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Diffstat (limited to 'src/ap/ieee802_1x.c')
-rw-r--r--src/ap/ieee802_1x.c692
1 files changed, 522 insertions, 170 deletions
diff --git a/src/ap/ieee802_1x.c b/src/ap/ieee802_1x.c
index d9c21a8b8117f..79dc0f9574880 100644
--- a/src/ap/ieee802_1x.c
+++ b/src/ap/ieee802_1x.c
@@ -29,11 +29,14 @@
#include "pmksa_cache_auth.h"
#include "ap_config.h"
#include "ap_drv_ops.h"
+#include "wps_hostapd.h"
+#include "hs20.h"
#include "ieee802_1x.h"
static void ieee802_1x_finished(struct hostapd_data *hapd,
- struct sta_info *sta, int success);
+ struct sta_info *sta, int success,
+ int remediation);
static void ieee802_1x_send(struct hostapd_data *hapd, struct sta_info *sta,
@@ -63,6 +66,20 @@ static void ieee802_1x_send(struct hostapd_data *hapd, struct sta_info *sta,
if (wpa_auth_pairwise_set(sta->wpa_sm))
encrypt = 1;
+#ifdef CONFIG_TESTING_OPTIONS
+ if (hapd->ext_eapol_frame_io) {
+ size_t hex_len = 2 * len + 1;
+ char *hex = os_malloc(hex_len);
+
+ if (hex) {
+ wpa_snprintf_hex(hex, hex_len, buf, len);
+ wpa_msg(hapd->msg_ctx, MSG_INFO,
+ "EAPOL-TX " MACSTR " %s",
+ MAC2STR(sta->addr), hex);
+ os_free(hex);
+ }
+ } else
+#endif /* CONFIG_TESTING_OPTIONS */
if (sta->flags & WLAN_STA_PREAUTH) {
rsn_preauth_send(hapd, sta, buf, len);
} else {
@@ -96,12 +113,13 @@ void ieee802_1x_set_sta_authorized(struct hostapd_data *hapd,
}
if (res && errno != ENOENT) {
- printf("Could not set station " MACSTR " flags for kernel "
- "driver (errno=%d).\n", MAC2STR(sta->addr), errno);
+ wpa_printf(MSG_DEBUG, "Could not set station " MACSTR
+ " flags for kernel driver (errno=%d).",
+ MAC2STR(sta->addr), errno);
}
if (authorized) {
- os_get_time(&sta->connected_time);
+ os_get_reltime(&sta->connected_time);
accounting_sta_start(hapd, sta);
}
}
@@ -186,114 +204,10 @@ static void ieee802_1x_tx_key_one(struct hostapd_data *hapd,
}
-#ifndef CONFIG_NO_VLAN
-static struct hostapd_wep_keys *
-ieee802_1x_group_alloc(struct hostapd_data *hapd, const char *ifname)
-{
- struct hostapd_wep_keys *key;
-
- key = os_zalloc(sizeof(*key));
- if (key == NULL)
- return NULL;
-
- key->default_len = hapd->conf->default_wep_key_len;
-
- if (key->idx >= hapd->conf->broadcast_key_idx_max ||
- key->idx < hapd->conf->broadcast_key_idx_min)
- key->idx = hapd->conf->broadcast_key_idx_min;
- else
- key->idx++;
-
- if (!key->key[key->idx])
- key->key[key->idx] = os_malloc(key->default_len);
- if (key->key[key->idx] == NULL ||
- random_get_bytes(key->key[key->idx], key->default_len)) {
- printf("Could not generate random WEP key (dynamic VLAN).\n");
- os_free(key->key[key->idx]);
- key->key[key->idx] = NULL;
- os_free(key);
- return NULL;
- }
- key->len[key->idx] = key->default_len;
-
- wpa_printf(MSG_DEBUG, "%s: Default WEP idx %d for dynamic VLAN\n",
- ifname, key->idx);
- wpa_hexdump_key(MSG_DEBUG, "Default WEP key (dynamic VLAN)",
- key->key[key->idx], key->len[key->idx]);
-
- if (hostapd_drv_set_key(ifname, hapd, WPA_ALG_WEP,
- broadcast_ether_addr, key->idx, 1,
- NULL, 0, key->key[key->idx],
- key->len[key->idx]))
- printf("Could not set dynamic VLAN WEP encryption key.\n");
-
- hostapd_set_drv_ieee8021x(hapd, ifname, 1);
-
- return key;
-}
-
-
-static struct hostapd_wep_keys *
-ieee802_1x_get_group(struct hostapd_data *hapd, struct hostapd_ssid *ssid,
- size_t vlan_id)
-{
- const char *ifname;
-
- if (vlan_id == 0)
- return &ssid->wep;
-
- if (vlan_id <= ssid->max_dyn_vlan_keys && ssid->dyn_vlan_keys &&
- ssid->dyn_vlan_keys[vlan_id])
- return ssid->dyn_vlan_keys[vlan_id];
-
- wpa_printf(MSG_DEBUG, "IEEE 802.1X: Creating new group "
- "state machine for VLAN ID %lu",
- (unsigned long) vlan_id);
-
- ifname = hostapd_get_vlan_id_ifname(hapd->conf->vlan, vlan_id);
- if (ifname == NULL) {
- wpa_printf(MSG_DEBUG, "IEEE 802.1X: Unknown VLAN ID %lu - "
