NG */
- &stats, sizeof(stats))) {
- wpa_printf(MSG_DEBUG, "%s: Failed to fetch STA stats (addr "
- MACSTR ")", __func__, MAC2STR(addr));
- if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
- memcpy(data, &drv->acct_data, sizeof(*data));
- return 0;
- }
-
- printf("Failed to get station stats information element.\n");
- return -1;
- }
-
- data->rx_packets = stats.is_stats.ns_rx_data;
- data->rx_bytes = stats.is_stats.ns_rx_bytes;
- data->tx_packets = stats.is_stats.ns_tx_data;
- data->tx_bytes = stats.is_stats.ns_tx_bytes;
- return 0;
-
-#else /* MADWIFI_BSD */
-
- char buf[1024], line[128], *pos;
- FILE *f;
- unsigned long val;
-
- memset(data, 0, sizeof(*data));
- snprintf(buf, sizeof(buf), "/proc/net/madwifi/%s/" MACSTR,
- drv->iface, MAC2STR(addr));
-
- f = fopen(buf, "r");
- if (!f) {
- if (memcmp(addr, drv->acct_mac, ETH_ALEN) != 0)
- return -1;
- memcpy(data, &drv->acct_data, sizeof(*data));
- return 0;
- }
- /* Need to read proc file with in one piece, so use large enough
- * buffer. */
- setbuffer(f, buf, sizeof(buf));
-
- while (fgets(line, sizeof(line), f)) {
- pos = strchr(line, '=');
- if (!pos)
- continue;
- *pos++ = '\0';
- val = strtoul(pos, NULL, 10);
- if (strcmp(line, "rx_packets") == 0)
- data->rx_packets = val;
- else if (strcmp(line, "tx_packets") == 0)
- data->tx_packets = val;
- else if (strcmp(line, "rx_bytes") == 0)
- data->rx_bytes = val;
- else if (strcmp(line, "tx_bytes") == 0)
- data->tx_bytes = val;
- }
-
- fclose(f);
-
- return 0;
-#endif /* MADWIFI_BSD */
-}
-
-
-static int
-madwifi_sta_clear_stats(void *priv, const u8 *addr)
-{
-#if defined(MADWIFI_BSD) && defined(IEEE80211_MLME_CLEAR_STATS)
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_mlme mlme;
- int ret;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s", __func__, ether_sprintf(addr));
-
- mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
- memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
- sizeof(mlme));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to clear STA stats (addr "
- MACSTR ")", __func__, MAC2STR(addr));
- }
-
- return ret;
-#else /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
- return 0; /* FIX */
-#endif /* MADWIFI_BSD && IEEE80211_MLME_CLEAR_STATS */
-}
-
-
-static int
-madwifi_set_opt_ie(void *priv, const u8 *ie, size_t ie_len)
-{
- /*
- * Do nothing; we setup parameters at startup that define the
- * contents of the beacon information element.
- */
- return 0;
-}
-
-static int
-madwifi_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
- int reason_code)
-{
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_mlme mlme;
- int ret;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
- __func__, ether_sprintf(addr), reason_code);
-
- mlme.im_op = IEEE80211_MLME_DEAUTH;
- mlme.im_reason = reason_code;
- memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to deauth STA (addr " MACSTR
- " reason %d)",
- __func__, MAC2STR(addr), reason_code);
- }
-
- return ret;
-}
-
-static int
-madwifi_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
- int reason_code)
-{
- struct madwifi_driver_data *drv = priv;
- struct ieee80211req_mlme mlme;
- int ret;
-
- wpa_printf(MSG_DEBUG, "%s: addr=%s reason_code=%d",
- __func__, ether_sprintf(addr), reason_code);
-
- mlme.im_op = IEEE80211_MLME_DISASSOC;
- mlme.im_reason = reason_code;
- memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- ret = set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
- if (ret < 0) {
- wpa_printf(MSG_DEBUG, "%s: Failed to disassoc STA (addr "
- MACSTR " reason %d)",
- __func__, MAC2STR(addr), reason_code);
- }
-
- return ret;
-}
-
-#ifdef CONFIG_WPS
-#ifdef IEEE80211_IOCTL_FILTERFRAME
-static void madwifi_raw_receive(void *ctx, const u8 *src_addr, const u8 *buf,
- size_t len)
-{
- struct madwifi_driver_data *drv = ctx;
- const struct ieee80211_mgmt *mgmt;
- u16 fc;
- union wpa_event_data event;
-
- /* Send Probe Request information to WPS processing */
-
- if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req))
- return;
- mgmt = (const struct ieee80211_mgmt *) buf;
-
- fc = le_to_host16(mgmt->frame_control);
- if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT ||
- WLAN_FC_GET_STYPE(fc) != WLAN_FC_STYPE_PROBE_REQ)
- return;
-
- os_memset(&event, 0, sizeof(event));
- event.rx_probe_req.sa = mgmt->sa;
- event.rx_probe_req.ie = mgmt->u.probe_req.variable;
- event.rx_probe_req.ie_len =
- len - (IEEE80211_HDRLEN + sizeof(mgmt->u.probe_req));
