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05ca2b606a
openwrt/package/hostapd/patches/150-mbss_driver_handling.patch
Felix Fietkau 4c776cf093 hostapd: fix a segfault in the error path of the nl80211 bss interface add function 
SVN-Revision: 19496
2010-02-02 02:51:06 +00:00

1116 lines
36 KiB
Diff
Raw Blame History

--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -59,8 +59,10 @@
#endif
struct i802_bss {
+ struct wpa_driver_nl80211_data *drv;
struct i802_bss *next;
int ifindex;
+ char ifname[IFNAMSIZ + 1];
unsigned int beacon_set:1;
};
@@ -68,7 +70,6 @@ struct wpa_driver_nl80211_data {
void *ctx;
struct netlink_data *netlink;
int ioctl_sock; /* socket for ioctl() use */
- char ifname[IFNAMSIZ + 1];
char brname[IFNAMSIZ];
int ifindex;
int if_removed;
@@ -107,6 +108,8 @@ struct wpa_driver_nl80211_data {
u64 remain_on_chan_cookie;
+ struct i802_bss first_bss;
+
#ifdef HOSTAPD
int eapol_sock; /* socket for EAPOL frames */
@@ -114,8 +117,6 @@ struct wpa_driver_nl80211_data {
int *if_indices;
int num_if_indices;
- struct i802_bss bss;
-
int last_freq;
int last_freq_ht;
#endif /* HOSTAPD */
@@ -135,8 +136,6 @@ static void nl80211_remove_monitor_inter
#ifdef HOSTAPD
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 int i802_set_freq(void *priv, struct hostapd_freq_params *freq);
static int wpa_driver_nl80211_if_remove(void *priv,
enum wpa_driver_if_type type,
@@ -278,7 +277,8 @@ nla_put_failure:
static int wpa_driver_nl80211_get_bssid(void *priv, u8 *bssid)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (!drv->associated)
return -1;
os_memcpy(bssid, drv->bssid, ETH_ALEN);
@@ -288,7 +288,8 @@ static int wpa_driver_nl80211_get_bssid(
static int wpa_driver_nl80211_get_ssid(void *priv, u8 *ssid)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (!drv->associated)
return -1;
os_memcpy(ssid, drv->ssid, drv->ssid_len);
@@ -313,7 +314,7 @@ static void wpa_driver_nl80211_event_lin
event.interface_status.ifname,
del ? "removed" : "added");
- if (os_strcmp(drv->ifname, event.interface_status.ifname) == 0) {
+ if (os_strcmp(drv->first_bss.ifname, event.interface_status.ifname) == 0) {
if (del)
drv->if_removed = 1;
else
@@ -336,7 +337,7 @@ static int wpa_driver_nl80211_own_ifname
rta_len = RTA_ALIGN(sizeof(struct rtattr));
while (RTA_OK(attr, attrlen)) {
if (attr->rta_type == IFLA_IFNAME) {
- if (os_strcmp(((char *) attr) + rta_len, drv->ifname)
+ if (os_strcmp(((char *) attr) + rta_len, drv->first_bss.ifname)
== 0)
return 1;
else
@@ -356,7 +357,7 @@ static int wpa_driver_nl80211_own_ifinde
return 1;
if (drv->if_removed && wpa_driver_nl80211_own_ifname(drv, buf, len)) {
- drv->ifindex = if_nametoindex(drv->ifname);
+ drv->first_bss.ifindex = if_nametoindex(drv->first_bss.ifname);
wpa_printf(MSG_DEBUG, "nl80211: Update ifindex for a removed "
"interface");
wpa_driver_nl80211_finish_drv_init(drv);
@@ -785,7 +786,7 @@ static int process_event(struct nl_msg *
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);
+ wpa_driver_nl80211_set_mode(&drv->first_bss, IEEE80211_MODE_AP);
drv->ap_scan_as_station = 0;
}
@@ -889,7 +890,8 @@ static void wpa_driver_nl80211_event_rec
*/
static int wpa_driver_nl80211_set_country(void *priv, const char *alpha2_arg)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
char alpha2[3];
struct nl_msg *msg;
@@ -978,7 +980,7 @@ static int wpa_driver_nl80211_get_info(s
genlmsg_put(msg, 0, 0, genl_family_get_id(drv->nl80211), 0,
0, NL80211_CMD_GET_WIPHY, 0);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->ifindex);
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, drv->first_bss.ifindex);
if (send_and_recv_msgs(drv, msg, wiphy_info_handler, info) == 0)
return 0;
