--- /dev/null
+diff -ruN hostapd-0.4.5-old/driver_madwifi.c hostapd-0.4.5-new/driver_madwifi.c
+--- hostapd-0.4.5-old/driver_madwifi.c 2005-10-23 14:52:39.000000000 +0200
++++ hostapd-0.4.5-new/driver_madwifi.c 2005-10-23 15:09:45.000000000 +0200
+@@ -20,19 +20,20 @@
+ #include <errno.h>
+ #include <sys/types.h>
+ #include <sys/socket.h>
++#include <linux/if.h>
++#include <stdint.h>
+
+ #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>
+
+ #include <net/if_arp.h>
+-#include "wireless_copy.h"
++#include <wireless.h>
+
+ #include <netinet/in.h>
+ #include <netpacket/packet.h>
+diff -ruN hostapd-0.4.5-old/driver_madwifi.~c hostapd-0.4.5-new/driver_madwifi.~c
+--- hostapd-0.4.5-old/driver_madwifi.~c 1970-01-01 01:00:00.000000000 +0100
++++ hostapd-0.4.5-new/driver_madwifi.~c 2005-10-23 15:06:20.000000000 +0200
+@@ -0,0 +1,1248 @@
++/*
++ * Host AP - driver interaction with MADWIFI 802.11 driver
++ * Copyright (c) 2004, Sam Leffler <sam@errno.com>
++ * Copyright (c) 2004, Video54 Technologies
++ *
++ * 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.
++ */
++#include <stdlib.h>
++#include <stdio.h>
++#include <unistd.h>
++#include <string.h>
++#include <sys/ioctl.h>
++#include <errno.h>
++#include <sys/types.h>
++#include <sys/socket.h>
++
++#include <include/compat.h>
++#include <net80211/ieee80211.h>
++#ifdef WME_NUM_AC
++/* Assume this is built against BSD branch of madwifi driver. */
++#include <net80211/_ieee80211.h>
++#endif /* WME_NUM_AC */
++#include <net80211/ieee80211_crypto.h>
++#include <net80211/ieee80211_ioctl.h>
++
++#include <net/if_arp.h>
++#include <wireless.h>
++
++#include <netinet/in.h>
++#include <netpacket/packet.h>
++
++#include "hostapd.h"
++#include "driver.h"
++#include "ieee802_1x.h"
++#include "eloop.h"
++#include "priv_netlink.h"
++#include "sta_info.h"
++#include "l2_packet.h"
++#include "hostap_common.h"
++
++#include "eapol_sm.h"
++#include "wpa.h"
++#include "radius.h"
++#include "ieee802_11.h"
++#include "accounting.h"
++#include "common.h"
++
++
++struct madwifi_driver_data {
++ struct driver_ops ops; /* base class */
++ 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 */
++ int wext_sock; /* socket for wireless events */
++ int we_version;
++ u8 acct_mac[ETH_ALEN];
++ struct hostap_sta_driver_data acct_data;
++};
++
++static const struct driver_ops madwifi_driver_ops;
++
++static int madwifi_sta_deauth(void *priv, u8 *addr, int reason_code);
++
++static int
++set80211priv(struct madwifi_driver_data *drv, int op, void *data, int len)
++{
++#define N(a) (sizeof(a)/sizeof(a[0]))
++ struct iwreq iwr;
++
++ memset(&iwr, 0, sizeof(iwr));
++ strncpy(iwr.ifr_name, drv->iface, IFNAMSIZ);
++ if (len < IFNAMSIZ) {
++ /*
++ * 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) {
++ 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]",
++ };
++ op -= SIOCIWFIRSTPRIV;
++ if (0 <= op && op < N(opnames))
++ perror(opnames[op]);
++ else
++ perror("ioctl[unknown???]");
++ return -1;
++ }
++ return 0;
++#undef N
++}
++
++static int
++set80211param(struct madwifi_driver_data *drv, int op, int arg)
++{
++ struct iwreq iwr;
++
++ memset(&iwr, 0, sizeof(iwr));
++ strncpy(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]");
++ return -1;
++ }
++ return 0;
++}
++
++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;
++}
++
++/*
++ * Configure WPA parameters.
