contrib/wpa/hostapd/hostapd_cli.c

   1 /*
   2  * hostapd - command line interface for hostapd daemon
   3  * Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "includes.h"
  10 #include <dirent.h>
  11
  12 #include "common/wpa_ctrl.h"
  13 #include "common/ieee802_11_defs.h"
  14 #include "utils/common.h"
  15 #include "utils/eloop.h"
  16 #include "utils/edit.h"
  17 #include "common/version.h"
  18 #include "common/cli.h"
  19
  20 #ifndef CONFIG_NO_CTRL_IFACE
  21
  22 static const char *const hostapd_cli_version =
  23 "hostapd_cli v" VERSION_STR "\n"
  24 "Copyright (c) 2004-2019, Jouni Malinen <j@w1.fi> and contributors";
  25
  26 static struct wpa_ctrl *ctrl_conn;
  27 static int hostapd_cli_quit = 0;
  28 static int hostapd_cli_attached = 0;
  29
  30 #ifndef CONFIG_CTRL_IFACE_DIR
  31 #define CONFIG_CTRL_IFACE_DIR "/var/run/hostapd"
  32 #endif /* CONFIG_CTRL_IFACE_DIR */
  33 static const char *ctrl_iface_dir = CONFIG_CTRL_IFACE_DIR;
  34 static const char *client_socket_dir = NULL;
  35
  36 static char *ctrl_ifname = NULL;
  37 static const char *pid_file = NULL;
  38 static const char *action_file = NULL;
  39 static int ping_interval = 5;
  40 static int interactive = 0;
  41 static int event_handler_registered = 0;
  42
  43 static DEFINE_DL_LIST(stations); /* struct cli_txt_entry */
  44
  45 static void print_help(FILE *stream, const char *cmd);
  46 static char ** list_cmd_list(void);
  47 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx);
  48 static void update_stations(struct wpa_ctrl *ctrl);
  49 static void cli_event(const char *str);
  50
  51
  52 static void usage(void)
  53 {
  54         fprintf(stderr, "%s\n", hostapd_cli_version);
  55         fprintf(stderr,
  56                 "\n"
  57                 "usage: hostapd_cli [-p<path>] [-i<ifname>] [-hvB] "
  58                 "[-a<path>] \\\n"
  59                 "                   [-P<pid file>] [-G<ping interval>] [command..]\n"
  60                 "\n"
  61                 "Options:\n"
  62                 "   -h           help (show this usage text)\n"
  63                 "   -v           shown version information\n"
  64                 "   -p<path>     path to find control sockets (default: "
  65                 "/var/run/hostapd)\n"
  66                 "   -s<dir_path> dir path to open client sockets (default: "
  67                 CONFIG_CTRL_IFACE_DIR ")\n"
  68                 "   -a<file>     run in daemon mode executing the action file "
  69                 "based on events\n"
  70                 "                from hostapd\n"
  71                 "   -B           run a daemon in the background\n"
  72                 "   -i<ifname>   Interface to listen on (default: first "
  73                 "interface found in the\n"
  74                 "                socket path)\n\n");
  75         print_help(stderr, NULL);
  76 }
  77
  78
  79 static void register_event_handler(struct wpa_ctrl *ctrl)
  80 {
  81         if (!ctrl_conn)
  82                 return;
  83         if (interactive) {
  84                 event_handler_registered =
  85                         !eloop_register_read_sock(wpa_ctrl_get_fd(ctrl),
  86                                                   hostapd_cli_receive,
  87                                                   NULL, NULL);
  88         }
  89 }
  90
  91
  92 static void unregister_event_handler(struct wpa_ctrl *ctrl)
  93 {
  94         if (!ctrl_conn)
  95                 return;
  96         if (interactive && event_handler_registered) {
  97                 eloop_unregister_read_sock(wpa_ctrl_get_fd(ctrl));
  98                 event_handler_registered = 0;
  99         }
 100 }
 101
 102
 103 static struct wpa_ctrl * hostapd_cli_open_connection(const char *ifname)
 104 {
 105 #ifndef CONFIG_CTRL_IFACE_UDP
 106         char *cfile;
 107         int flen;
 108 #endif /* !CONFIG_CTRL_IFACE_UDP */
 109
 110         if (ifname == NULL)
 111                 return NULL;
 112
 113 #ifdef CONFIG_CTRL_IFACE_UDP
 114         ctrl_conn = wpa_ctrl_open(ifname);
 115         return ctrl_conn;
 116 #else /* CONFIG_CTRL_IFACE_UDP */
 117         flen = strlen(ctrl_iface_dir) + strlen(ifname) + 2;
 118         cfile = malloc(flen);
 119         if (cfile == NULL)
 120                 return NULL;
 121         snprintf(cfile, flen, "%s/%s", ctrl_iface_dir, ifname);
 122
 123         if (client_socket_dir && client_socket_dir[0] &&
 124             access(client_socket_dir, F_OK) < 0) {
 125                 perror(client_socket_dir);
 126                 free(cfile);
 127                 return NULL;
 128         }
 129
 130         ctrl_conn = wpa_ctrl_open2(cfile, client_socket_dir);
 131         free(cfile);
 132         return ctrl_conn;
 133 #endif /* CONFIG_CTRL_IFACE_UDP */
 134 }
 135
 136
 137 static void hostapd_cli_close_connection(void)
 138 {
 139         if (ctrl_conn == NULL)
 140                 return;
 141
 142         unregister_event_handler(ctrl_conn);
 143         if (hostapd_cli_attached) {
 144                 wpa_ctrl_detach(ctrl_conn);
 145                 hostapd_cli_attached = 0;
 146         }
 147         wpa_ctrl_close(ctrl_conn);
 148         ctrl_conn = NULL;
 149 }
 150
 151
 152 static int hostapd_cli_reconnect(const char *ifname)
 153 {
 154         char *next_ctrl_ifname;
 155
 156         hostapd_cli_close_connection();
 157
 158         if (!ifname)
 159                 return -1;
 160
 161         next_ctrl_ifname = os_strdup(ifname);
 162         os_free(ctrl_ifname);
 163         ctrl_ifname = next_ctrl_ifname;
 164         if (!ctrl_ifname)
 165                 return -1;
 166
 167         ctrl_conn = hostapd_cli_open_connection(ctrl_ifname);
 168         if (!ctrl_conn)
 169                 return -1;
 170         if (!interactive && !action_file)
 171                 return 0;
 172         if (wpa_ctrl_attach(ctrl_conn) == 0) {
 173                 hostapd_cli_attached = 1;
 174                 register_event_handler(ctrl_conn);
 175                 update_stations(ctrl_conn);
 176         } else {
 177                 printf("Warning: Failed to attach to hostapd.\n");
 178         }
 179         return 0;
 180 }
 181
 182
 183 static void hostapd_cli_msg_cb(char *msg, size_t len)
 184 {
 185         cli_event(msg);
 186         printf("%s\n", msg);
 187 }
 188
 189
 190 static int _wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd, int print)
 191 {
 192         char buf[4096];
 193         size_t len;
 194         int ret;
 195
 196         if (ctrl_conn == NULL) {
 197                 printf("Not connected to hostapd - command dropped.\n");
 198                 return -1;
 199         }
 200         len = sizeof(buf) - 1;
 201         ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
 202                                hostapd_cli_msg_cb);
 203         if (ret == -2) {
 204                 printf("'%s' command timed out.\n", cmd);
 205                 return -2;
 206         } else if (ret < 0) {
 207                 printf("'%s' command failed.\n", cmd);
 208                 return -1;
 209         }
 210         if (print) {
 211                 buf[len] = '\0';
 212                 printf("%s", buf);
 213         }
 214         return 0;
 215 }
 216
 217
 218 static inline int wpa_ctrl_command(struct wpa_ctrl *ctrl, const char *cmd)
 219 {
 220         return _wpa_ctrl_command(ctrl, cmd, 1);
 221 }
 222
 223
 224 static int hostapd_cli_cmd(struct wpa_ctrl *ctrl, const char *cmd,
 225                            int min_args, int argc, char *argv[])
 226 {
 227         char buf[4096];
 228
 229         if (argc < min_args) {
 230                 printf("Invalid %s command - at least %d argument%s required.\n",
 231                        cmd, min_args, min_args > 1 ? "s are" : " is");
 232                 return -1;
 233         }
 234         if (write_cmd(buf, sizeof(buf), cmd, argc, argv) < 0)
 235                 return -1;
 236         return wpa_ctrl_command(ctrl, buf);
 237 }
 238
 239
 240 static int hostapd_cli_cmd_ping(struct wpa_ctrl *ctrl, int argc, char *argv[])
 241 {
 242         return wpa_ctrl_command(ctrl, "PING");
 243 }
 244
 245
 246 static int hostapd_cli_cmd_relog(struct wpa_ctrl *ctrl, int argc, char *argv[])
 247 {
 248         return wpa_ctrl_command(ctrl, "RELOG");
 249 }
 250
 251
 252 static int hostapd_cli_cmd_status(struct wpa_ctrl *ctrl, int argc, char *argv[])
 253 {
 254         if (argc > 0 && os_strcmp(argv[0], "driver") == 0)
 255                 return wpa_ctrl_command(ctrl, "STATUS-DRIVER");
 256         return wpa_ctrl_command(ctrl, "STATUS");
 257 }
 258
 259
 260 static int hostapd_cli_cmd_mib(struct wpa_ctrl *ctrl, int argc, char *argv[])
 261 {
 262         if (argc > 0) {
 263                 char buf[100];
 264                 os_snprintf(buf, sizeof(buf), "MIB %s", argv[0]);
 265                 return wpa_ctrl_command(ctrl, buf);
 266         }
 267         return wpa_ctrl_command(ctrl, "MIB");
 268 }
 269
 270
 271 static int hostapd_cli_exec(const char *program, const char *arg1,
 272                             const char *arg2)
 273 {
 274         char *arg;
 275         size_t len;
 276         int res;
 277
 278         len = os_strlen(arg1) + os_strlen(arg2) + 2;
 279         arg = os_malloc(len);
 280         if (arg == NULL)
 281                 return -1;
 282         os_snprintf(arg, len, "%s %s", arg1, arg2);
 283         res = os_exec(program, arg, 1);
 284         os_free(arg);
 285
 286         return res;
 287 }
 288
 289
 290 static void hostapd_cli_action_process(char *msg, size_t len)
 291 {
 292         const char *pos;
 293
 294         pos = msg;
 295         if (*pos == '<') {
