/*
* Control interface for shared AP commands
- * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2014, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * 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 "wps_hostapd.h"
#include "p2p_hostapd.h"
#include "ctrl_iface_ap.h"
+#include "ap_drv_ops.h"
+
+
+static int hostapd_get_sta_tx_rx(struct hostapd_data *hapd,
+ struct sta_info *sta,
+ char *buf, size_t buflen)
+{
+ struct hostap_sta_driver_data data;
+ int ret;
+
+ 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=%lu\ntx_bytes=%lu\n",
+ data.rx_packets, data.tx_packets,
+ data.rx_bytes, data.tx_bytes);
+ if (os_snprintf_error(buflen, ret))
+ return 0;
+ return ret;
+}
+
+
+static int hostapd_get_sta_conn_time(struct sta_info *sta,
+ char *buf, size_t buflen)
+{
+ struct os_reltime age;
+ int ret;
+
+ if (!sta->connected_time.sec)
+ return 0;
+
+ os_reltime_age(&sta->connected_time, &age);
+
+ ret = os_snprintf(buf, buflen, "connected_time=%u\n",
+ (unsigned int) age.sec);
+ if (os_snprintf_error(buflen, ret))
+ return 0;
+ return ret;
+}
+
+
+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";
+ }
+
+ return "?";
+}
static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
{
- int len, res, ret;
+ int len, res, ret, i;
- if (sta == NULL) {
- ret = os_snprintf(buf, buflen, "FAIL\n");
- if (ret < 0 || (size_t) ret >= buflen)
- return 0;
- return ret;
- }
+ if (!sta)
+ return 0;
len = 0;
- ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
+ ret = os_snprintf(buf + len, buflen - len, MACSTR "\nflags=",
MAC2STR(sta->addr));
- if (ret < 0 || (size_t) ret >= buflen - len)
+ 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;
if (res >= 0)
len += res;
+ len += hostapd_get_sta_tx_rx(hapd, sta, buf + len, buflen - len);
+ len += hostapd_get_sta_conn_time(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;
+ }
+#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;
+ }
+
return len;
}
{
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 (ret < 0 || (size_t) ret >= buflen)
+ if (os_snprintf_error(buflen, ret))
return 0;
return ret;
}
- return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
- buf, buflen);
+
+ 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;
}
if (hwaddr_aton(txtaddr, addr) ||
(sta = ap_get_sta(hapd, addr)) == NULL) {
ret = os_snprintf(buf, buflen, "FAIL\n");
- if (ret < 0 || (size_t) ret >= buflen)
+ 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;
+
+ if (hapd->driver->send_frame == NULL)
+ return -1;
+
+ 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(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 = (u8 *) (&mgmt->u.deauth.reason_code + 1);
+ } else {
+ mgmt->u.disassoc.reason_code =
+ host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+ pos = (u8 *) (&mgmt->u.disassoc.reason_code + 1);
+ }
+
+ *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 = hapd->driver->send_frame(hapd->drv_priv, (u8 *) mgmt,
+ pos - (u8 *) mgmt, 1);
+ 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;
+ if (hapd->driver->send_frame == NULL)
+ return -1;
+ 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 (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.deauth),
+ 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 */
+
+ 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;
+ if (hapd->driver->send_frame == NULL)
+ return -1;
+ 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 (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.deauth),
+ 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 */
+
+ 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;
+}
+
+
+int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
+ size_t buflen)
+{
+ struct hostapd_iface *iface = hapd->iface;
+ int len = 0, ret;
+ 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 (!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;
+ unsigned int left_time;
+
+ os_reltime_age(&iface->dfs_cac_start, &now);
+ left_time = iface->dfs_cac_ms / 1000 - now.sec;
+ ret = os_snprintf(buf + len, buflen - len,
+ "cac_time_seconds=%u\n"
+ "cac_time_left_seconds=%u\n",
+ iface->dfs_cac_ms / 1000,
+ left_time);
+ }
+ if (os_snprintf_error(buflen - len, ret))
+ return len;
+ len += ret;
+
+ ret = os_snprintf(buf + len, buflen - len,
+ "channel=%u\n"
+ "secondary_channel=%d\n"
+ "ieee80211n=%d\n"
+ "ieee80211ac=%d\n"
+ "vht_oper_chwidth=%d\n"
+ "vht_oper_centr_freq_seg0_idx=%d\n"
+ "vht_oper_centr_freq_seg1_idx=%d\n",
+ iface->conf->channel,
+ iface->conf->secondary_channel,
+ iface->conf->ieee80211n,
+ iface->conf->ieee80211ac,
+ iface->conf->vht_oper_chwidth,
+ iface->conf->vht_oper_centr_freq_seg0_idx,
+ iface->conf->vht_oper_centr_freq_seg1_idx);
+ if (os_snprintf_error(buflen - len, ret))
+ return len;
+ len += ret;
+
+ 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;
+ }
+
+ 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)
+
+ SET_CSA_SETTING(center_freq1);
+ SET_CSA_SETTING(center_freq2);
+ SET_CSA_SETTING(bandwidth);
+ SET_CSA_SETTING(sec_channel_offset);
+ settings->freq_params.ht_enabled = !!os_strstr(pos, " ht");
+ settings->freq_params.vht_enabled = !!os_strstr(pos, " vht");
+ settings->block_tx = !!os_strstr(pos, " blocktx");
+#undef SET_CSA_SETTING
+
+ return 0;
+}
+
+
+int hostapd_ctrl_iface_stop_ap(struct hostapd_data *hapd)
+{
+ return hostapd_drv_stop_ap(hapd);
+}
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