event.c

   1 #include <stdint.h>
   2 #include <stdbool.h>
   3 #include <net/if.h>
   4 #include <errno.h>
   5 #include <inttypes.h>
   6 #include <time.h>
   7 #include "iw.h"
   8
   9 static int no_seq_check(struct nl_msg *msg, void *arg)
  10 {
  11         return NL_OK;
  12 }
  13
  14 struct ieee80211_beacon_channel {
  15         __u16 center_freq;
  16         bool no_ir;
  17         bool no_ibss;
  18 };
  19
  20 static int parse_beacon_hint_chan(struct nlattr *tb,
  21                                   struct ieee80211_beacon_channel *chan)
  22 {
  23         struct nlattr *tb_freq[NL80211_FREQUENCY_ATTR_MAX + 1];
  24         static struct nla_policy beacon_freq_policy[NL80211_FREQUENCY_ATTR_MAX + 1] = {
  25                 [NL80211_FREQUENCY_ATTR_FREQ] = { .type = NLA_U32 },
  26                 [NL80211_FREQUENCY_ATTR_NO_IR] = { .type = NLA_FLAG },
  27                 [__NL80211_FREQUENCY_ATTR_NO_IBSS] = { .type = NLA_FLAG },
  28         };
  29
  30         if (nla_parse_nested(tb_freq,
  31                              NL80211_FREQUENCY_ATTR_MAX,
  32                              tb,
  33                              beacon_freq_policy))
  34                 return -EINVAL;
  35
  36         chan->center_freq = nla_get_u32(tb_freq[NL80211_FREQUENCY_ATTR_FREQ]);
  37
  38         if (tb_freq[NL80211_FREQUENCY_ATTR_NO_IR])
  39                 chan->no_ir = true;
  40         if (tb_freq[__NL80211_FREQUENCY_ATTR_NO_IBSS])
  41                 chan->no_ibss = true;
  42
  43         return 0;
  44 }
  45
  46 static void print_frame(struct print_event_args *args, struct nlattr *attr)
  47 {
  48         uint8_t *frame;
  49         size_t len;
  50         unsigned int i;
  51         char macbuf[6*3];
  52         uint16_t tmp;
  53
  54         if (!attr) {
  55                 printf(" [no frame]");
  56                 return;
  57         }
  58
  59         frame = nla_data(attr);
  60         len = nla_len(attr);
  61
  62         if (len < 26) {
  63                 printf(" [invalid frame: ");
  64                 goto print_frame;
  65         }
  66
  67         mac_addr_n2a(macbuf, frame + 10);
  68         printf(" %s -> ", macbuf);
  69         mac_addr_n2a(macbuf, frame + 4);
  70         printf("%s", macbuf);
  71
  72         switch (frame[0] & 0xfc) {
  73         case 0x10: /* assoc resp */
  74         case 0x30: /* reassoc resp */
  75                 /* status */
  76                 tmp = (frame[27] << 8) + frame[26];
  77                 printf(" status: %d: %s", tmp, get_status_str(tmp));
  78                 break;
  79         case 0x00: /* assoc req */
  80         case 0x20: /* reassoc req */
  81                 break;
  82         case 0xb0: /* auth */
  83                 /* status */
  84                 tmp = (frame[29] << 8) + frame[28];
  85                 printf(" status: %d: %s", tmp, get_status_str(tmp));
  86                 break;
  87         case 0xa0: /* disassoc */
  88         case 0xc0: /* deauth */
  89                 /* reason */
  90                 tmp = (frame[25] << 8) + frame[24];
  91                 printf(" reason %d: %s", tmp, get_reason_str(tmp));
  92                 break;
  93         }
  94
  95         if (!args->frame)
  96                 return;
  97
  98         printf(" [frame:");
  99
 100  print_frame:
 101         for (i = 0; i < len; i++)
 102                 printf(" %.02x", frame[i]);
 103         printf("]");
 104 }
 105
 106 static void parse_cqm_event(struct nlattr **attrs)
 107 {
 108         static struct nla_policy cqm_policy[NL80211_ATTR_CQM_MAX + 1] = {
 109                 [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 },
 110                 [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 },
 111                 [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 },
 112         };
 113         struct nlattr *cqm[NL80211_ATTR_CQM_MAX + 1];
 114         struct nlattr *cqm_attr = attrs[NL80211_ATTR_CQM];
 115
 116         printf("CQM event: ");
 117
 118         if (!cqm_attr ||
 119             nla_parse_nested(cqm, NL80211_ATTR_CQM_MAX, cqm_attr, cqm_policy)) {
 120                 printf("missing data!\n");
 121                 return;
 122         }
 123
 124         if (cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]) {
 125                 enum nl80211_cqm_rssi_threshold_event rssi_event;
 126                 int32_t rssi_level = -1;
 127                 bool found_one = false;
 128
 129                 rssi_event = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT]);
 130                 if (cqm[NL80211_ATTR_CQM_RSSI_LEVEL])
 131                         rssi_level = nla_get_u32(cqm[NL80211_ATTR_CQM_RSSI_LEVEL]);
 132
 133                 switch (rssi_event) {
 134                 case NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH:
 135                         printf("RSSI (%i dBm) went above threshold\n", rssi_level);
 136                         found_one = true;
 137                         break;
 138                 case NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW:
 139                         printf("RSSI (%i dBm) went below threshold\n", rssi_level);
 140                         found_one = true;
 141                         break;
 142                 case NL80211_CQM_RSSI_BEACON_LOSS_EVENT:
 143                         printf("Beacon loss detected\n");
 144                         found_one = true;
 145                         break;
 146                 }
 147
 148                 if (!found_one)
 149                         printf("Unknown event type: %i\n", rssi_event);
 150         } else if (cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]) {
 151                 if (attrs[NL80211_ATTR_MAC]) {
 152                         uint32_t frames;
 153                         char buf[3*6];
 154
 155                         frames = nla_get_u32(cqm[NL80211_ATTR_CQM_PKT_LOSS_EVENT]);
 156                         mac_addr_n2a(buf, nla_data(attrs[NL80211_ATTR_MAC]));
 157                         printf("peer %s didn't ACK %d packets\n", buf, frames);
 158                 } else {
 159                         printf("PKT-LOSS-EVENT did not have MAC attribute!\n");
 160                 }
 161         } else if (cqm[NL80211_ATTR_CQM_BEACON_LOSS_EVENT]) {
 162                 printf("beacon loss\n");
 163         } else {
 164                 printf("unknown event\n");
 165         }
 166 }
 167
 168 static const char * key_type_str(enum nl80211_key_type key_type)
 169 {
 170         static char buf[30];
 171         switch (key_type) {
 172         case NL80211_KEYTYPE_GROUP:
 173                 return "Group";
 174         case NL80211_KEYTYPE_PAIRWISE:
 175                 return "Pairwise";
 176         case NL80211_KEYTYPE_PEERKEY:
 177                 return "PeerKey";
 178         default:
 179                 snprintf(buf, sizeof(buf), "unknown(%d)", key_type);
 180                 return buf;
 181         }
 182 }
 183
 184 static void parse_mic_failure(struct nlattr **attrs)
 185 {
 186         printf("Michael MIC failure event:");
 187
 188         if (attrs[NL80211_ATTR_MAC]) {
 189                 char addr[3 * ETH_ALEN];
 190                 mac_addr_n2a(addr, nla_data(attrs[NL80211_ATTR_MAC]));
 191                 printf(" source MAC address %s", addr);
 192         }
 193
 194         if (attrs[NL80211_ATTR_KEY_SEQ] &&
 195             nla_len(attrs[NL80211_ATTR_KEY_SEQ]) == 6) {
 196                 unsigned char *seq = nla_data(attrs[NL80211_ATTR_KEY_SEQ]);
 197                 printf(" seq=%02x%02x%02x%02x%02x%02x",
 198                        seq[0], seq[1], seq[2], seq[3], seq[4], seq[5]);
 199         }
 200         if (attrs[NL80211_ATTR_KEY_TYPE]) {
 201                 enum nl80211_key_type key_type =
 202                         nla_get_u32(attrs[NL80211_ATTR_KEY_TYPE]);
 203                 printf(" Key Type %s", key_type_str(key_type));
 204         }
 205
 206         if (attrs[NL80211_ATTR_KEY_IDX]) {
 207                 __u8 key_id = nla_get_u8(attrs[NL80211_ATTR_KEY_IDX]);
 208                 printf(" Key Id %d", key_id);
