Imported Upstream version 2.6

1 files changed, 699 insertions, 161 deletions

diff --git a/hostapd/ctrl_iface.c b/hostapd/ctrl_iface.c
index cb6fb17..d7db4a7 100644
--- a/hostapd/ctrl_iface.c
+++ b/hostapd/ctrl_iface.c
@@ -19,10 +19,16 @@
 #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"
 #include "crypto/tls.h"
 #include "drivers/driver.h"
 #include "eapol_auth/eapol_auth_sm.h"
@@ -42,6 +48,8 @@
 #include "ap/wnm_ap.h"
 #include "ap/wpa_auth.h"
 #include "ap/beacon.h"
+#include "ap/neighbor_db.h"
+#include "ap/rrm.h"
 #include "wps/wps_defs.h"
 #include "wps/wps.h"
 #include "fst/fst_ctrl_iface.h"
@@ -51,14 +59,15 @@
 
 #define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256
 
-struct wpa_ctrl_dst {
-	struct wpa_ctrl_dst *next;
-	struct sockaddr_un addr;
-	socklen_t addrlen;
-	int debug_level;
-	int errors;
-};
-
+#ifdef CONFIG_CTRL_IFACE_UDP
+#define COOKIE_LEN 8
+static unsigned char cookie[COOKIE_LEN];
+static unsigned char gcookie[COOKIE_LEN];
+#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,
@@ -66,81 +75,27 @@ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 
 
 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
+				     struct sockaddr_storage *from,
 				     socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst;
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dst->next = hapd->ctrl_dst;
-	hapd->ctrl_dst = dst;
-	wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
-		    (u8 *) from->sun_path,
-		    fromlen - offsetof(struct sockaddr_un, sun_path));
-	return 0;
+	return ctrl_iface_attach(&hapd->ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
-				     struct sockaddr_un *from,
+				     struct sockaddr_storage *from,
 				     socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst, *prev = NULL;
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
-				    (u8 *) from->sun_path,
-				    fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			if (prev == NULL)
-				hapd->ctrl_dst = dst->next;
-			else
-				prev->next = dst->next;
-			os_free(dst);
-			return 0;
-		}
-		prev = dst;
-		dst = dst->next;
-	}
-	return -1;
+	return ctrl_iface_detach(&hapd->ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
-				    struct sockaddr_un *from,
+				    struct sockaddr_storage *from,
 				    socklen_t fromlen,
 				    char *level)
 {
-	struct wpa_ctrl_dst *dst;
-
-	wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
-
-	dst = hapd->ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
-				    "level", (u8 *) from->sun_path, fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			dst->debug_level = atoi(level);
-			return 0;
-		}
-		dst = dst->next;
-	}
-
-	return -1;
+	return ctrl_iface_level(&hapd->ctrl_dst, from, fromlen, level);
 }
 
 
@@ -884,6 +839,8 @@ static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
 	int ret;
 	u8 nei_rep[1000];
 	u8 *nei_pos = nei_rep;
+	u8 mbo[10];
+	size_t mbo_len = 0;
 
 	if (hwaddr_aton(cmd, addr)) {
 		wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
@@ -1049,10 +1006,66 @@ static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
 	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>");
+			return -1;
+		}
+
+		if (mbo_reason > MBO_TRANSITION_REASON_PREMIUM_AP) {
+			wpa_printf(MSG_DEBUG,
+				   "Invalid MBO transition reason code %u",
+				   mbo_reason);
+			return -1;
+		}
+
+		/* 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);
+			return -1;
+		}
+
+		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");
+			return -1;
+		}
+
+		*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_pos > nei_rep ? nei_rep : NULL,
-				  nei_pos - nei_rep);
+				  nei_pos - nei_rep, mbo_len ? mbo : NULL,
+				  mbo_len);
 	os_free(url);
 	return ret;
 }
@@ -1320,9 +1333,28 @@ static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
 	} else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
 		hapd->ext_eapol_frame_io = atoi(value);
 #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 */
 	} else {
 		struct sta_info *sta;
-		int vlan_id;
+		struct vlan_description vlan_id;
 
 		ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
 		if (ret)
@@ -1334,7 +1366,8 @@ static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
 					    hapd->conf->deny_mac,
 					    hapd->conf->num_deny_mac, sta->addr,
 					    &vlan_id) &&
-				    (!vlan_id || vlan_id == sta->vlan_id))
+				    (!vlan_id.notempty ||
+				     !vlan_compare(&vlan_id, sta->vlan_desc)))
 					ap_sta_disconnect(
 						hapd, sta, sta->addr,
 						WLAN_REASON_UNSPECIFIED);
@@ -1346,7 +1379,8 @@ static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
 					    hapd->conf->accept_mac,
 					    hapd->conf->num_accept_mac,
 					    sta->addr, &vlan_id) ||
-				    (vlan_id && vlan_id != sta->vlan_id))
+				    (vlan_id.notempty &&
+				     vlan_compare(&vlan_id, sta->vlan_desc)))
 					ap_sta_disconnect(
 						hapd, sta, sta->addr,
 						WLAN_REASON_UNSPECIFIED);
@@ -1557,8 +1591,8 @@ static u16 ipv4_hdr_checksum(const void *buf, size_t len)
 #define HWSIM_PACKETLEN 1500
 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
 
