blob: 55f3da72f6cc34a20bc88de5c34e1603f1ee5458 [file] [log] [blame]
/*
* hostapd / UNIX domain socket -based control interface
* Copyright (c) 2004-2018, 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"
#ifndef CONFIG_NATIVE_WINDOWS
#ifdef CONFIG_TESTING_OPTIONS
#ifdef __NetBSD__
#include <net/if_ether.h>
#else
#include <net/ethernet.h>
#endif
#include <netinet/ip.h>
#endif /* CONFIG_TESTING_OPTIONS */
#include <sys/un.h>
#include <sys/stat.h>
#include <stddef.h>
#ifdef CONFIG_CTRL_IFACE_UDP
#include <netdb.h>
#endif /* CONFIG_CTRL_IFACE_UDP */
#include "utils/common.h"
#include "utils/eloop.h"
#include "utils/module_tests.h"
#include "common/version.h"
#include "common/ieee802_11_defs.h"
#include "common/ctrl_iface_common.h"
#ifdef CONFIG_DPP
#include "common/dpp.h"
#endif /* CONFIG_DPP */
#include "common/wpa_ctrl.h"
#include "common/ptksa_cache.h"
#include "crypto/tls.h"
#include "drivers/driver.h"
#include "eapol_auth/eapol_auth_sm.h"
#include "radius/radius_client.h"
#include "radius/radius_server.h"
#include "l2_packet/l2_packet.h"
#include "ap/hostapd.h"
#include "ap/ap_config.h"
#include "ap/ieee802_1x.h"
#include "ap/wpa_auth.h"
#include "ap/pmksa_cache_auth.h"
#include "ap/ieee802_11.h"
#include "ap/sta_info.h"
#include "ap/wps_hostapd.h"
#include "ap/ctrl_iface_ap.h"
#include "ap/ap_drv_ops.h"
#include "ap/hs20.h"
#include "ap/wnm_ap.h"
#include "ap/wpa_auth.h"
#include "ap/beacon.h"
#include "ap/neighbor_db.h"
#include "ap/rrm.h"
#include "ap/dpp_hostapd.h"
#include "ap/dfs.h"
#include "wps/wps_defs.h"
#include "wps/wps.h"
#include "fst/fst_ctrl_iface.h"
#include "config_file.h"
#include "ctrl_iface.h"
#define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256
#ifdef CONFIG_CTRL_IFACE_UDP
#define HOSTAPD_CTRL_IFACE_PORT 8877
#define HOSTAPD_CTRL_IFACE_PORT_LIMIT 50
#define HOSTAPD_GLOBAL_CTRL_IFACE_PORT 8878
#define HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT 50
#endif /* CONFIG_CTRL_IFACE_UDP */
static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
enum wpa_msg_type type,
const char *buf, size_t len);
static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
struct sockaddr_storage *from,
socklen_t fromlen, const char *input)
{
return ctrl_iface_attach(&hapd->ctrl_dst, from, fromlen, input);
}
static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
struct sockaddr_storage *from,
socklen_t fromlen)
{
return ctrl_iface_detach(&hapd->ctrl_dst, from, fromlen);
}
static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
struct sockaddr_storage *from,
socklen_t fromlen,
char *level)
{
return ctrl_iface_level(&hapd->ctrl_dst, from, fromlen, level);
}
static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (sta)
return 0;
wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
"notification", MAC2STR(addr));
sta = ap_sta_add(hapd, addr);
if (sta == NULL)
return -1;
hostapd_new_assoc_sta(hapd, sta, 0);
return 0;
}
#ifdef NEED_AP_MLME
static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
const char *txtaddr)
{
u8 addr[ETH_ALEN];
u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
if (hwaddr_aton(txtaddr, addr) ||
os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
return -1;
ieee802_11_send_sa_query_req(hapd, addr, trans_id);
return 0;
}
#endif /* NEED_AP_MLME */
#ifdef CONFIG_WPS
static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
{
char *pin = os_strchr(txt, ' ');
char *timeout_txt;
int timeout;
u8 addr_buf[ETH_ALEN], *addr = NULL;
char *pos;
if (pin == NULL)
return -1;
*pin++ = '\0';
timeout_txt = os_strchr(pin, ' ');
if (timeout_txt) {
*timeout_txt++ = '\0';
timeout = atoi(timeout_txt);
pos = os_strchr(timeout_txt, ' ');
if (pos) {
*pos++ = '\0';
if (hwaddr_aton(pos, addr_buf) == 0)
addr = addr_buf;
}
} else
timeout = 0;
return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
}
static int hostapd_ctrl_iface_wps_check_pin(
struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
{
char pin[9];
size_t len;
char *pos;
int ret;
wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
(u8 *) cmd, os_strlen(cmd));
for (pos = cmd, len = 0; *pos != '\0'; pos++) {
if (*pos < '0' || *pos > '9')
continue;
pin[len++] = *pos;
if (len == 9) {
wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
return -1;
}
}
if (len != 4 && len != 8) {
wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
return -1;
}
pin[len] = '\0';
if (len == 8) {
unsigned int pin_val;
pin_val = atoi(pin);
if (!wps_pin_valid(pin_val)) {
wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
if (os_snprintf_error(buflen, ret))
return -1;
return ret;
}
}
ret = os_snprintf(buf, buflen, "%s", pin);
if (os_snprintf_error(buflen, ret))
return -1;
return ret;
}
#ifdef CONFIG_WPS_NFC
static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
char *pos)
{
size_t len;
struct wpabuf *buf;
int ret;
len = os_strlen(pos);
if (len & 0x01)
return -1;
len /= 2;
buf = wpabuf_alloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
wpabuf_free(buf);
return -1;
}
ret = hostapd_wps_nfc_tag_read(hapd, buf);
wpabuf_free(buf);
return ret;
}
static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
char *cmd, char *reply,
size_t max_len)
{
int ndef;
struct wpabuf *buf;
int res;
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
buf = hostapd_wps_nfc_config_token(hapd, ndef);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
char *reply, size_t max_len,
int ndef)
{
struct wpabuf *buf;
int res;
buf = hostapd_wps_nfc_token_gen(hapd, ndef);
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
char *cmd, char *reply,
size_t max_len)
{
if (os_strcmp(cmd, "WPS") == 0)
return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
max_len, 0);
if (os_strcmp(cmd, "NDEF") == 0)
return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
max_len, 1);
if (os_strcmp(cmd, "enable") == 0)
return hostapd_wps_nfc_token_enable(hapd);
if (os_strcmp(cmd, "disable") == 0) {
hostapd_wps_nfc_token_disable(hapd);
return 0;
}
return -1;
}
static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
char *cmd, char *reply,
size_t max_len)
