Merge remote-tracking branch 'origin/debian' into debian
[mech_eap.git] / libeap / src / drivers / driver_wired.c
diff --git a/libeap/src/drivers/driver_wired.c b/libeap/src/drivers/driver_wired.c
new file mode 100644 (file)
index 0000000..422a220
--- /dev/null
@@ -0,0 +1,681 @@
+/*
+ * Wired Ethernet driver interface
+ * Copyright (c) 2005-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004, Gunter Burchardt <tira@isx.de>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#include "includes.h"
+
+#include "common.h"
+#include "eloop.h"
+#include "driver.h"
+
+#include <sys/ioctl.h>
+#undef IFNAMSIZ
+#include <net/if.h>
+#ifdef __linux__
+#include <netpacket/packet.h>
+#include <net/if_arp.h>
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+#include <net/if_dl.h>
+#include <net/if_media.h>
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__) */
+#ifdef __sun__
+#include <sys/sockio.h>
+#endif /* __sun__ */
+
+#ifdef _MSC_VER
+#pragma pack(push, 1)
+#endif /* _MSC_VER */
+
+struct ieee8023_hdr {
+       u8 dest[6];
+       u8 src[6];
+       u16 ethertype;
+} STRUCT_PACKED;
+
+#ifdef _MSC_VER
+#pragma pack(pop)
+#endif /* _MSC_VER */
+
+static const u8 pae_group_addr[ETH_ALEN] =
+{ 0x01, 0x80, 0xc2, 0x00, 0x00, 0x03 };
+
+
+struct wpa_driver_wired_data {
+       char ifname[IFNAMSIZ + 1];
+       void *ctx;
+
+       int sock; /* raw packet socket for driver access */
+       int dhcp_sock; /* socket for dhcp packets */
+       int use_pae_group_addr;
+
+       int pf_sock;
+       int membership, multi, iff_allmulti, iff_up;
+};
+
+
+/* TODO: detecting new devices should eventually be changed from using DHCP
+ * snooping to trigger on any packet from a new layer 2 MAC address, e.g.,
+ * based on ebtables, etc. */
+
+struct dhcp_message {
+       u_int8_t op;
+       u_int8_t htype;
+       u_int8_t hlen;
+       u_int8_t hops;
+       u_int32_t xid;
+       u_int16_t secs;
+       u_int16_t flags;
+       u_int32_t ciaddr;
+       u_int32_t yiaddr;
+       u_int32_t siaddr;
+       u_int32_t giaddr;
+       u_int8_t chaddr[16];
+       u_int8_t sname[64];
+       u_int8_t file[128];
+       u_int32_t cookie;
+       u_int8_t options[308]; /* 312 - cookie */
+};
+
+
+static int wired_multicast_membership(int sock, int ifindex,
+                                     const u8 *addr, int add)
+{
+#ifdef __linux__
+       struct packet_mreq mreq;
+
+       if (sock < 0)
+               return -1;
+
+       os_memset(&mreq, 0, sizeof(mreq));
+       mreq.mr_ifindex = ifindex;
+       mreq.mr_type = PACKET_MR_MULTICAST;
+       mreq.mr_alen = ETH_ALEN;
+       os_memcpy(mreq.mr_address, addr, ETH_ALEN);
+
+       if (setsockopt(sock, SOL_PACKET,
+                      add ? PACKET_ADD_MEMBERSHIP : PACKET_DROP_MEMBERSHIP,
+                      &mreq, sizeof(mreq)) < 0) {
+               wpa_printf(MSG_ERROR, "setsockopt: %s", strerror(errno));
+               return -1;
+       }
+       return 0;
+#else /* __linux__ */
+       return -1;
+#endif /* __linux__ */
+}
+
+
+#ifdef __linux__
+static void handle_data(void *ctx, unsigned char *buf, size_t len)
+{
+#ifdef HOSTAPD
+       struct ieee8023_hdr *hdr;
+       u8 *pos, *sa;
+       size_t left;
+       union wpa_event_data event;
+
+       /* must contain at least ieee8023_hdr 6 byte source, 6 byte dest,
+        * 2 byte ethertype */
+       if (len < 14) {
+               wpa_printf(MSG_MSGDUMP, "handle_data: too short (%lu)",
+                          (unsigned long) len);
+               return;
+       }
+
+       hdr = (struct ieee8023_hdr *) buf;
+
+       switch (ntohs(hdr->ethertype)) {
+               case ETH_P_PAE:
+                       wpa_printf(MSG_MSGDUMP, "Received EAPOL packet");
+                       sa = hdr->src;
+                       os_memset(&event, 0, sizeof(event));
+                       event.new_sta.addr = sa;
+                       wpa_supplicant_event(ctx, EVENT_NEW_STA, &event);
+
+                       pos = (u8 *) (hdr + 1);
+                       left = len - sizeof(*hdr);
+                       drv_event_eapol_rx(ctx, sa, pos, left);
+               break;
+
+       default:
+               wpa_printf(MSG_DEBUG, "Unknown ethertype 0x%04x in data frame",
