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P2P: Make peer's P2P Device Address available to authenticator

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This can be used to implement per-device PSK selection based on the
peer's P2P Device Address instead of P2P Interface Address.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-09-01 11:05:19 +03:00
parent 52177fbb70
commit 94ddef3e72
8 changed files with 36 additions and 22 deletions
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10
src/ap/drv_callbacks.c
View file

@ -1,6 +1,6 @@
/*
* hostapd / Callback functions for driver wrappers
* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
* Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -45,6 +45,7 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
#endif /* CONFIG_IEEE80211R */
u16 reason = WLAN_REASON_UNSPECIFIED;
u16 status = WLAN_STATUS_SUCCESS;
const u8 *p2p_dev_addr = NULL;
if (addr == NULL) {
/*
@ -108,6 +109,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
wpabuf_free(sta->p2p_ie);
sta->p2p_ie = ieee802_11_vendor_ie_concat(req_ies, req_ies_len,
P2P_IE_VENDOR_TYPE);
if (sta->p2p_ie)
p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
}
#endif /* CONFIG_P2P */
@ -156,7 +159,8 @@ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
sta->addr,
p2p_dev_addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
"machine");
@ -481,7 +485,7 @@ static void hostapd_notif_auth(struct hostapd_data *hapd,
sta->auth_alg = WLAN_AUTH_FT;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
sta->addr, NULL);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
"state machine");

31
src/ap/ieee802_11.c
View file

@ -1,6 +1,6 @@
/*
* hostapd / IEEE 802.11 Management
* Copyright (c) 2002-2012, Jouni Malinen <j@w1.fi>
* Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -719,7 +719,7 @@ static void handle_auth(struct hostapd_data *hapd,
sta->auth_alg = WLAN_AUTH_FT;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
sta->addr, NULL);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_DEBUG, "FT: Failed to initialize WPA "
"state machine");
@ -866,6 +866,7 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
u16 resp;
const u8 *wpa_ie;
size_t wpa_ie_len;
const u8 *p2p_dev_addr = NULL;
if (ieee802_11_parse_elems(ies, ies_len, &elems, 1) == ParseFailed) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE80211,
@ -911,6 +912,19 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
}
#endif /* CONFIG_IEEE80211AC */
#ifdef CONFIG_P2P
if (elems.p2p) {
wpabuf_free(sta->p2p_ie);
sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
P2P_IE_VENDOR_TYPE);
if (sta->p2p_ie)
p2p_dev_addr = p2p_get_go_dev_addr(sta->p2p_ie);
} else {
wpabuf_free(sta->p2p_ie);
sta->p2p_ie = NULL;
}
#endif /* CONFIG_P2P */
if ((hapd->conf->wpa & WPA_PROTO_RSN) && elems.rsn_ie) {
wpa_ie = elems.rsn_ie;
wpa_ie_len = elems.rsn_ie_len;
@ -962,7 +976,8 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
wpa_ie_len += 2;
if (sta->wpa_sm == NULL)
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
sta->addr);
sta->addr,
p2p_dev_addr);
if (sta->wpa_sm == NULL) {
wpa_printf(MSG_WARNING, "Failed to initialize WPA "
"state machine");
@ -1058,16 +1073,6 @@ static u16 check_assoc_ies(struct hostapd_data *hapd, struct sta_info *sta,
wpa_auth_sta_no_wpa(sta->wpa_sm);
#ifdef CONFIG_P2P
if (elems.p2p) {
wpabuf_free(sta->p2p_ie);
sta->p2p_ie = ieee802_11_vendor_ie_concat(ies, ies_len,
P2P_IE_VENDOR_TYPE);
} else {
wpabuf_free(sta->p2p_ie);
sta->p2p_ie = NULL;
}
p2p_group_notif_assoc(hapd->p2p_group, sta->addr, ies, ies_len);
#endif /* CONFIG_P2P */

7
src/ap/wpa_auth.c
View file

@ -1,6 +1,6 @@
/*
* IEEE 802.11 RSN / WPA Authenticator
* Copyright (c) 2004-2011, Jouni Malinen <j@w1.fi>
* Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi>
*
* This software may be distributed under the terms of the BSD license.
* See README for more details.
@ -508,7 +508,8 @@ int wpa_reconfig(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *
wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr)
wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr,
const u8 *p2p_dev_addr)
{
struct wpa_state_machine *sm;
@ -516,6 +517,8 @@ wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr)
if (sm == NULL)
return NULL;
os_memcpy(sm->addr, addr, ETH_ALEN);
if (p2p_dev_addr)
os_memcpy(sm->p2p_dev_addr, p2p_dev_addr, ETH_ALEN);
sm->wpa_auth = wpa_auth;
sm->group = wpa_auth->group;

3
src/ap/wpa_auth.h
View file

@ -227,7 +227,8 @@ int wpa_validate_wpa_ie(struct wpa_authenticator *wpa_auth,
const u8 *mdie, size_t mdie_len);
int wpa_auth_uses_mfp(struct wpa_state_machine *sm);
struct wpa_state_machine *
wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr);
wpa_auth_sta_init(struct wpa_authenticator *wpa_auth, const u8 *addr,
const u8 *p2p_dev_addr);
int wpa_auth_sta_associated(struct wpa_authenticator *wpa_auth,
struct wpa_state_machine *sm);
void wpa_auth_sta_no_wpa(struct wpa_state_machine *sm);

2
src/ap/wpa_auth_glue.c
View file

@ -471,7 +471,7 @@ hostapd_wpa_auth_add_sta(void *ctx, const u8 *sta_addr)
return sta->wpa_sm;
}
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr);
sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth, sta->addr, NULL);
if (sta->wpa_sm == NULL) {
ap_free_sta(hapd, sta);
return NULL;

1
src/ap/wpa_auth_i.h
View file

@ -26,6 +26,7 @@ struct wpa_state_machine {
struct wpa_group *group;
u8 addr[ETH_ALEN];
u8 p2p_dev_addr[ETH_ALEN];
enum {
WPA_PTK_INITIALIZE, WPA_PTK_DISCONNECT, WPA_PTK_DISCONNECTED,

2
wpa_supplicant/ibss_rsn.c
View file

@ -444,7 +444,7 @@ static int ibss_rsn_auth_init_group(struct ibss_rsn *ibss_rsn,
static int ibss_rsn_auth_init(struct ibss_rsn *ibss_rsn,
struct ibss_rsn_peer *peer)
{
peer->auth = wpa_auth_sta_init(ibss_rsn->auth_group, peer->addr);
peer->auth = wpa_auth_sta_init(ibss_rsn->auth_group, peer->addr, NULL);
if (peer->auth == NULL) {
wpa_printf(MSG_DEBUG, "AUTH: wpa_auth_sta_init() failed");
return -1;

2
wpa_supplicant/tests/test_wpa.c
View file

@ -298,7 +298,7 @@ static int auth_init_group(struct wpa *wpa)
static int auth_init(struct wpa *wpa)
{
wpa->auth = wpa_auth_sta_init(wpa->auth_group, wpa->supp_addr);
wpa->auth = wpa_auth_sta_init(wpa->auth_group, wpa->supp_addr, NULL);
if (wpa->auth == NULL) {
wpa_printf(MSG_DEBUG, "AUTH: wpa_auth_sta_init() failed");
return -1;