 296                 pos = os_strchr(pos, '>');
 297                 if (pos)
 298                         pos++;
 299                 else
 300                         pos = msg;
 301         }
 302
 303         hostapd_cli_exec(action_file, ctrl_ifname, pos);
 304 }
 305
 306
 307 static int hostapd_cli_cmd_sta(struct wpa_ctrl *ctrl, int argc, char *argv[])
 308 {
 309         char buf[64];
 310         if (argc < 1) {
 311                 printf("Invalid 'sta' command - at least one argument, STA "
 312                        "address, is required.\n");
 313                 return -1;
 314         }
 315         if (argc > 1)
 316                 snprintf(buf, sizeof(buf), "STA %s %s", argv[0], argv[1]);
 317         else
 318                 snprintf(buf, sizeof(buf), "STA %s", argv[0]);
 319         return wpa_ctrl_command(ctrl, buf);
 320 }
 321
 322
 323 static char ** hostapd_complete_stations(const char *str, int pos)
 324 {
 325         int arg = get_cmd_arg_num(str, pos);
 326         char **res = NULL;
 327
 328         switch (arg) {
 329         case 1:
 330                 res = cli_txt_list_array(&stations);
 331                 break;
 332         }
 333
 334         return res;
 335 }
 336
 337
 338 static int hostapd_cli_cmd_new_sta(struct wpa_ctrl *ctrl, int argc,
 339                                    char *argv[])
 340 {
 341         char buf[64];
 342         if (argc != 1) {
 343                 printf("Invalid 'new_sta' command - exactly one argument, STA "
 344                        "address, is required.\n");
 345                 return -1;
 346         }
 347         snprintf(buf, sizeof(buf), "NEW_STA %s", argv[0]);
 348         return wpa_ctrl_command(ctrl, buf);
 349 }
 350
 351
 352 static int hostapd_cli_cmd_deauthenticate(struct wpa_ctrl *ctrl, int argc,
 353                                           char *argv[])
 354 {
 355         char buf[64];
 356         if (argc < 1) {
 357                 printf("Invalid 'deauthenticate' command - exactly one "
 358                        "argument, STA address, is required.\n");
 359                 return -1;
 360         }
 361         if (argc > 1)
 362                 os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s %s",
 363                             argv[0], argv[1]);
 364         else
 365                 os_snprintf(buf, sizeof(buf), "DEAUTHENTICATE %s", argv[0]);
 366         return wpa_ctrl_command(ctrl, buf);
 367 }
 368
 369
 370 static int hostapd_cli_cmd_disassociate(struct wpa_ctrl *ctrl, int argc,
 371                                         char *argv[])
 372 {
 373         char buf[64];
 374         if (argc < 1) {
 375                 printf("Invalid 'disassociate' command - exactly one "
 376                        "argument, STA address, is required.\n");
 377                 return -1;
 378         }
 379         if (argc > 1)
 380                 os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s %s",
 381                             argv[0], argv[1]);
 382         else
 383                 os_snprintf(buf, sizeof(buf), "DISASSOCIATE %s", argv[0]);
 384         return wpa_ctrl_command(ctrl, buf);
 385 }
 386
 387
 388 #ifdef CONFIG_TAXONOMY
 389 static int hostapd_cli_cmd_signature(struct wpa_ctrl *ctrl, int argc,
 390                                      char *argv[])
 391 {
 392         char buf[64];
 393
 394         if (argc != 1) {
 395                 printf("Invalid 'signature' command - exactly one argument, STA address, is required.\n");
 396                 return -1;
 397         }
 398         os_snprintf(buf, sizeof(buf), "SIGNATURE %s", argv[0]);
 399         return wpa_ctrl_command(ctrl, buf);
 400 }
 401 #endif /* CONFIG_TAXONOMY */
 402
 403
 404 #ifdef CONFIG_IEEE80211W
 405 static int hostapd_cli_cmd_sa_query(struct wpa_ctrl *ctrl, int argc,
 406                                     char *argv[])
 407 {
 408         char buf[64];
 409         if (argc != 1) {
 410                 printf("Invalid 'sa_query' command - exactly one argument, "
 411                        "STA address, is required.\n");
 412                 return -1;
 413         }
 414         snprintf(buf, sizeof(buf), "SA_QUERY %s", argv[0]);
 415         return wpa_ctrl_command(ctrl, buf);
 416 }
 417 #endif /* CONFIG_IEEE80211W */
 418
 419
 420 #ifdef CONFIG_WPS
 421 static int hostapd_cli_cmd_wps_pin(struct wpa_ctrl *ctrl, int argc,
 422                                    char *argv[])
 423 {
 424         char buf[256];
 425         if (argc < 2) {
 426                 printf("Invalid 'wps_pin' command - at least two arguments, "
 427                        "UUID and PIN, are required.\n");
 428                 return -1;
 429         }
 430         if (argc > 3)
 431                 snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s %s",
 432                          argv[0], argv[1], argv[2], argv[3]);
 433         else if (argc > 2)
 434                 snprintf(buf, sizeof(buf), "WPS_PIN %s %s %s",
 435                          argv[0], argv[1], argv[2]);
 436         else
 437                 snprintf(buf, sizeof(buf), "WPS_PIN %s %s", argv[0], argv[1]);
 438         return wpa_ctrl_command(ctrl, buf);
 439 }
 440
 441
 442 static int hostapd_cli_cmd_wps_check_pin(struct wpa_ctrl *ctrl, int argc,
 443                                          char *argv[])
 444 {
 445         char cmd[256];
 446         int res;
 447
 448         if (argc != 1 && argc != 2) {
 449                 printf("Invalid WPS_CHECK_PIN command: needs one argument:\n"
 450                        "- PIN to be verified\n");
 451                 return -1;
 452         }
 453
 454         if (argc == 2)
 455                 res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s %s",
 456                                   argv[0], argv[1]);
 457         else
 458                 res = os_snprintf(cmd, sizeof(cmd), "WPS_CHECK_PIN %s",
 459                                   argv[0]);
 460         if (os_snprintf_error(sizeof(cmd), res)) {
 461                 printf("Too long WPS_CHECK_PIN command.\n");
 462                 return -1;
 463         }
 464         return wpa_ctrl_command(ctrl, cmd);
 465 }
 466
 467
 468 static int hostapd_cli_cmd_wps_pbc(struct wpa_ctrl *ctrl, int argc,
 469                                    char *argv[])
 470 {
 471         return wpa_ctrl_command(ctrl, "WPS_PBC");
 472 }
 473
 474
 475 static int hostapd_cli_cmd_wps_cancel(struct wpa_ctrl *ctrl, int argc,
 476                                       char *argv[])
 477 {
 478         return wpa_ctrl_command(ctrl, "WPS_CANCEL");
 479 }
 480
 481
 482 #ifdef CONFIG_WPS_NFC
 483 static int hostapd_cli_cmd_wps_nfc_tag_read(struct wpa_ctrl *ctrl, int argc,
 484                                             char *argv[])
 485 {
 486         int ret;
 487         char *buf;
 488         size_t buflen;
 489
 490         if (argc != 1) {
 491                 printf("Invalid 'wps_nfc_tag_read' command - one argument "
 492                        "is required.\n");
 493                 return -1;
 494         }
 495
 496         buflen = 18 + os_strlen(argv[0]);
 497         buf = os_malloc(buflen);
 498         if (buf == NULL)
 499                 return -1;
 500         os_snprintf(buf, buflen, "WPS_NFC_TAG_READ %s", argv[0]);
 501
 502         ret = wpa_ctrl_command(ctrl, buf);
 503         os_free(buf);
 504
 505         return ret;
 506 }
 507
 508
 509 static int hostapd_cli_cmd_wps_nfc_config_token(struct wpa_ctrl *ctrl,
 510                                                 int argc, char *argv[])
 511 {
 512         char cmd[64];
 513         int res;
 514
 515         if (argc != 1) {
 516                 printf("Invalid 'wps_nfc_config_token' command - one argument "
 517                        "is required.\n");
 518                 return -1;
 519         }
 520
 521         res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_CONFIG_TOKEN %s",
 522                           argv[0]);
 523         if (os_snprintf_error(sizeof(cmd), res)) {
 524                 printf("Too long WPS_NFC_CONFIG_TOKEN command.\n");
 525                 return -1;
 526         }
 527         return wpa_ctrl_command(ctrl, cmd);
 528 }
 529
 530
 531 static int hostapd_cli_cmd_wps_nfc_token(struct wpa_ctrl *ctrl,
 532                                          int argc, char *argv[])
 533 {
 534         char cmd[64];
 535         int res;
 536
 537         if (argc != 1) {
 538                 printf("Invalid 'wps_nfc_token' command - one argument is "
 539                        "required.\n");
 540                 return -1;
 541         }
 542
 543         res = os_snprintf(cmd, sizeof(cmd), "WPS_NFC_TOKEN %s", argv[0]);
 544         if (os_snprintf_error(sizeof(cmd), res)) {
 545                 printf("Too long WPS_NFC_TOKEN command.\n");
 546                 return -1;
 547         }
 548         return wpa_ctrl_command(ctrl, cmd);
 549 }
 550
 551
 552 static int hostapd_cli_cmd_nfc_get_handover_sel(struct wpa_ctrl *ctrl,
 553                                                 int argc, char *argv[])
 554 {
 555         char cmd[64];
 556         int res;
 557
 558         if (argc != 2) {
 559                 printf("Invalid 'nfc_get_handover_sel' command - two arguments "
 560                        "are required.\n");
 561                 return -1;
 562         }
 563
 564         res = os_snprintf(cmd, sizeof(cmd), "NFC_GET_HANDOVER_SEL %s %s",
 565                           argv[0], argv[1]);
 566         if (os_snprintf_error(sizeof(cmd), res)) {
 567                 printf("Too long NFC_GET_HANDOVER_SEL command.\n");
 568                 return -1;
 569         }