{
struct wpabuf *buf;
int res;
char *pos;
int ndef;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
if (os_strcmp(cmd, "WPS") == 0)
ndef = 0;
else if (os_strcmp(cmd, "NDEF") == 0)
ndef = 1;
else
return -1;
if (os_strcmp(pos, "WPS-CR") == 0)
buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
else
buf = NULL;
if (buf == NULL)
return -1;
res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
wpabuf_len(buf));
reply[res++] = '\n';
reply[res] = '\0';
wpabuf_free(buf);
return res;
}
static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
char *cmd)
{
size_t len;
struct wpabuf *req, *sel;
int ret;
char *pos, *role, *type, *pos2;
role = cmd;
pos = os_strchr(role, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
type = pos;
pos = os_strchr(type, ' ');
if (pos == NULL)
return -1;
*pos++ = '\0';
pos2 = os_strchr(pos, ' ');
if (pos2 == NULL)
return -1;
*pos2++ = '\0';
len = os_strlen(pos);
if (len & 0x01)
return -1;
len /= 2;
req = wpabuf_alloc(len);
if (req == NULL)
return -1;
if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
wpabuf_free(req);
return -1;
}
len = os_strlen(pos2);
if (len & 0x01) {
wpabuf_free(req);
return -1;
}
len /= 2;
sel = wpabuf_alloc(len);
if (sel == NULL) {
wpabuf_free(req);
return -1;
}
if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
wpabuf_free(req);
wpabuf_free(sel);
return -1;
}
if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) {
ret = hostapd_wps_nfc_report_handover(hapd, req, sel);
} else {
wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
"reported: role=%s type=%s", role, type);
ret = -1;
}
wpabuf_free(req);
wpabuf_free(sel);
return ret;
}
#endif /* CONFIG_WPS_NFC */
static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
char *buf, size_t buflen)
{
int timeout = 300;
char *pos;
const char *pin_txt;
pos = os_strchr(txt, ' ');
if (pos)
*pos++ = '\0';
if (os_strcmp(txt, "disable") == 0) {
hostapd_wps_ap_pin_disable(hapd);
return os_snprintf(buf, buflen, "OK\n");
}
if (os_strcmp(txt, "random") == 0) {
if (pos)
timeout = atoi(pos);
pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
if (pin_txt == NULL)
return -1;
return os_snprintf(buf, buflen, "%s", pin_txt);
}
if (os_strcmp(txt, "get") == 0) {
pin_txt = hostapd_wps_ap_pin_get(hapd);
if (pin_txt == NULL)
return -1;
return os_snprintf(buf, buflen, "%s", pin_txt);
}
if (os_strcmp(txt, "set") == 0) {
char *pin;
if (pos == NULL)
return -1;
pin = pos;
pos = os_strchr(pos, ' ');
if (pos) {
*pos++ = '\0';
timeout = atoi(pos);
}
if (os_strlen(pin) > buflen)
return -1;
if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
return -1;
return os_snprintf(buf, buflen, "%s", pin);
}
return -1;
}
static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
{
char *pos;
char *ssid, *auth, *encr = NULL, *key = NULL;
ssid = txt;
pos = os_strchr(txt, ' ');
if (!pos)
return -1;
*pos++ = '\0';
auth = pos;
pos = os_strchr(pos, ' ');
if (pos) {
*pos++ = '\0';
encr = pos;
pos = os_strchr(pos, ' ');
if (pos) {
*pos++ = '\0';
key = pos;
}
}
return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
}
static const char * pbc_status_str(enum pbc_status status)
{
switch (status) {
case WPS_PBC_STATUS_DISABLE:
return "Disabled";
case WPS_PBC_STATUS_ACTIVE:
return "Active";
case WPS_PBC_STATUS_TIMEOUT:
return "Timed-out";
case WPS_PBC_STATUS_OVERLAP:
return "Overlap";
default:
return "Unknown";
}
}
static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
int ret;
char *pos, *end;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
pbc_status_str(hapd->wps_stats.pbc_status));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
(hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
"Success":
(hapd->wps_stats.status == WPS_STATUS_FAILURE ?
"Failed" : "None")));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
/* If status == Failure - Add possible Reasons */
if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
hapd->wps_stats.failure_reason > 0) {
ret = os_snprintf(pos, end - pos,
"Failure Reason: %s\n",
wps_ei_str(hapd->wps_stats.failure_reason));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->wps_stats.status) {
ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
MAC2STR(hapd->wps_stats.peer_addr));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
return pos - buf;
}
#endif /* CONFIG_WPS */
#ifdef CONFIG_HS20
static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
const char *url;
if (hwaddr_aton(cmd, addr))
return -1;
url = cmd + 17;
if (*url == '\0') {
url = NULL;
} else {
if (*url != ' ')
return -1;
url++;
if (*url == '\0')
url = NULL;
}
return hs20_send_wnm_notification(hapd, addr, 1, url);
}
static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
int code, reauth_delay, ret;
const char *pos;
size_t url_len;
struct wpabuf *req;
/* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */
if (hwaddr_aton(cmd, addr))
return -1;
pos = os_strchr(cmd, ' ');
if (pos == NULL)
return -1;
pos++;
code = atoi(pos);
pos = os_strchr(pos, ' ');
if (pos == NULL)
return -1;
pos++;
reauth_delay = atoi(pos);
url_len = 0;
pos = os_strchr(pos, ' ');
if (pos) {
pos++;
url_len = os_strlen(pos);
}
req = wpabuf_alloc(4 + url_len);
if (req == NULL)
return -1;
wpabuf_put_u8(req, code);
wpabuf_put_le16(req, reauth_delay);
wpabuf_put_u8(req, url_len);
if (pos)
wpabuf_put_data(req, pos, url_len);
wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR
" to indicate imminent deauthentication (code=%d "
"reauth_delay=%d)", MAC2STR(addr), code, reauth_delay);
ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req);
wpabuf_free(req);
return ret;
}
#endif /* CONFIG_HS20 */
#ifdef CONFIG_INTERWORKING
static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
const char *cmd)
{
u8 qos_map_set[16 + 2 * 21], count = 0;
const char *pos = cmd;
int val, ret;
for (;;) {
if (count == sizeof(qos_map_set)) {
wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
return -1;
}
val = atoi(pos);
if (val < 0 || val > 255) {
wpa_printf(MSG_INFO, "Invalid QoS Map Set");
return -1;
}
qos_map_set[count++] = val;
pos = os_strchr(pos, ',');
