blob: a6fcb7ee49e0a1e207a95f963059d9dc972f612a [file] [log] [blame]
/*
* Control interface for shared AP commands
* Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
*
* 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 "common/ieee802_11_defs.h"
#include "common/sae.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "fst/fst_ctrl_iface.h"
#include "hostapd.h"
#include "ieee802_1x.h"
#include "wpa_auth.h"
#include "ieee802_11.h"
#include "sta_info.h"
#include "wps_hostapd.h"
#include "p2p_hostapd.h"
#include "ctrl_iface_ap.h"
#include "ap_drv_ops.h"
#include "mbo_ap.h"
#include "taxonomy.h"
#include "wnm_ap.h"
static size_t hostapd_write_ht_mcs_bitmask(char *buf, size_t buflen,
size_t curr_len, const u8 *mcs_set)
{
int ret;
size_t len = curr_len;
ret = os_snprintf(buf + len, buflen - len,
"ht_mcs_bitmask=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
/* 77 first bits (+ 3 reserved bits) */
len += wpa_snprintf_hex(buf + len, buflen - len, mcs_set, 10);
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return curr_len;
len += ret;
return len;
}
static int hostapd_get_sta_conn_time(struct sta_info *sta,
struct hostap_sta_driver_data *data,
char *buf, size_t buflen)
{
struct os_reltime age;
unsigned long secs;
int ret;
if (sta->connected_time.sec) {
/* Locally maintained time in AP mode */
os_reltime_age(&sta->connected_time, &age);
secs = (unsigned long) age.sec;
} else if (data->flags & STA_DRV_DATA_CONN_TIME) {
/* Time from the driver in mesh mode */
secs = data->connected_sec;
} else {
return 0;
}
ret = os_snprintf(buf, buflen, "connected_time=%lu\n", secs);
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
static int hostapd_get_sta_info(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
struct hostap_sta_driver_data data;
int ret;
int len = 0;
if (hostapd_drv_read_sta_data(hapd, &data, sta->addr) < 0)
return 0;
ret = os_snprintf(buf, buflen, "rx_packets=%lu\ntx_packets=%lu\n"
"rx_bytes=%llu\ntx_bytes=%llu\ninactive_msec=%lu\n"
"signal=%d\n",
data.rx_packets, data.tx_packets,
data.rx_bytes, data.tx_bytes, data.inactive_msec,
data.signal);
if (os_snprintf_error(buflen, ret))
return 0;
len += ret;
ret = os_snprintf(buf + len, buflen - len, "rx_rate_info=%lu",
data.current_rx_rate / 100);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (data.flags & STA_DRV_DATA_RX_MCS) {
ret = os_snprintf(buf + len, buflen - len, " mcs %u",
data.rx_mcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_VHT_MCS) {
ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
data.rx_vhtmcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_VHT_NSS) {
ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
data.rx_vht_nss);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_RX_SHORT_GI) {
ret = os_snprintf(buf + len, buflen - len, " shortGI");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
ret = os_snprintf(buf + len, buflen - len, "tx_rate_info=%lu",
data.current_tx_rate / 100);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (data.flags & STA_DRV_DATA_TX_MCS) {
ret = os_snprintf(buf + len, buflen - len, " mcs %u",
data.tx_mcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_VHT_MCS) {
ret = os_snprintf(buf + len, buflen - len, " vhtmcs %u",
data.tx_vhtmcs);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_VHT_NSS) {
ret = os_snprintf(buf + len, buflen - len, " vhtnss %u",
data.tx_vht_nss);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if (data.flags & STA_DRV_DATA_TX_SHORT_GI) {
ret = os_snprintf(buf + len, buflen - len, " shortGI");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.rx_map),
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.tx_map));
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
sta->ht_capabilities->
supported_mcs_set);
}
if (data.flags & STA_DRV_DATA_LAST_ACK_RSSI) {
ret = os_snprintf(buf + len, buflen - len,
"last_ack_signal=%d\n", data.last_ack_rssi);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
len += hostapd_get_sta_conn_time(sta, &data, buf + len, buflen - len);
return len;
}
static const char * timeout_next_str(int val)
{
switch (val) {
case STA_NULLFUNC:
return "NULLFUNC POLL";
case STA_DISASSOC:
return "DISASSOC";