-void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
-			  size_t len)
+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;
@@ -1745,8 +1779,6 @@ done:
 static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd)
 {
 #ifdef WPA_TRACE_BFD
-	extern char wpa_trace_fail_func[256];
-	extern unsigned int wpa_trace_fail_after;
 	char *pos;
 
 	wpa_trace_fail_after = atoi(cmd);
@@ -1770,9 +1802,6 @@ static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd,
 				       char *buf, size_t buflen)
 {
 #ifdef WPA_TRACE_BFD
-	extern char wpa_trace_fail_func[256];
-	extern unsigned int wpa_trace_fail_after;
-
 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
 			   wpa_trace_fail_func);
 #else /* WPA_TRACE_BFD */
@@ -1784,8 +1813,6 @@ static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd,
 static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd)
 {
 #ifdef WPA_TRACE_BFD
-	extern char wpa_trace_test_fail_func[256];
-	extern unsigned int wpa_trace_test_fail_after;
 	char *pos;
 
 	wpa_trace_test_fail_after = atoi(cmd);
@@ -1809,9 +1836,6 @@ static int hostapd_ctrl_get_fail(struct hostapd_data *hapd,
 				 char *buf, size_t buflen)
 {
 #ifdef WPA_TRACE_BFD
-	extern char wpa_trace_test_fail_func[256];
-	extern unsigned int wpa_trace_test_fail_after;
-
 	return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
 			   wpa_trace_test_fail_func);
 #else /* WPA_TRACE_BFD */
@@ -1875,13 +1899,13 @@ static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd,
 
 	/* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
 	vendor_id = strtoul(cmd, &pos, 16);
-	if (!isblank(*pos))
+	if (!isblank((unsigned char) *pos))
 		return -EINVAL;
 
 	subcmd = strtoul(pos, &pos, 10);
 
 	if (*pos != '\0') {
-		if (!isblank(*pos++))
+		if (!isblank((unsigned char) *pos++))
 			return -EINVAL;
 		data_len = os_strlen(pos);
 	}
@@ -2016,6 +2040,9 @@ static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd,
 	struct hostapd_sta_info *info;
 	struct os_reltime now;
 
+	if (!iface->num_sta_seen)
+		return 0;
+
 	sta_track_expire(iface, 0);
 
 	pos = buf;
@@ -2040,10 +2067,228 @@ static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd,
 #endif /* NEED_AP_MLME */
 