- wpa_supplicant_event(drv->hapd, EVENT_RX_PROBE_REQ, &event);
-}
-#endif /* IEEE80211_IOCTL_FILTERFRAME */
-#endif /* CONFIG_WPS */
-
-static int madwifi_receive_probe_req(struct madwifi_driver_data *drv)
-{
- int ret = 0;
-#ifdef CONFIG_WPS
-#ifdef IEEE80211_IOCTL_FILTERFRAME
- struct ieee80211req_set_filter filt;
-
- wpa_printf(MSG_DEBUG, "%s Enter", __func__);
- filt.app_filterype = IEEE80211_FILTER_TYPE_PROBE_REQ;
-
- ret = set80211priv(drv, IEEE80211_IOCTL_FILTERFRAME, &filt,
- sizeof(struct ieee80211req_set_filter));
- if (ret)
- return ret;
-
- drv->sock_raw = l2_packet_init(drv->iface, NULL, ETH_P_80211_RAW,
- madwifi_raw_receive, drv, 1);
- if (drv->sock_raw == NULL)
- return -1;
-#endif /* IEEE80211_IOCTL_FILTERFRAME */
-#endif /* CONFIG_WPS */
- return ret;
-}
-
-#ifdef CONFIG_WPS
-static int
-madwifi_set_wps_ie(void *priv, const u8 *ie, size_t len, u32 frametype)
-{
- struct madwifi_driver_data *drv = priv;
- u8 buf[256];
- struct ieee80211req_getset_appiebuf *beac_ie;
-
- wpa_printf(MSG_DEBUG, "%s buflen = %lu", __func__,
- (unsigned long) len);
-
- beac_ie = (struct ieee80211req_getset_appiebuf *) buf;
- beac_ie->app_frmtype = frametype;
- beac_ie->app_buflen = len;
- memcpy(&(beac_ie->app_buf[0]), ie, len);
-
- return set80211priv(drv, IEEE80211_IOCTL_SET_APPIEBUF, beac_ie,
- sizeof(struct ieee80211req_getset_appiebuf) + len);
-}
-
-static int
-madwifi_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
- const struct wpabuf *proberesp,
- const struct wpabuf *assocresp)
-{
- if (madwifi_set_wps_ie(priv, beacon ? wpabuf_head(beacon) : NULL,
- beacon ? wpabuf_len(beacon) : 0,
- IEEE80211_APPIE_FRAME_BEACON) < 0)
- return -1;
- return madwifi_set_wps_ie(priv,
- proberesp ? wpabuf_head(proberesp) : NULL,
- proberesp ? wpabuf_len(proberesp) : 0,
- IEEE80211_APPIE_FRAME_PROBE_RESP);
-}
-#else /* CONFIG_WPS */
-#define madwifi_set_ap_wps_ie NULL
-#endif /* CONFIG_WPS */
-
-static void
-madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
-{
- struct hostapd_data *hapd = drv->hapd;
- struct ieee80211req_wpaie ie;
- int ielen = 0;
- u8 *iebuf = NULL;
-
- /*
- * Fetch negotiated WPA/RSN parameters from the system.
- */
- memset(&ie, 0, sizeof(ie));
- memcpy(ie.wpa_macaddr, addr, IEEE80211_ADDR_LEN);
- if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
- wpa_printf(MSG_DEBUG, "%s: Failed to get WPA/RSN IE",
- __func__);
- goto no_ie;
- }
- wpa_hexdump(MSG_MSGDUMP, "madwifi req WPA IE",
- ie.wpa_ie, IEEE80211_MAX_OPT_IE);
- iebuf = ie.wpa_ie;
- /* madwifi seems to return some random data if WPA/RSN IE is not set.
- * Assume the IE was not included if the IE type is unknown. */
- if (iebuf[0] != WLAN_EID_VENDOR_SPECIFIC)
- iebuf[1] = 0;
-#ifdef MADWIFI_NG
- wpa_hexdump(MSG_MSGDUMP, "madwifi req RSN IE",
- ie.rsn_ie, IEEE80211_MAX_OPT_IE);
- if (iebuf[1] == 0 && ie.rsn_ie[1] > 0) {
- /* madwifi-ng svn #1453 added rsn_ie. Use it, if wpa_ie was not
- * set. This is needed for WPA2. */
- iebuf = ie.rsn_ie;
- if (iebuf[0] != WLAN_EID_RSN)
- iebuf[1] = 0;
- }
-#endif /* MADWIFI_NG */
-
- ielen = iebuf[1];
- if (ielen == 0)
- iebuf = NULL;
- else
- ielen += 2;
-
-no_ie:
- drv_event_assoc(hapd, addr, iebuf, ielen);
-
- if (memcmp(addr, drv->acct_mac, ETH_ALEN) == 0) {
- /* Cached accounting data is not valid anymore. */
- memset(drv->acct_mac, 0, ETH_ALEN);
- memset(&drv->acct_data, 0, sizeof(drv->acct_data));
- }
-}
-
-static void
-madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
- char *custom)
-{
- wpa_printf(MSG_DEBUG, "Custom wireless event: '%s'", custom);
-
- if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
- char *pos;
- u8 addr[ETH_ALEN];
- pos = strstr(custom, "addr=");
- if (pos == NULL) {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "without sender address ignored");
- return;
- }
- pos += 5;
- if (hwaddr_aton(pos, addr) == 0) {
- union wpa_event_data data;
- os_memset(&data, 0, sizeof(data));
- data.michael_mic_failure.unicast = 1;
- data.michael_mic_failure.src = addr;
- wpa_supplicant_event(drv->hapd,
- EVENT_MICHAEL_MIC_FAILURE, &data);
- } else {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "with invalid MAC address");
- }
- } else if (strncmp(custom, "STA-TRAFFIC-STAT", 16) == 0) {
- char *key, *value;
- u32 val;
- key = custom;
- while ((key = strchr(key, '\n')) != NULL) {
- key++;
- value = strchr(key, '=');
- if (value == NULL)
- continue;
- *value++ = '\0';
- val = strtoul(value, NULL, 10);