case STA_DEAUTH:
return "DEAUTH";
case STA_REMOVE:
return "REMOVE";
case STA_DISASSOC_FROM_CLI:
return "DISASSOC_FROM_CLI";
default:
return "?";
}
}
static const char * hw_mode_str(enum hostapd_hw_mode mode)
{
switch (mode) {
case HOSTAPD_MODE_IEEE80211B:
return "b";
case HOSTAPD_MODE_IEEE80211G:
return "g";
case HOSTAPD_MODE_IEEE80211A:
return "a";
case HOSTAPD_MODE_IEEE80211AD:
return "ad";
case HOSTAPD_MODE_IEEE80211ANY:
return "any";
case NUM_HOSTAPD_MODES:
return "invalid";
}
return "unknown";
}
static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
int len, res, ret, i;
const char *keyid;
const u8 *dpp_pkhash;
if (!sta)
return 0;
len = 0;
ret = os_snprintf(buf + len, buflen - len, MACSTR "\nflags=",
MAC2STR(sta->addr));
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
ret = ap_sta_flags_txt(sta->flags, buf + len, buflen - len);
if (ret < 0)
return len;
len += ret;
ret = os_snprintf(buf + len, buflen - len, "\naid=%d\ncapability=0x%x\n"
"listen_interval=%d\nsupported_rates=",
sta->aid, sta->capability, sta->listen_interval);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
for (i = 0; i < sta->supported_rates_len; i++) {
ret = os_snprintf(buf + len, buflen - len, "%02x%s",
sta->supported_rates[i],
i + 1 < sta->supported_rates_len ? " " : "");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\ntimeout_next=%s\n",
timeout_next_str(sta->timeout_next));
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
if (res >= 0)
len += res;
res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
res = hostapd_wps_get_mib_sta(hapd, sta->addr, buf + len,
buflen - len);
if (res >= 0)
len += res;
res = hostapd_p2p_get_mib_sta(hapd, sta, buf + len, buflen - len);
if (res >= 0)
len += res;
len += hostapd_get_sta_info(hapd, sta, buf + len, buflen - len);
#ifdef CONFIG_SAE
if (sta->sae && sta->sae->state == SAE_ACCEPTED) {
res = os_snprintf(buf + len, buflen - len, "sae_group=%d\n",
sta->sae->group);
if (!os_snprintf_error(buflen - len, res))
len += res;
}
if (sta->sae && sta->sae->tmp) {
const u8 *pos;
unsigned int j, count;
struct wpabuf *groups = sta->sae->tmp->peer_rejected_groups;
res = os_snprintf(buf + len, buflen - len,
"sae_rejected_groups=");
if (!os_snprintf_error(buflen - len, res))
len += res;
if (groups) {
pos = wpabuf_head(groups);
count = wpabuf_len(groups) / 2;
} else {
pos = NULL;
count = 0;
}
for (j = 0; pos && j < count; j++) {
res = os_snprintf(buf + len, buflen - len, "%s%d",
j == 0 ? "" : " ", WPA_GET_LE16(pos));
if (!os_snprintf_error(buflen - len, res))
len += res;
pos += 2;
}
res = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, res))
len += res;
}
#endif /* CONFIG_SAE */
if (sta->vlan_id > 0) {
res = os_snprintf(buf + len, buflen - len, "vlan_id=%d\n",
sta->vlan_id);
if (!os_snprintf_error(buflen - len, res))
len += res;
}
res = mbo_ap_get_info(sta, buf + len, buflen - len);
if (res >= 0)
len += res;
if (sta->supp_op_classes &&
buflen - len > (unsigned) (17 + 2 * sta->supp_op_classes[0])) {
len += os_snprintf(buf + len, buflen - len, "supp_op_classes=");
len += wpa_snprintf_hex(buf + len, buflen - len,
sta->supp_op_classes + 1,
sta->supp_op_classes[0]);
len += os_snprintf(buf + len, buflen - len, "\n");
}
if (sta->power_capab) {
ret = os_snprintf(buf + len, buflen - len,
"min_txpower=%d\n"
"max_txpower=%d\n",
sta->min_tx_power, sta->max_tx_power);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
#ifdef CONFIG_IEEE80211AC
if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
res = os_snprintf(buf + len, buflen - len,
"vht_caps_info=0x%08x\n",
le_to_host32(sta->vht_capabilities->
vht_capabilities_info));
if (!os_snprintf_error(buflen - len, res))
len += res;
}
#endif /* CONFIG_IEEE80211AC */
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
res = os_snprintf(buf + len, buflen - len,
"ht_caps_info=0x%04x\n",
le_to_host16(sta->ht_capabilities->
ht_capabilities_info));
if (!os_snprintf_error(buflen - len, res))
len += res;
}
if (sta->ext_capability &&
buflen - len > (unsigned) (11 + 2 * sta->ext_capability[0])) {
len += os_snprintf(buf + len, buflen - len, "ext_capab=");
len += wpa_snprintf_hex(buf + len, buflen - len,
sta->ext_capability + 1,