 
+static int hostapd_ctrl_iface_req_lci(struct hostapd_data *hapd,
+				      const char *cmd)
+{
+	u8 addr[ETH_ALEN];
+
+	if (hwaddr_aton(cmd, addr)) {
+		wpa_printf(MSG_INFO, "CTRL: REQ_LCI: Invalid MAC address");
+		return -1;
+	}
+
+	return hostapd_send_lci_req(hapd, addr);
+}
+
+
+static int hostapd_ctrl_iface_req_range(struct hostapd_data *hapd, char *cmd)
+{
+	u8 addr[ETH_ALEN];
+	char *token, *context = NULL;
+	int random_interval, min_ap;
+	u8 responders[ETH_ALEN * RRM_RANGE_REQ_MAX_RESPONDERS];
+	unsigned int n_responders;
+
+	token = str_token(cmd, " ", &context);
+	if (!token || hwaddr_aton(token, addr)) {
+		wpa_printf(MSG_INFO,
+			   "CTRL: REQ_RANGE - Bad destination address");
+		return -1;
+	}
+
+	token = str_token(cmd, " ", &context);
+	if (!token)
+		return -1;
+
+	random_interval = atoi(token);
+	if (random_interval < 0 || random_interval > 0xffff)
+		return -1;
+
+	token = str_token(cmd, " ", &context);
+	if (!token)
+		return -1;
+
+	min_ap = atoi(token);
+	if (min_ap <= 0 || min_ap > WLAN_RRM_RANGE_REQ_MAX_MIN_AP)
+		return -1;
+
+	n_responders = 0;
+	while ((token = str_token(cmd, " ", &context))) {
+		if (n_responders == RRM_RANGE_REQ_MAX_RESPONDERS) {
+			wpa_printf(MSG_INFO,
+				   "CTRL: REQ_RANGE: Too many responders");
+			return -1;
+		}
+
+		if (hwaddr_aton(token, responders + n_responders * ETH_ALEN)) {
+			wpa_printf(MSG_INFO,
+				   "CTRL: REQ_RANGE: Bad responder address");
+			return -1;
+		}
+
+		n_responders++;
+	}
+
+	if (!n_responders) {
+		wpa_printf(MSG_INFO,
+			   "CTRL: REQ_RANGE - No FTM responder address");
+		return -1;
+	}
+
+	return hostapd_send_range_req(hapd, addr, random_interval, min_ap,
+				      responders, n_responders);
+}
+
+
+static int hostapd_ctrl_iface_set_neighbor(struct hostapd_data *hapd, char *buf)
+{
+	struct wpa_ssid_value ssid;
+	u8 bssid[ETH_ALEN];
+	struct wpabuf *nr, *lci = NULL, *civic = NULL;
+	char *tmp;
+	int ret;
+
+	if (!(hapd->conf->radio_measurements[0] &
+	      WLAN_RRM_CAPS_NEIGHBOR_REPORT)) {
+		wpa_printf(MSG_ERROR,
+			   "CTRL: SET_NEIGHBOR: Neighbor report is not enabled");
+		return -1;
+	}
+
+	if (hwaddr_aton(buf, bssid)) {
+		wpa_printf(MSG_ERROR, "CTRL: SET_NEIGHBOR: Bad BSSID");
+		return -1;
+	}
+
+	tmp = os_strstr(buf, "ssid=");
+	if (!tmp || ssid_parse(tmp + 5, &ssid)) {
+		wpa_printf(MSG_ERROR,
+			   "CTRL: SET_NEIGHBOR: Bad or missing SSID");
+		return -1;
+	}
+	buf = os_strchr(tmp + 6, tmp[5] == '"' ? '"' : ' ');
+	if (!buf)
+		return -1;
+
+	tmp = os_strstr(buf, "nr=");
+	if (!tmp) {
+		wpa_printf(MSG_ERROR,
+			   "CTRL: SET_NEIGHBOR: Missing Neighbor Report element");
+		return -1;
+	}
+
+	buf = os_strchr(tmp, ' ');
+	if (buf)
+		*buf++ = '\0';
+
+	nr = wpabuf_parse_bin(tmp + 3);
+	if (!nr) {
+		wpa_printf(MSG_ERROR,
+			   "CTRL: SET_NEIGHBOR: Bad Neighbor Report element");
+		return -1;
+	}
+
+	if (!buf)
+		goto set;
+
+	tmp = os_strstr(buf, "lci=");
+	if (tmp) {
+		buf = os_strchr(tmp, ' ');
+		if (buf)
+			*buf++ = '\0';
+		lci = wpabuf_parse_bin(tmp + 4);
+		if (!lci) {
+			wpa_printf(MSG_ERROR,
+				   "CTRL: SET_NEIGHBOR: Bad LCI subelement");
+			wpabuf_free(nr);
+			return -1;
+		}
+	}
+
+	if (!buf)
+		goto set;
+
+	tmp = os_strstr(buf, "civic=");
+	if (tmp) {
+		buf = os_strchr(tmp, ' ');
+		if (buf)
+			*buf++ = '\0';
+		civic = wpabuf_parse_bin(tmp + 6);
+		if (!civic) {
+			wpa_printf(MSG_ERROR,
+				   "CTRL: SET_NEIGHBOR: Bad civic subelement");
+			wpabuf_free(nr);
+			wpabuf_free(lci);
+			return -1;
+		}
+	}
+
+set:
+	ret = hostapd_neighbor_set(hapd, bssid, &ssid, nr, lci, civic);
+
+	wpabuf_free(nr);
+	wpabuf_free(lci);
+	wpabuf_free(civic);
+
+	return ret;
+}
+
+
+static int hostapd_ctrl_iface_remove_neighbor(struct hostapd_data *hapd,
+					      char *buf)
+{