 209         }
 210
 211         printf("\n");
 212 }
 213
 214 static void parse_wowlan_wake_event(struct nlattr **attrs)
 215 {
 216         struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG],
 217                 *tb_match[NUM_NL80211_ATTR];
 218
 219         printf("WoWLAN wakeup\n");
 220         if (!attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) {
 221                 printf("\twakeup not due to WoWLAN\n");
 222                 return;
 223         }
 224
 225         nla_parse(tb, MAX_NL80211_WOWLAN_TRIG,
 226                   nla_data(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]),
 227                   nla_len(attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), NULL);
 228
 229         if (tb[NL80211_WOWLAN_TRIG_DISCONNECT])
 230                 printf("\t* was disconnected\n");
 231         if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT])
 232                 printf("\t* magic packet received\n");
 233         if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN])
 234                 printf("\t* pattern index: %u\n",
 235                        nla_get_u32(tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]));
 236         if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE])
 237                 printf("\t* GTK rekey failure\n");
 238         if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST])
 239                 printf("\t* EAP identity request\n");
 240         if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE])
 241                 printf("\t* 4-way handshake\n");
 242         if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE])
 243                 printf("\t* RF-kill released\n");
 244         if (tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS]) {
 245                 struct nlattr *match, *freq;
 246                 int rem_nst, rem_nst2;
 247
 248                 printf("\t* network detected\n");
 249                 nla_for_each_nested(match,
 250                                     tb[NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS],
 251                                     rem_nst) {
 252                         nla_parse_nested(tb_match, NL80211_ATTR_MAX, match,
 253                                          NULL);
 254                         printf("\t\tSSID: \"");
 255                         print_ssid_escaped(nla_len(tb_match[NL80211_ATTR_SSID]),
 256                                            nla_data(tb_match[NL80211_ATTR_SSID]));
 257                         printf("\"");
 258                         if (tb_match[NL80211_ATTR_SCAN_FREQUENCIES]) {
 259                                 printf(" freq(s):");
 260                                 nla_for_each_nested(freq,
 261                                                     tb_match[NL80211_ATTR_SCAN_FREQUENCIES],
 262                                                     rem_nst2)
 263                                         printf(" %d", nla_get_u32(freq));
 264                         }
 265                         printf("\n");
 266                 }
 267         }
 268         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]) {
 269                 uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
 270                 int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211]);
 271                 int i;
 272                 printf("\t* packet (might be truncated): ");
 273                 for (i = 0; i < l; i++) {
 274                         if (i > 0)
 275                                 printf(":");
 276                         printf("%.2x", d[i]);
 277                 }
 278                 printf("\n");
 279         }
 280         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]) {
 281                 uint8_t *d = nla_data(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
 282                 int l = nla_len(tb[NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023]);
 283                 int i;
 284                 printf("\t* packet (might be truncated): ");
 285                 for (i = 0; i < l; i++) {
 286                         if (i > 0)
 287                                 printf(":");
 288                         printf("%.2x", d[i]);
 289                 }
 290                 printf("\n");
 291         }
 292         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH])
 293                 printf("\t* TCP connection wakeup received\n");
 294         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST])
 295                 printf("\t* TCP connection lost\n");
 296         if (tb[NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS])
 297                 printf("\t* TCP connection ran out of tokens\n");
 298 }
 299
 300 extern struct vendor_event *__start_vendor_event[];
 301 extern struct vendor_event *__stop_vendor_event;
 302
 303 // Dummy to force the section to exist
 304 VENDOR_EVENT(0xffffffff, 0xffffffff, NULL);
 305
 306 static void parse_vendor_event(struct nlattr **attrs, bool dump)
 307 {
 308         __u32 vendor_id, subcmd;
 309         unsigned int i;
 310
 311         if (!attrs[NL80211_ATTR_VENDOR_ID] ||
 312             !attrs[NL80211_ATTR_VENDOR_SUBCMD])
 313                 return;
 314
 315         vendor_id = nla_get_u32(attrs[NL80211_ATTR_VENDOR_ID]);
 316         subcmd = nla_get_u32(attrs[NL80211_ATTR_VENDOR_SUBCMD]);
 317
 318         printf("vendor event %.6x:%d", vendor_id, subcmd);
 319
 320         for (i = 0; i < &__stop_vendor_event - __start_vendor_event; i++) {
 321                 struct vendor_event *ev = __start_vendor_event[i];
 322
 323                 if (!ev)
 324                         continue;
 325
 326                 if (ev->vendor_id != vendor_id)
 327                         continue;
 328                 if (ev->subcmd != subcmd)
 329                         continue;
 330                 if (!ev->callback)
 331                         continue;
 332
 333                 ev->callback(vendor_id, subcmd, attrs[NL80211_ATTR_VENDOR_DATA]);
 334                 goto out;
 335         }
 336
 337         if (dump && attrs[NL80211_ATTR_VENDOR_DATA])
 338                 iw_hexdump("vendor event",
 339                            nla_data(attrs[NL80211_ATTR_VENDOR_DATA]),
 340                            nla_len(attrs[NL80211_ATTR_VENDOR_DATA]));
 341 out:
 342         printf("\n");
 343 }
 344
 345 static void parse_nan_term(struct nlattr **attrs)
 346 {
 347         struct nlattr *func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 348
 349         static struct nla_policy
 350                 nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
 351                 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
 352                 [NL80211_NAN_FUNC_SERVICE_ID] = { },
 353                 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
 354                 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
 355                 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
 356                 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
 357                 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
 358                 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { },
 359                 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
 360                 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
 361                 [NL80211_NAN_FUNC_SERVICE_INFO] = { },
 362                 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
 363                 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
 364                 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
 365                 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8},
 366         };
 367
 368         if (!attrs[NL80211_ATTR_COOKIE]) {
 369                 printf("Bad NAN func termination format - cookie is missing\n");
 370                 return;
 371         }
 372
 373         if (nla_parse_nested(func, NL80211_NAN_FUNC_ATTR_MAX,
 374                              attrs[NL80211_ATTR_NAN_FUNC],
 375                              nan_func_policy)) {