@@ -1152,15 +1154,18 @@ static void * wpa_driver_nl80211_init(vo
{
struct wpa_driver_nl80211_data *drv;
struct netlink_config *cfg;
+ struct i802_bss *bss;
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
drv->ctx = ctx;
- os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+ bss = &drv->first_bss;
+ os_strlcpy(bss->ifname, ifname, sizeof(bss->ifname));
drv->monitor_ifidx = -1;
drv->monitor_sock = -1;
drv->ioctl_sock = -1;
+ drv->first_bss.drv = drv;
if (wpa_driver_nl80211_init_nl(drv, ctx)) {
os_free(drv);
@@ -1187,7 +1192,7 @@ static void * wpa_driver_nl80211_init(vo
if (wpa_driver_nl80211_finish_drv_init(drv))
goto failed;
- return drv;
+ return bss;
failed:
netlink_deinit(drv->netlink);
@@ -1207,17 +1212,19 @@ failed:
static int
wpa_driver_nl80211_finish_drv_init(struct wpa_driver_nl80211_data *drv)
{
- drv->ifindex = if_nametoindex(drv->ifname);
+ struct i802_bss *bss = &drv->first_bss;
+
+ drv->ifindex = if_nametoindex(drv->first_bss.ifname);
#ifndef HOSTAPD
- if (wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA) < 0) {
+ if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA) < 0) {
wpa_printf(MSG_DEBUG, "nl80211: Could not configure driver to "
"use managed mode");
}
- if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1)) {
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1)) {
wpa_printf(MSG_ERROR, "Could not set interface '%s' UP",
- drv->ifname);
+ bss->ifname);
return -1;
}
@@ -1232,20 +1239,6 @@ wpa_driver_nl80211_finish_drv_init(struc
}
-#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 */
-
-
static int wpa_driver_nl80211_del_beacon(struct wpa_driver_nl80211_data *drv)
{
struct nl_msg *msg;
@@ -1273,14 +1266,15 @@ static int wpa_driver_nl80211_del_beacon
*/
static void wpa_driver_nl80211_deinit(void *priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (drv->added_if_into_bridge) {
- if (linux_br_del_if(drv->ioctl_sock, drv->brname, drv->ifname)
+ if (linux_br_del_if(drv->ioctl_sock, drv->brname, bss->ifname)
< 0)
wpa_printf(MSG_INFO, "nl80211: Failed to remove "
"interface %s from bridge %s: %s",
- drv->ifname, drv->brname, strerror(errno));
+ bss->ifname, drv->brname, strerror(errno));
}
if (drv->added_bridge) {
if (linux_br_del(drv->ioctl_sock, drv->brname) < 0)
@@ -1310,8 +1304,6 @@ static void wpa_driver_nl80211_deinit(vo
if (drv->if_indices != drv->default_if_indices)
os_free(drv->if_indices);
-
- wpa_driver_nl80211_free_bss(drv);
#endif /* HOSTAPD */
if (drv->disable_11b_rates)
@@ -1322,8 +1314,8 @@ static void wpa_driver_nl80211_deinit(vo
eloop_cancel_timeout(wpa_driver_nl80211_scan_timeout, drv, drv->ctx);
- (void) linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0);
- wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA);
+ (void) linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0);
+ wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_INFRA);
if (drv->ioctl_sock >= 0)
close(drv->ioctl_sock);
@@ -1355,7 +1347,7 @@ static void wpa_driver_nl80211_scan_time
{
struct wpa_driver_nl80211_data *drv = eloop_ctx;
if (drv->ap_scan_as_station) {
- wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP);
+ wpa_driver_nl80211_set_mode(&drv->first_bss, IEEE80211_MODE_AP);
drv->ap_scan_as_station = 0;
}
wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
@@ -1372,7 +1364,8 @@ static void wpa_driver_nl80211_scan_time
static int wpa_driver_nl80211_scan(void *priv,
struct wpa_driver_scan_params *params)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = 0, timeout;
struct nl_msg *msg, *ssids, *freqs;
size_t i;
@@ -1421,12 +1414,12 @@ static int wpa_driver_nl80211_scan(void
* mac80211 does not allow scan requests in AP mode, so
* try to do this in station mode.
