--- /dev/null
+/*
+ * wlantest control interface
+ * Copyright (c) 2010-2015, 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 <sys/un.h>
+
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/defs.h"
+#include "common/version.h"
+#include "common/ieee802_11_defs.h"
+#include "wlantest.h"
+#include "wlantest_ctrl.h"
+
+
+static u8 * attr_get(u8 *buf, size_t buflen, enum wlantest_ctrl_attr attr,
+ size_t *len)
+{
+ u8 *pos = buf;
+
+ while (pos + 8 <= buf + buflen) {
+ enum wlantest_ctrl_attr a;
+ size_t alen;
+ a = WPA_GET_BE32(pos);
+ pos += 4;
+ alen = WPA_GET_BE32(pos);
+ pos += 4;
+ if (pos + alen > buf + buflen) {
+ wpa_printf(MSG_DEBUG, "Invalid control message "
+ "attribute");
+ return NULL;
+ }
+ if (a == attr) {
+ *len = alen;
+ return pos;
+ }
+ pos += alen;
+ }
+
+ return NULL;
+}
+
+
+static u8 * attr_get_macaddr(u8 *buf, size_t buflen,
+ enum wlantest_ctrl_attr attr)
+{
+ u8 *addr;
+ size_t addr_len;
+ addr = attr_get(buf, buflen, attr, &addr_len);
+ if (addr && addr_len != ETH_ALEN)
+ addr = NULL;
+ return addr;
+}
+
+
+static int attr_get_int(u8 *buf, size_t buflen, enum wlantest_ctrl_attr attr)
+{
+ u8 *pos;
+ size_t len;
+ pos = attr_get(buf, buflen, attr, &len);
+ if (pos == NULL || len != 4)
+ return -1;
+ return WPA_GET_BE32(pos);
+}
+
+
+static u8 * attr_add_str(u8 *pos, u8 *end, enum wlantest_ctrl_attr attr,
+ const char *str)
+{
+ size_t len = os_strlen(str);
+
+ if (pos == NULL || end - pos < 8 + len)
+ return NULL;
+ WPA_PUT_BE32(pos, attr);
+ pos += 4;
+ WPA_PUT_BE32(pos, len);
+ pos += 4;
+ os_memcpy(pos, str, len);
+ pos += len;
+ return pos;
+}
+
+
+static u8 * attr_add_be32(u8 *pos, u8 *end, enum wlantest_ctrl_attr attr,
+ u32 val)
+{
+ if (pos == NULL || end - pos < 12)
+ return NULL;
+ WPA_PUT_BE32(pos, attr);
+ pos += 4;
+ WPA_PUT_BE32(pos, 4);
+ pos += 4;
+ WPA_PUT_BE32(pos, val);
+ pos += 4;
+ return pos;
+}
+
+
+static void ctrl_disconnect(struct wlantest *wt, int sock)
+{
+ int i;
+ wpa_printf(MSG_DEBUG, "Disconnect control interface connection %d",
+ sock);
+ for (i = 0; i < MAX_CTRL_CONNECTIONS; i++) {
+ if (wt->ctrl_socks[i] == sock) {
+ close(wt->ctrl_socks[i]);
+ eloop_unregister_read_sock(wt->ctrl_socks[i]);
+ wt->ctrl_socks[i] = -1;
+ break;
+ }
+ }
+}
+
+
+static void ctrl_send(struct wlantest *wt, int sock, const u8 *buf,
+ size_t len)
+{
+ if (send(sock, buf, len, 0) < 0) {
+ wpa_printf(MSG_INFO, "send(ctrl): %s", strerror(errno));
+ ctrl_disconnect(wt, sock);
+ }
+}
+
+
+static void ctrl_send_simple(struct wlantest *wt, int sock,
+ enum wlantest_ctrl_cmd cmd)
+{
+ u8 buf[4];
+ WPA_PUT_BE32(buf, cmd);
+ ctrl_send(wt, sock, buf, sizeof(buf));
+}
+
+
+static struct wlantest_bss * ctrl_get_bss(struct wlantest *wt, int sock,
+ u8 *cmd, size_t clen)
+{
+ struct wlantest_bss *bss;
+ u8 *pos;
+ size_t len;
+
+ pos = attr_get(cmd, clen, WLANTEST_ATTR_BSSID, &len);
+ if (pos == NULL || len != ETH_ALEN) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return NULL;
+ }
+
+ bss = bss_find(wt, pos);
+ if (bss == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return NULL;
+ }
+
+ return bss;
+}
+
+
+static struct wlantest_sta * ctrl_get_sta(struct wlantest *wt, int sock,
+ u8 *cmd, size_t clen,
+ struct wlantest_bss *bss)
+{
+ struct wlantest_sta *sta;
+ u8 *pos;
+ size_t len;
+
+ if (bss == NULL)
+ return NULL;
+
+ pos = attr_get(cmd, clen, WLANTEST_ATTR_STA_ADDR, &len);
+ if (pos == NULL || len != ETH_ALEN) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return NULL;
+ }
+
+ sta = sta_find(bss, pos);
+ if (sta == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return NULL;
+ }
+
+ return sta;
+}
+
+
+static struct wlantest_sta * ctrl_get_sta2(struct wlantest *wt, int sock,
+ u8 *cmd, size_t clen,
+ struct wlantest_bss *bss)
+{
+ struct wlantest_sta *sta;
+ u8 *pos;
+ size_t len;
+
+ if (bss == NULL)
+ return NULL;
+
+ pos = attr_get(cmd, clen, WLANTEST_ATTR_STA2_ADDR, &len);
+ if (pos == NULL || len != ETH_ALEN) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return NULL;
+ }
+
+ sta = sta_find(bss, pos);
+ if (sta == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return NULL;
+ }
+
+ return sta;
+}
+
+
+static void ctrl_list_bss(struct wlantest *wt, int sock)
+{
+ u8 buf[WLANTEST_CTRL_MAX_RESP_LEN], *pos, *len;
+ struct wlantest_bss *bss;
+
+ pos = buf;