- if (strcmp(key, "mac") == 0)
- hwaddr_aton(value, drv->acct_mac);
- else if (strcmp(key, "rx_packets") == 0)
- drv->acct_data.rx_packets = val;
- else if (strcmp(key, "tx_packets") == 0)
- drv->acct_data.tx_packets = val;
- else if (strcmp(key, "rx_bytes") == 0)
- drv->acct_data.rx_bytes = val;
- else if (strcmp(key, "tx_bytes") == 0)
- drv->acct_data.tx_bytes = val;
- key = value;
- }
- }
-}
-
-static void
-madwifi_wireless_event_wireless(struct madwifi_driver_data *drv,
- char *data, int len)
-{
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end, *custom, *buf;
-
- pos = data;
- end = data + len;
-
- while (pos + IW_EV_LCP_LEN <= end) {
- /* Event data may be unaligned, so make a local, aligned copy
- * before processing. */
- memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- wpa_printf(MSG_MSGDUMP, "Wireless event: cmd=0x%x len=%d",
- iwe->cmd, iwe->len);
- if (iwe->len <= IW_EV_LCP_LEN)
- return;
-
- custom = pos + IW_EV_POINT_LEN;
- if (drv->we_version > 18 &&
- (iwe->cmd == IWEVMICHAELMICFAILURE ||
- iwe->cmd == IWEVCUSTOM)) {
- /* WE-19 removed the pointer from struct iw_point */
- char *dpos = (char *) &iwe_buf.u.data.length;
- int dlen = dpos - (char *) &iwe_buf;
- memcpy(dpos, pos + IW_EV_LCP_LEN,
- sizeof(struct iw_event) - dlen);
- } else {
- memcpy(&iwe_buf, pos, sizeof(struct iw_event));
- custom += IW_EV_POINT_OFF;
- }
-
- switch (iwe->cmd) {
- case IWEVEXPIRED:
- drv_event_disassoc(drv->hapd,
- (u8 *) iwe->u.addr.sa_data);
- break;
- case IWEVREGISTERED:
- madwifi_new_sta(drv, (u8 *) iwe->u.addr.sa_data);
- break;
- case IWEVCUSTOM:
- if (custom + iwe->u.data.length > end)
- return;
- buf = malloc(iwe->u.data.length + 1);
- if (buf == NULL)
- return; /* XXX */
- memcpy(buf, custom, iwe->u.data.length);
- buf[iwe->u.data.length] = '\0';
- madwifi_wireless_event_wireless_custom(drv, buf);
- free(buf);
- break;
- }
-
- pos += iwe->len;
- }
-}
-
-
-static void
-madwifi_wireless_event_rtm_newlink(void *ctx, struct ifinfomsg *ifi,
- u8 *buf, size_t len)
-{
- struct madwifi_driver_data *drv = ctx;
- int attrlen, rta_len;
- struct rtattr *attr;
-
- if (ifi->ifi_index != drv->ifindex)
- return;
-
- attrlen = len;
- attr = (struct rtattr *) buf;
-
- rta_len = RTA_ALIGN(sizeof(struct rtattr));
- while (RTA_OK(attr, attrlen)) {
- if (attr->rta_type == IFLA_WIRELESS) {
- madwifi_wireless_event_wireless(
- drv, ((char *) attr) + rta_len,
- attr->rta_len - rta_len);
- }
- attr = RTA_NEXT(attr, attrlen);
- }
-}
-
-
-static int
-madwifi_get_we_version(struct madwifi_driver_data *drv)
-{
- struct iw_range *range;
- struct iwreq iwr;
- int minlen;
- size_t buflen;
-
- drv->we_version = 0;
-
- /*
- * Use larger buffer than struct iw_range in order to allow the
- * structure to grow in the future.
- */
- buflen = sizeof(struct iw_range) + 500;
- range = os_zalloc(buflen);
- if (range == NULL)
- return -1;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
- iwr.u.data.pointer = (caddr_t) range;
- iwr.u.data.length = buflen;
-
- minlen = ((char *) &range->enc_capa) - (char *) range +
- sizeof(range->enc_capa);
-
- if (ioctl(drv->ioctl_sock, SIOCGIWRANGE, &iwr) < 0) {
- perror("ioctl[SIOCGIWRANGE]");
- free(range);
- return -1;
- } else if (iwr.u.data.length >= minlen &&
- range->we_version_compiled >= 18) {
- wpa_printf(MSG_DEBUG, "SIOCGIWRANGE: WE(compiled)=%d "
- "WE(source)=%d enc_capa=0x%x",
- range->we_version_compiled,
- range->we_version_source,
- range->enc_capa);
- drv->we_version = range->we_version_compiled;
- }
-
- free(range);
- return 0;
-}
-
-
-static int
-madwifi_wireless_event_init(struct madwifi_driver_data *drv)
-{
- struct netlink_config *cfg;
-
- madwifi_get_we_version(drv);
-
- cfg = os_zalloc(sizeof(*cfg));
- if (cfg == NULL)
- return -1;
- cfg->ctx = drv;
- cfg->newlink_cb = madwifi_wireless_event_rtm_newlink;
- drv->netlink = netlink_init(cfg);
- if (drv->netlink == NULL) {
- os_free(cfg);
- return -1;
- }
-
- return 0;
-}
-
-
-static int
-madwifi_send_eapol(void *priv, const u8 *addr, const u8 *data, size_t data_len,
- int encrypt, const u8 *own_addr)
-{
- struct madwifi_driver_data *drv = priv;
- unsigned char buf[3000];
- unsigned char *bp = buf;
- struct l2_ethhdr *eth;
- size_t len;
- int status;
-
- /*
- * Prepend the Ethernet header. If the caller left us
- * space at the front we could just insert it but since
- * we don't know we copy to a local buffer. Given the frequency
- * and size of frames this probably doesn't matter.
