[thirdparty/systemd.git] / src / shared / wifi-util.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include "sd-netlink.h"

#include "alloc-util.h"
#include "ether-addr-util.h"
#include "log.h"
#include "string-table.h"
#include "string-util.h"
#include "wifi-util.h"

int wifi_get_interface(sd_netlink *genl, int ifindex, enum nl80211_iftype *ret_iftype, char **ret_ssid) {
        _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL;
        _cleanup_free_ char *ssid = NULL;
        const char *family;
        uint32_t iftype;
        size_t len;
        int r;

        assert(genl);
        assert(ifindex > 0);

        r = sd_genl_message_new(genl, NL80211_GENL_NAME, NL80211_CMD_GET_INTERFACE, &m);
        if (r < 0)
                return log_debug_errno(r, "Failed to create generic netlink message: %m");

        r = sd_netlink_message_append_u32(m, NL80211_ATTR_IFINDEX, ifindex);
        if (r < 0)
                return log_debug_errno(r, "Could not append NL80211_ATTR_IFINDEX attribute: %m");

        r = sd_netlink_call(genl, m, 0, &reply);
        if (r == -ENODEV) {
                /* For obsolete WEXT driver. */
                log_debug_errno(r, "Failed to request information about wifi interface %d. "
                                "The device doesn't seem to have nl80211 interface. Ignoring.",
                                ifindex);
                goto nodata;
        }
        if (r < 0)
                return log_debug_errno(r, "Failed to request information about wifi interface %d: %m", ifindex);
        if (!reply) {
                log_debug("No reply received to request for information about wifi interface %d, ignoring.", ifindex);
                goto nodata;
        }

        r = sd_netlink_message_get_errno(reply);
        if (r < 0)
                return log_debug_errno(r, "Failed to get information about wifi interface %d: %m", ifindex);

        r = sd_genl_message_get_family_name(genl, reply, &family);
        if (r < 0)
                return log_debug_errno(r, "Failed to determine genl family: %m");
        if (!streq(family, NL80211_GENL_NAME)) {
                log_debug("Received message of unexpected genl family '%s', ignoring.", family);
                goto nodata;
        }

        r = sd_netlink_message_read_u32(reply, NL80211_ATTR_IFTYPE, &iftype);
        if (r < 0)
                return log_debug_errno(r, "Failed to get NL80211_ATTR_IFTYPE attribute: %m");

        r = sd_netlink_message_read_data(reply, NL80211_ATTR_SSID, &len, (void**) &ssid);
        if (r < 0 && r != -ENODATA)
                return log_debug_errno(r, "Failed to get NL80211_ATTR_SSID attribute: %m");
        if (r >= 0) {
                if (len == 0) {
                        log_debug("SSID has zero length, ignoring it.");
                        ssid = mfree(ssid);
                } else if (strlen_ptr(ssid) != len) {
                        log_debug("SSID contains NUL characters, ignoring it.");
                        ssid = mfree(ssid);
                }
        }

        if (ret_iftype)
                *ret_iftype = iftype;

        if (ret_ssid)
                *ret_ssid = TAKE_PTR(ssid);

        return 1;

nodata:
        if (ret_iftype)
                *ret_iftype = 0;
        if (ret_ssid)
                *ret_ssid = NULL;
        return 0;
}

int wifi_get_station(sd_netlink *genl, int ifindex, struct ether_addr *ret_bssid) {
        _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL;
        const char *family;
        int r;

        assert(genl);
        assert(ifindex > 0);
        assert(ret_bssid);

        r = sd_genl_message_new(genl, NL80211_GENL_NAME, NL80211_CMD_GET_STATION, &m);
        if (r < 0)
                return log_debug_errno(r, "Failed to create generic netlink message: %m");

        r = sd_netlink_message_set_flags(m, NLM_F_REQUEST | NLM_F_ACK | NLM_F_DUMP);
        if (r < 0)
                return log_debug_errno(r, "Failed to set dump flag: %m");

        r = sd_netlink_message_append_u32(m, NL80211_ATTR_IFINDEX, ifindex);
        if (r < 0)
                return log_debug_errno(r, "Could not append NL80211_ATTR_IFINDEX attribute: %m");

        r = sd_netlink_call(genl, m, 0, &reply);
        if (r < 0)
                return log_debug_errno(r, "Failed to request information about wifi station: %m");
        if (!reply) {
                log_debug("No reply received to request for information about wifi station, ignoring.");
                goto nodata;
        }

        r = sd_netlink_message_get_errno(reply);
        if (r < 0)
                return log_debug_errno(r, "Failed to get information about wifi station: %m");