*/
- if (wpa_driver_nl80211_set_mode(drv,
+ if (wpa_driver_nl80211_set_mode(bss,
IEEE80211_MODE_INFRA))
goto nla_put_failure;
if (wpa_driver_nl80211_scan(drv, params)) {
- wpa_driver_nl80211_set_mode(drv,
+ wpa_driver_nl80211_set_mode(bss,
IEEE80211_MODE_AP);
goto nla_put_failure;
}
@@ -1662,7 +1655,8 @@ static void wpa_scan_results_free(struct
static struct wpa_scan_results *
wpa_driver_nl80211_get_scan_results(void *priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct wpa_scan_results *res;
int ret;
@@ -1701,7 +1695,8 @@ static int wpa_driver_nl80211_set_key(co
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ifindex = if_nametoindex(ifname);
struct nl_msg *msg;
int ret;
@@ -1958,7 +1953,8 @@ static int wpa_driver_nl80211_disconnect
static int wpa_driver_nl80211_deauthenticate(void *priv, const u8 *addr,
int reason_code)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
wpa_printf(MSG_DEBUG, "%s", __func__);
@@ -1971,7 +1967,8 @@ static int wpa_driver_nl80211_deauthenti
static int wpa_driver_nl80211_disassociate(void *priv, const u8 *addr,
int reason_code)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME))
return wpa_driver_nl80211_disconnect(drv, addr, reason_code);
wpa_printf(MSG_DEBUG, "%s", __func__);
@@ -1984,7 +1981,8 @@ static int wpa_driver_nl80211_disassocia
static int wpa_driver_nl80211_authenticate(
void *priv, struct wpa_driver_auth_params *params)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1, i;
struct nl_msg *msg;
enum nl80211_auth_type type;
@@ -1996,7 +1994,7 @@ static int wpa_driver_nl80211_authentica
if (drv->nlmode != NL80211_IFTYPE_STATION)
wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA);
- if (wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA) < 0)
+ if (wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA) < 0)
return -1;
retry:
@@ -2013,7 +2011,7 @@ retry:
for (i = 0; i < 4; i++) {
if (!params->wep_key[i])
continue;
- wpa_driver_nl80211_set_key(drv->ifname, drv, WPA_ALG_WEP, NULL,
+ wpa_driver_nl80211_set_key(bss->ifname, drv, WPA_ALG_WEP, NULL,
i,
i == params->wep_tx_keyidx, NULL, 0,
params->wep_key[i],
@@ -2348,7 +2346,8 @@ wpa_driver_nl80211_add_11b(struct hostap
static struct hostapd_hw_modes *
wpa_driver_nl80211_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct phy_info_arg result = {
.num_modes = num_modes,
@@ -2417,7 +2416,8 @@ static int wpa_driver_nl80211_send_frame
static int wpa_driver_nl80211_send_mlme(void *priv, const u8 *data,
size_t data_len)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct ieee80211_mgmt *mgmt;
int encrypt = 1;
u16 fc;
@@ -2448,23 +2448,15 @@ static int wpa_driver_nl80211_set_beacon
const u8 *tail, size_t tail_len,
int dtim_period, int beacon_int)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
u8 cmd = NL80211_CMD_NEW_BEACON;
int ret;
int beacon_set;
int ifindex = if_nametoindex(ifname);
-#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;
@@ -2487,11 +2479,7 @@ static int wpa_driver_nl80211_set_beacon
wpa_printf(MSG_DEBUG, "nl80211: Beacon set failed: %d (%s)",
ret, strerror(-ret));
} else {
-#ifdef HOSTAPD
bss->beacon_set = 1;
-#else /* HOSTAPD */
- drv->beacon_set = 1;
-#endif /* HOSTAPD */
}
return ret;
nla_put_failure:
@@ -2545,7 +2533,8 @@ nla_put_failure:
static int wpa_driver_nl80211_sta_add(const char *ifname, void *priv,
struct hostapd_sta_add_params *params)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret = -ENOBUFS;
@@ -2582,7 +2571,8 @@ static int wpa_driver_nl80211_sta_add(co
static int wpa_driver_nl80211_sta_remove(void *priv, const u8 *addr)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret;
@@ -2594,7 +2584,7 @@ static int wpa_driver_nl80211_sta_remove
0, NL80211_CMD_DEL_STATION, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
+ if_nametoindex(bss->ifname));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