- "cannot create group key state machine",
- (unsigned long) vlan_id);
- return NULL;
- }
-
- if (ssid->dyn_vlan_keys == NULL) {
- int size = (vlan_id + 1) * sizeof(ssid->dyn_vlan_keys[0]);
- ssid->dyn_vlan_keys = os_zalloc(size);
- if (ssid->dyn_vlan_keys == NULL)
- return NULL;
- ssid->max_dyn_vlan_keys = vlan_id;
- }
-
- if (ssid->max_dyn_vlan_keys < vlan_id) {
- struct hostapd_wep_keys **na;
- int size = (vlan_id + 1) * sizeof(ssid->dyn_vlan_keys[0]);
- na = os_realloc(ssid->dyn_vlan_keys, size);
- if (na == NULL)
- return NULL;
- ssid->dyn_vlan_keys = na;
- os_memset(&ssid->dyn_vlan_keys[ssid->max_dyn_vlan_keys + 1], 0,
- (vlan_id - ssid->max_dyn_vlan_keys) *
- sizeof(ssid->dyn_vlan_keys[0]));
- ssid->max_dyn_vlan_keys = vlan_id;
- }
-
- ssid->dyn_vlan_keys[vlan_id] = ieee802_1x_group_alloc(hapd, ifname);
-
- return ssid->dyn_vlan_keys[vlan_id];
-}
-#endif /* CONFIG_NO_VLAN */
-
-
void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta)
{
struct eapol_authenticator *eapol = hapd->eapol_auth;
struct eapol_state_machine *sm = sta->eapol_sm;
-#ifndef CONFIG_NO_VLAN
- struct hostapd_wep_keys *key = NULL;
- int vlan_id;
-#endif /* CONFIG_NO_VLAN */
if (sm == NULL || !sm->eap_if->eapKeyData)
return;
@@ -302,18 +216,12 @@ void ieee802_1x_tx_key(struct hostapd_data *hapd, struct sta_info *sta)
MAC2STR(sta->addr));
#ifndef CONFIG_NO_VLAN
- vlan_id = sta->vlan_id;
- if (vlan_id < 0 || vlan_id > MAX_VLAN_ID)
- vlan_id = 0;
-
- if (vlan_id) {
- key = ieee802_1x_get_group(hapd, sta->ssid, vlan_id);
- if (key && key->key[key->idx])
- ieee802_1x_tx_key_one(hapd, sta, key->idx, 1,
- key->key[key->idx],
- key->len[key->idx]);
- } else
+ if (sta->vlan_id > 0 && sta->vlan_id <= MAX_VLAN_ID) {
+ wpa_printf(MSG_ERROR, "Using WEP with vlans is not supported.");
+ return;
+ }
#endif /* CONFIG_NO_VLAN */
+
if (eapol->default_wep_key) {
ieee802_1x_tx_key_one(hapd, sta, eapol->default_wep_key_idx, 1,
eapol->default_wep_key,
@@ -388,9 +296,15 @@ static void ieee802_1x_learn_identity(struct hostapd_data *hapd,
{
const u8 *identity;
size_t identity_len;
+ const struct eap_hdr *hdr = (const struct eap_hdr *) eap;
if (len <= sizeof(struct eap_hdr) ||
- eap[sizeof(struct eap_hdr)] != EAP_TYPE_IDENTITY)
+ (hdr->code == EAP_CODE_RESPONSE &&
+ eap[sizeof(struct eap_hdr)] != EAP_TYPE_IDENTITY) ||
+ (hdr->code == EAP_CODE_INITIATE &&
+ eap[sizeof(struct eap_hdr)] != EAP_ERP_TYPE_REAUTH) ||
+ (hdr->code != EAP_CODE_RESPONSE &&
+ hdr->code != EAP_CODE_INITIATE))
return;
identity = eap_get_identity(sm->eap, &identity_len);
@@ -399,21 +313,80 @@ static void ieee802_1x_learn_identity(struct hostapd_data *hapd,
/* Save station identity for future RADIUS packets */
os_free(sm->identity);
- sm->identity = os_malloc(identity_len + 1);
+ sm->identity = (u8 *) dup_binstr(identity, identity_len);
if (sm->identity == NULL) {
sm->identity_len = 0;
return;
}
- os_memcpy(sm->identity, identity, identity_len);
sm->identity_len = identity_len;
- sm->identity[identity_len] = '\0';
hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X,
HOSTAPD_LEVEL_DEBUG, "STA identity '%s'", sm->identity);
sm->dot1xAuthEapolRespIdFramesRx++;
}
+static int add_common_radius_sta_attr_rsn(struct hostapd_data *hapd,
+ struct hostapd_radius_attr *req_attr,
+ struct sta_info *sta,
+ struct radius_msg *msg)
+{
+ u32 suite;
+ int ver, val;
+
+ ver = wpa_auth_sta_wpa_version(sta->wpa_sm);
+ val = wpa_auth_get_pairwise(sta->wpa_sm);
+ suite = wpa_cipher_to_suite(ver, val);
+ if (val != -1 &&
+ !hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_WLAN_PAIRWISE_CIPHER) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_WLAN_PAIRWISE_CIPHER,
+ suite)) {
+ wpa_printf(MSG_ERROR, "Could not add WLAN-Pairwise-Cipher");
+ return -1;
+ }
+
+ suite = wpa_cipher_to_suite((hapd->conf->wpa & 0x2) ?