 570         return wpa_ctrl_command(ctrl, cmd);
 571 }
 572
 573 #endif /* CONFIG_WPS_NFC */
 574
 575
 576 static int hostapd_cli_cmd_wps_ap_pin(struct wpa_ctrl *ctrl, int argc,
 577                                       char *argv[])
 578 {
 579         char buf[64];
 580         if (argc < 1) {
 581                 printf("Invalid 'wps_ap_pin' command - at least one argument "
 582                        "is required.\n");
 583                 return -1;
 584         }
 585         if (argc > 2)
 586                 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s %s",
 587                          argv[0], argv[1], argv[2]);
 588         else if (argc > 1)
 589                 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s %s",
 590                          argv[0], argv[1]);
 591         else
 592                 snprintf(buf, sizeof(buf), "WPS_AP_PIN %s", argv[0]);
 593         return wpa_ctrl_command(ctrl, buf);
 594 }
 595
 596
 597 static int hostapd_cli_cmd_wps_get_status(struct wpa_ctrl *ctrl, int argc,
 598                                           char *argv[])
 599 {
 600         return wpa_ctrl_command(ctrl, "WPS_GET_STATUS");
 601 }
 602
 603
 604 static int hostapd_cli_cmd_wps_config(struct wpa_ctrl *ctrl, int argc,
 605                                       char *argv[])
 606 {
 607         char buf[256];
 608         char ssid_hex[2 * SSID_MAX_LEN + 1];
 609         char key_hex[2 * 64 + 1];
 610         int i;
 611
 612         if (argc < 1) {
 613                 printf("Invalid 'wps_config' command - at least two arguments "
 614                        "are required.\n");
 615                 return -1;
 616         }
 617
 618         ssid_hex[0] = '\0';
 619         for (i = 0; i < SSID_MAX_LEN; i++) {
 620                 if (argv[0][i] == '\0')
 621                         break;
 622                 os_snprintf(&ssid_hex[i * 2], 3, "%02x", argv[0][i]);
 623         }
 624
 625         key_hex[0] = '\0';
 626         if (argc > 3) {
 627                 for (i = 0; i < 64; i++) {
 628                         if (argv[3][i] == '\0')
 629                                 break;
 630                         os_snprintf(&key_hex[i * 2], 3, "%02x",
 631                                     argv[3][i]);
 632                 }
 633         }
 634
 635         if (argc > 3)
 636                 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s %s",
 637                          ssid_hex, argv[1], argv[2], key_hex);
 638         else if (argc > 2)
 639                 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s %s",
 640                          ssid_hex, argv[1], argv[2]);
 641         else
 642                 snprintf(buf, sizeof(buf), "WPS_CONFIG %s %s",
 643                          ssid_hex, argv[1]);
 644         return wpa_ctrl_command(ctrl, buf);
 645 }
 646 #endif /* CONFIG_WPS */
 647
 648
 649 static int hostapd_cli_cmd_disassoc_imminent(struct wpa_ctrl *ctrl, int argc,
 650                                              char *argv[])
 651 {
 652         char buf[300];
 653         int res;
 654
 655         if (argc < 2) {
 656                 printf("Invalid 'disassoc_imminent' command - two arguments "
 657                        "(STA addr and Disassociation Timer) are needed\n");
 658                 return -1;
 659         }
 660
 661         res = os_snprintf(buf, sizeof(buf), "DISASSOC_IMMINENT %s %s",
 662                           argv[0], argv[1]);
 663         if (os_snprintf_error(sizeof(buf), res))
 664                 return -1;
 665         return wpa_ctrl_command(ctrl, buf);
 666 }
 667
 668
 669 static int hostapd_cli_cmd_ess_disassoc(struct wpa_ctrl *ctrl, int argc,
 670                                         char *argv[])
 671 {
 672         char buf[300];
 673         int res;
 674
 675         if (argc < 3) {
 676                 printf("Invalid 'ess_disassoc' command - three arguments (STA "
 677                        "addr, disassoc timer, and URL) are needed\n");
 678                 return -1;
 679         }
 680
 681         res = os_snprintf(buf, sizeof(buf), "ESS_DISASSOC %s %s %s",
 682                           argv[0], argv[1], argv[2]);
 683         if (os_snprintf_error(sizeof(buf), res))
 684                 return -1;
 685         return wpa_ctrl_command(ctrl, buf);
 686 }
 687
 688
 689 static int hostapd_cli_cmd_bss_tm_req(struct wpa_ctrl *ctrl, int argc,
 690                                       char *argv[])
 691 {
 692         char buf[2000], *tmp;
 693         int res, i, total;
 694
 695         if (argc < 1) {
 696                 printf("Invalid 'bss_tm_req' command - at least one argument (STA addr) is needed\n");
 697                 return -1;
 698         }
 699
 700         res = os_snprintf(buf, sizeof(buf), "BSS_TM_REQ %s", argv[0]);
 701         if (os_snprintf_error(sizeof(buf), res))
 702                 return -1;
 703
 704         total = res;
 705         for (i = 1; i < argc; i++) {
 706                 tmp = &buf[total];
 707                 res = os_snprintf(tmp, sizeof(buf) - total, " %s", argv[i]);
 708                 if (os_snprintf_error(sizeof(buf) - total, res))
 709                         return -1;
 710                 total += res;
 711         }
 712         return wpa_ctrl_command(ctrl, buf);
 713 }
 714
 715
 716 static int hostapd_cli_cmd_get_config(struct wpa_ctrl *ctrl, int argc,
 717                                       char *argv[])
 718 {
 719         return wpa_ctrl_command(ctrl, "GET_CONFIG");
 720 }
 721
 722
 723 static int wpa_ctrl_command_sta(struct wpa_ctrl *ctrl, const char *cmd,
 724                                 char *addr, size_t addr_len, int print)
 725 {
 726         char buf[4096], *pos;
 727         size_t len;
 728         int ret;
 729
 730         if (ctrl_conn == NULL) {
 731                 printf("Not connected to hostapd - command dropped.\n");
 732                 return -1;
 733         }
 734         len = sizeof(buf) - 1;
 735         ret = wpa_ctrl_request(ctrl, cmd, strlen(cmd), buf, &len,
 736                                hostapd_cli_msg_cb);
 737         if (ret == -2) {
 738                 printf("'%s' command timed out.\n", cmd);
 739                 return -2;
 740         } else if (ret < 0) {
 741                 printf("'%s' command failed.\n", cmd);
 742                 return -1;
 743         }
 744
 745         buf[len] = '\0';
 746         if (memcmp(buf, "FAIL", 4) == 0)
 747                 return -1;
 748         if (print)
 749                 printf("%s", buf);
 750
 751         pos = buf;
 752         while (*pos != '\0' && *pos != '\n')
 753                 pos++;
 754         *pos = '\0';
 755         os_strlcpy(addr, buf, addr_len);
 756         return 0;
 757 }
 758
 759
 760 static int hostapd_cli_cmd_all_sta(struct wpa_ctrl *ctrl, int argc,
 761                                    char *argv[])
 762 {
 763         char addr[32], cmd[64];
 764
 765         if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 1))
 766                 return 0;
 767         do {
 768                 snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
 769         } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 1) == 0);
 770
 771         return -1;
 772 }
 773
 774
 775 static int hostapd_cli_cmd_list_sta(struct wpa_ctrl *ctrl, int argc,
 776                                     char *argv[])
 777 {
 778         char addr[32], cmd[64];
 779
 780         if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
 781                 return 0;
 782         do {
 783                 if (os_strcmp(addr, "") != 0)
 784                         printf("%s\n", addr);
 785                 os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
 786         } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
 787
 788         return 0;
 789 }
 790
 791
 792 static int hostapd_cli_cmd_help(struct wpa_ctrl *ctrl, int argc, char *argv[])
 793 {
 794         print_help(stdout, argc > 0 ? argv[0] : NULL);
 795         return 0;
 796 }
 797
 798
 799 static char ** hostapd_cli_complete_help(const char *str, int pos)
 800 {
 801         int arg = get_cmd_arg_num(str, pos);
 802         char **res = NULL;
 803
 804         switch (arg) {
 805         case 1:
 806                 res = list_cmd_list();
 807                 break;
 808         }
 809
 810         return res;
 811 }
 812
 813
 814 static int hostapd_cli_cmd_license(struct wpa_ctrl *ctrl, int argc,
 815                                    char *argv[])
 816 {
 817         printf("%s\n\n%s\n", hostapd_cli_version, cli_full_license);
 818         return 0;
 819 }
 820
 821
 822 static int hostapd_cli_cmd_set_qos_map_set(struct wpa_ctrl *ctrl,
 823                                            int argc, char *argv[])
 824 {
 825         char buf[200];
 826         int res;
 827
 828         if (argc != 1) {
 829                 printf("Invalid 'set_qos_map_set' command - "
 830                        "one argument (comma delimited QoS map set) "
 831                        "is needed\n");
 832                 return -1;
 833         }
 834
 835         res = os_snprintf(buf, sizeof(buf), "SET_QOS_MAP_SET %s", argv[0]);
 836         if (os_snprintf_error(sizeof(buf), res))
 837                 return -1;
 838         return wpa_ctrl_command(ctrl, buf);
 839 }
 840
 841
 842 static int hostapd_cli_cmd_send_qos_map_conf(struct wpa_ctrl *ctrl,
 843                                              int argc, char *argv[])
 844 {
 845         char buf[50];
 846         int res;
 847
 848         if (argc != 1) {
 849                 printf("Invalid 'send_qos_map_conf' command - "
 850                        "one argument (STA addr) is needed\n");
