/*
* Driver interaction with Linux nl80211/cfg80211
- * Copyright (c) 2003-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2002-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2003-2004, Instant802 Networks, Inc.
+ * Copyright (c) 2005-2006, Devicescape Software, Inc.
+ * Copyright (c) 2007, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright (c) 2009, Atheros Communications
*
* 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
#include "includes.h"
#include <sys/ioctl.h>
#include <net/if_arp.h>
+#include <net/if.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include "nl80211_copy.h"
+#ifndef NO_WEXT
#include "wireless_copy.h"
+#endif /* NO_WEXT */
#include "common.h"
#include "driver.h"
#endif /* CONFIG_AP */
#ifdef HOSTAPD
-#include <netlink/msg.h>
-#include <netlink/attr.h>
-#include <net/if.h>
-#include <net/if_arp.h>
-
#include "../../hostapd/hostapd.h"
-#include "../../hostapd/config.h"
-#include "../../hostapd/hw_features.h"
-#include "../../hostapd/mlme.h"
#include "../../hostapd/sta_flags.h"
#include "ieee802_11_common.h"
#define IF_OPER_UP 6
#endif
+enum ieee80211_msg_type {
+ ieee80211_msg_normal = 0,
+ ieee80211_msg_tx_callback_ack = 1,
+ ieee80211_msg_tx_callback_fail = 2,
+};
+
struct i802_bss {
struct i802_bss *next;
- char ifname[IFNAMSIZ + 1];
+ int ifindex;
unsigned int beacon_set:1;
};
int associated;
u8 ssid[32];
size_t ssid_len;
+ int nlmode;
+ int ap_scan_as_station;
-#ifdef CONFIG_AP
int beacon_int;
- unsigned int beacon_set:1;
int monitor_sock;
int monitor_ifidx;
+
+#ifdef CONFIG_AP
+ unsigned int beacon_set:1;
#endif /* CONFIG_AP */
#ifdef HOSTAPD
struct hostapd_data *hapd;
- int wext_sock; /* socket for wireless events */
int eapol_sock; /* socket for EAPOL frames */
- int monitor_sock; /* socket for monitor */
- int monitor_ifidx;
int default_if_indices[16];
int *if_indices;
int num_if_indices;
- int we_version;
- int beacon_int;
struct i802_bss bss;
- unsigned int ht_40mhz_scan:1;
int last_freq;
int last_freq_ht;
- struct hostapd_neighbor_bss *neighbors;
- size_t num_neighbors;
#endif /* HOSTAPD */
};
static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx,
void *timeout_ctx);
-static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
- int mode);
+static int wpa_driver_nl80211_set_mode(void *priv, int mode);
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv);
int ifidx);
#endif /* CONFIG_AP */
-
#ifdef HOSTAPD
-#define wpa_supplicant_event(c, e, d) do { } while (0)
+static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static struct i802_bss * get_bss(struct wpa_driver_nl80211_data *drv,
+ int ifindex);
+static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
+ int ifidx);
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
+static int i802_del_beacon(struct wpa_driver_nl80211_data *drv);
#endif /* HOSTAPD */
+
/* nl80211 code */
static int ack_handler(struct nl_msg *msg, void *arg)
{
return NL_SKIP;
}
+
+static int no_seq_check(struct nl_msg *msg, void *arg)
+{
+ return NL_OK;
+}
+
+
static int send_and_recv_msgs(struct wpa_driver_nl80211_data *drv,
struct nl_msg *msg,
int (*valid_handler)(struct nl_msg *, void *),
}
+#ifdef HOSTAPD
+static int get_ifhwaddr(struct wpa_driver_nl80211_data *drv,
+ const char *ifname, u8 *addr)
+{
+ struct ifreq ifr;
+
+ os_memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ if (ioctl(drv->ioctl_sock, SIOCGIFHWADDR, &ifr)) {
+ wpa_printf(MSG_ERROR, "%s: ioctl(SIOCGIFHWADDR): %d (%s)",
+ ifname, errno, strerror(errno));
+ return -1;
+ }
+
+ if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
+ wpa_printf(MSG_ERROR, "%s: Invalid HW-addr family 0x%04x",
+ ifname, ifr.ifr_hwaddr.sa_family);
+ return -1;
+ }
+ os_memcpy(addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+ return 0;
+}
+
+
+static int set_ifhwaddr(struct wpa_driver_nl80211_data *drv,
+ const char *ifname, const u8 *addr)
+{
+ struct ifreq ifr;
+
+ os_memset(&ifr, 0, sizeof(ifr));
+ os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+ os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+ ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifr)) {
+ wpa_printf(MSG_DEBUG, "%s: ioctl(SIOCSIFHWADDR): %d (%s)",
+ ifname, errno, strerror(errno));
+ return -1;
+ }
+
+ return 0;
+}
+#endif /* HOSTAPD */
+
+
static int wpa_driver_nl80211_send_oper_ifla(
struct wpa_driver_nl80211_data *drv,
int linkmode, int operstate)
RTA_LENGTH(sizeof(char));
}
- wpa_printf(MSG_DEBUG, "WEXT: Operstate: linkmode=%d, operstate=%d",
+ wpa_printf(MSG_DEBUG, "nl80211: Operstate: linkmode=%d, operstate=%d",
linkmode, operstate);
ret = send(drv->link_event_sock, &req, req.hdr.nlmsg_len, 0);
if (ret < 0) {
- wpa_printf(MSG_DEBUG, "WEXT: Sending operstate IFLA failed: "
- "%s (assume operstate is not supported)",
+ wpa_printf(MSG_DEBUG, "nl80211: Sending operstate IFLA failed:"
+ " %s (assume operstate is not supported)",
strerror(errno));
}
}
+#ifndef NO_WEXT
static int wpa_driver_nl80211_set_auth_param(
struct wpa_driver_nl80211_data *drv, int idx, u32 value)
{
return ret;
}
+#endif /* NO_WEXT */
static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
}
+#ifndef HOSTAPD
static void wpa_driver_nl80211_event_link(struct wpa_driver_nl80211_data *drv,
void *ctx, char *buf, size_t len,
int del)
}
-static int no_seq_check(struct nl_msg *msg, void *arg)
-{
- return NL_OK;
-}
-
-
static void mlme_event_auth(struct wpa_driver_nl80211_data *drv,
const u8 *frame, size_t len)
{
}
}
+#endif /* HOSTAPD */
+
+
+static void mlme_event_michael_mic_failure(struct wpa_driver_nl80211_data *drv,
+ struct nlattr *tb[])
+{
+ union wpa_event_data data;
+
+ wpa_printf(MSG_DEBUG, "nl80211: MLME event Michael MIC failure");
+ os_memset(&data, 0, sizeof(data));
+ if (tb[NL80211_ATTR_MAC]) {
+ wpa_hexdump(MSG_DEBUG, "nl80211: Source MAC address",
+ nla_data(tb[NL80211_ATTR_MAC]),
+ nla_len(tb[NL80211_ATTR_MAC]));
+ data.michael_mic_failure.src = nla_data(tb[NL80211_ATTR_MAC]);
+ }
+ if (tb[NL80211_ATTR_KEY_SEQ]) {
+ wpa_hexdump(MSG_DEBUG, "nl80211: TSC",
+ nla_data(tb[NL80211_ATTR_KEY_SEQ]),
+ nla_len(tb[NL80211_ATTR_KEY_SEQ]));
+ }
+ if (tb[NL80211_ATTR_KEY_TYPE]) {
+ enum nl80211_key_type key_type =
+ nla_get_u32(tb[NL80211_ATTR_KEY_TYPE]);
+ wpa_printf(MSG_DEBUG, "nl80211: Key Type %d", key_type);
+ if (key_type == NL80211_KEYTYPE_PAIRWISE)
+ data.michael_mic_failure.unicast = 1;
+ } else
+ data.michael_mic_failure.unicast = 1;
+
+ if (tb[NL80211_ATTR_KEY_IDX]) {
+ u8 key_id = nla_get_u8(tb[NL80211_ATTR_KEY_IDX]);
+ wpa_printf(MSG_DEBUG, "nl80211: Key Id %d", key_id);
+ }
+
+ wpa_supplicant_event(drv->ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+}
+
static int process_event(struct nl_msg *msg, void *arg)
{
}
}
+ if (drv->ap_scan_as_station &&
+ (gnlh->cmd == NL80211_CMD_NEW_SCAN_RESULTS ||
+ gnlh->cmd == NL80211_CMD_SCAN_ABORTED)) {
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP);
+ drv->ap_scan_as_station = 0;
+ }
+
switch (gnlh->cmd) {
case NL80211_CMD_NEW_SCAN_RESULTS:
wpa_printf(MSG_DEBUG, "nl80211: New scan results available");
drv->ctx);
wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, NULL);
break;
+#ifndef HOSTAPD
case NL80211_CMD_AUTHENTICATE:
case NL80211_CMD_ASSOCIATE:
case NL80211_CMD_DEAUTHENTICATE:
case NL80211_CMD_DISASSOCIATE:
mlme_event(drv, gnlh->cmd, tb[NL80211_ATTR_FRAME]);
break;
+#endif /* HOSTAPD */
+ case NL80211_CMD_MICHAEL_MIC_FAILURE:
+ mlme_event_michael_mic_failure(drv, tb);
+ break;
default:
wpa_printf(MSG_DEBUG, "nl80211: Ignored unknown event "
"(cmd=%d)", gnlh->cmd);
}
-static int wpa_driver_nl80211_get_ifflags_ifname(struct wpa_driver_nl80211_data *drv,
- const char *ifname, int *flags)
+static int hostapd_set_iface_flags(struct wpa_driver_nl80211_data *drv,
+ const char *ifname, int dev_up)
{
struct ifreq ifr;
+ if (drv->ioctl_sock < 0)
+ return -1;
+
os_memset(&ifr, 0, sizeof(ifr));
os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
- if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
+
+ if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
perror("ioctl[SIOCGIFFLAGS]");
+ wpa_printf(MSG_DEBUG, "Could not read interface flags (%s)",
+ ifname);
return -1;
}
- *flags = ifr.ifr_flags & 0xffff;
- return 0;
-}
-
-
-/**
- * wpa_driver_nl80211_get_ifflags - Get interface flags (SIOCGIFFLAGS)
- * @drv: driver_nl80211 private data
- * @flags: Pointer to returned flags value
- * Returns: 0 on success, -1 on failure
- */
-static int wpa_driver_nl80211_get_ifflags(struct wpa_driver_nl80211_data *drv,
- int *flags)
-{
- return wpa_driver_nl80211_get_ifflags_ifname(drv, drv->ifname, flags);
-}
+ if (dev_up) {
+ if (ifr.ifr_flags & IFF_UP)
+ return 0;
+ ifr.ifr_flags |= IFF_UP;
+ } else {
+ if (!(ifr.ifr_flags & IFF_UP))
+ return 0;
+ ifr.ifr_flags &= ~IFF_UP;
+ }
-static int wpa_driver_nl80211_set_ifflags_ifname(
- struct wpa_driver_nl80211_data *drv,
- const char *ifname, int flags)
-{
- struct ifreq ifr;
-
- os_memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
- ifr.ifr_flags = flags & 0xffff;
- if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
- perror("SIOCSIFFLAGS");
+ if (ioctl(drv->ioctl_sock, SIOCSIFFLAGS, &ifr) != 0) {
+ perror("ioctl[SIOCSIFFLAGS]");
return -1;
}
- return 0;
-}
-
-/**
- * wpa_driver_nl80211_set_ifflags - Set interface flags (SIOCSIFFLAGS)
- * @drv: driver_nl80211 private data
- * @flags: New value for flags
- * Returns: 0 on success, -1 on failure
- */
-static int wpa_driver_nl80211_set_ifflags(struct wpa_driver_nl80211_data *drv,
- int flags)
-{
- return wpa_driver_nl80211_set_ifflags_ifname(drv, drv->ifname, flags);
+ return 0;
}
msg = nlmsg_alloc();
if (!msg)
- goto nla_put_failure;
+ return -ENOMEM;
alpha2[0] = alpha2_arg[0];
alpha2[1] = alpha2_arg[1];
}
+#ifndef HOSTAPD
struct wiphy_info_data {
int max_scan_ssids;
int ap_supported;
if (info.ap_supported)
drv->capa.flags |= WPA_DRIVER_FLAGS_AP;
}
+#endif /* HOSTAPD */
-/**
- * wpa_driver_nl80211_init - Initialize nl80211 driver interface
- * @ctx: context to be used when calling wpa_supplicant functions,
- * e.g., wpa_supplicant_event()
- * @ifname: interface name, e.g., wlan0
- * Returns: Pointer to private data, %NULL on failure
- */
-static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+static int wpa_driver_nl80211_init_nl(struct wpa_driver_nl80211_data *drv,
+ void *ctx)
{
- int s, ret;
- struct sockaddr_nl local;
- struct wpa_driver_nl80211_data *drv;
+ int ret;
- drv = os_zalloc(sizeof(*drv));
- if (drv == NULL)
- return NULL;
- drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
-#ifdef CONFIG_AP
- drv->monitor_ifidx = -1;