+ WPA_PROTO_RSN : WPA_PROTO_WPA,
+ hapd->conf->wpa_group);
+ if (!hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_WLAN_GROUP_CIPHER) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_WLAN_GROUP_CIPHER,
+ suite)) {
+ wpa_printf(MSG_ERROR, "Could not add WLAN-Group-Cipher");
+ return -1;
+ }
+
+ val = wpa_auth_sta_key_mgmt(sta->wpa_sm);
+ suite = wpa_akm_to_suite(val);
+ if (val != -1 &&
+ !hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_WLAN_AKM_SUITE) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_WLAN_AKM_SUITE,
+ suite)) {
+ wpa_printf(MSG_ERROR, "Could not add WLAN-AKM-Suite");
+ return -1;
+ }
+
+#ifdef CONFIG_IEEE80211W
+ if (hapd->conf->ieee80211w != NO_MGMT_FRAME_PROTECTION) {
+ suite = wpa_cipher_to_suite(WPA_PROTO_RSN,
+ hapd->conf->group_mgmt_cipher);
+ if (!hostapd_config_get_radius_attr(
+ req_attr, RADIUS_ATTR_WLAN_GROUP_MGMT_CIPHER) &&
+ !radius_msg_add_attr_int32(
+ msg, RADIUS_ATTR_WLAN_GROUP_MGMT_CIPHER, suite)) {
+ wpa_printf(MSG_ERROR,
+ "Could not add WLAN-Group-Mgmt-Cipher");
+ return -1;
+ }
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ return 0;
+}
+
+
static int add_common_radius_sta_attr(struct hostapd_data *hapd,
struct hostapd_radius_attr *req_attr,
struct sta_info *sta,
@@ -465,6 +438,25 @@ static int add_common_radius_sta_attr(struct hostapd_data *hapd,
}
}
+#ifdef CONFIG_IEEE80211R
+ if (hapd->conf->wpa && wpa_key_mgmt_ft(hapd->conf->wpa_key_mgmt) &&
+ sta->wpa_sm &&
+ (wpa_key_mgmt_ft(wpa_auth_sta_key_mgmt(sta->wpa_sm)) ||
+ sta->auth_alg == WLAN_AUTH_FT) &&
+ !hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_MOBILITY_DOMAIN_ID) &&
+ !radius_msg_add_attr_int32(msg, RADIUS_ATTR_MOBILITY_DOMAIN_ID,
+ WPA_GET_BE16(
+ hapd->conf->mobility_domain))) {
+ wpa_printf(MSG_ERROR, "Could not add Mobility-Domain-Id");
+ return -1;
+ }
+#endif /* CONFIG_IEEE80211R */
+
+ if (hapd->conf->wpa && sta->wpa_sm &&
+ add_common_radius_sta_attr_rsn(hapd, req_attr, sta, msg) < 0)
+ return -1;
+
return 0;
}
@@ -528,6 +520,22 @@ int add_common_radius_attr(struct hostapd_data *hapd,
return -1;
}
+#ifdef CONFIG_INTERWORKING
+ if (hapd->conf->interworking &&
+ !is_zero_ether_addr(hapd->conf->hessid)) {
+ os_snprintf(buf, sizeof(buf), RADIUS_802_1X_ADDR_FORMAT,
+ MAC2STR(hapd->conf->hessid));
+ buf[sizeof(buf) - 1] = '\0';
+ if (!hostapd_config_get_radius_attr(req_attr,
+ RADIUS_ATTR_WLAN_HESSID) &&
+ !radius_msg_add_attr(msg, RADIUS_ATTR_WLAN_HESSID,
+ (u8 *) buf, os_strlen(buf))) {
+ wpa_printf(MSG_ERROR, "Could not add WLAN-HESSID");
+ return -1;
+ }
+ }
+#endif /* CONFIG_INTERWORKING */
+
if (sta && add_common_radius_sta_attr(hapd, req_attr, sta, msg) < 0)
return -1;
@@ -564,7 +572,7 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
msg = radius_msg_new(RADIUS_CODE_ACCESS_REQUEST,
sm->radius_identifier);
if (msg == NULL) {
- printf("Could not create net RADIUS packet\n");
+ wpa_printf(MSG_INFO, "Could not create new RADIUS packet");
return;
}
@@ -573,7 +581,7 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
if (sm->identity &&
!radius_msg_add_attr(msg, RADIUS_ATTR_USER_NAME,
sm->identity, sm->identity_len)) {
- printf("Could not add User-Name\n");
+ wpa_printf(MSG_INFO, "Could not add User-Name");
goto fail;
}
@@ -587,12 +595,12 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
if (!hostapd_config_get_radius_attr(hapd->conf->radius_auth_req_attr,
RADIUS_ATTR_FRAMED_MTU) &&
!radius_msg_add_attr_int32(msg, RADIUS_ATTR_FRAMED_MTU, 1400)) {
- printf("Could not add Framed-MTU\n");
+ wpa_printf(MSG_INFO, "Could not add Framed-MTU");
goto fail;
}
if (eap && !radius_msg_add_eap(msg, eap, len)) {
- printf("Could not add EAP-Message\n");
+ wpa_printf(MSG_INFO, "Could not add EAP-Message");
goto fail;
}
@@ -604,8 +612,7 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
int res = radius_msg_copy_attr(msg, sm->last_recv_radius,
RADIUS_ATTR_STATE);
if (res < 0) {
- printf("Could not copy State attribute from previous "
- "Access-Challenge\n");
+ wpa_printf(MSG_INFO, "Could not copy State attribute from previous Access-Challenge");
goto fail;
}
if (res > 0) {
@@ -632,6 +639,41 @@ static void ieee802_1x_encapsulate_radius(struct hostapd_data *hapd,
}
}
+#ifdef CONFIG_HS20
+ if (hapd->conf->hs20) {
+ u8 ver = 1; /* Release 2 */
