[thirdparty/iw.git] / ap.c

#include <errno.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/msg.h>
#include <netlink/attr.h>
#include "nl80211.h"
#include "iw.h"

SECTION(ap);

static int handle_start_ap(struct nl80211_state *state,
			   struct nl_msg *msg, int argc, char **argv,
			   enum id_input id)
{
	struct chandef chandef;
	int res, parsed;
	char *end;
	int val, len;
	char buf[2304];

	if (argc < 6)
		return 1;

	/* SSID */
	NLA_PUT(msg, NL80211_ATTR_SSID, strlen(argv[0]), argv[0]);
	argv++;
	argc--;

	/* chandef */
	res = parse_freqchan(&chandef, false, argc, argv, &parsed);
	if (res)
		return res;
	argc -= parsed;
	argv += parsed;
	res = put_chandef(msg, &chandef);
	if (res)
		return res;

	/* beacon interval */
	val = strtoul(argv[0], &end, 10);
	if (*end != '\0')
		return -EINVAL;

	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, val);
	argv++;
	argc--;

	/* dtim */
	val = strtoul(argv[0], &end, 10);
	if (*end != '\0')
		return -EINVAL;

	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, val);
	argv++;
	argc--;

	if (strcmp(argv[0], "hidden-ssid") == 0) {
		argc--;
		argv++;
		NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
			    NL80211_HIDDEN_SSID_ZERO_LEN);
	} else if (strcmp(argv[0], "zeroed-ssid") == 0) {
		argc--;
		argv++;
		NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
			    NL80211_HIDDEN_SSID_ZERO_CONTENTS);
	}

	/* beacon head must be provided */
	if (strcmp(argv[0], "head") != 0)
		return 1;
	argv++;
	argc--;

	len = strlen(argv[0]);
	if (!len || (len % 2))
		return -EINVAL;

	if (!hex2bin(&argv[0][0], buf))
		return -EINVAL;

	NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, (len / 2), &buf);
	argv++;
	argc--;

	if (!argc)
		return 0;

	/* tail is optional */
	if (strcmp(argv[0], "tail") == 0) {
		argv++;
		argc--;

		if (!argc)
			return -EINVAL;

		len = strlen(argv[0]);
		if (!len || (len % 2))
			return -EINVAL;

		if (!hex2bin(&argv[0][0], buf))
			return -EINVAL;

		NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, (len / 2), &buf);
		argv++;
		argc--;
	}

	if (!argc)
		return 0;

	if (strcmp(*argv, "key") != 0 && strcmp(*argv, "keys") != 0)
		return 1;

	argv++;
	argc--;

	return parse_keys(msg, argv, argc);
 nla_put_failure:
	return -ENOSPC;
}
COMMAND(ap, start, "",
	NL80211_CMD_NEW_BEACON, 0, CIB_NETDEV, handle_start_ap,
	"<SSID> <control freq> [5|10|20|40|80|80+80|160] [<center1_freq> [<center2_freq>]]"
	" <beacon interval in TU> <DTIM period> [hidden-ssid|zeroed-ssid] head"
	" <beacon head in hexadecimal> [tail <beacon tail in hexadecimal>]"
	" [key0:abcde d:1:6162636465]\n");

