src/drivers/driver_test.c

   1 /*
   2  * Testing driver interface for a simulated network driver
   3  * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 /* Make sure we get winsock2.h for Windows build to get sockaddr_storage */
  16 #include "build_config.h"
  17 #ifdef CONFIG_NATIVE_WINDOWS
  18 #include <winsock2.h>
  19 #endif /* CONFIG_NATIVE_WINDOWS */
  20
  21 #include "utils/includes.h"
  22
  23 #ifndef CONFIG_NATIVE_WINDOWS
  24 #include <sys/un.h>
  25 #include <dirent.h>
  26 #include <sys/stat.h>
  27 #define DRIVER_TEST_UNIX
  28 #endif /* CONFIG_NATIVE_WINDOWS */
  29
  30 #include "utils/common.h"
  31 #include "utils/eloop.h"
  32 #include "utils/list.h"
  33 #include "utils/trace.h"
  34 #include "common/ieee802_11_defs.h"
  35 #include "crypto/sha1.h"
  36 #include "l2_packet/l2_packet.h"
  37 #include "driver.h"
  38
  39
  40 struct test_client_socket {
  41         struct test_client_socket *next;
  42         u8 addr[ETH_ALEN];
  43         struct sockaddr_un un;
  44         socklen_t unlen;
  45         struct test_driver_bss *bss;
  46 };
  47
  48 struct test_driver_bss {
  49         struct wpa_driver_test_data *drv;
  50         struct dl_list list;
  51         void *bss_ctx;
  52         char ifname[IFNAMSIZ];
  53         u8 bssid[ETH_ALEN];
  54         u8 *ie;
  55         size_t ielen;
  56         u8 *wps_beacon_ie;
  57         size_t wps_beacon_ie_len;
  58         u8 *wps_probe_resp_ie;
  59         size_t wps_probe_resp_ie_len;
  60         u8 ssid[32];
  61         size_t ssid_len;
  62         int privacy;
  63 };
  64
  65 struct wpa_driver_test_global {
  66         int bss_add_used;
  67         u8 req_addr[ETH_ALEN];
  68 };
  69
  70 struct wpa_driver_test_data {
  71         struct wpa_driver_test_global *global;
  72         void *ctx;
  73         WPA_TRACE_REF(ctx);
  74         u8 own_addr[ETH_ALEN];
  75         int test_socket;
  76 #ifdef DRIVER_TEST_UNIX
  77         struct sockaddr_un hostapd_addr;
  78 #endif /* DRIVER_TEST_UNIX */
  79         int hostapd_addr_set;
  80         struct sockaddr_in hostapd_addr_udp;
  81         int hostapd_addr_udp_set;
  82         char *own_socket_path;
  83         char *test_dir;
  84 #define MAX_SCAN_RESULTS 30
  85         struct wpa_scan_res *scanres[MAX_SCAN_RESULTS];
  86         size_t num_scanres;
  87         int use_associnfo;
  88         u8 assoc_wpa_ie[80];
  89         size_t assoc_wpa_ie_len;
  90         int use_mlme;
  91         int associated;
  92         u8 *probe_req_ie;
  93         size_t probe_req_ie_len;
  94         u8 probe_req_ssid[32];
  95         size_t probe_req_ssid_len;
  96         int ibss;
  97         int ap;
  98
  99         struct test_client_socket *cli;
 100         struct dl_list bss;
 101         int udp_port;
 102
 103         int alloc_iface_idx;
 104
 105         int probe_req_report;
 106         unsigned int remain_on_channel_freq;
 107         unsigned int remain_on_channel_duration;
 108
 109         int current_freq;
 110 };
 111
 112
 113 static void wpa_driver_test_deinit(void *priv);
 114 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
 115                                   const char *dir, int ap);
 116 static void wpa_driver_test_close_test_socket(
 117         struct wpa_driver_test_data *drv);
 118 static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx);
 119
 120
 121 static void test_driver_free_bss(struct test_driver_bss *bss)
 122 {
 123         os_free(bss->ie);
 124         os_free(bss->wps_beacon_ie);
 125         os_free(bss->wps_probe_resp_ie);
 126         os_free(bss);
 127 }
 128
 129
 130 static void test_driver_free_bsses(struct wpa_driver_test_data *drv)
 131 {
 132         struct test_driver_bss *bss, *tmp;
 133
 134         dl_list_for_each_safe(bss, tmp, &drv->bss, struct test_driver_bss,
 135                               list) {
 136                 dl_list_del(&bss->list);
 137                 test_driver_free_bss(bss);
 138         }
 139 }
 140
 141
 142 static struct test_client_socket *
 143 test_driver_get_cli(struct wpa_driver_test_data *drv, struct sockaddr_un *from,
 144                     socklen_t fromlen)
 145 {
 146         struct test_client_socket *cli = drv->cli;
 147
 148         while (cli) {
 149                 if (cli->unlen == fromlen &&
 150                     strncmp(cli->un.sun_path, from->sun_path,
 151                             fromlen - sizeof(cli->un.sun_family)) == 0)
 152                         return cli;
 153                 cli = cli->next;
 154         }
 155
 156         return NULL;
 157 }
 158
 159
 160 static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