        r = sd_genl_message_get_family_name(genl, reply, &family);
        if (r < 0)
                return log_debug_errno(r, "Failed to determine genl family: %m");
        if (!streq(family, NL80211_GENL_NAME)) {
                log_debug("Received message of unexpected genl family '%s', ignoring.", family);
                goto nodata;
        }

        r = sd_netlink_message_read_ether_addr(reply, NL80211_ATTR_MAC, ret_bssid);
        if (r == -ENODATA)
                goto nodata;
        if (r < 0)
                return log_debug_errno(r, "Failed to get NL80211_ATTR_MAC attribute: %m");

        return 1;

nodata:
        *ret_bssid = ETHER_ADDR_NULL;
        return 0;
}

static const char * const nl80211_iftype_table[NUM_NL80211_IFTYPES] = {
        [NL80211_IFTYPE_ADHOC]      = "ad-hoc",
        [NL80211_IFTYPE_STATION]    = "station",
        [NL80211_IFTYPE_AP]         = "ap",
        [NL80211_IFTYPE_AP_VLAN]    = "ap-vlan",
        [NL80211_IFTYPE_WDS]        = "wds",
        [NL80211_IFTYPE_MONITOR]    = "monitor",
        [NL80211_IFTYPE_MESH_POINT] = "mesh-point",
        [NL80211_IFTYPE_P2P_CLIENT] = "p2p-client",
        [NL80211_IFTYPE_P2P_GO]     = "p2p-go",
        [NL80211_IFTYPE_P2P_DEVICE] = "p2p-device",
        [NL80211_IFTYPE_OCB]        = "ocb",
        [NL80211_IFTYPE_NAN]        = "nan",
};

DEFINE_STRING_TABLE_LOOKUP(nl80211_iftype, enum nl80211_iftype);