sta->ext_capability[0]);
len += os_snprintf(buf + len, buflen - len, "\n");
}
if (sta->flags & WLAN_STA_WDS && sta->ifname_wds) {
ret = os_snprintf(buf + len, buflen - len,
"wds_sta_ifname=%s\n", sta->ifname_wds);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
keyid = ap_sta_wpa_get_keyid(hapd, sta);
if (keyid) {
ret = os_snprintf(buf + len, buflen - len, "keyid=%s\n", keyid);
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
dpp_pkhash = ap_sta_wpa_get_dpp_pkhash(hapd, sta);
if (dpp_pkhash) {
ret = os_snprintf(buf + len, buflen - len, "dpp_pkhash=");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
len += wpa_snprintf_hex(buf + len, buflen - len, dpp_pkhash,
SHA256_MAC_LEN);
ret = os_snprintf(buf + len, buflen - len, "\n");
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
return len;
}
int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
}
int hostapd_ctrl_iface_sta(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
int ret;
const char *pos;
struct sta_info *sta;
if (hwaddr_aton(txtaddr, addr)) {
ret = os_snprintf(buf, buflen, "FAIL\n");
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
sta = ap_get_sta(hapd, addr);
if (sta == NULL)
return -1;
pos = os_strchr(txtaddr, ' ');
if (pos) {
pos++;
#ifdef HOSTAPD_DUMP_STATE
if (os_strcmp(pos, "eapol") == 0) {
if (sta->eapol_sm == NULL)
return -1;
return eapol_auth_dump_state(sta->eapol_sm, buf,
buflen);
}
#endif /* HOSTAPD_DUMP_STATE */
return -1;
}
ret = hostapd_ctrl_iface_sta_mib(hapd, sta, buf, buflen);
ret += fst_ctrl_iface_mb_info(addr, buf + ret, buflen - ret);
return ret;
}
int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd, const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
int ret;
if (hwaddr_aton(txtaddr, addr) ||
(sta = ap_get_sta(hapd, addr)) == NULL) {
ret = os_snprintf(buf, buflen, "FAIL\n");
if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
if (!sta->next)
return 0;
return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
}
#ifdef CONFIG_P2P_MANAGER
static int p2p_manager_disconnect(struct hostapd_data *hapd, u16 stype,
u8 minor_reason_code, const u8 *addr)
{
struct ieee80211_mgmt *mgmt;
int ret;
u8 *pos;
mgmt = os_zalloc(sizeof(*mgmt) + 100);
if (mgmt == NULL)
return -1;
mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "P2P: Disconnect STA " MACSTR
" with minor reason code %u (stype=%u (%s))",
MAC2STR(addr), minor_reason_code, stype,
fc2str(le_to_host16(mgmt->frame_control)));
os_memcpy(mgmt->da, addr, ETH_ALEN);
os_memcpy(mgmt->sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt->bssid, hapd->own_addr, ETH_ALEN);
if (stype == WLAN_FC_STYPE_DEAUTH) {
mgmt->u.deauth.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = mgmt->u.deauth.variable;
} else {
mgmt->u.disassoc.reason_code =
host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
pos = mgmt->u.disassoc.variable;
}
*pos++ = WLAN_EID_VENDOR_SPECIFIC;
*pos++ = 4 + 3 + 1;
WPA_PUT_BE32(pos, P2P_IE_VENDOR_TYPE);
pos += 4;
*pos++ = P2P_ATTR_MINOR_REASON_CODE;
WPA_PUT_LE16(pos, 1);
pos += 2;
*pos++ = minor_reason_code;
ret = hostapd_drv_send_mlme(hapd, mgmt, pos - (u8 *) mgmt, 0, NULL, 0,
0);
os_free(mgmt);
return ret < 0 ? -1 : 0;
}
#endif /* CONFIG_P2P_MANAGER */
int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
const char *pos;
u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s",
txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
pos = os_strstr(txtaddr, " reason=");
if (pos)
reason = atoi(pos + 8);
pos = os_strstr(txtaddr, " test=");
if (pos) {
struct ieee80211_mgmt mgmt;
int encrypt;
pos += 6;
encrypt = atoi(pos);
os_memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DEAUTH);
os_memcpy(mgmt.da, addr, ETH_ALEN);
os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
mgmt.u.deauth.reason_code = host_to_le16(reason);
if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.deauth),
0, NULL, 0, !encrypt) < 0)
return -1;
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DEAUTH,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
if (os_strstr(txtaddr, " tx=0"))
hostapd_drv_sta_remove(hapd, addr);
else
hostapd_drv_sta_deauth(hapd, addr, reason);
sta = ap_get_sta(hapd, addr);
if (sta)