ret = send_and_recv_msgs(drv, msg, NULL, NULL);
@@ -3032,7 +3022,7 @@ nl80211_create_monitor_interface(struct
int optval;
socklen_t optlen;
- snprintf(buf, IFNAMSIZ, "mon.%s", drv->ifname);
+ snprintf(buf, IFNAMSIZ, "mon.%s", drv->first_bss.ifname);
buf[IFNAMSIZ - 1] = '\0';
drv->monitor_ifidx =
@@ -3092,7 +3082,8 @@ static int wpa_driver_nl80211_hapd_send_
void *priv, const u8 *addr, const u8 *data,
size_t data_len, int encrypt, const u8 *own_addr)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct ieee80211_hdr *hdr;
size_t len;
u8 *pos;
@@ -3177,7 +3168,8 @@ static int wpa_driver_nl80211_sta_set_fl
int total_flags, int flags_or,
int flags_and)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg, *flags = NULL;
struct nl80211_sta_flag_update upd;
@@ -3195,7 +3187,7 @@ static int wpa_driver_nl80211_sta_set_fl
0, NL80211_CMD_SET_STATION, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
+ if_nametoindex(bss->ifname));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
/*
@@ -3234,7 +3226,7 @@ static int wpa_driver_nl80211_sta_set_fl
static int wpa_driver_nl80211_ap(struct wpa_driver_nl80211_data *drv,
struct wpa_driver_associate_params *params)
{
- if (wpa_driver_nl80211_set_mode(drv, params->mode) ||
+ if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode) ||
wpa_driver_nl80211_set_freq(drv, params->freq, 0, 0)) {
nl80211_remove_monitor_interface(drv);
return -1;
@@ -3285,7 +3277,7 @@ static int wpa_driver_nl80211_ibss(struc
wpa_printf(MSG_DEBUG, "nl80211: Join IBSS (ifindex=%d)", drv->ifindex);
- if (wpa_driver_nl80211_set_mode(drv, params->mode)) {
+ if (wpa_driver_nl80211_set_mode(&drv->first_bss, params->mode)) {
wpa_printf(MSG_INFO, "nl80211: Failed to set interface into "
"IBSS mode");
return -1;
@@ -3499,7 +3491,8 @@ nla_put_failure:
static int wpa_driver_nl80211_associate(
void *priv, struct wpa_driver_associate_params *params)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1;
struct nl_msg *msg;
@@ -3510,7 +3503,7 @@ static int wpa_driver_nl80211_associate(
return wpa_driver_nl80211_ibss(drv, params);
if (!(drv->capa.flags & WPA_DRIVER_FLAGS_SME)) {
- if (wpa_driver_nl80211_set_mode(drv, params->mode) < 0)
+ if (wpa_driver_nl80211_set_mode(priv, params->mode) < 0)
return -1;
return wpa_driver_nl80211_connect(drv, params);
}
@@ -3611,7 +3604,8 @@ nla_put_failure:
static int wpa_driver_nl80211_set_mode(void *priv, int mode)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ret = -1;
int nlmode;
@@ -3646,10 +3640,10 @@ static int wpa_driver_nl80211_set_mode(v
* take the device down, try to set the mode again, and bring the
* device back up.
*/
- if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0) == 0) {
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0) == 0) {
/* Try to set the mode again while the interface is down */
ret = nl80211_set_mode(drv, drv->ifindex, nlmode);
- if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1))
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
ret = -1;
}
@@ -3684,7 +3678,8 @@ done:
static int wpa_driver_nl80211_get_capa(void *priv,
struct wpa_driver_capa *capa)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (!drv->has_capability)
return -1;
os_memcpy(capa, &drv->capa, sizeof(*capa));
@@ -3694,7 +3689,8 @@ static int wpa_driver_nl80211_get_capa(v
static int wpa_driver_nl80211_set_operstate(void *priv, int state)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
wpa_printf(MSG_DEBUG, "%s: operstate %d->%d (%s)",
__func__, drv->operstate, state, state ? "UP" : "DORMANT");
@@ -3706,7 +3702,8 @@ static int wpa_driver_nl80211_set_operst
static int wpa_driver_nl80211_set_supp_port(void *priv, int authorized)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct nl80211_sta_flag_update upd;
@@ -3718,7 +3715,7 @@ static int wpa_driver_nl80211_set_supp_p