 851                 return -1;
 852         }
 853
 854         res = os_snprintf(buf, sizeof(buf), "SEND_QOS_MAP_CONF %s", argv[0]);
 855         if (os_snprintf_error(sizeof(buf), res))
 856                 return -1;
 857         return wpa_ctrl_command(ctrl, buf);
 858 }
 859
 860
 861 static int hostapd_cli_cmd_hs20_wnm_notif(struct wpa_ctrl *ctrl, int argc,
 862                                           char *argv[])
 863 {
 864         char buf[300];
 865         int res;
 866
 867         if (argc < 2) {
 868                 printf("Invalid 'hs20_wnm_notif' command - two arguments (STA "
 869                        "addr and URL) are needed\n");
 870                 return -1;
 871         }
 872
 873         res = os_snprintf(buf, sizeof(buf), "HS20_WNM_NOTIF %s %s",
 874                           argv[0], argv[1]);
 875         if (os_snprintf_error(sizeof(buf), res))
 876                 return -1;
 877         return wpa_ctrl_command(ctrl, buf);
 878 }
 879
 880
 881 static int hostapd_cli_cmd_hs20_deauth_req(struct wpa_ctrl *ctrl, int argc,
 882                                            char *argv[])
 883 {
 884         char buf[300];
 885         int res;
 886
 887         if (argc < 3) {
 888                 printf("Invalid 'hs20_deauth_req' command - at least three arguments (STA addr, Code, Re-auth Delay) are needed\n");
 889                 return -1;
 890         }
 891
 892         if (argc > 3)
 893                 res = os_snprintf(buf, sizeof(buf),
 894                                   "HS20_DEAUTH_REQ %s %s %s %s",
 895                                   argv[0], argv[1], argv[2], argv[3]);
 896         else
 897                 res = os_snprintf(buf, sizeof(buf),
 898                                   "HS20_DEAUTH_REQ %s %s %s",
 899                                   argv[0], argv[1], argv[2]);
 900         if (os_snprintf_error(sizeof(buf), res))
 901                 return -1;
 902         return wpa_ctrl_command(ctrl, buf);
 903 }
 904
 905
 906 static int hostapd_cli_cmd_quit(struct wpa_ctrl *ctrl, int argc, char *argv[])
 907 {
 908         hostapd_cli_quit = 1;
 909         if (interactive)
 910                 eloop_terminate();
 911         return 0;
 912 }
 913
 914
 915 static int hostapd_cli_cmd_level(struct wpa_ctrl *ctrl, int argc, char *argv[])
 916 {
 917         char cmd[256];
 918         if (argc != 1) {
 919                 printf("Invalid LEVEL command: needs one argument (debug "
 920                        "level)\n");
 921                 return 0;
 922         }
 923         snprintf(cmd, sizeof(cmd), "LEVEL %s", argv[0]);
 924         return wpa_ctrl_command(ctrl, cmd);
 925 }
 926
 927
 928 static void update_stations(struct wpa_ctrl *ctrl)
 929 {
 930         char addr[32], cmd[64];
 931
 932         if (!ctrl || !interactive)
 933                 return;
 934
 935         cli_txt_list_flush(&stations);
 936
 937         if (wpa_ctrl_command_sta(ctrl, "STA-FIRST", addr, sizeof(addr), 0))
 938                 return;
 939         do {
 940                 if (os_strcmp(addr, "") != 0)
 941                         cli_txt_list_add(&stations, addr);
 942                 os_snprintf(cmd, sizeof(cmd), "STA-NEXT %s", addr);
 943         } while (wpa_ctrl_command_sta(ctrl, cmd, addr, sizeof(addr), 0) == 0);
 944 }
 945
 946
 947 static void hostapd_cli_get_interfaces(struct wpa_ctrl *ctrl,
 948                                        struct dl_list *interfaces)
 949 {
 950         struct dirent *dent;
 951         DIR *dir;
 952
 953         if (!ctrl || !interfaces)
 954                 return;
 955         dir = opendir(ctrl_iface_dir);
 956         if (dir == NULL)
 957                 return;
 958
 959         while ((dent = readdir(dir))) {
 960                 if (strcmp(dent->d_name, ".") == 0 ||
 961                     strcmp(dent->d_name, "..") == 0)
 962                         continue;
 963                 cli_txt_list_add(interfaces, dent->d_name);
 964         }
 965         closedir(dir);
 966 }
 967
 968
 969 static void hostapd_cli_list_interfaces(struct wpa_ctrl *ctrl)
 970 {
 971         struct dirent *dent;
 972         DIR *dir;
 973
 974         dir = opendir(ctrl_iface_dir);
 975         if (dir == NULL) {
 976                 printf("Control interface directory '%s' could not be "
 977                        "openned.\n", ctrl_iface_dir);
 978                 return;
 979         }
 980
 981         printf("Available interfaces:\n");
 982         while ((dent = readdir(dir))) {
 983                 if (strcmp(dent->d_name, ".") == 0 ||
 984                     strcmp(dent->d_name, "..") == 0)
 985                         continue;
 986                 printf("%s\n", dent->d_name);
 987         }
 988         closedir(dir);
 989 }
 990
 991
 992 static int hostapd_cli_cmd_interface(struct wpa_ctrl *ctrl, int argc,
 993                                      char *argv[])
 994 {
 995         if (argc < 1) {
 996                 hostapd_cli_list_interfaces(ctrl);
 997                 return 0;
 998         }
 999         if (hostapd_cli_reconnect(argv[0]) != 0) {
1000                 printf("Could not connect to interface '%s' - re-trying\n",
1001                         ctrl_ifname);
1002         }
1003         return 0;
1004 }
1005
1006
1007 static char ** hostapd_complete_interface(const char *str, int pos)
1008 {
1009         int arg = get_cmd_arg_num(str, pos);
1010         char **res = NULL;
1011         DEFINE_DL_LIST(interfaces);
1012
1013         switch (arg) {
1014         case 1:
1015                 hostapd_cli_get_interfaces(ctrl_conn, &interfaces);
1016                 res = cli_txt_list_array(&interfaces);
1017                 cli_txt_list_flush(&interfaces);
1018                 break;
1019         }
1020
1021         return res;
1022 }
1023
1024
1025 static int hostapd_cli_cmd_set(struct wpa_ctrl *ctrl, int argc, char *argv[])
1026 {
1027         char cmd[2048];
1028         int res;
1029
1030         if (argc != 2) {
1031                 printf("Invalid SET command: needs two arguments (variable "
1032                        "name and value)\n");
1033                 return -1;
1034         }
1035
1036         res = os_snprintf(cmd, sizeof(cmd), "SET %s %s", argv[0], argv[1]);
1037         if (os_snprintf_error(sizeof(cmd), res)) {
1038                 printf("Too long SET command.\n");
1039                 return -1;
1040         }
1041         return wpa_ctrl_command(ctrl, cmd);
1042 }
1043
1044
1045 static char ** hostapd_complete_set(const char *str, int pos)
1046 {
1047         int arg = get_cmd_arg_num(str, pos);
1048         const char *fields[] = {
1049 #ifdef CONFIG_WPS_TESTING
1050                 "wps_version_number", "wps_testing_dummy_cred",
1051                 "wps_corrupt_pkhash",
1052 #endif /* CONFIG_WPS_TESTING */
1053 #ifdef CONFIG_INTERWORKING
1054                 "gas_frag_limit",
1055 #endif /* CONFIG_INTERWORKING */
1056 #ifdef CONFIG_TESTING_OPTIONS
1057                 "ext_mgmt_frame_handling", "ext_eapol_frame_io",
1058 #endif /* CONFIG_TESTING_OPTIONS */
1059 #ifdef CONFIG_MBO
1060                 "mbo_assoc_disallow",
1061 #endif /* CONFIG_MBO */
1062                 "deny_mac_file", "accept_mac_file",
1063         };
1064         int i, num_fields = ARRAY_SIZE(fields);
1065
1066         if (arg == 1) {
1067                 char **res;
1068
1069                 res = os_calloc(num_fields + 1, sizeof(char *));
1070                 if (!res)
1071                         return NULL;
1072                 for (i = 0; i < num_fields; i++) {
1073                         res[i] = os_strdup(fields[i]);
1074                         if (!res[i])
1075                                 return res;
1076                 }
1077                 return res;
1078         }
1079         return NULL;
1080 }
1081
1082
1083 static int hostapd_cli_cmd_get(struct wpa_ctrl *ctrl, int argc, char *argv[])
1084 {
1085         char cmd[256];
1086         int res;
1087
1088         if (argc != 1) {
1089                 printf("Invalid GET command: needs one argument (variable "
1090                        "name)\n");
1091                 return -1;
1092         }
1093
1094         res = os_snprintf(cmd, sizeof(cmd), "GET %s", argv[0]);
1095         if (os_snprintf_error(sizeof(cmd), res)) {
1096                 printf("Too long GET command.\n");
1097                 return -1;
1098         }
1099         return wpa_ctrl_command(ctrl, cmd);
1100 }
1101
1102
1103 static char ** hostapd_complete_get(const char *str, int pos)
1104 {
1105         int arg = get_cmd_arg_num(str, pos);
1106         const char *fields[] = {
1107                 "version", "tls_library",
1108         };
1109         int i, num_fields = ARRAY_SIZE(fields);
1110
1111         if (arg == 1) {
1112                 char **res;
1113
1114                 res = os_calloc(num_fields + 1, sizeof(char *));
1115                 if (!res)
1116                         return NULL;
1117                 for (i = 0; i < num_fields; i++) {
1118                         res[i] = os_strdup(fields[i]);
1119                         if (!res[i])
1120                                 return res;
1121                 }
1122                 return res;
1123         }
1124         return NULL;
1125 }
1126
1127
1128 #ifdef CONFIG_FST
1129 static int hostapd_cli_cmd_fst(struct wpa_ctrl *ctrl, int argc, char *argv[])
1130 {
1131         char cmd[256];
1132         int res;
1133         int i;
1134         int total;
1135
1136         if (argc <= 0) {
1137                 printf("FST command: parameters are required.\n");
1138                 return -1;
1139         }
1140