 161                                   size_t data_len, int encrypt,
 162                                   const u8 *own_addr)
 163 {
 164         struct test_driver_bss *dbss = priv;
 165         struct wpa_driver_test_data *drv = dbss->drv;
 166         struct test_client_socket *cli;
 167         struct msghdr msg;
 168         struct iovec io[3];
 169         struct l2_ethhdr eth;
 170
 171         if (drv->test_socket < 0)
 172                 return -1;
 173
 174         cli = drv->cli;
 175         while (cli) {
 176                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 177                         break;
 178                 cli = cli->next;
 179         }
 180
 181         if (!cli) {
 182                 wpa_printf(MSG_DEBUG, "%s: no destination client entry",
 183                            __func__);
 184                 return -1;
 185         }
 186
 187         memcpy(eth.h_dest, addr, ETH_ALEN);
 188         memcpy(eth.h_source, own_addr, ETH_ALEN);
 189         eth.h_proto = host_to_be16(ETH_P_EAPOL);
 190
 191         io[0].iov_base = "EAPOL ";
 192         io[0].iov_len = 6;
 193         io[1].iov_base = &eth;
 194         io[1].iov_len = sizeof(eth);
 195         io[2].iov_base = (u8 *) data;
 196         io[2].iov_len = data_len;
 197
 198         memset(&msg, 0, sizeof(msg));
 199         msg.msg_iov = io;
 200         msg.msg_iovlen = 3;
 201         msg.msg_name = &cli->un;
 202         msg.msg_namelen = cli->unlen;
 203         return sendmsg(drv->test_socket, &msg, 0);
 204 }
 205
 206
 207 static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
 208                                   u16 proto, const u8 *data, size_t data_len)
 209 {
 210         struct test_driver_bss *dbss = priv;
 211         struct wpa_driver_test_data *drv = dbss->drv;
 212         struct msghdr msg;
 213         struct iovec io[3];
 214         struct l2_ethhdr eth;
 215         char desttxt[30];
 216         struct sockaddr_un addr;
 217         struct dirent *dent;
 218         DIR *dir;
 219         int ret = 0, broadcast = 0, count = 0;
 220
 221         if (drv->test_socket < 0 || drv->test_dir == NULL) {
 222                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
 223                            "test_dir=%p)",
 224                            __func__, drv->test_socket, drv->test_dir);
 225                 return -1;
 226         }
 227
 228         broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 229         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
 230
 231         memcpy(eth.h_dest, dst, ETH_ALEN);
 232         memcpy(eth.h_source, src, ETH_ALEN);
 233         eth.h_proto = host_to_be16(proto);
 234
 235         io[0].iov_base = "ETHER ";
 236         io[0].iov_len = 6;
 237         io[1].iov_base = &eth;
 238         io[1].iov_len = sizeof(eth);
 239         io[2].iov_base = (u8 *) data;
 240         io[2].iov_len = data_len;
 241
 242         memset(&msg, 0, sizeof(msg));
 243         msg.msg_iov = io;
 244         msg.msg_iovlen = 3;
 245
 246         dir = opendir(drv->test_dir);
 247         if (dir == NULL) {
 248                 perror("test_driver: opendir");
 249                 return -1;
 250         }
 251         while ((dent = readdir(dir))) {
 252 #ifdef _DIRENT_HAVE_D_TYPE
 253                 /* Skip the file if it is not a socket. Also accept
 254                  * DT_UNKNOWN (0) in case the C library or underlying file
 255                  * system does not support d_type. */
 256                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 257                         continue;
 258 #endif /* _DIRENT_HAVE_D_TYPE */
 259                 if (strcmp(dent->d_name, ".") == 0 ||
 260                     strcmp(dent->d_name, "..") == 0)
 261                         continue;
 262
 263                 memset(&addr, 0, sizeof(addr));
 264                 addr.sun_family = AF_UNIX;
 265                 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 266                          drv->test_dir, dent->d_name);
 267
 268                 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
 269                         continue;
 270                 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
 271                         continue;
 272
 273                 wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
 274                            __func__, dent->d_name);
 275
 276                 msg.msg_name = &addr;
 277                 msg.msg_namelen = sizeof(addr);
 278                 ret = sendmsg(drv->test_socket, &msg, 0);
 279                 if (ret < 0)
 280                         perror("driver_test: sendmsg");
 281                 count++;
 282         }