static const char * const nl80211_cmd_table[__NL80211_CMD_AFTER_LAST] = {
        [NL80211_CMD_GET_WIPHY] = "get_wiphy",
        [NL80211_CMD_SET_WIPHY] = "set_wiphy",
        [NL80211_CMD_NEW_WIPHY] = "new_wiphy",
        [NL80211_CMD_DEL_WIPHY] = "del_wiphy",
        [NL80211_CMD_GET_INTERFACE] = "get_interface",
        [NL80211_CMD_SET_INTERFACE] = "set_interface",
        [NL80211_CMD_NEW_INTERFACE] = "new_interface",
        [NL80211_CMD_DEL_INTERFACE] = "del_interface",
        [NL80211_CMD_GET_KEY] = "get_key",
        [NL80211_CMD_SET_KEY] = "set_key",
        [NL80211_CMD_NEW_KEY] = "new_key",
        [NL80211_CMD_DEL_KEY] = "del_key",
        [NL80211_CMD_GET_BEACON] = "get_beacon",
        [NL80211_CMD_SET_BEACON] = "set_beacon",
        [NL80211_CMD_START_AP] = "start_ap",
        [NL80211_CMD_STOP_AP] = "stop_ap",
        [NL80211_CMD_GET_STATION] = "get_station",
        [NL80211_CMD_SET_STATION] = "set_station",
        [NL80211_CMD_NEW_STATION] = "new_station",
        [NL80211_CMD_DEL_STATION] = "del_station",
        [NL80211_CMD_GET_MPATH] = "get_mpath",
        [NL80211_CMD_SET_MPATH] = "set_mpath",
        [NL80211_CMD_NEW_MPATH] = "new_mpath",
        [NL80211_CMD_DEL_MPATH] = "del_mpath",
        [NL80211_CMD_SET_BSS] = "set_bss",
        [NL80211_CMD_SET_REG] = "set_reg",
        [NL80211_CMD_REQ_SET_REG] = "req_set_reg",
        [NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config",
        [NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config",
        [NL80211_CMD_SET_MGMT_EXTRA_IE] = "set_mgmt_extra_ie",
        [NL80211_CMD_GET_REG] = "get_reg",
        [NL80211_CMD_GET_SCAN] = "get_scan",
        [NL80211_CMD_TRIGGER_SCAN] = "trigger_scan",
        [NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results",
        [NL80211_CMD_SCAN_ABORTED] = "scan_aborted",
        [NL80211_CMD_REG_CHANGE] = "reg_change",
        [NL80211_CMD_AUTHENTICATE] = "authenticate",
        [NL80211_CMD_ASSOCIATE] = "associate",
        [NL80211_CMD_DEAUTHENTICATE] = "deauthenticate",
        [NL80211_CMD_DISASSOCIATE] = "disassociate",
        [NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure",
        [NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint",
        [NL80211_CMD_JOIN_IBSS] = "join_ibss",
        [NL80211_CMD_LEAVE_IBSS] = "leave_ibss",
        [NL80211_CMD_TESTMODE] = "testmode",
        [NL80211_CMD_CONNECT] = "connect",
        [NL80211_CMD_ROAM] = "roam",
        [NL80211_CMD_DISCONNECT] = "disconnect",
        [NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns",
        [NL80211_CMD_GET_SURVEY] = "get_survey",
        [NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results",
        [NL80211_CMD_SET_PMKSA] = "set_pmksa",
        [NL80211_CMD_DEL_PMKSA] = "del_pmksa",
        [NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa",
        [NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel",
        [NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel",
        [NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask",
        [NL80211_CMD_REGISTER_FRAME] = "register_frame",
        [NL80211_CMD_FRAME] = "frame",
        [NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status",
        [NL80211_CMD_SET_POWER_SAVE] = "set_power_save",
        [NL80211_CMD_GET_POWER_SAVE] = "get_power_save",
        [NL80211_CMD_SET_CQM] = "set_cqm",
        [NL80211_CMD_NOTIFY_CQM] = "notify_cqm",
        [NL80211_CMD_SET_CHANNEL] = "set_channel",
        [NL80211_CMD_SET_WDS_PEER] = "set_wds_peer",
        [NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel",
        [NL80211_CMD_JOIN_MESH] = "join_mesh",
        [NL80211_CMD_LEAVE_MESH] = "leave_mesh",
        [NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate",
        [NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate",
        [NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate",
        [NL80211_CMD_GET_WOWLAN] = "get_wowlan",
        [NL80211_CMD_SET_WOWLAN] = "set_wowlan",
        [NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan",
        [NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan",
        [NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results",