1141         total = os_snprintf(cmd, sizeof(cmd), "FST-MANAGER");
1142
1143         for (i = 0; i < argc; i++) {
1144                 res = os_snprintf(cmd + total, sizeof(cmd) - total, " %s",
1145                                   argv[i]);
1146                 if (os_snprintf_error(sizeof(cmd) - total, res)) {
1147                         printf("Too long fst command.\n");
1148                         return -1;
1149                 }
1150                 total += res;
1151         }
1152         return wpa_ctrl_command(ctrl, cmd);
1153 }
1154 #endif /* CONFIG_FST */
1155
1156
1157 static int hostapd_cli_cmd_chan_switch(struct wpa_ctrl *ctrl,
1158                                        int argc, char *argv[])
1159 {
1160         char cmd[256];
1161         int res;
1162         int i;
1163         char *tmp;
1164         int total;
1165
1166         if (argc < 2) {
1167                 printf("Invalid chan_switch command: needs at least two "
1168                        "arguments (count and freq)\n"
1169                        "usage: <cs_count> <freq> [sec_channel_offset=] "
1170                        "[center_freq1=] [center_freq2=] [bandwidth=] "
1171                        "[blocktx] [ht|vht]\n");
1172                 return -1;
1173         }
1174
1175         res = os_snprintf(cmd, sizeof(cmd), "CHAN_SWITCH %s %s",
1176                           argv[0], argv[1]);
1177         if (os_snprintf_error(sizeof(cmd), res)) {
1178                 printf("Too long CHAN_SWITCH command.\n");
1179                 return -1;
1180         }
1181
1182         total = res;
1183         for (i = 2; i < argc; i++) {
1184                 tmp = cmd + total;
1185                 res = os_snprintf(tmp, sizeof(cmd) - total, " %s", argv[i]);
1186                 if (os_snprintf_error(sizeof(cmd) - total, res)) {
1187                         printf("Too long CHAN_SWITCH command.\n");
1188                         return -1;
1189                 }
1190                 total += res;
1191         }
1192         return wpa_ctrl_command(ctrl, cmd);
1193 }
1194
1195
1196 static int hostapd_cli_cmd_enable(struct wpa_ctrl *ctrl, int argc,
1197                                       char *argv[])
1198 {
1199         return wpa_ctrl_command(ctrl, "ENABLE");
1200 }
1201
1202
1203 static int hostapd_cli_cmd_reload(struct wpa_ctrl *ctrl, int argc,
1204                                       char *argv[])
1205 {
1206         return wpa_ctrl_command(ctrl, "RELOAD");
1207 }
1208
1209
1210 static int hostapd_cli_cmd_disable(struct wpa_ctrl *ctrl, int argc,
1211                                       char *argv[])
1212 {
1213         return wpa_ctrl_command(ctrl, "DISABLE");
1214 }
1215
1216
1217 static int hostapd_cli_cmd_update_beacon(struct wpa_ctrl *ctrl, int argc,
1218                                       char *argv[])
1219 {
1220         return wpa_ctrl_command(ctrl, "UPDATE_BEACON");
1221 }
1222
1223
1224 static int hostapd_cli_cmd_vendor(struct wpa_ctrl *ctrl, int argc, char *argv[])
1225 {
1226         char cmd[256];
1227         int res;
1228
1229         if (argc < 2 || argc > 3) {
1230                 printf("Invalid vendor command\n"
1231                        "usage: <vendor id> <command id> [<hex formatted command argument>]\n");
1232                 return -1;
1233         }
1234
1235         res = os_snprintf(cmd, sizeof(cmd), "VENDOR %s %s %s", argv[0], argv[1],
1236                           argc == 3 ? argv[2] : "");
1237         if (os_snprintf_error(sizeof(cmd), res)) {
1238                 printf("Too long VENDOR command.\n");
1239                 return -1;
1240         }
1241         return wpa_ctrl_command(ctrl, cmd);
1242 }
1243
1244
1245 static int hostapd_cli_cmd_erp_flush(struct wpa_ctrl *ctrl, int argc,
1246                                      char *argv[])
1247 {
1248         return wpa_ctrl_command(ctrl, "ERP_FLUSH");
1249 }
1250
1251
1252 static int hostapd_cli_cmd_log_level(struct wpa_ctrl *ctrl, int argc,
1253                                      char *argv[])
1254 {
1255         char cmd[256];
1256         int res;
1257
1258         res = os_snprintf(cmd, sizeof(cmd), "LOG_LEVEL%s%s%s%s",
1259                           argc >= 1 ? " " : "",
1260                           argc >= 1 ? argv[0] : "",
1261                           argc == 2 ? " " : "",
1262                           argc == 2 ? argv[1] : "");
1263         if (os_snprintf_error(sizeof(cmd), res)) {
1264                 printf("Too long option\n");
1265                 return -1;
1266         }
1267         return wpa_ctrl_command(ctrl, cmd);
1268 }
1269
1270
1271 static int hostapd_cli_cmd_raw(struct wpa_ctrl *ctrl, int argc, char *argv[])
1272 {
1273         if (argc == 0)
1274                 return -1;
1275         return hostapd_cli_cmd(ctrl, argv[0], 0, argc - 1, &argv[1]);
1276 }
1277
1278
1279 static int hostapd_cli_cmd_pmksa(struct wpa_ctrl *ctrl, int argc, char *argv[])
1280 {
1281         return wpa_ctrl_command(ctrl, "PMKSA");
1282 }
1283
1284
1285 static int hostapd_cli_cmd_pmksa_flush(struct wpa_ctrl *ctrl, int argc,
1286                                        char *argv[])
1287 {
1288         return wpa_ctrl_command(ctrl, "PMKSA_FLUSH");
1289 }
1290
1291
1292 static int hostapd_cli_cmd_set_neighbor(struct wpa_ctrl *ctrl, int argc,
1293                                         char *argv[])
1294 {
1295         char cmd[2048];
1296         int res;
1297
1298         if (argc < 3 || argc > 6) {
1299                 printf("Invalid set_neighbor command: needs 3-6 arguments\n");
1300                 return -1;
1301         }
1302
1303         res = os_snprintf(cmd, sizeof(cmd), "SET_NEIGHBOR %s %s %s %s %s %s",
1304                           argv[0], argv[1], argv[2], argc >= 4 ? argv[3] : "",
1305                           argc >= 5 ? argv[4] : "", argc == 6 ? argv[5] : "");
1306         if (os_snprintf_error(sizeof(cmd), res)) {
1307                 printf("Too long SET_NEIGHBOR command.\n");
1308                 return -1;
1309         }
1310         return wpa_ctrl_command(ctrl, cmd);
1311 }
1312
1313
1314 static int hostapd_cli_cmd_remove_neighbor(struct wpa_ctrl *ctrl, int argc,
1315                                            char *argv[])
1316 {
1317         char cmd[400];
1318         int res;
1319
1320         if (argc != 2) {
1321                 printf("Invalid remove_neighbor command: needs 2 arguments\n");
1322                 return -1;
1323         }
1324
1325         res = os_snprintf(cmd, sizeof(cmd), "REMOVE_NEIGHBOR %s %s",
1326                           argv[0], argv[1]);
1327         if (os_snprintf_error(sizeof(cmd), res)) {
1328                 printf("Too long REMOVE_NEIGHBOR command.\n");
1329                 return -1;
1330         }
1331         return wpa_ctrl_command(ctrl, cmd);
1332 }
1333
1334
1335 static int hostapd_cli_cmd_req_lci(struct wpa_ctrl *ctrl, int argc,
1336                                    char *argv[])
1337 {
1338         char cmd[256];
1339         int res;
1340
1341         if (argc != 1) {
1342                 printf("Invalid req_lci command - requires destination address\n");
1343                 return -1;
1344         }
1345
1346         res = os_snprintf(cmd, sizeof(cmd), "REQ_LCI %s", argv[0]);
1347         if (os_snprintf_error(sizeof(cmd), res)) {
1348                 printf("Too long REQ_LCI command.\n");
1349                 return -1;
1350         }
1351         return wpa_ctrl_command(ctrl, cmd);
1352 }
1353
1354
1355 static int hostapd_cli_cmd_req_range(struct wpa_ctrl *ctrl, int argc,
1356                                      char *argv[])
1357 {
1358         if (argc < 4) {
1359                 printf("Invalid req_range command: needs at least 4 arguments - dest address, randomization interval, min AP count, and 1 to 16 AP addresses\n");
1360                 return -1;
1361         }
1362
1363         return hostapd_cli_cmd(ctrl, "REQ_RANGE", 4, argc, argv);
1364 }
1365
1366
1367 static int hostapd_cli_cmd_driver_flags(struct wpa_ctrl *ctrl, int argc,
1368                                         char *argv[])
1369 {
1370         return wpa_ctrl_command(ctrl, "DRIVER_FLAGS");
1371 }
1372
1373
1374 #ifdef CONFIG_DPP
1375
1376 static int hostapd_cli_cmd_dpp_qr_code(struct wpa_ctrl *ctrl, int argc,
1377                                        char *argv[])
1378 {
1379         return hostapd_cli_cmd(ctrl, "DPP_QR_CODE", 1, argc, argv);
1380 }
1381
1382
1383 static int hostapd_cli_cmd_dpp_bootstrap_gen(struct wpa_ctrl *ctrl, int argc,
1384                                              char *argv[])
1385 {
1386         return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GEN", 1, argc, argv);
1387 }
1388
1389
1390 static int hostapd_cli_cmd_dpp_bootstrap_remove(struct wpa_ctrl *ctrl, int argc,
1391                                                 char *argv[])
1392 {
1393         return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_REMOVE", 1, argc, argv);
1394 }
1395
1396
1397 static int hostapd_cli_cmd_dpp_bootstrap_get_uri(struct wpa_ctrl *ctrl,
1398                                                  int argc, char *argv[])
1399 {
1400         return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_GET_URI", 1, argc, argv);
1401 }
1402
1403
1404 static int hostapd_cli_cmd_dpp_bootstrap_info(struct wpa_ctrl *ctrl, int argc,
1405                                               char *argv[])
1406 {
1407         return hostapd_cli_cmd(ctrl, "DPP_BOOTSTRAP_INFO", 1, argc, argv);
1408 }
1409
1410
1411 static int hostapd_cli_cmd_dpp_auth_init(struct wpa_ctrl *ctrl, int argc,
1412                                          char *argv[])
1413 {
1414         return hostapd_cli_cmd(ctrl, "DPP_AUTH_INIT", 1, argc, argv);
1415 }
1416