++ */
++static int
++madwifi_configure_wpa(struct madwifi_driver_data *drv)
++{
++ hostapd *hapd = drv->hapd;
++ struct hostapd_config *conf = hapd->conf;
++ int v;
++
++ switch (conf->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:
++ printf("Unknown group key cipher %u\n",
++ conf->wpa_group);
++ return -1;
++ }
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: group key cipher=%d\n", __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 = (conf->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 (conf->wpa_pairwise & WPA_CIPHER_CCMP)
++ v |= 1<<IEEE80211_CIPHER_AES_CCM;
++ if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
++ v |= 1<<IEEE80211_CIPHER_TKIP;
++ if (conf->wpa_pairwise & WPA_CIPHER_NONE)
++ v |= 1<<IEEE80211_CIPHER_NONE;
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: pairwise key ciphers=0x%x\n", __func__, v);
++ if (set80211param(drv, IEEE80211_PARAM_UCASTCIPHERS, v)) {
++ printf("Unable to set pairwise key ciphers to 0x%x\n", v);
++ return -1;
++ }
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: key management algorithms=0x%x\n",
++ __func__, conf->wpa_key_mgmt);
++ if (set80211param(drv, IEEE80211_PARAM_KEYMGTALGS, conf->wpa_key_mgmt)) {
++ printf("Unable to set key management algorithms to 0x%x\n",
++ conf->wpa_key_mgmt);
++ return -1;
++ }
++
++ v = 0;
++ if (conf->rsn_preauth)
++ v |= BIT(0);
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: rsn capabilities=0x%x\n", __func__, conf->rsn_preauth);
++ if (set80211param(drv, IEEE80211_PARAM_RSNCAPS, v)) {
++ printf("Unable to set RSN capabilities to 0x%x\n", v);
++ return -1;
++ }
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: enable WPA= 0x%x\n", __func__, conf->wpa);
++ if (set80211param(drv, IEEE80211_PARAM_WPA, conf->wpa)) {
++ printf("Unable to set WPA to %u\n", conf->wpa);
++ return -1;
++ }
++ return 0;
++}
++
++
++static int
++madwifi_set_iface_flags(void *priv, int dev_up)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ifreq ifr;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++ "%s: dev_up=%d\n", __func__, dev_up);
++
++ if (drv->ioctl_sock < 0)
++ return -1;
++
++ memset(&ifr, 0, sizeof(ifr));
++ snprintf(ifr.ifr_name, IFNAMSIZ, "%s", drv->iface);
++
++ if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
++ perror("ioctl[SIOCGIFFLAGS]");
++ return -1;
++ }
++
++ if (dev_up)
++ ifr.ifr_flags |= IFF_UP;
++ else
++ ifr.ifr_flags &= ~IFF_UP;
++
++ if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
++ perror("ioctl[SIOCSIFFLAGS]");
++ return -1;
++ }
++
++ if (dev_up) {
++ memset(&ifr, 0, sizeof(ifr));
++ snprintf(ifr.ifr_name, IFNAMSIZ, "%s", drv->iface);
++ ifr.ifr_mtu = HOSTAPD_MTU;
++ if (ioctl(drv->ioctl_sock, SIOCSIFMTU, &ifr) != 0) {
++ perror("ioctl[SIOCSIFMTU]");
++ printf("Setting MTU failed - trying to survive with "
++ "current value\n");
++ }
++ }
++
++ return 0;
++}
++
++static int
++madwifi_set_ieee8021x(void *priv, int enabled)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct hostapd_config *conf = hapd->conf;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++ "%s: enabled=%d\n", __func__, enabled);
++
++ if (!enabled) {
++ /* XXX restore state */
++ return set80211param(priv, IEEE80211_PARAM_AUTHMODE,
++ IEEE80211_AUTH_AUTO);
++ }
++ if (!conf->wpa && !conf->ieee802_1x) {
++ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++ HOSTAPD_LEVEL_WARNING, "No 802.1X or WPA enabled!");
++ return -1;
++ }
++ if (conf->wpa && madwifi_configure_wpa(drv) != 0) {
++ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++ HOSTAPD_LEVEL_WARNING, "Error configuring WPA state!");
++ return -1;
++ }
++ if (set80211param(priv, IEEE80211_PARAM_AUTHMODE,
++ (conf->wpa ? IEEE80211_AUTH_WPA : IEEE80211_AUTH_8021X))) {
++ hostapd_logger(hapd, NULL, HOSTAPD_MODULE_DRIVER,
++ HOSTAPD_LEVEL_WARNING, "Error enabling WPA/802.1X!");
++ return -1;
++ }
++ return madwifi_set_iface_flags(priv, 1);
++}
++
++static int
++madwifi_set_privacy(void *priv, int enabled)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: enabled=%d\n", __func__, enabled);
++
++ return set80211param(priv, IEEE80211_PARAM_PRIVACY, enabled);
++}
++
++static int
++madwifi_set_sta_authorized(void *priv, u8 *addr, int authorized)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_mlme mlme;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE,