        [NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped",
        [NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload",
        [NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate",
        [NL80211_CMD_TDLS_OPER] = "tdls_oper",
        [NL80211_CMD_TDLS_MGMT] = "tdls_mgmt",
        [NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame",
        [NL80211_CMD_PROBE_CLIENT] = "probe_client",
        [NL80211_CMD_REGISTER_BEACONS] = "register_beacons",
        [NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame",
        [NL80211_CMD_SET_NOACK_MAP] = "set_noack_map",
        [NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify",
        [NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device",
        [NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device",
        [NL80211_CMD_CONN_FAILED] = "conn_failed",
        [NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate",
        [NL80211_CMD_SET_MAC_ACL] = "set_mac_acl",
        [NL80211_CMD_RADAR_DETECT] = "radar_detect",
        [NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features",
        [NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies",
        [NL80211_CMD_FT_EVENT] = "ft_event",
        [NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start",
        [NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop",
        [NL80211_CMD_GET_COALESCE] = "get_coalesce",
        [NL80211_CMD_SET_COALESCE] = "set_coalesce",
        [NL80211_CMD_CHANNEL_SWITCH] = "channel_switch",
        [NL80211_CMD_VENDOR] = "vendor",
        [NL80211_CMD_SET_QOS_MAP] = "set_qos_map",
        [NL80211_CMD_ADD_TX_TS] = "add_tx_ts",
        [NL80211_CMD_DEL_TX_TS] = "del_tx_ts",
        [NL80211_CMD_GET_MPP] = "get_mpp",
        [NL80211_CMD_JOIN_OCB] = "join_ocb",
        [NL80211_CMD_LEAVE_OCB] = "leave_ocb",
        [NL80211_CMD_CH_SWITCH_STARTED_NOTIFY] = "ch_switch_started_notify",
        [NL80211_CMD_TDLS_CHANNEL_SWITCH] = "tdls_channel_switch",
        [NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH] = "tdls_cancel_channel_switch",
        [NL80211_CMD_WIPHY_REG_CHANGE] = "wiphy_reg_change",
        [NL80211_CMD_ABORT_SCAN] = "abort_scan",
        [NL80211_CMD_START_NAN] = "start_nan",
        [NL80211_CMD_STOP_NAN] = "stop_nan",
        [NL80211_CMD_ADD_NAN_FUNCTION] = "add_nan_function",
        [NL80211_CMD_DEL_NAN_FUNCTION] = "del_nan_function",
        [NL80211_CMD_CHANGE_NAN_CONFIG] = "change_nan_config",
        [NL80211_CMD_NAN_MATCH] = "nan_match",
        [NL80211_CMD_SET_MULTICAST_TO_UNICAST] = "set_multicast_to_unicast",
        [NL80211_CMD_UPDATE_CONNECT_PARAMS] = "update_connect_params",
        [NL80211_CMD_SET_PMK] = "set_pmk",
        [NL80211_CMD_DEL_PMK] = "del_pmk",
        [NL80211_CMD_PORT_AUTHORIZED] = "port_authorized",
        [NL80211_CMD_RELOAD_REGDB] = "reload_regdb",
        [NL80211_CMD_EXTERNAL_AUTH] = "external_auth",
        [NL80211_CMD_STA_OPMODE_CHANGED] = "sta_opmode_changed",
        [NL80211_CMD_CONTROL_PORT_FRAME] = "control_port_frame",
        [NL80211_CMD_GET_FTM_RESPONDER_STATS] = "get_ftm_responder_stats",
        [NL80211_CMD_PEER_MEASUREMENT_START] = "peer_measurement_start",
        [NL80211_CMD_PEER_MEASUREMENT_RESULT] = "peer_measurement_result",
        [NL80211_CMD_PEER_MEASUREMENT_COMPLETE] = "peer_measurement_complete",
        [NL80211_CMD_NOTIFY_RADAR] = "notify_radar",
        [NL80211_CMD_UPDATE_OWE_INFO] = "update_owe_info",
        [NL80211_CMD_PROBE_MESH_LINK] = "probe_mesh_link",
        [NL80211_CMD_SET_TID_CONFIG] = "set_tid_config",
        [NL80211_CMD_UNPROT_BEACON] = "unprot_beacon",
        [NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS] = "control_port_frame_tx_status",
        [NL80211_CMD_SET_SAR_SPECS] = "set_sar_specs",
        [NL80211_CMD_OBSS_COLOR_COLLISION] = "obss_color_collision",
        [NL80211_CMD_COLOR_CHANGE_REQUEST] = "color_change_request",
        [NL80211_CMD_COLOR_CHANGE_STARTED] = "color_change_started",
        [NL80211_CMD_COLOR_CHANGE_ABORTED] = "color_change_aborted",
        [NL80211_CMD_COLOR_CHANGE_COMPLETED] = "color_change_completed",
};