- drv->monitor_sock = -1;
-#endif /* CONFIG_AP */
+ /* Initialize generic netlink and nl80211 */
drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
if (drv->nl_cb == NULL) {
goto err3;
}
+#ifdef CONFIG_LIBNL20
+ if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
+ "netlink cache");
+ goto err3;
+ }
+#else /* CONFIG_LIBNL20 */
drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
if (drv->nl_cache == NULL) {
wpa_printf(MSG_ERROR, "nl80211: Failed to allocate generic "
"netlink cache");
goto err3;
}
+#endif /* CONFIG_LIBNL20 */
+
drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
if (drv->nl80211 == NULL) {
ret, strerror(-ret));
goto err4;
}
- drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
eloop_register_read_sock(nl_socket_get_fd(drv->nl_handle),
wpa_driver_nl80211_event_receive, drv, ctx);
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket(PF_INET,SOCK_DGRAM)");
- goto err5;
- }
+ return 0;
+
+err4:
+ nl_cache_free(drv->nl_cache);
+err3:
+ nl_handle_destroy(drv->nl_handle);
+err2:
+ nl_cb_put(drv->nl_cb);
+err1:
+ return -1;
+}
+
+
+static int wpa_driver_nl80211_init_link_events(
+ struct wpa_driver_nl80211_data *drv)
+{
+#ifdef HOSTAPD
+ return 0;
+#else /* HOSTAPD */
+ int s;
+ struct sockaddr_nl local;
s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
if (s < 0) {
perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
- goto err6;
+ return -1;
}
os_memset(&local, 0, sizeof(local));
if (bind(s, (struct sockaddr *) &local, sizeof(local)) < 0) {
perror("bind(netlink)");
close(s);
- goto err6;
+ return -1;
}
eloop_register_read_sock(s, wpa_driver_nl80211_event_receive_link, drv,
- ctx);
+ drv->ctx);
drv->link_event_sock = s;
- if (wpa_driver_nl80211_finish_drv_init(drv))
- goto err7;
+ return 0;
+#endif /* HOSTAPD */
+}
+
+
+/**
+ * wpa_driver_nl80211_init - Initialize nl80211 driver interface
+ * @ctx: context to be used when calling wpa_supplicant functions,
+ * e.g., wpa_supplicant_event()
+ * @ifname: interface name, e.g., wlan0
+ * Returns: Pointer to private data, %NULL on failure
+ */
+static void * wpa_driver_nl80211_init(void *ctx, const char *ifname)
+{
+ struct wpa_driver_nl80211_data *drv;
+
+ drv = os_zalloc(sizeof(*drv));
+ if (drv == NULL)
+ return NULL;
+ drv->ctx = ctx;
+ os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+ drv->monitor_ifidx = -1;
+ drv->monitor_sock = -1;
+ drv->link_event_sock = -1;
+ drv->ioctl_sock = -1;
+
+ if (wpa_driver_nl80211_init_nl(drv, ctx)) {
+ os_free(drv);
+ return NULL;
+ }
+
+ drv->capa.flags |= WPA_DRIVER_FLAGS_SME;
+
+ drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
+ if (drv->ioctl_sock < 0) {
+ perror("socket(PF_INET,SOCK_DGRAM)");
+ goto failed;
+ }
+
+ if (wpa_driver_nl80211_init_link_events(drv) ||
+ wpa_driver_nl80211_finish_drv_init(drv))
+ goto failed;
return drv;
-err7:
- eloop_unregister_read_sock(drv->link_event_sock);
- close(drv->link_event_sock);
-err6:
- close(drv->ioctl_sock);
-err5:
+failed:
+ if (drv->link_event_sock >= 0) {
+ eloop_unregister_read_sock(drv->link_event_sock);
+ close(drv->link_event_sock);
+ }
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
+
genl_family_put(drv->nl80211);
-err4:
nl_cache_free(drv->nl_cache);
-err3:
nl_handle_destroy(drv->nl_handle);
-err2:
nl_cb_put(drv->nl_cb);
-err1:
+
os_free(drv);
return NULL;
}
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
{
- int flags;
-
drv->ifindex = if_nametoindex(drv->ifname);
- if (wpa_driver_nl80211_set_mode(drv, 0) < 0) {
+#ifndef HOSTAPD
+ if (wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA) < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to "
"use managed mode");
}
- if (wpa_driver_nl80211_get_ifflags(drv, &flags) != 0) {
- wpa_printf(MSG_ERROR, "Could not get interface '%s' flags",
- drv->ifname);
+ if (hostapd_set_iface_flags(drv, drv->ifname, 1)) {
+ wpa_printf(MSG_ERROR, "Could not set interface '%s' "
+ "UP", drv->ifname);
return -1;
}
- if (!(flags & IFF_UP)) {
- if (wpa_driver_nl80211_set_ifflags(drv, flags | IFF_UP) != 0) {
- wpa_printf(MSG_ERROR, "Could not set interface '%s' "
- "UP", drv->ifname);
- return -1;
- }
- }
wpa_driver_nl80211_capa(drv);
wpa_driver_nl80211_send_oper_ifla(drv, 1, IF_OPER_DORMANT);
+#endif /* HOSTAPD */
return 0;
}
+#ifdef HOSTAPD
+static void wpa_driver_nl80211_free_bss(struct wpa_driver_nl80211_data *drv)
+{
+ struct i802_bss *bss, *prev;
+ bss = drv->bss.next;
+ while (bss) {
+ prev = bss;
+ bss = bss->next;
+ os_free(bss);
+ }
+}
+#endif /* HOSTAPD */
+
+
/**
* wpa_driver_nl80211_deinit - Deinitialize nl80211 driver interface
* @priv: Pointer to private nl80211 data from wpa_driver_nl80211_init()
static void wpa_driver_nl80211_deinit(void *priv)
{
struct wpa_driver_nl80211_data *drv = priv;
- int flags;
-#ifdef CONFIG_AP
+#if defined(CONFIG_AP) || defined(HOSTAPD)
if (drv->monitor_ifidx >= 0)
nl80211_remove_iface(drv, drv->monitor_ifidx);
if (drv->monitor_sock >= 0) {
eloop_unregister_read_sock(drv->monitor_sock);
close(drv->monitor_sock);
}
-#endif /* CONFIG_AP */
-
- eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
-
- wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED, 0);
+#endif /* CONFIG_AP || HOSTAPD */
- wpa_driver_nl80211_send_oper_ifla(priv, 0, IF_OPER_UP);
+#ifdef HOSTAPD
+ if (drv->last_freq_ht) {
+ /* Clear HT flags from the driver */
+ struct hostapd_freq_params freq;
+ os_memset(&freq, 0, sizeof(freq));
+ freq.freq = drv->last_freq;
+ i802_set_freq(priv, &freq);
+ }
+
+ i802_del_beacon(drv);
+
+ if (drv->eapol_sock >= 0) {
+ eloop_unregister_read_sock(drv->eapol_sock);
+ close(drv->eapol_sock);
+ }
+
+ if (drv->if_indices != drv->default_if_indices)
+ os_free(drv->if_indices);
+
+ wpa_driver_nl80211_free_bss(drv);
+#else /* HOSTAPD */
+#ifndef NO_WEXT
+ wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED, 0);
+#endif /* NO_WEXT */
+
+ wpa_driver_nl80211_send_oper_ifla(priv, 0, IF_OPER_UP);
+
+ if (drv->link_event_sock >= 0) {
+ eloop_unregister_read_sock(drv->link_event_sock);
+ close(drv->link_event_sock);
+ }
+#endif /* HOSTAPD */
- eloop_unregister_read_sock(drv->link_event_sock);
+ eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
- if (wpa_driver_nl80211_get_ifflags(drv, &flags) == 0)
- (void) wpa_driver_nl80211_set_ifflags(drv, flags & ~IFF_UP);
- wpa_driver_nl80211_set_mode(drv, 0);
+ (void) hostapd_set_iface_flags(drv, drv->ifname, 0);
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA);
- close(drv->link_event_sock);
- close(drv->ioctl_sock);
+ if (drv->ioctl_sock >= 0)
+ close(drv->ioctl_sock);
eloop_unregister_read_sock(nl_socket_get_fd(drv->nl_handle));
genl_family_put(drv->nl80211);
/**
* wpa_driver_nl80211_scan_timeout - Scan timeout to report scan completion
- * @eloop_ctx: Unused
+ * @eloop_ctx: Driver private data
* @timeout_ctx: ctx argument given to wpa_driver_nl80211_init()
*
* This function can be used as registered timeout when starting a scan to
*/
static void wpa_driver_nl80211_scan_timeout(void *eloop_ctx, void *timeout_ctx)
{
+ struct wpa_driver_nl80211_data *drv = eloop_ctx;
+ if (drv->ap_scan_as_station) {
+ wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP);
+ drv->ap_scan_as_station = 0;
+ }
wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
}
/**
* wpa_driver_nl80211_scan - Request the driver to initiate scan
- * @priv: Pointer to private wext data from wpa_driver_nl80211_init()
+ * @priv: Pointer to private driver data from wpa_driver_nl80211_init()
* @params: Scan parameters
* Returns: 0 on success, -1 on failure
*/
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Scan trigger failed: ret=%d "
"(%s)", ret, strerror(-ret));
+#ifdef HOSTAPD
+ if (drv->nlmode == NL80211_IFTYPE_AP) {
+ /*
+ * mac80211 does not allow scan requests in AP mode, so
+ * try to do this in station mode.
+ */
+ if (wpa_driver_nl80211_set_mode(drv,
+ IEEE80211_MODE_INFRA))
+ goto nla_put_failure;
+
+ if (wpa_driver_nl80211_scan(drv, params)) {
+ wpa_driver_nl80211_set_mode(drv,
+ IEEE80211_MODE_AP);
+ goto nla_put_failure;
+ }
+
+ /* Restore AP mode when processing scan results */
+ drv->ap_scan_as_station = 1;
+ ret = 0;
+ } else
+ goto nla_put_failure;
+#else /* HOSTAPD */
goto nla_put_failure;
+#endif /* HOSTAPD */
}
/* Not all drivers generate "scan completed" wireless event, so try to
}
-static int wpa_driver_nl80211_set_key(void *priv, 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)
+static int nl_set_encr(int ifindex, struct wpa_driver_nl80211_data *drv,
+ 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_nl80211_data *drv = priv;
- int err;
struct nl_msg *msg;
+ int ret;
- wpa_printf(MSG_DEBUG, "%s: alg=%d addr=%p key_idx=%d set_tx=%d "
- "seq_len=%lu key_len=%lu",
- __func__, alg, addr, key_idx, set_tx,
+ wpa_printf(MSG_DEBUG, "%s: ifindex=%d alg=%d addr=%p key_idx=%d "
+ "set_tx=%d seq_len=%lu key_len=%lu",
+ __func__, ifindex, alg, addr, key_idx, set_tx,
(unsigned long) seq_len, (unsigned long) key_len);
msg = nlmsg_alloc();
- if (msg == NULL)
- return -1;
+ if (!msg)
+ return -ENOMEM;
if (alg == WPA_ALG_NONE) {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_DEL_KEY, 0);
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_DEL_KEY, 0);
} else {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_NEW_KEY, 0);
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_NEW_KEY, 0);
NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
switch (alg) {
case WPA_ALG_WEP:
case WPA_ALG_CCMP:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC04);
break;
-#ifdef CONFIG_IEEE80211W
case WPA_ALG_IGTK:
NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC06);
break;
-#endif /* CONFIG_IEEE80211W */
default:
+ wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
+ "algorithm %d", __func__, alg);
nlmsg_free(msg);
return -1;
}
}
+ if (seq)
+ NLA_PUT(msg, NL80211_ATTR_KEY_SEQ, seq_len, seq);
+
if (addr && os_memcmp(addr, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
{
wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
}
NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
- err = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (err) {
- wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d", err);
- return -1;
- }
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret == -ENOENT && alg == WPA_ALG_NONE)
+ ret = 0;
+ if (ret)
+ wpa_printf(MSG_DEBUG, "nl80211: set_key failed; err=%d %s)",
+ ret, strerror(-ret));
- if (set_tx && alg != WPA_ALG_NONE) {
- msg = nlmsg_alloc();
- if (msg == NULL)
- return -1;
+ /*
+ * If we failed or don't need to set the default TX key (below),
+ * we're done here.