ap_sta_deauthenticate(hapd, sta, reason);
else if (addr[0] == 0xff)
hostapd_free_stas(hapd);
return 0;
}
int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
const char *pos;
u16 reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s",
txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
pos = os_strstr(txtaddr, " reason=");
if (pos)
reason = atoi(pos + 8);
pos = os_strstr(txtaddr, " test=");
if (pos) {
struct ieee80211_mgmt mgmt;
int encrypt;
pos += 6;
encrypt = atoi(pos);
os_memset(&mgmt, 0, sizeof(mgmt));
mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
WLAN_FC_STYPE_DISASSOC);
os_memcpy(mgmt.da, addr, ETH_ALEN);
os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
mgmt.u.disassoc.reason_code = host_to_le16(reason);
if (hostapd_drv_send_mlme(hapd, (u8 *) &mgmt,
IEEE80211_HDRLEN +
sizeof(mgmt.u.deauth),
0, NULL, 0, !encrypt) < 0)
return -1;
return 0;
}
#ifdef CONFIG_P2P_MANAGER
pos = os_strstr(txtaddr, " p2p=");
if (pos) {
return p2p_manager_disconnect(hapd, WLAN_FC_STYPE_DISASSOC,
atoi(pos + 5), addr);
}
#endif /* CONFIG_P2P_MANAGER */
if (os_strstr(txtaddr, " tx=0"))
hostapd_drv_sta_remove(hapd, addr);
else
hostapd_drv_sta_disassoc(hapd, addr, reason);
sta = ap_get_sta(hapd, addr);
if (sta)
ap_sta_disassociate(hapd, sta, reason);
else if (addr[0] == 0xff)
hostapd_free_stas(hapd);
return 0;
}
#ifdef CONFIG_TAXONOMY
int hostapd_ctrl_iface_signature(struct hostapd_data *hapd,
const char *txtaddr,
char *buf, size_t buflen)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE SIGNATURE %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
return retrieve_sta_taxonomy(hapd, sta, buf, buflen);
}
#endif /* CONFIG_TAXONOMY */
int hostapd_ctrl_iface_poll_sta(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "CTRL_IFACE POLL_STA %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
hostapd_drv_poll_client(hapd, hapd->own_addr, addr,
sta->flags & WLAN_STA_WMM);
return 0;
}
int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
size_t buflen)
{
struct hostapd_iface *iface = hapd->iface;
struct hostapd_hw_modes *mode = iface->current_mode;
struct hostapd_config *iconf = hapd->iconf;
int len = 0, ret, j;
size_t i;
ret = os_snprintf(buf + len, buflen - len,
"state=%s\n"
"phy=%s\n"
"freq=%d\n"
"num_sta_non_erp=%d\n"
"num_sta_no_short_slot_time=%d\n"
"num_sta_no_short_preamble=%d\n"
"olbc=%d\n"
"num_sta_ht_no_gf=%d\n"
"num_sta_no_ht=%d\n"
"num_sta_ht_20_mhz=%d\n"
"num_sta_ht40_intolerant=%d\n"
"olbc_ht=%d\n"
"ht_op_mode=0x%x\n",
hostapd_state_text(iface->state),
iface->phy,
iface->freq,
iface->num_sta_non_erp,
iface->num_sta_no_short_slot_time,
iface->num_sta_no_short_preamble,
iface->olbc,
iface->num_sta_ht_no_gf,
iface->num_sta_no_ht,
iface->num_sta_ht_20mhz,
iface->num_sta_ht40_intolerant,
iface->olbc_ht,
iface->ht_op_mode);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (mode) {
ret = os_snprintf(buf + len, buflen - len, "hw_mode=%s\n",
hw_mode_str(mode->mode));
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iconf->country[0] && iconf->country[1]) {
ret = os_snprintf(buf + len, buflen - len,
"country_code=%c%c\ncountry3=0x%X\n",
iconf->country[0], iconf->country[1],
iconf->country[2]);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (!iface->cac_started || !iface->dfs_cac_ms) {
ret = os_snprintf(buf + len, buflen - len,
"cac_time_seconds=%d\n"
"cac_time_left_seconds=N/A\n",
iface->dfs_cac_ms / 1000);
} else {
/* CAC started and CAC time set - calculate remaining time */
struct os_reltime now;
long left_time;
os_reltime_age(&iface->dfs_cac_start, &now);
left_time = (long) iface->dfs_cac_ms / 1000 - now.sec;
ret = os_snprintf(buf + len, buflen - len,
"cac_time_seconds=%u\n"
"cac_time_left_seconds=%lu\n",
iface->dfs_cac_ms / 1000,
left_time > 0 ? left_time : 0);
}
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
ret = os_snprintf(buf + len, buflen - len,
"channel=%u\n"
"edmg_enable=%d\n"
"edmg_channel=%d\n"
"secondary_channel=%d\n"
"ieee80211n=%d\n"
"ieee80211ac=%d\n"
"ieee80211ax=%d\n"
"ieee80211be=%d\n"
"beacon_int=%u\n"
"dtim_period=%d\n",
iface->conf->channel,
iface->conf->enable_edmg,
iface->conf->edmg_channel,
iface->conf->ieee80211n && !hapd->conf->disable_11n ?