+                          ntohs(hdr->ethertype));
+               break;
+       }
+#endif /* HOSTAPD */
+}
+
+
+static void handle_read(int sock, void *eloop_ctx, void *sock_ctx)
+{
+       int len;
+       unsigned char buf[3000];
+
+       len = recv(sock, buf, sizeof(buf), 0);
+       if (len < 0) {
+               wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
+               return;
+       }
+
+       handle_data(eloop_ctx, buf, len);
+}
+
+
+static void handle_dhcp(int sock, void *eloop_ctx, void *sock_ctx)
+{
+       int len;
+       unsigned char buf[3000];
+       struct dhcp_message *msg;
+       u8 *mac_address;
+       union wpa_event_data event;
+
+       len = recv(sock, buf, sizeof(buf), 0);
+       if (len < 0) {
+               wpa_printf(MSG_ERROR, "recv: %s", strerror(errno));
+               return;
+       }
+
+       /* must contain at least dhcp_message->chaddr */
+       if (len < 44) {
+               wpa_printf(MSG_MSGDUMP, "handle_dhcp: too short (%d)", len);
+               return;
+       }
+
+       msg = (struct dhcp_message *) buf;
+       mac_address = (u8 *) &(msg->chaddr);
+
+       wpa_printf(MSG_MSGDUMP, "Got DHCP broadcast packet from " MACSTR,
+                  MAC2STR(mac_address));
+
+       os_memset(&event, 0, sizeof(event));
+       event.new_sta.addr = mac_address;
+       wpa_supplicant_event(eloop_ctx, EVENT_NEW_STA, &event);
+}
+#endif /* __linux__ */
+
+
+static int wired_init_sockets(struct wpa_driver_wired_data *drv, u8 *own_addr)
+{
+#ifdef __linux__
+       struct ifreq ifr;
+       struct sockaddr_ll addr;
+       struct sockaddr_in addr2;
+       int n = 1;
+
+       drv->sock = socket(PF_PACKET, SOCK_RAW, htons(ETH_P_PAE));
+       if (drv->sock < 0) {
+               wpa_printf(MSG_ERROR, "socket[PF_PACKET,SOCK_RAW]: %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       if (eloop_register_read_sock(drv->sock, handle_read, drv->ctx, NULL)) {
+               wpa_printf(MSG_INFO, "Could not register read socket");
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+       if (ioctl(drv->sock, SIOCGIFINDEX, &ifr) != 0) {
+               wpa_printf(MSG_ERROR, "ioctl(SIOCGIFINDEX): %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       os_memset(&addr, 0, sizeof(addr));
+       addr.sll_family = AF_PACKET;
+       addr.sll_ifindex = ifr.ifr_ifindex;
+       wpa_printf(MSG_DEBUG, "Opening raw packet socket for ifindex %d",
+                  addr.sll_ifindex);
+
+       if (bind(drv->sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+               wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
+               return -1;
+       }
+
+       /* filter multicast address */
+       if (wired_multicast_membership(drv->sock, ifr.ifr_ifindex,
+                                      pae_group_addr, 1) < 0) {
+               wpa_printf(MSG_ERROR, "wired: Failed to add multicast group "
+                          "membership");
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_name, drv->ifname, sizeof(ifr.ifr_name));
+       if (ioctl(drv->sock, SIOCGIFHWADDR, &ifr) != 0) {
+               wpa_printf(MSG_ERROR, "ioctl(SIOCGIFHWADDR): %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER) {
+               wpa_printf(MSG_INFO, "Invalid HW-addr family 0x%04x",
+                          ifr.ifr_hwaddr.sa_family);
+               return -1;
+       }
+       os_memcpy(own_addr, ifr.ifr_hwaddr.sa_data, ETH_ALEN);
+
+       /* setup dhcp listen socket for sta detection */
+       if ((drv->dhcp_sock = socket(PF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0) {
+               wpa_printf(MSG_ERROR, "socket call failed for dhcp: %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       if (eloop_register_read_sock(drv->dhcp_sock, handle_dhcp, drv->ctx,
+                                    NULL)) {
+               wpa_printf(MSG_INFO, "Could not register read socket");
+               return -1;
+       }
+
+       os_memset(&addr2, 0, sizeof(addr2));
+       addr2.sin_family = AF_INET;
+       addr2.sin_port = htons(67);
+       addr2.sin_addr.s_addr = INADDR_ANY;
+
+       if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_REUSEADDR, (char *) &n,