+ */
+ if (ret || !set_tx || alg == WPA_ALG_NONE)
+ return ret;
+#ifdef HOSTAPD /* FIX: is this needed? */
+ if (addr)
+ return ret;
+#endif /* HOSTAPD */
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_KEY, 0);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
- err = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (err) {
- wpa_printf(MSG_DEBUG, "nl80211: set default key "
- "failed; err=%d", err);
- return -1;
- }
- }
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_KEY, 0);
+ NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+ if (alg == WPA_ALG_IGTK)
+ NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
+ else
+ NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
- return 0;
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (ret == -ENOENT)
+ ret = 0;
+ if (ret)
+ wpa_printf(MSG_DEBUG, "nl80211: set_key default failed; "
+ "err=%d %s)", ret, strerror(-ret));
+ return ret;
nla_put_failure:
return -ENOBUFS;
}
+static int wpa_driver_nl80211_set_key(void *priv, 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_nl80211_data *drv = priv;
+ return nl_set_encr(drv->ifindex, drv, alg, addr, key_idx, set_tx, seq,
+ seq_len, key, key_len);
+}
+
+
static int wpa_driver_nl80211_mlme(struct wpa_driver_nl80211_data *drv,
const u8 *addr, int cmd, u16 reason_code)
{
return NULL;
}
-#endif /* CONFIG_AP || HOSTAPD */
-
-
-#ifdef CONFIG_AP
static int wpa_driver_nl80211_send_frame(struct wpa_driver_nl80211_data *drv,
const void *data, size_t len,
}
-static int wpa_driver_nl80211_set_beacon(void *priv,
- const u8 *head, size_t head_len,
- const u8 *tail, size_t tail_len,
- int dtim_period)
+static int wpa_driver_nl80211_set_beacon_iface(int ifindex, void *priv,
+ const u8 *head, size_t head_len,
+ const u8 *tail, size_t tail_len,
+ int dtim_period)
{
struct wpa_driver_nl80211_data *drv = priv;
struct nl_msg *msg;
u8 cmd = NL80211_CMD_NEW_BEACON;
int ret;
+ int beacon_set;
+#ifdef HOSTAPD
+ struct i802_bss *bss;
+
+ bss = get_bss(drv, ifindex);
+ if (bss == NULL)
+ return -ENOENT;
+ beacon_set = bss->beacon_set;
+#else /* HOSTAPD */
+ beacon_set = drv->beacon_set;
+#endif /* HOSTAPD */
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
wpa_printf(MSG_DEBUG, "nl80211: Set beacon (beacon_set=%d)",
- drv->beacon_set);
- if (drv->beacon_set)
+ beacon_set);
+ if (beacon_set)
cmd = NL80211_CMD_SET_BEACON;
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, cmd, 0);
NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
if (!drv->beacon_int)
drv->beacon_int = 100;
NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, drv->beacon_int);
if (ret) {
wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
ret, strerror(-ret));
- } else
+ } else {
+#ifdef HOSTAPD
+ bss->beacon_set = 1;
+#else /* HOSTAPD */
drv->beacon_set = 1;
+#endif /* HOSTAPD */
+ }
return ret;
nla_put_failure:
return -ENOBUFS;
drv->beacon_int = value;
+#ifdef HOSTAPD
+ if (!drv->bss.beacon_set)
+ return 0;
+#else /* HOSTAPD */
if (!drv->beacon_set)
return 0;
+#endif /* HOSTAPD */
msg = nlmsg_alloc();
if (!msg)
return -ENOMEM;
- wpa_printf(MSG_DEBUG, "nl80211: Set beacon interval %d "
- "(beacon_set=%d)", value, drv->beacon_set);
+ wpa_printf(MSG_DEBUG, "nl80211: Set beacon interval %d", value);
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, NL80211_CMD_SET_BEACON, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
}
-static int wpa_driver_nl80211_set_freq2(
- struct wpa_driver_nl80211_data *drv,
- struct wpa_driver_associate_params *params)
+static int wpa_driver_nl80211_set_freq(struct wpa_driver_nl80211_data *drv,
+ int freq, int ht_enabled,
+ int sec_channel_offset)
{
struct nl_msg *msg;
int ret;
NL80211_CMD_SET_WIPHY, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
-
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, params->freq);
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
+ if (ht_enabled) {
+ switch (sec_channel_offset) {
+ case -1:
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+ NL80211_CHAN_HT40MINUS);
+ break;
+ case 1:
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+ NL80211_CHAN_HT40PLUS);
+ break;
+ default:
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+ NL80211_CHAN_HT20);
+ break;
+ }
+ }
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
if (ret == 0)
return 0;
- wpa_printf(MSG_DEBUG, "nl80211: MLME Failed to set channel (freq=%d): "
- "%d (%s)", params->freq, ret, strerror(-ret));
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to set channel (freq=%d): "
+ "%d (%s)", freq, ret, strerror(-ret));
nla_put_failure:
return -1;
}
+#endif /* CONFIG_AP || HOSTAPD */
+
+
+#ifdef CONFIG_AP
+
+static int wpa_driver_nl80211_set_beacon(void *priv,
+ const u8 *head, size_t head_len,
+ const u8 *tail, size_t tail_len,
+ int dtim_period)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ return wpa_driver_nl80211_set_beacon_iface(drv->ifindex, priv,
+ head, head_len,
+ tail, tail_len,
+ dtim_period);
+}
+
+#endif /* CONFIG_AP */
+
+#if defined(CONFIG_AP) || defined(HOSTAPD)
static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv,
int ifidx)
{
struct nl_msg *msg;
+#ifdef HOSTAPD
+ /* stop listening for EAPOL on this interface */
+ del_ifidx(drv, ifidx);
+#endif /* HOSTAPD */
+
msg = nlmsg_alloc();
if (!msg)
goto nla_put_failure;
static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
- const char *ifname, enum nl80211_iftype iftype)
+ const char *ifname, enum nl80211_iftype iftype,
+ const u8 *addr)
{
struct nl_msg *msg, *flags = NULL;
int ifidx;
if (ifidx <= 0)
return -1;
+#ifdef HOSTAPD
+ /* start listening for EAPOL on this interface */
+ add_ifidx(drv, ifidx);
+
+ if (addr && iftype == NL80211_IFTYPE_AP &&
+ set_ifhwaddr(drv, ifname, addr)) {
+ nl80211_remove_iface(drv, ifidx);
+ return -1;
+ }
+#endif /* HOSTAPD */
+
return ifidx;
}
+#endif /* CONFIG_AP || HOSTAPD */
-enum ieee80211_msg_type {
- ieee80211_msg_normal = 0,
- ieee80211_msg_tx_callback_ack = 1,
- ieee80211_msg_tx_callback_fail = 2,
-};
-
+#ifdef CONFIG_AP
void ap_tx_status(void *ctx, const u8 *addr,
const u8 *buf, size_t len, int ack);
struct hostapd_frame_info *fi);
void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok);
+#endif /* CONFIG_AP */
+
+#if defined(CONFIG_AP) || defined(HOSTAPD)
static void handle_tx_callback(void *ctx, u8 *buf, size_t len, int ok)
{
case WLAN_FC_TYPE_MGMT:
wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
ok ? "ACK" : "fail");
+#ifdef HOSTAPD
+ hostapd_mgmt_tx_cb(ctx, buf, len, stype, ok);
+#else /* HOSTAPD */
ap_mgmt_tx_cb(ctx, buf, len, stype, ok);
+#endif /* HOSTAPD */
break;
case WLAN_FC_TYPE_CTRL:
wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
ok ? "ACK" : "fail");
break;
case WLAN_FC_TYPE_DATA:
+#ifdef HOSTAPD
+ hostapd_tx_status(ctx, hdr->addr1, buf, len, ok);
+#else /* HOSTAPD */
ap_tx_status(ctx, hdr->addr1, buf, len, ok);
+#endif /* HOSTAPD */
break;
default:
wpa_printf(MSG_DEBUG, "unknown TX callback frame type %d",
struct ieee80211_hdr *hdr;
u16 fc, type, stype;
size_t data_len = len;
+ u8 *bssid;
+ void *ctx = drv->ctx;
+#ifdef HOSTAPD
+ struct hostapd_iface *iface = drv->hapd->iface;
+ struct hostapd_data *hapd = NULL;
+ int broadcast_bssid = 0;
+ size_t i;
+#endif /* HOSTAPD */
/*
* PS-Poll frames are 16 bytes. All other frames are
return;
switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
case WLAN_FC_TODS:
+ bssid = hdr->addr1;
break;
case WLAN_FC_FROMDS:
+ bssid = hdr->addr2;
break;
default:
/* discard */
/* discard non-ps-poll frames */
if (stype != WLAN_FC_STYPE_PSPOLL)
return;
+ bssid = hdr->addr1;
break;
case WLAN_FC_TYPE_MGMT:
+ bssid = hdr->addr3;
break;
default:
/* discard */
return;
}
+#ifdef HOSTAPD
+ /* find interface frame belongs to */
+ for (i = 0; i < iface->num_bss; i++) {
+ if (memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) {
+ hapd = iface->bss[i];
+ break;
+ }
+ }
+
+ if (hapd == NULL) {
+ hapd = iface->bss[0];
+
+ if (bssid[0] != 0xff || bssid[1] != 0xff ||
+ bssid[2] != 0xff || bssid[3] != 0xff ||
+ bssid[4] != 0xff || bssid[5] != 0xff) {
+ /*
+ * Unknown BSSID - drop frame if this is not from
+ * passive scanning or a beacon (at least ProbeReq
+ * frames to other APs may be allowed through RX
+ * filtering in the wlan hw/driver)
+ */
+ if ((type != WLAN_FC_TYPE_MGMT ||
+ stype != WLAN_FC_STYPE_BEACON))
+ return;
+ } else
+ broadcast_bssid = 1;
+ }
+ ctx = hapd;
+#endif /* HOSTAPD */
+
switch (msg_type) {
case ieee80211_msg_normal:
/* continue processing */
break;
case ieee80211_msg_tx_callback_ack:
- handle_tx_callback(drv->ctx, buf, data_len, 1);
+ handle_tx_callback(ctx, buf, data_len, 1);
return;
case ieee80211_msg_tx_callback_fail:
- handle_tx_callback(drv->ctx, buf, data_len, 0);
+ handle_tx_callback(ctx, buf, data_len, 0);
return;
}
if (stype != WLAN_FC_STYPE_BEACON &&
stype != WLAN_FC_STYPE_PROBE_REQ)
wpa_printf(MSG_MSGDUMP, "MGMT");
+#ifdef HOSTAPD
+ if (broadcast_bssid) {
+ for (i = 0; i < iface->num_bss; i++)
+ hostapd_mgmt_rx(iface->bss[i], buf, data_len,
+ stype, hfi);
+ } else
+ hostapd_mgmt_rx(hapd, buf, data_len, stype, hfi);
+#else /* HOSTAPD */
ap_mgmt_rx(drv->ctx, buf, data_len, stype, hfi);
+#endif /* HOSTAPD */
break;
case WLAN_FC_TYPE_CTRL:
/* can only get here with PS-Poll frames */
wpa_printf(MSG_DEBUG, "CTRL");
+#ifdef HOSTAPD
+ hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
+#else /* HOSTAPD */
ap_rx_from_unknown_sta(drv->ctx, hdr->addr2);
+#endif /* HOSTAPD */
break;
case WLAN_FC_TYPE_DATA:
+#ifdef HOSTAPD
+ hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
+#else /* HOSTAPD */
ap_rx_from_unknown_sta(drv->ctx, hdr->addr2);
+#endif /* HOSTAPD */
break;
}
}
struct sockaddr_ll ll;
int optval;
socklen_t optlen;
- int flags;
snprintf(buf, IFNAMSIZ, "mon.%s", drv->ifname);
buf[IFNAMSIZ - 1] = '\0';
drv->monitor_ifidx =
- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR);
+ nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL);
if (drv->monitor_ifidx < 0)
return -1;
- if (wpa_driver_nl80211_get_ifflags_ifname(drv, buf, &flags) != 0) {
- wpa_printf(MSG_ERROR, "Could not get interface '%s' flags",
- buf);
+ if (hostapd_set_iface_flags(drv, buf, 1))
goto error;
- }
- if (!(flags & IFF_UP)) {
- if (wpa_driver_nl80211_set_ifflags_ifname(drv, buf,
- flags | IFF_UP) != 0)
- {
- wpa_printf(MSG_ERROR, "Could not set interface '%s' "
- "UP", buf);
- goto error;
- }
- }
memset(&ll, 0, sizeof(ll));
ll.sll_family = AF_PACKET;
/* This works, but will cost in performance. */
}
- if (bind(drv->monitor_sock, (struct sockaddr *) &ll,
- sizeof(ll)) < 0) {
+ if (bind(drv->monitor_sock, (struct sockaddr *) &ll, sizeof(ll)) < 0) {
perror("monitor socket bind");
goto error;
}
return -1;
}
+#endif /* CONFIG_AP || HOSTAPD */
+
+#ifdef CONFIG_AP
static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params)
return -1;
if (wpa_driver_nl80211_set_mode(drv, params->mode) ||
- wpa_driver_nl80211_set_freq2(drv, params)) {
+ wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
nl80211_remove_iface(drv, drv->monitor_ifidx);
drv->monitor_ifidx = -1;
return -1;
return wpa_driver_nl80211_ap(drv, params);
#endif /* CONFIG_AP */
+#ifndef NO_WEXT
wpa_driver_nl80211_set_auth_param(drv, IW_AUTH_DROP_UNENCRYPTED,
params->drop_unencrypted);
+#endif /* NO_WEXT */
drv->associated = 0;
}
-/**
- * wpa_driver_nl80211_set_mode - Set wireless mode (infra/adhoc)
- * @drv: Pointer to private driver data from wpa_driver_nl80211_init()
- * @mode: 0 = infra/BSS (associate with an AP), 1 = adhoc/IBSS
- * Returns: 0 on success, -1 on failure
- */
-static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
- int mode)
+static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
+ int ifindex, int mode)
{
- int ret = -1, flags;
struct nl_msg *msg;
+ int ret = -ENOBUFS;
+
+ msg = nlmsg_alloc();
+ if (!msg)
+ return -ENOMEM;
+
+ genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
+ 0, NL80211_CMD_SET_INTERFACE, 0);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
+
+ ret = send_and_recv_msgs(drv, msg, NULL, NULL);
+ if (!ret)
+ return 0;
+nla_put_failure:
+ wpa_printf(MSG_DEBUG, "nl80211: Failed to set interface %d to mode %d:"
+ " %d (%s)", ifindex, mode, ret, strerror(-ret));
+ return ret;
+}
+
+
+static int wpa_driver_nl80211_set_mode(void *priv, int mode)
+{
+ struct wpa_driver_nl80211_data *drv = priv;
+ int ret = -1;
int nlmode;
switch (mode) {
return -1;
}
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
+ if (nl80211_set_mode(drv, drv->ifindex, nlmode) == 0) {
+ drv->nlmode = nlmode;
return 0;
- else
- goto try_again;
+ }
-nla_put_failure:
- wpa_printf(MSG_ERROR, "nl80211: Failed to set interface mode: %d (%s)",
- ret, strerror(-ret));
- return -1;
+ if (nlmode == drv->nlmode)
+ return 0; /* Already in the requested mode */
-try_again:
/* mac80211 doesn't allow mode changes while the device is up, so
* take the device down, try to set the mode again, and bring the
* device back up.