 283         closedir(dir);
 284
 285         if (!broadcast && count == 0) {
 286                 wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
 287                            __func__, MAC2STR(dst));
 288                 return -1;
 289         }
 290
 291         return ret;
 292 }
 293
 294
 295 static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
 296                                      size_t data_len)
 297 {
 298         struct test_driver_bss *dbss = priv;
 299         struct wpa_driver_test_data *drv = dbss->drv;
 300         struct msghdr msg;
 301         struct iovec io[2];
 302         const u8 *dest;
 303         struct sockaddr_un addr;
 304         struct dirent *dent;
 305         DIR *dir;
 306         int broadcast;
 307         int ret = 0;
 308         struct ieee80211_hdr *hdr;
 309         u16 fc;
 310         char cmd[50];
 311         int freq;
 312 #ifdef HOSTAPD
 313         char desttxt[30];
 314 #endif /* HOSTAPD */
 315         union wpa_event_data event;
 316
 317         wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
 318         if (drv->test_socket < 0 || data_len < 10) {
 319                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
 320                            " test_dir=%p)",
 321                            __func__, drv->test_socket,
 322                            (unsigned long) data_len,
 323                            drv->test_dir);
 324                 return -1;
 325         }
 326
 327         dest = data + 4;
 328         broadcast = os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 329
 330 #ifdef HOSTAPD
 331         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
 332 #endif /* HOSTAPD */
 333
 334         if (drv->remain_on_channel_freq)
 335                 freq = drv->remain_on_channel_freq;
 336         else
 337                 freq = drv->current_freq;
 338         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME TX on freq %d MHz",
 339                    dbss->ifname, freq);
 340         os_snprintf(cmd, sizeof(cmd), "MLME freq=%d ", freq);
 341         io[0].iov_base = cmd;
 342         io[0].iov_len = os_strlen(cmd);
 343         io[1].iov_base = (void *) data;
 344         io[1].iov_len = data_len;
 345
 346         os_memset(&msg, 0, sizeof(msg));
 347         msg.msg_iov = io;
 348         msg.msg_iovlen = 2;
 349
 350 #ifdef HOSTAPD
 351         if (drv->test_dir == NULL) {
 352                 wpa_printf(MSG_DEBUG, "%s: test_dir == NULL", __func__);
 353                 return -1;
 354         }
 355
 356         dir = opendir(drv->test_dir);
 357         if (dir == NULL) {
 358                 perror("test_driver: opendir");
 359                 return -1;
 360         }
 361         while ((dent = readdir(dir))) {
 362 #ifdef _DIRENT_HAVE_D_TYPE
 363                 /* Skip the file if it is not a socket. Also accept
 364                  * DT_UNKNOWN (0) in case the C library or underlying file
 365                  * system does not support d_type. */
 366                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 367                         continue;
 368 #endif /* _DIRENT_HAVE_D_TYPE */
 369                 if (os_strcmp(dent->d_name, ".") == 0 ||
 370                     os_strcmp(dent->d_name, "..") == 0)
 371                         continue;
 372
 373                 os_memset(&addr, 0, sizeof(addr));
 374                 addr.sun_family = AF_UNIX;
 375                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 376                             drv->test_dir, dent->d_name);
 377
 378                 if (os_strcmp(addr.sun_path, drv->own_socket_path) == 0)
 379                         continue;
 380                 if (!broadcast && os_strstr(dent->d_name, desttxt) == NULL)
 381                         continue;
 382
 383                 wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
 384                            __func__, dent->d_name);
 385
 386                 msg.msg_name = &addr;
 387                 msg.msg_namelen = sizeof(addr);
 388                 ret = sendmsg(drv->test_socket, &msg, 0);
 389                 if (ret < 0)
 390                         perror("driver_test: sendmsg(test_socket)");
 391         }
 392         closedir(dir);
 393 #else /* HOSTAPD */
 394
 395         if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
 396             drv->test_dir == NULL) {
 397                 if (drv->hostapd_addr_udp_set) {
 398                         msg.msg_name = &drv->hostapd_addr_udp;
 399                         msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
 400                 } else {
 401 #ifdef DRIVER_TEST_UNIX
 402                         msg.msg_name = &drv->hostapd_addr;
