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AP: Check ACL upon association request for 802.11ad

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With device_ap_sme disabled, ACL was checked upon authentication
request. In 802.11ad there is no authentication phase so need to check
ACL upon association.

Signed-off-by: Dedy Lansky <qca_dlansky@qca.qualcomm.com>
This commit is contained in:
Dedy Lansky 2017-01-17 14:51:02 +02:00 committed by Jouni Malinen
parent 0d7b2e9018
commit 53d171440f
1 changed files with 122 additions and 51 deletions
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173
src/ap/ieee802_11.c
View file

@ -1301,6 +1301,89 @@ void ieee802_11_finish_fils_auth(struct hostapd_data *hapd,
#endif /* CONFIG_FILS */ #endif /* CONFIG_FILS */
static int
ieee802_11_allowed_address(struct hostapd_data *hapd, const u8 *addr,
const u8 *msg, size_t len, u32 *session_timeout,
u32 *acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui)
{
int res;
os_memset(vlan_id, 0, sizeof(*vlan_id));
res = hostapd_allowed_address(hapd, addr, msg, len,
session_timeout, acct_interim_interval,
vlan_id, psk, identity, radius_cui);
if (res == HOSTAPD_ACL_REJECT) {
wpa_printf(MSG_INFO,
"Station " MACSTR " not allowed to authenticate",
MAC2STR(addr));
return HOSTAPD_ACL_REJECT;
}
if (res == HOSTAPD_ACL_PENDING) {
wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR
" waiting for an external authentication",
MAC2STR(addr));
/* Authentication code will re-send the authentication frame
* after it has received (and cached) information from the
* external source. */
return HOSTAPD_ACL_PENDING;
}
return res;
}
static int
ieee802_11_set_radius_info(struct hostapd_data *hapd, struct sta_info *sta,
int res, u32 session_timeout,
u32 acct_interim_interval,
struct vlan_description *vlan_id,
struct hostapd_sta_wpa_psk_short **psk,
char **identity, char **radius_cui)
{
if (vlan_id->notempty &&
!hostapd_vlan_valid(hapd->conf->vlan, vlan_id)) {
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO,
"Invalid VLAN %d%s received from RADIUS server",
vlan_id->untagged,
vlan_id->tagged[0] ? "+" : "");
return -1;
}
if (ap_sta_set_vlan(hapd, sta, vlan_id) < 0)
return -1;
if (sta->vlan_id)
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
hostapd_free_psk_list(sta->psk);
if (hapd->conf->wpa_psk_radius != PSK_RADIUS_IGNORED) {
sta->psk = *psk;
*psk = NULL;
} else {
sta->psk = NULL;
}
sta->identity = *identity;
*identity = NULL;
sta->radius_cui = *radius_cui;
*radius_cui = NULL;
if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval)
sta->acct_interim_interval = acct_interim_interval;
if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
ap_sta_session_timeout(hapd, sta, session_timeout);
else
ap_sta_no_session_timeout(hapd, sta);
return 0;
}
static void handle_auth(struct hostapd_data *hapd, static void handle_auth(struct hostapd_data *hapd,
const struct ieee80211_mgmt *mgmt, size_t len) const struct ieee80211_mgmt *mgmt, size_t len)
{ {
@ -1319,8 +1402,6 @@ static void handle_auth(struct hostapd_data *hapd,
char *radius_cui = NULL; char *radius_cui = NULL;
u16 seq_ctrl; u16 seq_ctrl;
os_memset(&vlan_id, 0, sizeof(vlan_id));
if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) { if (len < IEEE80211_HDRLEN + sizeof(mgmt->u.auth)) {
wpa_printf(MSG_INFO, "handle_auth - too short payload (len=%lu)", wpa_printf(MSG_INFO, "handle_auth - too short payload (len=%lu)",
(unsigned long) len); (unsigned long) len);
@ -1464,26 +1545,15 @@ static void handle_auth(struct hostapd_data *hapd,
} }
} }
res = hostapd_allowed_address(hapd, mgmt->sa, (u8 *) mgmt, len, res = ieee802_11_allowed_address(
&session_timeout, hapd, mgmt->sa, (const u8 *) mgmt, len, &session_timeout,
&acct_interim_interval, &vlan_id, &acct_interim_interval, &vlan_id, &psk, &identity, &radius_cui);
&psk, &identity, &radius_cui);
if (res == HOSTAPD_ACL_REJECT) { if (res == HOSTAPD_ACL_REJECT) {
wpa_printf(MSG_INFO, "Station " MACSTR " not allowed to authenticate",
MAC2STR(mgmt->sa));
resp = WLAN_STATUS_UNSPECIFIED_FAILURE; resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail; goto fail;
} }
if (res == HOSTAPD_ACL_PENDING) { if (res == HOSTAPD_ACL_PENDING)
wpa_printf(MSG_DEBUG, "Authentication frame from " MACSTR
" waiting for an external authentication",
MAC2STR(mgmt->sa));
/* Authentication code will re-send the authentication frame