*/
- if (wpa_driver_nl80211_get_ifflags(drv, &flags) == 0) {
- (void) wpa_driver_nl80211_set_ifflags(drv, flags & ~IFF_UP);
-
+ if (hostapd_set_iface_flags(drv, drv->ifname, 0) == 0) {
/* Try to set the mode again while the interface is down */
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, nlmode);
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret) {
- wpa_printf(MSG_ERROR, "Failed to set interface %s "
- "mode(try_again): %d (%s)",
- drv->ifname, ret, strerror(-ret));
- }
-
- /* Ignore return value of get_ifflags to ensure that the device
- * is always up like it was before this function was called.
- */
- (void) wpa_driver_nl80211_get_ifflags(drv, &flags);
- (void) wpa_driver_nl80211_set_ifflags(drv, flags | IFF_UP);
+ ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
+ if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ ret = -1;
}
+ if (!ret)
+ drv->nlmode = nlmode;
+
return ret;
}
static const u8 rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 };
-enum ieee80211_msg_type {
- ieee80211_msg_normal = 0,
- ieee80211_msg_tx_callback_ack = 1,
- ieee80211_msg_tx_callback_fail = 2,
-};
-
-
-static int i802_sta_deauth(void *priv, const u8 *addr, int reason);
-static int i802_sta_disassoc(void *priv, const u8 *addr, int reason);
-
static struct i802_bss * get_bss(struct wpa_driver_nl80211_data *drv,
- const char *iface)
+ int ifindex)
{
struct i802_bss *bss = &drv->bss;
while (bss) {
- if (os_strncmp(iface, bss->ifname, IFNAMSIZ) == 0)
+ if (ifindex == bss->ifindex)
return bss;
bss = bss->next;
}
- wpa_printf(MSG_DEBUG, "nl80211: get_bss(%s) failed", iface);
+ wpa_printf(MSG_DEBUG, "nl80211: get_bss(%d) failed", ifindex);
return NULL;
}
}
-static int hostapd_set_iface_flags(struct wpa_driver_nl80211_data *drv,
- const char *ifname, int dev_up)
-{
- struct ifreq ifr;
-
- if (drv->ioctl_sock < 0)
- return -1;
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
-
- if (ioctl(drv->ioctl_sock, SIOCGIFFLAGS, &ifr) != 0) {
- perror("ioctl[SIOCGIFFLAGS]");
- wpa_printf(MSG_DEBUG, "Could not read interface flags (%s)",
- drv->ifname);
- 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;
- }
-
- return 0;
-}
-
-
-static int nl_set_encr(int ifindex, struct wpa_driver_nl80211_data *drv,
- wpa_alg alg, const u8 *addr, int idx, const u8 *key,
- size_t key_len, int txkey)
-{
- struct nl_msg *msg;
- int ret;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- if (alg == WPA_ALG_NONE) {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_KEY, 0);
- } else {
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_KEY, 0);
- NLA_PUT(msg, NL80211_ATTR_KEY_DATA, key_len, key);
- switch (alg) {
- case WPA_ALG_WEP:
- if (key_len == 5)
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
- 0x000FAC01);
- else
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER,
- 0x000FAC05);
- break;
- case WPA_ALG_TKIP:
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC02);
- break;
- case WPA_ALG_CCMP:
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC04);
- break;
- case WPA_ALG_IGTK:
- NLA_PUT_U32(msg, NL80211_ATTR_KEY_CIPHER, 0x000FAC06);
- break;
- default:
- wpa_printf(MSG_ERROR, "%s: Unsupported encryption "
- "algorithm %d", __func__, alg);
- nlmsg_free(msg);
- return -1;
- }
- }
-
- if (addr)
- NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret == -ENOENT)
- ret = 0;
-
- /*
- * If we failed or don't need to set the default TX key (below),
- * we're done here.
- */
- if (ret || !txkey || addr)
- return ret;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_KEY, 0);
- NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, idx);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifindex);
- if (alg == WPA_ALG_IGTK)
- NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT_MGMT);
- else
- NLA_PUT_FLAG(msg, NL80211_ATTR_KEY_DEFAULT);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret == -ENOENT)
- ret = 0;
- return ret;
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
static int i802_set_key(const char *iface, void *priv, 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_nl80211_data *drv = priv;
- int ret;
-
- ret = nl_set_encr(if_nametoindex(iface), drv, alg, addr, key_idx, key,
- key_len, set_tx);
- if (ret < 0)
- return ret;
-
- return ret;
+ return nl_set_encr(if_nametoindex(iface), drv, alg, addr, key_idx,
+ set_tx, seq, seq_len, key, key_len);
}
}
-static int i802_send_frame(void *priv, const void *data, size_t len,
- int encrypt, int flags)
+/* Set kernel driver on given frequency (MHz) */
+static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
{
- __u8 rtap_hdr[] = {
- 0x00, 0x00, /* radiotap version */
- 0x0e, 0x00, /* radiotap length */
- 0x02, 0xc0, 0x00, 0x00, /* bmap: flags, tx and rx flags */
- IEEE80211_RADIOTAP_F_FRAG, /* F_FRAG (fragment if required) */
- 0x00, /* padding */
- 0x00, 0x00, /* RX and TX flags to indicate that */
- 0x00, 0x00, /* this is the injected frame directly */
- };
struct wpa_driver_nl80211_data *drv = priv;
- struct iovec iov[2] = {
- {
- .iov_base = &rtap_hdr,
- .iov_len = sizeof(rtap_hdr),
- },
- {
- .iov_base = (void*)data,
- .iov_len = len,
- }
- };
- struct msghdr msg = {
- .msg_name = NULL,
- .msg_namelen = 0,
- .msg_iov = iov,
- .msg_iovlen = 2,
- .msg_control = NULL,
- .msg_controllen = 0,
- .msg_flags = 0,
- };
-
- if (encrypt)
- rtap_hdr[8] |= IEEE80211_RADIOTAP_F_WEP;
-
- return sendmsg(drv->monitor_sock, &msg, flags);
+ return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled,
+ freq->sec_channel_offset);
}
-static int i802_send_mgmt_frame(void *priv, const void *data, size_t len,
- int flags)
+
+static int i802_set_rts(void *priv, int rts)
{
- struct ieee80211_mgmt *mgmt;
- int do_not_encrypt = 0;
- u16 fc;
+#ifdef NO_WEXT
+ return -1;
+#else /* NO_WEXT */
+ struct wpa_driver_nl80211_data *drv = priv;
+ struct iwreq iwr;
- mgmt = (struct ieee80211_mgmt *) data;
- fc = le_to_host16(mgmt->frame_control);
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+ iwr.u.rts.value = rts;
+ iwr.u.rts.fixed = 1;
- if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
- WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_AUTH) {
- /*
- * Only one of the authentication frame types is encrypted.
- * In order for static WEP encryption to work properly (i.e.,
- * to not encrypt the frame), we need to tell mac80211 about
- * the frames that must not be encrypted.