+                      sizeof(n)) == -1) {
+               wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_REUSEADDR]: %s",
+                          strerror(errno));
+               return -1;
+       }
+       if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BROADCAST, (char *) &n,
+                      sizeof(n)) == -1) {
+               wpa_printf(MSG_ERROR, "setsockopt[SOL_SOCKET,SO_BROADCAST]: %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_ifrn.ifrn_name, drv->ifname, IFNAMSIZ);
+       if (setsockopt(drv->dhcp_sock, SOL_SOCKET, SO_BINDTODEVICE,
+                      (char *) &ifr, sizeof(ifr)) < 0) {
+               wpa_printf(MSG_ERROR,
+                          "setsockopt[SOL_SOCKET,SO_BINDTODEVICE]: %s",
+                          strerror(errno));
+               return -1;
+       }
+
+       if (bind(drv->dhcp_sock, (struct sockaddr *) &addr2,
+                sizeof(struct sockaddr)) == -1) {
+               wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
+               return -1;
+       }
+
+       return 0;
+#else /* __linux__ */
+       return -1;
+#endif /* __linux__ */
+}
+
+
+static int wired_send_eapol(void *priv, const u8 *addr,
+                           const u8 *data, size_t data_len, int encrypt,
+                           const u8 *own_addr, u32 flags)
+{
+       struct wpa_driver_wired_data *drv = priv;
+       struct ieee8023_hdr *hdr;
+       size_t len;
+       u8 *pos;
+       int res;
+
+       len = sizeof(*hdr) + data_len;
+       hdr = os_zalloc(len);
+       if (hdr == NULL) {
+               wpa_printf(MSG_INFO,
+                          "malloc() failed for wired_send_eapol(len=%lu)",
+                          (unsigned long) len);
+               return -1;
+       }
+
+       os_memcpy(hdr->dest, drv->use_pae_group_addr ? pae_group_addr : addr,
+                 ETH_ALEN);
+       os_memcpy(hdr->src, own_addr, ETH_ALEN);
+       hdr->ethertype = htons(ETH_P_PAE);
+
+       pos = (u8 *) (hdr + 1);
+       os_memcpy(pos, data, data_len);
+
+       res = send(drv->sock, (u8 *) hdr, len, 0);
+       os_free(hdr);
+
+       if (res < 0) {
+               wpa_printf(MSG_ERROR,
+                          "wired_send_eapol - packet len: %lu - failed: send: %s",
+                          (unsigned long) len, strerror(errno));
+       }
+
+       return res;
+}
+
+
+static void * wired_driver_hapd_init(struct hostapd_data *hapd,
+                                    struct wpa_init_params *params)
+{
+       struct wpa_driver_wired_data *drv;
+
+       drv = os_zalloc(sizeof(struct wpa_driver_wired_data));
+       if (drv == NULL) {
+               wpa_printf(MSG_INFO,
+                          "Could not allocate memory for wired driver data");
+               return NULL;
+       }
+
+       drv->ctx = hapd;
+       os_strlcpy(drv->ifname, params->ifname, sizeof(drv->ifname));
+       drv->use_pae_group_addr = params->use_pae_group_addr;
+
+       if (wired_init_sockets(drv, params->own_addr)) {
+               os_free(drv);
+               return NULL;
+       }
+
+       return drv;
+}
+
+
+static void wired_driver_hapd_deinit(void *priv)
+{
+       struct wpa_driver_wired_data *drv = priv;
+
+       if (drv->sock >= 0) {
+               eloop_unregister_read_sock(drv->sock);
+               close(drv->sock);
+       }
+
+       if (drv->dhcp_sock >= 0) {
+               eloop_unregister_read_sock(drv->dhcp_sock);
+               close(drv->dhcp_sock);
+       }
+
+       os_free(drv);
+}
+
+
+static int wpa_driver_wired_get_ssid(void *priv, u8 *ssid)
+{
+       ssid[0] = 0;
+       return 0;
+}
+
+
+static int wpa_driver_wired_get_bssid(void *priv, u8 *bssid)
+{
+       /* Report PAE group address as the "BSSID" for wired connection. */
+       os_memcpy(bssid, pae_group_addr, ETH_ALEN);
+       return 0;
+}
+
+
+static int wpa_driver_wired_get_capa(void *priv, struct wpa_driver_capa *capa)
+{
+       os_memset(capa, 0, sizeof(*capa));
+       capa->flags = WPA_DRIVER_FLAGS_WIRED;
+       return 0;
+}
+
+
+static int wpa_driver_wired_get_ifflags(const char *ifname, int *flags)
+{
+       struct ifreq ifr;
+       int s;
+