0, NL80211_CMD_SET_STATION, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
+ if_nametoindex(bss->ifname));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, drv->bssid);
os_memset(&upd, 0, sizeof(upd));
@@ -3735,20 +3732,6 @@ static int wpa_driver_nl80211_set_supp_p
#ifdef HOSTAPD
-static struct i802_bss * get_bss(struct wpa_driver_nl80211_data *drv,
- int ifindex)
-{
- struct i802_bss *bss = &drv->bss;
- while (bss) {
- if (ifindex == bss->ifindex)
- return bss;
- bss = bss->next;
- }
- wpa_printf(MSG_DEBUG, "nl80211: get_bss(%d) failed", ifindex);
- return NULL;
-}
-
-
static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx)
{
int i;
@@ -3842,7 +3825,8 @@ static int get_key_handler(struct nl_msg
static int i802_get_seqnum(const char *iface, void *priv, const u8 *addr,
int idx, u8 *seq)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
msg = nlmsg_alloc();
@@ -3868,7 +3852,8 @@ static int i802_get_seqnum(const char *i
static int i802_set_rate_sets(void *priv, int *supp_rates, int *basic_rates,
int mode)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
u8 rates[NL80211_MAX_SUPP_RATES];
u8 rates_len = 0;
@@ -3887,7 +3872,7 @@ static int i802_set_rate_sets(void *priv
NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, rates_len, rates);
/* TODO: multi-BSS support */
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
return send_and_recv_msgs(drv, msg, NULL, NULL);
nla_put_failure:
@@ -3898,7 +3883,8 @@ static int i802_set_rate_sets(void *priv
/* Set kernel driver on given frequency (MHz) */
static int i802_set_freq(void *priv, struct hostapd_freq_params *freq)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
return wpa_driver_nl80211_set_freq(drv, freq->freq, freq->ht_enabled,
freq->sec_channel_offset);
}
@@ -3906,7 +3892,8 @@ static int i802_set_freq(void *priv, str
static int i802_set_rts(void *priv, int rts)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret = -ENOBUFS;
u32 val;
@@ -3937,7 +3924,8 @@ nla_put_failure:
static int i802_set_frag(void *priv, int frag)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret = -ENOBUFS;
u32 val;
@@ -3968,7 +3956,8 @@ nla_put_failure:
static int i802_flush(void *priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
msg = nlmsg_alloc();
@@ -3982,7 +3971,7 @@ static int i802_flush(void *priv)
* XXX: FIX! this needs to flush all VLANs too
*/
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
+ if_nametoindex(bss->ifname));
return send_and_recv_msgs(drv, msg, NULL, NULL);
nla_put_failure:
@@ -4044,7 +4033,8 @@ static int get_sta_handler(struct nl_msg
static int i802_read_sta_data(void *priv, struct hostap_sta_driver_data *data,
const u8 *addr)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
os_memset(data, 0, sizeof(*data));
@@ -4056,7 +4046,7 @@ static int i802_read_sta_data(void *priv
0, NL80211_CMD_GET_STATION, 0);
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
return send_and_recv_msgs(drv, msg, get_sta_handler, data);
nla_put_failure:
@@ -4067,7 +4057,8 @@ static int i802_read_sta_data(void *priv
static int i802_set_tx_queue_params(void *priv, int queue, int aifs,
int cw_min, int cw_max, int burst_time)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
struct nlattr *txq, *params;
@@ -4078,7 +4069,7 @@ static int i802_set_tx_queue_params(void
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_IFINDEX, if_nametoindex(bss->ifname));
txq = nla_nest_start(msg, NL80211_ATTR_WIPHY_TXQ_PARAMS);
if (!txq)
@@ -4110,7 +4101,8 @@ static int i802_set_tx_queue_params(void
static int i802_set_bss(void *priv, int cts, int preamble, int slot)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
msg = nlmsg_alloc();
@@ -4128,7 +4120,7 @@ static int i802_set_bss(void *priv, int
NLA_PUT_U8(msg, NL80211_ATTR_BSS_SHORT_SLOT_TIME, slot);
/* TODO: multi-BSS support */
- NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(drv->ifname));
+ NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, if_nametoindex(bss->ifname));
return send_and_recv_msgs(drv, msg, NULL, NULL);
nla_put_failure:
@@ -4157,7 +4149,8 @@ static int i802_set_short_slot_time(void
static int i802_set_sta_vlan(void *priv, const u8 *addr,
const char *ifname, int vlan_id)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
msg = nlmsg_alloc();
@@ -4168,7 +4161,7 @@ static int i802_set_sta_vlan(void *priv,
0, NL80211_CMD_SET_STATION, 0);
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX,
- if_nametoindex(drv->ifname));
+ if_nametoindex(bss->ifname));
NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, addr);
NLA_PUT_U32(msg, NL80211_ATTR_STA_VLAN,
if_nametoindex(ifname));
@@ -4181,18 +4174,19 @@ static int i802_set_sta_vlan(void *priv,
static int i802_set_wds_sta(void *priv, const u8 *addr, int aid, int val)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
char name[16];
- os_snprintf(name, sizeof(name), "%s.sta%d", drv->ifname, aid);
+ os_snprintf(name, sizeof(name), "%s.sta%d", bss->ifname, aid);
if (val) {
- if (nl80211_create_iface(priv, name, NL80211_IFTYPE_AP_VLAN,
+ if (nl80211_create_iface(drv, name, NL80211_IFTYPE_AP_VLAN,
NULL, 1) < 0)
return -1;
linux_set_iface_flags(drv->ioctl_sock, name, 1);
return i802_set_sta_vlan(priv, addr, name, 0);
} else {
- i802_set_sta_vlan(priv, addr, drv->ifname, 0);
+ i802_set_sta_vlan(priv, addr, bss->ifname, 0);
return wpa_driver_nl80211_if_remove(priv, WPA_IF_AP_VLAN,
name);
}
@@ -4244,7 +4238,8 @@ static int i802_sta_clear_stats(void *pr
static int i802_sta_deauth(void *priv, const u8 *own_addr, const u8 *addr,
int reason)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct ieee80211_mgmt mgmt;
memset(&mgmt, 0, sizeof(mgmt));
@@ -4254,7 +4249,7 @@ static int i802_sta_deauth(void *priv, c
memcpy(mgmt.sa, own_addr, ETH_ALEN);
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
- return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
+ return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.deauth));
}
@@ -4263,7 +4258,8 @@ static int i802_sta_deauth(void *priv, c
static int i802_sta_disassoc(void *priv, const u8 *own_addr, const u8 *addr,
int reason)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct ieee80211_mgmt mgmt;
memset(&mgmt, 0, sizeof(mgmt));
@@ -4273,7 +4269,7 @@ static int i802_sta_disassoc(void *priv,
memcpy(mgmt.sa, own_addr, ETH_ALEN);
memcpy(mgmt.bssid, own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
- return wpa_driver_nl80211_send_mlme(drv, (u8 *) &mgmt,
+ return wpa_driver_nl80211_send_mlme(bss, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.disassoc));
}
@@ -4335,17 +4331,17 @@ static void *i802_init(struct hostapd_da
struct wpa_init_params *params)
{
struct wpa_driver_nl80211_data *drv;
+ struct i802_bss *bss;
size_t i;
char brname[IFNAMSIZ];
int ifindex, br_ifindex;
int br_added = 0;
- drv = wpa_driver_nl80211_init(hapd, params->ifname);
- if (drv == NULL)
+ bss = wpa_driver_nl80211_init(hapd, params->ifname);
+ if (bss == NULL)
return NULL;
- drv->bss.ifindex = drv->ifindex;
-
+ drv = bss->drv;
if (linux_br_get(brname, params->ifname) == 0) {
wpa_printf(MSG_DEBUG, "nl80211: Interface %s is in bridge %s",
params->ifname, brname);
@@ -4373,18 +4369,18 @@ static void *i802_init(struct hostapd_da
/* start listening for EAPOL on the default AP interface */
add_ifidx(drv, drv->ifindex);
- if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 0))
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 0))
goto failed;
if (params->bssid) {
- if (linux_set_ifhwaddr(drv->ioctl_sock, drv->ifname,
+ if (linux_set_ifhwaddr(drv->ioctl_sock, bss->ifname,
params->bssid))
goto failed;
}
- if (wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_AP)) {
+ if (wpa_driver_nl80211_set_mode(bss, IEEE80211_MODE_AP)) {
