+#ifndef _POSIX_SOURCE
+#define _POSIX_SOURCE
+#endif
#include <errno.h>
+#include <string.h>
+#include <strings.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include "nl80211.h"
#include "iw.h"
+SECTION(ibss);
+
static int join_ibss(struct nl80211_state *state,
struct nl_cb *cb,
struct nl_msg *msg,
- int argc, char **argv)
+ int argc, char **argv,
+ enum id_input id)
{
char *end;
unsigned char abssid[6];
+ unsigned char rates[NL80211_MAX_SUPP_RATES];
+ int n_rates = 0;
+ char *value = NULL, *sptr = NULL;
+ float rate;
+ int bintval;
+ int i;
+ unsigned long freq;
+ static const struct {
+ const char *name;
+ unsigned int width;
+ int freq1_diff;
+ int chantype; /* for older kernel */
+ } *chanmode_selected = NULL, chanmode[] = {
+ { .name = "HT20",
+ .width = NL80211_CHAN_WIDTH_20,
+ .freq1_diff = 0,
+ .chantype = NL80211_CHAN_HT20 },
+ { .name = "HT40+",
+ .width = NL80211_CHAN_WIDTH_40,
+ .freq1_diff = 10,
+ .chantype = NL80211_CHAN_HT40PLUS },
+ { .name = "HT40-",
+ .width = NL80211_CHAN_WIDTH_40,
+ .freq1_diff = -10,
+ .chantype = NL80211_CHAN_HT40MINUS },
+ { .name = "NOHT",
+ .width = NL80211_CHAN_WIDTH_20_NOHT,
+ .freq1_diff = 0,
+ .chantype = NL80211_CHAN_NO_HT },
+ { .name = "5MHZ",
+ .width = NL80211_CHAN_WIDTH_5,
+ .freq1_diff = 0,
+ .chantype = -1 },
+ { .name = "10MHZ",
+ .width = NL80211_CHAN_WIDTH_10,
+ .freq1_diff = 0,
+ .chantype = -1 },
+ };
if (argc < 2)
return 1;
argc--;
/* freq */
- NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ,
- strtoul(argv[0], &end, 10));
+ freq = strtoul(argv[0], &end, 10);
if (*end != '\0')
return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, freq);
argv++;
argc--;
+ if (argc) {
+ for (i = 0; i < ARRAY_SIZE(chanmode); i++) {
+ if (strcasecmp(chanmode[i].name, argv[0]) == 0) {
+ chanmode_selected = &chanmode[i];
+ break;
+ }
+ }
+ if (chanmode_selected) {
+ NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH,
+ chanmode_selected->width);
+ NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1,
+ freq + chanmode_selected->freq1_diff);
+ if (chanmode_selected->chantype != -1)
+ NLA_PUT_U32(msg,
+ NL80211_ATTR_WIPHY_CHANNEL_TYPE,
+ chanmode_selected->chantype);
+
+ argv++;
+ argc--;
+ }
+
+ }
+
if (argc && strcmp(argv[0], "fixed-freq") == 0) {
NLA_PUT_FLAG(msg, NL80211_ATTR_FREQ_FIXED);
argv++;
}
if (argc) {
- if (mac_addr_a2n(abssid, argv[0]))
+ if (mac_addr_a2n(abssid, argv[0]) == 0) {
+ NLA_PUT(msg, NL80211_ATTR_MAC, 6, abssid);
+ argv++;
+ argc--;
+ }
+ }
+
+ if (argc > 1 && strcmp(argv[0], "beacon-interval") == 0) {
+ argv++;
+ argc--;
+ bintval = strtoul(argv[0], &end, 10);
+ if (*end != '\0')
return 1;
- NLA_PUT(msg, NL80211_ATTR_MAC, 6, abssid);
+ NLA_PUT_U32(msg, NL80211_ATTR_BEACON_INTERVAL, bintval);
argv++;
argc--;
}
- if (argc)
+ /* basic rates */
+ if (argc > 1 && strcmp(argv[0], "basic-rates") == 0) {
+ argv++;
+ argc--;
+
+ value = strtok_r(argv[0], ",", &sptr);
+
+ while (value && n_rates < NL80211_MAX_SUPP_RATES) {
+ rate = strtod(value, &end);
+ rates[n_rates] = rate * 2;
+
+ /* filter out suspicious values */
+ if (*end != '\0' || !rates[n_rates] ||
+ rate*2 != rates[n_rates])
+ return 1;
+
+ n_rates++;
+ value = strtok_r(NULL, ",", &sptr);
+ }
+
+ NLA_PUT(msg, NL80211_ATTR_BSS_BASIC_RATES, n_rates, rates);
+
+ argv++;
+ argc--;
+ }
+
+ /* multicast rate */
+ if (argc > 1 && strcmp(argv[0], "mcast-rate") == 0) {
+ argv++;
+ argc--;
+
+ rate = strtod(argv[0], &end);
+ if (*end != '\0')
+ return 1;
+
+ NLA_PUT_U32(msg, NL80211_ATTR_MCAST_RATE, (int)(rate * 10));
+ argv++;
+ argc--;
+ }
+
+ if (!argc)
+ return 0;
+
+ if (strcmp(*argv, "key") != 0 && strcmp(*argv, "keys") != 0)
return 1;
- return 0;
+ argv++;
+ argc--;
+
+ return parse_keys(msg, argv, argc);
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)
+ int argc, char **argv,
+ enum id_input id)
{
return 0;
}
COMMAND(ibss, leave, NULL,
- NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss, NULL);
-COMMAND(ibss, join, "<SSID> <freq in MHz> [fixed-freq] [<fixed bssid>]",
- NL80211_CMD_JOIN_IBSS, 0, CIB_NETDEV, join_ibss, NULL);
+ NL80211_CMD_LEAVE_IBSS, 0, CIB_NETDEV, leave_ibss,
+ "Leave the current IBSS cell.");
+COMMAND(ibss, join,
+ "<SSID> <freq in MHz> [HT20|HT40+|HT40-|NOHT|5MHZ|10MHZ] [fixed-freq] [<fixed bssid>] [beacon-interval <TU>]"
+ " [basic-rates <rate in Mbps,rate2,...>] [mcast-rate <rate in Mbps>] "
+ "[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. If an IBSS is created, create\n"
+ "it with the specified basic-rates, multicast-rate and beacon-interval.");