 376                 printf("NAN: failed to parse nan func\n");
 377                 return;
 378         }
 379
 380         if (!func[NL80211_NAN_FUNC_INSTANCE_ID]) {
 381                 printf("Bad NAN func termination format-instance id missing\n");
 382                 return;
 383         }
 384
 385         if (!func[NL80211_NAN_FUNC_TERM_REASON]) {
 386                 printf("Bad NAN func termination format - reason is missing\n");
 387                 return;
 388         }
 389         printf("NAN(cookie=0x%llx): Termination event: id = %d, reason = ",
 390                (long long int)nla_get_u64(attrs[NL80211_ATTR_COOKIE]),
 391                nla_get_u8(func[NL80211_NAN_FUNC_INSTANCE_ID]));
 392         switch (nla_get_u8(func[NL80211_NAN_FUNC_TERM_REASON])) {
 393         case NL80211_NAN_FUNC_TERM_REASON_USER_REQUEST:
 394                 printf("user request\n");
 395                 break;
 396         case NL80211_NAN_FUNC_TERM_REASON_TTL_EXPIRED:
 397                 printf("expired\n");
 398                 break;
 399         case NL80211_NAN_FUNC_TERM_REASON_ERROR:
 400                 printf("error\n");
 401                 break;
 402         default:
 403                 printf("unknown\n");
 404         }
 405 }
 406
 407 static const char *ftm_fail_reason(unsigned int reason)
 408 {
 409 #define FTM_FAIL_REASON(x) case NL80211_PMSR_FTM_FAILURE_##x: return #x
 410         switch (reason) {
 411         FTM_FAIL_REASON(UNSPECIFIED);
 412         FTM_FAIL_REASON(NO_RESPONSE);
 413         FTM_FAIL_REASON(REJECTED);
 414         FTM_FAIL_REASON(WRONG_CHANNEL);
 415         FTM_FAIL_REASON(PEER_NOT_CAPABLE);
 416         FTM_FAIL_REASON(INVALID_TIMESTAMP);
 417         FTM_FAIL_REASON(PEER_BUSY);
 418         FTM_FAIL_REASON(BAD_CHANGED_PARAMS);
 419         default:
 420                 return "unknown";
 421         }
 422 }
 423
 424 static void parse_pmsr_ftm_data(struct nlattr *data)
 425 {
 426         struct nlattr *ftm[NL80211_PMSR_FTM_RESP_ATTR_MAX + 1];
 427
 428         printf("    FTM");
 429         nla_parse_nested(ftm, NL80211_PMSR_FTM_RESP_ATTR_MAX, data, NULL);
 430
 431         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON]) {
 432                 printf(" failed: %s (%d)",
 433                        ftm_fail_reason(nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON])),
 434                        nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_FAIL_REASON]));
 435                 if (ftm[NL80211_PMSR_FTM_RESP_ATTR_BUSY_RETRY_TIME])
 436                         printf(" retry after %us",
 437                                nla_get_u32(ftm[NL80211_PMSR_FTM_RESP_ATTR_BUSY_RETRY_TIME]));
 438                 printf("\n");
 439                 return;
 440         }
 441
 442         printf("\n");
 443
 444 #define PFTM(tp, attr, sign)                                                    \
 445         do {                                                                    \
 446                 if (ftm[NL80211_PMSR_FTM_RESP_ATTR_##attr])                     \
 447                         printf("      " #attr ": %lld\n",                       \
 448                                (sign long long)nla_get_##tp(                    \
 449                                 ftm[NL80211_PMSR_FTM_RESP_ATTR_##attr]));       \
 450         } while (0)
 451
 452         PFTM(u32, BURST_INDEX, unsigned);
 453         PFTM(u32, NUM_FTMR_ATTEMPTS, unsigned);
 454         PFTM(u32, NUM_FTMR_SUCCESSES, unsigned);
 455         PFTM(u8, NUM_BURSTS_EXP, unsigned);
 456         PFTM(u8, BURST_DURATION, unsigned);
 457         PFTM(u8, FTMS_PER_BURST, unsigned);
 458         PFTM(u32, RSSI_AVG, signed);
 459         PFTM(u32, RSSI_SPREAD, unsigned);
 460         PFTM(u64, RTT_AVG, signed);
 461         PFTM(u64, RTT_VARIANCE, unsigned);
 462         PFTM(u64, RTT_SPREAD, unsigned);
 463         PFTM(u64, DIST_AVG, signed);
 464         PFTM(u64, DIST_VARIANCE, unsigned);
 465         PFTM(u64, DIST_SPREAD, unsigned);
 466
 467         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_TX_RATE]) {
 468                 char buf[100];
 469
 470                 parse_bitrate(ftm[NL80211_PMSR_FTM_RESP_ATTR_TX_RATE],
 471                               buf, sizeof(buf));
 472                 printf("      TX bitrate: %s\n", buf);
 473         }
 474
 475         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_RX_RATE]) {
 476                 char buf[100];
 477
 478                 parse_bitrate(ftm[NL80211_PMSR_FTM_RESP_ATTR_RX_RATE],
 479                               buf, sizeof(buf));
 480                 printf("      RX bitrate: %s\n", buf);
 481         }
 482
 483         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI])
 484                 iw_hexdump("      LCI",
 485                            nla_data(ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI]),
 486                            nla_len(ftm[NL80211_PMSR_FTM_RESP_ATTR_LCI]));
 487
 488         if (ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC])
 489                 iw_hexdump("      civic location",
 490                            nla_data(ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC]),
 491                            nla_len(ftm[NL80211_PMSR_FTM_RESP_ATTR_CIVICLOC]));
 492 }
 493
 494 static const char *pmsr_status(unsigned int status)
 495 {
 496 #define PMSR_STATUS(x) case NL80211_PMSR_STATUS_##x: return #x
 497         switch (status) {
 498         PMSR_STATUS(SUCCESS);
 499         PMSR_STATUS(REFUSED);
 500         PMSR_STATUS(TIMEOUT);
 501         PMSR_STATUS(FAILURE);
 502         default:
 503                 return "unknown";
 504         }
 505 #undef PMSR_STATUS
 506 }
 507
 508 static void parse_pmsr_peer(struct nlattr *peer)
 509 {
 510         struct nlattr *tb[NL80211_PMSR_PEER_ATTR_MAX + 1];
 511         struct nlattr *resp[NL80211_PMSR_RESP_ATTR_MAX + 1];
 512         struct nlattr *data[NL80211_PMSR_TYPE_MAX + 1];
 513         char macbuf[6*3];
 514         int err;
 515
 516         err = nla_parse_nested(tb, NL80211_PMSR_PEER_ATTR_MAX, peer, NULL);
 517         if (err) {
 518                 printf("  Peer: failed to parse!\n");
 519                 return;
 520         }
 521
 522         if (!tb[NL80211_PMSR_PEER_ATTR_ADDR]) {
 523                 printf("  Peer: no MAC address\n");
 524                 return;
 525         }
 526
 527         mac_addr_n2a(macbuf, nla_data(tb[NL80211_PMSR_PEER_ATTR_ADDR]));
 528         printf("  Peer %s:", macbuf);
 529
 530         if (!tb[NL80211_PMSR_PEER_ATTR_RESP]) {
 531                 printf(" no response!\n");
 532                 return;
 533         }
 534
 535         err = nla_parse_nested(resp, NL80211_PMSR_RESP_ATTR_MAX,
 536                                tb[NL80211_PMSR_PEER_ATTR_RESP], NULL);
 537         if (err) {
 538                 printf(" failed to parse response!\n");
 539                 return;
 540         }
 541
 542         if (resp[NL80211_PMSR_RESP_ATTR_STATUS])
 543                 printf(" status=%d (%s)",
 544                        nla_get_u32(resp[NL80211_PMSR_RESP_ATTR_STATUS]),
 545                        pmsr_status(nla_get_u32(resp[NL80211_PMSR_RESP_ATTR_STATUS])));
 546         if (resp[NL80211_PMSR_RESP_ATTR_HOST_TIME])
 547                 printf(" @%llu",
 548                        (unsigned long long)nla_get_u64(resp[NL80211_PMSR_RESP_ATTR_HOST_TIME]));
 549         if (resp[NL80211_PMSR_RESP_ATTR_AP_TSF])
 550                 printf(" tsf=%llu",
 551                        (unsigned long long)nla_get_u64(resp[NL80211_PMSR_RESP_ATTR_AP_TSF]));
 552         if (resp[NL80211_PMSR_RESP_ATTR_FINAL])
 553                 printf(" (final)");
 554
 555         if (!resp[NL80211_PMSR_RESP_ATTR_DATA]) {
 556                 printf(" - no data!\n");
 557                 return;
 558         }
 559
 560         printf("\n");
 561
 562         nla_parse_nested(data, NL80211_PMSR_TYPE_MAX,
 563                          resp[NL80211_PMSR_RESP_ATTR_DATA], NULL);
 564
 565         if (data[NL80211_PMSR_TYPE_FTM])
 566                 parse_pmsr_ftm_data(data[NL80211_PMSR_TYPE_FTM]);
 567 }
 568