wpa_printf(MSG_ERROR, "nl80211: Failed to set interface %s "
- "into AP mode", drv->ifname);
+ "into AP mode", bss->ifname);
goto failed;
}
@@ -4392,7 +4388,7 @@ static void *i802_init(struct hostapd_da
i802_check_bridge(drv, params->bridge[0], params->ifname) < 0)
goto failed;
- if (linux_set_iface_flags(drv->ioctl_sock, drv->ifname, 1))
+ if (linux_set_iface_flags(drv->ioctl_sock, bss->ifname, 1))
goto failed;
drv->eapol_sock = socket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_PAE));
@@ -4407,10 +4403,10 @@ static void *i802_init(struct hostapd_da
goto failed;
}
- if (linux_get_ifhwaddr(drv->ioctl_sock, drv->ifname, params->own_addr))
+ if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, params->own_addr))
goto failed;
- return drv;
+ return bss;
failed:
nl80211_remove_monitor_interface(drv);
@@ -4453,27 +4449,30 @@ static enum nl80211_iftype wpa_driver_nl
static int wpa_driver_nl80211_if_add(const char *iface, void *priv,
enum wpa_driver_if_type type,
const char *ifname, const u8 *addr,
- void *bss_ctx)
+ void *bss_ctx, void **drv_priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ifidx;
#ifdef HOSTAPD
- struct i802_bss *bss = NULL;
+ struct i802_bss *new_bss = NULL;
if (type == WPA_IF_AP_BSS) {
- bss = os_zalloc(sizeof(*bss));
- if (bss == NULL)
+ new_bss = os_zalloc(sizeof(*new_bss));
+ if (new_bss == NULL)
return -1;
}
-#endif /* HOSTAPD */
+#endif
ifidx = nl80211_create_iface(drv, ifname,
wpa_driver_nl80211_if_type(type), addr,
0);
+
if (ifidx < 0) {
#ifdef HOSTAPD
- os_free(bss);
-#endif /* HOSTAPD */
+ if (type == WPA_IF_AP_BSS)
+ os_free(new_bss);
+#endif
return -1;
}
@@ -4481,12 +4480,15 @@ static int wpa_driver_nl80211_if_add(con
if (type == WPA_IF_AP_BSS) {
if (linux_set_iface_flags(drv->ioctl_sock, ifname, 1)) {
nl80211_remove_iface(drv, ifidx);
- os_free(bss);
+ os_free(new_bss);
return -1;
}
- bss->ifindex = ifidx;
- bss->next = drv->bss.next;
- drv->bss.next = bss;
+ strncpy(new_bss->ifname, ifname, IFNAMSIZ);
+ new_bss->ifindex = ifidx;
+ new_bss->drv = drv;
+ new_bss->next = drv->first_bss.next;
+ drv->first_bss.next = new_bss;
+ *drv_priv = new_bss;
}
#endif /* HOSTAPD */
@@ -4498,27 +4500,27 @@ static int wpa_driver_nl80211_if_remove(
enum wpa_driver_if_type type,
const char *ifname)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
int ifindex = if_nametoindex(ifname);
nl80211_remove_iface(drv, ifindex);
-#ifdef HOSTAPD
- if (type == WPA_IF_AP_BSS) {
- struct i802_bss *bss, *prev;
- prev = &drv->bss;
- bss = drv->bss.next;
- while (bss) {
- if (ifindex == bss->ifindex) {
- prev->next = bss->next;
- os_free(bss);
- break;
- }
- prev = bss;
- bss = bss->next;
+ if (type != WPA_IF_AP_BSS)
+ return 0;
+
+ if (bss != &drv->first_bss) {
+ struct i802_bss *tbss = &drv->first_bss;
+
+ while (tbss) {
+ if (tbss->next != bss)
+ continue;
+
+ tbss->next = bss->next;
+ os_free(bss);
+ break;
}
}
-#endif /* HOSTAPD */
return 0;
}
@@ -4540,7 +4542,8 @@ static int cookie_handler(struct nl_msg
static int wpa_driver_nl80211_remain_on_channel(void *priv, unsigned int freq,
unsigned int duration)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret;
u64 cookie;
@@ -4574,7 +4577,8 @@ nla_put_failure:
static int wpa_driver_nl80211_cancel_remain_on_channel(void *priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
struct nl_msg *msg;
int ret;
@@ -4629,7 +4633,8 @@ static void wpa_driver_nl80211_probe_req
static int wpa_driver_nl80211_probe_req_report(void *priv, int report)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (drv->nlmode != NL80211_IFTYPE_STATION) {
wpa_printf(MSG_DEBUG, "nl80211: probe_req_report control only "
@@ -4666,9 +4671,10 @@ static int wpa_driver_nl80211_probe_req_
static int wpa_driver_nl80211_alloc_interface_addr(void *priv, u8 *addr)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