- */
- u16 auth_alg = le_to_host16(mgmt->u.auth.auth_alg);
- u16 auth_trans = le_to_host16(mgmt->u.auth.auth_transaction);
- if (auth_alg == WLAN_AUTH_OPEN ||
- (auth_alg == WLAN_AUTH_SHARED_KEY && auth_trans != 3))
- do_not_encrypt = 1;
+ if (ioctl(drv->ioctl_sock, SIOCSIWRTS, &iwr) < 0) {
+ perror("ioctl[SIOCSIWRTS]");
+ return -1;
}
- return i802_send_frame(priv, data, len, !do_not_encrypt, flags);
+ return 0;
+#endif /* NO_WEXT */
}
-/* Set kernel driver on given frequency (MHz) */
-static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
+
+static int i802_set_frag(void *priv, int frag)
{
+#ifdef NO_WEXT
+ return -1;
+#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
+ struct iwreq iwr;
- msg = nlmsg_alloc();
- if (!msg)
+ memset(&iwr, 0, sizeof(iwr));
+ os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
+ iwr.u.frag.value = frag;
+ iwr.u.frag.fixed = 1;
+
+ if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
+ perror("ioctl[SIOCSIWFRAG]");
return -1;
+ }
- drv->last_freq = freq->freq;
- drv->last_freq_ht = freq->ht_enabled;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0, 0,
- NL80211_CMD_SET_WIPHY, 0);
-
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq->freq);
- if (freq->ht_enabled) {
- switch (freq->sec_channel_offset) {
- case -1:
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
- NL80211_CHAN_HT40MINUS);
- break;
- case 1:
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
- NL80211_CHAN_HT40PLUS);
- break;
- default:
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE,
- NL80211_CHAN_HT20);
- break;
- }
- }
-
- if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
- return 0;
- nla_put_failure:
- return -1;
-}
-
-
-static int i802_set_rts(void *priv, int rts)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.rts.value = rts;
- iwr.u.rts.fixed = 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWRTS, &iwr) < 0) {
- perror("ioctl[SIOCSIWRTS]");
- return -1;
- }
-
- return 0;
-}
-
-
-static int i802_set_frag(void *priv, int frag)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct iwreq iwr;
-
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.frag.value = frag;
- iwr.u.frag.fixed = 1;
-
- if (ioctl(drv->ioctl_sock, SIOCSIWFRAG, &iwr) < 0) {
- perror("ioctl[SIOCSIWFRAG]");
- return -1;
- }
-
- return 0;
-}
+ return 0;
+#endif /* NO_WEXT */
+}
static int i802_set_retry(void *priv, int short_retry, int long_retry)
{
+#ifdef NO_WEXT
+ return -1;
+#else /* NO_WEXT */
struct wpa_driver_nl80211_data *drv = priv;
struct iwreq iwr;
}
return 0;
+#endif /* NO_WEXT */
}
pos += 2;
memcpy(pos, data, data_len);
- res = i802_send_frame(drv, (u8 *) hdr, len, encrypt, 0);
- free(hdr);
-
+ res = wpa_driver_nl80211_send_frame(drv, (u8 *) hdr, len, encrypt);
if (res < 0) {
- perror("i802_send_eapol: send");
- printf("i802_send_eapol - packet len: %lu - failed\n",
- (unsigned long) len);
+ wpa_printf(MSG_ERROR, "i802_send_eapol - packet len: %lu - "
+ "failed: %d (%s)",
+ (unsigned long) len, errno, strerror(errno));
}
+ free(hdr);
return res;
}
}
-static void nl80211_remove_iface(struct wpa_driver_nl80211_data *drv, int ifidx)
-{
- struct nl_msg *msg;
-
- /* stop listening for EAPOL on this interface */
- del_ifidx(drv, ifidx);
-
- msg = nlmsg_alloc();
- if (!msg)
- goto nla_put_failure;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_DEL_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, ifidx);
-
- if (send_and_recv_msgs(drv, msg, NULL, NULL) == 0)
- return;
- nla_put_failure:
- printf("Failed to remove interface.\n");
-}
-
-
-static int nl80211_create_iface(struct wpa_driver_nl80211_data *drv,
- const char *ifname,
- enum nl80211_iftype iftype,
- const u8 *addr)
-{
- struct nl_msg *msg, *flags = NULL;
- int ifidx;
- struct ifreq ifreq;
- struct iwreq iwr;
- int ret = -ENOBUFS;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -1;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_NEW_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
- NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, ifname);
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, iftype);
-
- if (iftype == NL80211_IFTYPE_MONITOR) {
- int err;
-
- flags = nlmsg_alloc();
- if (!flags)
- goto nla_put_failure;
-
- NLA_PUT_FLAG(flags, NL80211_MNTR_FLAG_COOK_FRAMES);
-
- err = nla_put_nested(msg, NL80211_ATTR_MNTR_FLAGS, flags);
-
- nlmsg_free(flags);
-
- if (err)
- goto nla_put_failure;
- }
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (ret) {
- nla_put_failure:
- printf("Failed to create interface %s.\n", ifname);
- return ret;
- }
-
- ifidx = if_nametoindex(ifname);
-
- if (ifidx <= 0)
- return -1;
-
- /* start listening for EAPOL on this interface */
- add_ifidx(drv, ifidx);
-
- if (addr) {
- switch (iftype) {
- case NL80211_IFTYPE_AP:
- os_strlcpy(ifreq.ifr_name, ifname, IFNAMSIZ);
- memcpy(ifreq.ifr_hwaddr.sa_data, addr, ETH_ALEN);
- ifreq.ifr_hwaddr.sa_family = ARPHRD_ETHER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifreq)) {
- nl80211_remove_iface(drv, ifidx);
- return -1;
- }
- break;
- case NL80211_IFTYPE_WDS:
- memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, ifname, IFNAMSIZ);
- iwr.u.addr.sa_family = ARPHRD_ETHER;
- memcpy(iwr.u.addr.sa_data, addr, ETH_ALEN);
- if (ioctl(drv->ioctl_sock, SIOCSIWAP, &iwr))
- return -1;
- break;
- default:
- /* nothing */
- break;
- }
- }
-
- return ifidx;
-}
-
-
static int i802_bss_add(void *priv, const char *ifname, const u8 *bssid)
{
struct wpa_driver_nl80211_data *drv = priv;
bss = os_zalloc(sizeof(*bss));
if (bss == NULL)
return -1;
- os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
+ bss->ifindex = if_nametoindex(ifname);
ifidx = nl80211_create_iface(priv, ifname, NL80211_IFTYPE_AP, bssid);
if (ifidx < 0) {
{
struct wpa_driver_nl80211_data *drv = priv;
struct i802_bss *bss, *prev;
- nl80211_remove_iface(priv, if_nametoindex(ifname));
+ int ifindex = if_nametoindex(ifname);
+ nl80211_remove_iface(priv, ifindex);
prev = &drv->bss;
bss = drv->bss.next;
while (bss) {
- if (os_strncmp(ifname, bss->ifname, IFNAMSIZ) == 0) {
+ if (ifindex == bss->ifindex) {
prev->next = bss->next;
os_free(bss);
break;
const u8 *head, size_t head_len,
const u8 *tail, size_t tail_len, int dtim_period)
{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- u8 cmd = NL80211_CMD_NEW_BEACON;
- int ret;
- struct i802_bss *bss;
-
- bss = get_bss(drv, iface);
- if (bss == NULL)
- return -ENOENT;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- wpa_printf(MSG_DEBUG, "nl80211: Set beacon (iface=%s beacon_set=%d)",
- iface, bss->beacon_set);
- if (bss->beacon_set)
- cmd = NL80211_CMD_SET_BEACON;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, cmd, 0);
- NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, head_len, head);
- NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, tail_len, tail);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(iface));
- NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, drv->beacon_int);
- NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, dtim_period);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
- bss->beacon_set = 1;
- return ret;
- nla_put_failure:
- return -ENOBUFS;
+ return wpa_driver_nl80211_set_beacon_iface(if_nametoindex(iface), priv,
+ head, head_len,
+ tail, tail_len,
+ dtim_period);
}
}
-static int i802_set_beacon_int(void *priv, int value)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
-
- drv->beacon_int = value;
-
- if (!drv->bss.beacon_set)
- return 0;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- wpa_printf(MSG_DEBUG, "nl80211: Set beacon interval %d "
- "(beacon_set=%d)", value, drv->bss.beacon_set);
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_BEACON, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
-
- NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, value);
-
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
-}
-
-
static int i802_set_bss(void *priv, int cts, int preamble, int slot)
{
struct wpa_driver_nl80211_data *drv = priv;
switch (type) {
case HOSTAPD_IF_VLAN:
return NL80211_IFTYPE_AP_VLAN;
- case HOSTAPD_IF_WDS:
- return NL80211_IFTYPE_WDS;
}
return -1;
}
}
-static int i802_set_country(void *priv, const char *country)
+static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
{
- struct wpa_driver_nl80211_data *drv = priv;
- struct nl_msg *msg;
- char alpha2[3];
+ struct wpa_driver_nl80211_data *drv = eloop_ctx;
+ struct sockaddr_ll lladdr;
+ unsigned char buf[3000];
+ int len;
+ socklen_t fromlen = sizeof(lladdr);
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
+ len = recvfrom(sock, buf, sizeof(buf), 0,
+ (struct sockaddr *)&lladdr, &fromlen);
+ if (len < 0) {
+ perror("recv");
+ return;
+ }
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_REQ_SET_REG, 0);
+ if (have_ifidx(drv, lladdr.sll_ifindex)) {
+ struct hostapd_data *hapd;
+ hapd = hostapd_sta_get_bss(drv->hapd, lladdr.sll_addr);
+ if (!hapd)
+ return;
+ hostapd_eapol_receive(hapd, lladdr.sll_addr, buf, len);
+ }
+}
- alpha2[0] = country[0];
- alpha2[1] = country[1];
- alpha2[2] = '\0';
- NLA_PUT_STRING(msg, NL80211_ATTR_REG_ALPHA2, alpha2);
- return send_and_recv_msgs(drv, msg, NULL, NULL);
- nla_put_failure:
- return -ENOBUFS;
+static int i802_get_inact_sec(void *priv, const u8 *addr)
+{
+ struct hostap_sta_driver_data data;
+ int ret;
+
+ data.inactive_msec = (unsigned long) -1;
+ ret = i802_read_sta_data(priv, &data, addr);
+ if (ret || data.inactive_msec == (unsigned long) -1)
+ return -1;
+ return data.inactive_msec / 1000;
}
-static void handle_tx_callback(struct hostapd_data *hapd, u8 *buf, size_t len,
- int ok)
+static int i802_sta_clear_stats(void *priv, const u8 *addr)
{
- struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
+#if 0
+ /* TODO */
+#endif
+ return 0;
+}
- hdr = (struct ieee80211_hdr *) buf;
- fc = le_to_host16(hdr->frame_control);
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_MGMT:
- wpa_printf(MSG_DEBUG, "MGMT (TX callback) %s",
- ok ? "ACK" : "fail");
- hostapd_mgmt_tx_cb(hapd, buf, len, stype, ok);
- break;
- case WLAN_FC_TYPE_CTRL:
- wpa_printf(MSG_DEBUG, "CTRL (TX callback) %s",
- ok ? "ACK" : "fail");
- break;
- case WLAN_FC_TYPE_DATA:
- hostapd_tx_status(hapd, hdr->addr1, buf, len, ok);
- break;
- default:
- printf("unknown TX callback frame type %d\n", type);
- break;
- }
-}
-
-
-static void handle_frame(struct wpa_driver_nl80211_data *drv,
- struct hostapd_iface *iface, u8 *buf, size_t len,
- struct hostapd_frame_info *hfi,
- enum ieee80211_msg_type msg_type)
-{
- struct ieee80211_hdr *hdr;
- u16 fc, type, stype;
- size_t data_len = len;
- struct hostapd_data *hapd = NULL;
- int broadcast_bssid = 0;
- size_t i;
- u8 *bssid;
-
- /*
- * PS-Poll frames are 16 bytes. All other frames are
- * 24 bytes or longer.