+       s = socket(PF_INET, SOCK_DGRAM, 0);
+       if (s < 0) {
+               wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+       if (ioctl(s, SIOCGIFFLAGS, (caddr_t) &ifr) < 0) {
+               wpa_printf(MSG_ERROR, "ioctl[SIOCGIFFLAGS]: %s",
+                          strerror(errno));
+               close(s);
+               return -1;
+       }
+       close(s);
+       *flags = ifr.ifr_flags & 0xffff;
+       return 0;
+}
+
+
+static int wpa_driver_wired_set_ifflags(const char *ifname, int flags)
+{
+       struct ifreq ifr;
+       int s;
+
+       s = socket(PF_INET, SOCK_DGRAM, 0);
+       if (s < 0) {
+               wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+       ifr.ifr_flags = flags & 0xffff;
+       if (ioctl(s, SIOCSIFFLAGS, (caddr_t) &ifr) < 0) {
+               wpa_printf(MSG_ERROR, "ioctl[SIOCSIFFLAGS]: %s",
+                          strerror(errno));
+               close(s);
+               return -1;
+       }
+       close(s);
+       return 0;
+}
+
+
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+static int wpa_driver_wired_get_ifstatus(const char *ifname, int *status)
+{
+       struct ifmediareq ifmr;
+       int s;
+
+       s = socket(PF_INET, SOCK_DGRAM, 0);
+       if (s < 0) {
+               wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
+               return -1;
+       }
+
+       os_memset(&ifmr, 0, sizeof(ifmr));
+       os_strlcpy(ifmr.ifm_name, ifname, IFNAMSIZ);
+       if (ioctl(s, SIOCGIFMEDIA, (caddr_t) &ifmr) < 0) {
+               wpa_printf(MSG_ERROR, "ioctl[SIOCGIFMEDIA]: %s",
+                          strerror(errno));
+               close(s);
+               return -1;
+       }
+       close(s);
+       *status = (ifmr.ifm_status & (IFM_ACTIVE | IFM_AVALID)) ==
+               (IFM_ACTIVE | IFM_AVALID);
+
+       return 0;
+}
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+
+
+static int wpa_driver_wired_multi(const char *ifname, const u8 *addr, int add)
+{
+       struct ifreq ifr;
+       int s;
+
+#ifdef __sun__
+       return -1;
+#endif /* __sun__ */
+
+       s = socket(PF_INET, SOCK_DGRAM, 0);
+       if (s < 0) {
+               wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
+               return -1;
+       }
+
+       os_memset(&ifr, 0, sizeof(ifr));
+       os_strlcpy(ifr.ifr_name, ifname, IFNAMSIZ);
+#ifdef __linux__
+       ifr.ifr_hwaddr.sa_family = AF_UNSPEC;
+       os_memcpy(ifr.ifr_hwaddr.sa_data, addr, ETH_ALEN);
+#endif /* __linux__ */
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+       {
+               struct sockaddr_dl *dlp;
+               dlp = (struct sockaddr_dl *) &ifr.ifr_addr;
+               dlp->sdl_len = sizeof(struct sockaddr_dl);
+               dlp->sdl_family = AF_LINK;
+               dlp->sdl_index = 0;
+               dlp->sdl_nlen = 0;
+               dlp->sdl_alen = ETH_ALEN;
+               dlp->sdl_slen = 0;
+               os_memcpy(LLADDR(dlp), addr, ETH_ALEN);
+       }
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
+       {
+               struct sockaddr *sap;
+               sap = (struct sockaddr *) &ifr.ifr_addr;
+               sap->sa_len = sizeof(struct sockaddr);
+               sap->sa_family = AF_UNSPEC;
+               os_memcpy(sap->sa_data, addr, ETH_ALEN);
+       }
+#endif /* defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) */
+
+       if (ioctl(s, add ? SIOCADDMULTI : SIOCDELMULTI, (caddr_t) &ifr) < 0) {
+               wpa_printf(MSG_ERROR, "ioctl[SIOC{ADD/DEL}MULTI]: %s",
+                          strerror(errno));
+               close(s);
+               return -1;
+       }
+       close(s);
+       return 0;
+}
+
+
+static void * wpa_driver_wired_init(void *ctx, const char *ifname)
+{
+       struct wpa_driver_wired_data *drv;
+       int flags;
+
+       drv = os_zalloc(sizeof(*drv));
+       if (drv == NULL)
+               return NULL;
+       os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+       drv->ctx = ctx;
+
+#ifdef __linux__
+       drv->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
+       if (drv->pf_sock < 0)
+               wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
+#else /* __linux__ */
+       drv->pf_sock = -1;