- */
- len = data_len + sizeof(struct l2_ethhdr);
- if (len > sizeof(buf)) {
- bp = malloc(len);
- if (bp == NULL) {
- printf("EAPOL frame discarded, cannot malloc temp "
- "buffer of size %lu!\n", (unsigned long) len);
- return -1;
- }
- }
- eth = (struct l2_ethhdr *) bp;
- memcpy(eth->h_dest, addr, ETH_ALEN);
- memcpy(eth->h_source, own_addr, ETH_ALEN);
- eth->h_proto = host_to_be16(ETH_P_EAPOL);
- memcpy(eth+1, data, data_len);
-
- wpa_hexdump(MSG_MSGDUMP, "TX EAPOL", bp, len);
-
- status = l2_packet_send(drv->sock_xmit, addr, ETH_P_EAPOL, bp, len);
-
- if (bp != buf)
- free(bp);
- return status;
-}
-
-static void
-handle_read(void *ctx, const u8 *src_addr, const u8 *buf, size_t len)
-{
- struct madwifi_driver_data *drv = ctx;
- drv_event_eapol_rx(drv->hapd, src_addr, buf + sizeof(struct l2_ethhdr),
- len - sizeof(struct l2_ethhdr));
-}
-
-static void *
-madwifi_init(struct hostapd_data *hapd, struct wpa_init_params *params)
-{
- struct madwifi_driver_data *drv;
- struct ifreq ifr;
- struct iwreq iwr;
- char brname[IFNAMSIZ];
-
- drv = os_zalloc(sizeof(struct madwifi_driver_data));
- if (drv == NULL) {
- printf("Could not allocate memory for madwifi driver data\n");
- return NULL;
- }
-
- drv->hapd = hapd;
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket[PF_INET,SOCK_DGRAM]");
- goto bad;
- }
- memcpy(drv->iface, params->ifname, sizeof(drv->iface));
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->iface, sizeof(ifr.ifr_name));
- if (ioctl(drv->ioctl_sock, SIOCGIFINDEX, &ifr) != 0) {
- perror("ioctl(SIOCGIFINDEX)");
- goto bad;
- }
- drv->ifindex = ifr.ifr_ifindex;
-
- drv->sock_xmit = l2_packet_init(drv->iface, NULL, ETH_P_EAPOL,
- handle_read, drv, 1);
- if (drv->sock_xmit == NULL)
- goto bad;
- if (l2_packet_get_own_addr(drv->sock_xmit, params->own_addr))
- goto bad;
- if (params->bridge[0]) {
- wpa_printf(MSG_DEBUG, "Configure bridge %s for EAPOL traffic.",
- params->bridge[0]);
- drv->sock_recv = l2_packet_init(params->bridge[0], NULL,
- ETH_P_EAPOL, handle_read, drv,
- 1);
- if (drv->sock_recv == NULL)
- goto bad;
- } else if (linux_br_get(brname, drv->iface) == 0) {
- wpa_printf(MSG_DEBUG, "Interface in bridge %s; configure for "
- "EAPOL receive", brname);
- drv->sock_recv = l2_packet_init(brname, NULL, ETH_P_EAPOL,
- handle_read, drv, 1);
- if (drv->sock_recv == NULL)
- goto bad;
- } else
- drv->sock_recv = drv->sock_xmit;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
-
- iwr.u.mode = IW_MODE_MASTER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWMODE, &iwr) < 0) {
- perror("ioctl[SIOCSIWMODE]");
- printf("Could not set interface to master mode!\n");
- goto bad;
- }
-
- /* mark down during setup */
- linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
- madwifi_set_privacy(drv, 0); /* default to no privacy */
-
- madwifi_receive_probe_req(drv);
-
- if (madwifi_wireless_event_init(drv))
- goto bad;
-
- return drv;
-bad:
- if (drv->sock_xmit != NULL)
- l2_packet_deinit(drv->sock_xmit);
- if (drv->ioctl_sock >= 0)
- close(drv->ioctl_sock);
- if (drv != NULL)
- free(drv);
- return NULL;
-}
-
-
-static void
-madwifi_deinit(void *priv)
-{
- struct madwifi_driver_data *drv = priv;
-
- netlink_deinit(drv->netlink);
- (void) linux_set_iface_flags(drv->ioctl_sock, drv->iface, 0);
- if (drv->ioctl_sock >= 0)
- close(drv->ioctl_sock);
- if (drv->sock_recv != NULL && drv->sock_recv != drv->sock_xmit)
- l2_packet_deinit(drv->sock_recv);
- if (drv->sock_xmit != NULL)
- l2_packet_deinit(drv->sock_xmit);
- if (drv->sock_raw)
- l2_packet_deinit(drv->sock_raw);
- free(drv);
-}
-
-static int
-madwifi_set_ssid(void *priv, const u8 *buf, int len)
-{
- struct madwifi_driver_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
- iwr.u.essid.flags = 1; /* SSID active */
- iwr.u.essid.pointer = (caddr_t) buf;
- iwr.u.essid.length = len + 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCSIWESSID]");
- printf("len=%d\n", len);
- return -1;
- }
- return 0;
-}
-
-static int
-madwifi_get_ssid(void *priv, u8 *buf, int len)
-{
- struct madwifi_driver_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
- iwr.u.essid.pointer = (caddr_t) buf;
- iwr.u.essid.length = len;
-
- if (ioctl(drv->ioctl_sock, SIOCGIWESSID, &iwr) < 0) {
- perror("ioctl[SIOCGIWESSID]");
- ret = -1;
- } else
- ret = iwr.u.essid.length;