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ WPA_PUT_BE32(pos, WLANTEST_ATTR_BSSID);
+ pos += 4;
+ len = pos; /* to be filled */
+ pos += 4;
+
+ dl_list_for_each(bss, &wt->bss, struct wlantest_bss, list) {
+ if (pos + ETH_ALEN > buf + WLANTEST_CTRL_MAX_RESP_LEN)
+ break;
+ os_memcpy(pos, bss->bssid, ETH_ALEN);
+ pos += ETH_ALEN;
+ }
+
+ WPA_PUT_BE32(len, pos - len - 4);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_list_sta(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 buf[WLANTEST_CTRL_MAX_RESP_LEN], *pos, *len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ if (bss == NULL)
+ return;
+
+ pos = buf;
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ WPA_PUT_BE32(pos, WLANTEST_ATTR_STA_ADDR);
+ pos += 4;
+ len = pos; /* to be filled */
+ pos += 4;
+
+ dl_list_for_each(sta, &bss->sta, struct wlantest_sta, list) {
+ if (pos + ETH_ALEN > buf + WLANTEST_CTRL_MAX_RESP_LEN)
+ break;
+ os_memcpy(pos, sta->addr, ETH_ALEN);
+ pos += ETH_ALEN;
+ }
+
+ WPA_PUT_BE32(len, pos - len - 4);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_flush(struct wlantest *wt, int sock)
+{
+ wpa_printf(MSG_DEBUG, "Drop all collected BSS data");
+ bss_flush(wt);
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void ctrl_clear_sta_counters(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ if (sta == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ os_memset(sta->counters, 0, sizeof(sta->counters));
+ os_memset(sta->tx_tid, 0, sizeof(sta->tx_tid));
+ os_memset(sta->rx_tid, 0, sizeof(sta->rx_tid));
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void ctrl_clear_bss_counters(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ struct wlantest_bss *bss;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ if (bss == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ os_memset(bss->counters, 0, sizeof(bss->counters));
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void ctrl_clear_tdls_counters(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ struct wlantest_sta *sta2;
+ struct wlantest_tdls *tdls;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ sta2 = ctrl_get_sta2(wt, sock, cmd, clen, bss);
+ if (sta == NULL || sta2 == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list) {
+ if ((tdls->init == sta && tdls->resp == sta2) ||
+ (tdls->init == sta2 && tdls->resp == sta))
+ os_memset(tdls->counters, 0, sizeof(tdls->counters));
+ }
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void ctrl_get_sta_counter(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ u32 counter;
+ u8 buf[4 + 12], *end, *pos;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ if (sta == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_STA_COUNTER, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ counter = WPA_GET_BE32(addr);
+ if (counter >= NUM_WLANTEST_STA_COUNTER) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_be32(pos, end, WLANTEST_ATTR_COUNTER,
+ sta->counters[counter]);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_get_bss_counter(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ u32 counter;
+ u8 buf[4 + 12], *end, *pos;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ if (bss == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_BSS_COUNTER, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ counter = WPA_GET_BE32(addr);
+ if (counter >= NUM_WLANTEST_BSS_COUNTER) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_be32(pos, end, WLANTEST_ATTR_COUNTER,
+ bss->counters[counter]);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_get_tdls_counter(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ struct wlantest_sta *sta2;
+ struct wlantest_tdls *tdls;
+ u32 counter;
+ u8 buf[4 + 12], *end, *pos;
+ int found = 0;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ sta2 = ctrl_get_sta2(wt, sock, cmd, clen, bss);
+ if (sta == NULL || sta2 == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_TDLS_COUNTER, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ counter = WPA_GET_BE32(addr);
+ if (counter >= NUM_WLANTEST_TDLS_COUNTER) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list) {
+ if (tdls->init == sta && tdls->resp == sta2) {
+ found = 1;
+ break;
+ }
+ }
+
+ if (!found) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_be32(pos, end, WLANTEST_ATTR_COUNTER,