if (!pos)
break;
pos++;
}
if (count < 16 || count & 1) {
wpa_printf(MSG_INFO, "Invalid QoS Map Set");
return -1;
}
ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
if (ret) {
wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
return -1;
}
os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
hapd->conf->qos_map_set_len = count;
return 0;
}
static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
struct wpabuf *buf;
u8 *qos_map_set = hapd->conf->qos_map_set;
u8 qos_map_set_len = hapd->conf->qos_map_set_len;
int ret;
if (!qos_map_set_len) {
wpa_printf(MSG_INFO, "QoS Map Set is not set");
return -1;
}
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 QoS Map Configuration message",
MAC2STR(addr));
return -1;
}
if (!sta->qos_map_enabled) {
wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
"support for QoS Map", MAC2STR(addr));
return -1;
}
buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
if (buf == NULL)
return -1;
wpabuf_put_u8(buf, WLAN_ACTION_QOS);
wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
/* QoS Map Set Element */
wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
wpabuf_put_u8(buf, qos_map_set_len);
wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
wpabuf_head(buf), wpabuf_len(buf));
wpabuf_free(buf);
return ret;
}
#endif /* CONFIG_INTERWORKING */
#ifdef CONFIG_WNM_AP
static 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);
}
static 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);
}
static 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;
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, " 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, 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;
}
static int hostapd_ctrl_iface_coloc_intf_req(struct hostapd_data *hapd,
const char *cmd)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
const char *pos;
unsigned int auto_report, timeout;
if (hwaddr_aton(cmd, addr)) {
wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
return -1;
}
sta = ap_get_sta(hapd, addr);
if (!sta) {
wpa_printf(MSG_DEBUG, "Station " MACSTR
" not found for Collocated Interference Request",
MAC2STR(addr));
return -1;
}
pos = cmd + 17;
if (*pos != ' ')
return -1;
pos++;
auto_report = atoi(pos);
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
timeout = atoi(pos);
return wnm_send_coloc_intf_req(hapd, sta, auto_report, timeout);
}
#endif /* CONFIG_WNM_AP */
static int hostapd_ctrl_iface_get_key_mgmt(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
int ret = 0;
char *pos, *end;
pos = buf;
end = buf + buflen;
WPA_ASSERT(hapd->conf->wpa_key_mgmt);
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
ret = os_snprintf(pos, end - pos, "WPA-PSK ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "WPA-EAP ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_IEEE80211R_AP
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
ret = os_snprintf(pos, end - pos, "FT-PSK ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
ret = os_snprintf(pos, end - pos, "FT-EAP ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_SHA384
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X_SHA384) {
ret = os_snprintf(pos, end - pos, "FT-EAP-SHA384 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_SHA384 */
#ifdef CONFIG_SAE
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) {
ret = os_snprintf(pos, end - pos, "FT-SAE ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_SAE */
#ifdef CONFIG_FILS
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA256) {
ret = os_snprintf(pos, end - pos, "FT-FILS-SHA256 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_FILS_SHA384) {
ret = os_snprintf(pos, end - pos, "FT-FILS-SHA384 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_FILS */
#endif /* CONFIG_IEEE80211R_AP */
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_SAE
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) {
ret = os_snprintf(pos, end - pos, "SAE ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_SAE */
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
ret = os_snprintf(pos, end - pos, "WPA-EAP-SUITE-B ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt &
WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
ret = os_snprintf(pos, end - pos,
"WPA-EAP-SUITE-B-192 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#ifdef CONFIG_FILS
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FILS_SHA256) {
ret = os_snprintf(pos, end - pos, "FILS-SHA256 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FILS_SHA384) {
ret = os_snprintf(pos, end - pos, "FILS-SHA384 ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_FILS */
#ifdef CONFIG_OWE
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_OWE) {
ret = os_snprintf(pos, end - pos, "OWE ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_OWE */
#ifdef CONFIG_DPP
if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_DPP) {
ret = os_snprintf(pos, end - pos, "DPP ");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
#endif /* CONFIG_DPP */
if (pos > buf && *(pos - 1) == ' ') {
*(pos - 1) = '\0';
pos--;
}
return pos - buf;
}
static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
int ret;
char *pos, *end;
pos = buf;
end = buf + buflen;
ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
"ssid=%s\n",
MAC2STR(hapd->own_addr),
wpa_ssid_txt(hapd->conf->ssid.ssid,
hapd->conf->ssid.ssid_len));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
#ifdef CONFIG_WPS
ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
hapd->conf->wps_state == 0 ? "disabled" :
(hapd->conf->wps_state == 1 ? "not configured" :
"configured"));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
if (hapd->conf->wps_state && hapd->conf->wpa &&
hapd->conf->ssid.wpa_passphrase) {
ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
hapd->conf->ssid.wpa_passphrase);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wps_state && hapd->conf->wpa &&
hapd->conf->ssid.wpa_psk &&
hapd->conf->ssid.wpa_psk->group) {
char hex[PMK_LEN * 2 + 1];
wpa_snprintf_hex(hex, sizeof(hex),
hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->multi_ap) {
struct hostapd_ssid *ssid = &hapd->conf->multi_ap_backhaul_ssid;
ret = os_snprintf(pos, end - pos, "multi_ap=%d\n",
hapd->conf->multi_ap);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
if (ssid->ssid_len) {
ret = os_snprintf(pos, end - pos,
"multi_ap_backhaul_ssid=%s\n",
wpa_ssid_txt(ssid->ssid,
ssid->ssid_len));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wps_state && hapd->conf->wpa &&
ssid->wpa_passphrase) {
ret = os_snprintf(pos, end - pos,
"multi_ap_backhaul_wpa_passphrase=%s\n",
ssid->wpa_passphrase);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wps_state && hapd->conf->wpa &&
ssid->wpa_psk &&
ssid->wpa_psk->group) {
char hex[PMK_LEN * 2 + 1];
wpa_snprintf_hex(hex, sizeof(hex), ssid->wpa_psk->psk,
PMK_LEN);
ret = os_snprintf(pos, end - pos,
"multi_ap_backhaul_wpa_psk=%s\n",
hex);
forced_memzero(hex, sizeof(hex));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
}
#endif /* CONFIG_WPS */
if (hapd->conf->wpa) {
ret = os_snprintf(pos, end - pos, "wpa=%d\n", hapd->conf->wpa);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
ret = os_snprintf(pos, end - pos, "key_mgmt=");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
pos += hostapd_ctrl_iface_get_key_mgmt(hapd, pos, end - pos);
ret = os_snprintf(pos, end - pos, "\n");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa) {
ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
wpa_cipher_txt(hapd->conf->wpa_group));
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
" ");
if (ret < 0)
return pos - buf;
pos += ret;
ret = os_snprintf(pos, end - pos, "\n");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
ret = wpa_write_ciphers(pos, end, hapd->conf->wpa_pairwise,
" ");
if (ret < 0)
return pos - buf;
pos += ret;
ret = os_snprintf(pos, end - pos, "\n");
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if (hapd->conf->wpa && hapd->conf->wpa_deny_ptk0_rekey) {
ret = os_snprintf(pos, end - pos, "wpa_deny_ptk0_rekey=%d\n",
hapd->conf->wpa_deny_ptk0_rekey);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->extended_key_id) {
ret = os_snprintf(pos, end - pos, "extended_key_id=%d\n",
hapd->conf->extended_key_id);
if (os_snprintf_error(end - pos, ret))
return pos - buf;
pos += ret;
}
return pos - buf;
}
static void 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;
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);
}
}
static void 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);
}
}
static int hostapd_ctrl_iface_set_band(struct hostapd_data *hapd,
const char *bands)
{
union wpa_event_data event;
u32 setband_mask = WPA_SETBAND_AUTO;
/*
* For example:
* SET setband 2G,6G
* SET setband 5G
* SET setband AUTO
*/
if (!os_strstr(bands, "AUTO")) {
if (os_strstr(bands, "5G"))
setband_mask |= WPA_SETBAND_5G;
if (os_strstr(bands, "6G"))
setband_mask |= WPA_SETBAND_6G;
if (os_strstr(bands, "2G"))
setband_mask |= WPA_SETBAND_2G;
if (setband_mask == WPA_SETBAND_AUTO)
return -1;
}
if (hostapd_drv_set_band(hapd, setband_mask) == 0) {
os_memset(&event, 0, sizeof(event));
event.channel_list_changed.initiator = REGDOM_SET_BY_USER;
event.channel_list_changed.type = REGDOM_TYPE_UNKNOWN;
wpa_supplicant_event(hapd, EVENT_CHANNEL_LIST_CHANGED, &event);
}
return 0;
}
static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
{
char *value;
int ret = 0;
value = os_strchr(cmd, ' ');
if (value == NULL)
return -1;
*value++ = '\0';
wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
if (0) {
#ifdef CONFIG_WPS_TESTING
} else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
long int val;
val = strtol(value, NULL, 0);
if (val < 0 || val > 0xff) {
ret = -1;
wpa_printf(MSG_DEBUG, "WPS: Invalid "
"wps_version_number %ld", val);
} else {
wps_version_number = val;
wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
"version %u.%u",
(wps_version_number & 0xf0) >> 4,
wps_version_number & 0x0f);
hostapd_wps_update_ie(hapd);
}
} else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
wps_testing_dummy_cred = atoi(value);
wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
wps_testing_dummy_cred);
} else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
wps_corrupt_pkhash = atoi(value);
wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
wps_corrupt_pkhash);
#endif /* CONFIG_WPS_TESTING */
#ifdef CONFIG_TESTING_OPTIONS
} else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
hapd->ext_mgmt_frame_handling = atoi(value);
} else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
hapd->ext_eapol_frame_io = atoi(value);
#ifdef CONFIG_DPP
} else if (os_strcasecmp(cmd, "dpp_config_obj_override") == 0) {
os_free(hapd->dpp_config_obj_override);
hapd->dpp_config_obj_override = os_strdup(value);
} else if (os_strcasecmp(cmd, "dpp_discovery_override") == 0) {
os_free(hapd->dpp_discovery_override);
hapd->dpp_discovery_override = os_strdup(value);
} else if (os_strcasecmp(cmd, "dpp_groups_override") == 0) {
os_free(hapd->dpp_groups_override);
hapd->dpp_groups_override = os_strdup(value);
} else if (os_strcasecmp(cmd,
"dpp_ignore_netaccesskey_mismatch") == 0) {
hapd->dpp_ignore_netaccesskey_mismatch = atoi(value);
} else if (os_strcasecmp(cmd, "dpp_test") == 0) {
dpp_test = atoi(value);
} else if (os_strcasecmp(cmd, "dpp_version_override") == 0) {
dpp_version_override = atoi(value);
#endif /* CONFIG_DPP */
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef CONFIG_MBO
} else if (os_strcasecmp(cmd, "mbo_assoc_disallow") == 0) {
int val;
if (!hapd->conf->mbo_enabled)
return -1;
val = atoi(value);
if (val < 0 || val > 1)
return -1;
hapd->mbo_assoc_disallow = val;
ieee802_11_update_beacons(hapd->iface);
/*
* TODO: Need to configure drivers that do AP MLME offload with
* disallowing station logic.
*/
#endif /* CONFIG_MBO */
#ifdef CONFIG_DPP
} else if (os_strcasecmp(cmd, "dpp_configurator_params") == 0) {
os_free(hapd->dpp_configurator_params);
hapd->dpp_configurator_params = os_strdup(value);
#endif /* CONFIG_DPP */
} else if (os_strcasecmp(cmd, "setband") == 0) {