iface->conf->secondary_channel : 0,
iface->conf->ieee80211n && !hapd->conf->disable_11n,
iface->conf->ieee80211ac &&
!hapd->conf->disable_11ac,
iface->conf->ieee80211ax &&
!hapd->conf->disable_11ax,
iface->conf->ieee80211be &&
!hapd->conf->disable_11be,
iface->conf->beacon_int,
hapd->conf->dtim_period);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
#ifdef CONFIG_IEEE80211BE
if (iface->conf->ieee80211be && !hapd->conf->disable_11be) {
ret = os_snprintf(buf + len, buflen - len,
"eht_oper_chwidth=%d\n"
"eht_oper_centr_freq_seg0_idx=%d\n",
iface->conf->eht_oper_chwidth,
iface->conf->eht_oper_centr_freq_seg0_idx);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
#endif /* CONFIG_IEEE80211BE */
#ifdef CONFIG_IEEE80211AX
if (iface->conf->ieee80211ax && !hapd->conf->disable_11ax) {
ret = os_snprintf(buf + len, buflen - len,
"he_oper_chwidth=%d\n"
"he_oper_centr_freq_seg0_idx=%d\n"
"he_oper_centr_freq_seg1_idx=%d\n",
iface->conf->he_oper_chwidth,
iface->conf->he_oper_centr_freq_seg0_idx,
iface->conf->he_oper_centr_freq_seg1_idx);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
if (!iconf->he_op.he_bss_color_disabled &&
iconf->he_op.he_bss_color) {
ret = os_snprintf(buf + len, buflen - len,
"he_bss_color=%d\n",
iconf->he_op.he_bss_color);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
}
#endif /* CONFIG_IEEE80211AX */
if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac) {
ret = os_snprintf(buf + len, buflen - len,
"vht_oper_chwidth=%d\n"
"vht_oper_centr_freq_seg0_idx=%d\n"
"vht_oper_centr_freq_seg1_idx=%d\n"
"vht_caps_info=%08x\n",
iface->conf->vht_oper_chwidth,
iface->conf->vht_oper_centr_freq_seg0_idx,
iface->conf->vht_oper_centr_freq_seg1_idx,
iface->conf->vht_capab);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac && mode) {
u16 rxmap = WPA_GET_LE16(&mode->vht_mcs_set[0]);
u16 txmap = WPA_GET_LE16(&mode->vht_mcs_set[4]);
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
rxmap, txmap);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n) {
ret = os_snprintf(buf + len, buflen - len,
"ht_caps_info=%04x\n",
hapd->iconf->ht_capab);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n && mode) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
mode->mcs_set);
}
if (iface->current_rates && iface->num_rates) {
ret = os_snprintf(buf + len, buflen - len, "supported_rates=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
for (j = 0; j < iface->num_rates; j++) {
ret = os_snprintf(buf + len, buflen - len, "%s%02x",
j > 0 ? " " : "",
iface->current_rates[j].rate / 5);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
for (j = 0; mode && j < mode->num_channels; j++) {
if (mode->channels[j].freq == iface->freq) {
ret = os_snprintf(buf + len, buflen - len,
"max_txpower=%u\n",
mode->channels[j].max_tx_power);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
break;
}
}
for (i = 0; i < iface->num_bss; i++) {
struct hostapd_data *bss = iface->bss[i];
ret = os_snprintf(buf + len, buflen - len,
"bss[%d]=%s\n"
"bssid[%d]=" MACSTR "\n"
"ssid[%d]=%s\n"
"num_sta[%d]=%d\n",
(int) i, bss->conf->iface,
(int) i, MAC2STR(bss->own_addr),
(int) i,
wpa_ssid_txt(bss->conf->ssid.ssid,
bss->conf->ssid.ssid_len),
(int) i, bss->num_sta);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
#ifdef CONFIG_IEEE80211BE
if (bss->conf->mld_ap) {
ret = os_snprintf(buf + len, buflen - len,
"mld_addr[%d]=" MACSTR "\n"
"mld_id[%d]=%d\n"
"mld_link_id[%d]=%d\n",
(int) i, MAC2STR(bss->mld_addr),
(int) i, bss->conf->mld_id,