+ if (!radius_msg_add_wfa(
+ msg, RADIUS_VENDOR_ATTR_WFA_HS20_AP_VERSION,
+ &ver, 1)) {
+ wpa_printf(MSG_ERROR, "Could not add HS 2.0 AP "
+ "version");
+ goto fail;
+ }
+
+ if (sta->hs20_ie && wpabuf_len(sta->hs20_ie) > 0) {
+ const u8 *pos;
+ u8 buf[3];
+ u16 id;
+ pos = wpabuf_head_u8(sta->hs20_ie);
+ buf[0] = (*pos) >> 4;
+ if (((*pos) & HS20_PPS_MO_ID_PRESENT) &&
+ wpabuf_len(sta->hs20_ie) >= 3)
+ id = WPA_GET_LE16(pos + 1);
+ else
+ id = 0;
+ WPA_PUT_BE16(buf + 1, id);
+ if (!radius_msg_add_wfa(
+ msg,
+ RADIUS_VENDOR_ATTR_WFA_HS20_STA_VERSION,
+ buf, sizeof(buf))) {
+ wpa_printf(MSG_ERROR, "Could not add HS 2.0 "
+ "STA version");
+ goto fail;
+ }
+ }
+ }
+#endif /* CONFIG_HS20 */
+
if (radius_client_send(hapd->radius, msg, RADIUS_AUTH, sta->addr) < 0)
goto fail;
@@ -655,7 +697,7 @@ static void handle_eap_response(struct hostapd_data *hapd,
data = (u8 *) (eap + 1);
if (len < sizeof(*eap) + 1) {
- printf("handle_eap_response: too short response data\n");
+ wpa_printf(MSG_INFO, "handle_eap_response: too short response data");
return;
}
@@ -675,6 +717,39 @@ static void handle_eap_response(struct hostapd_data *hapd,
}
+static void handle_eap_initiate(struct hostapd_data *hapd,
+ struct sta_info *sta, struct eap_hdr *eap,
+ size_t len)
+{
+#ifdef CONFIG_ERP
+ u8 type, *data;
+ struct eapol_state_machine *sm = sta->eapol_sm;
+
+ if (sm == NULL)
+ return;
+
+ if (len < sizeof(*eap) + 1) {
+ wpa_printf(MSG_INFO,
+ "handle_eap_initiate: too short response data");
+ return;
+ }
+
+ data = (u8 *) (eap + 1);
+ type = data[0];
+
+ hostapd_logger(hapd, sm->addr, HOSTAPD_MODULE_IEEE8021X,
+ HOSTAPD_LEVEL_DEBUG, "received EAP packet (code=%d "
+ "id=%d len=%d) from STA: EAP Initiate type %u",
+ eap->code, eap->identifier, be_to_host16(eap->length),
+ type);
+
+ wpabuf_free(sm->eap_if->eapRespData);
+ sm->eap_if->eapRespData = wpabuf_alloc_copy(eap, len);
+ sm->eapolEap = TRUE;
+#endif /* CONFIG_ERP */
+}
+
+
/* Process incoming EAP packet from Supplicant */
static void handle_eap(struct hostapd_data *hapd, struct sta_info *sta,
u8 *buf, size_t len)
@@ -683,7 +758,7 @@ static void handle_eap(struct hostapd_data *hapd, struct sta_info *sta,
u16 eap_len;
if (len < sizeof(*eap)) {
- printf(" too short EAP packet\n");
+ wpa_printf(MSG_INFO, " too short EAP packet");
return;
}
@@ -718,6 +793,13 @@ static void handle_eap(struct hostapd_data *hapd, struct sta_info *sta,
case EAP_CODE_FAILURE:
wpa_printf(MSG_DEBUG, " (failure)");
return;
+ case EAP_CODE_INITIATE:
+ wpa_printf(MSG_DEBUG, " (initiate)");
+ handle_eap_initiate(hapd, sta, eap, eap_len);
+ break;
+ case EAP_CODE_FINISH:
+ wpa_printf(MSG_DEBUG, " (finish)");
+ break;
default:
wpa_printf(MSG_DEBUG, " (unknown code)");
return;
@@ -761,7 +843,7 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
struct rsn_pmksa_cache_entry *pmksa;
int key_mgmt;
- if (!hapd->conf->ieee802_1x && !hapd->conf->wpa &&
+ if (!hapd->conf->ieee802_1x && !hapd->conf->wpa && !hapd->conf->osen &&
!hapd->conf->wps_state)
return;
@@ -776,7 +858,7 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
}
if (len < sizeof(*hdr)) {
- printf(" too short IEEE 802.1X packet\n");
+ wpa_printf(MSG_INFO, " too short IEEE 802.1X packet");
return;
}
@@ -786,7 +868,7 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
hdr->version, hdr->type, datalen);
if (len - sizeof(*hdr) < datalen) {
- printf(" frame too short for this IEEE 802.1X packet\n");
+ wpa_printf(MSG_INFO, " frame too short for this IEEE 802.1X packet");
if (sta->eapol_sm)
sta->eapol_sm->dot1xAuthEapLengthErrorFramesRx++;
return;
@@ -812,7 +894,7 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
return;
}
- if (!hapd->conf->ieee802_1x &&
+ if (!hapd->conf->ieee802_1x && !hapd->conf->osen &&
!(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) {
wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore EAPOL message - "
"802.1X not enabled and WPS not used");
@@ -832,7 +914,7 @@ void ieee802_1x_receive(struct hostapd_data *hapd, const u8 *sa, const u8 *buf,
return;
#ifdef CONFIG_WPS
- if (!hapd->conf->ieee802_1x) {
+ if (!hapd->conf->ieee802_1x && hapd->conf->wps_state) {
u32 wflags = sta->flags & (WLAN_STA_WPS |
WLAN_STA_WPS2 |
WLAN_STA_MAYBE_WPS);
@@ -939,8 +1021,9 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