ret = hostapd_ctrl_iface_set_band(hapd, value);
} else {
ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
if (ret)
return ret;
if (os_strcasecmp(cmd, "deny_mac_file") == 0) {
hostapd_disassoc_deny_mac(hapd);
} else if (os_strcasecmp(cmd, "accept_mac_file") == 0) {
hostapd_disassoc_accept_mac(hapd);
} else if (os_strncmp(cmd, "wme_ac_", 7) == 0 ||
os_strncmp(cmd, "wmm_ac_", 7) == 0) {
hapd->parameter_set_count++;
if (ieee802_11_update_beacons(hapd->iface))
wpa_printf(MSG_DEBUG,
"Failed to update beacons with WMM parameters");
} else if (os_strcmp(cmd, "wpa_passphrase") == 0 ||
os_strcmp(cmd, "sae_password") == 0 ||
os_strcmp(cmd, "sae_pwe") == 0) {
if (hapd->started)
hostapd_setup_sae_pt(hapd->conf);
} else if (os_strcasecmp(cmd, "transition_disable") == 0) {
wpa_auth_set_transition_disable(hapd->wpa_auth,
hapd->conf->transition_disable);
}
#ifdef CONFIG_TESTING_OPTIONS
if (os_strcmp(cmd, "ft_rsnxe_used") == 0)
wpa_auth_set_ft_rsnxe_used(hapd->wpa_auth,
hapd->conf->ft_rsnxe_used);
else if (os_strcmp(cmd, "oci_freq_override_eapol_m3") == 0)
wpa_auth_set_ocv_override_freq(
hapd->wpa_auth, WPA_AUTH_OCV_OVERRIDE_EAPOL_M3,
atoi(value));
else if (os_strcmp(cmd, "oci_freq_override_eapol_g1") == 0)
wpa_auth_set_ocv_override_freq(
hapd->wpa_auth, WPA_AUTH_OCV_OVERRIDE_EAPOL_G1,
atoi(value));
else if (os_strcmp(cmd, "oci_freq_override_ft_assoc") == 0)
wpa_auth_set_ocv_override_freq(
hapd->wpa_auth, WPA_AUTH_OCV_OVERRIDE_FT_ASSOC,
atoi(value));
else if (os_strcmp(cmd, "oci_freq_override_fils_assoc") == 0)
wpa_auth_set_ocv_override_freq(
hapd->wpa_auth,
WPA_AUTH_OCV_OVERRIDE_FILS_ASSOC, atoi(value));
else if (os_strcasecmp(cmd, "skip_send_eapol") == 0)
wpa_auth_set_skip_send_eapol(hapd->wpa_auth, atoi(value));
else if (os_strcasecmp(cmd, "enable_eapol_large_timeout") == 0)
wpa_auth_set_enable_eapol_large_timeout(hapd->wpa_auth, atoi(value));
#endif /* CONFIG_TESTING_OPTIONS */
}
return ret;
}
static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
char *buf, size_t buflen)
{
int res;
wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
if (os_strcmp(cmd, "version") == 0) {
res = os_snprintf(buf, buflen, "%s", VERSION_STR);
if (os_snprintf_error(buflen, res))
return -1;
return res;
} else if (os_strcmp(cmd, "tls_library") == 0) {
res = tls_get_library_version(buf, buflen);
if (os_snprintf_error(buflen, res))
return -1;
return res;
}
return -1;
}
static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
{
if (hostapd_enable_iface(iface) < 0) {
wpa_printf(MSG_ERROR, "Enabling of interface failed");
return -1;
}
return 0;
}
static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
{
if (hostapd_reload_iface(iface) < 0) {
wpa_printf(MSG_ERROR, "Reloading of interface failed");
return -1;
}
return 0;
}
static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
{
if (hostapd_disable_iface(iface) < 0) {
wpa_printf(MSG_ERROR, "Disabling of interface failed");
return -1;
}
return 0;
}
static int
hostapd_ctrl_iface_kick_mismatch_psk_sta_iter(struct hostapd_data *hapd,
struct sta_info *sta, void *ctx)
{
struct hostapd_wpa_psk *psk;
const u8 *pmk;
int pmk_len;
int pmk_match;
int sta_match;
int bss_match;
int reason;
pmk = wpa_auth_get_pmk(sta->wpa_sm, &pmk_len);
for (psk = hapd->conf->ssid.wpa_psk; pmk && psk; psk = psk->next) {
pmk_match = PMK_LEN == pmk_len &&
os_memcmp(psk->psk, pmk, pmk_len) == 0;
sta_match = psk->group == 0 &&
os_memcmp(sta->addr, psk->addr, ETH_ALEN) == 0;
bss_match = psk->group == 1;
if (pmk_match && (sta_match || bss_match))
return 0;
}
wpa_printf(MSG_INFO, "STA " MACSTR
" PSK/passphrase no longer valid - disconnect",
MAC2STR(sta->addr));
reason = WLAN_REASON_PREV_AUTH_NOT_VALID;
hostapd_drv_sta_deauth(hapd, sta->addr, reason);
ap_sta_deauthenticate(hapd, sta, reason);
return 0;
}
static int hostapd_ctrl_iface_reload_wpa_psk(struct hostapd_data *hapd)
{
struct hostapd_bss_config *conf = hapd->conf;
int err;
hostapd_config_clear_wpa_psk(&conf->ssid.wpa_psk);
err = hostapd_setup_wpa_psk(conf);
if (err < 0) {
wpa_printf(MSG_ERROR, "Reloading WPA-PSK passwords failed: %d",
err);
return -1;
}
ap_for_each_sta(hapd, hostapd_ctrl_iface_kick_mismatch_psk_sta_iter,
NULL);
return 0;
}
#ifdef CONFIG_TESTING_OPTIONS
static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
{
union wpa_event_data data;
char *pos, *param;
enum wpa_event_type event;
wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
os_memset(&data, 0, sizeof(data));
param = os_strchr(cmd, ' ');
if (param == NULL)
return -1;
*param++ = '\0';
if (os_strcmp(cmd, "DETECTED") == 0)
event = EVENT_DFS_RADAR_DETECTED;
else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
event = EVENT_DFS_CAC_FINISHED;
else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
event = EVENT_DFS_CAC_ABORTED;
else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
event = EVENT_DFS_NOP_FINISHED;
else {
wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
cmd);
return -1;
}
pos = os_strstr(param, "freq=");
if (pos)
data.dfs_event.freq = atoi(pos + 5);
pos = os_strstr(param, "ht_enabled=1");
if (pos)
data.dfs_event.ht_enabled = 1;
pos = os_strstr(param, "chan_offset=");
if (pos)
data.dfs_event.chan_offset = atoi(pos + 12);
pos = os_strstr(param, "chan_width=");
if (pos)
data.dfs_event.chan_width = atoi(pos + 11);
pos = os_strstr(param, "cf1=");
if (pos)
data.dfs_event.cf1 = atoi(pos + 4);
pos = os_strstr(param, "cf2=");
if (pos)
data.dfs_event.cf2 = atoi(pos + 4);
wpa_supplicant_event(hapd, event, &data);
return 0;
}
static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
{
size_t len;
u8 *buf;
int res;
wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
len = os_strlen(cmd);
if (len & 1)
return -1;
len /= 2;
buf = os_malloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(cmd, buf, len) < 0) {
os_free(buf);
return -1;
}
res = hostapd_drv_send_mlme(hapd, buf, len, 0, NULL, 0, 0);
os_free(buf);
return res;
}
static int hostapd_ctrl_iface_mgmt_tx_status_process(struct hostapd_data *hapd,
char *cmd)
{
char *pos, *param;
size_t len;
u8 *buf;
int stype = 0, ok = 0;
union wpa_event_data event;