++ "%s: addr=%s authorized=%d\n",
++ __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);
++ return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme,
++ sizeof(mlme));
++}
++
++static int
++madwifi_del_key(void *priv, unsigned char *addr, int key_idx)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_del_key wk;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: addr=%s key_idx=%d\n",
++ __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;
++ }
++
++ return set80211priv(priv, IEEE80211_IOCTL_DELKEY, &wk, sizeof(wk));
++}
++
++static int
++madwifi_set_key(void *priv, const char *alg,
++ unsigned char *addr, int key_idx,
++ u8 *key, size_t key_len)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_key wk;
++ u_int8_t cipher;
++
++ if (strcmp(alg, "none") == 0)
++ return madwifi_del_key(priv, addr, key_idx);
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: alg=%s addr=%s key_idx=%d\n",
++ __func__, alg, ether_sprintf(addr), key_idx);
++
++ if (strcmp(alg, "WEP") == 0)
++ cipher = IEEE80211_CIPHER_WEP;
++ else if (strcmp(alg, "TKIP") == 0)
++ cipher = IEEE80211_CIPHER_TKIP;
++ else if (strcmp(alg, "CCMP") == 0)
++ cipher = IEEE80211_CIPHER_AES_CCM;
++ else {
++ printf("%s: unknown/unsupported algorithm %s\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);
++
++ return set80211priv(priv, IEEE80211_IOCTL_SETKEY, &wk, sizeof(wk));
++}
++
++
++static int
++madwifi_get_seqnum(void *priv, u8 *addr, int idx, u8 *seq)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_key wk;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: addr=%s idx=%d\n", __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(priv, IEEE80211_IOCTL_GETKEY, &wk, sizeof(wk))) {
++ printf("Failed to get encryption.\n");
++ 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, 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,
++ 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, IEEE80211_IOCTL_GETSTASTATS, &stats,
++ sizeof(stats))) {
++ 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, u8 *addr)
++{
++#ifdef MADWIFI_BSD
++ struct madwifi_driver_data *drv = priv;
++ struct hostapd_data *hapd = drv->hapd;
++ struct ieee80211req_mlme mlme;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "%s: addr=%s\n",
++ __func__, ether_sprintf(addr));
++
++ mlme.im_op = IEEE80211_MLME_CLEAR_STATS;
++ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++ return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme,
++ sizeof(mlme));
++#else /* MADWIFI_BSD */
++ return 0; /* FIX */
++#endif /* MADWIFI_BSD */
++}
++
++
++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, u8 *addr, int reason_code)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_mlme mlme;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: addr=%s reason_code=%d\n",
++ __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);
++ return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
++}
++
++static int
++madwifi_sta_disassoc(void *priv, u8 *addr, int reason_code)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ struct ieee80211req_mlme mlme;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "%s: addr=%s reason_code=%d\n",
++ __func__, ether_sprintf(addr), reason_code);
++
++ mlme.im_reason = reason_code;
++ memcpy(mlme.im_macaddr, addr, IEEE80211_ADDR_LEN);
++ return set80211priv(priv, IEEE80211_IOCTL_SETMLME, &mlme, sizeof(mlme));
++}
++
++static int
++madwifi_del_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
++{
++ struct hostapd_data *hapd = drv->hapd;
++ struct sta_info *sta;
++
++ hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
++ HOSTAPD_LEVEL_INFO, "deassociated");
++
++ sta = ap_get_sta(hapd, addr);
++ if (sta != NULL) {
++ sta->flags &= ~WLAN_STA_ASSOC;
++ wpa_sm_event(hapd, sta, WPA_DISASSOC);
++ sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
++ ieee802_1x_set_port_enabled(hapd, sta, 0);
++ ap_free_sta(hapd, sta);
++ }
++ return 0;
++}
++
++static int
++madwifi_process_wpa_ie(struct madwifi_driver_data *drv, struct sta_info *sta)
++{
++ struct hostapd_data *hapd = drv->hapd;
++ struct ieee80211req_wpaie ie;
++ int ielen, res;
++
++ /*
++ * Fetch negotiated WPA/RSN parameters from the system.