- */
- if (len < 16)
- return;
-
- hdr = (struct ieee80211_hdr *) buf;
- fc = le_to_host16(hdr->frame_control);
-
- type = WLAN_FC_GET_TYPE(fc);
- stype = WLAN_FC_GET_STYPE(fc);
-
- switch (type) {
- case WLAN_FC_TYPE_DATA:
- if (len < 24)
- return;
- switch (fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)) {
- case WLAN_FC_TODS:
- bssid = hdr->addr1;
- break;
- case WLAN_FC_FROMDS:
- bssid = hdr->addr2;
- break;
- default:
- /* discard */
- return;
- }
- break;
- case WLAN_FC_TYPE_CTRL:
- /* discard non-ps-poll frames */
- if (stype != WLAN_FC_STYPE_PSPOLL)
- return;
- bssid = hdr->addr1;
- break;
- case WLAN_FC_TYPE_MGMT:
- bssid = hdr->addr3;
- break;
- default:
- /* discard */
- return;
- }
-
- /* find interface frame belongs to */
- for (i = 0; i < iface->num_bss; i++) {
- if (memcmp(bssid, iface->bss[i]->own_addr, ETH_ALEN) == 0) {
- hapd = iface->bss[i];
- break;
- }
- }
-
- if (hapd == NULL) {
- hapd = iface->bss[0];
-
- if (bssid[0] != 0xff || bssid[1] != 0xff ||
- bssid[2] != 0xff || bssid[3] != 0xff ||
- bssid[4] != 0xff || bssid[5] != 0xff) {
- /*
- * Unknown BSSID - drop frame if this is not from
- * passive scanning or a beacon (at least ProbeReq
- * frames to other APs may be allowed through RX
- * filtering in the wlan hw/driver)
- */
- if ((type != WLAN_FC_TYPE_MGMT ||
- stype != WLAN_FC_STYPE_BEACON))
- return;
- } else
- broadcast_bssid = 1;
- }
-
- switch (msg_type) {
- case ieee80211_msg_normal:
- /* continue processing */
- break;
- case ieee80211_msg_tx_callback_ack:
- handle_tx_callback(hapd, buf, data_len, 1);
- return;
- case ieee80211_msg_tx_callback_fail:
- handle_tx_callback(hapd, buf, data_len, 0);
- return;
- }
-
- switch (type) {
- case WLAN_FC_TYPE_MGMT:
- if (stype != WLAN_FC_STYPE_BEACON &&
- stype != WLAN_FC_STYPE_PROBE_REQ)
- wpa_printf(MSG_MSGDUMP, "MGMT");
- if (broadcast_bssid) {
- for (i = 0; i < iface->num_bss; i++)
- hostapd_mgmt_rx(iface->bss[i], buf, data_len,
- stype, hfi);
- } else
- hostapd_mgmt_rx(hapd, buf, data_len, stype, hfi);
- break;
- case WLAN_FC_TYPE_CTRL:
- /* can only get here with PS-Poll frames */
- wpa_printf(MSG_DEBUG, "CTRL");
- hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
- break;
- case WLAN_FC_TYPE_DATA:
- hostapd_rx_from_unknown_sta(drv->hapd, hdr->addr2);
- break;
- }
-}
-
-
-static void handle_eapol(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- struct sockaddr_ll lladdr;
- unsigned char buf[3000];
- int len;
- socklen_t fromlen = sizeof(lladdr);
-
- len = recvfrom(sock, buf, sizeof(buf), 0,
- (struct sockaddr *)&lladdr, &fromlen);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (have_ifidx(drv, lladdr.sll_ifindex)) {
- struct hostapd_data *hapd;
- hapd = hostapd_sta_get_bss(drv->hapd, lladdr.sll_addr);
- if (!hapd)
- return;
- hostapd_eapol_receive(hapd, lladdr.sll_addr, buf, len);
- }
-}
-
-
-static void handle_monitor_read(int sock, void *eloop_ctx, void *sock_ctx)
-{
- struct wpa_driver_nl80211_data *drv = eloop_ctx;
- int len;
- unsigned char buf[3000];
- struct hostapd_data *hapd = drv->hapd;
- struct ieee80211_radiotap_iterator iter;
- int ret;
- struct hostapd_frame_info hfi;
- int injected = 0, failed = 0, msg_type, rxflags = 0;
-
- len = recv(sock, buf, sizeof(buf), 0);
- if (len < 0) {
- perror("recv");
- return;
- }
-
- if (ieee80211_radiotap_iterator_init(&iter, (void*)buf, len)) {
- printf("received invalid radiotap frame\n");
- return;
- }
-
- memset(&hfi, 0, sizeof(hfi));
-
- while (1) {
- ret = ieee80211_radiotap_iterator_next(&iter);
- if (ret == -ENOENT)
- break;
- if (ret) {
- printf("received invalid radiotap frame (%d)\n", ret);
- return;
- }
- switch (iter.this_arg_index) {
- case IEEE80211_RADIOTAP_FLAGS:
- if (*iter.this_arg & IEEE80211_RADIOTAP_F_FCS)
- len -= 4;
- break;
- case IEEE80211_RADIOTAP_RX_FLAGS:
- rxflags = 1;
- break;
- case IEEE80211_RADIOTAP_TX_FLAGS:
- injected = 1;
- failed = le_to_host16((*(uint16_t *) iter.this_arg)) &
- IEEE80211_RADIOTAP_F_TX_FAIL;
- break;
- case IEEE80211_RADIOTAP_DATA_RETRIES:
- break;
- case IEEE80211_RADIOTAP_CHANNEL:
- /* TODO convert from freq/flags to channel number
- hfi.channel = XXX;
- hfi.phytype = XXX;
- */
- break;
- case IEEE80211_RADIOTAP_RATE:
- hfi.datarate = *iter.this_arg * 5;
- break;
- case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
- hfi.ssi_signal = *iter.this_arg;
- break;
- }
- }
-
- if (rxflags && injected)
- return;
-
- if (!injected)
- msg_type = ieee80211_msg_normal;
- else if (failed)
- msg_type = ieee80211_msg_tx_callback_fail;
- else
- msg_type = ieee80211_msg_tx_callback_ack;
-
- handle_frame(drv, hapd->iface, buf + iter.max_length,
- len - iter.max_length, &hfi, msg_type);
-}
-
-
-/*
- * we post-process the filter code later and rewrite
- * this to the offset to the last instruction
- */
-#define PASS 0xFF
-#define FAIL 0xFE
-
-static struct sock_filter msock_filter_insns[] = {
- /*
- * do a little-endian load of the radiotap length field
- */
- /* load lower byte into A */
- BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 2),
- /* put it into X (== index register) */
- BPF_STMT(BPF_MISC| BPF_TAX, 0),
- /* load upper byte into A */
- BPF_STMT(BPF_LD | BPF_B | BPF_ABS, 3),
- /* left-shift it by 8 */
- BPF_STMT(BPF_ALU | BPF_LSH | BPF_K, 8),
- /* or with X */
- BPF_STMT(BPF_ALU | BPF_OR | BPF_X, 0),
- /* put result into X */
- BPF_STMT(BPF_MISC| BPF_TAX, 0),
-
- /*
- * Allow management frames through, this also gives us those
- * management frames that we sent ourselves with status
- */
- /* load the lower byte of the IEEE 802.11 frame control field */
- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
- /* mask off frame type and version */
- BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0xF),
- /* accept frame if it's both 0, fall through otherwise */
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0, PASS, 0),
-
- /*
- * TODO: add a bit to radiotap RX flags that indicates
- * that the sending station is not associated, then
- * add a filter here that filters on our DA and that flag
- * to allow us to deauth frames to that bad station.
- *
- * Not a regression -- we didn't do it before either.
- */
-
-#if 0
- /*
- * drop non-data frames, WDS frames
- */
- /* load the lower byte of the frame control field */
- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
- /* mask off QoS bit */
- BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x0c),
- /* drop non-data frames */
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 8, 0, FAIL),
- /* load the upper byte of the frame control field */
- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
- /* mask off toDS/fromDS */
- BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x03),
- /* drop WDS frames */
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 3, FAIL, 0),
-#endif
-
- /*
- * add header length to index
- */
- /* load the lower byte of the frame control field */
- BPF_STMT(BPF_LD | BPF_B | BPF_IND, 0),
- /* mask off QoS bit */
- BPF_STMT(BPF_ALU | BPF_AND | BPF_K, 0x80),
- /* right shift it by 6 to give 0 or 2 */
- BPF_STMT(BPF_ALU | BPF_RSH | BPF_K, 6),
- /* add data frame header length */
- BPF_STMT(BPF_ALU | BPF_ADD | BPF_K, 24),
- /* add index, was start of 802.11 header */
- BPF_STMT(BPF_ALU | BPF_ADD | BPF_X, 0),
- /* move to index, now start of LL header */
- BPF_STMT(BPF_MISC | BPF_TAX, 0),
-
- /*
- * Accept empty data frames, we use those for
- * polling activity.
- */
- BPF_STMT(BPF_LD | BPF_W | BPF_LEN, 0),
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_X, 0, PASS, 0),
-
- /*
- * Accept EAPOL frames
- */
- BPF_STMT(BPF_LD | BPF_W | BPF_IND, 0),
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0xAAAA0300, 0, FAIL),
- BPF_STMT(BPF_LD | BPF_W | BPF_IND, 4),
- BPF_JUMP(BPF_JMP | BPF_JEQ | BPF_K, 0x0000888E, PASS, FAIL),
-
- /* keep these last two statements or change the code below */
- /* return 0 == "DROP" */
- BPF_STMT(BPF_RET | BPF_K, 0),
- /* return ~0 == "keep all" */
- BPF_STMT(BPF_RET | BPF_K, ~0),
-};
-
-static struct sock_fprog msock_filter = {
- .len = sizeof(msock_filter_insns)/sizeof(msock_filter_insns[0]),
- .filter = msock_filter_insns,
-};
-
-
-static int add_monitor_filter(int s)
-{
- int idx;
-
- /* rewrite all PASS/FAIL jump offsets */
- for (idx = 0; idx < msock_filter.len; idx++) {
- struct sock_filter *insn = &msock_filter_insns[idx];
-
- if (BPF_CLASS(insn->code) == BPF_JMP) {
- if (insn->code == (BPF_JMP|BPF_JA)) {
- if (insn->k == PASS)
- insn->k = msock_filter.len - idx - 2;
- else if (insn->k == FAIL)
- insn->k = msock_filter.len - idx - 3;
- }
-
- if (insn->jt == PASS)
- insn->jt = msock_filter.len - idx - 2;
- else if (insn->jt == FAIL)
- insn->jt = msock_filter.len - idx - 3;
-
- if (insn->jf == PASS)
- insn->jf = msock_filter.len - idx - 2;
- else if (insn->jf == FAIL)
- insn->jf = msock_filter.len - idx - 3;
- }
- }
-
- if (setsockopt(s, SOL_SOCKET, SO_ATTACH_FILTER,
- &msock_filter, sizeof(msock_filter))) {
- perror("SO_ATTACH_FILTER");
- return -1;
- }
-
- return 0;
-}
-
-
-static int nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
-{
- char buf[IFNAMSIZ];
- struct sockaddr_ll ll;
- int optval;
- socklen_t optlen;
-
- snprintf(buf, IFNAMSIZ, "mon.%s", drv->ifname);
- buf[IFNAMSIZ - 1] = '\0';
-
- drv->monitor_ifidx =
- nl80211_create_iface(drv, buf, NL80211_IFTYPE_MONITOR, NULL);
-
- if (drv->monitor_ifidx < 0)
- return -1;
-
- if (hostapd_set_iface_flags(drv, buf, 1))
- goto error;
-
- memset(&ll, 0, sizeof(ll));
- ll.sll_family = AF_PACKET;
- ll.sll_ifindex = drv->monitor_ifidx;
- drv->monitor_sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_ALL));
- if (drv->monitor_sock < 0) {
- perror("socket[PF_PACKET,SOCK_RAW]");
- goto error;
- }
-
- if (add_monitor_filter(drv->monitor_sock)) {
- wpa_printf(MSG_INFO, "Failed to set socket filter for monitor "
- "interface; do filtering in user space");
- /* This works, but will cost in performance. */
- }
-
- if (bind(drv->monitor_sock, (struct sockaddr *) &ll,
- sizeof(ll)) < 0) {
- perror("monitor socket bind");
- goto error;
- }
-
- optlen = sizeof(optval);
- optval = 20;
- if (setsockopt
- (drv->monitor_sock, SOL_SOCKET, SO_PRIORITY, &optval, optlen)) {
- perror("Failed to set socket priority");
- goto error;
- }
-
- if (eloop_register_read_sock(drv->monitor_sock, handle_monitor_read,
- drv, NULL)) {
- printf("Could not register monitor read socket\n");
- goto error;
- }
-
- return 0;
- error:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- return -1;
-}
-
-
-static int nl80211_set_mode(struct wpa_driver_nl80211_data *drv, const char *ifname,
- int mode)
-{
- struct nl_msg *msg;
- int ret = -ENOBUFS;
-
- msg = nlmsg_alloc();
- if (!msg)
- return -ENOMEM;
-
- genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
- 0, NL80211_CMD_SET_INTERFACE, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(ifname));
- NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, mode);
-
- ret = send_and_recv_msgs(drv, msg, NULL, NULL);
- if (!ret)
- return 0;
- nla_put_failure:
- wpa_printf(MSG_ERROR, "Failed to set interface %s to master "
- "mode.", ifname);
- return ret;
-}
-
-
-#ifdef CONFIG_IEEE80211N
-static void i802_add_neighbor(struct wpa_driver_nl80211_data *drv, u8 *bssid,
- int freq, u8 *ie, size_t ie_len)
-{
- struct ieee802_11_elems elems;
- int ht, pri_chan = 0, sec_chan = 0;
- struct ieee80211_ht_operation *oper;
- struct hostapd_neighbor_bss *nnei;
-
- ieee802_11_parse_elems(ie, ie_len, &elems, 0);
- ht = elems.ht_capabilities || elems.ht_operation;
- if (elems.ht_operation && elems.ht_operation_len >= sizeof(*oper)) {
- oper = (struct ieee80211_ht_operation *) elems.ht_operation;
- pri_chan = oper->control_chan;
- if (oper->ht_param & HT_INFO_HT_PARAM_REC_TRANS_CHNL_WIDTH) {
- if (oper->ht_param &
- HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
- sec_chan = pri_chan + 4;
- else if (oper->ht_param &
- HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
- sec_chan = pri_chan - 4;
- }
- }
-
- wpa_printf(MSG_DEBUG, "nl80211: Neighboring BSS - bssid=" MACSTR
- " freq=%d MHz HT=%d pri_chan=%d sec_chan=%d",
- MAC2STR(bssid), freq, ht, pri_chan, sec_chan);
-
- nnei = os_realloc(drv->neighbors, (drv->num_neighbors + 1) *
- sizeof(struct hostapd_neighbor_bss));
- if (nnei == NULL)
- return;
- drv->neighbors = nnei;
- nnei = &nnei[drv->num_neighbors];
- os_memcpy(nnei->bssid, bssid, ETH_ALEN);
- nnei->freq = freq;
- nnei->ht = !!ht;
- nnei->pri_chan = pri_chan;
- nnei->sec_chan = sec_chan;
- drv->num_neighbors++;
-}
-
-
-static int i802_get_scan_freq(struct iw_event *iwe, int *freq)
-{
- int divi = 1000000, i;
-
- if (iwe->u.freq.e == 0) {
- /*
- * Some drivers do not report frequency, but a channel.