(int) i, bss->mld_link_id);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
#endif /* CONFIG_IEEE80211BE */
}
if (hapd->conf->chan_util_avg_period) {
ret = os_snprintf(buf + len, buflen - len,
"chan_util_avg=%u\n",
iface->chan_util_average);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
return len;
}
int hostapd_parse_csa_settings(const char *pos,
struct csa_settings *settings)
{
char *end;
os_memset(settings, 0, sizeof(*settings));
settings->cs_count = strtol(pos, &end, 10);
if (pos == end) {
wpa_printf(MSG_ERROR, "chanswitch: invalid cs_count provided");
return -1;
}
settings->freq_params.freq = atoi(end);
if (settings->freq_params.freq == 0) {
wpa_printf(MSG_ERROR, "chanswitch: invalid freq provided");
return -1;
}
#define SET_CSA_SETTING(str) \
do { \
const char *pos2 = os_strstr(pos, " " #str "="); \
if (pos2) { \
pos2 += sizeof(" " #str "=") - 1; \
settings->freq_params.str = atoi(pos2); \
} \
} while (0)
#define SET_CSA_SETTING_EXT(str) \
do { \
const char *pos2 = os_strstr(pos, " " #str "="); \
if (pos2) { \
pos2 += sizeof(" " #str "=") - 1; \
settings->str = atoi(pos2); \
} \
} while (0)
SET_CSA_SETTING(center_freq1);
SET_CSA_SETTING(center_freq2);
SET_CSA_SETTING(bandwidth);
SET_CSA_SETTING(sec_channel_offset);
SET_CSA_SETTING_EXT(punct_bitmap);
settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
settings->freq_params.he_enabled = !!os_strstr(pos, " he");
settings->freq_params.eht_enabled = !!os_strstr(pos, " eht");
settings->block_tx = !!os_strstr(pos, " blocktx");
#undef SET_CSA_SETTING
#undef SET_CSA_SETTING_EXT
return 0;
}
int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
{
return hostapd_drv_stop_ap(hapd);
}
int hostapd_ctrl_iface_pmksa_list(struct hostapd_data *hapd, char *buf,
size_t len)
{
return wpa_auth_pmksa_list(hapd->wpa_auth, buf, len);
}
void hostapd_ctrl_iface_pmksa_flush(struct hostapd_data *hapd)
{
wpa_auth_pmksa_flush(hapd->wpa_auth);
}
int hostapd_ctrl_iface_pmksa_add(struct hostapd_data *hapd, char *cmd)
{
u8 spa[ETH_ALEN];
u8 pmkid[PMKID_LEN];
u8 pmk[PMK_LEN_MAX];
size_t pmk_len;
char *pos, *pos2;
int akmp = 0, expiration = 0;
/*
* Entry format:
* <STA addr> <PMKID> <PMK> <expiration in seconds> <akmp>
*/
if (hwaddr_aton(cmd, spa))
return -1;
pos = os_strchr(cmd, ' ');
if (!pos)
return -1;
pos++;
if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
return -1;
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
pos2 = os_strchr(pos, ' ');
if (!pos2)
return -1;
pmk_len = (pos2 - pos) / 2;
if (pmk_len < PMK_LEN || pmk_len > PMK_LEN_MAX ||
hexstr2bin(pos, pmk, pmk_len) < 0)
return -1;
pos = pos2 + 1;
if (sscanf(pos, "%d %d", &expiration, &akmp) != 2)
return -1;
return wpa_auth_pmksa_add2(hapd->wpa_auth, spa, pmk, pmk_len,
pmkid, expiration, akmp);
}
#ifdef CONFIG_PMKSA_CACHE_EXTERNAL
#ifdef CONFIG_MESH
int hostapd_ctrl_iface_pmksa_list_mesh(struct hostapd_data *hapd,
const u8 *addr, char *buf, size_t len)
{
return wpa_auth_pmksa_list_mesh(hapd->wpa_auth, addr, buf, len);
}
void * hostapd_ctrl_iface_pmksa_create_entry(const u8 *aa, char *cmd)
{
u8 spa[ETH_ALEN];
u8 pmkid[PMKID_LEN];
u8 pmk[PMK_LEN_MAX];
char *pos;
int expiration;
/*
* Entry format:
* <BSSID> <PMKID> <PMK> <expiration in seconds>
*/
if (hwaddr_aton(cmd, spa))
return NULL;
pos = os_strchr(cmd, ' ');
if (!pos)
return NULL;
pos++;
if (hexstr2bin(pos, pmkid, PMKID_LEN) < 0)
return NULL;
pos = os_strchr(pos, ' ');
if (!pos)
return NULL;
pos++;
if (hexstr2bin(pos, pmk, PMK_LEN) < 0)
return NULL;
pos = os_strchr(pos, ' ');
if (!pos)
return NULL;
pos++;
