u8 *buf, size_t len,
struct hostapd_frame_info *hfi,
enum ieee80211_msg_type msg_type);
+static void add_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
+static void del_ifidx(struct wpa_driver_nl80211_data *drv, int ifidx);
#endif /* HOSTAPD */
}
-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);
-}
-
-static int wpa_driver_nl80211_set_ifflags_ifname(
- struct wpa_driver_nl80211_data *drv,
- const char *ifname, int flags)
-{
- struct ifreq ifr;
+ 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;
+ }
- 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;
}
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) {
"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);
static void wpa_driver_nl80211_deinit(void *priv)
{
struct wpa_driver_nl80211_data *drv = priv;
- int flags;
#ifdef CONFIG_AP
if (drv->monitor_ifidx >= 0)
eloop_unregister_read_sock(drv->link_event_sock);
- if (wpa_driver_nl80211_get_ifflags(drv, &flags) == 0)
- (void) wpa_driver_nl80211_set_ifflags(drv, flags & ~IFF_UP);
+ hostapd_set_iface_flags(drv, drv->ifname, 0);
wpa_driver_nl80211_set_mode(drv, 0);
close(drv->link_event_sock);
return -1;
}
+#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;
int ret = -ENOBUFS;
+#ifdef HOSTAPD
+ struct ifreq ifreq;
+ struct iwreq iwr;
+#endif /* HOSTAPD */
msg = nlmsg_alloc();
if (!msg)
if (ifidx <= 0)
return -1;
+#ifdef HOSTAPD
+ /* 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;
+ }
+ }
+#endif /* HOSTAPD */
+
return ifidx;
}
+#endif /* CONFIG_AP || HOSTAPD */
+
+#ifdef CONFIG_AP
void ap_tx_status(void *ctx, const u8 *addr,
const u8 *buf, size_t len, int ack);
return 0;
}
-#endif /* CONFIG_AP || HOSTAPD */
-
-#ifdef CONFIG_AP
static int
nl80211_create_monitor_interface(struct wpa_driver_nl80211_data *drv)
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)
static int wpa_driver_nl80211_set_mode(struct wpa_driver_nl80211_data *drv,
int mode)
{
- int ret = -1, flags;
+ int ret = -1;
struct nl_msg *msg;
int nlmode;
* 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)
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);
+ if (hostapd_set_iface_flags(drv, drv->ifname, 1))
+ ret = -1;
}
return ret;
}
-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 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)
}
-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;
}
-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)
{
projects / wpasupplicant / commitdiff