#include "ap/hostapd.h"
#include "ap/sta_info.h"
#include "ap/ieee802_11.h"
+#include "ap/wpa_auth.h"
#include "wpa_supplicant_i.h"
#include "driver_i.h"
#include "mesh_mpm.h"
};
static const char * const mplstate[] = {
+ [0] = "UNINITIALIZED",
[PLINK_LISTEN] = "LISTEN",
[PLINK_OPEN_SENT] = "OPEN_SENT",
[PLINK_OPEN_RCVD] = "OPEN_RCVD",
/* TODO: Add Connected to Mesh Gate/AS subfields */
wpabuf_put_u8(buf, info);
/* always forwarding & accepting plinks for now */
- wpabuf_put_u8(buf, 0x1 | 0x8);
+ wpabuf_put_u8(buf, MESH_CAP_ACCEPT_ADDITIONAL_PEER |
+ MESH_CAP_FORWARDING);
} else { /* Peer closing frame */
/* IE: Mesh ID */
wpabuf_put_u8(buf, WLAN_EID_MESH_ID);
goto fail;
}
+ wpa_msg(wpa_s, MSG_DEBUG, "Mesh MPM: Sending peering frame type %d to "
+ MACSTR " (my_lid=0x%x peer_lid=0x%x)",
+ type, MAC2STR(sta->addr), sta->my_lid, sta->peer_lid);
ret = wpa_drv_send_action(wpa_s, wpa_s->assoc_freq, 0,
sta->addr, wpa_s->own_addr, wpa_s->own_addr,
wpabuf_head(buf), wpabuf_len(buf), 0);
struct hostapd_sta_add_params params;
int ret;
+ wpa_msg(wpa_s, MSG_DEBUG, "MPM set " MACSTR " from %s into %s",
+ MAC2STR(sta->addr), mplstate[sta->plink_state],
+ mplstate[state]);
sta->plink_state = state;
os_memset(¶ms, 0, sizeof(params));
params.plink_state = state;
params.set = 1;
- wpa_msg(wpa_s, MSG_DEBUG, "MPM set " MACSTR " into %s",
- MAC2STR(sta->addr), mplstate[state]);
ret = wpa_drv_sta_add(wpa_s, ¶ms);
if (ret) {
wpa_msg(wpa_s, MSG_ERROR, "Driver failed to set " MACSTR
struct sta_info *sta = user_data;
u16 reason = 0;
struct mesh_conf *conf = wpa_s->ifmsh->mconf;
+ struct hostapd_data *hapd = wpa_s->ifmsh->bss[0];
switch (sta->plink_state) {
case PLINK_OPEN_RCVD:
break;
case PLINK_HOLDING:
/* holding timer */
+
+ if (sta->mesh_sae_pmksa_caching) {
+ wpa_printf(MSG_DEBUG, "MPM: Peer " MACSTR
+ " looks like it does not support mesh SAE PMKSA caching, so remove the cached entry for it",
+ MAC2STR(sta->addr));
+ wpa_auth_pmksa_remove(hapd->wpa_auth, sta->addr);
+ }
mesh_mpm_fsm_restart(wpa_s, sta);
break;
default:
}
-int mesh_mpm_plink_close(struct hostapd_data *hapd,
- struct sta_info *sta, void *ctx)
+static int mesh_mpm_plink_close(struct hostapd_data *hapd, struct sta_info *sta,
+ void *ctx)
{
struct wpa_supplicant *wpa_s = ctx;
int reason = WLAN_REASON_MESH_PEERING_CANCELLED;
}
+int mesh_mpm_close_peer(struct wpa_supplicant *wpa_s, const u8 *addr)
+{
+ struct hostapd_data *hapd;
+ struct sta_info *sta;
+
+ if (!wpa_s->ifmsh) {
+ wpa_msg(wpa_s, MSG_INFO, "Mesh is not prepared yet");
+ return -1;
+ }
+
+ hapd = wpa_s->ifmsh->bss[0];
+ sta = ap_get_sta(hapd, addr);
+ if (!sta) {
+ wpa_msg(wpa_s, MSG_INFO, "No such mesh peer");
+ return -1;
+ }
+
+ return mesh_mpm_plink_close(hapd, sta, wpa_s) == 0 ? 0 : -1;
+}
+
+
+static void peer_add_timer(void *eloop_ctx, void *user_data)
+{
+ struct wpa_supplicant *wpa_s = eloop_ctx;
+ struct hostapd_data *hapd = wpa_s->ifmsh->bss[0];
+
+ os_memset(hapd->mesh_required_peer, 0, ETH_ALEN);
+}
+
+
+int mesh_mpm_connect_peer(struct wpa_supplicant *wpa_s, const u8 *addr,
+ int duration)
+{
+ struct wpa_ssid *ssid = wpa_s->current_ssid;
+ struct hostapd_data *hapd;
+ struct sta_info *sta;