if (sscanf(pos, "%d", &expiration) != 1)
return NULL;
return wpa_auth_pmksa_create_entry(aa, spa, pmk, PMK_LEN,
WPA_KEY_MGMT_SAE, pmkid, expiration);
}
#endif /* CONFIG_MESH */
#endif /* CONFIG_PMKSA_CACHE_EXTERNAL */
#ifdef CONFIG_WNM_AP
int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
int disassoc_timer;
struct sta_info *sta;
if (hwaddr_aton(cmd, addr))
return -1;
if (cmd[17] != ' ')
return -1;
disassoc_timer = atoi(cmd + 17);
sta = ap_get_sta(hapd, addr);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for disassociation imminent message",
MAC2STR(addr));
return -1;
}
return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
}
int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
const char *url, *timerstr;
int disassoc_timer;
struct sta_info *sta;
if (hwaddr_aton(cmd, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for ESS disassociation imminent message",
MAC2STR(addr));
return -1;
}
timerstr = cmd + 17;
if (*timerstr != ' ')
return -1;
timerstr++;
disassoc_timer = atoi(timerstr);
if (disassoc_timer < 0 || disassoc_timer > 65535)
return -1;
url = os_strchr(timerstr, ' ');
if (url == NULL)
return -1;
url++;
return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
}
int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
const char *pos, *end;
int disassoc_timer = 0;
struct sta_info *sta;
u8 req_mode = 0, valid_int = 0x01, dialog_token = 0x01;
u8 bss_term_dur[12];
char *url = NULL;
int ret;
u8 nei_rep[1000];
int nei_len;
u8 mbo[10];
size_t mbo_len = 0;
if (hwaddr_aton(cmd, addr)) {
wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
return -1;
}
sta = ap_get_sta(hapd, addr);
if (sta == NULL) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for BSS TM Request message",
MAC2STR(addr));
return -1;
}
pos = os_strstr(cmd, " disassoc_timer=");
if (pos) {
pos += 16;
disassoc_timer = atoi(pos);
if (disassoc_timer < 0 || disassoc_timer > 65535) {
wpa_printf(MSG_DEBUG, "Invalid disassoc_timer");
return -1;
}
}
pos = os_strstr(cmd, " valid_int=");
if (pos) {
pos += 11;
valid_int = atoi(pos);
}
pos = os_strstr(cmd, " dialog_token=");
if (pos) {
pos += 14;
dialog_token = atoi(pos);
}
pos = os_strstr(cmd, " bss_term=");
if (pos) {
pos += 10;
req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED;
/* TODO: TSF configurable/learnable */
bss_term_dur[0] = 4; /* Subelement ID */
bss_term_dur[1] = 10; /* Length */
os_memset(&bss_term_dur[2], 0, 8);
end = os_strchr(pos, ',');
if (end == NULL) {
wpa_printf(MSG_DEBUG, "Invalid bss_term data");
return -1;
}
end++;
WPA_PUT_LE16(&bss_term_dur[10], atoi(end));
}
nei_len = ieee802_11_parse_candidate_list(cmd, nei_rep,
sizeof(nei_rep));
if (nei_len < 0)
return -1;
pos = os_strstr(cmd, " url=");
if (pos) {
size_t len;
pos += 5;
end = os_strchr(pos, ' ');
if (end)
len = end - pos;
else
len = os_strlen(pos);
url = os_malloc(len + 1);
if (url == NULL)
return -1;
os_memcpy(url, pos, len);
url[len] = '\0';
req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT;
}
if (os_strstr(cmd, " pref=1"))
req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
if (os_strstr(cmd, " abridged=1"))
req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
if (os_strstr(cmd, " disassoc_imminent=1"))
req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
#ifdef CONFIG_MBO
pos = os_strstr(cmd, "mbo=");
if (pos) {
unsigned int mbo_reason, cell_pref, reassoc_delay;
u8 *mbo_pos = mbo;
ret = sscanf(pos, "mbo=%u:%u:%u", &mbo_reason,
&reassoc_delay, &cell_pref);
if (ret != 3) {
wpa_printf(MSG_DEBUG,
