This breaks backward compatiblity. Signed-off-by: Michael Braun <michael-dev@xxxxxxxxxxxxx> --- hostapd/Makefile | 6 ++ hostapd/main.c | 3 + src/ap/eth_p_oui.c | 185 +++++++++++++++++++++++++++++++++++++++++++++++++ src/ap/eth_p_oui.h | 61 ++++++++++++++++ src/ap/hostapd.h | 10 +++ src/ap/wpa_auth.h | 26 +++---- src/ap/wpa_auth_ft.c | 73 ++++++++++++------- src/ap/wpa_auth_glue.c | 154 ++++++++++++++++++++++++++++++++++++++-- src/utils/common.h | 3 + 9 files changed, 474 insertions(+), 47 deletions(-) create mode 100644 src/ap/eth_p_oui.c create mode 100644 src/ap/eth_p_oui.h diff --git a/hostapd/Makefile b/hostapd/Makefile index 044c8c0..a667bfb 100644 --- a/hostapd/Makefile +++ b/hostapd/Makefile @@ -295,6 +295,12 @@ OBJS += ../src/ap/wpa_auth_ft.o NEED_SHA256=y NEED_AES_OMAC1=y NEED_AES_UNWRAP=y +NEED_ETH_P_OUI=y +endif + +ifdef NEED_ETH_P_OUI +CFLAGS += -DCONFIG_ETH_P_OUI +OBJS += ../src/ap/eth_p_oui.o endif ifdef CONFIG_SAE diff --git a/hostapd/main.c b/hostapd/main.c index 2c8dbd3..968fe36 100644 --- a/hostapd/main.c +++ b/hostapd/main.c @@ -659,6 +659,9 @@ int main(int argc, char *argv[]) interfaces.global_iface_name = NULL; interfaces.global_ctrl_sock = -1; dl_list_init(&interfaces.global_ctrl_dst); +#ifdef CONFIG_ETH_P_OUI + dl_list_init(&interfaces.eth_p_oui); +#endif /* CONFIG_ETH_P_OUI */ for (;;) { c = getopt(argc, argv, "b:Bde:f:hi:KP:STtu:vg:G:"); diff --git a/src/ap/eth_p_oui.c b/src/ap/eth_p_oui.c new file mode 100644 index 0000000..26e786b --- /dev/null +++ b/src/ap/eth_p_oui.c @@ -0,0 +1,185 @@ +/* + * hostapd / IEEE 802 OUI Extended Ethertype + * Copyright (c) 2016, Jouni Malinen <j@xxxxx> + * + * 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 "utils/eloop.h" +#include "hostapd.h" +#include "eth_p_oui.h" +#include "l2_packet/l2_packet.h" + +const u8 global_oui[] = {0x00, 0x13, 0x74, 0x00, 0x01}; + +struct eth_p_oui_iface { + struct dl_list list; + char ifname[IFNAMSIZ+1]; + struct l2_packet_data *l2; + struct dl_list receiver; +}; + +struct eth_p_oui_ctx { + struct dl_list list; + struct eth_p_oui_iface *iface; + /* all data needed to deliver and unregister */ + u8 ouisuffix; /* last byte of oui */ + void (*rx_callback)(void *ctx, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, + const u8 *buf, size_t len); + void *rx_callback_ctx; +}; + + +void eth_p_oui_deliver(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len) +{ + ctx->rx_callback(ctx->rx_callback_ctx, src_addr, dst_addr, + ctx->ouisuffix, buf, len); +} + + +static void eth_p_rx(void *ctx, const u8 *src_addr, const u8 *buf, size_t len) +{ + struct eth_p_oui_iface *iface = ctx; + struct eth_p_oui_ctx *receiver; + const struct l2_ethhdr *ethhdr; + + if (len < sizeof(*ethhdr) + 6) + /* too short packet */ + return; + + ethhdr = (struct l2_ethhdr *) buf; + /* trim eth_hdr from buf and len */ + buf += sizeof(*ethhdr); + len -= sizeof(*ethhdr); + + dl_list_for_each(receiver, &iface->receiver, + struct eth_p_oui_ctx, list) { + /* compare all but last byte of oui */ + if (os_memcmp(buf, global_oui, 5) != 0) + continue; + /* compare last byte of oui */ + if (buf[5] != receiver->ouisuffix) + continue; + + /* do not pass oui to rx_callback */ + eth_p_oui_deliver(receiver, ethhdr->h_source, ethhdr->h_dest, + buf + 6, len - 6); + } +} + + +struct eth_p_oui_ctx * +eth_p_oui_register(struct hostapd_data *hapd, const char *ifname, u8 ouisuffix, + void (*rx_callback)(void *ctx, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, + const u8 *buf, size_t len), + void *rx_callback_ctx) +{ + struct eth_p_oui_iface *iface; + struct eth_p_oui_ctx *receiver; + int found = 0; + struct hapd_interfaces *interfaces; + + receiver = os_zalloc(sizeof(*receiver)); + if (!receiver) + goto err; + + receiver->ouisuffix = ouisuffix; + receiver->rx_callback = rx_callback; + receiver->rx_callback_ctx = rx_callback_ctx; + + interfaces = hapd->iface->interfaces; + + dl_list_for_each(iface, &interfaces->eth_p_oui, + struct eth_p_oui_iface, list) { + if (strncmp(iface->ifname, ifname, + sizeof(iface->ifname)) != 0) + continue; + found = 1; + break; + } + + if (!found) { + iface = os_zalloc(sizeof(*iface)); + if (!iface) + goto err; + + strncpy(iface->ifname, ifname, sizeof(iface->ifname)); + iface->l2 = l2_packet_init(ifname, NULL, ETH_P_OUI, eth_p_rx, + iface, 1); + if (!iface->l2) { + os_free(iface); + goto err; + } + dl_list_init(&iface->receiver); + + dl_list_add_tail(&interfaces->eth_p_oui, &iface->list); + } + + dl_list_add_tail(&iface->receiver, &receiver->list); + receiver->iface = iface; + + return receiver; +err: + os_free(receiver); + return NULL; +} + +void eth_p_oui_unregister(struct eth_p_oui_ctx *ctx) +{ + struct eth_p_oui_iface *iface; + + if (!ctx) + return; + + iface = ctx->iface; + + dl_list_del(&ctx->list); + os_free(ctx); + + if (dl_list_empty(&iface->receiver)) { + dl_list_del(&iface->list); + l2_packet_deinit(iface->l2); + os_free(iface); + } +} + +int eth_p_oui_send(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len) +{ + struct eth_p_oui_iface *iface = ctx->iface; + u8 *packet, *p; + size_t packet_len; + int ret; + struct l2_ethhdr *ethhdr; + + packet_len = sizeof(*ethhdr) + 6 + len; + packet = os_zalloc(packet_len); + if (!packet) + return -1; + p = packet; + + ethhdr = (struct l2_ethhdr *) packet; + os_memcpy(ethhdr->h_source, src_addr, ETH_ALEN); + os_memcpy(ethhdr->h_dest, dst_addr, ETH_ALEN); + ethhdr->h_proto = host_to_be16(ETH_P_OUI); + p += sizeof(*ethhdr); + + os_memcpy(p, global_oui, 5); + p[5] = ctx->ouisuffix; + p += 6; + + os_memcpy(p, buf, len); + + ret = l2_packet_send(iface->l2, NULL, 0, packet, packet_len); + os_free(packet); + return ret; +} + + diff --git