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)
perror("socket(PF_PACKET)");
#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;
}
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);
}
void driver_wired_deinit_common(struct driver_wired_common_data *common)
{
int flags;
if (common->membership &&
wired_multicast_membership(common->pf_sock,
if_nametoindex(common->ifname),
pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (PACKET)",
__func__);
}
if (common->multi &&
driver_wired_multi(common->ifname, pae_group_addr, 0) < 0) {
wpa_printf(MSG_DEBUG,
"%s: Failed to remove PAE multicast group (SIOCDELMULTI)",
__func__);
}
if (common->iff_allmulti &&
(driver_wired_get_ifflags(common->ifname, &flags) < 0 ||
driver_wired_set_ifflags(common->ifname,
flags & ~IFF_ALLMULTI) < 0)) {
wpa_printf(MSG_DEBUG, "%s: Failed to disable allmulti mode",
__func__);
}
if (common->iff_up &&
driver_wired_get_ifflags(common->ifname, &flags) == 0 &&
(flags & IFF_UP) &&
driver_wired_set_ifflags(common->ifname, flags & ~IFF_UP) < 0) {
wpa_printf(MSG_DEBUG, "%s: Failed to set the interface down",
__func__);
}
if (common->pf_sock != -1)
close(common->pf_sock);
}
static void * wpa_driver_wired_init(void *ctx, const char *ifname)
{
struct wpa_driver_wired_data *drv;
int flags, status;
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 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__ */
}
int driver_wired_init_common(struct driver_wired_common_data *common,
const char *ifname, void *ctx)
{
int flags;
os_strlcpy(common->ifname, ifname, sizeof(common->ifname));
common->ctx = ctx;
#ifdef __linux__
common->pf_sock = socket(PF_PACKET, SOCK_DGRAM, 0);
if (common->pf_sock < 0)
wpa_printf(MSG_ERROR, "socket(PF_PACKET): %s", strerror(errno));
#else /* __linux__ */
common->pf_sock = -1;
#endif /* __linux__ */
if (driver_wired_get_ifflags(ifname, &flags) == 0 &&
!(flags & IFF_UP) &&
driver_wired_set_ifflags(ifname, flags | IFF_UP) == 0)
common->iff_up = 1;
if (wired_multicast_membership(common->pf_sock,
if_nametoindex(common->ifname),
pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with packet socket",
__func__);
common->membership = 1;
} else if (driver_wired_multi(ifname, pae_group_addr, 1) == 0) {
wpa_printf(MSG_DEBUG,
"%s: Added multicast membership with SIOCADDMULTI",
__func__);
common->multi = 1;
} else if (driver_wired_get_ifflags(ifname, &flags) < 0) {
wpa_printf(MSG_INFO, "%s: Could not get interface flags",
__func__);
return -1;
} else if (flags & IFF_ALLMULTI) {
wpa_printf(MSG_DEBUG,
"%s: Interface is already configured for multicast",
__func__);
} else if (driver_wired_set_ifflags(ifname,
flags | IFF_ALLMULTI) < 0) {
wpa_printf(MSG_INFO, "%s: Failed to enable allmulti", __func__);
return -1;
} else {
wpa_printf(MSG_DEBUG, "%s: Enabled allmulti mode", __func__);
common->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 (driver_wired_get_ifstatus(ifname, &status) == 0 &&
status == 0)
sleep(1);
}
#endif /* defined(__FreeBSD__) || defined(__DragonFly__) || defined(FreeBSD_kernel__) */
return 0;
}