+	struct wpa_ssid_value ssid;
+	u8 bssid[ETH_ALEN];
+	char *tmp;
+
+	if (hwaddr_aton(buf, bssid)) {
+		wpa_printf(MSG_ERROR, "CTRL: REMOVE_NEIGHBOR: Bad BSSID");
+		return -1;
+	}
+
+	tmp = os_strstr(buf, "ssid=");
+	if (!tmp || ssid_parse(tmp + 5, &ssid)) {
+		wpa_printf(MSG_ERROR,
+			   "CTRL: REMOVE_NEIGHBORr: Bad or missing SSID");
+		return -1;
+	}
+
+	return hostapd_neighbor_remove(hapd, bssid, &ssid);
+}
+
+
+static int hostapd_ctrl_driver_flags(struct hostapd_iface *iface, char *buf,
+				     size_t buflen)
+{
+	int ret, i;
+	char *pos, *end;
+
+	ret = os_snprintf(buf, buflen, "%016llX:\n",
+			  (long long unsigned) iface->drv_flags);
+	if (os_snprintf_error(buflen, ret))
+		return -1;
+
+	pos = buf + ret;
+	end = buf + buflen;
+
+	for (i = 0; i < 64; i++) {
+		if (iface->drv_flags & (1LLU << i)) {
+			ret = os_snprintf(pos, end - pos, "%s\n",
+					  driver_flag_to_string(1LLU << i));
+			if (os_snprintf_error(end - pos, ret))
+				return -1;
+			pos += ret;
+		}
+	}
+
+	return pos - buf;
+}
+
+
 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 					      char *buf, char *reply,
 					      int reply_size,
-					      struct sockaddr_un *from,
+					      struct sockaddr_storage *from,
 					      socklen_t fromlen)
 {
 	int reply_len, res;
@@ -2122,6 +2367,14 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 	} else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
 		if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
 			reply_len = -1;
+#ifdef CONFIG_TAXONOMY
+	} else if (os_strncmp(buf, "SIGNATURE ", 10) == 0) {
+		reply_len = hostapd_ctrl_iface_signature(hapd, buf + 10,
+							 reply, reply_size);
+#endif /* CONFIG_TAXONOMY */
+	} else if (os_strncmp(buf, "POLL_STA ", 9) == 0) {
+		if (hostapd_ctrl_iface_poll_sta(hapd, buf + 9))
+			reply_len = -1;
 	} else if (os_strcmp(buf, "STOP_AP") == 0) {
 		if (hostapd_ctrl_iface_stop_ap(hapd))
 			reply_len = -1;
@@ -2276,6 +2529,26 @@ static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
 		reply_len = hostapd_ctrl_iface_track_sta_list(
 			hapd, reply, reply_size);
 #endif /* NEED_AP_MLME */
+	} else if (os_strcmp(buf, "PMKSA") == 0) {
+		reply_len = hostapd_ctrl_iface_pmksa_list(hapd, reply,
+							  reply_size);
+	} else if (os_strcmp(buf, "PMKSA_FLUSH") == 0) {
+		hostapd_ctrl_iface_pmksa_flush(hapd);
+	} else if (os_strncmp(buf, "SET_NEIGHBOR ", 13) == 0) {
+		if (hostapd_ctrl_iface_set_neighbor(hapd, buf + 13))
+			reply_len = -1;
+	} else if (os_strncmp(buf, "REMOVE_NEIGHBOR ", 16) == 0) {
+		if (hostapd_ctrl_iface_remove_neighbor(hapd, buf + 16))
+			reply_len = -1;
+	} else if (os_strncmp(buf, "REQ_LCI ", 8) == 0) {
+		if (hostapd_ctrl_iface_req_lci(hapd, buf + 8))
+			reply_len = -1;
+	} else if (os_strncmp(buf, "REQ_RANGE ", 10) == 0) {
+		if (hostapd_ctrl_iface_req_range(hapd, buf + 10))
+			reply_len = -1;
+	} else if (os_strcmp(buf, "DRIVER_FLAGS") == 0) {
+		reply_len = hostapd_ctrl_driver_flags(hapd->iface, reply,
+						      reply_size);
 	} else {
 		os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
 		reply_len = 16;
@@ -2296,12 +2569,15 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 	struct hostapd_data *hapd = eloop_ctx;
 	char buf[4096];
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
-	char *reply;
+	char *reply, *pos = buf;
 	const int reply_size = 4096;
 	int reply_len;
 	int level = MSG_DEBUG;
+#ifdef CONFIG_CTRL_IFACE_UDP
+	unsigned char lcookie[COOKIE_LEN];
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 		       (struct sockaddr *) &from, &fromlen);
@@ -2311,9 +2587,6 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 		return;
 	}
 	buf[res] = '\0';
-	if (os_strcmp(buf, "PING") == 0)
-		level = MSG_EXCESSIVE;
-	wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
 