-
- return ret;
-}
-
-static int
-madwifi_set_countermeasures(void *priv, int enabled)
-{
- struct madwifi_driver_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled);
-}
-
-static int
-madwifi_commit(void *priv)
-{
- struct madwifi_driver_data *drv = priv;
- return linux_set_iface_flags(drv->ioctl_sock, drv->iface, 1);
-}
-
-#else /* HOSTAPD */
-
-struct wpa_driver_madwifi_data {
- void *wext; /* private data for driver_wext */
- void *ctx;
- char ifname[IFNAMSIZ + 1];
- int sock;
-};
-
-static int wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg);
-static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
- size_t ies_len);
-
-
-static int
-set80211priv(struct wpa_driver_madwifi_data *drv, int op, void *data, int len,
- int show_err)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- if (len < IFNAMSIZ &&
- op != IEEE80211_IOCTL_SET_APPIEBUF) {
- /*
- * Argument data fits inline; put it there.
- */
- os_memcpy(iwr.u.name, data, len);
- } else {
- /*
- * Argument data too big for inline transfer; setup a
- * parameter block instead; the kernel will transfer
- * the data for the driver.
- */
- iwr.u.data.pointer = data;
- iwr.u.data.length = len;
- }
-
- if (ioctl(drv->sock, op, &iwr) < 0) {
- if (show_err) {
-#ifdef MADWIFI_NG
- int first = IEEE80211_IOCTL_SETPARAM;
- int last = IEEE80211_IOCTL_KICKMAC;
- static const char *opnames[] = {
- "ioctl[IEEE80211_IOCTL_SETPARAM]",
- "ioctl[IEEE80211_IOCTL_GETPARAM]",
- "ioctl[IEEE80211_IOCTL_SETMODE]",
- "ioctl[IEEE80211_IOCTL_GETMODE]",
- "ioctl[IEEE80211_IOCTL_SETWMMPARAMS]",
- "ioctl[IEEE80211_IOCTL_GETWMMPARAMS]",
- "ioctl[IEEE80211_IOCTL_SETCHANLIST]",
- "ioctl[IEEE80211_IOCTL_GETCHANLIST]",
- "ioctl[IEEE80211_IOCTL_CHANSWITCH]",
- NULL,
- "ioctl[IEEE80211_IOCTL_SET_APPIEBUF]",
- "ioctl[IEEE80211_IOCTL_GETSCANRESULTS]",
- NULL,
- "ioctl[IEEE80211_IOCTL_GETCHANINFO]",
- "ioctl[IEEE80211_IOCTL_SETOPTIE]",
- "ioctl[IEEE80211_IOCTL_GETOPTIE]",
- "ioctl[IEEE80211_IOCTL_SETMLME]",
- NULL,
- "ioctl[IEEE80211_IOCTL_SETKEY]",
- NULL,
- "ioctl[IEEE80211_IOCTL_DELKEY]",
- NULL,
- "ioctl[IEEE80211_IOCTL_ADDMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_DELMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_WDSMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_WDSDELMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_KICKMAC]",
- };
-#else /* MADWIFI_NG */
- int first = IEEE80211_IOCTL_SETPARAM;
- int last = IEEE80211_IOCTL_CHANLIST;
- static const char *opnames[] = {
- "ioctl[IEEE80211_IOCTL_SETPARAM]",
- "ioctl[IEEE80211_IOCTL_GETPARAM]",
- "ioctl[IEEE80211_IOCTL_SETKEY]",
- "ioctl[IEEE80211_IOCTL_GETKEY]",
- "ioctl[IEEE80211_IOCTL_DELKEY]",
- NULL,
- "ioctl[IEEE80211_IOCTL_SETMLME]",
- NULL,
- "ioctl[IEEE80211_IOCTL_SETOPTIE]",
- "ioctl[IEEE80211_IOCTL_GETOPTIE]",
- "ioctl[IEEE80211_IOCTL_ADDMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_DELMAC]",
- NULL,
- "ioctl[IEEE80211_IOCTL_CHANLIST]",
- };
-#endif /* MADWIFI_NG */
- int idx = op - first;
- if (first <= op && op <= last &&
- idx < (int) (sizeof(opnames) / sizeof(opnames[0]))
- && opnames[idx])
- perror(opnames[idx]);
- else
- perror("ioctl[unknown???]");
- }
- return -1;
- }
- return 0;
-}
-
-static int
-set80211param(struct wpa_driver_madwifi_data *drv, int op, int arg,
- int show_err)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.mode = op;
- os_memcpy(iwr.u.name+sizeof(u32), &arg, sizeof(arg));
-
- if (ioctl(drv->sock, IEEE80211_IOCTL_SETPARAM, &iwr) < 0) {
- if (show_err)
- perror("ioctl[IEEE80211_IOCTL_SETPARAM]");
- return -1;
- }
- return 0;
-}
-
-static int
-wpa_driver_madwifi_set_wpa_ie(struct wpa_driver_madwifi_data *drv,
- const u8 *wpa_ie, size_t wpa_ie_len)
-{
- struct iwreq iwr;
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- /* NB: SETOPTIE is not fixed-size so must not be inlined */
- iwr.u.data.pointer = (void *) wpa_ie;
- iwr.u.data.length = wpa_ie_len;
-
- if (ioctl(drv->sock, IEEE80211_IOCTL_SETOPTIE, &iwr) < 0) {
- perror("ioctl[IEEE80211_IOCTL_SETOPTIE]");
- return -1;
- }
- return 0;
-}
-
-static int
-wpa_driver_madwifi_del_key(struct wpa_driver_madwifi_data *drv, int key_idx,
- const u8 *addr)
-{
- struct ieee80211req_del_key wk;
-
- wpa_printf(MSG_DEBUG, "%s: keyidx=%d", __FUNCTION__, key_idx);
- os_memset(&wk, 0, sizeof(wk));