* after it has received (and cached) information from the
* external source. */
return; return;
}
sta = ap_get_sta(hapd, mgmt->sa); sta = ap_get_sta(hapd, mgmt->sa);
if (sta) { if (sta) {
@ -1536,47 +1606,17 @@ static void handle_auth(struct hostapd_data *hapd,
sta->last_seq_ctrl = seq_ctrl; sta->last_seq_ctrl = seq_ctrl;
sta->last_subtype = WLAN_FC_STYPE_AUTH; sta->last_subtype = WLAN_FC_STYPE_AUTH;
if (vlan_id.notempty && res = ieee802_11_set_radius_info(
!hostapd_vlan_valid(hapd->conf->vlan, &vlan_id)) { hapd, sta, res, session_timeout, acct_interim_interval,
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS, &vlan_id, &psk, &identity, &radius_cui);
HOSTAPD_LEVEL_INFO, if (res) {
"Invalid VLAN %d%s received from RADIUS server",
vlan_id.untagged,
vlan_id.tagged[0] ? "+" : "");
resp = WLAN_STATUS_UNSPECIFIED_FAILURE; resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail; goto fail;
} }
if (ap_sta_set_vlan(hapd, sta, &vlan_id) < 0) {
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
if (sta->vlan_id)
hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_RADIUS,
HOSTAPD_LEVEL_INFO, "VLAN ID %d", sta->vlan_id);
hostapd_free_psk_list(sta->psk);
if (hapd->conf->wpa_psk_radius != PSK_RADIUS_IGNORED) {
sta->psk = psk;
psk = NULL;
} else {
sta->psk = NULL;
}
sta->identity = identity;
identity = NULL;
sta->radius_cui = radius_cui;
radius_cui = NULL;
sta->flags &= ~WLAN_STA_PREAUTH; sta->flags &= ~WLAN_STA_PREAUTH;
ieee802_1x_notify_pre_auth(sta->eapol_sm, 0); ieee802_1x_notify_pre_auth(sta->eapol_sm, 0);
if (hapd->conf->acct_interim_interval == 0 && acct_interim_interval)
sta->acct_interim_interval = acct_interim_interval;
if (res == HOSTAPD_ACL_ACCEPT_TIMEOUT)
ap_sta_session_timeout(hapd, sta, session_timeout);
else
ap_sta_no_session_timeout(hapd, sta);
/* /*
* If the driver supports full AP client state, add a station to the * If the driver supports full AP client state, add a station to the
* driver before sending authentication reply to make sure the driver * driver before sending authentication reply to make sure the driver
@ -2496,6 +2536,9 @@ static void handle_assoc(struct hostapd_data *hapd,
int left, i; int left, i;
struct sta_info *sta; struct sta_info *sta;
u8 *tmp = NULL; u8 *tmp = NULL;
struct hostapd_sta_wpa_psk_short *psk = NULL;
char *identity = NULL;
char *radius_cui = NULL;
if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) : if (len < IEEE80211_HDRLEN + (reassoc ? sizeof(mgmt->u.reassoc_req) :
sizeof(mgmt->u.assoc_req))) { sizeof(mgmt->u.assoc_req))) {
@ -2571,6 +2614,21 @@ static void handle_assoc(struct hostapd_data *hapd,
if (hapd->iface->current_mode && if (hapd->iface->current_mode &&
hapd->iface->current_mode->mode == hapd->iface->current_mode->mode ==
HOSTAPD_MODE_IEEE80211AD) { HOSTAPD_MODE_IEEE80211AD) {
int acl_res;
u32 session_timeout, acct_interim_interval;
struct vlan_description vlan_id;
acl_res = ieee802_11_allowed_address(
hapd, mgmt->sa, (const u8 *) mgmt, len,
&session_timeout, &acct_interim_interval,
&vlan_id, &psk, &identity, &radius_cui);
if (acl_res == HOSTAPD_ACL_REJECT) {
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
if (acl_res == HOSTAPD_ACL_PENDING)
return;
/* DMG/IEEE 802.11ad does not use authentication. /* DMG/IEEE 802.11ad does not use authentication.
* Allocate sta entry upon association. */ * Allocate sta entry upon association. */
sta = ap_sta_add(hapd, mgmt->sa); sta = ap_sta_add(hapd, mgmt->sa);
@ -2583,6 +2641,15 @@ static void handle_assoc(struct hostapd_data *hapd,
goto fail; goto fail;
} }
acl_res = ieee802_11_set_radius_info(
hapd, sta, acl_res, session_timeout,
acct_interim_interval, &vlan_id, &psk,
&identity, &radius_cui);
if (acl_res) {
resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
goto fail;
}
hostapd_logger(hapd, sta->addr, hostapd_logger(hapd, sta->addr,
HOSTAPD_MODULE_IEEE80211, HOSTAPD_MODULE_IEEE80211,
HOSTAPD_LEVEL_DEBUG, HOSTAPD_LEVEL_DEBUG,
@ -2765,6 +2832,10 @@ static void handle_assoc(struct hostapd_data *hapd,
#endif /* CONFIG_FILS */ #endif /* CONFIG_FILS */
fail: fail:
os_free(identity);
os_free(radius_cui);
hostapd_free_psk_list(psk);
/* /*
* In case of a successful response, add the station to the driver. * In case of a successful response, add the station to the driver.
* Otherwise, the kernel may ignore Data frames before we process the * Otherwise, the kernel may ignore Data frames before we process the