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Current Path: /usr/src/contrib/wpa/src/ap

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📄 accounting.c(14.53 KB)
📄 accounting.h(1.12 KB)
📄 acs.c(29.71 KB)
📄 acs.h(764 B)
📄 airtime_policy.c(6.82 KB)
📄 airtime_policy.h(1.27 KB)
📄 ap_config.c(33.39 KB)
📄 ap_config.h(26.53 KB)
📄 ap_drv_ops.c(25.84 KB)
📄 ap_drv_ops.h(13.38 KB)
📄 ap_list.c(6.82 KB)
📄 ap_list.h(1.5 KB)
📄 ap_mlme.c(5.64 KB)
📄 ap_mlme.h(1007 B)
📄 authsrv.c(8.72 KB)
📄 authsrv.h(352 B)
📄 beacon.c(40.32 KB)
📄 beacon.h(1.25 KB)
📄 bss_load.c(2.4 KB)
📄 bss_load.h(376 B)
📄 ctrl_iface_ap.c(24.3 KB)
📄 ctrl_iface_ap.h(1.61 KB)
📄 dfs.c(29.35 KB)
📄 dfs.h(1.22 KB)
📄 dhcp_snoop.c(3.36 KB)
📄 dhcp_snoop.h(590 B)
📄 dpp_hostapd.c(48.28 KB)
📄 dpp_hostapd.h(1.74 KB)
📄 drv_callbacks.c(51.68 KB)
📄 eap_user_db.c(7.92 KB)
📄 eth_p_oui.c(4.44 KB)
📄 eth_p_oui.h(958 B)
📄 fils_hlp.c(16.82 KB)
📄 fils_hlp.h(547 B)
📄 gas_query_ap.c(19.53 KB)
📄 gas_query_ap.h(1.24 KB)
📄 gas_serv.c(50.48 KB)
📄 gas_serv.h(3.38 KB)
📄 hostapd.c(89.58 KB)
📄 hostapd.h(17.99 KB)
📄 hs20.c(6.27 KB)
📄 hs20.h(843 B)
📄 hw_features.c(24.77 KB)
📄 hw_features.h(1.93 KB)
📄 iapp.c(14.59 KB)
📄 iapp.h(833 B)
📄 ieee802_11.c(148.71 KB)
📄 ieee802_11.h(7.97 KB)
📄 ieee802_11_auth.c(18.3 KB)
📄 ieee802_11_auth.h(1.04 KB)
📄 ieee802_11_he.c(8.77 KB)
📄 ieee802_11_ht.c(16.22 KB)
📄 ieee802_11_shared.c(23.95 KB)
📄 ieee802_11_vht.c(13.4 KB)
📄 ieee802_1x.c(83.16 KB)
📄 ieee802_1x.h(2.84 KB)
📄 mbo_ap.c(5.22 KB)
📄 mbo_ap.h(1.16 KB)
📄 ndisc_snoop.c(4.3 KB)
📄 ndisc_snoop.h(838 B)
📄 neighbor_db.c(6.49 KB)
📄 neighbor_db.h(940 B)
📄 p2p_hostapd.c(2.57 KB)
📄 p2p_hostapd.h(888 B)
📄 pmksa_cache_auth.c(18.79 KB)
📄 pmksa_cache_auth.h(2.69 KB)
📄 preauth_auth.c(6.47 KB)
📄 preauth_auth.h(1.26 KB)
📄 rrm.c(17.27 KB)
📄 rrm.h(1.21 KB)
📄 sta_info.c(41.42 KB)
📄 sta_info.h(11.63 KB)
📄 taxonomy.c(7.45 KB)
📄 taxonomy.h(766 B)
📄 tkip_countermeasures.c(2.95 KB)
📄 tkip_countermeasures.h(451 B)
📄 utils.c(2.29 KB)
📄 vlan.c(756 B)
📄 vlan.h(727 B)
📄 vlan_full.c(18.35 KB)
📄 vlan_ifconfig.c(1.47 KB)
📄 vlan_init.c(5.88 KB)
📄 vlan_init.h(1.09 KB)
📄 vlan_ioctl.c(3.75 KB)
📄 vlan_util.c(3.9 KB)
📄 vlan_util.h(980 B)
📄 wmm.c(11.47 KB)
📄 wmm.h(653 B)
📄 wnm_ap.c(23.69 KB)
📄 wnm_ap.h(1.08 KB)
📄 wpa_auth.c(140.03 KB)
📄 wpa_auth.h(17.89 KB)
📄 wpa_auth_ft.c(120.89 KB)
📄 wpa_auth_glue.c(35.42 KB)
📄 wpa_auth_glue.h(443 B)
📄 wpa_auth_i.h(8.47 KB)
📄 wpa_auth_ie.c(32.38 KB)
📄 wpa_auth_ie.h(1.14 KB)
📄 wpa_auth_kay.c(12.26 KB)
📄 wpa_auth_kay.h(1.15 KB)
📄 wps_hostapd.c(54.66 KB)
📄 wps_hostapd.h(2.79 KB)
📄 x_snoop.c(3.21 KB)
📄 x_snoop.h(1.29 KB)