 569 static void parse_pmsr_result(struct nlattr **tb,
 570                               struct print_event_args *pargs)
 571 {
 572         struct nlattr *pmsr[NL80211_PMSR_ATTR_MAX + 1];
 573         struct nlattr *peer;
 574         unsigned long long cookie;
 575         int err, i;
 576
 577         if (!tb[NL80211_ATTR_COOKIE]) {
 578                 printf("Peer measurements: no cookie!\n");
 579                 return;
 580         }
 581         cookie = nla_get_u64(tb[NL80211_ATTR_COOKIE]);
 582
 583         if (!tb[NL80211_ATTR_PEER_MEASUREMENTS]) {
 584                 printf("Peer measurements: no measurement data!\n");
 585                 return;
 586         }
 587
 588         err = nla_parse_nested(pmsr, NL80211_PMSR_ATTR_MAX,
 589                                tb[NL80211_ATTR_PEER_MEASUREMENTS], NULL);
 590         if (err) {
 591                 printf("Peer measurements: failed to parse measurement data!\n");
 592                 return;
 593         }
 594
 595         if (!pmsr[NL80211_PMSR_ATTR_PEERS]) {
 596                 printf("Peer measurements: no peer data!\n");
 597                 return;
 598         }
 599
 600         printf("Peer measurements (cookie %llu):\n", cookie);
 601
 602         nla_for_each_nested(peer, pmsr[NL80211_PMSR_ATTR_PEERS], i)
 603                 parse_pmsr_peer(peer);
 604 }
 605
 606 static void parse_nan_match(struct nlattr **attrs)
 607 {
 608         char macbuf[6*3];
 609         __u64 cookie;
 610         struct nlattr *match[NL80211_NAN_MATCH_ATTR_MAX + 1];
 611         struct nlattr *local_func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 612         struct nlattr *peer_func[NL80211_NAN_FUNC_ATTR_MAX + 1];
 613
 614         static struct nla_policy
 615                 nan_match_policy[NL80211_NAN_MATCH_ATTR_MAX + 1] = {
 616                 [NL80211_NAN_MATCH_FUNC_LOCAL] = { .type = NLA_NESTED },
 617                 [NL80211_NAN_MATCH_FUNC_PEER] = { .type = NLA_NESTED },
 618         };
 619
 620         static struct nla_policy
 621                 nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = {
 622                 [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 },
 623                 [NL80211_NAN_FUNC_SERVICE_ID] = { },
 624                 [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 },
 625                 [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG },
 626                 [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG },
 627                 [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 },
 628                 [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 },
 629                 [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { },
 630                 [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG },
 631                 [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 },
 632                 [NL80211_NAN_FUNC_SERVICE_INFO] = { },
 633                 [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED },
 634                 [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED },
 635                 [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED },
 636                 [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8},
 637         };
 638
 639         cookie = nla_get_u64(attrs[NL80211_ATTR_COOKIE]);
 640         mac_addr_n2a(macbuf, nla_data(attrs[NL80211_ATTR_MAC]));
 641
 642         if (nla_parse_nested(match, NL80211_NAN_MATCH_ATTR_MAX,
 643                              attrs[NL80211_ATTR_NAN_MATCH],
 644                              nan_match_policy)) {
 645                 printf("NAN: failed to parse nan match event\n");
 646                 return;
 647         }
 648
 649         if (nla_parse_nested(local_func, NL80211_NAN_FUNC_ATTR_MAX,
 650                              match[NL80211_NAN_MATCH_FUNC_LOCAL],
 651                              nan_func_policy)) {
 652                 printf("NAN: failed to parse nan local func\n");
 653                 return;
 654         }
 655
 656         if (nla_parse_nested(peer_func, NL80211_NAN_FUNC_ATTR_MAX,
 657                               match[NL80211_NAN_MATCH_FUNC_PEER],
 658                               nan_func_policy)) {
 659                 printf("NAN: failed to parse nan local func\n");
 660                 return;
 661         }
 662
 663         if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 664             NL80211_NAN_FUNC_PUBLISH) {
 665                 printf(
 666                        "NAN(cookie=0x%llx): DiscoveryResult, peer_id=%d, local_id=%d, peer_mac=%s",
 667                        cookie,
 668                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 669                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 670                        macbuf);
 671                 if (peer_func[NL80211_NAN_FUNC_SERVICE_INFO])
 672                         printf(", info=%.*s",
 673                                    nla_len(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]),
 674                                (char *)nla_data(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]));
 675         } else if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 676                    NL80211_NAN_FUNC_SUBSCRIBE) {
 677                 printf(
 678                        "NAN(cookie=0x%llx): Replied, peer_id=%d, local_id=%d, peer_mac=%s",
 679                        cookie,
 680                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 681                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 682                        macbuf);
 683         } else if (nla_get_u8(peer_func[NL80211_NAN_FUNC_TYPE]) ==
 684                    NL80211_NAN_FUNC_FOLLOW_UP) {
 685                 printf(
 686                        "NAN(cookie=0x%llx): FollowUpReceive, peer_id=%d, local_id=%d, peer_mac=%s",
 687                        cookie,
 688                        nla_get_u8(peer_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 689                        nla_get_u8(local_func[NL80211_NAN_FUNC_INSTANCE_ID]),
 690                        macbuf);
 691                 if (peer_func[NL80211_NAN_FUNC_SERVICE_INFO])
 692                         printf(", info=%.*s",
 693                                nla_len(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]),
 694                                (char *)nla_data(peer_func[NL80211_NAN_FUNC_SERVICE_INFO]));
 695         } else {
 696                 printf("NaN: Malformed event");
 697         }
 698
 699         printf("\n");
 700 }
 701
 702 static void parse_new_peer_candidate(struct nlattr **attrs)
 703 {
 704         char macbuf[ETH_ALEN * 3];
 705         int32_t sig_dbm;
 706
 707         printf("new peer candidate");
 708         if (attrs[NL80211_ATTR_MAC]) {
 709                 mac_addr_n2a(macbuf, nla_data(attrs[NL80211_ATTR_MAC]));
 710                 printf(" %s", macbuf);
 711         }
 712         if (attrs[NL80211_ATTR_RX_SIGNAL_DBM]) {
 713                 sig_dbm = nla_get_u32(attrs[NL80211_ATTR_RX_SIGNAL_DBM]);
 714                 printf(" %d dBm", sig_dbm);
 715         }
 716
 717         printf("\n");
 718 }
 719
 720 static void parse_recv_interface(struct nlattr **attrs, int command)
 721 {
 722         switch (command) {
 723         case NL80211_CMD_NEW_INTERFACE:
 724                 printf("new interface");
 725                 break;
 726         case NL80211_CMD_DEL_INTERFACE:
 727                 printf("del interface");
 728                 break;
 729         case NL80211_CMD_SET_INTERFACE:
 730                 printf("set interface");
 731                 break;
 732         default:
 733                 printf("unknown interface command (%i) received\n", command);
 734                 return;
 735         }
 736
 737         if (attrs[NL80211_ATTR_IFTYPE]) {
 738                 printf(" type ");
 739                 switch (nla_get_u32(attrs[NL80211_ATTR_IFTYPE])) {
 740                 case NL80211_IFTYPE_STATION:
 741                         printf("station");
 742                         break;
 743                 case NL80211_IFTYPE_AP:
 744                         printf("access point");
 745                         break;
 746                 case NL80211_IFTYPE_MESH_POINT:
 747                         printf("mesh point");
 748                         break;
 749                 case NL80211_IFTYPE_ADHOC:
 750                         printf("IBSS");
 751                         break;
 752                 case NL80211_IFTYPE_MONITOR:
 753                         printf("monitor");
 754                         break;
 755                 case NL80211_IFTYPE_AP_VLAN:
 756                         printf("AP-VLAN");
 757                         break;
 758                 case NL80211_IFTYPE_WDS:
 759                         printf("WDS");
 760                         break;
 761                 case NL80211_IFTYPE_P2P_CLIENT:
 762                         printf("P2P-client");
 763                         break;
 764                 case NL80211_IFTYPE_P2P_GO:
 765                         printf("P2P-GO");
 766                         break;
 767                 case NL80211_IFTYPE_P2P_DEVICE:
 768                         printf("P2P-Device");
 769                         break;
 770                 case NL80211_IFTYPE_OCB:
 771                         printf("OCB");
 772                         break;
 773                 case NL80211_IFTYPE_NAN:
 774                         printf("NAN");
 775                         break;
 776                 default:
 777                         printf("unknown (%d)",
 778                                nla_get_u32(attrs[NL80211_ATTR_IFTYPE]));
 779                         break;
 780                 }
 781         }
 782
 783         if (attrs[NL80211_ATTR_MESH_ID]) {
 784                 printf(" meshid ");
 785                 print_ssid_escaped(nla_len(attrs[NL80211_ATTR_MESH_ID]),
 786                                    nla_data(attrs[NL80211_ATTR_MESH_ID]));
 787         }
 788
 789         if (attrs[NL80211_ATTR_4ADDR]) {
 790                 printf(" use 4addr %d", nla_get_u8(attrs[NL80211_ATTR_4ADDR]));
 791         }
 792
 793         printf("\n");
 794 }
 795
 796 static void parse_sta_opmode_changed(struct nlattr **attrs)
 797 {
 798         char macbuf[ETH_ALEN*3];
 799
 800         printf("sta opmode changed");
 801
 802         if (attrs[NL80211_ATTR_MAC]) {
 803                 mac_addr_n2a(macbuf, nla_data(attrs[NL80211_ATTR_MAC]));
 804                 printf(" %s", macbuf);
 805         }
 806
 807         if (attrs[NL80211_ATTR_SMPS_MODE])
 808                 printf(" smps mode %d", nla_get_u8(attrs[NL80211_ATTR_SMPS_MODE]));
 809
 810         if (attrs[NL80211_ATTR_CHANNEL_WIDTH])
 811                 printf(" chan width %d", nla_get_u8(attrs[NL80211_ATTR_CHANNEL_WIDTH]));
 812
 813         if (attrs[NL80211_ATTR_NSS])
 814                 printf(" nss %d", nla_get_u8(attrs[NL80211_ATTR_NSS]));
 815
 816         printf("\n");
 817 }
 818
 819 static void parse_ch_switch_notify(struct nlattr **attrs, int command)
 820 {
 821         switch (command) {
 822         case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
 823                 printf("channel switch started");
 824                 break;
 825         case NL80211_CMD_CH_SWITCH_NOTIFY:
 826                 printf("channel switch");
 827                 break;
 828         default:
 829                 printf("unknown channel switch command (%i) received\n", command);
 830                 return;
 831         }
 832
 833         if (attrs[NL80211_ATTR_CH_SWITCH_COUNT])
 834                 printf(" (count=%d)", nla_get_u32(attrs[NL80211_ATTR_CH_SWITCH_COUNT]));
 835
 836         if (attrs[NL80211_ATTR_WIPHY_FREQ])
 837                 printf(" freq=%d", nla_get_u32(attrs[NL80211_ATTR_WIPHY_FREQ]));
 838
 839         if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) {
 840                 printf(" width=");
 841                 switch(nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH])) {
 842                 case NL80211_CHAN_WIDTH_20_NOHT:
 843                 case NL80211_CHAN_WIDTH_20:
 844                         printf("\"20 MHz\"");
 845                         break;
 846                 case NL80211_CHAN_WIDTH_40:
 847                         printf("\"40 MHz\"");
 848                         break;
 849                 case NL80211_CHAN_WIDTH_80:
 850                         printf("\"80 MHz\"");
 851                         break;
 852                 case NL80211_CHAN_WIDTH_80P80:
 853                         printf("\"80+80 MHz\"");
 854                         break;
 855                 case NL80211_CHAN_WIDTH_160:
 856                         printf("\"160 MHz\"");
 857                         break;
 858                 case NL80211_CHAN_WIDTH_5:
 859                         printf("\"5 MHz\"");
 860                         break;
 861                 case NL80211_CHAN_WIDTH_10:
 862                         printf("\"10 MHz\"");
 863                         break;
 864                 default:
 865                         printf("\"unknown\"");
 866                 }
 867         }
 868
 869         if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) {
 870                 printf(" type=");
 871                 switch(nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE])) {
 872                 case NL80211_CHAN_NO_HT:
 873                         printf("\"No HT\"");
 874                         break;
 875                 case NL80211_CHAN_HT20:
 876                         printf("\"HT20\"");
 877                         break;
 878                 case NL80211_CHAN_HT40MINUS:
 879                         printf("\"HT40-\"");
 880                         break;
 881                 case NL80211_CHAN_HT40PLUS:
 882                         printf("\"HT40+\"");
 883                         break;
 884                 }
 885         }
 886
 887         if (attrs[NL80211_ATTR_CENTER_FREQ1])
 888                 printf(" freq1=%d", nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]));
 889
 890         if (attrs[NL80211_ATTR_CENTER_FREQ2])
 891                 printf(" freq2=%d", nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]));
 892
 893         printf("\n");
 894 }
 895
 896 static void parse_assoc_comeback(struct nlattr **attrs, int command)
 897 {
 898         __u32 timeout = 0;
 899         char macbuf[6 * 3] = "<unset>";
 900
 901         if (attrs[NL80211_ATTR_MAC])
 902                 mac_addr_n2a(macbuf, nla_data(attrs[NL80211_ATTR_MAC]));
 903
 904         if (attrs[NL80211_ATTR_TIMEOUT])
 905                 timeout = nla_get_u32(attrs[NL80211_ATTR_TIMEOUT]);
 906
 907         printf("assoc comeback bssid %s timeout %d\n",
 908                macbuf, timeout);
 909 }
 910
 911 static int print_event(struct nl_msg *msg, void *arg)
 912 {
 913         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
 914         struct nlattr *tb[NL80211_ATTR_MAX + 1], *nst;
 915         struct print_event_args *args = arg;
 916         char ifname[100];
 917         char macbuf[6*3];
 918         __u8 reg_type;
 919         struct ieee80211_beacon_channel chan_before_beacon,  chan_after_beacon;
 920         __u32 wiphy_idx = 0;
 921         int rem_nst;
 922         __u16 status;
 923
 924         if (args->time || args->reltime || args->ctime) {
 925                 unsigned long long usecs, previous;
 926
 927                 previous = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
 928                 gettimeofday(&args->ts, NULL);
 929                 usecs = 1000000ULL * args->ts.tv_sec + args->ts.tv_usec;
 930
 931                 if (args->reltime) {
 932                         if (!args->have_ts) {
 933                                 usecs = 0;
 934                                 args->have_ts = true;
 935                         } else
 936                                 usecs -= previous;
 937                 }
 938
 939                 if (args->ctime) {
 940                         struct tm *tm = localtime(&args->ts.tv_sec);
 941                         char buf[255];
 942
 943                         memset(buf, 0, 255);