+ struct mesh_conf *conf;
+
+ if (!wpa_s->ifmsh) {
+ wpa_msg(wpa_s, MSG_INFO, "Mesh is not prepared yet");
+ return -1;
+ }
+
+ if (!ssid || !ssid->no_auto_peer) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "This command is available only with no_auto_peer mesh network");
+ return -1;
+ }
+
+ hapd = wpa_s->ifmsh->bss[0];
+ conf = wpa_s->ifmsh->mconf;
+
+ sta = ap_get_sta(hapd, addr);
+ if (!sta) {
+ wpa_msg(wpa_s, MSG_INFO, "No such mesh peer");
+ return -1;
+ }
+
+ if ((PLINK_OPEN_SENT <= sta->plink_state &&
+ sta->plink_state <= PLINK_ESTAB) ||
+ (sta->sae && sta->sae->state > SAE_NOTHING)) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "Specified peer is connecting/connected");
+ return -1;
+ }
+
+ if (conf->security == MESH_CONF_SEC_NONE) {
+ mesh_mpm_plink_open(wpa_s, sta, PLINK_OPEN_SENT);
+ } else {
+ mesh_rsn_auth_sae_sta(wpa_s, sta);
+ os_memcpy(hapd->mesh_required_peer, addr, ETH_ALEN);
+ eloop_register_timeout(duration == -1 ? 10 : duration, 0,
+ peer_add_timer, wpa_s, NULL);
+ }
+
+ return 0;
+}
+
+
void mesh_mpm_deinit(struct wpa_supplicant *wpa_s, struct hostapd_iface *ifmsh)
{
struct hostapd_data *hapd = ifmsh->bss[0];
hapd->num_plinks = 0;
hostapd_free_stas(hapd);
+ eloop_cancel_timeout(peer_add_timer, wpa_s, NULL);
}
struct sta_info *sta;
int ret;
+ if (elems->mesh_config_len >= 7 &&
+ !(elems->mesh_config[6] & MESH_CAP_ACCEPT_ADDITIONAL_PEER)) {
+ wpa_msg(wpa_s, MSG_DEBUG,
+ "mesh: Ignore a crowded peer " MACSTR,
+ MAC2STR(addr));
+ return NULL;
+ }
+
sta = ap_get_sta(data, addr);
if (!sta) {
sta = ap_sta_add(data, addr);
return NULL;
}
- mesh_mpm_init_link(wpa_s, sta);
+ if (!sta->my_lid)
+ mesh_mpm_init_link(wpa_s, sta);
#ifdef CONFIG_IEEE80211N
copy_sta_ht_capab(data, sta, elems->ht_capabilities);
if (!sta)
return;
- if (ssid && ssid->no_auto_peer) {
+ if (ssid && ssid->no_auto_peer &&
+ (is_zero_ether_addr(data->mesh_required_peer) ||
+ os_memcmp(data->mesh_required_peer, addr, ETH_ALEN) != 0)) {
wpa_msg(wpa_s, MSG_INFO, "will not initiate new peer link with "
MACSTR " because of no_auto_peer", MAC2STR(addr));
if (data->mesh_pending_auth) {
return;
}
- if (conf->security == MESH_CONF_SEC_NONE)
- mesh_mpm_plink_open(wpa_s, sta, PLINK_OPEN_SENT);
- else
+ if (conf->security == MESH_CONF_SEC_NONE) {
+ if (sta->plink_state < PLINK_OPEN_SENT ||
+ sta->plink_state > PLINK_ESTAB)
+ mesh_mpm_plink_open(wpa_s, sta, PLINK_OPEN_SENT);
+ } else {
mesh_rsn_auth_sae_sta(wpa_s, sta);
+ }
}
MAC2STR(sta->addr));
if (conf->security & MESH_CONF_SEC_AMPE) {
- wpa_drv_set_key(wpa_s, WPA_ALG_CCMP, sta->addr, 0, 0,
- seq, sizeof(seq), sta->mtk, sizeof(sta->mtk));
- wpa_drv_set_key(wpa_s, WPA_ALG_CCMP, sta->addr, 1, 0,
- seq, sizeof(seq),
- sta->mgtk, sizeof(sta->mgtk));
- wpa_drv_set_key(wpa_s, WPA_ALG_IGTK, sta->addr, 4, 0,
- seq, sizeof(seq),
- sta->mgtk, sizeof(sta->mgtk));
-
- wpa_hexdump_key(MSG_DEBUG, "mtk:", sta->mtk, sizeof(sta->mtk));
- wpa_hexdump_key(MSG_DEBUG, "mgtk:",
- sta->mgtk, sizeof(sta->mgtk));
+ wpa_hexdump_key(MSG_DEBUG, "mesh: MTK", sta->mtk, sta->mtk_len);
+ wpa_drv_set_key(wpa_s, wpa_cipher_to_alg(conf->pairwise_cipher),
+ sta->addr, 0, 0, seq, sizeof(seq),