+ tdls->counters[counter]);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void build_mgmt_hdr(struct ieee80211_mgmt *mgmt,
+ struct wlantest_bss *bss, struct wlantest_sta *sta,
+ int sender_ap, int stype)
+{
+ os_memset(mgmt, 0, 24);
+ mgmt->frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT, stype);
+ if (sender_ap) {
+ if (sta)
+ os_memcpy(mgmt->da, sta->addr, ETH_ALEN);
+ else
+ os_memset(mgmt->da, 0xff, ETH_ALEN);
+ os_memcpy(mgmt->sa, bss->bssid, ETH_ALEN);
+ } else {
+ os_memcpy(mgmt->da, bss->bssid, ETH_ALEN);
+ os_memcpy(mgmt->sa, sta->addr, ETH_ALEN);
+ }
+ os_memcpy(mgmt->bssid, bss->bssid, ETH_ALEN);
+}
+
+
+static int ctrl_inject_auth(struct wlantest *wt, struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ struct ieee80211_mgmt mgmt;
+
+ if (prot != WLANTEST_INJECT_NORMAL &&
+ prot != WLANTEST_INJECT_UNPROTECTED)
+ return -1; /* Authentication frame is never protected */
+ if (sta == NULL)
+ return -1; /* No broadcast Authentication frames */
+
+ if (sender_ap)
+ wpa_printf(MSG_INFO, "INJECT: Auth " MACSTR " -> " MACSTR,
+ MAC2STR(bss->bssid), MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_INFO, "INJECT: Auth " MACSTR " -> " MACSTR,
+ MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ build_mgmt_hdr(&mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_AUTH);
+
+ mgmt.u.auth.auth_alg = host_to_le16(WLAN_AUTH_OPEN);
+ mgmt.u.auth.auth_transaction = host_to_le16(1);
+ mgmt.u.auth.status_code = host_to_le16(WLAN_STATUS_SUCCESS);
+
+ return wlantest_inject(wt, bss, sta, (u8 *) &mgmt, 24 + 6,
+ WLANTEST_INJECT_UNPROTECTED);
+}
+
+
+static int ctrl_inject_assocreq(struct wlantest *wt, struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ u8 *buf;
+ struct ieee80211_mgmt *mgmt;
+ int ret;
+
+ if (prot != WLANTEST_INJECT_NORMAL &&
+ prot != WLANTEST_INJECT_UNPROTECTED)
+ return -1; /* Association Request frame is never protected */
+ if (sta == NULL)
+ return -1; /* No broadcast Association Request frames */
+ if (sender_ap)
+ return -1; /* No Association Request frame sent by AP */
+ if (sta->assocreq_ies == NULL) {
+ wpa_printf(MSG_INFO, "INJECT: No previous (Re)Association "
+ "Request available for " MACSTR,
+ MAC2STR(sta->addr));
+ return -1;
+ }
+
+ wpa_printf(MSG_INFO, "INJECT: AssocReq " MACSTR " -> " MACSTR,
+ MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ buf = os_malloc(sizeof(*mgmt) + sta->assocreq_ies_len);
+ if (buf == NULL)
+ return -1;
+ mgmt = (struct ieee80211_mgmt *) buf;
+
+ build_mgmt_hdr(mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_ASSOC_REQ);
+
+ mgmt->u.assoc_req.capab_info = host_to_le16(sta->assocreq_capab_info);
+ mgmt->u.assoc_req.listen_interval =
+ host_to_le16(sta->assocreq_listen_int);
+ os_memcpy(mgmt->u.assoc_req.variable, sta->assocreq_ies,
+ sta->assocreq_ies_len);
+
+ ret = wlantest_inject(wt, bss, sta, buf,
+ 24 + 4 + sta->assocreq_ies_len,
+ WLANTEST_INJECT_UNPROTECTED);
+ os_free(buf);
+ return ret;
+}
+
+
+static int ctrl_inject_reassocreq(struct wlantest *wt,
+ struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ u8 *buf;
+ struct ieee80211_mgmt *mgmt;
+ int ret;
+
+ if (prot != WLANTEST_INJECT_NORMAL &&
+ prot != WLANTEST_INJECT_UNPROTECTED)
+ return -1; /* Reassociation Request frame is never protected */
+ if (sta == NULL)
+ return -1; /* No broadcast Reassociation Request frames */
+ if (sender_ap)
+ return -1; /* No Reassociation Request frame sent by AP */
+ if (sta->assocreq_ies == NULL) {
+ wpa_printf(MSG_INFO, "INJECT: No previous (Re)Association "
+ "Request available for " MACSTR,
+ MAC2STR(sta->addr));
+ return -1;
+ }
+
+ wpa_printf(MSG_INFO, "INJECT: ReassocReq " MACSTR " -> " MACSTR,
+ MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ buf = os_malloc(sizeof(*mgmt) + sta->assocreq_ies_len);
+ if (buf == NULL)
+ return -1;
+ mgmt = (struct ieee80211_mgmt *) buf;
+
+ build_mgmt_hdr(mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_REASSOC_REQ);
+
+ mgmt->u.reassoc_req.capab_info =
+ host_to_le16(sta->assocreq_capab_info);
+ mgmt->u.reassoc_req.listen_interval =
+ host_to_le16(sta->assocreq_listen_int);
+ os_memcpy(mgmt->u.reassoc_req.current_ap, bss->bssid, ETH_ALEN);
+ os_memcpy(mgmt->u.reassoc_req.variable, sta->assocreq_ies,
+ sta->assocreq_ies_len);
+