- * Try to map this to frequency by assuming they are using
- * IEEE 802.11b/g. But don't overwrite a previously parsed
- * frequency if the driver sends both frequency and channel,
- * since the driver may be sending an A-band channel that we
- * don't handle here.
- */
-
- if (*freq)
- return 0;
-
- if (iwe->u.freq.m >= 1 && iwe->u.freq.m <= 13) {
- *freq = 2407 + 5 * iwe->u.freq.m;
- return 0;
- } else if (iwe->u.freq.m == 14) {
- *freq = 2484;
- return 0;
- }
- }
-
- if (iwe->u.freq.e > 6) {
- wpa_printf(MSG_DEBUG, "Invalid freq in scan results: "
- "m=%d e=%d", iwe->u.freq.m, iwe->u.freq.e);
- return -1;
- }
-
- for (i = 0; i < iwe->u.freq.e; i++)
- divi /= 10;
- *freq = iwe->u.freq.m / divi;
- return 0;
-}
-
-
-static int i802_parse_scan(struct wpa_driver_nl80211_data *drv, u8 *res_buf,
- size_t len)
-{
- size_t ap_num = 0;
- int first;
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end, *custom;
- u8 bssid[ETH_ALEN];
- int freq = 0;
- u8 *ie = NULL;
- size_t ie_len = 0;
-
- ap_num = 0;
- first = 1;
-
- pos = (char *) res_buf;
- end = (char *) res_buf + len;
-
- while (pos + IW_EV_LCP_LEN <= end) {
- /* Event data may be unaligned, so make a local, aligned copy
- * before processing. */
- os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- if (iwe->len <= IW_EV_LCP_LEN)
- break;
-
- custom = pos + IW_EV_POINT_LEN;
- if (iwe->cmd == IWEVGENIE) {
- /* WE-19 removed the pointer from struct iw_point */
- char *dpos = (char *) &iwe_buf.u.data.length;
- int dlen = dpos - (char *) &iwe_buf;
- os_memcpy(dpos, pos + IW_EV_LCP_LEN,
- sizeof(struct iw_event) - dlen);
- } else {
- os_memcpy(&iwe_buf, pos, sizeof(struct iw_event));
- custom += IW_EV_POINT_OFF;
- }
-
- switch (iwe->cmd) {
- case SIOCGIWAP:
- if (!first)
- i802_add_neighbor(drv, bssid, freq, ie,
- ie_len);
- first = 0;
- os_memcpy(bssid, iwe->u.ap_addr.sa_data, ETH_ALEN);
- freq = 0;
- ie = NULL;
- ie_len = 0;
- break;
- case SIOCGIWFREQ:
- i802_get_scan_freq(iwe, &freq);
- break;
- case IWEVGENIE:
- if (custom + iwe->u.data.length > end) {
- wpa_printf(MSG_ERROR, "IWEVGENIE overflow");
- return -1;
- }
- ie = (u8 *) custom;
- ie_len = iwe->u.data.length;
- break;
- }
-
- pos += iwe->len;
- }
-
- if (!first)
- i802_add_neighbor(drv, bssid, freq, ie, ie_len);
-
- return 0;
-}
-
-
-static int i802_get_ht_scan_res(struct wpa_driver_nl80211_data *drv)
-{
- struct iwreq iwr;
- u8 *res_buf;
- size_t res_buf_len;
- int res;
-
- res_buf_len = IW_SCAN_MAX_DATA;
- for (;;) {
- res_buf = os_malloc(res_buf_len);
- if (res_buf == NULL)
- return -1;
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- iwr.u.data.pointer = res_buf;
- iwr.u.data.length = res_buf_len;
-
- if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
- break;
-
- if (errno == E2BIG && res_buf_len < 65535) {
- os_free(res_buf);
- res_buf = NULL;
- res_buf_len *= 2;
- if (res_buf_len > 65535)
- res_buf_len = 65535; /* 16-bit length field */
- wpa_printf(MSG_DEBUG, "Scan results did not fit - "
- "trying larger buffer (%lu bytes)",
- (unsigned long) res_buf_len);
- } else {
- perror("ioctl[SIOCGIWSCAN]");
- os_free(res_buf);
- return -1;
- }
- }
-
- if (iwr.u.data.length > res_buf_len) {
- os_free(res_buf);
- return -1;
- }
-
- res = i802_parse_scan(drv, res_buf, iwr.u.data.length);
- os_free(res_buf);
-
- return res;
-}
-
-
-static int i802_is_event_wireless_scan_complete(char *data, int len)
-{
- struct iw_event iwe_buf, *iwe = &iwe_buf;
- char *pos, *end;
-
- 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. */
- os_memcpy(&iwe_buf, pos, IW_EV_LCP_LEN);
- if (iwe->cmd == SIOCGIWSCAN)
- return 1;
-
- pos += iwe->len;
- }
-
- return 0;
-}
-
-
-static int i802_is_rtm_scan_complete(int ifindex, struct nlmsghdr *h, int len)
-{
- struct ifinfomsg *ifi;
- int attrlen, _nlmsg_len, rta_len;
- struct rtattr *attr;
-
- if (len < (int) sizeof(*ifi))
- return 0;
-
- ifi = NLMSG_DATA(h);
-
- if (ifindex != ifi->ifi_index)
- return 0; /* event for foreign ifindex */
-
- _nlmsg_len = NLMSG_ALIGN(sizeof(struct ifinfomsg));
-
- attrlen = h->nlmsg_len - _nlmsg_len;
- if (attrlen < 0)
- return 0;
-
- 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 &&
- i802_is_event_wireless_scan_complete(
- ((char *) attr) + rta_len,
- attr->rta_len - rta_len))
- return 1;
- attr = RTA_NEXT(attr, attrlen);
- }
-
- return 0;
-}
-
-
-static int i802_is_scan_complete(int s, int ifindex)
-{
- char buf[1024];
- int left;
- struct nlmsghdr *h;
-
- left = recv(s, buf, sizeof(buf), MSG_DONTWAIT);
- if (left < 0) {
- perror("recv(netlink)");
- return 0;
- }
-
- h = (struct nlmsghdr *) buf;
- while (left >= (int) sizeof(*h)) {
- int len, plen;
-
- len = h->nlmsg_len;
- plen = len - sizeof(*h);
- if (len > left || plen < 0) {
- wpa_printf(MSG_DEBUG, "Malformed netlink message: "
- "len=%d left=%d plen=%d",
- len, left, plen);
- break;
- }
-
- switch (h->nlmsg_type) {
- case RTM_NEWLINK:
- if (i802_is_rtm_scan_complete(ifindex, h, plen))
- return 1;
- break;
- }
-
- len = NLMSG_ALIGN(len);
- left -= len;
- h = (struct nlmsghdr *) ((char *) h + len);
- }
-
- return 0;
-}
-
-
-static int i802_ht_scan(struct wpa_driver_nl80211_data *drv)
-{
- struct iwreq iwr;
- int s, res, ifindex;
- struct sockaddr_nl local;
- time_t now, end;
- fd_set rfds;
- struct timeval tv;
-
- wpa_printf(MSG_DEBUG, "nl80211: Scanning overlapping BSSes before "
- "starting HT 20/40 MHz BSS");
-
- /* Request a new scan */
- /* TODO: would be enough to scan the selected band */
- os_memset(&iwr, 0, sizeof(iwr));
- os_strlcpy(iwr.ifr_name, drv->ifname, IFNAMSIZ);
- if (ioctl(drv->ioctl_sock, SIOCSIWSCAN, &iwr) < 0) {
- perror("ioctl[SIOCSIWSCAN]");
- return -1;
- }
-
- ifindex = if_nametoindex(drv->ifname);
-
- /* Wait for scan completion event or timeout */
- s = socket(PF_NETLINK, SOCK_RAW, NETLINK_ROUTE);
- if (s < 0) {
- perror("socket(PF_NETLINK,SOCK_RAW,NETLINK_ROUTE)");
- return -1;
- }
-
- os_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;
- }
-
- time(&end);
- end += 30; /* Wait at most 30 seconds for scan results */
- for (;;) {
- time(&now);
- tv.tv_sec = end > now ? end - now : 0;
- tv.tv_usec = 0;
- FD_ZERO(&rfds);
- FD_SET(s, &rfds);
- res = select(s + 1, &rfds, NULL, NULL, &tv);
- if (res < 0) {
- perror("select");
- /* Assume results are ready after 10 seconds wait */
- os_sleep(10, 0);
- break;
- } else if (res) {
- if (i802_is_scan_complete(s, ifindex)) {
- wpa_printf(MSG_DEBUG, "nl80211: Scan "
- "completed");
- break;
- }
- } else {
- wpa_printf(MSG_DEBUG, "nl80211: Scan timeout");
- /* Assume results are ready to be read now */
- break;
- }
- }
-
- close(s);
-
- return i802_get_ht_scan_res(drv);
-}
-#endif /* CONFIG_IEEE80211N */
-
-
-static int i802_init_sockets(struct wpa_driver_nl80211_data *drv, const u8 *bssid)
-{
- struct ifreq ifr;
-
- drv->ioctl_sock = socket(PF_INET, SOCK_DGRAM, 0);
- if (drv->ioctl_sock < 0) {
- perror("socket[PF_INET,SOCK_DGRAM]");
- return -1;
- }
-
- /* start listening for EAPOL on the default AP interface */
- add_ifidx(drv, if_nametoindex(drv->ifname));
-
- if (hostapd_set_iface_flags(drv, drv->ifname, 0))
- return -1;
-
- if (bssid) {
- os_strlcpy(ifr.ifr_name, drv->ifname, IFNAMSIZ);
- memcpy(ifr.ifr_hwaddr.sa_data, bssid, ETH_ALEN);
- ifr.ifr_hwaddr.sa_family = ARPHRD_ETHER;
-
- if (ioctl(drv->ioctl_sock, SIOCSIFHWADDR, &ifr)) {
- perror("ioctl(SIOCSIFHWADDR)");
- return -1;
- }
- }
-
- /*
- * initialise generic netlink and nl80211
- */
- drv->nl_cb = nl_cb_alloc(NL_CB_DEFAULT);
- if (!drv->nl_cb) {
- printf("Failed to allocate netlink callbacks.\n");
- return -1;
- }
-
- drv->nl_handle = nl_handle_alloc_cb(drv->nl_cb);
- if (!drv->nl_handle) {
- printf("Failed to allocate netlink handle.\n");
- return -1;
- }
-
- if (genl_connect(drv->nl_handle)) {
- printf("Failed to connect to generic netlink.\n");
- return -1;
- }
-
-#ifdef CONFIG_LIBNL20
- if (genl_ctrl_alloc_cache(drv->nl_handle, &drv->nl_cache) < 0) {
- printf("Failed to allocate generic netlink cache.\n");
- return -1;
- }
-#else /* CONFIG_LIBNL20 */
- drv->nl_cache = genl_ctrl_alloc_cache(drv->nl_handle);
- if (!drv->nl_cache) {
- printf("Failed to allocate generic netlink cache.\n");
- return -1;
- }
-#endif /* CONFIG_LIBNL20 */
-
- drv->nl80211 = genl_ctrl_search_by_name(drv->nl_cache, "nl80211");
- if (!drv->nl80211) {
- printf("nl80211 not found.\n");
- return -1;
- }
-
-#ifdef CONFIG_IEEE80211N
- if (drv->ht_40mhz_scan) {
- if (nl80211_set_mode(drv, drv->ifname, NL80211_IFTYPE_STATION)
- || hostapd_set_iface_flags(drv, drv->ifname, 1) ||
- i802_ht_scan(drv) ||
- hostapd_set_iface_flags(drv, drv->ifname, 0)) {
- wpa_printf(MSG_ERROR, "Failed to scan channels for "
- "HT 40 MHz operations");
- return -1;
- }
- }
-#endif /* CONFIG_IEEE80211N */
-
- /* Initialise a monitor interface */
- if (nl80211_create_monitor_interface(drv))
- return -1;
-
- if (nl80211_set_mode(drv, drv->ifname, NL80211_IFTYPE_AP))
- goto fail1;
-
- if (hostapd_set_iface_flags(drv, drv->ifname, 1))
- goto fail1;
-
- drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
- if (drv->eapol_sock < 0) {
- perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
- goto fail1;
- }
-
- if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
- {
- printf("Could not register read socket for eapol\n");
- return -1;
- }
-
- memset(&ifr, 0, sizeof(ifr));
- os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
- if (ioctl(drv->ioctl_sock, SIOCGIFHWADDR, &ifr) != 0) {
- perror("ioctl(SIOCGIFHWADDR)");
- goto fail1;
- }
-
- if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
- printf("Invalid HW-addr family 0x%04x\n",