DEFINE_STRING_TABLE_LOOKUP_TO_STRING(nl80211_cmd, int);
Commit	Line	Data
db9ecf05	1	/* SPDX-License-Identifier: LGPL-2.1-or-later */
b492aea0	2
69a283c5 DDM	3	#include "sd-netlink.h"
	4
	5	#include "alloc-util.h"
	6	#include "ether-addr-util.h"
b492aea0	7	#include "log.h"
abad436d	8	#include "string-table.h"
56fdc16d	9	#include "string-util.h"
b492aea0 ZJS	10	#include "wifi-util.h"
b492aea0 ZJS	11
ae2b86de	12	int wifi_get_interface(sd_netlink genl, int ifindex, enum nl80211_iftype ret_iftype, char **ret_ssid) {
b492aea0	13	_cleanup_(sd_netlink_message_unrefp) sd_netlink_message m = NULL, reply = NULL;
ae2b86de	14	_cleanup_free_ char *ssid = NULL;
56fdc16d	15	const char *family;
ae2b86de	16	uint32_t iftype;
f3e235ff	17	size_t len;
b492aea0 ZJS	18	int r;
b492aea0 ZJS	19
cc17c4c9 YW	20	assert(genl);
	21	assert(ifindex > 0);
	22
56fdc16d	23	r = sd_genl_message_new(genl, NL80211_GENL_NAME, NL80211_CMD_GET_INTERFACE, &m);
b492aea0 ZJS	24	if (r < 0)
	25	return log_debug_errno(r, "Failed to create generic netlink message: %m");
	26
	27	r = sd_netlink_message_append_u32(m, NL80211_ATTR_IFINDEX, ifindex);
	28	if (r < 0)
	29	return log_debug_errno(r, "Could not append NL80211_ATTR_IFINDEX attribute: %m");
	30
	31	r = sd_netlink_call(genl, m, 0, &reply);
cc17c4c9 YW	32	if (r == -ENODEV) {
	33	/* For obsolete WEXT driver. */
	34	log_debug_errno(r, "Failed to request information about wifi interface %d. "
	35	"The device doesn't seem to have nl80211 interface. Ignoring.",
	36	ifindex);
	37	goto nodata;
	38	}
b492aea0 ZJS	39	if (r < 0)
b492aea0 ZJS	40	return log_debug_errno(r, "Failed to request information about wifi interface %d: %m", ifindex);
a66a402d	41	if (!reply) {
66205cb3	42	log_debug("No reply received to request for information about wifi interface %d, ignoring.", ifindex);
cc17c4c9	43	goto nodata;
a66a402d	44	}
b492aea0 ZJS	45
	46	r = sd_netlink_message_get_errno(reply);
	47	if (r < 0)
	48	return log_debug_errno(r, "Failed to get information about wifi interface %d: %m", ifindex);
	49
56fdc16d	50	r = sd_genl_message_get_family_name(genl, reply, &family);
b492aea0 ZJS	51	if (r < 0)
b492aea0 ZJS	52	return log_debug_errno(r, "Failed to determine genl family: %m");
56fdc16d YW	53	if (!streq(family, NL80211_GENL_NAME)) {
56fdc16d YW	54	log_debug("Received message of unexpected genl family '%s', ignoring.", family);
cc17c4c9	55	goto nodata;
b492aea0 ZJS	56	}
b492aea0 ZJS	57
ae2b86de YW	58	r = sd_netlink_message_read_u32(reply, NL80211_ATTR_IFTYPE, &iftype);
	59	if (r < 0)
	60	return log_debug_errno(r, "Failed to get NL80211_ATTR_IFTYPE attribute: %m");
78404d22	61
70c24d0d	62	r = sd_netlink_message_read_data(reply, NL80211_ATTR_SSID, &len, (void**) &ssid);
ae2b86de YW	63	if (r < 0 && r != -ENODATA)
ae2b86de YW	64	return log_debug_errno(r, "Failed to get NL80211_ATTR_SSID attribute: %m");
f3e235ff YW	65	if (r >= 0) {
f3e235ff YW	66	if (len == 0) {
0923b425	67	log_debug("SSID has zero length, ignoring it.");
f3e235ff YW	68	ssid = mfree(ssid);
f3e235ff YW	69	} else if (strlen_ptr(ssid) != len) {
0923b425	70	log_debug("SSID contains NUL characters, ignoring it.");
f3e235ff YW	71	ssid = mfree(ssid);
	72	}
	73	}
78404d22	74
ae2b86de YW	75	if (ret_iftype)
	76	*ret_iftype = iftype;
	77
	78	if (ret_ssid)
	79	*ret_ssid = TAKE_PTR(ssid);
b492aea0	80
cc17c4c9 YW	81	return 1;
	82
	83	nodata:
ae2b86de YW	84	if (ret_iftype)
	85	*ret_iftype = 0;
	86	if (ret_ssid)
	87	*ret_ssid = NULL;
cc17c4c9	88	return 0;
b492aea0 ZJS	89	}
b492aea0 ZJS	90