- if (linux_get_ifhwaddr(drv->ioctl_sock, drv->ifname, addr) < 0)
+ if (linux_get_ifhwaddr(drv->ioctl_sock, bss->ifname, addr) < 0)
return -1;
if (addr[0] & 0x02) {
@@ -4738,7 +4744,8 @@ nla_put_failure:
static int wpa_driver_nl80211_disable_11b_rates(void *priv, int disabled)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
drv->disable_11b_rates = disabled;
return nl80211_disable_11b_rates(drv, drv->ifindex, disabled);
}
@@ -4746,11 +4753,12 @@ static int wpa_driver_nl80211_disable_11
static int wpa_driver_nl80211_deinit_ap(void *priv)
{
- struct wpa_driver_nl80211_data *drv = priv;
+ struct i802_bss *bss = priv;
+ struct wpa_driver_nl80211_data *drv = bss->drv;
if (drv->nlmode != NL80211_IFTYPE_AP)
return -1;
wpa_driver_nl80211_del_beacon(drv);
- return wpa_driver_nl80211_set_mode(drv, IEEE80211_MODE_INFRA);
+ return wpa_driver_nl80211_set_mode(priv, IEEE80211_MODE_INFRA);
}
--- a/src/drivers/driver.h
+++ b/src/drivers/driver.h
@@ -1472,11 +1472,12 @@ struct wpa_driver_ops {
* @addr: Local address to use for the interface or %NULL to use the
* parent interface address
* @bss_ctx: BSS context for %WPA_IF_AP_BSS interfaces
+ * @drv_priv: Pointer for overwriting the driver context
* Returns: 0 on success, -1 on failure
*/
int (*if_add)(const char *iface, void *priv,
enum wpa_driver_if_type type, const char *ifname,
- const u8 *addr, void *bss_ctx);
+ const u8 *addr, void *bss_ctx, void **drv_priv);
/**
* if_remove - Remove a virtual interface
--- a/src/drivers/driver_test.c
+++ b/src/drivers/driver_test.c
@@ -1030,7 +1030,7 @@ static int test_driver_bss_remove(void *
static int test_driver_if_add(const char *iface, void *priv,
enum wpa_driver_if_type type, const char *ifname,
- const u8 *addr, void *bss_ctx)
+ const u8 *addr, void *bss_ctx, void **drv_priv)
{
wpa_printf(MSG_DEBUG, "%s(iface=%s type=%d ifname=%s bss_ctx=%p)",
__func__, iface, type, ifname, bss_ctx);
--- a/src/ap/ap_drv_ops.c
+++ b/src/ap/ap_drv_ops.c
@@ -242,7 +242,8 @@ static int hostapd_set_beacon(const char
static int hostapd_vlan_if_add(struct hostapd_data *hapd, const char *ifname)
{
- return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, NULL, NULL);
+ return hostapd_if_add(hapd, WPA_IF_AP_VLAN, ifname, NULL, NULL,
+ &hapd->drv_priv);
}
static int hostapd_vlan_if_remove(struct hostapd_data *hapd,
@@ -407,12 +408,13 @@ int hostapd_set_ssid(struct hostapd_data
int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
- const char *ifname, const u8 *addr, void *bss_ctx)
+ const char *ifname, const u8 *addr, void *bss_ctx,
+ void **drv_priv)
{
if (hapd->driver == NULL || hapd->driver->if_add == NULL)
return -1;
return hapd->driver->if_add(hapd->conf->iface, hapd->drv_priv, type,
- ifname, addr, bss_ctx);
+ ifname, addr, bss_ctx, drv_priv);
}
--- a/src/ap/ap_drv_ops.h
+++ b/src/ap/ap_drv_ops.h
@@ -26,7 +26,8 @@ int hostapd_set_generic_elem(struct host
int hostapd_get_ssid(struct hostapd_data *hapd, u8 *buf, size_t len);
int hostapd_set_ssid(struct hostapd_data *hapd, const u8 *buf, size_t len);
int hostapd_if_add(struct hostapd_data *hapd, enum wpa_driver_if_type type,
- const char *ifname, const u8 *addr, void *bss_ctx);
+ const char *ifname, const u8 *addr, void *bss_ctx,
+ void **drv_priv);
int hostapd_if_remove(struct hostapd_data *hapd, enum wpa_driver_if_type type,
const char *ifname);
int hostapd_set_ieee8021x(struct hostapd_data *hapd,
--- a/src/ap/hostapd.c
+++ b/src/ap/hostapd.c
@@ -484,7 +484,8 @@ static int hostapd_setup_bss(struct host
hapd->interface_added = 1;
if (hostapd_if_add(hapd->iface->bss[0], WPA_IF_AP_BSS,
- hapd->conf->iface, hapd->own_addr, hapd)) {
+ hapd->conf->iface, hapd->own_addr, hapd,
+ &hapd->drv_priv)) {
wpa_printf(MSG_ERROR, "Failed to add BSS (BSSID="
MACSTR ")", MAC2STR(hapd->own_addr));
return -1;
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