+ sta->mtk, sta->mtk_len);
+
+ wpa_hexdump_key(MSG_DEBUG, "mesh: RX MGTK Key RSC",
+ sta->mgtk_rsc, sizeof(sta->mgtk_rsc));
+ wpa_hexdump_key(MSG_DEBUG, "mesh: RX MGTK",
+ sta->mgtk, sta->mgtk_len);
+ wpa_drv_set_key(wpa_s, wpa_cipher_to_alg(conf->group_cipher),
+ sta->addr, sta->mgtk_key_id, 0,
+ sta->mgtk_rsc, sizeof(sta->mgtk_rsc),
+ sta->mgtk, sta->mgtk_len);
+
+ if (sta->igtk_len) {
+ wpa_hexdump_key(MSG_DEBUG, "mesh: RX IGTK Key RSC",
+ sta->igtk_rsc, sizeof(sta->igtk_rsc));
+ wpa_hexdump_key(MSG_DEBUG, "mesh: RX IGTK",
+ sta->igtk, sta->igtk_len);
+ wpa_drv_set_key(
+ wpa_s,
+ wpa_cipher_to_alg(conf->mgmt_group_cipher),
+ sta->addr, sta->igtk_key_id, 0,
+ sta->igtk_rsc, sizeof(sta->igtk_rsc),
+ sta->igtk, sta->igtk_len);
+ }
}
wpa_mesh_set_plink_state(wpa_s, sta, PLINK_ESTAB);
hapd->num_plinks++;
sta->flags |= WLAN_STA_ASSOC;
+ sta->mesh_sae_pmksa_caching = 0;
+ eloop_cancel_timeout(peer_add_timer, wpa_s, NULL);
+ peer_add_timer(wpa_s, NULL);
eloop_cancel_timeout(plink_timer, wpa_s, sta);
/* Send ctrl event */
break;
case CNF_ACPT:
wpa_mesh_set_plink_state(wpa_s, sta, PLINK_CNF_RCVD);
+ eloop_cancel_timeout(plink_timer, wpa_s, sta);
eloop_register_timeout(
conf->dot11MeshConfirmTimeout / 1000,
(conf->dot11MeshConfirmTimeout % 1000) * 1000,
PLINK_CLOSE, reason);
break;
case OPN_ACPT:
+ if (conf->security & MESH_CONF_SEC_AMPE)
+ mesh_rsn_derive_mtk(wpa_s, sta);
mesh_mpm_plink_estab(wpa_s, sta);
mesh_mpm_send_plink_action(wpa_s, sta,
PLINK_CONFIRM, 0);
llid = WPA_GET_LE16(peer_mgmt_ie.plid);
wpa_printf(MSG_DEBUG, "MPM: plid=0x%x llid=0x%x", plid, llid);
+ if (action_field == PLINK_CLOSE)
+ wpa_printf(MSG_DEBUG, "MPM: close reason=%u",
+ WPA_GET_LE16(peer_mgmt_ie.reason));
+
sta = ap_get_sta(hapd, mgmt->sa);
/*
* open mesh, then go ahead and add the peer before proceeding.
*/
if (!sta && action_field == PLINK_OPEN &&
- !(mconf->security & MESH_CONF_SEC_AMPE))
+ (!(mconf->security & MESH_CONF_SEC_AMPE) ||
+ wpa_auth_pmksa_get(hapd->wpa_auth, mgmt->sa)))
sta = mesh_mpm_add_peer(wpa_s, mgmt->sa, &elems);
if (!sta) {
if (!sta->my_lid)
mesh_mpm_init_link(wpa_s, sta);
- if ((mconf->security & MESH_CONF_SEC_AMPE) &&
- mesh_rsn_process_ampe(wpa_s, sta, &elems,
- &mgmt->u.action.category,
- peer_mgmt_ie.chosen_pmk,
- ies, ie_len)) {
- wpa_printf(MSG_DEBUG, "MPM: RSN process rejected frame");
- return;
+ if (mconf->security & MESH_CONF_SEC_AMPE) {
+ int res;
+
+ res = mesh_rsn_process_ampe(wpa_s, sta, &elems,
+ &mgmt->u.action.category,
+ peer_mgmt_ie.chosen_pmk,
+ ies, ie_len);
+ if (res) {
+ wpa_printf(MSG_DEBUG,
+ "MPM: RSN process rejected frame (res=%d)",
+ res);
+ if (action_field == PLINK_OPEN && res == -2) {
+ /* AES-SIV decryption failed */
+ mesh_mpm_fsm(wpa_s, sta, OPN_RJCT);
+ }
+ return;
+ }
}
if (sta->plink_state == PLINK_BLOCKED) {
/* called by ap_free_sta */
-void mesh_mpm_free_sta(struct sta_info *sta)
+void mesh_mpm_free_sta(struct hostapd_data *hapd, struct sta_info *sta)
{
+ if (sta->plink_state == PLINK_ESTAB)
+ hapd->num_plinks--;
eloop_cancel_timeout(plink_timer, ELOOP_ALL_CTX, sta);
eloop_cancel_timeout(mesh_auth_timer, ELOOP_ALL_CTX, sta);
}
projects / mech_eap.git / blobdiff