int key_mgmt;
#ifdef CONFIG_WPS
- if (hapd->conf->wps_state && hapd->conf->wpa &&
- (sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS))) {
+ if (hapd->conf->wps_state &&
+ ((hapd->conf->wpa && (sta->flags & WLAN_STA_MAYBE_WPS)) ||
+ (sta->flags & WLAN_STA_WPS))) {
/*
* Need to enable IEEE 802.1X/EAPOL state machines for possible
* WPS handshake even if IEEE 802.1X/EAPOL is not used for
@@ -950,7 +1033,7 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
}
#endif /* CONFIG_WPS */
- if (!force_1x && !hapd->conf->ieee802_1x) {
+ if (!force_1x && !hapd->conf->ieee802_1x && !hapd->conf->osen) {
wpa_printf(MSG_DEBUG, "IEEE 802.1X: Ignore STA - "
"802.1X not enabled or forced for WPS");
/*
@@ -988,7 +1071,8 @@ void ieee802_1x_new_station(struct hostapd_data *hapd, struct sta_info *sta)
#ifdef CONFIG_WPS
sta->eapol_sm->flags &= ~EAPOL_SM_WAIT_START;
- if (!hapd->conf->ieee802_1x && !(sta->flags & WLAN_STA_WPS2)) {
+ if (!hapd->conf->ieee802_1x && hapd->conf->wps_state &&
+ !(sta->flags & WLAN_STA_WPS2)) {
/*
* Delay EAPOL frame transmission until a possible WPS STA
* initiates the handshake with EAPOL-Start. Only allow the
@@ -1127,15 +1211,11 @@ static void ieee802_1x_decapsulate_radius(struct hostapd_data *hapd,
if (eap_type >= 0)
sm->eap_type_authsrv = eap_type;
os_snprintf(buf, sizeof(buf), "EAP-Request-%s (%d)",
- eap_type >= 0 ? eap_server_get_name(0, eap_type) :
- "??",
- eap_type);
+ eap_server_get_name(0, eap_type), eap_type);
break;
case EAP_CODE_RESPONSE:
os_snprintf(buf, sizeof(buf), "EAP Response-%s (%d)",
- eap_type >= 0 ? eap_server_get_name(0, eap_type) :
- "??",
- eap_type);
+ eap_server_get_name(0, eap_type), eap_type);
break;
case EAP_CODE_SUCCESS:
os_strlcpy(buf, "EAP Success", sizeof(buf));
@@ -1191,6 +1271,11 @@ static void ieee802_1x_get_keys(struct hostapd_data *hapd,
sm->eap_if->aaaEapKeyDataLen = len;
sm->eap_if->aaaEapKeyAvailable = TRUE;
}
+ } else {
+ wpa_printf(MSG_DEBUG,
+ "MS-MPPE: 1x_get_keys, could not get keys: %p send: %p recv: %p",
+ keys, keys ? keys->send : NULL,
+ keys ? keys->recv : NULL);
}
if (keys) {
@@ -1272,13 +1357,10 @@ static void ieee802_1x_update_sta_identity(struct hostapd_data *hapd,
NULL) < 0)
return;
- identity = os_malloc(len + 1);
+ identity = (u8 *) dup_binstr(buf, len);
if (identity == NULL)
return;
- os_memcpy(identity, buf, len);
- identity[len] = '\0';
-
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_IEEE8021X,
HOSTAPD_LEVEL_DEBUG, "old identity '%s' updated with "
"User-Name from Access-Accept '%s'",
@@ -1317,6 +1399,147 @@ static void ieee802_1x_update_sta_cui(struct hostapd_data *hapd,
}
+#ifdef CONFIG_HS20
+
+static void ieee802_1x_hs20_sub_rem(struct sta_info *sta, u8 *pos, size_t len)
+{
+ sta->remediation = 1;
+ os_free(sta->remediation_url);
+ if (len > 2) {
+ sta->remediation_url = os_malloc(len);
+ if (!sta->remediation_url)
+ return;
+ sta->remediation_method = pos[0];
+ os_memcpy(sta->remediation_url, pos + 1, len - 1);
+ sta->remediation_url[len - 1] = '\0';
+ wpa_printf(MSG_DEBUG, "HS 2.0: Subscription remediation needed "
+ "for " MACSTR " - server method %u URL %s",
+ MAC2STR(sta->addr), sta->remediation_method,
+ sta->remediation_url);
+ } else {
+ sta->remediation_url = NULL;
+ wpa_printf(MSG_DEBUG, "HS 2.0: Subscription remediation needed "
+ "for " MACSTR, MAC2STR(sta->addr));
+ }
+ /* TODO: assign the STA into remediation VLAN or add filtering */
+}
+
+
+static void ieee802_1x_hs20_deauth_req(struct hostapd_data *hapd,
+ struct sta_info *sta, u8 *pos,
+ size_t len)
+{
+ if (len < 3)
+ return; /* Malformed information */
+ sta->hs20_deauth_requested = 1;
+ wpa_printf(MSG_DEBUG, "HS 2.0: Deauthentication request - Code %u "
+ "Re-auth Delay %u",
+ *pos, WPA_GET_LE16(pos + 1));
+ wpabuf_free(sta->hs20_deauth_req);
+ sta->hs20_deauth_req = wpabuf_alloc(len + 1);
+ if (sta->hs20_deauth_req) {
+ wpabuf_put_data(sta->hs20_deauth_req, pos, 3);
+ wpabuf_put_u8(sta->hs20_deauth_req, len - 3);
+ wpabuf_put_data(sta->hs20_deauth_req, pos + 3, len - 3);
+ }
+ ap_sta_session_timeout(hapd, sta, hapd->conf->hs20_deauth_req_timeout);
+}
+
+
+static void ieee802_1x_hs20_session_info(struct hostapd_data *hapd,
+ struct sta_info *sta, u8 *pos,
+ size_t len, int session_timeout)