++ */
++ memset(&ie, 0, sizeof(ie));
++ memcpy(ie.wpa_macaddr, sta->addr, IEEE80211_ADDR_LEN);
++ if (set80211priv(drv, IEEE80211_IOCTL_GETWPAIE, &ie, sizeof(ie))) {
++ printf("Failed to get WPA/RSN information element.\n");
++ return -1; /* XXX not right */
++ }
++ ielen = ie.wpa_ie[1];
++ if (ielen == 0) {
++ printf("No WPA/RSN information element for station!?\n");
++ return -1; /* XXX not right */
++ }
++ ielen += 2;
++ res = wpa_validate_wpa_ie(hapd, sta, ie.wpa_ie, ielen,
++ ie.wpa_ie[0] == WLAN_EID_RSN ?
++ HOSTAPD_WPA_VERSION_WPA2 : HOSTAPD_WPA_VERSION_WPA);
++ if (res != WPA_IE_OK) {
++ printf("WPA/RSN information element rejected? (res %u)\n", res);
++ return -1;
++ }
++ free(sta->wpa_ie);
++ sta->wpa_ie = malloc(ielen);
++ if (sta->wpa_ie == NULL) {
++ printf("No memory to save WPA/RSN information element!\n");
++ return -1;
++ }
++ memcpy(sta->wpa_ie, ie.wpa_ie, ielen);
++ sta->wpa_ie_len = ielen;
++ return 0;
++}
++
++static int
++madwifi_new_sta(struct madwifi_driver_data *drv, u8 addr[IEEE80211_ADDR_LEN])
++{
++ struct hostapd_data *hapd = drv->hapd;
++ struct sta_info *sta;
++ int new_assoc;
++
++ hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
++ HOSTAPD_LEVEL_INFO, "associated");
++
++ sta = ap_get_sta(hapd, addr);
++ if (sta) {
++ accounting_sta_stop(hapd, sta);
++ } else {
++ sta = ap_sta_add(hapd, addr);
++ if (sta == NULL)
++ return -1;
++ }
++
++ 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));
++ }
++ accounting_sta_get_id(hapd, sta);
++
++ if (hapd->conf->wpa) {
++ if (madwifi_process_wpa_ie(drv, sta))
++ return -1;
++ } else {
++ free(sta->wpa_ie);
++ sta->wpa_ie = NULL;
++ sta->wpa_ie_len = 0;
++ }
++
++ /*
++ * Now that the internal station state is setup
++ * kick the authenticator into action.