 944                         strftime(buf, sizeof(buf), "%Y-%m-%d %H:%M:%S", tm);
 945                         printf("[%s.%06lu]: ", buf, args->ts.tv_usec);
 946                 } else {
 947                         printf("%llu.%06llu: ", usecs/1000000, usecs % 1000000);
 948                 }
 949         }
 950
 951         nla_parse(tb, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
 952                   genlmsg_attrlen(gnlh, 0), NULL);
 953
 954         if (tb[NL80211_ATTR_IFINDEX] && tb[NL80211_ATTR_WIPHY]) {
 955                 /* if_indextoname may fails on delete interface/wiphy event */
 956                 if (if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname))
 957                         printf("%s (phy #%d): ", ifname, nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 958                 else
 959                         printf("phy #%d: ", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 960         } else if (tb[NL80211_ATTR_WDEV] && tb[NL80211_ATTR_WIPHY]) {
 961                 printf("wdev 0x%llx (phy #%d): ",
 962                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]),
 963                         nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 964         } else if (tb[NL80211_ATTR_IFINDEX]) {
 965                 if_indextoname(nla_get_u32(tb[NL80211_ATTR_IFINDEX]), ifname);
 966                 printf("%s: ", ifname);
 967         } else if (tb[NL80211_ATTR_WDEV]) {
 968                 printf("wdev 0x%llx: ", (unsigned long long)nla_get_u64(tb[NL80211_ATTR_WDEV]));
 969         } else if (tb[NL80211_ATTR_WIPHY]) {
 970                 printf("phy #%d: ", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
 971         }
 972
 973         switch (gnlh->cmd) {
 974         case NL80211_CMD_NEW_WIPHY:
 975                 printf("renamed to %s\n", nla_get_string(tb[NL80211_ATTR_WIPHY_NAME]));
 976                 break;
 977         case NL80211_CMD_TRIGGER_SCAN:
 978                 printf("scan started\n");
 979                 break;
 980         case NL80211_CMD_NEW_SCAN_RESULTS:
 981                 printf("scan finished:");
 982                 /* fall through */
 983         case NL80211_CMD_SCAN_ABORTED:
 984                 if (gnlh->cmd == NL80211_CMD_SCAN_ABORTED)
 985                         printf("scan aborted:");
 986                 if (tb[NL80211_ATTR_SCAN_FREQUENCIES]) {
 987                         nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_FREQUENCIES], rem_nst)
 988                                 printf(" %d", nla_get_u32(nst));
 989                         printf(",");
 990                 }
 991                 if (tb[NL80211_ATTR_SCAN_SSIDS]) {
 992                         nla_for_each_nested(nst, tb[NL80211_ATTR_SCAN_SSIDS], rem_nst) {
 993                                 printf(" \"");
 994                                 print_ssid_escaped(nla_len(nst), nla_data(nst));
 995                                 printf("\"");
 996                         }
 997                 }
 998                 printf("\n");
 999                 break;
1000         case NL80211_CMD_START_SCHED_SCAN:
1001                 printf("scheduled scan started\n");
1002                 break;
1003         case NL80211_CMD_SCHED_SCAN_STOPPED:
1004                 printf("sched scan stopped\n");
1005                 break;
1006         case NL80211_CMD_SCHED_SCAN_RESULTS:
1007                 printf("got scheduled scan results\n");
1008                 break;
1009         case NL80211_CMD_WIPHY_REG_CHANGE:
1010         case NL80211_CMD_REG_CHANGE:
1011                 if (gnlh->cmd == NL80211_CMD_WIPHY_REG_CHANGE)
1012                         printf("regulatory domain change (phy): ");
1013                 else
1014                         printf("regulatory domain change: ");
1015
1016                 reg_type = nla_get_u8(tb[NL80211_ATTR_REG_TYPE]);
1017
1018                 switch (reg_type) {
1019                 case NL80211_REGDOM_TYPE_COUNTRY:
1020                         printf("set to %s by %s request",
1021                                nla_get_string(tb[NL80211_ATTR_REG_ALPHA2]),
1022                                reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
1023                         if (tb[NL80211_ATTR_WIPHY])
1024                                 printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
1025                         break;
1026                 case NL80211_REGDOM_TYPE_WORLD:
1027                         printf("set to world roaming by %s request",
1028                                reg_initiator_to_string(nla_get_u8(tb[NL80211_ATTR_REG_INITIATOR])));
1029                         break;
1030                 case NL80211_REGDOM_TYPE_CUSTOM_WORLD:
1031                         printf("custom world roaming rules in place on phy%d by %s request",
1032                                nla_get_u32(tb[NL80211_ATTR_WIPHY]),
1033                                reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
1034                         break;
1035                 case NL80211_REGDOM_TYPE_INTERSECTION:
1036                         printf("intersection used due to a request made by %s",
1037                                reg_initiator_to_string(nla_get_u32(tb[NL80211_ATTR_REG_INITIATOR])));
1038                         if (tb[NL80211_ATTR_WIPHY])
1039                                 printf(" on phy%d", nla_get_u32(tb[NL80211_ATTR_WIPHY]));
1040                         break;
1041                 default:
1042                         printf("unknown source (upgrade this utility)");
1043                         break;
1044                 }
1045
1046                 printf("\n");
1047                 break;
1048         case NL80211_CMD_REG_BEACON_HINT:
1049
1050                 wiphy_idx = nla_get_u32(tb[NL80211_ATTR_WIPHY]);
1051
1052                 memset(&chan_before_beacon, 0, sizeof(chan_before_beacon));
1053                 memset(&chan_after_beacon, 0, sizeof(chan_after_beacon));
1054
1055                 if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_BEFORE],
1056                                            &chan_before_beacon))
1057                         break;
1058                 if (parse_beacon_hint_chan(tb[NL80211_ATTR_FREQ_AFTER],
1059                                            &chan_after_beacon))
1060                         break;
1061
1062                 if (chan_before_beacon.center_freq != chan_after_beacon.center_freq)
1063                         break;
1064
1065                 /* A beacon hint is sent _only_ if something _did_ change */
1066                 printf("beacon hint:\n");
1067
1068                 printf("phy%d %d MHz [%d]:\n",
1069                        wiphy_idx,
1070                        chan_before_beacon.center_freq,
1071                        ieee80211_frequency_to_channel(chan_before_beacon.center_freq));
1072
1073                 if (chan_before_beacon.no_ir && !chan_after_beacon.no_ir) {
1074                         if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss)
1075                                 printf("\to Initiating radiation enabled\n");
1076                         else
1077                                 printf("\to active scan enabled\n");
1078                 } else if (chan_before_beacon.no_ibss && !chan_after_beacon.no_ibss) {
1079                         printf("\to ibss enabled\n");
1080                 }
1081
1082                 break;
1083         case NL80211_CMD_NEW_STATION:
1084                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1085                 printf("new station %s\n", macbuf);
1086                 break;
1087         case NL80211_CMD_DEL_STATION:
1088                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1089                 printf("del station %s\n", macbuf);
1090                 break;
1091         case NL80211_CMD_JOIN_IBSS:
1092                 mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1093                 printf("IBSS %s joined\n", macbuf);
1094                 break;
1095         case NL80211_CMD_AUTHENTICATE:
1096                 printf("auth");
1097                 if (tb[NL80211_ATTR_FRAME])