+ ret = wlantest_inject(wt, bss, sta, buf,
+ 24 + 10 + sta->assocreq_ies_len,
+ WLANTEST_INJECT_UNPROTECTED);
+ os_free(buf);
+ return ret;
+}
+
+
+static int ctrl_inject_deauth(struct wlantest *wt, struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ struct ieee80211_mgmt mgmt;
+
+ if (sender_ap) {
+ if (sta)
+ wpa_printf(MSG_INFO, "INJECT: Deauth " MACSTR " -> "
+ MACSTR,
+ MAC2STR(bss->bssid), MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_INFO, "INJECT: Deauth " MACSTR
+ " -> broadcast", MAC2STR(bss->bssid));
+ } else
+ wpa_printf(MSG_INFO, "INJECT: Deauth " MACSTR " -> " MACSTR,
+ MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ build_mgmt_hdr(&mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_DEAUTH);
+
+ mgmt.u.deauth.reason_code = host_to_le16(WLAN_REASON_UNSPECIFIED);
+
+ return wlantest_inject(wt, bss, sta, (u8 *) &mgmt, 24 + 2, prot);
+}
+
+
+static int ctrl_inject_disassoc(struct wlantest *wt, struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ struct ieee80211_mgmt mgmt;
+
+ if (sender_ap) {
+ if (sta)
+ wpa_printf(MSG_INFO, "INJECT: Disassoc " MACSTR " -> "
+ MACSTR,
+ MAC2STR(bss->bssid), MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_INFO, "INJECT: Disassoc " MACSTR
+ " -> broadcast", MAC2STR(bss->bssid));
+ } else
+ wpa_printf(MSG_INFO, "INJECT: Disassoc " MACSTR " -> " MACSTR,
+ MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ build_mgmt_hdr(&mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_DISASSOC);
+
+ mgmt.u.disassoc.reason_code = host_to_le16(WLAN_REASON_UNSPECIFIED);
+
+ return wlantest_inject(wt, bss, sta, (u8 *) &mgmt, 24 + 2, prot);
+}
+
+
+static int ctrl_inject_saqueryreq(struct wlantest *wt,
+ struct wlantest_bss *bss,
+ struct wlantest_sta *sta, int sender_ap,
+ enum wlantest_inject_protection prot)
+{
+ struct ieee80211_mgmt mgmt;
+
+ if (sta == NULL)
+ return -1; /* No broadcast SA Query frames */
+
+ if (sender_ap)
+ wpa_printf(MSG_INFO, "INJECT: SA Query Request " MACSTR " -> "
+ MACSTR, MAC2STR(bss->bssid), MAC2STR(sta->addr));
+ else
+ wpa_printf(MSG_INFO, "INJECT: SA Query Request " MACSTR " -> "
+ MACSTR, MAC2STR(sta->addr), MAC2STR(bss->bssid));
+ build_mgmt_hdr(&mgmt, bss, sta, sender_ap, WLAN_FC_STYPE_ACTION);
+
+ mgmt.u.action.category = WLAN_ACTION_SA_QUERY;
+ mgmt.u.action.u.sa_query_req.action = WLAN_SA_QUERY_REQUEST;
+ mgmt.u.action.u.sa_query_req.trans_id[0] = 0x12;
+ mgmt.u.action.u.sa_query_req.trans_id[1] = 0x34;
+ os_memcpy(sender_ap ? sta->ap_sa_query_tr : sta->sta_sa_query_tr,
+ mgmt.u.action.u.sa_query_req.trans_id,
+ WLAN_SA_QUERY_TR_ID_LEN);
+ return wlantest_inject(wt, bss, sta, (u8 *) &mgmt, 24 + 4, prot);
+}
+
+
+static void ctrl_inject(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 *bssid, *sta_addr;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ int frame, sender_ap, prot;
+ int ret = 0;
+
+ bssid = attr_get_macaddr(cmd, clen, WLANTEST_ATTR_BSSID);
+ sta_addr = attr_get_macaddr(cmd, clen, WLANTEST_ATTR_STA_ADDR);
+ frame = attr_get_int(cmd, clen, WLANTEST_ATTR_INJECT_FRAME);
+ sender_ap = attr_get_int(cmd, clen, WLANTEST_ATTR_INJECT_SENDER_AP);
+ if (sender_ap < 0)
+ sender_ap = 0;
+ prot = attr_get_int(cmd, clen, WLANTEST_ATTR_INJECT_PROTECTION);
+ if (bssid == NULL || sta_addr == NULL || frame < 0 || prot < 0) {
+ wpa_printf(MSG_INFO, "Invalid inject command parameters");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ bss = bss_find(wt, bssid);
+ if (bss == NULL) {
+ wpa_printf(MSG_INFO, "BSS not found for inject command");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ if (is_broadcast_ether_addr(sta_addr)) {
+ if (!sender_ap) {
+ wpa_printf(MSG_INFO, "Invalid broadcast inject "
+ "command without sender_ap set");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ } sta = NULL;
+ } else {
+ sta = sta_find(bss, sta_addr);
+ if (sta == NULL) {
+ wpa_printf(MSG_INFO, "Station not found for inject "
+ "command");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+ }
+
+ switch (frame) {
+ case WLANTEST_FRAME_AUTH:
+ ret = ctrl_inject_auth(wt, bss, sta, sender_ap, prot);
+ break;
+ case WLANTEST_FRAME_ASSOCREQ:
+ ret = ctrl_inject_assocreq(wt, bss, sta, sender_ap, prot);
+ break;
+ case WLANTEST_FRAME_REASSOCREQ:
+ ret = ctrl_inject_reassocreq(wt, bss, sta, sender_ap, prot);
+ break;
+ case WLANTEST_FRAME_DEAUTH:
+ ret = ctrl_inject_deauth(wt, bss, sta, sender_ap, prot);
+ break;
+ case WLANTEST_FRAME_DISASSOC:
+ ret = ctrl_inject_disassoc(wt, bss, sta, sender_ap, prot);
+ break;
+ case WLANTEST_FRAME_SAQUERYREQ:
+ ret = ctrl_inject_saqueryreq(wt, bss, sta, sender_ap, prot);
+ break;
+ default:
+ wpa_printf(MSG_INFO, "Unsupported inject command frame %d",
+ frame);
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ if (ret)
+ wpa_printf(MSG_INFO, "Failed to inject frame");
+ else
+ wpa_printf(MSG_INFO, "Frame injected successfully");
+ ctrl_send_simple(wt, sock, ret == 0 ? WLANTEST_CTRL_SUCCESS :
+ WLANTEST_CTRL_FAILURE);
+}
+
+
+static void ctrl_version(struct wlantest *wt, int sock)
+{
+ u8 buf[WLANTEST_CTRL_MAX_RESP_LEN], *pos;
+
+ pos = buf;
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_str(pos, buf + sizeof(buf), WLANTEST_ATTR_VERSION,
+ VERSION_STR);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_add_passphrase(struct wlantest *wt, int sock, u8 *cmd,
+ size_t clen)
+{
+ u8 *passphrase;
+ size_t len;
+ struct wlantest_passphrase *p, *pa;
+ u8 *bssid;
+
+ passphrase = attr_get(cmd, clen, WLANTEST_ATTR_PASSPHRASE, &len);
+ if (passphrase == NULL) {
+ u8 *wepkey;
+ char *key;
+ enum wlantest_ctrl_cmd res;
+
+ wepkey = attr_get(cmd, clen, WLANTEST_ATTR_WEPKEY, &len);
+ if (wepkey == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ key = os_zalloc(len + 1);
+ if (key == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+ os_memcpy(key, wepkey, len);
+ if (add_wep(wt, key) < 0)
+ res = WLANTEST_CTRL_FAILURE;
+ else
+ res = WLANTEST_CTRL_SUCCESS;
+ os_free(key);
+ ctrl_send_simple(wt, sock, res);
+ return;
+ }
+
+ if (len < 8 || len > 63) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ p = os_zalloc(sizeof(*p));
+ if (p == NULL) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+ os_memcpy(p->passphrase, passphrase, len);
+ wpa_printf(MSG_INFO, "Add passphrase '%s'", p->passphrase);
+
+ bssid = attr_get_macaddr(cmd, clen, WLANTEST_ATTR_BSSID);
+ if (bssid) {
+ os_memcpy(p->bssid, bssid, ETH_ALEN);
+ wpa_printf(MSG_INFO, "Limit passphrase for BSSID " MACSTR,
+ MAC2STR(p->bssid));
+ }
+
+ dl_list_for_each(pa, &wt->passphrase, struct wlantest_passphrase, list)
+ {
+ if (os_strcmp(p->passphrase, pa->passphrase) == 0 &&
+ os_memcmp(p->bssid, pa->bssid, ETH_ALEN) == 0) {
+ wpa_printf(MSG_INFO, "Passphrase was already known");
+ os_free(p);
+ p = NULL;
+ break;
+ }
+ }
+
+ if (p) {
+ struct wlantest_bss *bss;
+ dl_list_add(&wt->passphrase, &p->list);
+ dl_list_for_each(bss, &wt->bss, struct wlantest_bss, list) {
+ if (bssid &&
+ os_memcmp(p->bssid, bss->bssid, ETH_ALEN) != 0)
+ continue;
+ bss_add_pmk_from_passphrase(bss, p->passphrase);
+ }
+ }
+
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void info_print_proto(char *buf, size_t len, int proto)
+{
+ char *pos, *end;
+
+ if (proto == 0) {
+ os_snprintf(buf, len, "OPEN");
+ return;
+ }
+
+ pos = buf;
+ end = buf + len;
+
+ if (proto & WPA_PROTO_WPA)
+ pos += os_snprintf(pos, end - pos, "%sWPA",
+ pos == buf ? "" : " ");
+ if (proto & WPA_PROTO_RSN)
+ pos += os_snprintf(pos, end - pos, "%sWPA2",
+ pos == buf ? "" : " ");
+}
+
+
+static void info_print_cipher(char *buf, size_t len, int cipher)
+{
+ char *pos, *end;
+
+ if (cipher == 0) {
+ os_snprintf(buf, len, "N/A");
+ return;
+ }
+
+ pos = buf;
+ end = buf + len;
+
+ if (cipher & WPA_CIPHER_NONE)
+ pos += os_snprintf(pos, end - pos, "%sNONE",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_WEP40)
+ pos += os_snprintf(pos, end - pos, "%sWEP40",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_WEP104)
+ pos += os_snprintf(pos, end - pos, "%sWEP104",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_TKIP)
+ pos += os_snprintf(pos, end - pos, "%sTKIP",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_CCMP)
+ pos += os_snprintf(pos, end - pos, "%sCCMP",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_AES_128_CMAC)
+ pos += os_snprintf(pos, end - pos, "%sBIP",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_BIP_GMAC_128)
+ pos += os_snprintf(pos, end - pos, "%sBIP-GMAC-128",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_BIP_GMAC_256)
+ pos += os_snprintf(pos, end - pos, "%sBIP-GMAC-256",
+ pos == buf ? "" : " ");
+ if (cipher & WPA_CIPHER_BIP_CMAC_256)