+{
+ unsigned int swt;
+ int warning_time, beacon_int;
+
+ if (len < 1)
+ return; /* Malformed information */
+ os_free(sta->hs20_session_info_url);
+ sta->hs20_session_info_url = os_malloc(len);
+ if (sta->hs20_session_info_url == NULL)
+ return;
+ swt = pos[0];
+ os_memcpy(sta->hs20_session_info_url, pos + 1, len - 1);
+ sta->hs20_session_info_url[len - 1] = '\0';
+ wpa_printf(MSG_DEBUG, "HS 2.0: Session Information URL='%s' SWT=%u "
+ "(session_timeout=%d)",
+ sta->hs20_session_info_url, swt, session_timeout);
+ if (session_timeout < 0) {
+ wpa_printf(MSG_DEBUG, "HS 2.0: No Session-Timeout set - ignore session info URL");
+ return;
+ }
+ if (swt == 255)
+ swt = 1; /* Use one minute as the AP selected value */
+
+ if ((unsigned int) session_timeout < swt * 60)
+ warning_time = 0;
+ else
+ warning_time = session_timeout - swt * 60;
+
+ beacon_int = hapd->iconf->beacon_int;
+ if (beacon_int < 1)
+ beacon_int = 100; /* best guess */
+ sta->hs20_disassoc_timer = swt * 60 * 1000 / beacon_int * 125 / 128;
+ if (sta->hs20_disassoc_timer > 65535)
+ sta->hs20_disassoc_timer = 65535;
+
+ ap_sta_session_warning_timeout(hapd, sta, warning_time);
+}
+
+#endif /* CONFIG_HS20 */
+
+
+static void ieee802_1x_check_hs20(struct hostapd_data *hapd,
+ struct sta_info *sta,
+ struct radius_msg *msg,
+ int session_timeout)
+{
+#ifdef CONFIG_HS20
+ u8 *buf, *pos, *end, type, sublen;
+ size_t len;
+
+ buf = NULL;
+ sta->remediation = 0;
+ sta->hs20_deauth_requested = 0;
+
+ for (;;) {
+ if (radius_msg_get_attr_ptr(msg, RADIUS_ATTR_VENDOR_SPECIFIC,
+ &buf, &len, buf) < 0)
+ break;
+ if (len < 6)
+ continue;
+ pos = buf;
+ end = buf + len;
+ if (WPA_GET_BE32(pos) != RADIUS_VENDOR_ID_WFA)
+ continue;
+ pos += 4;
+
+ type = *pos++;
+ sublen = *pos++;
+ if (sublen < 2)
+ continue; /* invalid length */
+ sublen -= 2; /* skip header */
+ if (pos + sublen > end)
+ continue; /* invalid WFA VSA */
+
+ switch (type) {
+ case RADIUS_VENDOR_ATTR_WFA_HS20_SUBSCR_REMEDIATION:
+ ieee802_1x_hs20_sub_rem(sta, pos, sublen);
+ break;
+ case RADIUS_VENDOR_ATTR_WFA_HS20_DEAUTH_REQ:
+ ieee802_1x_hs20_deauth_req(hapd, sta, pos, sublen);
+ break;
+ case RADIUS_VENDOR_ATTR_WFA_HS20_SESSION_INFO_URL:
+ ieee802_1x_hs20_session_info(hapd, sta, pos, sublen,
+ session_timeout);
+ break;
+ }
+ }
+#endif /* CONFIG_HS20 */
+}
+
+
struct sta_id_search {
u8 identifier;
struct eapol_state_machine *sm;
@@ -1391,15 +1614,14 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
"EAP-Message");
} else if (radius_msg_verify(msg, shared_secret, shared_secret_len,
req, 1)) {
- printf("Incoming RADIUS packet did not have correct "
- "Message-Authenticator - dropped\n");
+ wpa_printf(MSG_INFO, "Incoming RADIUS packet did not have correct Message-Authenticator - dropped");
return RADIUS_RX_INVALID_AUTHENTICATOR;
}
if (hdr->code != RADIUS_CODE_ACCESS_ACCEPT &&
hdr->code != RADIUS_CODE_ACCESS_REJECT &&
hdr->code != RADIUS_CODE_ACCESS_CHALLENGE) {
- printf("Unknown RADIUS message code\n");
+ wpa_printf(MSG_INFO, "Unknown RADIUS message code");
return RADIUS_RX_UNKNOWN;
}
@@ -1443,8 +1665,7 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
sta->vlan_id = radius_msg_get_vlanid(msg);
}
if (sta->vlan_id > 0 &&
- hostapd_get_vlan_id_ifname(hapd->conf->vlan,
- sta->vlan_id)) {
+ hostapd_vlan_id_valid(hapd->conf->vlan, sta->vlan_id)) {
hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
@@ -1463,6 +1684,9 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
if (ap_sta_bind_vlan(hapd, sta, old_vlanid) < 0)
break;
+ sta->session_timeout_set = !!session_timeout_set;
+ sta->session_timeout = session_timeout;
+
/* RFC 3580, Ch. 3.17 */
if (session_timeout_set && termination_action ==
RADIUS_TERMINATION_ACTION_RADIUS_REQUEST) {
@@ -1477,7 +1701,11 @@ ieee802_1x_receive_auth(struct radius_msg *msg, struct radius_msg *req,
ieee802_1x_store_radius_class(hapd, sta, msg);
ieee802_1x_update_sta_identity(hapd, sta, msg);
ieee802_1x_update_sta_cui(hapd, sta, msg);
- if (sm->eap_if->eapKeyAvailable &&
+ ieee802_1x_check_hs20(hapd, sta, msg,
+ session_timeout_set ?
+ (int) session_timeout : -1);
+ if (sm->eap_if->eapKeyAvailable && !sta->remediation &&
+ !sta->hs20_deauth_requested &&
wpa_auth_pmksa_add(sta->wpa_sm, sm->eapol_key_crypt,
session_timeout_set ?