+#endif /* __linux__ */
+
+       if (wpa_driver_wired_get_ifflags(ifname, &flags) == 0 &&
+           !(flags & IFF_UP) &&
+           wpa_driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0) {
+               drv->iff_up = 1;
+       }
+
+       if (wired_multicast_membership(drv->pf_sock,
+                                      if_nametoindex(drv->ifname),
+                                      pae_group_addr, 1) == 0) {
+               wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
+                          "packet socket", __func__);
+               drv->membership = 1;
+       } else if (wpa_driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
+               wpa_printf(MSG_DEBUG, "%s: Added multicast membership with "
+                          "SIOCADDMULTI", __func__);
+               drv->multi = 1;
+       } else if (wpa_driver_wired_get_ifflags(ifname, &flags) < 0) {
+               wpa_printf(MSG_INFO, "%s: Could not get interface "
+                          "flags", __func__);
+               os_free(drv);
+               return NULL;
+       } else if (flags & IFF_ALLMULTI) {
+               wpa_printf(MSG_DEBUG, "%s: Interface is already configured "
+                          "for multicast", __func__);
+       } else if (wpa_driver_wired_set_ifflags(ifname,
+                                               flags | IFF_ALLMULTI) < 0) {
+               wpa_printf(MSG_INFO, "%s: Failed to enable allmulti",
+                          __func__);
+               os_free(drv);
+               return NULL;
+       } else {
+               wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode",
+                          __func__);
+               drv->iff_allmulti = 1;
+       }
+#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__FreeBSD_kernel__)
+       {
+               int status;
+               wpa_printf(MSG_DEBUG, "%s: waiting for link to become active",
+                          __func__);
+               while (wpa_driver_wired_get_ifstatus(ifname, &status) == 0 &&
+                      status == 0)
+                       sleep(1);
+       }
+#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
+
+       return drv;
+}
+
+
+static void wpa_driver_wired_deinit(void *priv)
+{
+       struct wpa_driver_wired_data *drv = priv;
+       int flags;
+
+       if (drv->membership &&
+           wired_multicast_membership(drv->pf_sock,
+                                      if_nametoindex(drv->ifname),
+                                      pae_group_addr, 0) < 0) {
+               wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
+                          "group (PACKET)", __func__);
+       }
+
+       if (drv->multi &&
+           wpa_driver_wired_multi(drv->ifname, pae_group_addr, 0) < 0) {
+               wpa_printf(MSG_DEBUG, "%s: Failed to remove PAE multicast "
+                          "group (SIOCDELMULTI)", __func__);
+       }
+
+       if (drv->iff_allmulti &&
+           (wpa_driver_wired_get_ifflags(drv->ifname, &flags) < 0 ||
+            wpa_driver_wired_set_ifflags(drv->ifname,
+                                         flags & ~IFF_ALLMULTI) < 0)) {
+               wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
+                          __func__);
+       }
+
+       if (drv->iff_up &&
+           wpa_driver_wired_get_ifflags(drv->ifname, &flags) == 0 &&
+           (flags & IFF_UP) &&
+           wpa_driver_wired_set_ifflags(drv->ifname, flags & ~IFF_UP) < 0) {
+               wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
+                          __func__);
+       }
+
+       if (drv->pf_sock != -1)
+               close(drv->pf_sock);
+
+       os_free(drv);
+}
+
+
+const struct wpa_driver_ops wpa_driver_wired_ops = {
+       .name = "wired",
+       .desc = "Wired Ethernet driver",
+       .hapd_init = wired_driver_hapd_init,
+       .hapd_deinit = wired_driver_hapd_deinit,
+       .hapd_send_eapol = wired_send_eapol,
+       .get_ssid = wpa_driver_wired_get_ssid,
+       .get_bssid = wpa_driver_wired_get_bssid,
+       .get_capa = wpa_driver_wired_get_capa,
+       .init = wpa_driver_wired_init,
+       .deinit = wpa_driver_wired_deinit,
+};