if (!hapd->ext_mgmt_frame_handling)
return -1;
/* stype=<val> ok=<0/1> buf=<frame hexdump> */
wpa_printf(MSG_DEBUG, "External MGMT TX status process: %s", cmd);
pos = cmd;
param = os_strstr(pos, "stype=");
if (param) {
param += 6;
stype = atoi(param);
}
param = os_strstr(pos, " ok=");
if (param) {
param += 4;
ok = atoi(param);
}
param = os_strstr(pos, " buf=");
if (!param)
return -1;
param += 5;
len = os_strlen(param);
if (len & 1)
return -1;
len /= 2;
buf = os_malloc(len);
if (!buf || hexstr2bin(param, buf, len) < 0) {
os_free(buf);
return -1;
}
os_memset(&event, 0, sizeof(event));
event.tx_status.type = WLAN_FC_TYPE_MGMT;
event.tx_status.data = buf;
event.tx_status.data_len = len;
event.tx_status.stype = stype;
event.tx_status.ack = ok;
hapd->ext_mgmt_frame_handling = 0;
wpa_supplicant_event(hapd, EVENT_TX_STATUS, &event);
hapd->ext_mgmt_frame_handling = 1;
os_free(buf);
return 0;
}
static int hostapd_ctrl_iface_mgmt_rx_process(struct hostapd_data *hapd,
char *cmd)
{
char *pos, *param;
size_t len;
u8 *buf;
int freq = 0, datarate = 0, ssi_signal = 0;
union wpa_event_data event;
if (!hapd->ext_mgmt_frame_handling)
return -1;
/* freq=<MHz> datarate=<val> ssi_signal=<val> frame=<frame hexdump> */
wpa_printf(MSG_DEBUG, "External MGMT RX process: %s", cmd);
pos = cmd;
param = os_strstr(pos, "freq=");
if (param) {
param += 5;
freq = atoi(param);
}
param = os_strstr(pos, " datarate=");
if (param) {
param += 10;
datarate = atoi(param);
}
param = os_strstr(pos, " ssi_signal=");
if (param) {
param += 12;
ssi_signal = atoi(param);
}
param = os_strstr(pos, " frame=");
if (param == NULL)
return -1;
param += 7;
len = os_strlen(param);
if (len & 1)
return -1;
len /= 2;
buf = os_malloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(param, buf, len) < 0) {
os_free(buf);
return -1;
}
os_memset(&event, 0, sizeof(event));
event.rx_mgmt.freq = freq;
event.rx_mgmt.frame = buf;
event.rx_mgmt.frame_len = len;
event.rx_mgmt.ssi_signal = ssi_signal;
event.rx_mgmt.datarate = datarate;
hapd->ext_mgmt_frame_handling = 0;
wpa_supplicant_event(hapd, EVENT_RX_MGMT, &event);
hapd->ext_mgmt_frame_handling = 1;
os_free(buf);
return 0;
}
static int hostapd_ctrl_iface_eapol_rx(struct hostapd_data *hapd, char *cmd)
{
char *pos;
u8 src[ETH_ALEN], *buf;
int used;
size_t len;
wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
pos = cmd;
used = hwaddr_aton2(pos, src);
if (used < 0)
return -1;
pos += used;
while (*pos == ' ')
pos++;
len = os_strlen(pos);
if (len & 1)
return -1;
len /= 2;
buf = os_malloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(pos, buf, len) < 0) {
os_free(buf);
return -1;
}
ieee802_1x_receive(hapd, src, buf, len);
os_free(buf);
return 0;
}
static u16 ipv4_hdr_checksum(const void *buf, size_t len)
{
size_t i;
u32 sum = 0;
const u16 *pos = buf;
for (i = 0; i < len / 2; i++)
sum += *pos++;
while (sum >> 16)
sum = (sum & 0xffff) + (sum >> 16);
return sum ^ 0xffff;
}
#define HWSIM_PACKETLEN 1500
#define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
static void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
size_t len)
{
struct hostapd_data *hapd = ctx;
const struct ether_header *eth;
struct ip ip;
const u8 *pos;
unsigned int i;
char extra[30];
if (len < sizeof(*eth) + sizeof(ip) || len > HWSIM_PACKETLEN) {
wpa_printf(MSG_DEBUG,
"test data: RX - ignore unexpected length %d",
(int) len);
return;
}
eth = (const struct ether_header *) buf;
os_memcpy(&ip, eth + 1, sizeof(ip));
pos = &buf[sizeof(*eth) + sizeof(ip)];
if (ip.ip_hl != 5 || ip.ip_v != 4 ||
ntohs(ip.ip_len) > HWSIM_IP_LEN) {
wpa_printf(MSG_DEBUG,
"test data: RX - ignore unexpected IP header");
return;
}
for (i = 0; i < ntohs(ip.ip_len) - sizeof(ip); i++) {
if (*pos != (u8) i) {
wpa_printf(MSG_DEBUG,
"test data: RX - ignore mismatching payload");
return;
}
pos++;
}
extra[0] = '\0';
if (ntohs(ip.ip_len) != HWSIM_IP_LEN)
os_snprintf(extra, sizeof(extra), " len=%d", ntohs(ip.ip_len));
wpa_msg(hapd->msg_ctx, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR "%s",
MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost), extra);
}
static int hostapd_ctrl_iface_data_test_config(struct hostapd_data *hapd,
char *cmd)
{
int enabled = atoi(cmd);
char *pos;
const char *ifname;
if (!enabled) {
if (hapd->l2_test) {
l2_packet_deinit(hapd->l2_test);
hapd->l2_test = NULL;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
"test data: Disabled");
}
return 0;
}
if (hapd->l2_test)
return 0;
pos = os_strstr(cmd, " ifname=");
if (pos)
ifname = pos + 8;
else
ifname = hapd->conf->iface;
hapd->l2_test = l2_packet_init(ifname, hapd->own_addr,
ETHERTYPE_IP, hostapd_data_test_rx,
hapd, 1);
if (hapd->l2_test == NULL)
return -1;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: Enabled");
return 0;
}
static int hostapd_ctrl_iface_data_test_tx(struct hostapd_data *hapd, char *cmd)
{
u8 dst[ETH_ALEN], src[ETH_ALEN];
char *pos, *pos2;
int used;
long int val;
u8 tos;
u8 buf[2 + HWSIM_PACKETLEN];
struct ether_header *eth;
struct ip *ip;
u8 *dpos;
unsigned int i;
size_t send_len = HWSIM_IP_LEN;
if (hapd->l2_test == NULL)
return -1;
/* format: <dst> <src> <tos> [len=<length>] */
pos = cmd;
used = hwaddr_aton2(pos, dst);
if (used < 0)
return -1;
pos += used;
while (*pos == ' ')
pos++;
used = hwaddr_aton2(pos, src);
if (used < 0)
return -1;
pos += used;
val = strtol(pos, &pos2, 0);
if (val < 0 || val > 0xff)
return -1;
tos = val;
pos = os_strstr(pos2, " len=");
if (pos) {
i = atoi(pos + 5);
if (i < sizeof(*ip) || i > HWSIM_IP_LEN)
return -1;
send_len = i;
}
eth = (struct ether_header *) &buf[2];
os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
os_memcpy(eth->ether_shost, src, ETH_ALEN);
eth->ether_type = htons(ETHERTYPE_IP);
ip = (struct ip *) (eth + 1);
os_memset(ip, 0, sizeof(*ip));
ip->ip_hl = 5;
ip->ip_v = 4;
ip->ip_ttl = 64;
ip->ip_tos = tos;
ip->ip_len = htons(send_len);
ip->ip_p = 1;
ip->ip_src.s_addr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
ip->ip_dst.s_addr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
ip->ip_sum = ipv4_hdr_checksum(ip, sizeof(*ip));