 403                         msg.msg_namelen = sizeof(drv->hostapd_addr);
 404 #endif /* DRIVER_TEST_UNIX */
 405                 }
 406         } else if (broadcast) {
 407                 dir = opendir(drv->test_dir);
 408                 if (dir == NULL)
 409                         return -1;
 410                 while ((dent = readdir(dir))) {
 411 #ifdef _DIRENT_HAVE_D_TYPE
 412                         /* Skip the file if it is not a socket.
 413                          * Also accept DT_UNKNOWN (0) in case
 414                          * the C library or underlying file
 415                          * system does not support d_type. */
 416                         if (dent->d_type != DT_SOCK &&
 417                             dent->d_type != DT_UNKNOWN)
 418                                 continue;
 419 #endif /* _DIRENT_HAVE_D_TYPE */
 420                         if (os_strcmp(dent->d_name, ".") == 0 ||
 421                             os_strcmp(dent->d_name, "..") == 0)
 422                                 continue;
 423                         wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
 424                                    __func__, dent->d_name);
 425                         os_memset(&addr, 0, sizeof(addr));
 426                         addr.sun_family = AF_UNIX;
 427                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 428                                     "%s/%s", drv->test_dir, dent->d_name);
 429
 430                         msg.msg_name = &addr;
 431                         msg.msg_namelen = sizeof(addr);
 432
 433                         ret = sendmsg(drv->test_socket, &msg, 0);
 434                         if (ret < 0)
 435                                 perror("driver_test: sendmsg(test_socket)");
 436                 }
 437                 closedir(dir);
 438                 return ret;
 439         } else {
 440                 struct stat st;
 441                 os_memset(&addr, 0, sizeof(addr));
 442                 addr.sun_family = AF_UNIX;
 443                 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 444                             "%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
 445                 if (stat(addr.sun_path, &st) < 0) {
 446                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 447                                     "%s/STA-" MACSTR,
 448                                     drv->test_dir, MAC2STR(dest));
 449                 }
 450                 msg.msg_name = &addr;
 451                 msg.msg_namelen = sizeof(addr);
 452         }
 453
 454         if (sendmsg(drv->test_socket, &msg, 0) < 0) {
 455                 perror("sendmsg(test_socket)");
 456                 return -1;
 457         }
 458 #endif /* HOSTAPD */
 459
 460         hdr = (struct ieee80211_hdr *) data;
 461         fc = le_to_host16(hdr->frame_control);
 462
 463         os_memset(&event, 0, sizeof(event));
 464         event.tx_status.type = WLAN_FC_GET_TYPE(fc);
 465         event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
 466         event.tx_status.dst = hdr->addr1;
 467         event.tx_status.data = data;
 468         event.tx_status.data_len = data_len;
 469         event.tx_status.ack = ret >= 0;
 470         wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
 471
 472         return ret;
 473 }
 474
 475
 476 static void test_driver_scan(struct wpa_driver_test_data *drv,
 477                              struct sockaddr_un *from, socklen_t fromlen,
 478                              char *data)
 479 {
 480         char buf[512], *pos, *end;
 481         int ret;
 482         struct test_driver_bss *bss;
 483         u8 sa[ETH_ALEN];
 484         u8 ie[512];
 485         size_t ielen;
 486         union wpa_event_data event;
 487
 488         /* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
 489
 490         wpa_printf(MSG_DEBUG, "test_driver: SCAN");
 491
 492         if (*data) {
 493                 if (*data != ' ' ||
 494                     hwaddr_aton(data + 1, sa)) {
 495                         wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
 496                                    "command format");
 497                         return;
 498                 }
 499
 500                 data += 18;
 501                 while (*data == ' ')
 502                         data++;
 503                 ielen = os_strlen(data) / 2;
 504                 if (ielen > sizeof(ie))
 505                         ielen = sizeof(ie);
 506                 if (hexstr2bin(data, ie, ielen) < 0)
 507                         ielen = 0;
 508
 509                 wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