"MBO requires three arguments: mbo=<reason>:<reassoc_delay>:<cell_pref>");
ret = -1;
goto fail;
}
if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) {
wpa_printf(MSG_DEBUG,
"Invalid MBO transition reason code %u",
mbo_reason);
ret = -1;
goto fail;
}
/* Valid values for Cellular preference are: 0, 1, 255 */
if (cell_pref != 0 && cell_pref != 1 && cell_pref != 255) {
wpa_printf(MSG_DEBUG,
"Invalid MBO cellular capability %u",
cell_pref);
ret = -1;
goto fail;
}
if (reassoc_delay > 65535 ||
(reassoc_delay &&
!(req_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT))) {
wpa_printf(MSG_DEBUG,
"MBO: Assoc retry delay is only valid in disassoc imminent mode");
ret = -1;
goto fail;
}
*mbo_pos++ = MBO_ATTR_ID_TRANSITION_REASON;
*mbo_pos++ = 1;
*mbo_pos++ = mbo_reason;
*mbo_pos++ = MBO_ATTR_ID_CELL_DATA_PREF;
*mbo_pos++ = 1;
*mbo_pos++ = cell_pref;
if (reassoc_delay) {
*mbo_pos++ = MBO_ATTR_ID_ASSOC_RETRY_DELAY;
*mbo_pos++ = 2;
WPA_PUT_LE16(mbo_pos, reassoc_delay);
mbo_pos += 2;
}
mbo_len = mbo_pos - mbo;
}
#endif /* CONFIG_MBO */
ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer,
valid_int, bss_term_dur, dialog_token, url,
nei_len ? nei_rep : NULL, nei_len,
mbo_len ? mbo : NULL, mbo_len);
#ifdef CONFIG_MBO
fail:
#endif /* CONFIG_MBO */
os_free(url);
return ret;
}
#endif /* CONFIG_WNM_AP */
int hostapd_ctrl_iface_acl_del_mac(struct mac_acl_entry **acl, int *num,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct vlan_description vlan_id;
if (!(*num))
return 0;
if (hwaddr_aton(txtaddr, addr))
return -1;
if (hostapd_maclist_found(*acl, *num, addr, &vlan_id))
hostapd_remove_acl_mac(acl, num, addr);
return 0;
}
void hostapd_ctrl_iface_acl_clear_list(struct mac_acl_entry **acl,
int *num)
{
while (*num)
hostapd_remove_acl_mac(acl, num, (*acl)[0].addr);
}
int hostapd_ctrl_iface_acl_show_mac(struct mac_acl_entry *acl, int num,
char *buf, size_t buflen)
{
int i = 0, len = 0, ret = 0;
if (!acl)
return 0;
while (i < num) {
ret = os_snprintf(buf + len, buflen - len,
MACSTR " VLAN_ID=%d\n",
MAC2STR(acl[i].addr),
acl[i].vlan_id.untagged);
if (ret < 0 || (size_t) ret >= buflen - len)
return len;
i++;
len += ret;
}
return len;
}
int hostapd_ctrl_iface_acl_add_mac(struct mac_acl_entry **acl, int *num,
const char *cmd)
{
u8 addr[ETH_ALEN];
struct vlan_description vlan_id;
int ret = 0, vlanid = 0;
const char *pos;
if (hwaddr_aton(cmd, addr))
return -1;
pos = os_strstr(cmd, "VLAN_ID=");
if (pos)
vlanid = atoi(pos + 8);
if (!hostapd_maclist_found(*acl, *num, addr, &vlan_id)) {
ret = hostapd_add_acl_maclist(acl, num, vlanid, addr);
if (ret != -1 && *acl)
qsort(*acl, *num, sizeof(**acl), hostapd_acl_comp);
}
return ret < 0 ? -1 : 0;
}
int hostapd_disassoc_accept_mac(struct hostapd_data *hapd)
{
struct sta_info *sta;
struct vlan_description vlan_id;
if (hapd->conf->macaddr_acl != DENY_UNLESS_ACCEPTED)
return 0;
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (!hostapd_maclist_found(hapd->conf->accept_mac,
hapd->conf->num_accept_mac,
sta->addr, &vlan_id) ||
(vlan_id.notempty &&
vlan_compare(&vlan_id, sta->vlan_desc)))
ap_sta_disconnect(hapd, sta, sta->addr,
WLAN_REASON_UNSPECIFIED);
}
return 0;
}
int hostapd_disassoc_deny_mac(struct hostapd_data *hapd)
{
struct sta_info *sta;
struct vlan_description vlan_id;
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (hostapd_maclist_found(hapd->conf->deny_mac,
hapd->conf->num_deny_mac, sta->addr,
&vlan_id) &&
(!vlan_id.notempty ||
!vlan_compare(&vlan_id, sta->vlan_desc)))
ap_sta_disconnect(hapd, sta, sta->addr,
WLAN_REASON_UNSPECIFIED);
}
return 0;
}