- wk.idk_keyix = key_idx;
- if (addr != NULL)
- os_memcpy(wk.idk_macaddr, addr, IEEE80211_ADDR_LEN);
-
- return set80211priv(drv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk), 1);
-}
-
-static int
-wpa_driver_madwifi_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_madwifi_data *drv = priv;
- struct ieee80211req_key wk;
- char *alg_name;
- u_int8_t cipher;
-
- if (alg == WPA_ALG_NONE)
- return wpa_driver_madwifi_del_key(drv, key_idx, addr);
-
- switch (alg) {
- case WPA_ALG_WEP:
- if (addr == NULL || os_memcmp(addr, "\xff\xff\xff\xff\xff\xff",
- ETH_ALEN) == 0) {
- /*
- * madwifi did not seem to like static WEP key
- * configuration with IEEE80211_IOCTL_SETKEY, so use
- * Linux wireless extensions ioctl for this.
- */
- return wpa_driver_wext_set_key(ifname, drv->wext, alg,
- addr, key_idx, set_tx,
- seq, seq_len,
- key, key_len);
- }
- alg_name = "WEP";
- cipher = IEEE80211_CIPHER_WEP;
- break;
- case WPA_ALG_TKIP:
- alg_name = "TKIP";
- cipher = IEEE80211_CIPHER_TKIP;
- break;
- case WPA_ALG_CCMP:
- alg_name = "CCMP";
- cipher = IEEE80211_CIPHER_AES_CCM;
- break;
- default:
- wpa_printf(MSG_DEBUG, "%s: unknown/unsupported algorithm %d",
- __FUNCTION__, alg);
- 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 > sizeof(u_int64_t)) {
- wpa_printf(MSG_DEBUG, "%s: seq_len %lu too big",
- __FUNCTION__, (unsigned long) seq_len);
- return -2;
- }
- if (key_len > sizeof(wk.ik_keydata)) {
- wpa_printf(MSG_DEBUG, "%s: key length %lu too big",
- __FUNCTION__, (unsigned long) key_len);
- return -3;
- }
-
- os_memset(&wk, 0, sizeof(wk));
- wk.ik_type = cipher;
- wk.ik_flags = IEEE80211_KEY_RECV;
- if (addr == NULL ||
- os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
- wk.ik_flags |= IEEE80211_KEY_GROUP;
- if (set_tx) {
- wk.ik_flags |= IEEE80211_KEY_XMIT | IEEE80211_KEY_DEFAULT;
- os_memcpy(wk.ik_macaddr, addr, IEEE80211_ADDR_LEN);
- } else
- os_memset(wk.ik_macaddr, 0, IEEE80211_ADDR_LEN);
- wk.ik_keyix = key_idx;
- wk.ik_keylen = key_len;
-#ifdef WORDS_BIGENDIAN
-#define WPA_KEY_RSC_LEN 8
- {
- size_t i;
- u8 tmp[WPA_KEY_RSC_LEN];
- os_memset(tmp, 0, sizeof(tmp));
- for (i = 0; i < seq_len; i++)
- tmp[WPA_KEY_RSC_LEN - i - 1] = seq[i];
- os_memcpy(&wk.ik_keyrsc, tmp, WPA_KEY_RSC_LEN);
- }
-#else /* WORDS_BIGENDIAN */
- os_memcpy(&wk.ik_keyrsc, seq, seq_len);
-#endif /* WORDS_BIGENDIAN */
- os_memcpy(wk.ik_keydata, key, key_len);
-
- return set80211priv(drv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk), 1);
-}
-
-static int
-wpa_driver_madwifi_set_countermeasures(void *priv, int enabled)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- wpa_printf(MSG_DEBUG, "%s: enabled=%d", __FUNCTION__, enabled);
- return set80211param(drv, IEEE80211_PARAM_COUNTERMEASURES, enabled, 1);
-}
-
-static int
-wpa_driver_madwifi_deauthenticate(void *priv, const u8 *addr, int reason_code)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- struct ieee80211req_mlme mlme;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- mlme.im_op = IEEE80211_MLME_DEAUTH;
- mlme.im_reason = reason_code;
- os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
-}
-
-static int
-wpa_driver_madwifi_disassociate(void *priv, const u8 *addr, int reason_code)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- struct ieee80211req_mlme mlme;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
- mlme.im_op = IEEE80211_MLME_DISASSOC;
- mlme.im_reason = reason_code;
- os_memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
- return set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme), 1);
-}
-
-static int
-wpa_driver_madwifi_associate(void *priv,
- struct wpa_driver_associate_params *params)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- struct ieee80211req_mlme mlme;
- int ret = 0, privacy = 1;
-
- wpa_printf(MSG_DEBUG, "%s", __FUNCTION__);
-
- if (set80211param(drv, IEEE80211_PARAM_DROPUNENCRYPTED,
- params->drop_unencrypted, 1) < 0)
- ret = -1;
- if (wpa_driver_madwifi_set_auth_alg(drv, params->auth_alg) < 0)
- ret = -1;
-
- /*
- * NB: Don't need to set the freq or cipher-related state as
- * this is implied by the bssid which is used to locate
- * the scanned node state which holds it. The ssid is
- * needed to disambiguate an AP that broadcasts multiple
- * ssid's but uses the same bssid.