 510                            MAC2STR(sa));
 511                 wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
 512
 513                 os_memset(&event, 0, sizeof(event));
 514                 event.rx_probe_req.sa = sa;
 515                 event.rx_probe_req.ie = ie;
 516                 event.rx_probe_req.ie_len = ielen;
 517                 wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ, &event);
 518         }
 519
 520         dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
 521                 pos = buf;
 522                 end = buf + sizeof(buf);
 523
 524                 /* reply: SCANRESP BSSID SSID IEs */
 525                 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
 526                                MAC2STR(bss->bssid));
 527                 if (ret < 0 || ret >= end - pos)
 528                         return;
 529                 pos += ret;
 530                 pos += wpa_snprintf_hex(pos, end - pos,
 531                                         bss->ssid, bss->ssid_len);
 532                 ret = snprintf(pos, end - pos, " ");
 533                 if (ret < 0 || ret >= end - pos)
 534                         return;
 535                 pos += ret;
 536                 pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
 537                 pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
 538                                         bss->wps_probe_resp_ie_len);
 539
 540                 if (bss->privacy) {
 541                         ret = snprintf(pos, end - pos, " PRIVACY");
 542                         if (ret < 0 || ret >= end - pos)
 543                                 return;
 544                         pos += ret;
 545                 }
 546
 547                 sendto(drv->test_socket, buf, pos - buf, 0,
 548                        (struct sockaddr *) from, fromlen);
 549         }
 550 }
 551
 552
 553 static void test_driver_assoc(struct wpa_driver_test_data *drv,
 554                               struct sockaddr_un *from, socklen_t fromlen,
 555                               char *data)
 556 {
 557         struct test_client_socket *cli;
 558         u8 ie[256], ssid[32];
 559         size_t ielen, ssid_len = 0;
 560         char *pos, *pos2, cmd[50];
 561         struct test_driver_bss *bss, *tmp;
 562
 563         /* data: STA-addr SSID(hex) IEs(hex) */
 564
 565         cli = os_zalloc(sizeof(*cli));
 566         if (cli == NULL)
 567                 return;
 568
 569         if (hwaddr_aton(data, cli->addr)) {
 570                 printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
 571                        data);
 572                 os_free(cli);
 573                 return;
 574         }
 575         pos = data + 17;
 576         while (*pos == ' ')
 577                 pos++;
 578         pos2 = strchr(pos, ' ');
 579         ielen = 0;
 580         if (pos2) {
 581                 ssid_len = (pos2 - pos) / 2;
 582                 if (hexstr2bin(pos, ssid, ssid_len) < 0) {
 583                         wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
 584                         os_free(cli);
 585                         return;
 586                 }
 587                 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
 588                                   ssid, ssid_len);
 589
 590                 pos = pos2 + 1;
 591                 ielen = strlen(pos) / 2;
 592                 if (ielen > sizeof(ie))
 593                         ielen = sizeof(ie);
 594                 if (hexstr2bin(pos, ie, ielen) < 0)
 595                         ielen = 0;
 596         }
 597
 598         bss = NULL;
 599         dl_list_for_each(tmp, &drv->bss, struct test_driver_bss, list) {
 600                 if (tmp->ssid_len == ssid_len &&
 601                     os_memcmp(tmp->ssid, ssid, ssid_len) == 0) {
 602                         bss = tmp;
 603                         break;
 604                 }
 605         }
 606         if (bss == NULL) {
 607                 wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
 608                            "configured BSSes", __func__);
 609                 os_free(cli);
 610                 return;
 611         }
 612
 613         cli->bss = bss;
 614         memcpy(&cli->un, from, sizeof(cli->un));
 615         cli->unlen = fromlen;
 616         cli->next = drv->cli;
 617         drv->cli = cli;
 618         wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
 619                           (const u8 *) cli->un.sun_path,
 620                           cli->unlen - sizeof(cli->un.sun_family));
 621
 622         snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