 	reply = os_malloc(reply_size);
 	if (reply == NULL) {
@@ -2325,10 +2598,46 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 		return;
 	}
 
-	reply_len = hostapd_ctrl_iface_receive_process(hapd, buf,
+#ifdef CONFIG_CTRL_IFACE_UDP
+	if (os_strcmp(buf, "GET_COOKIE") == 0) {
+		os_memcpy(reply, "COOKIE=", 7);
+		wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
+				 cookie, COOKIE_LEN);
+		reply_len = 7 + 2 * COOKIE_LEN;
+		goto done;
+	}
+
+	if (os_strncmp(buf, "COOKIE=", 7) != 0 ||
+	    hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: No cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	if (os_memcmp(cookie, lcookie, COOKIE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: Invalid cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	pos = buf + 7 + 2 * COOKIE_LEN;
+	while (*pos == ' ')
+		pos++;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
+	if (os_strcmp(pos, "PING") == 0)
+		level = MSG_EXCESSIVE;
+	wpa_hexdump_ascii(level, "RX ctrl_iface", pos, res);
+
+	reply_len = hostapd_ctrl_iface_receive_process(hapd, pos,
 						       reply, reply_size,
 						       &from, fromlen);
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+done:
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
 		   fromlen) < 0) {
 		wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
@@ -2338,6 +2647,7 @@ static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
 }
 
 
+#ifndef CONFIG_CTRL_IFACE_UDP
 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
 {
 	char *buf;
@@ -2357,6 +2667,7 @@ static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
 	buf[len - 1] = '\0';
 	return buf;
 }
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 
 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
@@ -2372,6 +2683,99 @@ static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
 
 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
 {
+#ifdef CONFIG_CTRL_IFACE_UDP
+	int port = HOSTAPD_CTRL_IFACE_PORT;
+	char p[32] = { 0 };
+	char port_str[40], *tmp;
+	char *pos;
+	struct addrinfo hints = { 0 }, *res, *saveres;
+	int n;
+
+	if (hapd->ctrl_sock > -1) {
+		wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
+		return 0;
+	}
+
+	if (hapd->conf->ctrl_interface == NULL)
+		return 0;
+
+	pos = os_strstr(hapd->conf->ctrl_interface, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid ctrl_iface UDP port");
+			goto fail;
+		}
+	}
+
+	dl_list_init(&hapd->ctrl_dst);
+	hapd->ctrl_sock = -1;
+	os_get_random(cookie, COOKIE_LEN);
+
+#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
+	hints.ai_flags = AI_PASSIVE;
+#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
+
+#ifdef CONFIG_CTRL_IFACE_UDP_IPV6
+	hints.ai_family = AF_INET6;
+#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_family = AF_INET;
+#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_socktype = SOCK_DGRAM;
+
+try_again:
+	os_snprintf(p, sizeof(p), "%d", port);
+	n = getaddrinfo(NULL, p, &hints, &res);
+	if (n) {
+		wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n));
+		goto fail;
+	}
+
+	saveres = res;
+	hapd->ctrl_sock = socket(res->ai_family, res->ai_socktype,
+				 res->ai_protocol);
+	if (hapd->ctrl_sock < 0) {
+		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	if (bind(hapd->ctrl_sock, res->ai_addr, res->ai_addrlen) < 0) {
+		port--;
+		if ((HOSTAPD_CTRL_IFACE_PORT - port) <
+		    HOSTAPD_CTRL_IFACE_PORT_LIMIT && !pos)
+			goto try_again;
+		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	freeaddrinfo(saveres);
+
+	os_snprintf(port_str, sizeof(port_str), "udp:%d", port);
+	tmp = os_strdup(port_str);
+	if (tmp) {
+		os_free(hapd->conf->ctrl_interface);
+		hapd->conf->ctrl_interface = tmp;
+	}
+	wpa_printf(MSG_DEBUG, "ctrl_iface_init UDP port: %d", port);
+
+	if (eloop_register_read_sock(hapd->ctrl_sock,
+				     hostapd_ctrl_iface_receive, hapd, NULL) <
+	    0) {
+		hostapd_ctrl_iface_deinit(hapd);
+		return -1;
+	}
+
+	hapd->msg_ctx = hapd;
+	wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
+
+	return 0;
+
+fail:
+	if (hapd->ctrl_sock >= 0)
+		close(hapd->ctrl_sock);
+	return -1;
+#else /* CONFIG_CTRL_IFACE_UDP */
 	struct sockaddr_un addr;
 	int s = -1;
 	char *fname = NULL;
@@ -2381,6 +2785,8 @@ int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
 		return 0;
 	}
 
+	dl_list_init(&hapd->ctrl_dst);
+
 	if (hapd->conf->ctrl_interface == NULL)
 		return 0;
 
@@ -2520,6 +2926,7 @@ fail:
 		os_free(fname);
 	}
 	return -1;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 }
 