(int) session_timeout : -1, sm) == 0) {
@@ -1564,7 +1792,7 @@ static int ieee802_1x_rekey_broadcast(struct hostapd_data *hapd)
if (eapol->default_wep_key == NULL ||
random_get_bytes(eapol->default_wep_key,
hapd->conf->default_wep_key_len)) {
- printf("Could not generate random WEP key.\n");
+ wpa_printf(MSG_INFO, "Could not generate random WEP key");
os_free(eapol->default_wep_key);
eapol->default_wep_key = NULL;
return -1;
@@ -1680,14 +1908,14 @@ static void ieee802_1x_aaa_send(void *ctx, void *sta_ctx,
static void _ieee802_1x_finished(void *ctx, void *sta_ctx, int success,
- int preauth)
+ int preauth, int remediation)
{
struct hostapd_data *hapd = ctx;
struct sta_info *sta = sta_ctx;
if (preauth)
rsn_preauth_finished(hapd, sta, success);
else
- ieee802_1x_finished(hapd, sta, success);
+ ieee802_1x_finished(hapd, sta, success, remediation);
}
@@ -1720,7 +1948,9 @@ static int ieee802_1x_get_eap_user(void *ctx, const u8 *identity,
user->password_hash = eap_user->password_hash;
}
user->force_version = eap_user->force_version;
+ user->macacl = eap_user->macacl;
user->ttls_auth = eap_user->ttls_auth;
+ user->remediation = eap_user->remediation;
return 0;
}
@@ -1804,12 +2034,43 @@ static void ieee802_1x_eapol_event(void *ctx, void *sta_ctx,
}
+#ifdef CONFIG_ERP
+
+static struct eap_server_erp_key *
+ieee802_1x_erp_get_key(void *ctx, const char *keyname)
+{
+ struct hostapd_data *hapd = ctx;
+ struct eap_server_erp_key *erp;
+
+ dl_list_for_each(erp, &hapd->erp_keys, struct eap_server_erp_key,
+ list) {
+ if (os_strcmp(erp->keyname_nai, keyname) == 0)
+ return erp;
+ }
+
+ return NULL;
+}
+
+
+static int ieee802_1x_erp_add_key(void *ctx, struct eap_server_erp_key *erp)
+{
+ struct hostapd_data *hapd = ctx;
+
+ dl_list_add(&hapd->erp_keys, &erp->list);
+ return 0;
+}
+
+#endif /* CONFIG_ERP */
+
+
int ieee802_1x_init(struct hostapd_data *hapd)
{
int i;
struct eapol_auth_config conf;
struct eapol_auth_cb cb;
+ dl_list_init(&hapd->erp_keys);
+
os_memset(&conf, 0, sizeof(conf));
conf.ctx = hapd;
conf.eap_reauth_period = hapd->conf->eap_reauth_period;
@@ -1821,6 +2082,9 @@ int ieee802_1x_init(struct hostapd_data *hapd)
conf.eap_sim_db_priv = hapd->eap_sim_db_priv;
conf.eap_req_id_text = hapd->conf->eap_req_id_text;
conf.eap_req_id_text_len = hapd->conf->eap_req_id_text_len;
+ conf.erp_send_reauth_start = hapd->conf->erp_send_reauth_start;
+ conf.erp_domain = hapd->conf->erp_domain;
+ conf.erp = hapd->conf->eap_server_erp;
conf.pac_opaque_encr_key = hapd->conf->pac_opaque_encr_key;
conf.eap_fast_a_id = hapd->conf->eap_fast_a_id;
conf.eap_fast_a_id_len = hapd->conf->eap_fast_a_id_len;
@@ -1834,6 +2098,13 @@ int ieee802_1x_init(struct hostapd_data *hapd)
conf.fragment_size = hapd->conf->fragment_size;
conf.pwd_group = hapd->conf->pwd_group;
conf.pbc_in_m1 = hapd->conf->pbc_in_m1;
+ if (hapd->conf->server_id) {
+ conf.server_id = (const u8 *) hapd->conf->server_id;
+ conf.server_id_len = os_strlen(hapd->conf->server_id);
+ } else {
+ conf.server_id = (const u8 *) "hostapd";
+ conf.server_id_len = 7;
+ }
os_memset(&cb, 0, sizeof(cb));
cb.eapol_send = ieee802_1x_eapol_send;
@@ -1846,6 +2117,10 @@ int ieee802_1x_init(struct hostapd_data *hapd)
cb.abort_auth = _ieee802_1x_abort_auth;
cb.tx_key = _ieee802_1x_tx_key;
cb.eapol_event = ieee802_1x_eapol_event;
+#ifdef CONFIG_ERP
+ cb.erp_get_key = ieee802_1x_erp_get_key;
+ cb.erp_add_key = ieee802_1x_erp_add_key;
+#endif /* CONFIG_ERP */
hapd->eapol_auth = eapol_auth_init(&conf, &cb);
if (hapd->eapol_auth == NULL)
@@ -1877,6 +2152,18 @@ int ieee802_1x_init(struct hostapd_data *hapd)
}
+void ieee802_1x_erp_flush(struct hostapd_data *hapd)
+{
+ struct eap_server_erp_key *erp;
+
+ while ((erp = dl_list_first(&hapd->erp_keys, struct eap_server_erp_key,
+ list)) != NULL) {
+ dl_list_del(&erp->list);
+ bin_clear_free(erp, sizeof(*erp));
+ }
+}
+
+
void ieee802_1x_deinit(struct hostapd_data *hapd)
{
eloop_cancel_timeout(ieee802_1x_rekey, hapd, NULL);
@@ -1887,6 +2174,8 @@ void ieee802_1x_deinit(struct hostapd_data *hapd)
eapol_auth_deinit(hapd->eapol_auth);
hapd->eapol_auth = NULL;
+
+ ieee802_1x_erp_flush(hapd);
}
@@ -2061,7 +2350,9 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
{
int len = 0, ret;
struct eapol_state_machine *sm = sta->eapol_sm;
- struct os_time t;
+ struct os_reltime diff;
+ const char *name1;