++ */
++ new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
++ sta->flags |= WLAN_STA_ASSOC;
++ wpa_sm_event(hapd, sta, WPA_ASSOC);
++ hostapd_new_assoc_sta(hapd, sta, !new_assoc);
++ ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
++ return 0;
++}
++
++static void
++madwifi_wireless_event_wireless_custom(struct madwifi_driver_data *drv,
++ char *custom)
++{
++ struct hostapd_data *hapd = drv->hapd;
++
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "Custom wireless event: '%s'\n",
++ custom);
++
++ if (strncmp(custom, "MLME-MICHAELMICFAILURE.indication", 33) == 0) {
++ char *pos;
++ u8 addr[ETH_ALEN];
++ pos = strstr(custom, "addr=");
++ if (pos == NULL) {
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "MLME-MICHAELMICFAILURE.indication "
++ "without sender address ignored\n");
++ return;
++ }
++ pos += 5;
++ if (hwaddr_aton(pos, addr) == 0) {
++ ieee80211_michael_mic_failure(drv->hapd, addr, 1);
++ } else {
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "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 hostapd_data *hapd = drv->hapd;
++ 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);
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_VERBOSE, "Wireless event: "
++ "cmd=0x%x len=%d\n", 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:
++ madwifi_del_sta(drv, iwe->u.addr.sa_data);
++ break;
++ case IWEVREGISTERED:
++ madwifi_new_sta(drv, 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(struct madwifi_driver_data *drv,
++ struct nlmsghdr *h, int len)
++{
++ struct ifinfomsg *ifi;
++ int attrlen, nlmsg_len, rta_len;
++ struct rtattr * attr;
++
++ if (len < sizeof(*ifi))
++ return;
++
++ ifi = NLMSG_DATA(h);
++
++ if (ifi->ifi_index != drv->ifindex)
++ return;
++
++ nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
++
++ attrlen = h->nlmsg_len - nlmsg_len;
++ if (attrlen < 0)
++ return;
++
++ attr = (struct rtattr *) (((char *) ifi) + nlmsg_len);
++
++ 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 void
++madwifi_wireless_event_receive(int sock, void *eloop_ctx, void *sock_ctx)
++{
++ char buf[256];
++ int left;
++ struct sockaddr_nl from;
++ socklen_t fromlen;
++ struct nlmsghdr *h;
++ struct madwifi_driver_data *drv = eloop_ctx;
++
++ fromlen = sizeof(from);
++ left = recvfrom(sock, buf, sizeof(buf), MSG_DONTWAIT,
++ (struct sockaddr *) &from, &fromlen);
++ if (left < 0) {
++ if (errno != EINTR && errno != EAGAIN)
++ perror("recvfrom(netlink)");
++ return;
++ }
++
++ h = (struct nlmsghdr *) buf;
++ while (left >= sizeof(*h)) {
++ int len, plen;
++
++ len = h->nlmsg_len;
++ plen = len - sizeof(*h);
++ if (len > left || plen < 0) {
++ printf("Malformed netlink message: "
++ "len=%d left=%d plen=%d\n",
++ len, left, plen);
++ break;
++ }
++
++ switch (h->nlmsg_type) {
++ case RTM_NEWLINK:
++ madwifi_wireless_event_rtm_newlink(drv, h, plen);
++ break;
++ }
++
++ len = NLMSG_ALIGN(len);
++ left -= len;
++ h = (struct nlmsghdr *) ((char *) h + len);
++ }
++
++ if (left > 0) {
++ printf("%d extra bytes in the end of netlink message\n", left);
++ }
++}
++
++
++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 = malloc(buflen);
++ if (range == NULL)
++ return -1;
++ memset(range, 0, buflen);
++
++ memset(&iwr, 0, sizeof(iwr));
++ strncpy(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(void *priv)
++{
++ struct madwifi_driver_data *drv = priv;
++ int s;
++ struct sockaddr_nl local;
++
++ madwifi_get_we_version(drv);
++
++ drv->wext_sock = -1;
++
++ s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
++ if (s < 0) {
++ perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
++ return -1;
++ }
++
++ memset(&local, 0, sizeof(local));
++ local.nl_family = AF_NETLINK;
++ local.nl_groups = RTMGRP_LINK;
++ if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
++ perror("bind(netlink)");
++ close(s);
++ return -1;
++ }
++
++ eloop_register_read_sock(s, madwifi_wireless_event_receive, drv, NULL);
++ drv->wext_sock = s;
++
++ return 0;
++}
++
++
++static void
++madwifi_wireless_event_deinit(void *priv)