+ pos += os_snprintf(pos, end - pos, "%sBIP-CMAC-256",
+ pos == buf ? "" : " ");
+}
+
+
+static void info_print_key_mgmt(char *buf, size_t len, int key_mgmt)
+{
+ char *pos, *end;
+
+ if (key_mgmt == 0) {
+ os_snprintf(buf, len, "N/A");
+ return;
+ }
+
+ pos = buf;
+ end = buf + len;
+
+ if (key_mgmt & WPA_KEY_MGMT_IEEE8021X)
+ pos += os_snprintf(pos, end - pos, "%sEAP",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_PSK)
+ pos += os_snprintf(pos, end - pos, "%sPSK",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_WPA_NONE)
+ pos += os_snprintf(pos, end - pos, "%sWPA-NONE",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X)
+ pos += os_snprintf(pos, end - pos, "%sFT-EAP",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_FT_PSK)
+ pos += os_snprintf(pos, end - pos, "%sFT-PSK",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256)
+ pos += os_snprintf(pos, end - pos, "%sEAP-SHA256",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_PSK_SHA256)
+ pos += os_snprintf(pos, end - pos, "%sPSK-SHA256",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B)
+ pos += os_snprintf(pos, end - pos, "%sEAP-SUITE-B",
+ pos == buf ? "" : " ");
+ if (key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B_192)
+ pos += os_snprintf(pos, end - pos, "%sEAP-SUITE-B-192",
+ pos == buf ? "" : " ");
+}
+
+
+static void info_print_rsn_capab(char *buf, size_t len, int capab)
+{
+ char *pos, *end;
+
+ pos = buf;
+ end = buf + len;
+
+ if (capab & WPA_CAPABILITY_PREAUTH)
+ pos += os_snprintf(pos, end - pos, "%sPREAUTH",
+ pos == buf ? "" : " ");
+ if (capab & WPA_CAPABILITY_NO_PAIRWISE)
+ pos += os_snprintf(pos, end - pos, "%sNO_PAIRWISE",
+ pos == buf ? "" : " ");
+ if (capab & WPA_CAPABILITY_MFPR)
+ pos += os_snprintf(pos, end - pos, "%sMFPR",
+ pos == buf ? "" : " ");
+ if (capab & WPA_CAPABILITY_MFPC)
+ pos += os_snprintf(pos, end - pos, "%sMFPC",
+ pos == buf ? "" : " ");
+ if (capab & WPA_CAPABILITY_PEERKEY_ENABLED)
+ pos += os_snprintf(pos, end - pos, "%sPEERKEY",
+ pos == buf ? "" : " ");
+}
+
+
+static void info_print_state(char *buf, size_t len, int state)
+{
+ switch (state) {
+ case STATE1:
+ os_strlcpy(buf, "NOT-AUTH", len);
+ break;
+ case STATE2:
+ os_strlcpy(buf, "AUTH", len);
+ break;
+ case STATE3:
+ os_strlcpy(buf, "AUTH+ASSOC", len);
+ break;
+ }
+}
+
+
+static void info_print_gtk(char *buf, size_t len, struct wlantest_sta *sta)
+{
+ size_t pos;
+
+ pos = os_snprintf(buf, len, "IDX=%d,GTK=", sta->gtk_idx);
+ wpa_snprintf_hex(buf + pos, len - pos, sta->gtk, sta->gtk_len);
+}
+
+
+static void ctrl_info_sta(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ enum wlantest_sta_info info;
+ u8 buf[4 + 108], *end, *pos;
+ char resp[100];
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ if (sta == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_STA_INFO, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ info = WPA_GET_BE32(addr);
+
+ resp[0] = '\0';
+ switch (info) {
+ case WLANTEST_STA_INFO_PROTO:
+ info_print_proto(resp, sizeof(resp), sta->proto);
+ break;
+ case WLANTEST_STA_INFO_PAIRWISE:
+ info_print_cipher(resp, sizeof(resp), sta->pairwise_cipher);
+ break;
+ case WLANTEST_STA_INFO_KEY_MGMT:
+ info_print_key_mgmt(resp, sizeof(resp), sta->key_mgmt);
+ break;
+ case WLANTEST_STA_INFO_RSN_CAPAB:
+ info_print_rsn_capab(resp, sizeof(resp), sta->rsn_capab);
+ break;
+ case WLANTEST_STA_INFO_STATE:
+ info_print_state(resp, sizeof(resp), sta->state);
+ break;
+ case WLANTEST_STA_INFO_GTK:
+ info_print_gtk(resp, sizeof(resp), sta);
+ break;
+ default:
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_str(pos, end, WLANTEST_ATTR_INFO, resp);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_info_bss(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ enum wlantest_bss_info info;
+ u8 buf[4 + 108], *end, *pos;
+ char resp[100];
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ if (bss == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_BSS_INFO, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ info = WPA_GET_BE32(addr);
+
+ resp[0] = '\0';
+ switch (info) {
+ case WLANTEST_BSS_INFO_PROTO:
+ info_print_proto(resp, sizeof(resp), bss->proto);
+ break;
+ case WLANTEST_BSS_INFO_PAIRWISE:
+ info_print_cipher(resp, sizeof(resp), bss->pairwise_cipher);
+ break;
+ case WLANTEST_BSS_INFO_GROUP:
+ info_print_cipher(resp, sizeof(resp), bss->group_cipher);
+ break;
+ case WLANTEST_BSS_INFO_GROUP_MGMT:
+ info_print_cipher(resp, sizeof(resp), bss->mgmt_group_cipher);
+ break;
+ case WLANTEST_BSS_INFO_KEY_MGMT:
+ info_print_key_mgmt(resp, sizeof(resp), bss->key_mgmt);
+ break;
+ case WLANTEST_BSS_INFO_RSN_CAPAB:
+ info_print_rsn_capab(resp, sizeof(resp), bss->rsn_capab);
+ break;
+ default:
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_str(pos, end, WLANTEST_ATTR_INFO, resp);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_send_(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ u8 *bssid, *sta_addr;
+ int prot;
+ u8 *frame;
+ size_t frame_len;
+ int ret = 0;
+ struct ieee80211_hdr *hdr;
+ u16 fc;
+
+ frame = attr_get(cmd, clen, WLANTEST_ATTR_FRAME, &frame_len);
+ prot = attr_get_int(cmd, clen, WLANTEST_ATTR_INJECT_PROTECTION);
+ if (frame == NULL || frame_len < 24 || prot < 0) {
+ wpa_printf(MSG_INFO, "Invalid send command parameters");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ hdr = (struct ieee80211_hdr *) frame;
+ fc = le_to_host16(hdr->frame_control);
+ switch (WLAN_FC_GET_TYPE(fc)) {
+ case WLAN_FC_TYPE_MGMT:
+ bssid = hdr->addr3;
+ if (os_memcmp(hdr->addr2, hdr->addr3, ETH_ALEN) == 0)
+ sta_addr = hdr->addr1;
+ else
+ sta_addr = hdr->addr2;
+ break;
+ case WLAN_FC_TYPE_DATA:
+ switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
+ case 0:
+ bssid = hdr->addr3;
+ sta_addr = hdr->addr2;
+ break;
+ case WLAN_FC_TODS:
+ bssid = hdr->addr1;
+ sta_addr = hdr->addr2;
+ break;
+ case WLAN_FC_FROMDS:
+ bssid = hdr->addr2;
+ sta_addr = hdr->addr1;
+ break;
+ default:
+ wpa_printf(MSG_INFO, "Unsupported inject frame");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+ break;
+ default:
+ wpa_printf(MSG_INFO, "Unsupported inject frame");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ bss = bss_find(wt, bssid);
+ if (bss == NULL && prot != WLANTEST_INJECT_UNPROTECTED) {
+ wpa_printf(MSG_INFO, "Unknown BSSID");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ if (bss)
+ sta = sta_find(bss, sta_addr);
+ else
+ sta = NULL;
+ if (sta == NULL && prot != WLANTEST_INJECT_UNPROTECTED) {
+ wpa_printf(MSG_INFO, "Unknown STA address");
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_FAILURE);
+ return;
+ }
+
+ ret = wlantest_inject(wt, bss, sta, frame, frame_len, prot);
+
+ if (ret)
+ wpa_printf(MSG_INFO, "Failed to inject frame");
+ else
+ wpa_printf(MSG_INFO, "Frame injected successfully");
+ ctrl_send_simple(wt, sock, ret == 0 ? WLANTEST_CTRL_SUCCESS :
+ WLANTEST_CTRL_FAILURE);
+}
+
+
+static void ctrl_relog(struct wlantest *wt, int sock)
+{
+ int res = wlantest_relog(wt);
+ ctrl_send_simple(wt, sock, res ? WLANTEST_CTRL_FAILURE :
+ WLANTEST_CTRL_SUCCESS);
+}
+
+
+static void ctrl_get_tx_tid(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ u32 counter;
+ u8 buf[4 + 12], *end, *pos;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ if (sta == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_TID, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ counter = WPA_GET_BE32(addr);
+ if (counter >= 16 + 1) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_be32(pos, end, WLANTEST_ATTR_COUNTER,
+ sta->tx_tid[counter]);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_get_rx_tid(struct wlantest *wt, int sock, u8 *cmd, size_t clen)
+{
+ u8 *addr;
+ size_t addr_len;
+ struct wlantest_bss *bss;
+ struct wlantest_sta *sta;
+ u32 counter;
+ u8 buf[4 + 12], *end, *pos;
+
+ bss = ctrl_get_bss(wt, sock, cmd, clen);
+ sta = ctrl_get_sta(wt, sock, cmd, clen, bss);
+ if (sta == NULL)
+ return;
+
+ addr = attr_get(cmd, clen, WLANTEST_ATTR_TID, &addr_len);
+ if (addr == NULL || addr_len != 4) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+ counter = WPA_GET_BE32(addr);
+ if (counter >= 16 + 1) {
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_INVALID_CMD);
+ return;
+ }
+
+ pos = buf;
+ end = buf + sizeof(buf);
+ WPA_PUT_BE32(pos, WLANTEST_CTRL_SUCCESS);
+ pos += 4;
+ pos = attr_add_be32(pos, end, WLANTEST_ATTR_COUNTER,
+ sta->rx_tid[counter]);
+ ctrl_send(wt, sock, buf, pos - buf);
+}
+
+
+static void ctrl_read(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct wlantest *wt = eloop_ctx;
+ u8 buf[WLANTEST_CTRL_MAX_CMD_LEN];
+ int len;
+ enum wlantest_ctrl_cmd cmd;