Editing: x_snoop.c

/*
 * Generic Snooping for Proxy ARP
 * Copyright (c) 2014, Qualcomm Atheros, Inc.
 *
 * This software may be distributed under the terms of the BSD license.
 * See README for more details.
 */

#include "utils/includes.h"

#include "utils/common.h"
#include "hostapd.h"
#include "sta_info.h"
#include "ap_drv_ops.h"
#include "x_snoop.h"

int x_snoop_init(struct hostapd_data *hapd)
{
	struct hostapd_bss_config *conf = hapd->conf;

if (!conf->isolate) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: ap_isolate must be enabled for x_snoop");
		return -1;
	}

if (conf->bridge[0] == '\0') {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Bridge must be configured for x_snoop");
		return -1;
	}

if (hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_HAIRPIN_MODE,
					 1)) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to enable hairpin_mode on the bridge port");
		return -1;
	}

if (hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_PROXYARP, 1)) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to enable proxyarp on the bridge port");
		return -1;
	}

if (hostapd_drv_br_set_net_param(hapd, DRV_BR_NET_PARAM_GARP_ACCEPT,
					 1)) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to enable accepting gratuitous ARP on the bridge");
		return -1;
	}

#ifdef CONFIG_IPV6
	if (hostapd_drv_br_set_net_param(hapd, DRV_BR_MULTICAST_SNOOPING, 1)) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to enable multicast snooping on the bridge");
		return -1;
	}
#endif /* CONFIG_IPV6 */

return 0;
}

struct l2_packet_data *
x_snoop_get_l2_packet(struct hostapd_data *hapd,
		      void (*handler)(void *ctx, const u8 *src_addr,
				      const u8 *buf, size_t len),
		      enum l2_packet_filter_type type)
{
	struct hostapd_bss_config *conf = hapd->conf;
	struct l2_packet_data *l2;

l2 = l2_packet_init(conf->bridge, NULL, ETH_P_ALL, handler, hapd, 1);
	if (l2 == NULL) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to initialize L2 packet processing %s",
			   strerror(errno));
		return NULL;
	}

if (l2_packet_set_packet_filter(l2, type)) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to set L2 packet filter for type: %d",
			   type);
		l2_packet_deinit(l2);
		return NULL;
	}

return l2;
}

void x_snoop_mcast_to_ucast_convert_send(struct hostapd_data *hapd,
					 struct sta_info *sta, u8 *buf,
					 size_t len)
{
	int res;
	u8 addr[ETH_ALEN];
	u8 *dst_addr = buf;

if (!(dst_addr[0] & 0x01))
		return;

wpa_printf(MSG_EXCESSIVE, "x_snoop: Multicast-to-unicast conversion "
		   MACSTR " -> " MACSTR " (len %u)",
		   MAC2STR(dst_addr), MAC2STR(sta->addr), (unsigned int) len);

/* save the multicast destination address for restoring it later */
	os_memcpy(addr, buf, ETH_ALEN);

os_memcpy(buf, sta->addr, ETH_ALEN);
	res = l2_packet_send(hapd->sock_dhcp, NULL, 0, buf, len);
	if (res < 0) {
		wpa_printf(MSG_DEBUG,
			   "x_snoop: Failed to send mcast to ucast converted packet to "
			   MACSTR, MAC2STR(sta->addr));
	}

/* restore the multicast destination address */
	os_memcpy(buf, addr, ETH_ALEN);
}

void x_snoop_deinit(struct hostapd_data *hapd)
{
	hostapd_drv_br_set_net_param(hapd, DRV_BR_NET_PARAM_GARP_ACCEPT, 0);
	hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_PROXYARP, 0);
	hostapd_drv_br_port_set_attr(hapd, DRV_BR_PORT_ATTR_HAIRPIN_MODE, 0);
}

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Editing: x_snoop.c

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