++{
++ struct madwifi_driver_data *drv = priv;
++
++ if (drv != NULL) {
++ if (drv->wext_sock < 0)
++ return;
++ eloop_unregister_read_sock(drv->wext_sock);
++ close(drv->wext_sock);
++ }
++}
++
++
++static int
++madwifi_send_eapol(void *priv, u8 *addr, u8 *data, size_t data_len, int encrypt)
++{
++ struct madwifi_driver_data *drv = priv;
++ hostapd *hapd = drv->hapd;
++ unsigned char buf[3000];
++ unsigned char *bp = buf;
++ struct l2_ethhdr *eth;
++ size_t len;
++ int status;
++
++ /*
++ * Prepend the Etherent 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, drv->hapd->own_addr, ETH_ALEN);
++ eth->h_proto = htons(ETH_P_EAPOL);
++ memcpy(eth+1, data, data_len);
++
++ if (HOSTAPD_DEBUG_COND(HOSTAPD_DEBUG_MSGDUMPS))
++ hostapd_hexdump("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;
++ hostapd *hapd = drv->hapd;
++ struct sta_info *sta;
++
++ sta = ap_get_sta(hapd, src_addr);
++ if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
++ printf("Data frame from not associated STA %s\n",
++ ether_sprintf(src_addr));
++ /* XXX cannot happen */
++ return;
++ }
++ ieee802_1x_receive(hapd, src_addr, buf + sizeof(struct l2_ethhdr),
++ len - sizeof(struct l2_ethhdr));
++}
++
++static int
++madwifi_init(struct hostapd_data *hapd)
++{
++ struct madwifi_driver_data *drv;
++ struct ifreq ifr;
++ struct iwreq iwr;
++
++ drv = malloc(sizeof(struct madwifi_driver_data));
++ if (drv == NULL) {
++ printf("Could not allocate memory for madwifi driver data\n");
++ goto bad;
++ }
++
++ memset(drv, 0, sizeof(*drv));
++ drv->ops = madwifi_driver_ops;
++ 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, hapd->conf->iface, sizeof(drv->iface));
++
++ memset(&ifr, 0, sizeof(ifr));
++ snprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "%s", drv->iface);
++ 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, hapd->own_addr))
++ goto bad;
++ if (hapd->conf->bridge[0] != '\0') {
++ HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
++ "Configure bridge %s for EAPOL traffic.\n",
++ hapd->conf->bridge);
++ drv->sock_recv = l2_packet_init(hapd->conf->bridge, NULL,
++ ETH_P_EAPOL, handle_read, drv,
++ 0);
++ if (drv->sock_recv == NULL)
++ goto bad;
++ } else
++ drv->sock_recv = drv->sock_xmit;
++
++ memset(&iwr, 0, sizeof(iwr));
++ strncpy(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;
++ }
++
++ madwifi_set_iface_flags(drv, 0); /* mark down during setup */
++
++ hapd->driver = &drv->ops;
++ return 0;
++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 -1;
++}
++
++
++static void
++madwifi_deinit(void *priv)
++{
++ struct madwifi_driver_data *drv = priv;
++
++ drv->hapd->driver = NULL;
++
++ (void) madwifi_set_iface_flags(drv, 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);
++ free(drv);
++}
++
++static int
++madwifi_set_ssid(void *priv, u8 *buf, int len)
++{
++ struct madwifi_driver_data *drv = priv;
++ struct iwreq iwr;
++
++ memset(&iwr, 0, sizeof(iwr));
++ strncpy(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));
++ strncpy(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 const struct driver_ops madwifi_driver_ops = {
++ .name = "madwifi",
++ .init = madwifi_init,
++ .deinit = madwifi_deinit,
++ .set_ieee8021x = madwifi_set_ieee8021x,
++ .set_privacy = madwifi_set_privacy,
++ .set_encryption = madwifi_set_key,
++ .get_seqnum = madwifi_get_seqnum,
++ .flush = madwifi_flush,
++ .set_generic_elem = madwifi_set_opt_ie,
++ .wireless_event_init = madwifi_wireless_event_init,
++ .wireless_event_deinit = madwifi_wireless_event_deinit,
++ .set_sta_authorized = madwifi_set_sta_authorized,
++ .read_sta_data = madwifi_read_sta_driver_data,
++ .send_eapol = madwifi_send_eapol,
++ .sta_disassoc = madwifi_sta_disassoc,
++ .sta_deauth = madwifi_sta_deauth,
++ .set_ssid = madwifi_set_ssid,
++ .get_ssid = madwifi_get_ssid,
++ .sta_clear_stats = madwifi_sta_clear_stats,
++};
++
++void madwifi_driver_register(void)
++{
++ driver_register(madwifi_driver_ops.name, &madwifi_driver_ops);
++}
projects / openwrt.git / commitdiff