[thirdparty/iw.git] / ibss.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"

static int join_ibss(struct nl80211_state *state,
		     struct nl_cb *cb,
		     struct nl_msg *msg,
		     int argc, char **argv)
{
	char *end;
	unsigned char abssid[6];
	int err;

	if (argc < 2)
		return 1;

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

	/* freq */
	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,
		    strtoul(argv[0], &end, 10));
	if (*end != '\0')
		return 1;
	argv++;
	argc--;

	if (argc && strcmp(argv[0], "fixed-freq") == 0) {
		NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
		argv++;
		argc--;
	}

	if (argc) {
		if (mac_addr_a2n(abssid, argv[0]) == 0) {
			NLA_PUT(msg, NL80211_ATTR_MAC, 6, abssid);
			argv++;
			argc--;
		}
	}

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

		argv++;
		argc--;

		err = parse_keys(msg, argv, argc);
		if (err)
			return err;
	}

	return set_interface_up(state->ifname);

 nla_put_failure:
	return -ENOSPC;
}

static int leave_ibss(struct nl80211_state *state,
		      struct nl_cb *cb,
		      struct nl_msg *msg,
		      int argc, char **argv)
{
	return 0;
}
COMMAND(ibss, leave, NULL,
	NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
	"Leave the current IBSS cell.");
COMMAND(ibss, join, "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [key d:0:abcde]",
	NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
	"Join the IBSS cell with the given SSID, if it doesn't exist create\n"
	"it on the given frequency. When fixed frequency is requested, don't\n"
	"join/create a cell on a different frequency. When a fixed BSSID is\n"
	"requested use that BSSID and do not adopt another cell's BSSID even\n"
	"if it has higher TSF and the same SSID.");
Commit	Line	Data
edea4d14 JB	1	#include <errno.h>
	2
	3	#include <netlink/genl/genl.h>
	4	#include <netlink/genl/family.h>
	5	#include <netlink/genl/ctrl.h>
	6	#include <netlink/msg.h>
	7	#include <netlink/attr.h>
	8
	9	#include "nl80211.h"
	10	#include "iw.h"
	11
	12	static int join_ibss(struct nl80211_state *state,
	13	struct nl_cb *cb,
	14	struct nl_msg *msg,
	15	int argc, char **argv)
	16	{
95940df3	17	char *end;
edea4d14	18	unsigned char abssid[6];
ded1f078	19	int err;
edea4d14	20
95940df3 JB	21	if (argc < 2)
95940df3 JB	22	return 1;
edea4d14	23
95940df3 JB	24	/* SSID */
95940df3 JB	25	NLA_PUT(msg, NL80211_ATTR_SSID, strlen(argv[0]), argv[0]);
edea4d14 JB	26	argv++;
	27	argc--;
	28
95940df3 JB	29	/* freq */
	30	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,
	31	strtoul(argv[0], &end, 10));
	32	if (*end != '\0')
	33	return 1;
	34	argv++;
	35	argc--;
edea4d14	36
95940df3 JB	37	if (argc && strcmp(argv[0], "fixed-freq") == 0) {
	38	NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
	39	argv++;
	40	argc--;
edea4d14 JB	41	}
edea4d14 JB	42
95940df3	43	if (argc) {
51e9bd80 JB	44	if (mac_addr_a2n(abssid, argv[0]) == 0) {
	45	NLA_PUT(msg, NL80211_ATTR_MAC, 6, abssid);
	46	argv++;
	47	argc--;
	48	}
edea4d14 JB	49	}
edea4d14 JB	50
ded1f078 JB	51	if (argc) {
	52	if (strcmp(argv, "key") != 0 && strcmp(argv, "keys") != 0)
	53	return 1;
51e9bd80	54
ded1f078 JB	55	argv++;
ded1f078 JB	56	argc--;
edea4d14	57
ded1f078 JB	58	err = parse_keys(msg, argv, argc);
	59	if (err)
	60	return err;
	61	}
	62
	63	return set_interface_up(state->ifname);
51e9bd80	64
edea4d14 JB	65	nla_put_failure:
	66	return -ENOSPC;
	67	}
	68
	69	static int leave_ibss(struct nl80211_state *state,
	70	struct nl_cb *cb,
	71	struct nl_msg *msg,
	72	int argc, char **argv)
	73	{
	74	return 0;
	75	}
	76	COMMAND(ibss, leave, NULL,
806bad30 JB	77	NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
806bad30 JB	78	"Leave the current IBSS cell.");
51e9bd80	79	COMMAND(ibss, join, "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>] [key d:0:abcde]",
806bad30 JB	80	NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss,
	81	"Join the IBSS cell with the given SSID, if it doesn't exist create\n"
	82	"it on the given frequency. When fixed frequency is requested, don't\n"
	83	"join/create a cell on a different frequency. When a fixed BSSID is\n"
	84	"requested use that BSSID and do not adopt another cell's BSSID even\n"
	85	"if it has higher TSF and the same SSID.");