ae2b86de	91	int wifi_get_station(sd_netlink genl, int ifindex, struct ether_addr ret_bssid) {
b492aea0	92	_cleanup_(sd_netlink_message_unrefp) sd_netlink_message m = NULL, reply = NULL;
56fdc16d	93	const char *family;
b492aea0 ZJS	94	int r;
b492aea0 ZJS	95
cc17c4c9 YW	96	assert(genl);
cc17c4c9 YW	97	assert(ifindex > 0);
ae2b86de	98	assert(ret_bssid);
cc17c4c9	99
56fdc16d	100	r = sd_genl_message_new(genl, NL80211_GENL_NAME, NL80211_CMD_GET_STATION, &m);
b492aea0 ZJS	101	if (r < 0)
	102	return log_debug_errno(r, "Failed to create generic netlink message: %m");
	103
	104	r = sd_netlink_message_set_flags(m, NLM_F_REQUEST \| NLM_F_ACK \| NLM_F_DUMP);
	105	if (r < 0)
	106	return log_debug_errno(r, "Failed to set dump flag: %m");
	107
	108	r = sd_netlink_message_append_u32(m, NL80211_ATTR_IFINDEX, ifindex);
	109	if (r < 0)
	110	return log_debug_errno(r, "Could not append NL80211_ATTR_IFINDEX attribute: %m");
	111
	112	r = sd_netlink_call(genl, m, 0, &reply);
	113	if (r < 0)
	114	return log_debug_errno(r, "Failed to request information about wifi station: %m");
a66a402d	115	if (!reply) {
66205cb3	116	log_debug("No reply received to request for information about wifi station, ignoring.");
cc17c4c9	117	goto nodata;
a66a402d	118	}
b492aea0 ZJS	119
	120	r = sd_netlink_message_get_errno(reply);
	121	if (r < 0)
	122	return log_debug_errno(r, "Failed to get information about wifi station: %m");
	123
56fdc16d	124	r = sd_genl_message_get_family_name(genl, reply, &family);
b492aea0 ZJS	125	if (r < 0)
b492aea0 ZJS	126	return log_debug_errno(r, "Failed to determine genl family: %m");
56fdc16d YW	127	if (!streq(family, NL80211_GENL_NAME)) {
56fdc16d YW	128	log_debug("Received message of unexpected genl family '%s', ignoring.", family);
cc17c4c9	129	goto nodata;
b492aea0 ZJS	130	}
b492aea0 ZJS	131
ae2b86de	132	r = sd_netlink_message_read_ether_addr(reply, NL80211_ATTR_MAC, ret_bssid);
cc17c4c9 YW	133	if (r == -ENODATA)
	134	goto nodata;
	135	if (r < 0)
b492aea0 ZJS	136	return log_debug_errno(r, "Failed to get NL80211_ATTR_MAC attribute: %m");
b492aea0 ZJS	137
cc17c4c9 YW	138	return 1;
	139
	140	nodata:
ae2b86de	141	*ret_bssid = ETHER_ADDR_NULL;
cc17c4c9	142	return 0;
b492aea0	143	}
abad436d YW	144
	145	static const char * const nl80211_iftype_table[NUM_NL80211_IFTYPES] = {
	146	[NL80211_IFTYPE_ADHOC] = "ad-hoc",
	147	[NL80211_IFTYPE_STATION] = "station",
	148	[NL80211_IFTYPE_AP] = "ap",
	149	[NL80211_IFTYPE_AP_VLAN] = "ap-vlan",
	150	[NL80211_IFTYPE_WDS] = "wds",
	151	[NL80211_IFTYPE_MONITOR] = "monitor",
	152	[NL80211_IFTYPE_MESH_POINT] = "mesh-point",
	153	[NL80211_IFTYPE_P2P_CLIENT] = "p2p-client",
	154	[NL80211_IFTYPE_P2P_GO] = "p2p-go",
	155	[NL80211_IFTYPE_P2P_DEVICE] = "p2p-device",
	156	[NL80211_IFTYPE_OCB] = "ocb",
	157	[NL80211_IFTYPE_NAN] = "nan",
	158	};
	159
b4d55e83	160	DEFINE_STRING_TABLE_LOOKUP(nl80211_iftype, enum nl80211_iftype);
16653f97 YW	161
	162	static const char * const nl80211_cmd_table[__NL80211_CMD_AFTER_LAST] = {
	163	[NL80211_CMD_GET_WIPHY] = "get_wiphy",
	164	[NL80211_CMD_SET_WIPHY] = "set_wiphy",
	165	[NL80211_CMD_NEW_WIPHY] = "new_wiphy",
	166	[NL80211_CMD_DEL_WIPHY] = "del_wiphy",
	167	[NL80211_CMD_GET_INTERFACE] = "get_interface",
	168	[NL80211_CMD_SET_INTERFACE] = "set_interface",
	169	[NL80211_CMD_NEW_INTERFACE] = "new_interface",
	170	[NL80211_CMD_DEL_INTERFACE] = "del_interface",
	171	[NL80211_CMD_GET_KEY] = "get_key",
	172	[NL80211_CMD_SET_KEY] = "set_key",
	173	[NL80211_CMD_NEW_KEY] = "new_key",
	174	[NL80211_CMD_DEL_KEY] = "del_key",
	175	[NL80211_CMD_GET_BEACON] = "get_beacon",