 
@@ -2528,10 +2935,14 @@ void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
 	struct wpa_ctrl_dst *dst, *prev;
 
 	if (hapd->ctrl_sock > -1) {
+#ifndef CONFIG_CTRL_IFACE_UDP
 		char *fname;
+#endif /* !CONFIG_CTRL_IFACE_UDP */
+
 		eloop_unregister_read_sock(hapd->ctrl_sock);
 		close(hapd->ctrl_sock);
 		hapd->ctrl_sock = -1;
+#ifndef CONFIG_CTRL_IFACE_UDP
 		fname = hostapd_ctrl_iface_path(hapd);
 		if (fname)
 			unlink(fname);
@@ -2550,15 +2961,12 @@ void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
 					   strerror(errno));
 			}
 		}
+#endif /* !CONFIG_CTRL_IFACE_UDP */
 	}
 
-	dst = hapd->ctrl_dst;
-	hapd->ctrl_dst = NULL;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
+	dl_list_for_each_safe(dst, prev, &hapd->ctrl_dst, struct wpa_ctrl_dst,
+			      list)
+		os_free(dst);
 
 #ifdef CONFIG_TESTING_OPTIONS
 	l2_packet_deinit(hapd->l2_test);
@@ -2590,54 +2998,18 @@ static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
 
 
 static int hostapd_global_ctrl_iface_attach(struct hapd_interfaces *interfaces,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst;
-
-	dst = os_zalloc(sizeof(*dst));
-	if (dst == NULL)
-		return -1;
-	os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
-	dst->addrlen = fromlen;
-	dst->debug_level = MSG_INFO;
-	dst->next = interfaces->global_ctrl_dst;
-	interfaces->global_ctrl_dst = dst;
-	wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached (global)",
-		    from->sun_path,
-		    fromlen - offsetof(struct sockaddr_un, sun_path));
-	return 0;
+	return ctrl_iface_attach(&interfaces->global_ctrl_dst, from, fromlen);
 }
 
 
 static int hostapd_global_ctrl_iface_detach(struct hapd_interfaces *interfaces,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
-	struct wpa_ctrl_dst *dst, *prev = NULL;
-
-	dst = interfaces->global_ctrl_dst;
-	while (dst) {
-		if (fromlen == dst->addrlen &&
-		    os_memcmp(from->sun_path, dst->addr.sun_path,
-			      fromlen - offsetof(struct sockaddr_un, sun_path))
-		    == 0) {
-			wpa_hexdump(MSG_DEBUG,
-				    "CTRL_IFACE monitor detached (global)",
-				    from->sun_path,
-				    fromlen -
-				    offsetof(struct sockaddr_un, sun_path));
-			if (prev == NULL)
-				interfaces->global_ctrl_dst = dst->next;
-			else
-				prev->next = dst->next;
-			os_free(dst);
-			return 0;
-		}
-		prev = dst;
-		dst = dst->next;
-	}
-	return -1;
+	return ctrl_iface_detach(&interfaces->global_ctrl_dst, from, fromlen);
 }
 
 
@@ -2791,6 +3163,51 @@ error_return:
 
 
 static int
+hostapd_global_ctrl_iface_interfaces(struct hapd_interfaces *interfaces,
+				     const char *input,
+				     char *reply, int reply_size)
+{
+	size_t i, j;
+	int res;
+	char *pos, *end;
+	struct hostapd_iface *iface;
+	int show_ctrl = 0;
+
+	if (input)
+		show_ctrl = !!os_strstr(input, "ctrl");
+
+	pos = reply;
+	end = reply + reply_size;
+
+	for (i = 0; i < interfaces->count; i++) {
+		iface = interfaces->iface[i];
+
+		for (j = 0; j < iface->num_bss; j++) {
+			struct hostapd_bss_config *conf;
+
+			conf = iface->conf->bss[j];
+			if (show_ctrl)
+				res = os_snprintf(pos, end - pos,
+						  "%s ctrl_iface=%s\n",
+						  conf->iface,
+						  conf->ctrl_interface ?
+						  conf->ctrl_interface : "N/A");
+			else
+				res = os_snprintf(pos, end - pos, "%s\n",
+						  conf->iface);
+			if (os_snprintf_error(end - pos, res)) {
+				*pos = '\0';
+				return pos - reply;
+			}
+			pos += res;
+		}
+	}
+
+	return pos - reply;
+}
+
+
+static int
 hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
 				      char *cmd)
 {
@@ -2839,7 +3256,7 @@ static int hostapd_global_ctrl_iface_ifname(struct hapd_interfaces *interfaces,
 					    const char *ifname,
 					    char *buf, char *reply,
 					    int reply_size,
-					    struct sockaddr_un *from,
+					    struct sockaddr_storage *from,
 					    socklen_t fromlen)
 {
 	struct hostapd_data *hapd;
@@ -2863,15 +3280,18 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
 					      void *sock_ctx)
 {
 	void *interfaces = eloop_ctx;
-	char buf[256];
+	char buffer[256], *buf = buffer;
 	int res;
-	struct sockaddr_un from;
+	struct sockaddr_storage from;
 	socklen_t fromlen = sizeof(from);
 	char *reply;
 	int reply_len;
 	const int reply_size = 4096;
+#ifdef CONFIG_CTRL_IFACE_UDP
+	unsigned char lcookie[COOKIE_LEN];
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
-	res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
+	res = recvfrom(sock, buffer, sizeof(buffer) - 1, 0,
 		       (struct sockaddr *) &from, &fromlen);
 	if (res < 0) {
 		wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
@@ -2894,6 +3314,35 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
 	os_memcpy(reply, "OK\n", 3);
 	reply_len = 3;
 