 623                  MAC2STR(bss->bssid));
 624         sendto(drv->test_socket, cmd, strlen(cmd), 0,
 625                (struct sockaddr *) from, fromlen);
 626
 627         drv_event_assoc(bss->bss_ctx, cli->addr, ie, ielen);
 628 }
 629
 630
 631 static void test_driver_disassoc(struct wpa_driver_test_data *drv,
 632                                  struct sockaddr_un *from, socklen_t fromlen)
 633 {
 634         struct test_client_socket *cli;
 635
 636         cli = test_driver_get_cli(drv, from, fromlen);
 637         if (!cli)
 638                 return;
 639
 640         drv_event_disassoc(drv->ctx, cli->addr);
 641 }
 642
 643
 644 static void test_driver_eapol(struct wpa_driver_test_data *drv,
 645                               struct sockaddr_un *from, socklen_t fromlen,
 646                               u8 *data, size_t datalen)
 647 {
 648 #ifdef HOSTAPD
 649         struct test_client_socket *cli;
 650 #endif /* HOSTAPD */
 651         const u8 *src = NULL;
 652
 653         if (datalen > 14) {
 654                 /* Skip Ethernet header */
 655                 src = data + ETH_ALEN;
 656                 wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
 657                            MACSTR " proto=%04x",
 658                            MAC2STR(data), MAC2STR(src),
 659                            WPA_GET_BE16(data + 2 * ETH_ALEN));
 660                 data += 14;
 661                 datalen -= 14;
 662         }
 663
 664 #ifdef HOSTAPD
 665         cli = test_driver_get_cli(drv, from, fromlen);
 666         if (cli) {
 667                 drv_event_eapol_rx(cli->bss->bss_ctx, cli->addr, data,
 668                                    datalen);
 669         } else {
 670                 wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
 671                            "client");
 672         }
 673 #else /* HOSTAPD */
 674         if (src)
 675                 drv_event_eapol_rx(drv->ctx, src, data, datalen);
 676 #endif /* HOSTAPD */
 677 }
 678
 679
 680 static void test_driver_ether(struct wpa_driver_test_data *drv,
 681                               struct sockaddr_un *from, socklen_t fromlen,
 682                               u8 *data, size_t datalen)
 683 {
 684         struct l2_ethhdr *eth;
 685
 686         if (datalen < sizeof(*eth))
 687                 return;
 688
 689         eth = (struct l2_ethhdr *) data;
 690         wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
 691                    MACSTR " proto=%04x",
 692                    MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
 693                    be_to_host16(eth->h_proto));
 694
 695 #ifdef CONFIG_IEEE80211R
 696         if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
 697                 union wpa_event_data ev;
 698                 os_memset(&ev, 0, sizeof(ev));
 699                 ev.ft_rrb_rx.src = eth->h_source;
 700                 ev.ft_rrb_rx.data = data + sizeof(*eth);
 701                 ev.ft_rrb_rx.data_len = datalen - sizeof(*eth);
 702         }
 703 #endif /* CONFIG_IEEE80211R */
 704 }
 705
 706
 707 static void test_driver_mlme(struct wpa_driver_test_data *drv,
 708                              struct sockaddr_un *from, socklen_t fromlen,
 709                              u8 *data, size_t datalen)
 710 {
 711         struct ieee80211_hdr *hdr;
 712         u16 fc;
 713         union wpa_event_data event;
 714         int freq = 0, own_freq;
 715         struct test_driver_bss *bss;
 716
 717         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
 718
 719         if (datalen > 6 && os_memcmp(data, "freq=", 5) == 0) {
 720                 size_t pos;
 721                 for (pos = 5; pos < datalen; pos++) {
 722                         if (data[pos] == ' ')
 723                                 break;
 724                 }
 725                 if (pos < datalen) {
 726                         freq = atoi((const char *) &data[5]);
 727                         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
 728                                    "freq %d MHz", bss->ifname, freq);
 729                         pos++;
 730                         data += pos;
 731                         datalen -= pos;
 732                 }
 733         }
 734
 735         if (drv->remain_on_channel_freq)
 736                 own_freq = drv->remain_on_channel_freq;
 737         else
 738                 own_freq = drv->current_freq;
 739
 740         if (freq && own_freq && freq != own_freq) {
 741                 wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
 742                            "another frequency %d MHz (own %d MHz)",
 743                            bss->ifname, freq, own_freq);