1417
1418 static int hostapd_cli_cmd_dpp_listen(struct wpa_ctrl *ctrl, int argc,
1419                                       char *argv[])
1420 {
1421         return hostapd_cli_cmd(ctrl, "DPP_LISTEN", 1, argc, argv);
1422 }
1423
1424
1425 static int hostapd_cli_cmd_dpp_stop_listen(struct wpa_ctrl *ctrl, int argc,
1426                                        char *argv[])
1427 {
1428         return wpa_ctrl_command(ctrl, "DPP_STOP_LISTEN");
1429 }
1430
1431
1432 static int hostapd_cli_cmd_dpp_configurator_add(struct wpa_ctrl *ctrl, int argc,
1433                                                 char *argv[])
1434 {
1435         return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_ADD", 0, argc, argv);
1436 }
1437
1438
1439 static int hostapd_cli_cmd_dpp_configurator_remove(struct wpa_ctrl *ctrl,
1440                                                    int argc, char *argv[])
1441 {
1442         return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_REMOVE", 1, argc, argv);
1443 }
1444
1445
1446 static int hostapd_cli_cmd_dpp_configurator_get_key(struct wpa_ctrl *ctrl,
1447                                                     int argc, char *argv[])
1448 {
1449         return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_GET_KEY", 1, argc, argv);
1450 }
1451
1452
1453 static int hostapd_cli_cmd_dpp_configurator_sign(struct wpa_ctrl *ctrl,
1454                                                  int argc, char *argv[])
1455 {
1456        return hostapd_cli_cmd(ctrl, "DPP_CONFIGURATOR_SIGN", 1, argc, argv);
1457 }
1458
1459
1460 static int hostapd_cli_cmd_dpp_pkex_add(struct wpa_ctrl *ctrl, int argc,
1461                                         char *argv[])
1462 {
1463         return hostapd_cli_cmd(ctrl, "DPP_PKEX_ADD", 1, argc, argv);
1464 }
1465
1466
1467 static int hostapd_cli_cmd_dpp_pkex_remove(struct wpa_ctrl *ctrl, int argc,
1468                                            char *argv[])
1469 {
1470         return hostapd_cli_cmd(ctrl, "DPP_PKEX_REMOVE", 1, argc, argv);
1471 }
1472
1473 #endif /* CONFIG_DPP */
1474
1475
1476 static int hostapd_cli_cmd_accept_macacl(struct wpa_ctrl *ctrl, int argc,
1477                                          char *argv[])
1478 {
1479         return hostapd_cli_cmd(ctrl, "ACCEPT_ACL", 1, argc, argv);
1480 }
1481
1482
1483 static int hostapd_cli_cmd_deny_macacl(struct wpa_ctrl *ctrl, int argc,
1484                                        char *argv[])
1485 {
1486         return hostapd_cli_cmd(ctrl, "DENY_ACL", 1, argc, argv);
1487 }
1488
1489
1490 static int hostapd_cli_cmd_poll_sta(struct wpa_ctrl *ctrl, int argc,
1491                                     char *argv[])
1492 {
1493         return hostapd_cli_cmd(ctrl, "POLL_STA", 1, argc, argv);
1494 }
1495
1496
1497 static int hostapd_cli_cmd_req_beacon(struct wpa_ctrl *ctrl, int argc,
1498                                       char *argv[])
1499 {
1500         return hostapd_cli_cmd(ctrl, "REQ_BEACON", 2, argc, argv);
1501 }
1502
1503
1504 static int hostapd_cli_cmd_reload_wpa_psk(struct wpa_ctrl *ctrl, int argc,
1505                                           char *argv[])
1506 {
1507         return wpa_ctrl_command(ctrl, "RELOAD_WPA_PSK");
1508 }
1509
1510
1511 struct hostapd_cli_cmd {
1512         const char *cmd;
1513         int (*handler)(struct wpa_ctrl *ctrl, int argc, char *argv[]);
1514         char ** (*completion)(const char *str, int pos);
1515         const char *usage;
1516 };
1517
1518 static const struct hostapd_cli_cmd hostapd_cli_commands[] = {
1519         { "ping", hostapd_cli_cmd_ping, NULL,
1520           "= pings hostapd" },
1521         { "mib", hostapd_cli_cmd_mib, NULL,
1522           "= get MIB variables (dot1x, dot11, radius)" },
1523         { "relog", hostapd_cli_cmd_relog, NULL,
1524           "= reload/truncate debug log output file" },
1525         { "status", hostapd_cli_cmd_status, NULL,
1526           "= show interface status info" },
1527         { "sta", hostapd_cli_cmd_sta, hostapd_complete_stations,
1528           "<addr> = get MIB variables for one station" },
1529         { "all_sta", hostapd_cli_cmd_all_sta, NULL,
1530            "= get MIB variables for all stations" },
1531         { "list_sta", hostapd_cli_cmd_list_sta, NULL,
1532            "= list all stations" },
1533         { "new_sta", hostapd_cli_cmd_new_sta, NULL,
1534           "<addr> = add a new station" },
1535         { "deauthenticate", hostapd_cli_cmd_deauthenticate,
1536           hostapd_complete_stations,
1537           "<addr> = deauthenticate a station" },
1538         { "disassociate", hostapd_cli_cmd_disassociate,
1539           hostapd_complete_stations,
1540           "<addr> = disassociate a station" },
1541 #ifdef CONFIG_TAXONOMY
1542         { "signature", hostapd_cli_cmd_signature, hostapd_complete_stations,
1543           "<addr> = get taxonomy signature for a station" },
1544 #endif /* CONFIG_TAXONOMY */
1545 #ifdef CONFIG_IEEE80211W
1546         { "sa_query", hostapd_cli_cmd_sa_query, hostapd_complete_stations,
1547           "<addr> = send SA Query to a station" },
1548 #endif /* CONFIG_IEEE80211W */
1549 #ifdef CONFIG_WPS
1550         { "wps_pin", hostapd_cli_cmd_wps_pin, NULL,
1551           "<uuid> <pin> [timeout] [addr] = add WPS Enrollee PIN" },
1552         { "wps_check_pin", hostapd_cli_cmd_wps_check_pin, NULL,
1553           "<PIN> = verify PIN checksum" },
1554         { "wps_pbc", hostapd_cli_cmd_wps_pbc, NULL,
1555           "= indicate button pushed to initiate PBC" },
1556         { "wps_cancel", hostapd_cli_cmd_wps_cancel, NULL,
1557           "= cancel the pending WPS operation" },
1558 #ifdef CONFIG_WPS_NFC
1559         { "wps_nfc_tag_read", hostapd_cli_cmd_wps_nfc_tag_read, NULL,
1560           "<hexdump> = report read NFC tag with WPS data" },
1561         { "wps_nfc_config_token", hostapd_cli_cmd_wps_nfc_config_token, NULL,
1562           "<WPS/NDEF> = build NFC configuration token" },
1563         { "wps_nfc_token", hostapd_cli_cmd_wps_nfc_token, NULL,
1564           "<WPS/NDEF/enable/disable> = manager NFC password token" },
1565         { "nfc_get_handover_sel", hostapd_cli_cmd_nfc_get_handover_sel, NULL,
1566           NULL },
1567 #endif /* CONFIG_WPS_NFC */
1568         { "wps_ap_pin", hostapd_cli_cmd_wps_ap_pin, NULL,
1569           "<cmd> [params..] = enable/disable AP PIN" },
1570         { "wps_config", hostapd_cli_cmd_wps_config, NULL,
1571           "<SSID> <auth> <encr> <key> = configure AP" },
1572         { "wps_get_status", hostapd_cli_cmd_wps_get_status, NULL,
1573           "= show current WPS status" },
1574 #endif /* CONFIG_WPS */
1575         { "disassoc_imminent", hostapd_cli_cmd_disassoc_imminent, NULL,
1576           "= send Disassociation Imminent notification" },
1577         { "ess_disassoc", hostapd_cli_cmd_ess_disassoc, NULL,
1578           "= send ESS Dissassociation Imminent notification" },
1579         { "bss_tm_req", hostapd_cli_cmd_bss_tm_req, NULL,
1580           "= send BSS Transition Management Request" },
1581         { "get_config", hostapd_cli_cmd_get_config, NULL,
1582           "= show current configuration" },
1583         { "help", hostapd_cli_cmd_help, hostapd_cli_complete_help,
1584           "= show this usage help" },
1585         { "interface", hostapd_cli_cmd_interface, hostapd_complete_interface,
1586           "[ifname] = show interfaces/select interface" },
1587 #ifdef CONFIG_FST
1588         { "fst", hostapd_cli_cmd_fst, NULL,
1589           "<params...> = send FST-MANAGER control interface command" },
1590 #endif /* CONFIG_FST */
1591         { "raw", hostapd_cli_cmd_raw, NULL,
1592           "<params..> = send unprocessed command" },
1593         { "level", hostapd_cli_cmd_level, NULL,
1594           "<debug level> = change debug level" },
1595         { "license", hostapd_cli_cmd_license, NULL,
1596           "= show full hostapd_cli license" },
1597         { "quit", hostapd_cli_cmd_quit, NULL,
1598           "= exit hostapd_cli" },
1599         { "set", hostapd_cli_cmd_set, hostapd_complete_set,
1600           "<name> <value> = set runtime variables" },
1601         { "get", hostapd_cli_cmd_get, hostapd_complete_get,
1602           "<name> = get runtime info" },
1603         { "set_qos_map_set", hostapd_cli_cmd_set_qos_map_set, NULL,
1604           "<arg,arg,...> = set QoS Map set element" },
1605         { "send_qos_map_conf", hostapd_cli_cmd_send_qos_map_conf,
1606           hostapd_complete_stations,
1607           "<addr> = send QoS Map Configure frame" },
1608         { "chan_switch", hostapd_cli_cmd_chan_switch, NULL,
1609           "<cs_count> <freq> [sec_channel_offset=] [center_freq1=]\n"
1610           "  [center_freq2=] [bandwidth=] [blocktx] [ht|vht]\n"
1611           "  = initiate channel switch announcement" },
1612         { "hs20_wnm_notif", hostapd_cli_cmd_hs20_wnm_notif, NULL,
1613           "<addr> <url>\n"
1614           "  = send WNM-Notification Subscription Remediation Request" },
1615         { "hs20_deauth_req", hostapd_cli_cmd_hs20_deauth_req, NULL,
1616           "<addr> <code (0/1)> <Re-auth-Delay(sec)> [url]\n"
1617           "  = send WNM-Notification imminent deauthentication indication" },
1618         { "vendor", hostapd_cli_cmd_vendor, NULL,
1619           "<vendor id> <sub command id> [<hex formatted data>]\n"
1620           "  = send vendor driver command" },
1621         { "enable", hostapd_cli_cmd_enable, NULL,
1622           "= enable hostapd on current interface" },
1623         { "reload", hostapd_cli_cmd_reload, NULL,
1624           "= reload configuration for current interface" },
1625         { "disable", hostapd_cli_cmd_disable, NULL,
1626           "= disable hostapd on current interface" },