+#ifdef CONFIG_CTRL_IFACE_UDP
+	if (os_strcmp(buf, "GET_COOKIE") == 0) {
+		os_memcpy(reply, "COOKIE=", 7);
+		wpa_snprintf_hex(reply + 7, 2 * COOKIE_LEN + 1,
+				 gcookie, COOKIE_LEN);
+		reply_len = 7 + 2 * COOKIE_LEN;
+		goto send_reply;
+	}
+
+	if (os_strncmp(buf, "COOKIE=", 7) != 0 ||
+	    hexstr2bin(buf + 7, lcookie, COOKIE_LEN) < 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: No cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	if (os_memcmp(gcookie, lcookie, COOKIE_LEN) != 0) {
+		wpa_printf(MSG_DEBUG,
+			   "CTRL: Invalid cookie in the request - drop request");
+		os_free(reply);
+		return;
+	}
+
+	buf += 7 + 2 * COOKIE_LEN;
+	while (*buf == ' ')
+		buf++;
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
 	if (os_strncmp(buf, "IFNAME=", 7) == 0) {
 		char *pos = os_strchr(buf + 7, ' ');
 
@@ -2930,7 +3379,6 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
 			reply_len = -1;
 #ifdef CONFIG_MODULE_TESTS
 	} else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
-		int hapd_module_tests(void);
 		if (hapd_module_tests() < 0)
 			reply_len = -1;
 #endif /* CONFIG_MODULE_TESTS */
@@ -2954,6 +3402,11 @@ static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
 			reply_len = os_snprintf(reply, reply_size, "OK\n");
 		else
 			reply_len = -1;
+	} else if (os_strncmp(buf, "INTERFACES", 10) == 0) {
+		reply_len = hostapd_global_ctrl_iface_interfaces(
+			interfaces, buf + 10, reply, sizeof(buffer));
+	} else if (os_strcmp(buf, "TERMINATE") == 0) {
+		eloop_terminate();
 	} else {
 		wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
 			   "ignored");
@@ -2975,6 +3428,7 @@ send_reply:
 }
 
 
+#ifndef CONFIG_CTRL_IFACE_UDP
 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
 {
 	char *buf;
@@ -2994,10 +3448,95 @@ static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
 	buf[len - 1] = '\0';
 	return buf;
 }
+#endif /* CONFIG_CTRL_IFACE_UDP */
 
 
 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
 {
+#ifdef CONFIG_CTRL_IFACE_UDP
+	int port = HOSTAPD_GLOBAL_CTRL_IFACE_PORT;
+	char p[32] = { 0 };
+	char *pos;
+	struct addrinfo hints = { 0 }, *res, *saveres;
+	int n;
+
+	if (interface->global_ctrl_sock > -1) {
+		wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
+		return 0;
+	}
+
+	if (interface->global_iface_path == NULL)
+		return 0;
+
+	pos = os_strstr(interface->global_iface_path, "udp:");
+	if (pos) {
+		pos += 4;
+		port = atoi(pos);
+		if (port <= 0) {
+			wpa_printf(MSG_ERROR, "Invalid global ctrl UDP port");
+			goto fail;
+		}
+	}
+
+	dl_list_init(&interface->global_ctrl_dst);
+	interface->global_ctrl_sock = -1;
+	os_get_random(gcookie, COOKIE_LEN);
+
+#ifdef CONFIG_CTRL_IFACE_UDP_REMOTE
+	hints.ai_flags = AI_PASSIVE;
+#endif /* CONFIG_CTRL_IFACE_UDP_REMOTE */
+
+#ifdef CONFIG_CTRL_IFACE_UDP_IPV6
+	hints.ai_family = AF_INET6;
+#else /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_family = AF_INET;
+#endif /* CONFIG_CTRL_IFACE_UDP_IPV6 */
+	hints.ai_socktype = SOCK_DGRAM;
+
+try_again:
+	os_snprintf(p, sizeof(p), "%d", port);
+	n = getaddrinfo(NULL, p, &hints, &res);
+	if (n) {
+		wpa_printf(MSG_ERROR, "getaddrinfo(): %s", gai_strerror(n));
+		goto fail;
+	}
+
+	saveres = res;
+	interface->global_ctrl_sock = socket(res->ai_family, res->ai_socktype,
+					     res->ai_protocol);
+	if (interface->global_ctrl_sock < 0) {
+		wpa_printf(MSG_ERROR, "socket(PF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	if (bind(interface->global_ctrl_sock, res->ai_addr, res->ai_addrlen) <
+	    0) {
+		port++;
+		if ((port - HOSTAPD_GLOBAL_CTRL_IFACE_PORT) <
+		    HOSTAPD_GLOBAL_CTRL_IFACE_PORT_LIMIT && !pos)
+			goto try_again;
+		wpa_printf(MSG_ERROR, "bind(AF_INET): %s", strerror(errno));
+		goto fail;
+	}
+
+	freeaddrinfo(saveres);
+
+	wpa_printf(MSG_DEBUG, "global ctrl_iface_init UDP port: %d", port);
+
+	if (eloop_register_read_sock(interface->global_ctrl_sock,
+				     hostapd_global_ctrl_iface_receive,
+				     interface, NULL) < 0) {
+		hostapd_global_ctrl_iface_deinit(interface);
+		return -1;
+	}
+
+	return 0;
+
+fail:
+	if (interface->global_ctrl_sock >= 0)
+		close(interface->global_ctrl_sock);
+	return -1;
+#else /* CONFIG_CTRL_IFACE_UDP */
 	struct sockaddr_un addr;
 	int s = -1;
 	char *fname = NULL;
@@ -3103,18 +3642,22 @@ fail:
 		os_free(fname);
 	}
 	return -1;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 }
 