	176	[NL80211_CMD_SET_BEACON] = "set_beacon",
	177	[NL80211_CMD_START_AP] = "start_ap",
	178	[NL80211_CMD_STOP_AP] = "stop_ap",
	179	[NL80211_CMD_GET_STATION] = "get_station",
	180	[NL80211_CMD_SET_STATION] = "set_station",
	181	[NL80211_CMD_NEW_STATION] = "new_station",
	182	[NL80211_CMD_DEL_STATION] = "del_station",
	183	[NL80211_CMD_GET_MPATH] = "get_mpath",
	184	[NL80211_CMD_SET_MPATH] = "set_mpath",
	185	[NL80211_CMD_NEW_MPATH] = "new_mpath",
	186	[NL80211_CMD_DEL_MPATH] = "del_mpath",
	187	[NL80211_CMD_SET_BSS] = "set_bss",
	188	[NL80211_CMD_SET_REG] = "set_reg",
	189	[NL80211_CMD_REQ_SET_REG] = "req_set_reg",
	190	[NL80211_CMD_GET_MESH_CONFIG] = "get_mesh_config",
	191	[NL80211_CMD_SET_MESH_CONFIG] = "set_mesh_config",
	192	[NL80211_CMD_SET_MGMT_EXTRA_IE] = "set_mgmt_extra_ie",
	193	[NL80211_CMD_GET_REG] = "get_reg",
	194	[NL80211_CMD_GET_SCAN] = "get_scan",
	195	[NL80211_CMD_TRIGGER_SCAN] = "trigger_scan",
	196	[NL80211_CMD_NEW_SCAN_RESULTS] = "new_scan_results",
	197	[NL80211_CMD_SCAN_ABORTED] = "scan_aborted",
	198	[NL80211_CMD_REG_CHANGE] = "reg_change",
	199	[NL80211_CMD_AUTHENTICATE] = "authenticate",
	200	[NL80211_CMD_ASSOCIATE] = "associate",
	201	[NL80211_CMD_DEAUTHENTICATE] = "deauthenticate",
	202	[NL80211_CMD_DISASSOCIATE] = "disassociate",
	203	[NL80211_CMD_MICHAEL_MIC_FAILURE] = "michael_mic_failure",
	204	[NL80211_CMD_REG_BEACON_HINT] = "reg_beacon_hint",
	205	[NL80211_CMD_JOIN_IBSS] = "join_ibss",
	206	[NL80211_CMD_LEAVE_IBSS] = "leave_ibss",
	207	[NL80211_CMD_TESTMODE] = "testmode",
	208	[NL80211_CMD_CONNECT] = "connect",
	209	[NL80211_CMD_ROAM] = "roam",
	210	[NL80211_CMD_DISCONNECT] = "disconnect",
	211	[NL80211_CMD_SET_WIPHY_NETNS] = "set_wiphy_netns",
	212	[NL80211_CMD_GET_SURVEY] = "get_survey",
	213	[NL80211_CMD_NEW_SURVEY_RESULTS] = "new_survey_results",
	214	[NL80211_CMD_SET_PMKSA] = "set_pmksa",
	215	[NL80211_CMD_DEL_PMKSA] = "del_pmksa",
	216	[NL80211_CMD_FLUSH_PMKSA] = "flush_pmksa",
	217	[NL80211_CMD_REMAIN_ON_CHANNEL] = "remain_on_channel",
	218	[NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL] = "cancel_remain_on_channel",
	219	[NL80211_CMD_SET_TX_BITRATE_MASK] = "set_tx_bitrate_mask",
	220	[NL80211_CMD_REGISTER_FRAME] = "register_frame",
	221	[NL80211_CMD_FRAME] = "frame",
	222	[NL80211_CMD_FRAME_TX_STATUS] = "frame_tx_status",
	223	[NL80211_CMD_SET_POWER_SAVE] = "set_power_save",
	224	[NL80211_CMD_GET_POWER_SAVE] = "get_power_save",
225	[NL80211_CMD_SET_CQM] = "set_cqm",
226	[NL80211_CMD_NOTIFY_CQM] = "notify_cqm",
227	[NL80211_CMD_SET_CHANNEL] = "set_channel",
228	[NL80211_CMD_SET_WDS_PEER] = "set_wds_peer",
229	[NL80211_CMD_FRAME_WAIT_CANCEL] = "frame_wait_cancel",
230	[NL80211_CMD_JOIN_MESH] = "join_mesh",
231	[NL80211_CMD_LEAVE_MESH] = "leave_mesh",
232	[NL80211_CMD_UNPROT_DEAUTHENTICATE] = "unprot_deauthenticate",
233	[NL80211_CMD_UNPROT_DISASSOCIATE] = "unprot_disassociate",
234	[NL80211_CMD_NEW_PEER_CANDIDATE] = "new_peer_candidate",
235	[NL80211_CMD_GET_WOWLAN] = "get_wowlan",
236	[NL80211_CMD_SET_WOWLAN] = "set_wowlan",
237	[NL80211_CMD_START_SCHED_SCAN] = "start_sched_scan",
238	[NL80211_CMD_STOP_SCHED_SCAN] = "stop_sched_scan",
239	[NL80211_CMD_SCHED_SCAN_RESULTS] = "sched_scan_results",
240	[NL80211_CMD_SCHED_SCAN_STOPPED] = "sched_scan_stopped",
241	[NL80211_CMD_SET_REKEY_OFFLOAD] = "set_rekey_offload",
242	[NL80211_CMD_PMKSA_CANDIDATE] = "pmksa_candidate",
243	[NL80211_CMD_TDLS_OPER] = "tdls_oper",
244	[NL80211_CMD_TDLS_MGMT] = "tdls_mgmt",
245	[NL80211_CMD_UNEXPECTED_FRAME] = "unexpected_frame",
