/*
* hostapd / UNIX domain socket -based control interface
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2009, 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
* See README and COPYING for more details.
*/
-#include "includes.h"
+#include "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS
#include <sys/stat.h>
#include <stddef.h>
-#include "common.h"
-#include "eloop.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
#include "drivers/driver.h"
#include "radius/radius_client.h"
#include "ap/hostapd.h"
-#include "ap/config.h"
+#include "ap/ap_config.h"
#include "ap/ieee802_1x.h"
-#include "ap/wpa.h"
+#include "ap/wpa_auth.h"
#include "ap/ieee802_11.h"
#include "ap/sta_info.h"
#include "ap/accounting.h"
#include "ap/wps_hostapd.h"
#include "ap/ctrl_iface_ap.h"
+#include "wps/wps_defs.h"
+#include "wps/wps.h"
#include "ctrl_iface.h"
}
+#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;
+
+ wpa_printf(MSG_DEBUG, "P2P: Disconnect STA " MACSTR " with minor "
+ "reason code %u (stype=%u)",
+ MAC2STR(addr), minor_reason_code, stype);
+
+ mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
+ 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_BE24(pos, OUI_WFA);
+ pos += 3;
+ *pos++ = P2P_OUI_TYPE;
+
+ *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 */
+
+
+static int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
+ const char *txtaddr)
+{
+ u8 addr[ETH_ALEN];
+ struct sta_info *sta;
+ const char *pos;
+
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s", txtaddr);
+
+ if (hwaddr_aton(txtaddr, addr))
+ return -1;
+
+ 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(WLAN_REASON_PREV_AUTH_NOT_VALID);
+ 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 */
+
+ hapd->drv.sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ ap_sta_deauthenticate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+
+ return 0;
+}
+
+
+static int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
+ const char *txtaddr)
+{
+ u8 addr[ETH_ALEN];
+ struct sta_info *sta;
+ const char *pos;
+
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s", txtaddr);
+
+ if (hwaddr_aton(txtaddr, addr))
+ return -1;
+
+ 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(WLAN_REASON_PREV_AUTH_NOT_VALID);
+ 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 */
+
+ hapd->drv.sta_disassoc(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ ap_sta_disassociate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+
+ return 0;
+}
+
+
#ifdef CONFIG_IEEE80211W
#ifdef NEED_AP_MLME
static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
- if (hwaddr_aton(txtaddr, addr))
+ if (hwaddr_aton(txtaddr, addr) ||
+ os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
return -1;
- os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
ieee802_11_send_sa_query_req(hapd, addr, trans_id);
return 0;
char *pin = os_strchr(txt, ' ');
char *timeout_txt;
int timeout;
+ u8 addr_buf[ETH_ALEN], *addr = NULL;
+ char *pos;
if (pin == NULL)
return -1;
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, txt, pin, timeout);
+ 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 (ret < 0 || (size_t) ret >= buflen)
+ return -1;
+ return ret;
+ }
+ }
+
+ ret = os_snprintf(buf, buflen, "%s", pin);
+ if (ret < 0 || (size_t) ret >= buflen)
+ return -1;
+
+ return ret;
}
return hostapd_wps_start_oob(hapd, txt, path, method, name);
}
#endif /* CONFIG_WPS_OOB */
+
+
+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;
+}
#endif /* CONFIG_WPS */
+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),
+ hapd->conf->ssid.ssid);
+ if (ret < 0 || ret >= end - pos)
+ 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+
+ if (hapd->conf->wps_state &&
+ hapd->conf->ssid.wpa_passphrase) {
+ ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
+ hapd->conf->ssid.wpa_passphrase);
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+
+ if (hapd->conf->wps_state && 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+#endif /* CONFIG_WPS */
+
+ if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
+ ret = os_snprintf(pos, end - pos, "key_mgmt=");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+
+ if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
+ ret = os_snprintf(pos, end - pos, "WPA-PSK ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+ if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
+ ret = os_snprintf(pos, end - pos, "WPA-EAP ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+#ifdef CONFIG_IEEE80211R
+ if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
+ ret = os_snprintf(pos, end - pos, "FT-PSK ");
+ if (ret < 0 || ret >= end - pos)
+ 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+#endif /* CONFIG_IEEE80211R */
+#ifdef CONFIG_IEEE80211W
+ if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
+ ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
+ if (ret < 0 || ret >= end - pos)
+ 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+#endif /* CONFIG_IEEE80211W */
+
+ ret = os_snprintf(pos, end - pos, "\n");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+
+ if (hapd->conf->wpa_group == WPA_CIPHER_CCMP) {
+ ret = os_snprintf(pos, end - pos, "group_cipher=CCMP\n");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ } else if (hapd->conf->wpa_group == WPA_CIPHER_TKIP) {
+ ret = os_snprintf(pos, end - pos, "group_cipher=TKIP\n");
+ if (ret < 0 || ret >= end - pos)
+ 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+
+ if (hapd->conf->rsn_pairwise & WPA_CIPHER_CCMP) {
+ ret = os_snprintf(pos, end - pos, "CCMP ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+ if (hapd->conf->rsn_pairwise & WPA_CIPHER_TKIP) {
+ ret = os_snprintf(pos, end - pos, "TKIP ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+
+ ret = os_snprintf(pos, end - pos, "\n");
+ if (ret < 0 || ret >= end - pos)
+ 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 (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+
+ if (hapd->conf->wpa_pairwise & WPA_CIPHER_CCMP) {
+ ret = os_snprintf(pos, end - pos, "CCMP ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+ if (hapd->conf->wpa_pairwise & WPA_CIPHER_TKIP) {
+ ret = os_snprintf(pos, end - pos, "TKIP ");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+
+ ret = os_snprintf(pos, end - pos, "\n");
+ if (ret < 0 || ret >= end - pos)
+ return pos - buf;
+ pos += ret;
+ }
+
+ return pos - buf;
+}
+
+
+static int hostapd_ctrl_iface_set(struct hostapd_data *wpa_s, 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);
+ }
+ } 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);
+#endif /* CONFIG_WPS_TESTING */
+ } else {
+ ret = -1;
+ }
+
+ return ret;
+}
+
+
static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
void *sock_ctx)
{
} else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
reply_len = -1;
+ } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
+ if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
+ reply_len = -1;
+ } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
+ if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
+ reply_len = -1;
#ifdef CONFIG_IEEE80211W
#ifdef NEED_AP_MLME
} else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
reply_len = -1;
+ } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
+ reply_len = hostapd_ctrl_iface_wps_check_pin(
+ hapd, buf + 14, reply, reply_size);
} else if (os_strcmp(buf, "WPS_PBC") == 0) {
if (hostapd_wps_button_pushed(hapd))
reply_len = -1;
if (hostapd_ctrl_iface_wps_oob(hapd, buf + 8))
reply_len = -1;
#endif /* CONFIG_WPS_OOB */
+ } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
+ reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
+ reply, reply_size);
#endif /* CONFIG_WPS */
+ } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
+ reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
+ reply_size);
+ } else if (os_strncmp(buf, "SET ", 4) == 0) {
+ if (hostapd_ctrl_iface_set(hapd, buf + 4))
+ reply_len = -1;
} else {
os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
reply_len = 16;
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