1098                         print_frame(args, tb[NL80211_ATTR_FRAME]);
1099                 else if (tb[NL80211_ATTR_TIMED_OUT])
1100                         printf(": timed out");
1101                 else
1102                         printf(": unknown event");
1103                 printf("\n");
1104                 break;
1105         case NL80211_CMD_ASSOCIATE:
1106                 printf("assoc");
1107                 if (tb[NL80211_ATTR_FRAME])
1108                         print_frame(args, tb[NL80211_ATTR_FRAME]);
1109                 else if (tb[NL80211_ATTR_TIMED_OUT])
1110                         printf(": timed out");
1111                 else
1112                         printf(": unknown event");
1113                 printf("\n");
1114                 break;
1115         case NL80211_CMD_DEAUTHENTICATE:
1116                 printf("deauth");
1117                 print_frame(args, tb[NL80211_ATTR_FRAME]);
1118                 printf("\n");
1119                 break;
1120         case NL80211_CMD_DISASSOCIATE:
1121                 printf("disassoc");
1122                 print_frame(args, tb[NL80211_ATTR_FRAME]);
1123                 printf("\n");
1124                 break;
1125         case NL80211_CMD_UNPROT_DEAUTHENTICATE:
1126                 printf("unprotected deauth");
1127                 print_frame(args, tb[NL80211_ATTR_FRAME]);
1128                 printf("\n");
1129                 break;
1130         case NL80211_CMD_UNPROT_DISASSOCIATE:
1131                 printf("unprotected disassoc");
1132                 print_frame(args, tb[NL80211_ATTR_FRAME]);
1133                 printf("\n");
1134                 break;
1135         case NL80211_CMD_CONNECT:
1136                 status = 0;
1137                 if (tb[NL80211_ATTR_TIMED_OUT])
1138                         printf("timed out");
1139                 else if (!tb[NL80211_ATTR_STATUS_CODE])
1140                         printf("unknown connect status");
1141                 else if (nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]) == 0)
1142                         printf("connected");
1143                 else {
1144                         status = nla_get_u16(tb[NL80211_ATTR_STATUS_CODE]);
1145                         printf("failed to connect");
1146                 }
1147                 if (tb[NL80211_ATTR_MAC]) {
1148                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1149                         printf(" to %s", macbuf);
1150                 }
1151                 if (status)
1152                         printf(", status: %d: %s", status, get_status_str(status));
1153                 printf("\n");
1154                 break;
1155         case NL80211_CMD_ROAM:
1156                 printf("roamed");
1157                 if (tb[NL80211_ATTR_MAC]) {
1158                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1159                         printf(" to %s", macbuf);
1160                 }
1161                 printf("\n");
1162                 break;
1163         case NL80211_CMD_DISCONNECT:
1164                 printf("disconnected");
1165                 if (tb[NL80211_ATTR_DISCONNECTED_BY_AP])
1166                         printf(" (by AP)");
1167                 else
1168                         printf(" (local request)");
1169                 if (tb[NL80211_ATTR_REASON_CODE])
1170                         printf(" reason: %d: %s", nla_get_u16(tb[NL80211_ATTR_REASON_CODE]),
1171                                 get_reason_str(nla_get_u16(tb[NL80211_ATTR_REASON_CODE])));
1172                 printf("\n");
1173                 break;
1174         case NL80211_CMD_REMAIN_ON_CHANNEL:
1175                 printf("remain on freq %d (%dms, cookie %llx)\n",
1176                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
1177                         nla_get_u32(tb[NL80211_ATTR_DURATION]),
1178                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
1179                 break;
1180         case NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL:
1181                 printf("done with remain on freq %d (cookie %llx)\n",
1182                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
1183                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
1184                 break;
1185         case NL80211_CMD_FRAME_WAIT_CANCEL:
1186                 printf("frame wait cancel on freq %d (cookie %llx)\n",
1187                         nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]),
1188                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]));
1189                 break;
1190         case NL80211_CMD_NOTIFY_CQM:
1191                 parse_cqm_event(tb);
1192                 break;
1193         case NL80211_CMD_MICHAEL_MIC_FAILURE:
1194                 parse_mic_failure(tb);
1195                 break;
1196         case NL80211_CMD_FRAME_TX_STATUS:
1197                 printf("mgmt TX status (cookie %llx): %s\n",
1198                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
1199                         tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
1200                 break;
1201         case NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS:
1202                 printf("ctrl. port TX status (cookie %llx): %s\n",
1203                         (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
1204                         tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
1205                 break;
1206         case NL80211_CMD_PMKSA_CANDIDATE:
1207                 printf("PMKSA candidate found\n");
1208                 break;
1209         case NL80211_CMD_SET_WOWLAN:
1210                 parse_wowlan_wake_event(tb);
1211                 break;
1212         case NL80211_CMD_PROBE_CLIENT:
1213                 if (tb[NL80211_ATTR_MAC])
1214                         mac_addr_n2a(macbuf, nla_data(tb[NL80211_ATTR_MAC]));
1215                 else
1216                         strcpy(macbuf, "??");
1217                 printf("probe client %s (cookie %llx): %s\n",
1218                        macbuf,
1219                        (unsigned long long)nla_get_u64(tb[NL80211_ATTR_COOKIE]),
1220                        tb[NL80211_ATTR_ACK] ? "acked" : "no ack");
1221                 break;
1222         case NL80211_CMD_VENDOR:
1223                 parse_vendor_event(tb, args->frame);
1224                 break;
1225         case NL80211_CMD_RADAR_DETECT: {
1226                 enum nl80211_radar_event event_type;
1227                 uint32_t freq;
1228
1229                 if (!tb[NL80211_ATTR_RADAR_EVENT] ||
1230                     !tb[NL80211_ATTR_WIPHY_FREQ]) {
1231                         printf("BAD radar event\n");
1232                         break;
1233                 }
1234
1235                 freq = nla_get_u32(tb[NL80211_ATTR_WIPHY_FREQ]);
1236                 event_type = nla_get_u32(tb[NL80211_ATTR_RADAR_EVENT]);
1237
1238                 switch (event_type) {
1239                 case NL80211_RADAR_DETECTED:
1240                         printf("%d MHz: radar detected\n", freq);
1241                         break;
1242                 case NL80211_RADAR_CAC_FINISHED:
1243                         printf("%d MHz: CAC finished\n", freq);
1244                         break;
1245                 case NL80211_RADAR_CAC_ABORTED:
1246                         printf("%d MHz: CAC was aborted\n", freq);
1247                         break;
1248                 case NL80211_RADAR_NOP_FINISHED:
1249                         printf("%d MHz: NOP finished\n", freq);
1250                         break;
1251                 case NL80211_RADAR_PRE_CAC_EXPIRED:
1252                         printf("%d MHz: PRE-CAC expired\n", freq);
1253                         break;
1254                 case NL80211_RADAR_CAC_STARTED:
1255                         printf("%d MHz: CAC started\n", freq);
1256                         break;
1257                 default:
1258                         printf("%d MHz: unknown radar event\n", freq);
1259                 }
1260                 }
1261                 break;
1262         case NL80211_CMD_DEL_WIPHY:
1263                 printf("delete wiphy\n");
1264                 break;
1265         case NL80211_CMD_PEER_MEASUREMENT_RESULT:
1266                 parse_pmsr_result(tb, args);
1267                 break;
1268         case NL80211_CMD_PEER_MEASUREMENT_COMPLETE:
1269                 printf("peer measurement complete\n");
1270                 break;
1271         case NL80211_CMD_DEL_NAN_FUNCTION:
1272                 parse_nan_term(tb);
1273                 break;
1274         case NL80211_CMD_NAN_MATCH:
1275                 parse_nan_match(tb);
1276                 break;
1277         case NL80211_CMD_NEW_PEER_CANDIDATE:
1278                 parse_new_peer_candidate(tb);
1279                 break;
1280         case NL80211_CMD_NEW_INTERFACE:
1281         case NL80211_CMD_SET_INTERFACE:
1282         case NL80211_CMD_DEL_INTERFACE:
1283                 parse_recv_interface(tb, gnlh->cmd);
1284                 break;
1285         case NL80211_CMD_STA_OPMODE_CHANGED:
1286                 parse_sta_opmode_changed(tb);
1287                 break;
1288         case NL80211_CMD_STOP_AP:
1289                 printf("stop ap\n");
1290                 break;
1291         case NL80211_CMD_CH_SWITCH_STARTED_NOTIFY:
1292         case NL80211_CMD_CH_SWITCH_NOTIFY:
1293                 parse_ch_switch_notify(tb, gnlh->cmd);
1294                 break;
1295         case NL80211_CMD_ASSOC_COMEBACK: /* 147 */
1296                 parse_assoc_comeback(tb, gnlh->cmd);
1297                 break;
1298         default:
1299                 printf("unknown event %d (%s)\n",
1300                        gnlh->cmd, command_name(gnlh->cmd));
1301                 break;
1302         }
1303
1304         fflush(stdout);
1305         return NL_SKIP;
1306 }
1307
1308 struct wait_event {
1309         int n_cmds, n_prints;
1310         const __u32 *cmds;
1311         const __u32 *prints;
1312         __u32 cmd;
1313         struct print_event_args *pargs;
1314 };
1315
1316 static int wait_event(struct nl_msg *msg, void *arg)
1317 {
1318         struct wait_event *wait = arg;
1319         struct genlmsghdr *gnlh = nlmsg_data(nlmsg_hdr(msg));
1320         int i;
1321
1322         if (wait->pargs) {
1323                 for (i = 0; i < wait->n_prints; i++) {
1324                         if (gnlh->cmd == wait->prints[i])
1325                                 print_event(msg, wait->pargs);
1326                 }
1327         }
1328
1329         for (i = 0; i < wait->n_cmds; i++) {
1330                 if (gnlh->cmd == wait->cmds[i])
1331                         wait->cmd = gnlh->cmd;
1332         }
1333
1334         return NL_SKIP;
1335 }
1336
1337 int __prepare_listen_events(struct nl80211_state *state)
1338 {
1339         int mcid, ret;
1340
1341         /* Configuration multicast group */
1342         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "config");
1343         if (mcid < 0)
1344                 return mcid;
1345
1346         ret = nl_socket_add_membership(state->nl_sock, mcid);
1347         if (ret)
1348                 return ret;
1349
1350         /* Scan multicast group */
1351         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "scan");
1352         if (mcid >= 0) {
1353                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1354                 if (ret)
1355                         return ret;
1356         }
1357
1358         /* Regulatory multicast group */
1359         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "regulatory");
1360         if (mcid >= 0) {
1361                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1362                 if (ret)
1363                         return ret;
1364         }
1365
1366         /* MLME multicast group */
1367         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "mlme");
1368         if (mcid >= 0) {
1369                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1370                 if (ret)
1371                         return ret;
1372         }
1373
1374         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "vendor");
1375         if (mcid >= 0) {
1376                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1377                 if (ret)
1378                         return ret;
1379         }
1380
1381         mcid = nl_get_multicast_id(state->nl_sock, "nl80211", "nan");
1382         if (mcid >= 0) {
1383                 ret = nl_socket_add_membership(state->nl_sock, mcid);
1384                 if (ret)
1385                         return ret;
1386         }
1387
1388         return 0;
1389 }
1390
1391 __u32 __do_listen_events(struct nl80211_state *state,
1392                          const int n_waits, const __u32 *waits,
1393                          const int n_prints, const __u32 *prints,
1394                          struct print_event_args *args)
1395 {
1396         struct nl_cb *cb = nl_cb_alloc(iw_debug ? NL_CB_DEBUG : NL_CB_DEFAULT);
1397         struct wait_event wait_ev;
1398
1399         if (!cb) {
1400                 fprintf(stderr, "failed to allocate netlink callbacks\n");
1401                 return -ENOMEM;
1402         }
1403
1404         /* no sequence checking for multicast messages */
1405         nl_cb_set(cb, NL_CB_SEQ_CHECK, NL_CB_CUSTOM, no_seq_check, NULL);
1406         nl_cb_set(cb, NL_CB_VALID, NL_CB_CUSTOM, valid_handler, NULL);
1407
1408         if (n_waits && waits) {
1409                 wait_ev.cmds = waits;
1410                 wait_ev.n_cmds = n_waits;
1411                 wait_ev.prints = prints;
1412                 wait_ev.n_prints = n_prints;
1413                 wait_ev.pargs = args;
1414                 register_handler(wait_event, &wait_ev);
1415         } else
1416                 register_handler(print_event, args);
1417
1418         wait_ev.cmd = 0;
1419
1420         while (!wait_ev.cmd)
1421                 nl_recvmsgs(state->nl_sock, cb);
1422
1423         nl_cb_put(cb);
1424
1425         return wait_ev.cmd;
1426 }
1427
1428 __u32 listen_events(struct nl80211_state *state,
1429                     const int n_waits, const __u32 *waits)
1430 {
1431         int ret;
1432
1433         ret = __prepare_listen_events(state);
1434         if (ret)
1435                 return ret;
1436
1437         return __do_listen_events(state, n_waits, waits, 0, NULL, NULL);
1438 }
1439
1440 static int print_events(struct nl80211_state *state,
1441                         struct nl_msg *msg,
1442                         int argc, char **argv,
1443                         enum id_input id)
1444 {
1445         struct print_event_args args;
1446         int num_time_formats = 0;
1447         int ret;
1448
1449         memset(&args, 0, sizeof(args));
1450
1451         argc--;
1452         argv++;
1453
1454         while (argc > 0) {
1455                 if (strcmp(argv[0], "-f") == 0)
1456                         args.frame = true;
1457                 else if (strcmp(argv[0], "-t") == 0) {
1458                         num_time_formats++;
1459                         args.time = true;
1460                 } else if (strcmp(argv[0], "-T") == 0) {
1461                         num_time_formats++;
1462                         args.ctime = true;
1463                 } else if (strcmp(argv[0], "-r") == 0) {
1464                         num_time_formats++;
1465                         args.reltime = true;
1466                 } else
1467                         return 1;
1468                 argc--;
1469                 argv++;
1470         }
1471
1472         if (num_time_formats > 1)
1473                 return 1;
1474
1475         if (argc)
1476                 return 1;
1477
1478         ret = __prepare_listen_events(state);
1479         if (ret)
1480                 return ret;
1481
1482         return __do_listen_events(state, 0, NULL, 0, NULL, &args);
1483 }
1484 TOPLEVEL(event, "[-t|-T|-r] [-f]", 0, 0, CIB_NONE, print_events,
1485         "Monitor events from the kernel.\n"
1486         "-t - print timestamp\n"
1487         "-T - print absolute, human-readable timestamp\n"
1488         "-r - print relative timestamp\n"
1489         "-f - print full frame for auth/assoc etc.");