+ const char *name2;
if (sm == NULL)
return 0;
@@ -2075,7 +2366,7 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
sta->aid,
EAPOL_VERSION,
sm->initialize);
- if (ret < 0 || (size_t) ret >= buflen - len)
+ if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
@@ -2103,7 +2394,7 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
sm->reAuthPeriod,
bool_txt(sm->reAuthEnabled),
bool_txt(sm->keyTxEnabled));
- if (ret < 0 || (size_t) ret >= buflen - len)
+ if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
@@ -2133,7 +2424,7 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
sm->dot1xAuthEapLengthErrorFramesRx,
sm->dot1xAuthLastEapolFrameVersion,
MAC2STR(sm->addr));
- if (ret < 0 || (size_t) ret >= buflen - len)
+ if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
@@ -2171,12 +2462,12 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
sm->backendOtherRequestsToSupplicant,
sm->backendAuthSuccesses,
sm->backendAuthFails);
- if (ret < 0 || (size_t) ret >= buflen - len)
+ if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
/* dot1xAuthSessionStatsTable */
- os_get_time(&t);
+ os_reltime_age(&sta->acct_session_start, &diff);
ret = os_snprintf(buf + len, buflen - len,
/* TODO: dot1xAuthSessionOctetsRx */
/* TODO: dot1xAuthSessionOctetsTx */
@@ -2191,9 +2482,30 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
(wpa_key_mgmt_wpa_ieee8021x(
wpa_auth_sta_key_mgmt(sta->wpa_sm))) ?
1 : 2,
- (unsigned int) (t.sec - sta->acct_session_start),
+ (unsigned int) diff.sec,
sm->identity);
- if (ret < 0 || (size_t) ret >= buflen - len)
+ if (os_snprintf_error(buflen - len, ret))
+ return len;
+ len += ret;
+
+ if (sm->acct_multi_session_id_hi) {
+ ret = os_snprintf(buf + len, buflen - len,
+ "authMultiSessionId=%08X+%08X\n",
+ sm->acct_multi_session_id_hi,
+ sm->acct_multi_session_id_lo);
+ if (os_snprintf_error(buflen - len, ret))
+ return len;
+ len += ret;
+ }
+
+ name1 = eap_server_get_name(0, sm->eap_type_authsrv);
+ name2 = eap_server_get_name(0, sm->eap_type_supp);
+ ret = os_snprintf(buf + len, buflen - len,
+ "last_eap_type_as=%d (%s)\n"
+ "last_eap_type_sta=%d (%s)\n",
+ sm->eap_type_authsrv, name1,
+ sm->eap_type_supp, name2);
+ if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
@@ -2202,16 +2514,55 @@ int ieee802_1x_get_mib_sta(struct hostapd_data *hapd, struct sta_info *sta,
static void ieee802_1x_finished(struct hostapd_data *hapd,
- struct sta_info *sta, int success)
+ struct sta_info *sta, int success,
+ int remediation)
{
const u8 *key;
size_t len;
/* TODO: get PMKLifetime from WPA parameters */
static const int dot11RSNAConfigPMKLifetime = 43200;
+ unsigned int session_timeout;
+
+#ifdef CONFIG_HS20
+ if (remediation && !sta->remediation) {
+ sta->remediation = 1;
+ os_free(sta->remediation_url);
+ sta->remediation_url =
+ os_strdup(hapd->conf->subscr_remediation_url);
+ sta->remediation_method = 1; /* SOAP-XML SPP */
+ }
+
+ if (success) {
+ if (sta->remediation) {
+ wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification "
+ "to " MACSTR " to indicate Subscription "
+ "Remediation",
+ MAC2STR(sta->addr));
+ hs20_send_wnm_notification(hapd, sta->addr,
+ sta->remediation_method,
+ sta->remediation_url);
+ os_free(sta->remediation_url);
+ sta->remediation_url = NULL;
+ }
+
+ if (sta->hs20_deauth_req) {
+ wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification "
+ "to " MACSTR " to indicate imminent "
+ "deauthentication", MAC2STR(sta->addr));
+ hs20_send_wnm_notification_deauth_req(
+ hapd, sta->addr, sta->hs20_deauth_req);
+ }
+ }
+#endif /* CONFIG_HS20 */
key = ieee802_1x_get_key(sta->eapol_sm, &len);
- if (success && key && len >= PMK_LEN &&
- wpa_auth_pmksa_add(sta->wpa_sm, key, dot11RSNAConfigPMKLifetime,
+ if (sta->session_timeout_set)
+ session_timeout = sta->session_timeout;
+ else
+ session_timeout = dot11RSNAConfigPMKLifetime;
+ if (success && key && len >= PMK_LEN && !sta->remediation &&
+ !sta->hs20_deauth_requested &&
+ wpa_auth_pmksa_add(sta->wpa_sm, key, session_timeout,
sta->eapol_sm) == 0) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_WPA,
HOSTAPD_LEVEL_DEBUG,
@@ -2238,5 +2589,6 @@ static void ieee802_1x_finished(struct hostapd_data *hapd,
os_sleep(0, 10000);
ap_sta_disconnect(hapd, sta, sta->addr,
WLAN_REASON_IEEE_802_1X_AUTH_FAILED);
+ hostapd_wps_eap_completed(hapd);
}
}