1627         { "update_beacon", hostapd_cli_cmd_update_beacon, NULL,
1628           "= update Beacon frame contents\n"},
1629         { "erp_flush", hostapd_cli_cmd_erp_flush, NULL,
1630           "= drop all ERP keys"},
1631         { "log_level", hostapd_cli_cmd_log_level, NULL,
1632           "[level] = show/change log verbosity level" },
1633         { "pmksa", hostapd_cli_cmd_pmksa, NULL,
1634           " = show PMKSA cache entries" },
1635         { "pmksa_flush", hostapd_cli_cmd_pmksa_flush, NULL,
1636           " = flush PMKSA cache" },
1637         { "set_neighbor", hostapd_cli_cmd_set_neighbor, NULL,
1638           "<addr> <ssid=> <nr=> [lci=] [civic=] [stat]\n"
1639           "  = add AP to neighbor database" },
1640         { "remove_neighbor", hostapd_cli_cmd_remove_neighbor, NULL,
1641           "<addr> <ssid=> = remove AP from neighbor database" },
1642         { "req_lci", hostapd_cli_cmd_req_lci, hostapd_complete_stations,
1643           "<addr> = send LCI request to a station"},
1644         { "req_range", hostapd_cli_cmd_req_range, NULL,
1645           " = send FTM range request"},
1646         { "driver_flags", hostapd_cli_cmd_driver_flags, NULL,
1647           " = show supported driver flags"},
1648 #ifdef CONFIG_DPP
1649         { "dpp_qr_code", hostapd_cli_cmd_dpp_qr_code, NULL,
1650           "report a scanned DPP URI from a QR Code" },
1651         { "dpp_bootstrap_gen", hostapd_cli_cmd_dpp_bootstrap_gen, NULL,
1652           "type=<qrcode> [chan=..] [mac=..] [info=..] [curve=..] [key=..] = generate DPP bootstrap information" },
1653         { "dpp_bootstrap_remove", hostapd_cli_cmd_dpp_bootstrap_remove, NULL,
1654           "*|<id> = remove DPP bootstrap information" },
1655         { "dpp_bootstrap_get_uri", hostapd_cli_cmd_dpp_bootstrap_get_uri, NULL,
1656           "<id> = get DPP bootstrap URI" },
1657         { "dpp_bootstrap_info", hostapd_cli_cmd_dpp_bootstrap_info, NULL,
1658           "<id> = show DPP bootstrap information" },
1659         { "dpp_auth_init", hostapd_cli_cmd_dpp_auth_init, NULL,
1660           "peer=<id> [own=<id>] = initiate DPP bootstrapping" },
1661         { "dpp_listen", hostapd_cli_cmd_dpp_listen, NULL,
1662           "<freq in MHz> = start DPP listen" },
1663         { "dpp_stop_listen", hostapd_cli_cmd_dpp_stop_listen, NULL,
1664           "= stop DPP listen" },
1665         { "dpp_configurator_add", hostapd_cli_cmd_dpp_configurator_add, NULL,
1666           "[curve=..] [key=..] = add DPP configurator" },
1667         { "dpp_configurator_remove", hostapd_cli_cmd_dpp_configurator_remove,
1668           NULL,
1669           "*|<id> = remove DPP configurator" },
1670         { "dpp_configurator_get_key", hostapd_cli_cmd_dpp_configurator_get_key,
1671           NULL,
1672           "<id> = Get DPP configurator's private key" },
1673         { "dpp_configurator_sign", hostapd_cli_cmd_dpp_configurator_sign, NULL,
1674           "conf=<role> configurator=<id> = generate self DPP configuration" },
1675         { "dpp_pkex_add", hostapd_cli_cmd_dpp_pkex_add, NULL,
1676           "add PKEX code" },
1677         { "dpp_pkex_remove", hostapd_cli_cmd_dpp_pkex_remove, NULL,
1678           "*|<id> = remove DPP pkex information" },
1679 #endif /* CONFIG_DPP */
1680         { "accept_acl", hostapd_cli_cmd_accept_macacl, NULL,
1681           "=Add/Delete/Show/Clear accept MAC ACL" },
1682         { "deny_acl", hostapd_cli_cmd_deny_macacl, NULL,
1683           "=Add/Delete/Show/Clear deny MAC ACL" },
1684         { "poll_sta", hostapd_cli_cmd_poll_sta, hostapd_complete_stations,
1685           "<addr> = poll a STA to check connectivity with a QoS null frame" },
1686         { "req_beacon", hostapd_cli_cmd_req_beacon, NULL,
1687           "<addr> [req_mode=] <measurement request hexdump>  = send a Beacon report request to a station" },
1688         { "reload_wpa_psk", hostapd_cli_cmd_reload_wpa_psk, NULL,
1689           "= reload wpa_psk_file only" },
1690         { NULL, NULL, NULL, NULL }
1691 };
1692
1693
1694 /*
1695  * Prints command usage, lines are padded with the specified string.
1696  */
1697 static void print_cmd_help(FILE *stream, const struct hostapd_cli_cmd *cmd,
1698                            const char *pad)
1699 {
1700         char c;
1701         size_t n;
1702
1703         if (cmd->usage == NULL)
1704                 return;
1705         fprintf(stream, "%s%s ", pad, cmd->cmd);
1706         for (n = 0; (c = cmd->usage[n]); n++) {
1707                 fprintf(stream, "%c", c);
1708                 if (c == '\n')
1709                         fprintf(stream, "%s", pad);
1710         }
1711         fprintf(stream, "\n");
1712 }
1713
1714
1715 static void print_help(FILE *stream, const char *cmd)
1716 {
1717         int n;
1718
1719         fprintf(stream, "commands:\n");
1720         for (n = 0; hostapd_cli_commands[n].cmd; n++) {
1721                 if (cmd == NULL || str_starts(hostapd_cli_commands[n].cmd, cmd))
1722                         print_cmd_help(stream, &hostapd_cli_commands[n], "  ");
1723         }
1724 }
1725
1726
1727 static void wpa_request(struct wpa_ctrl *ctrl, int argc, char *argv[])
1728 {
1729         const struct hostapd_cli_cmd *cmd, *match = NULL;
1730         int count;
1731
1732         count = 0;
1733         cmd = hostapd_cli_commands;
1734         while (cmd->cmd) {
1735                 if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) == 0) {
1736                         match = cmd;
1737                         if (os_strcasecmp(cmd->cmd, argv[0]) == 0) {
1738                                 /* we have an exact match */
1739                                 count = 1;
1740                                 break;
1741                         }
1742                         count++;
1743                 }
1744                 cmd++;
1745         }
1746
1747         if (count > 1) {
1748                 printf("Ambiguous command '%s'; possible commands:", argv[0]);
1749                 cmd = hostapd_cli_commands;
1750                 while (cmd->cmd) {
1751                         if (strncasecmp(cmd->cmd, argv[0], strlen(argv[0])) ==
1752                             0) {
1753                                 printf(" %s", cmd->cmd);
1754                         }
1755                         cmd++;
1756                 }
1757                 printf("\n");
1758         } else if (count == 0) {
1759                 printf("Unknown command '%s'\n", argv[0]);
1760         } else {
1761                 match->handler(ctrl, argc - 1, &argv[1]);
1762         }
1763 }
1764
1765
1766 static void cli_event(const char *str)
1767 {
1768         const char *start, *s;
1769
1770         start = os_strchr(str, '>');
1771         if (start == NULL)
1772                 return;
1773
1774         start++;
1775
1776         if (str_starts(start, AP_STA_CONNECTED)) {
1777                 s = os_strchr(start, ' ');
1778                 if (s == NULL)
1779                         return;
1780                 cli_txt_list_add(&stations, s + 1);
1781                 return;
1782         }
1783
1784         if (str_starts(start, AP_STA_DISCONNECTED)) {
1785                 s = os_strchr(start, ' ');
1786                 if (s == NULL)
1787                         return;
1788                 cli_txt_list_del_addr(&stations, s + 1);
1789                 return;
1790         }
1791 }
1792
1793
1794 static void hostapd_cli_recv_pending(struct wpa_ctrl *ctrl, int in_read,
1795                                      int action_monitor)
1796 {
1797         int first = 1;
1798         if (ctrl_conn == NULL)
1799                 return;
1800         while (wpa_ctrl_pending(ctrl)) {
1801                 char buf[4096];
1802                 size_t len = sizeof(buf) - 1;
1803                 if (wpa_ctrl_recv(ctrl, buf, &len) == 0) {
1804                         buf[len] = '\0';
1805                         if (action_monitor)
1806                                 hostapd_cli_action_process(buf, len);
1807                         else {
1808                                 cli_event(buf);
1809                                 if (in_read && first)
1810                                         printf("\n");
1811                                 first = 0;
1812                                 printf("%s\n", buf);
1813                         }
1814                 } else {
1815                         printf("Could not read pending message.\n");
1816                         break;
1817                 }
1818         }
1819 }
1820
1821
1822 static void hostapd_cli_receive(int sock, void *eloop_ctx, void *sock_ctx)
1823 {
1824         hostapd_cli_recv_pending(ctrl_conn, 0, 0);
1825 }
1826
1827
1828 static void hostapd_cli_ping(void *eloop_ctx, void *timeout_ctx)
1829 {
1830         if (ctrl_conn && _wpa_ctrl_command(ctrl_conn, "PING", 0)) {
1831                 printf("Connection to hostapd lost - trying to reconnect\n");
1832                 hostapd_cli_close_connection();
1833         }
1834         if (!ctrl_conn && hostapd_cli_reconnect(ctrl_ifname) == 0)
1835                 printf("Connection to hostapd re-established\n");
1836         if (ctrl_conn)
1837                 hostapd_cli_recv_pending(ctrl_conn, 1, 0);
1838         eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1839 }
1840
1841
1842 static void hostapd_cli_eloop_terminate(int sig, void *signal_ctx)
1843 {
1844         eloop_terminate();
1845 }
1846
1847
1848 static void hostapd_cli_edit_cmd_cb(void *ctx, char *cmd)
1849 {
1850         char *argv[max_args];
1851         int argc;
1852         argc = tokenize_cmd(cmd, argv);
1853         if (argc)
1854                 wpa_request(ctrl_conn, argc, argv);
1855 }
1856
1857