a/src/ap/eth_p_oui.h b/src/ap/eth_p_oui.h new file mode 100644 index 0000000..9a56d15 --- /dev/null +++ b/src/ap/eth_p_oui.h @@ -0,0 +1,61 @@ +/* + * hostapd / IEEE 802 OUI Extended Ethertype + * Copyright (c) 2016, Jouni Malinen <j@xxxxx> + * + * This software may be distributed under the terms of the BSD license. + * See README for more details. + */ + +#ifndef ETH_P_OUI_H +#define ETH_P_OUI_H + +struct eth_p_oui_ctx; +struct hostapd_data; + +#ifdef CONFIG_ETH_P_OUI + +/* rx_callback only gets payload after OUI passed as buf */ +struct eth_p_oui_ctx * +eth_p_oui_register(struct hostapd_data *hapd, const char *ifname, u8 ouisuffix, + void (*rx_callback)(void *ctx, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, + const u8 *buf, size_t len), + void *rx_callback_ctx); +void eth_p_oui_unregister(struct eth_p_oui_ctx *eth_p_oui); +int eth_p_oui_send(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len); +void eth_p_oui_deliver(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len); + +#else /* CONFIG_ETH_P_OUI */ + +static inline struct eth_p_oui_ctx * +eth_p_oui_register(struct hostapd_data *hapd, const char *ifname, u8 ouisuffix, + void (*rx_callback)(void *ctx, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, + const u8 *buf, size_t len), + void *rx_callback_ctx) +{ + return NULL; +} + +static inline void eth_p_oui_unregister(struct eth_p_oui_ctx *ctx) +{ +} + +static inline int +eth_p_oui_send(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len) +{ + return -1; +} + +static inline void +eth_p_oui_deliver(struct eth_p_oui_ctx *ctx, const u8 *src_addr, + const u8 *dst_addr, const u8 *buf, size_t len) +{ +} + +#endif /* CONFIG_ETH_P_OUI */ + +#endif /* ETH_P_OUI_H */ diff --git a/src/ap/hostapd.h b/src/ap/hostapd.h index dec46f6..7b18f66 100644 --- a/src/ap/hostapd.h +++ b/src/ap/hostapd.h @@ -53,6 +53,9 @@ struct hapd_interfaces { #ifndef CONFIG_NO_VLAN struct dynamic_iface *vlan_priv; #endif /* CONFIG_NO_VLAN */ +#ifdef CONFIG_ETH_P_OUI + struct dl_list eth_p_oui; +#endif /* CONFIG_ETH_P_OUI */ int eloop_initialized; }; @@ -184,6 +187,13 @@ struct hostapd_data { #endif /* CONFIG_FULL_DYNAMIC_VLAN */ struct l2_packet_data *l2; + +#ifdef CONFIG_IEEE80211R + struct eth_p_oui_ctx *oui_ft_pull; + struct eth_p_oui_ctx *oui_ft_push; + struct eth_p_oui_ctx *oui_ft_resp; +#endif /* CONFIG_IEEE80211R */ + struct wps_context *wps; int beacon_set_done; diff --git a/src/ap/wpa_auth.h b/src/ap/wpa_auth.h index 5712884..b56a69b 100644 --- a/src/ap/wpa_auth.h +++ b/src/ap/wpa_auth.h @@ -38,9 +38,9 @@ struct ft_rrb_frame { #define FT_PACKET_REQUEST 0 #define FT_PACKET_RESPONSE 1 /* Vendor-specific types for R0KH-R1KH protocol; not defined in 802.11r */ -#define FT_PACKET_R0KH_R1KH_PULL 200 -#define FT_PACKET_R0KH_R1KH_RESP 201 -#define FT_PACKET_R0KH_R1KH_PUSH 202 +#define FT_PACKET_R0KH_R1KH_PULL 