+
+ wpa_printf(MSG_EXCESSIVE, "New control interface message from %d",
+ sock);
+ len = recv(sock, buf, sizeof(buf), 0);
+ if (len < 0) {
+ wpa_printf(MSG_INFO, "recv(ctrl): %s", strerror(errno));
+ ctrl_disconnect(wt, sock);
+ return;
+ }
+ if (len == 0) {
+ ctrl_disconnect(wt, sock);
+ return;
+ }
+
+ if (len < 4) {
+ wpa_printf(MSG_INFO, "Too short control interface command "
+ "from %d", sock);
+ ctrl_disconnect(wt, sock);
+ return;
+ }
+ cmd = WPA_GET_BE32(buf);
+ wpa_printf(MSG_EXCESSIVE, "Control interface command %d from %d",
+ cmd, sock);
+
+ switch (cmd) {
+ case WLANTEST_CTRL_PING:
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+ break;
+ case WLANTEST_CTRL_TERMINATE:
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_SUCCESS);
+ eloop_terminate();
+ break;
+ case WLANTEST_CTRL_LIST_BSS:
+ ctrl_list_bss(wt, sock);
+ break;
+ case WLANTEST_CTRL_LIST_STA:
+ ctrl_list_sta(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_FLUSH:
+ ctrl_flush(wt, sock);
+ break;
+ case WLANTEST_CTRL_CLEAR_STA_COUNTERS:
+ ctrl_clear_sta_counters(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_CLEAR_BSS_COUNTERS:
+ ctrl_clear_bss_counters(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_CLEAR_TDLS_COUNTERS:
+ ctrl_clear_tdls_counters(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_GET_STA_COUNTER:
+ ctrl_get_sta_counter(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_GET_BSS_COUNTER:
+ ctrl_get_bss_counter(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_GET_TDLS_COUNTER:
+ ctrl_get_tdls_counter(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_INJECT:
+ ctrl_inject(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_VERSION:
+ ctrl_version(wt, sock);
+ break;
+ case WLANTEST_CTRL_ADD_PASSPHRASE:
+ ctrl_add_passphrase(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_INFO_STA:
+ ctrl_info_sta(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_INFO_BSS:
+ ctrl_info_bss(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_SEND:
+ ctrl_send_(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_RELOG:
+ ctrl_relog(wt, sock);
+ break;
+ case WLANTEST_CTRL_GET_TX_TID:
+ ctrl_get_tx_tid(wt, sock, buf + 4, len - 4);
+ break;
+ case WLANTEST_CTRL_GET_RX_TID:
+ ctrl_get_rx_tid(wt, sock, buf + 4, len - 4);
+ break;
+ default:
+ ctrl_send_simple(wt, sock, WLANTEST_CTRL_UNKNOWN_CMD);
+ break;
+ }
+}
+
+
+static void ctrl_connect(int sock, void *eloop_ctx, void *sock_ctx)
+{
+ struct wlantest *wt = eloop_ctx;
+ int conn, i;
+
+ conn = accept(sock, NULL, NULL);
+ if (conn < 0) {
+ wpa_printf(MSG_INFO, "accept(ctrl): %s", strerror(errno));
+ return;
+ }
+ wpa_printf(MSG_MSGDUMP, "New control interface connection %d", conn);
+
+ for (i = 0; i < MAX_CTRL_CONNECTIONS; i++) {
+ if (wt->ctrl_socks[i] < 0)
+ break;
+ }
+
+ if (i == MAX_CTRL_CONNECTIONS) {
+ wpa_printf(MSG_INFO, "No room for new control connection");
+ close(conn);
+ return;
+ }
+
+ wt->ctrl_socks[i] = conn;
+ eloop_register_read_sock(conn, ctrl_read, wt, NULL);
+}
+
+
+int ctrl_init(struct wlantest *wt)
+{
+ struct sockaddr_un addr;
+
+ wt->ctrl_sock = socket(AF_UNIX, SOCK_SEQPACKET, 0);
+ if (wt->ctrl_sock < 0) {
+ wpa_printf(MSG_ERROR, "socket: %s", strerror(errno));
+ return -1;
+ }
+
+ os_memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ os_strlcpy(addr.sun_path + 1, WLANTEST_SOCK_NAME,
+ sizeof(addr.sun_path) - 1);
+ if (bind(wt->ctrl_sock, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ wpa_printf(MSG_ERROR, "bind: %s", strerror(errno));
+ close(wt->ctrl_sock);
+ wt->ctrl_sock = -1;
+ return -1;
+ }
+
+ if (listen(wt->ctrl_sock, 5) < 0) {
+ wpa_printf(MSG_ERROR, "listen: %s", strerror(errno));
+ close(wt->ctrl_sock);
+ wt->ctrl_sock = -1;
+ return -1;
+ }
+
+ if (eloop_register_read_sock(wt->ctrl_sock, ctrl_connect, wt, NULL)) {
+ close(wt->ctrl_sock);
+ wt->ctrl_sock = -1;
+ return -1;
+ }
+
+ return 0;
+}
+
+
+void ctrl_deinit(struct wlantest *wt)
+{
+ int i;
+
+ if (wt->ctrl_sock < 0)
+ return;
+
+ for (i = 0; i < MAX_CTRL_CONNECTIONS; i++) {
+ if (wt->ctrl_socks[i] >= 0) {
+ close(wt->ctrl_socks[i]);
+ eloop_unregister_read_sock(wt->ctrl_socks[i]);
+ wt->ctrl_socks[i] = -1;
+ }
+ }
+
+ eloop_unregister_read_sock(wt->ctrl_sock);
+ close(wt->ctrl_sock);
+ wt->ctrl_sock = -1;
+}
projects / mech_eap.git / blobdiff