dpos = (u8 *) (ip + 1);
for (i = 0; i < send_len - sizeof(*ip); i++)
*dpos++ = i;
if (l2_packet_send(hapd->l2_test, dst, ETHERTYPE_IP, &buf[2],
sizeof(struct ether_header) + send_len) < 0)
return -1;
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX dst=" MACSTR
" src=" MACSTR " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
return 0;
}
static int hostapd_ctrl_iface_data_test_frame(struct hostapd_data *hapd,
char *cmd)
{
u8 *buf;
struct ether_header *eth;
struct l2_packet_data *l2 = NULL;
size_t len;
u16 ethertype;
int res = -1;
const char *ifname = hapd->conf->iface;
if (os_strncmp(cmd, "ifname=", 7) == 0) {
cmd += 7;
ifname = cmd;
cmd = os_strchr(cmd, ' ');
if (cmd == NULL)
return -1;
*cmd++ = '\0';
}
len = os_strlen(cmd);
if (len & 1 || len < ETH_HLEN * 2)
return -1;
len /= 2;
buf = os_malloc(len);
if (buf == NULL)
return -1;
if (hexstr2bin(cmd, buf, len) < 0)
goto done;
eth = (struct ether_header *) buf;
ethertype = ntohs(eth->ether_type);
l2 = l2_packet_init(ifname, hapd->own_addr, ethertype,
hostapd_data_test_rx, hapd, 1);
if (l2 == NULL)
goto done;
res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX frame res=%d", res);
done:
if (l2)
l2_packet_deinit(l2);
os_free(buf);
return res < 0 ? -1 : 0;
}
static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd)
{
#ifdef WPA_TRACE_BFD
char *pos;
wpa_trace_fail_after = atoi(cmd);
pos = os_strchr(cmd, ':');
if (pos) {
pos++;
os_strlcpy(wpa_trace_fail_func, pos,
sizeof(wpa_trace_fail_func));
} else {
wpa_trace_fail_after = 0;
}
return 0;
#else /* WPA_TRACE_BFD */
return -1;
#endif /* WPA_TRACE_BFD */
}
static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
#ifdef WPA_TRACE_BFD
return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
wpa_trace_fail_func);
#else /* WPA_TRACE_BFD */
return -1;
#endif /* WPA_TRACE_BFD */
}
static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd)
{
#ifdef WPA_TRACE_BFD
char *pos;
wpa_trace_test_fail_after = atoi(cmd);
pos = os_strchr(cmd, ':');
if (pos) {
pos++;
os_strlcpy(wpa_trace_test_fail_func, pos,
sizeof(wpa_trace_test_fail_func));
} else {
wpa_trace_test_fail_after = 0;
}
return 0;
#else /* WPA_TRACE_BFD */
return -1;
#endif /* WPA_TRACE_BFD */
}
static int hostapd_ctrl_get_fail(struct hostapd_data *hapd,
char *buf, size_t buflen)
{
#ifdef WPA_TRACE_BFD
return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
wpa_trace_test_fail_func);
#else /* WPA_TRACE_BFD */
return -1;
#endif /* WPA_TRACE_BFD */
}
static int hostapd_ctrl_reset_pn(struct hostapd_data *hapd, const char *cmd)
{
struct sta_info *sta;
u8 addr[ETH_ALEN];
u8 zero[WPA_TK_MAX_LEN];
os_memset(zero, 0, sizeof(zero));
if (hwaddr_aton(cmd, addr))
return -1;
if (is_broadcast_ether_addr(addr) && os_strstr(cmd, " BIGTK")) {
if (hapd->last_bigtk_alg == WPA_ALG_NONE)
return -1;
wpa_printf(MSG_INFO, "TESTING: Reset BIPN for BIGTK");
/* First, use a zero key to avoid any possible duplicate key
* avoidance in the driver. */
if (hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_bigtk_alg,
broadcast_ether_addr,
hapd->last_bigtk_key_idx, 0, 1, NULL, 0,
zero, hapd->last_bigtk_len,
KEY_FLAG_GROUP_TX_DEFAULT) < 0)
return -1;
/* Set the previously configured key to reset its TSC */
return hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_bigtk_alg,
broadcast_ether_addr,
hapd->last_bigtk_key_idx, 0, 1, NULL,
0, hapd->last_bigtk,
hapd->last_bigtk_len,
KEY_FLAG_GROUP_TX_DEFAULT);
}
if (is_broadcast_ether_addr(addr) && os_strstr(cmd, "IGTK")) {
if (hapd->last_igtk_alg == WPA_ALG_NONE)
return -1;
wpa_printf(MSG_INFO, "TESTING: Reset IPN for IGTK");
/* First, use a zero key to avoid any possible duplicate key
* avoidance in the driver. */
if (hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_igtk_alg,
broadcast_ether_addr,
hapd->last_igtk_key_idx, 0, 1, NULL, 0,
zero, hapd->last_igtk_len,
KEY_FLAG_GROUP_TX_DEFAULT) < 0)
return -1;
/* Set the previously configured key to reset its TSC */
return hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_igtk_alg,
broadcast_ether_addr,
hapd->last_igtk_key_idx, 0, 1, NULL,
0, hapd->last_igtk,
hapd->last_igtk_len,
KEY_FLAG_GROUP_TX_DEFAULT);
}
if (is_broadcast_ether_addr(addr)) {
if (hapd->last_gtk_alg == WPA_ALG_NONE)
return -1;
wpa_printf(MSG_INFO, "TESTING: Reset PN for GTK");
/* First, use a zero key to avoid any possible duplicate key
* avoidance in the driver. */
if (hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_gtk_alg,
broadcast_ether_addr,
hapd->last_gtk_key_idx, 0, 1, NULL, 0,
zero, hapd->last_gtk_len,
KEY_FLAG_GROUP_TX_DEFAULT) < 0)
return -1;
/* Set the previously configured key to reset its TSC */
return hostapd_drv_set_key(hapd->conf->iface, hapd,
hapd->last_gtk_alg,
broadcast_ether_addr,
hapd->last_gtk_key_idx, 0, 1, NULL,
0, hapd->last_gtk,
hapd->last_gtk_len,
KEY_FLAG_GROUP_TX_DEFAULT);
}
sta = ap_get_sta(hapd, addr);
if (!sta)
return -1;
if (sta->last_tk_alg == WPA_ALG_NONE)
return -1;
wpa_printf(MSG_INFO, "TESTING: Reset PN for " MACSTR,
MAC2STR(sta->addr));
/* First, use a zero key to avoid any possible duplicate key avoidance
* in the driver. */
if (hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg,
sta->addr, sta->last_tk_key_idx, 0, 1, NULL, 0,
zero, sta->last_tk_len,
KEY_FLAG_PAIRWISE_RX_TX) < 0)
return -1;
/* Set the previously configured key to reset its TSC/RSC */
return hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg,
sta->addr, sta->last_tk_key_idx, 0, 1, NULL,
0, sta->last_tk, sta->last_tk_len,
KEY_FLAG_PAIRWISE_RX_TX);
}
static int hostapd_ctrl_set_key(struct hostapd_data *hapd, const char *cmd)
{
u8 addr[ETH_ALEN];
const char *pos = cmd;
enum wpa_alg alg;
enum key_flag key_flag;
int idx, set_tx;
u8 seq[6], key[WPA_TK_MAX_LEN];
size_t key_len;
/* parameters: alg addr idx set_tx seq key key_flag */
alg = atoi(pos);
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
if (hwaddr_aton(pos, addr))
return -1;
pos += 17;
if (*pos != ' ')
return -1;
pos++;
idx = atoi(pos);
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
set_tx = atoi(pos);
pos = os_strchr(pos, ' ');