 
 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
 {
+#ifndef CONFIG_CTRL_IFACE_UDP
 	char *fname = NULL;
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	struct wpa_ctrl_dst *dst, *prev;
 
 	if (interfaces->global_ctrl_sock > -1) {
 		eloop_unregister_read_sock(interfaces->global_ctrl_sock);
 		close(interfaces->global_ctrl_sock);
 		interfaces->global_ctrl_sock = -1;
+#ifndef CONFIG_CTRL_IFACE_UDP
 		fname = hostapd_global_ctrl_iface_path(interfaces);
 		if (fname) {
 			unlink(fname);
@@ -3134,18 +3677,15 @@ void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
 					   strerror(errno));
 			}
 		}
+#endif /* CONFIG_CTRL_IFACE_UDP */
 	}
 
 	os_free(interfaces->global_iface_path);
 	interfaces->global_iface_path = NULL;
 
-	dst = interfaces->global_ctrl_dst;
-	interfaces->global_ctrl_dst = NULL;
-	while (dst) {
-		prev = dst;
-		dst = dst->next;
-		os_free(prev);
-	}
+	dl_list_for_each_safe(dst, prev, &interfaces->global_ctrl_dst,
+			      struct wpa_ctrl_dst, list)
+		os_free(dst);
 }
 
 
@@ -3154,6 +3694,7 @@ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 				    const char *buf, size_t len)
 {
 	struct wpa_ctrl_dst *dst, *next;
+	struct dl_list *ctrl_dst;
 	struct msghdr msg;
 	int idx;
 	struct iovec io[2];
@@ -3162,13 +3703,13 @@ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 
 	if (type != WPA_MSG_ONLY_GLOBAL) {
 		s = hapd->ctrl_sock;
-		dst = hapd->ctrl_dst;
+		ctrl_dst = &hapd->ctrl_dst;
 	} else {
 		s = hapd->iface->interfaces->global_ctrl_sock;
-		dst = hapd->iface->interfaces->global_ctrl_dst;
+		ctrl_dst = &hapd->iface->interfaces->global_ctrl_dst;
 	}
 
-	if (s < 0 || dst == NULL)
+	if (s < 0 || dl_list_empty(ctrl_dst))
 		return;
 
 	os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
@@ -3181,12 +3722,10 @@ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 	msg.msg_iovlen = 2;
 
 	idx = 0;
-	while (dst) {
-		next = dst->next;
+	dl_list_for_each_safe(dst, next, ctrl_dst, struct wpa_ctrl_dst, list) {
 		if (level >= dst->debug_level) {
-			wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
-				    (u8 *) dst->addr.sun_path, dst->addrlen -
-				    offsetof(struct sockaddr_un, sun_path));
+			sockaddr_print(MSG_DEBUG, "CTRL_IFACE monitor send",
+				       &dst->addr, dst->addrlen);
 			msg.msg_name = &dst->addr;
 			msg.msg_namelen = dst->addrlen;
 			if (sendmsg(s, &msg, 0) < 0) {
@@ -3210,7 +3749,6 @@ static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
 				dst->errors = 0;
 		}
 		idx++;
-		dst = next;
 	}
 }