1858 static void hostapd_cli_edit_eof_cb(void *ctx)
1859 {
1860         eloop_terminate();
1861 }
1862
1863
1864 static char ** list_cmd_list(void)
1865 {
1866         char **res;
1867         int i, count;
1868
1869         count = ARRAY_SIZE(hostapd_cli_commands);
1870         res = os_calloc(count + 1, sizeof(char *));
1871         if (res == NULL)
1872                 return NULL;
1873
1874         for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1875                 res[i] = os_strdup(hostapd_cli_commands[i].cmd);
1876                 if (res[i] == NULL)
1877                         break;
1878         }
1879
1880         return res;
1881 }
1882
1883
1884 static char ** hostapd_cli_cmd_completion(const char *cmd, const char *str,
1885                                       int pos)
1886 {
1887         int i;
1888
1889         for (i = 0; hostapd_cli_commands[i].cmd; i++) {
1890                 if (os_strcasecmp(hostapd_cli_commands[i].cmd, cmd) != 0)
1891                         continue;
1892                 if (hostapd_cli_commands[i].completion)
1893                         return hostapd_cli_commands[i].completion(str, pos);
1894                 if (!hostapd_cli_commands[i].usage)
1895                         return NULL;
1896                 edit_clear_line();
1897                 printf("\r%s\n", hostapd_cli_commands[i].usage);
1898                 edit_redraw();
1899                 break;
1900         }
1901
1902         return NULL;
1903 }
1904
1905
1906 static char ** hostapd_cli_edit_completion_cb(void *ctx, const char *str,
1907                                               int pos)
1908 {
1909         char **res;
1910         const char *end;
1911         char *cmd;
1912
1913         end = os_strchr(str, ' ');
1914         if (end == NULL || str + pos < end)
1915                 return list_cmd_list();
1916
1917         cmd = os_malloc(pos + 1);
1918         if (cmd == NULL)
1919                 return NULL;
1920         os_memcpy(cmd, str, pos);
1921         cmd[end - str] = '\0';
1922         res = hostapd_cli_cmd_completion(cmd, str, pos);
1923         os_free(cmd);
1924         return res;
1925 }
1926
1927
1928 static void hostapd_cli_interactive(void)
1929 {
1930         char *hfile = NULL;
1931         char *home;
1932
1933         printf("\nInteractive mode\n\n");
1934
1935 #ifdef CONFIG_HOSTAPD_CLI_HISTORY_DIR
1936         home = CONFIG_HOSTAPD_CLI_HISTORY_DIR;
1937 #else /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
1938         home = getenv("HOME");
1939 #endif /* CONFIG_HOSTAPD_CLI_HISTORY_DIR */
1940         if (home) {
1941                 const char *fname = ".hostapd_cli_history";
1942                 int hfile_len = os_strlen(home) + 1 + os_strlen(fname) + 1;
1943                 hfile = os_malloc(hfile_len);
1944                 if (hfile)
1945                         os_snprintf(hfile, hfile_len, "%s/%s", home, fname);
1946         }
1947
1948         eloop_register_signal_terminate(hostapd_cli_eloop_terminate, NULL);
1949         edit_init(hostapd_cli_edit_cmd_cb, hostapd_cli_edit_eof_cb,
1950                   hostapd_cli_edit_completion_cb, NULL, hfile, NULL);
1951         eloop_register_timeout(ping_interval, 0, hostapd_cli_ping, NULL, NULL);
1952
1953         eloop_run();
1954
1955         cli_txt_list_flush(&stations);
1956         edit_deinit(hfile, NULL);
1957         os_free(hfile);
1958         eloop_cancel_timeout(hostapd_cli_ping, NULL, NULL);
1959 }
1960
1961
1962 static void hostapd_cli_cleanup(void)
1963 {
1964         hostapd_cli_close_connection();
1965         if (pid_file)
1966                 os_daemonize_terminate(pid_file);
1967
1968         os_program_deinit();
1969 }
1970
1971
1972 static void hostapd_cli_action(struct wpa_ctrl *ctrl)
1973 {
1974         fd_set rfds;
1975         int fd, res;
1976         struct timeval tv;
1977         char buf[256];
1978         size_t len;
1979
1980         fd = wpa_ctrl_get_fd(ctrl);
1981
1982         while (!hostapd_cli_quit) {
1983                 FD_ZERO(&rfds);
1984                 FD_SET(fd, &rfds);
1985                 tv.tv_sec = ping_interval;
1986                 tv.tv_usec = 0;
1987                 res = select(fd + 1, &rfds, NULL, NULL, &tv);
1988                 if (res < 0 && errno != EINTR) {
1989                         perror("select");
1990                         break;
1991                 }
1992
1993                 if (FD_ISSET(fd, &rfds))
1994                         hostapd_cli_recv_pending(ctrl, 0, 1);
1995                 else {
1996                         len = sizeof(buf) - 1;
1997                         if (wpa_ctrl_request(ctrl, "PING", 4, buf, &len,
1998                                              hostapd_cli_action_process) < 0 ||
1999                             len < 4 || os_memcmp(buf, "PONG", 4) != 0) {
2000                                 printf("hostapd did not reply to PING "
2001                                        "command - exiting\n");
2002                                 break;
2003                         }
2004                 }
2005         }
2006 }
2007
2008
2009 int main(int argc, char *argv[])
2010 {
2011         int warning_displayed = 0;
2012         int c;
2013         int daemonize = 0;
2014
2015         if (os_program_init())
2016                 return -1;
2017
2018         for (;;) {
2019                 c = getopt(argc, argv, "a:BhG:i:p:P:s:v");
2020                 if (c < 0)
2021                         break;
2022                 switch (c) {
2023                 case 'a':
2024                         action_file = optarg;
2025                         break;
2026                 case 'B':
2027                         daemonize = 1;
2028                         break;
2029                 case 'G':
2030                         ping_interval = atoi(optarg);
2031                         break;
2032                 case 'h':
2033                         usage();
2034                         return 0;
2035                 case 'v':
2036                         printf("%s\n", hostapd_cli_version);
2037                         return 0;
2038                 case 'i':
2039                         os_free(ctrl_ifname);
2040                         ctrl_ifname = os_strdup(optarg);
2041                         break;
2042                 case 'p':
2043                         ctrl_iface_dir = optarg;
2044                         break;
2045                 case 'P':
2046                         pid_file = optarg;
2047                         break;
2048                 case 's':
2049                         client_socket_dir = optarg;
2050                         break;
2051                 default:
2052                         usage();
2053                         return -1;
2054                 }
2055         }
2056
2057         interactive = (argc == optind) && (action_file == NULL);
2058
2059         if (interactive) {
2060                 printf("%s\n\n%s\n\n", hostapd_cli_version, cli_license);
2061         }
2062
2063         if (eloop_init())
2064                 return -1;
2065
2066         for (;;) {
2067                 if (ctrl_ifname == NULL) {
2068                         struct dirent *dent;
2069                         DIR *dir = opendir(ctrl_iface_dir);
2070                         if (dir) {
2071                                 while ((dent = readdir(dir))) {
2072                                         if (os_strcmp(dent->d_name, ".") == 0
2073                                             ||
2074                                             os_strcmp(dent->d_name, "..") == 0)
2075                                                 continue;
2076                                         printf("Selected interface '%s'\n",
2077                                                dent->d_name);
2078                                         ctrl_ifname = os_strdup(dent->d_name);
2079                                         break;
2080                                 }
2081                                 closedir(dir);
2082                         }
2083                 }
2084                 hostapd_cli_reconnect(ctrl_ifname);
2085                 if (ctrl_conn) {
2086                         if (warning_displayed)
2087                                 printf("Connection established.\n");
2088                         break;
2089                 }
2090
2091                 if (!interactive) {
2092                         perror("Failed to connect to hostapd - "
2093                                "wpa_ctrl_open");
2094                         return -1;
2095                 }
2096
2097                 if (!warning_displayed) {
2098                         printf("Could not connect to hostapd - re-trying\n");
2099                         warning_displayed = 1;
2100                 }
2101                 os_sleep(1, 0);
2102                 continue;
2103         }
2104
2105         if (action_file && !hostapd_cli_attached)
2106                 return -1;
2107         if (daemonize && os_daemonize(pid_file) && eloop_sock_requeue())
2108                 return -1;
2109
2110         if (interactive)
2111                 hostapd_cli_interactive();
2112         else if (action_file)
2113                 hostapd_cli_action(ctrl_conn);
2114         else
2115                 wpa_request(ctrl_conn, argc - optind, &argv[optind]);
2116
2117         unregister_event_handler(ctrl_conn);
2118         os_free(ctrl_ifname);
2119         eloop_destroy();
2120         hostapd_cli_cleanup();
2121         return 0;
2122 }
2123
2124 #else /* CONFIG_NO_CTRL_IFACE */
2125
2126 int main(int argc, char *argv[])
2127 {
2128         return -1;
2129 }
2130
2131 #endif /* CONFIG_NO_CTRL_IFACE */