0x01 +#define FT_PACKET_R0KH_R1KH_RESP 0x02 +#define FT_PACKET_R0KH_R1KH_PUSH 0x03 #define FT_R0KH_R1KH_PULL_NONCE_LEN 16 #define FT_R0KH_R1KH_PULL_DATA_LEN (FT_R0KH_R1KH_PULL_NONCE_LEN + \ @@ -49,11 +49,6 @@ struct ft_rrb_frame { #define FT_R0KH_R1KH_PULL_PAD_LEN ((8 - FT_R0KH_R1KH_PULL_DATA_LEN % 8) % 8) struct ft_r0kh_r1kh_pull_frame { - u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ - u8 packet_type; /* FT_PACKET_R0KH_R1KH_PULL */ - le16 data_length; /* little endian length of data (44) */ - u8 ap_address[ETH_ALEN]; - u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN]; u8 pmk_r0_name[WPA_PMK_NAME_LEN]; u8 r1kh_id[FT_R1KH_ID_LEN]; @@ -67,11 +62,6 @@ struct ft_r0kh_r1kh_pull_frame { WPA_PMK_NAME_LEN + 2) #define FT_R0KH_R1KH_RESP_PAD_LEN ((8 - FT_R0KH_R1KH_RESP_DATA_LEN % 8) % 8) struct ft_r0kh_r1kh_resp_frame { - u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ - u8 packet_type; /* FT_PACKET_R0KH_R1KH_RESP */ - le16 data_length; /* little endian length of data (78) */ - u8 ap_address[ETH_ALEN]; - u8 nonce[FT_R0KH_R1KH_PULL_NONCE_LEN]; /* copied from pull */ u8 r1kh_id[FT_R1KH_ID_LEN]; /* copied from pull */ u8 s1kh_id[ETH_ALEN]; /* copied from pull */ @@ -87,11 +77,6 @@ struct ft_r0kh_r1kh_resp_frame { WPA_PMK_NAME_LEN + 2) #define FT_R0KH_R1KH_PUSH_PAD_LEN ((8 - FT_R0KH_R1KH_PUSH_DATA_LEN % 8) % 8) struct ft_r0kh_r1kh_push_frame { - u8 frame_type; /* RSN_REMOTE_FRAME_TYPE_FT_RRB */ - u8 packet_type; /* FT_PACKET_R0KH_R1KH_PUSH */ - le16 data_length; /* little endian length of data (82) */ - u8 ap_address[ETH_ALEN]; - /* Encrypted with AES key-wrap */ u8 timestamp[4]; /* current time in seconds since unix epoch, little * endian */ @@ -221,6 +206,8 @@ struct wpa_auth_callbacks { void *ctx), void *cb_ctx); int (*send_ether)(void *ctx, const u8 *dst, u16 proto, const u8 *data, size_t data_len); + int (*send_oui)(void *ctx, const u8 *dst, u8 ouisuffix, const u8 *data, + size_t data_len); #ifdef CONFIG_IEEE80211R struct wpa_state_machine * (*add_sta)(void *ctx, const u8 *sta_addr); int (*send_ft_action)(void *ctx, const u8 *dst, @@ -327,6 +314,9 @@ u16 wpa_ft_validate_reassoc(struct wpa_state_machine *sm, const u8 *ies, int wpa_ft_action_rx(struct wpa_state_machine *sm, const u8 *data, size_t len); int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, const u8 *data, size_t data_len); +void wpa_ft_rrb_oui_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, const u8 *data, + size_t data_len); void wpa_ft_push_pmk_r1(struct wpa_authenticator *wpa_auth, const u8 *addr); #endif /* CONFIG_IEEE80211R */ diff --git a/src/ap/wpa_auth_ft.c b/src/ap/wpa_auth_ft.c index b3a7de9..fc96675 100644 --- a/src/ap/wpa_auth_ft.c +++ b/src/ap/wpa_auth_ft.c @@ -41,6 +41,19 @@ static int wpa_ft_rrb_send(struct wpa_authenticator *wpa_auth, const u8 *dst, } +static int +wpa_ft_rrb_oui_send(struct wpa_authenticator *wpa_auth, const u8 *dst, + u8 ouisuffix, const u8 *data, size_t data_len) +{ + if (wpa_auth->cb.send_oui == NULL) + return -1; + wpa_printf(MSG_DEBUG, "FT: RRB-OUI type %d send to " MACSTR, + ouisuffix, MAC2STR(dst)); + return wpa_auth->cb.send_oui(wpa_auth->cb.ctx, dst, ouisuffix, data, + data_len); +} + + static int wpa_ft_action_send(struct wpa_authenticator *wpa_auth, const u8 *dst, const u8 *data, size_t data_len) { @@ -337,11 +350,6 @@ static int wpa_ft_pull_pmk_r1(struct wpa_state_machine *sm, "address " MACSTR, MAC2STR(r0kh->addr)); os_memset(&frame, 0, sizeof(frame)); - frame.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB; - frame.packet_type = FT_PACKET_R0KH_R1KH_PULL; - frame.data_length = host_to_le16(FT_R0KH_R1KH_PULL_DATA_LEN); - os_memcpy(frame.ap_address, sm->wpa_auth->addr, ETH_ALEN); - /* aes_wrap() does not support inplace encryption, so use a temporary * buffer for the data. */ if (random_get_bytes(f.nonce, FT_R0KH_R1KH_PULL_NONCE_LEN)) { @@ -366,7 +374,8 @@ static int wpa_ft_pull_pmk_r1(struct wpa_state_machine *sm, if (sm->ft_pending_req_ies == NULL) return -1; - wpa_ft_rrb_send(sm->wpa_auth, r0kh->addr, (u8 *) &frame, sizeof(frame)); + wpa_ft_rrb_oui_send(sm->wpa_auth, r0kh->addr, FT_PACKET_R0KH_R1KH_PULL, + (u8 *) &frame, sizeof(frame)); return 0; } @@ -1461,11 +1470,6 @@ static int wpa_ft_rrb_rx_pull(struct wpa_authenticator *wpa_auth, MACSTR, MAC2STR(f.r1kh_id), MAC2STR(f.s1kh_id)); os_memset(&resp, 0, sizeof(resp)); - resp.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB; - resp.packet_type = FT_PACKET_R0KH_R1KH_RESP; - resp.data_length = host_to_le16(FT_R0KH_R1KH_RESP_DATA_LEN); - os_memcpy(resp.ap_address, wpa_auth->addr, ETH_ALEN); - /* aes_wrap() does not support inplace encryption, so use a temporary * buffer for the data. */ os_memcpy(r.nonce, f.nonce, sizeof(f.nonce)); @@ -1495,7 +1499,8 @@ static int wpa_ft_rrb_rx_pull(struct wpa_authenticator *wpa_auth, os_memset(pmk_r0, 0, PMK_LEN); - wpa_ft_rrb_send(wpa_auth, src_addr, (u8 *) &resp, sizeof(resp)); + wpa_ft_rrb_oui_send(wpa_auth, src_addr, FT_PACKET_R0KH_R1KH_RESP, + (u8 *) &resp, sizeof(resp)); return 0; } @@ -1736,13 +1741,6 @@ int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, return -1; } - if (frame->packet_type == FT_PACKET_R0KH_R1KH_PULL) - return wpa_ft_rrb_rx_pull(wpa_auth, src_addr, data, data_len); - if (frame->packet_type == FT_PACKET_R0KH_R1KH_RESP) - return wpa_ft_rrb_rx_resp(wpa_auth, src_addr, data, data_len); - if (frame->packet_type == FT_PACKET_R0KH_R1KH_PUSH) - return wpa_ft_rrb_rx_push(wpa_auth, src_addr, data, data_len); - wpa_hexdump(MSG_MSGDUMP, "FT: RRB - FT Action frame", pos, alen); if (alen < 1 + 1 + 2 * ETH_ALEN) { @@ -1820,6 +1818,35 @@ int wpa_ft_rrb_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, } +void