246	[NL80211_CMD_PROBE_CLIENT] = "probe_client",
247	[NL80211_CMD_REGISTER_BEACONS] = "register_beacons",
248	[NL80211_CMD_UNEXPECTED_4ADDR_FRAME] = "unexpected_4addr_frame",
249	[NL80211_CMD_SET_NOACK_MAP] = "set_noack_map",
250	[NL80211_CMD_CH_SWITCH_NOTIFY] = "ch_switch_notify",
251	[NL80211_CMD_START_P2P_DEVICE] = "start_p2p_device",
252	[NL80211_CMD_STOP_P2P_DEVICE] = "stop_p2p_device",
253	[NL80211_CMD_CONN_FAILED] = "conn_failed",
254	[NL80211_CMD_SET_MCAST_RATE] = "set_mcast_rate",
255	[NL80211_CMD_SET_MAC_ACL] = "set_mac_acl",
256	[NL80211_CMD_RADAR_DETECT] = "radar_detect",
257	[NL80211_CMD_GET_PROTOCOL_FEATURES] = "get_protocol_features",
258	[NL80211_CMD_UPDATE_FT_IES] = "update_ft_ies",
259	[NL80211_CMD_FT_EVENT] = "ft_event",
260	[NL80211_CMD_CRIT_PROTOCOL_START] = "crit_protocol_start",
261	[NL80211_CMD_CRIT_PROTOCOL_STOP] = "crit_protocol_stop",
262	[NL80211_CMD_GET_COALESCE] = "get_coalesce",
263	[NL80211_CMD_SET_COALESCE] = "set_coalesce",
264	[NL80211_CMD_CHANNEL_SWITCH] = "channel_switch",
265	[NL80211_CMD_VENDOR] = "vendor",
266	[NL80211_CMD_SET_QOS_MAP] = "set_qos_map",
267	[NL80211_CMD_ADD_TX_TS] = "add_tx_ts",
268	[NL80211_CMD_DEL_TX_TS] = "del_tx_ts",
269	[NL80211_CMD_GET_MPP] = "get_mpp",
270	[NL80211_CMD_JOIN_OCB] = "join_ocb",
271	[NL80211_CMD_LEAVE_OCB] = "leave_ocb",
272	[NL80211_CMD_CH_SWITCH_STARTED_NOTIFY] = "ch_switch_started_notify",
273	[NL80211_CMD_TDLS_CHANNEL_SWITCH] = "tdls_channel_switch",
274	[NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH] = "tdls_cancel_channel_switch",
275	[NL80211_CMD_WIPHY_REG_CHANGE] = "wiphy_reg_change",
276	[NL80211_CMD_ABORT_SCAN] = "abort_scan",
277	[NL80211_CMD_START_NAN] = "start_nan",
278	[NL80211_CMD_STOP_NAN] = "stop_nan",
279	[NL80211_CMD_ADD_NAN_FUNCTION] = "add_nan_function",
280	[NL80211_CMD_DEL_NAN_FUNCTION] = "del_nan_function",
281	[NL80211_CMD_CHANGE_NAN_CONFIG] = "change_nan_config",
282	[NL80211_CMD_NAN_MATCH] = "nan_match",
283	[NL80211_CMD_SET_MULTICAST_TO_UNICAST] = "set_multicast_to_unicast",
284	[NL80211_CMD_UPDATE_CONNECT_PARAMS] = "update_connect_params",
285	[NL80211_CMD_SET_PMK] = "set_pmk",
286	[NL80211_CMD_DEL_PMK] = "del_pmk",
287	[NL80211_CMD_PORT_AUTHORIZED] = "port_authorized",
288	[NL80211_CMD_RELOAD_REGDB] = "reload_regdb",
289	[NL80211_CMD_EXTERNAL_AUTH] = "external_auth",
290	[NL80211_CMD_STA_OPMODE_CHANGED] = "sta_opmode_changed",
291	[NL80211_CMD_CONTROL_PORT_FRAME] = "control_port_frame",
292	[NL80211_CMD_GET_FTM_RESPONDER_STATS] = "get_ftm_responder_stats",
293	[NL80211_CMD_PEER_MEASUREMENT_START] = "peer_measurement_start",
294	[NL80211_CMD_PEER_MEASUREMENT_RESULT] = "peer_measurement_result",
295	[NL80211_CMD_PEER_MEASUREMENT_COMPLETE] = "peer_measurement_complete",
296	[NL80211_CMD_NOTIFY_RADAR] = "notify_radar",
297	[NL80211_CMD_UPDATE_OWE_INFO] = "update_owe_info",
298	[NL80211_CMD_PROBE_MESH_LINK] = "probe_mesh_link",
299	[NL80211_CMD_SET_TID_CONFIG] = "set_tid_config",
300	[NL80211_CMD_UNPROT_BEACON] = "unprot_beacon",
301	[NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS] = "control_port_frame_tx_status",
302	[NL80211_CMD_SET_SAR_SPECS] = "set_sar_specs",
303	[NL80211_CMD_OBSS_COLOR_COLLISION] = "obss_color_collision",
304	[NL80211_CMD_COLOR_CHANGE_REQUEST] = "color_change_request",
305	[NL80211_CMD_COLOR_CHANGE_STARTED] = "color_change_started",
306	[NL80211_CMD_COLOR_CHANGE_ABORTED] = "color_change_aborted",
307	[NL80211_CMD_COLOR_CHANGE_COMPLETED] = "color_change_completed",
308	};
309
310	DEFINE_STRING_TABLE_LOOKUP_TO_STRING(nl80211_cmd, int);