static int handle_stop_ap(struct nl80211_state *state,
			  struct nl_msg *msg,
			  int argc, char **argv,
			  enum id_input id)
{
	return 0;
}
COMMAND(ap, stop, "",
	NL80211_CMD_DEL_BEACON, 0, CIB_NETDEV, handle_stop_ap,
	"Stop AP functionality\n");
Commit	Line	Data
60b6c638 IP	1	#include <errno.h>
	2	#include <netlink/genl/genl.h>
	3	#include <netlink/genl/family.h>
	4	#include <netlink/genl/ctrl.h>
	5	#include <netlink/msg.h>
	6	#include <netlink/attr.h>
	7	#include "nl80211.h"
	8	#include "iw.h"
	9
	10	SECTION(ap);
	11
	12	static int handle_start_ap(struct nl80211_state *state,
	13	struct nl_msg msg, int argc, char *argv,
	14	enum id_input id)
	15	{
26cab677 ST	16	struct chandef chandef;
26cab677 ST	17	int res, parsed;
60b6c638 IP	18	char *end;
	19	int val, len;
	20	char buf[2304];
	21
	22	if (argc < 6)
	23	return 1;
	24
	25	/* SSID */
	26	NLA_PUT(msg, NL80211_ATTR_SSID, strlen(argv[0]), argv[0]);
	27	argv++;
	28	argc--;
	29
26cab677 ST	30	/* chandef */
	31	res = parse_freqchan(&chandef, false, argc, argv, &parsed);
	32	if (res)
	33	return res;
	34	argc -= parsed;
	35	argv += parsed;
	36	res = put_chandef(msg, &chandef);
	37	if (res)
	38	return res;
60b6c638 IP	39
	40	/* beacon interval */
	41	val = strtoul(argv[0], &end, 10);
	42	if (*end != '\0')
	43	return -EINVAL;
	44
	45	NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, val);
	46	argv++;
	47	argc--;
	48
	49	/* dtim */
	50	val = strtoul(argv[0], &end, 10);
	51	if (*end != '\0')
	52	return -EINVAL;
	53
	54	NLA_PUT_U32(msg, NL80211_ATTR_DTIM_PERIOD, val);
	55	argv++;
	56	argc--;
	57
ab50848f JB	58	if (strcmp(argv[0], "hidden-ssid") == 0) {
	59	argc--;
	60	argv++;
	61	NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
	62	NL80211_HIDDEN_SSID_ZERO_LEN);
	63	} else if (strcmp(argv[0], "zeroed-ssid") == 0) {
	64	argc--;
	65	argv++;
	66	NLA_PUT_U32(msg, NL80211_ATTR_HIDDEN_SSID,
	67	NL80211_HIDDEN_SSID_ZERO_CONTENTS);
	68	}
	69
60b6c638 IP	70	/* beacon head must be provided */
60b6c638 IP	71	if (strcmp(argv[0], "head") != 0)
c91fdbec	72	return 1;
60b6c638 IP	73	argv++;
	74	argc--;
	75
	76	len = strlen(argv[0]);
	77	if (!len \|\| (len % 2))
	78	return -EINVAL;
	79
	80	if (!hex2bin(&argv[0][0], buf))
	81	return -EINVAL;
	82
	83	NLA_PUT(msg, NL80211_ATTR_BEACON_HEAD, (len / 2), &buf);
	84	argv++;
	85	argc--;
	86
	87	if (!argc)
	88	return 0;
	89
	90	/* tail is optional */
	91	if (strcmp(argv[0], "tail") == 0) {
	92	argv++;
	93	argc--;
	94
	95	if (!argc)
	96	return -EINVAL;
	97
	98	len = strlen(argv[0]);
	99	if (!len \|\| (len % 2))
	100	return -EINVAL;
	101
	102	if (!hex2bin(&argv[0][0], buf))
	103	return -EINVAL;
	104
	105	NLA_PUT(msg, NL80211_ATTR_BEACON_TAIL, (len / 2), &buf);
	106	argv++;
	107	argc--;
	108	}
	109
	110	if (!argc)
	111	return 0;
	112
	113	if (strcmp(argv, "key") != 0 && strcmp(argv, "keys") != 0)
	114	return 1;
	115
	116	argv++;
	117	argc--;
	118
	119	return parse_keys(msg, argv, argc);
	120	nla_put_failure:
	121	return -ENOSPC;
	122	}
	123	COMMAND(ap, start, "",
	124	NL80211_CMD_NEW_BEACON, 0, CIB_NETDEV, handle_start_ap,
26cab677	125	"<SSID> <control freq> [5\|10\|20\|40\|80\|80+80\|160] [<center1_freq> [<center2_freq>]]"
ab50848f	126	" <beacon interval in TU> <DTIM period> [hidden-ssid\|zeroed-ssid] head"
26cab677	127	" <beacon head in hexadecimal> [tail <beacon tail in hexadecimal>]"
60b6c638 IP	128	" [key0:abcde d:1:6162636465]\n");
	129
	130	static int handle_stop_ap(struct nl80211_state *state,
	131	struct nl_msg *msg,
	132	int argc, char **argv,
	133	enum id_input id)
	134	{
	135	return 0;
	136	}
	137	COMMAND(ap, stop, "",
	138	NL80211_CMD_DEL_BEACON, 0, CIB_NETDEV, handle_stop_ap,
	139	"Stop AP functionality\n");