- */
- /* XXX error handling is wrong but unclear what to do... */
- if (wpa_driver_madwifi_set_wpa_ie(drv, params->wpa_ie,
- params->wpa_ie_len) < 0)
- ret = -1;
-
- if (params->pairwise_suite == CIPHER_NONE &&
- params->group_suite == CIPHER_NONE &&
- params->key_mgmt_suite == KEY_MGMT_NONE &&
- params->wpa_ie_len == 0)
- privacy = 0;
-
- if (set80211param(drv, IEEE80211_PARAM_PRIVACY, privacy, 1) < 0)
- ret = -1;
-
- if (params->wpa_ie_len &&
- set80211param(drv, IEEE80211_PARAM_WPA,
- params->wpa_ie[0] == WLAN_EID_RSN ? 2 : 1, 1) < 0)
- ret = -1;
-
- if (params->bssid == NULL) {
- /* ap_scan=2 mode - driver takes care of AP selection and
- * roaming */
- /* FIX: this does not seem to work; would probably need to
- * change something in the driver */
- if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0)
- ret = -1;
-
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
- params->ssid_len) < 0)
- ret = -1;
- } else {
- if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0)
- ret = -1;
- if (wpa_driver_wext_set_ssid(drv->wext, params->ssid,
- params->ssid_len) < 0)
- ret = -1;
- os_memset(&mlme, 0, sizeof(mlme));
- mlme.im_op = IEEE80211_MLME_ASSOC;
- os_memcpy(mlme.im_macaddr, params->bssid, IEEE80211_ADDR_LEN);
- if (set80211priv(drv, IEEE80211_IOCTL_SETMLME, &mlme,
- sizeof(mlme), 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: SETMLME[ASSOC] failed",
- __func__);
- ret = -1;
- }
- }
-
- return ret;
-}
-
-static int
-wpa_driver_madwifi_set_auth_alg(void *priv, int auth_alg)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- int authmode;
-
- if ((auth_alg & WPA_AUTH_ALG_OPEN) &&
- (auth_alg & WPA_AUTH_ALG_SHARED))
- authmode = IEEE80211_AUTH_AUTO;
- else if (auth_alg & WPA_AUTH_ALG_SHARED)
- authmode = IEEE80211_AUTH_SHARED;
- else
- authmode = IEEE80211_AUTH_OPEN;
-
- return set80211param(drv, IEEE80211_PARAM_AUTHMODE, authmode, 1);
-}
-
-static int
-wpa_driver_madwifi_scan(void *priv, struct wpa_driver_scan_params *params)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- struct iwreq iwr;
- int ret = 0;
- const u8 *ssid = params->ssids[0].ssid;
- size_t ssid_len = params->ssids[0].ssid_len;
-
- wpa_driver_madwifi_set_probe_req_ie(drv, params->extra_ies,
- params->extra_ies_len);
-
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
-
- /* set desired ssid before scan */
- /* FIX: scan should not break the current association, so using
- * set_ssid may not be the best way of doing this.. */
- if (wpa_driver_wext_set_ssid(drv->wext, ssid, ssid_len) < 0)
- ret = -1;
-
- if (ioctl(drv->sock, SIOCSIWSCAN, &iwr) < 0) {
- perror("ioctl[SIOCSIWSCAN]");
- ret = -1;
- }
-
- /*
- * madwifi delivers a scan complete event so no need to poll, but
- * register a backup timeout anyway to make sure that we recover even
- * if the driver does not send this event for any reason. This timeout
- * will only be used if the event is not delivered (event handler will
- * cancel the timeout).