- ifr.ifr_hwaddr.sa_family);
- goto fail1;
- }
- memcpy(drv->hapd->own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
-
- return 0;
-
-fail1:
- nl80211_remove_iface(drv, drv->monitor_ifidx);
- return -1;
-}
-
-
-static int i802_get_inact_sec(void *priv, const u8 *addr)
-{
- struct hostap_sta_driver_data data;
- int ret;
-
- data.inactive_msec = (unsigned long) -1;
- ret = i802_read_sta_data(priv, &data, addr);
- if (ret || data.inactive_msec == (unsigned long) -1)
- return -1;
- return data.inactive_msec / 1000;
-}
-
-
-static int i802_sta_clear_stats(void *priv, const u8 *addr)
-{
-#if 0
- /* TODO */
-#endif
- return 0;
-}
-
-
-static void
-hostapd_wireless_event_wireless_custom(struct wpa_driver_nl80211_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) {
- hostapd_michael_mic_failure(drv->hapd, addr);
- } else {
- wpa_printf(MSG_DEBUG,
- "MLME-MICHAELMICFAILURE.indication "
- "with invalid MAC address");
- }
- }
-}
-
-
-static void hostapd_wireless_event_wireless(struct wpa_driver_nl80211_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_DEBUG, "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 IWEVCUSTOM:
- if (custom + iwe->u.data.length > end)
- return;
- buf = malloc(iwe->u.data.length + 1);
- if (buf == NULL)
- return;
- memcpy(buf, custom, iwe->u.data.length);
- buf[iwe->u.data.length] = '\0';
- hostapd_wireless_event_wireless_custom(drv, buf);
- free(buf);
- break;
- }
-
- pos += iwe->len;
- }
-}
-
-
-static void hostapd_wireless_event_rtm_newlink(struct wpa_driver_nl80211_data *drv,
- struct nlmsghdr *h, int len)
-{
- struct ifinfomsg *ifi;
- int attrlen, _nlmsg_len, rta_len;
- struct rtattr *attr;
-
- if (len < (int) sizeof(*ifi))
- return;
-
- ifi = NLMSG_DATA(h);
-
- /* TODO: use ifi->ifi_index to filter out wireless events from other
- * interfaces */
-
- _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) {
- hostapd_wireless_event_wireless(
- drv, ((char *) attr) + rta_len,
- attr->rta_len - rta_len);
- }
- attr = RTA_NEXT(attr, attrlen);
- }
-}
-
-
-static void hostapd_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 wpa_driver_nl80211_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 >= (int) 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:
- hostapd_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 hostap_get_we_version(struct wpa_driver_nl80211_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->ifname, 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 i802_wireless_event_init(struct wpa_driver_nl80211_data *drv)
-{
- int s;
- struct sockaddr_nl local;
-
- hostap_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, hostapd_wireless_event_receive, drv,
- NULL);
- drv->wext_sock = s;
-
- return 0;
-}
-
-
-static void i802_wireless_event_deinit(struct wpa_driver_nl80211_data *drv)
-{
- if (drv->wext_sock < 0)
- return;
- eloop_unregister_read_sock(drv->wext_sock);
- close(drv->wext_sock);
-}
-
-
-static int i802_sta_deauth(void *priv, const u8 *addr, int reason)
+static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason)
{
struct wpa_driver_nl80211_data *drv = priv;
struct ieee80211_mgmt mgmt;
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
+ memcpy(mgmt.sa, own_addr, ETH_ALEN);
+ memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
- return i802_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.deauth), 0);
+ return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.deauth));
}
-static int i802_sta_disassoc(void *priv, const u8 *addr, int reason)
+static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
+ int reason)
{
struct wpa_driver_nl80211_data *drv = priv;
struct ieee80211_mgmt mgmt;
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DISASSOC);
memcpy(mgmt.da, addr, ETH_ALEN);
- memcpy(mgmt.sa, drv->hapd->own_addr, ETH_ALEN);
- memcpy(mgmt.bssid, drv->hapd->own_addr, ETH_ALEN);
+ memcpy(mgmt.sa, own_addr, ETH_ALEN);
+ memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
- return i802_send_mgmt_frame(drv, &mgmt, IEEE80211_HDRLEN +
- sizeof(mgmt.u.disassoc), 0);
+ return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.disassoc));
}
-static const struct hostapd_neighbor_bss *
-i802_get_neighbor_bss(void *priv, size_t *num)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- *num = drv->num_neighbors;
- return drv->neighbors;
-}
-
-
-static void *i802_init_bssid(struct hostapd_data *hapd, const u8 *bssid)
+static void *i802_init(struct hostapd_data *hapd,
+ struct wpa_init_params *params)
{
struct wpa_driver_nl80211_data *drv;
size_t i;
- drv = os_zalloc(sizeof(struct wpa_driver_nl80211_data));
- if (drv == NULL) {
- printf("Could not allocate memory for i802 driver data\n");
+ drv = wpa_driver_nl80211_init(hapd, params->ifname);
+ if (drv == NULL)
return NULL;
- }
drv->hapd = hapd;
- memcpy(drv->ifname, hapd->conf->iface, sizeof(drv->ifname));
- memcpy(drv->bss.ifname, hapd->conf->iface, sizeof(drv->bss.ifname));
- drv->ifindex = if_nametoindex(drv->ifname);
+ drv->bss.ifindex = drv->ifindex;
drv->num_if_indices = sizeof(drv->default_if_indices) / sizeof(int);
drv->if_indices = drv->default_if_indices;
- for (i = 0; i < hapd->iface->num_bss; i++) {
- struct hostapd_data *bss = hapd->iface->bss[i];
- if (bss->conf->bridge)
- add_ifidx(drv, if_nametoindex(bss->conf->bridge));
+ for (i = 0; i < params->num_bridge; i++) {
+ if (params->bridge[i])
+ add_ifidx(drv, if_nametoindex(params->bridge[i]));
}
- drv->ht_40mhz_scan = hapd->iconf->secondary_channel != 0;
- if (i802_init_sockets(drv, bssid))
- goto failed;
+ /* start listening for EAPOL on the default AP interface */
+ add_ifidx(drv, drv->ifindex);
- if (i802_wireless_event_init(drv))
+ if (hostapd_set_iface_flags(drv, drv->ifname, 0))
goto failed;
- return drv;
-
-failed:
- free(drv);
- return NULL;
-}
-
-
-static void *i802_init(struct hostapd_data *hapd)
-{
- return i802_init_bssid(hapd, NULL);
-}
+ if (params->bssid && set_ifhwaddr(drv, drv->ifname, params->bssid))
+ goto failed;
+ /* Initialise a monitor interface */
+ if (nl80211_create_monitor_interface(drv))
+ goto failed;
-static void i802_deinit(void *priv)
-{
- struct wpa_driver_nl80211_data *drv = priv;
- struct i802_bss *bss, *prev;
+ if (nl80211_set_mode(drv, drv->ifindex, NL80211_IFTYPE_AP)) {
+ wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
+ "into AP mode", drv->ifname);
+ goto failed;
+ }
- i802_wireless_event_deinit(drv);
+ if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ goto failed;
- if (drv->last_freq_ht) {
- /* Clear HT flags from the driver */
- struct hostapd_freq_params freq;
- os_memset(&freq, 0, sizeof(freq));
- freq.freq = drv->last_freq;
- i802_set_freq(priv, &freq);
+ drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
+ if (drv->eapol_sock < 0) {
+ perror("socket(PF_PACKET, SOCK_DGRAM, ETH_P_PAE)");
+ goto failed;
}
- i802_del_beacon(drv);
+ if (eloop_register_read_sock(drv->eapol_sock, handle_eapol, drv, NULL))
+ {
+ printf("Could not register read socket for eapol\n");
+ goto failed;
+ }
- /* remove monitor interface */
- nl80211_remove_iface(drv, drv->monitor_ifidx);
+ if (get_ifhwaddr(drv, drv->ifname, drv->hapd->own_addr))
+ goto failed;
- (void) hostapd_set_iface_flags(drv, drv->ifname, 0);
+ return drv;
- if (drv->monitor_sock >= 0) {
- eloop_unregister_read_sock(drv->monitor_sock);
- close(drv->monitor_sock);
- }
+failed:
+ if (drv->monitor_ifidx >= 0)
+ nl80211_remove_iface(drv, drv->monitor_ifidx);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
- if (drv->eapol_sock >= 0) {
- eloop_unregister_read_sock(drv->eapol_sock);
- close(drv->eapol_sock);
- }
genl_family_put(drv->nl80211);
nl_cache_free(drv->nl_cache);
nl_handle_destroy(drv->nl_handle);
nl_cb_put(drv->nl_cb);
- if (drv->if_indices != drv->default_if_indices)
- free(drv->if_indices);
-
- os_free(drv->neighbors);
+ os_free(drv);
+ return NULL;
+}
- bss = drv->bss.next;
- while (bss) {
- prev = bss;
- bss = bss->next;
- os_free(bss);
- }
- free(drv);
+static void i802_deinit(void *priv)
+{
+ wpa_driver_nl80211_deinit(priv);
}
#endif /* HOSTAPD */
.get_capa = wpa_driver_nl80211_get_capa,
.set_operstate = wpa_driver_nl80211_set_operstate,
.set_country = wpa_driver_nl80211_set_country,
+ .set_mode = wpa_driver_nl80211_set_mode,
#ifdef CONFIG_AP
.set_beacon = wpa_driver_nl80211_set_beacon,
- .set_beacon_int = wpa_driver_nl80211_set_beacon_int,
- .send_mlme = wpa_driver_nl80211_send_mlme,
#endif /* CONFIG_AP */
#if defined(CONFIG_AP) || defined(HOSTAPD)
+ .send_mlme = wpa_driver_nl80211_send_mlme,
+ .set_beacon_int = wpa_driver_nl80211_set_beacon_int,
.get_hw_feature_data = wpa_driver_nl80211_get_hw_feature_data,
#endif /* CONFIG_AP || HOSTAPD */
#ifdef HOSTAPD
.hapd_init = i802_init,
- .init_bssid = i802_init_bssid,
.hapd_deinit = i802_deinit,
.hapd_set_key = i802_set_key,
.get_seqnum = i802_get_seqnum,
.sta_deauth = i802_sta_deauth,
.sta_disassoc = i802_sta_disassoc,
.sta_remove = i802_sta_remove,
- .send_mgmt_frame = i802_send_mgmt_frame,
.sta_add = i802_sta_add,
.get_inact_sec = i802_get_inact_sec,
.sta_clear_stats = i802_sta_clear_stats,
.set_retry = i802_set_retry,
.set_rate_sets = i802_set_rate_sets,
.hapd_set_beacon = i802_set_beacon,
- .hapd_set_beacon_int = i802_set_beacon_int,
.set_cts_protect = i802_set_cts_protect,
.set_preamble = i802_set_preamble,
.set_short_slot_time = i802_set_short_slot_time,
.if_update = i802_if_update,
.if_remove = i802_if_remove,
.set_sta_vlan = i802_set_sta_vlan,
- .hapd_set_country = i802_set_country,
- .get_neighbor_bss = i802_get_neighbor_bss,
#endif /* HOSTAPD */
};
projects / wpasupplicant / blobdiff