if (!pos)
return -1;
pos++;
if (hexstr2bin(pos, seq, sizeof(seq)) < 0)
return -1;
pos += 2 * 6;
if (*pos != ' ')
return -1;
pos++;
if (!os_strchr(pos, ' '))
return -1;
key_len = (os_strchr(pos, ' ') - pos) / 2;
if (hexstr2bin(pos, key, key_len) < 0)
return -1;
pos += 2 * key_len;
if (*pos != ' ')
return -1;
pos++;
key_flag = atoi(pos);
pos = os_strchr(pos, ' ');
if (pos)
return -1;
wpa_printf(MSG_INFO, "TESTING: Set key");
return hostapd_drv_set_key(hapd->conf->iface, hapd, alg, addr, idx, 0,
set_tx, seq, 6, key, key_len, key_flag);
}
static void restore_tk(void *ctx1, void *ctx2)
{
struct hostapd_data *hapd = ctx1;
struct sta_info *sta = ctx2;
wpa_printf(MSG_INFO, "TESTING: Restore TK for " MACSTR,
MAC2STR(sta->addr));
/* This does not really restore the TSC properly, so this will result
* in replay protection issues for now since there is no clean way of
* preventing encryption of a single EAPOL frame. */
hostapd_drv_set_key(hapd->conf->iface, hapd, sta->last_tk_alg,
sta->addr, sta->last_tk_key_idx, 0, 1, NULL, 0,
sta->last_tk, sta->last_tk_len,
KEY_FLAG_PAIRWISE_RX_TX);
}
static int hostapd_ctrl_resend_m1(struct hostapd_data *hapd, const char *cmd)
{
struct sta_info *sta;
u8 addr[ETH_ALEN];
int plain = os_strstr(cmd, "plaintext") != NULL;
if (hwaddr_aton(cmd, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta || !sta->wpa_sm)
return -1;
if (plain && sta->last_tk_alg == WPA_ALG_NONE)
plain = 0; /* no need for special processing */
if (plain) {
wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR,
MAC2STR(sta->addr));
hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE,
sta->addr, sta->last_tk_key_idx, 0, 0, NULL,
0, NULL, 0, KEY_FLAG_PAIRWISE);
}
wpa_printf(MSG_INFO, "TESTING: Send M1 to " MACSTR, MAC2STR(sta->addr));
return wpa_auth_resend_m1(sta->wpa_sm,
os_strstr(cmd, "change-anonce") != NULL,
plain ? restore_tk : NULL, hapd, sta);
}
static int hostapd_ctrl_resend_m3(struct hostapd_data *hapd, const char *cmd)
{
struct sta_info *sta;
u8 addr[ETH_ALEN];
int plain = os_strstr(cmd, "plaintext") != NULL;
if (hwaddr_aton(cmd, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta || !sta->wpa_sm)
return -1;
if (plain && sta->last_tk_alg == WPA_ALG_NONE)
plain = 0; /* no need for special processing */
if (plain) {
wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR,
MAC2STR(sta->addr));
hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE,
sta->addr, sta->last_tk_key_idx, 0, 0, NULL,
0, NULL, 0, KEY_FLAG_PAIRWISE);
}
wpa_printf(MSG_INFO, "TESTING: Send M3 to " MACSTR, MAC2STR(sta->addr));
return wpa_auth_resend_m3(sta->wpa_sm,
plain ? restore_tk : NULL, hapd, sta);
}
static int hostapd_ctrl_resend_group_m1(struct hostapd_data *hapd,
const char *cmd)
{
struct sta_info *sta;
u8 addr[ETH_ALEN];
int plain = os_strstr(cmd, "plaintext") != NULL;
if (hwaddr_aton(cmd, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta || !sta->wpa_sm)
return -1;
if (plain && sta->last_tk_alg == WPA_ALG_NONE)
plain = 0; /* no need for special processing */
if (plain) {
wpa_printf(MSG_INFO, "TESTING: Clear TK for " MACSTR,
MAC2STR(sta->addr));
hostapd_drv_set_key(hapd->conf->iface, hapd, WPA_ALG_NONE,
sta->addr, sta->last_tk_key_idx, 0, 0, NULL,
0, NULL, 0, KEY_FLAG_PAIRWISE);
}
wpa_printf(MSG_INFO,
"TESTING: Send group M1 for the same GTK and zero RSC to "
MACSTR, MAC2STR(sta->addr));
return wpa_auth_resend_group_m1(sta->wpa_sm,
plain ? restore_tk : NULL, hapd, sta);
}
static int hostapd_ctrl_get_pmksa_pmk(struct hostapd_data *hapd, const u8 *addr,
char *buf, size_t buflen)
{
struct rsn_pmksa_cache_entry *pmksa;
pmksa = wpa_auth_pmksa_get(hapd->wpa_auth, addr, NULL);
if (!pmksa)
return -1;
return wpa_snprintf_hex(buf, buflen, pmksa->pmk, pmksa->pmk_len);
}
static int hostapd_ctrl_get_pmk(struct hostapd_data *hapd, const char *cmd,
char *buf, size_t buflen)
{
struct sta_info *sta;
u8 addr[ETH_ALEN];
const u8 *pmk;
int pmk_len;
if (hwaddr_aton(cmd, addr))
return -1;
sta = ap_get_sta(hapd, addr);
if (!sta || !sta->wpa_sm) {
wpa_printf(MSG_DEBUG, "No STA WPA state machine for " MACSTR,
MAC2STR(addr));
return hostapd_ctrl_get_pmksa_pmk(hapd, addr, buf, buflen);
}
pmk = wpa_auth_get_pmk(sta->wpa_sm, &pmk_len);
if (!pmk || !pmk_len) {
wpa_printf(MSG_DEBUG, "No PMK stored for " MACSTR,
MAC2STR(addr));
return hostapd_ctrl_get_pmksa_pmk(hapd, addr, buf, buflen);
}
return wpa_snprintf_hex(buf, buflen, pmk, pmk_len);
}
#endif /* CONFIG_TESTING_OPTIONS */
#ifdef NEED_AP_MLME
static int hostapd_ctrl_check_freq_params(struct hostapd_freq_params *params)
{
switch (params->bandwidth) {
case 0:
/* bandwidth not specified: use 20 MHz by default */
/* fall-through */
case 20:
if (params->center_freq1 &&
params->center_freq1 != params->freq)
return -1;
if (params->center_freq2 || params->sec_channel_offset)
return -1;
break;
case 40:
if (params->center_freq2 || !params->sec_channel_offset)
return -1;
if (!params->center_freq1)
break;
switch (params->sec_channel_offset) {
case 1:
if (params->freq + 10 != params->center_freq1)
return -1;
break;
case -1:
if (params->freq - 10 != params->center_freq1)
return -1;
break;
default:
return -1;
}
break;
case 80:
if (!params->center_freq1 || !params->sec_channel_offset)
return 1;
switch (params->sec_channel_offset) {
case 1:
if (params->freq - 10 != params->center_freq1 &&
params->freq + 30 != params->center_freq1)
return 1;
break;
case -1:
if (params->freq + 10 != params->center_freq1 &&
params->freq - 30 != params->center_freq1)
return -1;
break;
default:
return -1;
}
/* Adjacent and overlapped are not allowed for 80+80 */
if (params->center_freq2 &&
params->center_freq1 - params->center_freq2 <= 80 &&
params->center_freq2 - params->center_freq1 <= 80)
return 1;
break;
case 160:
if (!params->center_freq1 || params->center_freq2 ||
!params->sec_channel_offset)
return -1;
switch (params->sec_channel_offset) {
case 1:
if (params->freq + 70 != params->center_freq1 &&
params->freq + 30 != params->center_freq1 &&
params->freq - 10 != params->center_freq1 &&
params->freq - 50 != params->center_freq1)