- */
- eloop_cancel_timeout(wpa_driver_wext_scan_timeout, drv->wext,
- drv->ctx);
- eloop_register_timeout(30, 0, wpa_driver_wext_scan_timeout, drv->wext,
- drv->ctx);
-
- return ret;
-}
-
-static int wpa_driver_madwifi_get_bssid(void *priv, u8 *bssid)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- return wpa_driver_wext_get_bssid(drv->wext, bssid);
-}
-
-
-static int wpa_driver_madwifi_get_ssid(void *priv, u8 *ssid)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- return wpa_driver_wext_get_ssid(drv->wext, ssid);
-}
-
-
-static struct wpa_scan_results *
-wpa_driver_madwifi_get_scan_results(void *priv)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- return wpa_driver_wext_get_scan_results(drv->wext);
-}
-
-
-static int wpa_driver_madwifi_set_operstate(void *priv, int state)
-{
- struct wpa_driver_madwifi_data *drv = priv;
- return wpa_driver_wext_set_operstate(drv->wext, state);
-}
-
-
-static int wpa_driver_madwifi_set_probe_req_ie(void *priv, const u8 *ies,
- size_t ies_len)
-{
- struct ieee80211req_getset_appiebuf *probe_req_ie;
- int ret;
-
- probe_req_ie = os_malloc(sizeof(*probe_req_ie) + ies_len);
- if (probe_req_ie == NULL)
- return -1;
-
- probe_req_ie->app_frmtype = IEEE80211_APPIE_FRAME_PROBE_REQ;
- probe_req_ie->app_buflen = ies_len;
- os_memcpy(probe_req_ie->app_buf, ies, ies_len);
-
- ret = set80211priv(priv, IEEE80211_IOCTL_SET_APPIEBUF, probe_req_ie,
- sizeof(struct ieee80211req_getset_appiebuf) +
- ies_len, 1);
-
- os_free(probe_req_ie);
-
- return ret;
-}
-
-
-static void * wpa_driver_madwifi_init(void *ctx, const char *ifname)
-{
- struct wpa_driver_madwifi_data *drv;
-
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->wext = wpa_driver_wext_init(ctx, ifname);
- if (drv->wext == NULL)
- goto fail;
-
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
- drv->sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->sock < 0)
- goto fail2;
-
- if (set80211param(drv, IEEE80211_PARAM_ROAMING, 2, 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to set wpa_supplicant-based "
- "roaming", __FUNCTION__);
- goto fail3;
- }
-
- if (set80211param(drv, IEEE80211_PARAM_WPA, 3, 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to enable WPA support",
- __FUNCTION__);
- goto fail3;
- }
-
- return drv;
-
-fail3:
- close(drv->sock);
-fail2:
- wpa_driver_wext_deinit(drv->wext);
-fail:
- os_free(drv);
- return NULL;
-}
-
-
-static void wpa_driver_madwifi_deinit(void *priv)
-{
- struct wpa_driver_madwifi_data *drv = priv;
-
- if (wpa_driver_madwifi_set_wpa_ie(drv, NULL, 0) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to clear WPA IE",
- __FUNCTION__);
- }
- if (set80211param(drv, IEEE80211_PARAM_ROAMING, 0, 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to enable driver-based "
- "roaming", __FUNCTION__);
- }
- if (set80211param(drv, IEEE80211_PARAM_PRIVACY, 0, 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to disable forced Privacy "
- "flag", __FUNCTION__);
- }
- if (set80211param(drv, IEEE80211_PARAM_WPA, 0, 1) < 0) {
- wpa_printf(MSG_DEBUG, "%s: failed to disable WPA",
- __FUNCTION__);
- }
-
- wpa_driver_wext_deinit(drv->wext);
-
- close(drv->sock);
- os_free(drv);
-}
-
-#endif /* HOSTAPD */
-
-
-const struct wpa_driver_ops wpa_driver_madwifi_ops = {
- .name = "madwifi",
- .desc = "MADWIFI 802.11 support (Atheros, etc.)",
- .set_key = wpa_driver_madwifi_set_key,
-#ifdef HOSTAPD
- .hapd_init = madwifi_init,
- .hapd_deinit = madwifi_deinit,
- .set_ieee8021x = madwifi_set_ieee8021x,
- .set_privacy = madwifi_set_privacy,
- .get_seqnum = madwifi_get_seqnum,
- .flush = madwifi_flush,
- .set_generic_elem = madwifi_set_opt_ie,
- .sta_set_flags = madwifi_sta_set_flags,
- .read_sta_data = madwifi_read_sta_driver_data,
- .hapd_send_eapol = madwifi_send_eapol,
- .sta_disassoc = madwifi_sta_disassoc,
- .sta_deauth = madwifi_sta_deauth,
- .hapd_set_ssid = madwifi_set_ssid,
- .hapd_get_ssid = madwifi_get_ssid,
- .hapd_set_countermeasures = madwifi_set_countermeasures,
- .sta_clear_stats = madwifi_sta_clear_stats,
- .commit = madwifi_commit,
- .set_ap_wps_ie = madwifi_set_ap_wps_ie,
-#else /* HOSTAPD */
- .get_bssid = wpa_driver_madwifi_get_bssid,
- .get_ssid = wpa_driver_madwifi_get_ssid,
- .init = wpa_driver_madwifi_init,
- .deinit = wpa_driver_madwifi_deinit,
- .set_countermeasures = wpa_driver_madwifi_set_countermeasures,
- .scan2 = wpa_driver_madwifi_scan,
- .get_scan_results2 = wpa_driver_madwifi_get_scan_results,
- .deauthenticate = wpa_driver_madwifi_deauthenticate,
- .disassociate = wpa_driver_madwifi_disassociate,
- .associate = wpa_driver_madwifi_associate,
- .set_operstate = wpa_driver_madwifi_set_operstate,
-#endif /* HOSTAPD */
-};
projects / mech_eap.git / blobdiff