wpa_ft_rrb_oui_rx(struct wpa_authenticator *wpa_auth, const u8 *src_addr, + const u8 *dst_addr, u8 ouisuffix, const u8 *data, + size_t data_len) +{ + wpa_printf(MSG_DEBUG, "FT: RRB received frame from remote AP " MACSTR, + MAC2STR(src_addr)); + wpa_printf(MSG_DEBUG, "FT: RRB-OUI frame - ouisuffix=%d", ouisuffix); + + if (is_multicast_ether_addr(dst_addr)) { + wpa_printf(MSG_ERROR, "FT: RRB-OUI received frame from remote " + "AP " MACSTR " to multicast address " MACSTR, + MAC2STR(src_addr), MAC2STR(dst_addr)); + return; + } + + switch (ouisuffix) { + case FT_PACKET_R0KH_R1KH_PULL: + wpa_ft_rrb_rx_pull(wpa_auth, src_addr, data, data_len); + break; + case FT_PACKET_R0KH_R1KH_RESP: + wpa_ft_rrb_rx_resp(wpa_auth, src_addr, data, data_len); + break; + case FT_PACKET_R0KH_R1KH_PUSH: + wpa_ft_rrb_rx_push(wpa_auth, src_addr, data, data_len); + break; + } +} + + static void wpa_ft_generate_pmk_r1(struct wpa_authenticator *wpa_auth, struct wpa_ft_pmk_r0_sa *pmk_r0, struct ft_remote_r1kh *r1kh, @@ -1831,11 +1858,6 @@ static void wpa_ft_generate_pmk_r1(struct wpa_authenticator *wpa_auth, u8 *crypt; os_memset(&frame, 0, sizeof(frame)); - frame.frame_type = RSN_REMOTE_FRAME_TYPE_FT_RRB; - frame.packet_type = FT_PACKET_R0KH_R1KH_PUSH; - frame.data_length = host_to_le16(FT_R0KH_R1KH_PUSH_DATA_LEN); - os_memcpy(frame.ap_address, wpa_auth->addr, ETH_ALEN); - /* aes_wrap() does not support inplace encryption, so use a temporary * buffer for the data. */ os_memcpy(f.r1kh_id, r1kh->id, FT_R1KH_ID_LEN); @@ -1860,7 +1882,8 @@ static void wpa_ft_generate_pmk_r1(struct wpa_authenticator *wpa_auth, plain, crypt) < 0) return; - wpa_ft_rrb_send(wpa_auth, r1kh->addr, (u8 *) &frame, sizeof(frame)); + wpa_ft_rrb_oui_send(wpa_auth, r1kh->addr, FT_PACKET_R0KH_R1KH_PUSH, + (u8 *) &frame, sizeof(frame)); } diff --git a/src/ap/wpa_auth_glue.c b/src/ap/wpa_auth_glue.c index 2a5a940..3f6d2f4 100644 --- a/src/ap/wpa_auth_glue.c +++ b/src/ap/wpa_auth_glue.c @@ -17,6 +17,7 @@ #include "eapol_auth/eapol_auth_sm_i.h" #include "eap_server/eap.h" #include "l2_packet/l2_packet.h" +#include "eth_p_oui.h" #include "hostapd.h" #include "ieee802_1x.h" #include "preauth_auth.h" @@ -467,7 +468,8 @@ static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, #endif /* CONFIG_TESTING_OPTIONS */ #ifdef CONFIG_IEEE80211R - if (proto == ETH_P_RRB && hapd->iface->interfaces && + if (proto == ETH_P_RRB && + hapd->iface->interfaces && hapd->iface->interfaces->for_each_interface) { int res; struct wpa_auth_ft_iface_iter_data idata; @@ -487,6 +489,7 @@ static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, return hapd->driver->send_ether(hapd->drv_priv, dst, hapd->own_addr, proto, data, data_len); + if (hapd->l2 == NULL) return -1; @@ -504,6 +507,103 @@ static int hostapd_wpa_auth_send_ether(void *ctx, const u8 *dst, u16 proto, } +struct wpa_auth_oui_iface_iter_data { + struct hostapd_data *src_hapd; + const u8 *dst; + const u8 *data; + size_t data_len; + u8 ouisuffix; +}; + + +static int hostapd_wpa_auth_oui_iter(struct hostapd_iface *iface, void *ctx) +{ + struct wpa_auth_oui_iface_iter_data *idata = ctx; + struct hostapd_data *hapd; + struct eth_p_oui_ctx *oui_ctx; + size_t j; + + for (j = 0; j < iface->num_bss; j++) { + hapd = iface->bss[j]; + if (hapd == idata->src_hapd) + continue; + if (!is_multicast_ether_addr(idata->dst) && + os_memcmp(hapd->own_addr, idata->dst, ETH_ALEN) != 0) + continue; + + switch (idata->ouisuffix) { + case FT_PACKET_R0KH_R1KH_PULL: + oui_ctx = hapd->oui_ft_pull; + break; + case FT_PACKET_R0KH_R1KH_PUSH: + oui_ctx = hapd->oui_ft_push; + break; + case FT_PACKET_R0KH_R1KH_RESP: + oui_ctx = hapd->oui_ft_resp; + break; + default: + oui_ctx = NULL; + break; + } + + if (oui_ctx == NULL) + continue; + + eth_p_oui_deliver(oui_ctx, idata->src_hapd->own_addr, + idata->dst, idata->data, idata->data_len); + } + + return 0; +} + + +static int hostapd_wpa_auth_send_oui(void *ctx, const u8 *dst, u8 ouisuffix, + const u8 *data, size_t data_len) +{ + struct hostapd_data *hapd = ctx; + struct eth_p_oui_ctx *oui_ctx; + +#ifdef CONFIG_IEEE80211R + if (hapd->iface->interfaces && + hapd->iface->interfaces->for_each_interface) { + int res; + struct wpa_auth_oui_iface_iter_data idata; + + idata.src_hapd = hapd; + idata.dst = dst; + idata.data = data; + idata.data_len = data_len; + idata.ouisuffix = ouisuffix; + res = hapd->iface->interfaces->for_each_interface( + hapd->iface->interfaces, hostapd_wpa_auth_oui_iter, + &idata); + if (res == 1) + return data_len; + } +#endif /* CONFIG_IEEE80211R */ + + switch (ouisuffix) { + case FT_PACKET_R0KH_R1KH_PULL: + oui_ctx = hapd->oui_ft_pull; + break; + case FT_PACKET_R0KH_R1KH_PUSH: + oui_ctx = hapd->oui_ft_push; + break; + case FT_PACKET_R0KH_R1KH_RESP: + oui_ctx = hapd->oui_ft_resp; + break; + default: + oui_ctx = NULL; + break; + } + + if (oui_ctx == NULL) + return -1; + + return eth_p_oui_send(oui_ctx, hapd->own_addr, dst, data, data_len); +} + + #ifdef CONFIG_IEEE80211R static int hostapd_wpa_auth_send_ft_action(void *ctx, const u8 *dst, @@ -582,6 +682,22 @@ static void hostapd_rrb_receive(void *ctx, const u8 *src_addr, const u8 *buf, } +static void +hostapd_rrb_oui_receive(void *ctx, const u8 *src_addr, const u8 *dst_addr, + u8 ouisuffix, const u8 *buf, size_t len) +{ + struct hostapd_data *hapd = ctx; + + wpa_printf(MSG_DEBUG, "FT: RRB received packet " MACSTR " -> " + MACSTR, MAC2STR(src_addr), MAC2STR(dst_addr)); + if (!is_multicast_ether_addr(dst_addr) && + os_memcmp(hapd->own_addr, dst_addr, ETH_ALEN) != 0) + return; + wpa_ft_rrb_oui_rx(hapd->wpa_auth, src_addr, dst_addr, ouisuffix, buf, + len); +} + + static int hostapd_wpa_auth_add_tspec(void *ctx, const u8 *sta_addr, u8 *tspec_ie, size_t tspec_ielen) { @@ -598,6 +714,9 @@ int hostapd_setup_wpa(struct hostapd_data *hapd) struct wpa_auth_callbacks cb; const u8 *wpa_ie; size_t wpa_ie_len; +#ifdef CONFIG_IEEE80211R + const char *ft_iface; +#endif /* CONFIG_IEEE80211R */ hostapd_wpa_auth_conf(hapd->conf, hapd->iconf, &_conf); if (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_EAPOL_TX_STATUS) @@ -620,6 +739,7 @@ int hostapd_setup_wpa(struct hostapd_data *hapd) cb.for_each_sta = hostapd_wpa_auth_for_each_sta; cb.for_each_auth = hostapd_wpa_auth_for_each_auth; cb.send_ether = hostapd_wpa_auth_send_ether; + cb.send_oui = hostapd_wpa_auth_send_oui; #ifdef CONFIG_IEEE80211R cb.send_ft_action = hostapd_wpa_auth_send_ft_action; cb.add_sta = hostapd_wpa_auth_add_sta; @@ -653,9 +773,9 @@ int hostapd_setup_wpa(struct hostapd_data *hapd) #ifdef CONFIG_IEEE80211R if (!hostapd_drv_none(hapd) && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt)) { - hapd->l2 = l2_packet_init(hapd->conf->bridge[0] ? - hapd->conf->bridge : - hapd->conf->iface, NULL, ETH_P_RRB, + ft_iface = hapd->conf->bridge[0] ? hapd->conf->bridge : + hapd->conf->iface; + hapd->l2 = l2_packet_init(ft_iface, NULL, ETH_P_RRB, hostapd_rrb_receive, hapd, 1); if (hapd->l2 == NULL && (hapd->driver == NULL || @@ -664,6 +784,26 @@ int hostapd_setup_wpa(struct hostapd_data *hapd) "interface"); return -1; } + + hapd->oui_ft_pull = eth_p_oui_register(hapd, ft_iface, + FT_PACKET_R0KH_R1KH_PULL, + hostapd_rrb_oui_receive, + hapd); + hapd->oui_ft_push = eth_p_oui_register(hapd, ft_iface, + FT_PACKET_R0KH_R1KH_PUSH, + hostapd_rrb_oui_receive, + hapd); + hapd->oui_ft_resp = eth_p_oui_register(hapd, ft_iface, + FT_PACKET_R0KH_R1KH_RESP, + hostapd_rrb_oui_receive, + hapd); + if (hapd->oui_ft_pull == NULL || + hapd->oui_ft_push == NULL || + hapd->oui_ft_resp == NULL) { + wpa_printf(MSG_ERROR, "Failed to open " + "ETH_P_OUI interface"); + return -1; + } } #endif /* CONFIG_IEEE80211R */ @@ -706,5 +846,11 @@ void hostapd_deinit_wpa(struct hostapd_data *hapd) #ifdef CONFIG_IEEE80211R l2_packet_deinit(hapd->l2); hapd->l2 = NULL; + eth_p_oui_unregister(hapd->oui_ft_pull); + hapd->oui_ft_pull = NULL; + eth_p_oui_unregister(hapd->oui_ft_resp); + hapd->oui_ft_resp = NULL; + eth_p_oui_unregister(hapd->oui_ft_push); + hapd->oui_ft_push = NULL; #endif /* CONFIG_IEEE80211R */ } diff --git a/src/utils/common.h b/src/utils/common.h index 7785677..b85c0fa 100644 --- a/src/utils/common.h +++ b/src/utils/common.h @@ -331,6 +331,9 @@ static inline void WPA_PUT_LE64(u8 *a, u64 val) #ifndef ETH_P_RRB #define ETH_P_RRB 0x890D #endif /* ETH_P_RRB */ +#ifndef ETH_P_OUI +#define ETH_P_OUI 0x88B7 +#endif /* ETH_P_OUI */ #ifdef __GNUC__ -- 2.1.4 _______________________________________________ Hostap mailing list Hostap@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/hostap