 744                 return;
 745         }
 746
 747         hdr = (struct ieee80211_hdr *) data;
 748
 749         if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
 750                 struct test_client_socket *cli;
 751                 cli = os_zalloc(sizeof(*cli));
 752                 if (cli == NULL)
 753                         return;
 754                 wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
 755                            MAC2STR(hdr->addr2));
 756                 memcpy(cli->addr, hdr->addr2, ETH_ALEN);
 757                 memcpy(&cli->un, from, sizeof(cli->un));
 758                 cli->unlen = fromlen;
 759                 cli->next = drv->cli;
 760                 drv->cli = cli;
 761         }
 762
 763         wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
 764                     data, datalen);
 765         fc = le_to_host16(hdr->frame_control);
 766         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
 767                 wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
 768                            __func__);
 769                 return;
 770         }
 771
 772         os_memset(&event, 0, sizeof(event));
 773         event.rx_mgmt.frame = data;
 774         event.rx_mgmt.frame_len = datalen;
 775         wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 776 }
 777
 778
 779 static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
 780 {
 781         struct wpa_driver_test_data *drv = eloop_ctx;
 782         char buf[2000];
 783         int res;
 784         struct sockaddr_un from;
 785         socklen_t fromlen = sizeof(from);
 786
 787         res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 788                        (struct sockaddr *) &from, &fromlen);
 789         if (res < 0) {
 790                 perror("recvfrom(test_socket)");
 791                 return;
 792         }
 793         buf[res] = '\0';
 794
 795         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
 796
 797         if (strncmp(buf, "SCAN", 4) == 0) {
 798                 test_driver_scan(drv, &from, fromlen, buf + 4);
 799         } else if (strncmp(buf, "ASSOC ", 6) == 0) {
 800                 test_driver_assoc(drv, &from, fromlen, buf + 6);
 801         } else if (strcmp(buf, "DISASSOC") == 0) {
 802                 test_driver_disassoc(drv, &from, fromlen);
 803         } else if (strncmp(buf, "EAPOL ", 6) == 0) {
 804                 test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
 805                                   res - 6);
 806         } else if (strncmp(buf, "ETHER ", 6) == 0) {
 807                 test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
 808                                   res - 6);
 809         } else if (strncmp(buf, "MLME ", 5) == 0) {
 810                 test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
 811         } else {
 812                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
 813                                   (u8 *) buf, res);
 814         }
 815 }
 816
 817
 818 static int test_driver_set_generic_elem(void *priv,
 819                                         const u8 *elem, size_t elem_len)
 820 {
 821         struct test_driver_bss *bss = priv;
 822
 823         os_free(bss->ie);
 824
 825         if (elem == NULL) {
 826                 bss->ie = NULL;
 827                 bss->ielen = 0;
 828                 return 0;
 829         }
 830
 831         bss->ie = os_malloc(elem_len);
 832         if (bss->ie == NULL) {
 833                 bss->ielen = 0;
 834                 return -1;
 835         }
 836
 837         memcpy(bss->ie, elem, elem_len);
 838         bss->ielen = elem_len;
 839         return 0;
 840 }
 841
 842
 843 static int test_driver_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
 844                                      const struct wpabuf *proberesp)
 845 {
 846         struct test_driver_bss *bss = priv;
 847
 848         if (beacon == NULL)
 849                 wpa_printf(MSG_DEBUG, "test_driver: Clear Beacon WPS IE");
 850         else
 851                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Beacon WPS IE",
 852                                 beacon);
 853
 854         os_free(bss->wps_beacon_ie);
 855
 856         if (beacon == NULL) {
 857                 bss->wps_beacon_ie = NULL;
 858                 bss->wps_beacon_ie_len = 0;
 859         } else {
 860                 bss->wps_beacon_ie = os_malloc(wpabuf_len(beacon));
 861                 if (bss->wps_beacon_ie == NULL) {
 862                         bss->wps_beacon_ie_len = 0;
 863                         return -1;
 864                 }
 865
 866                 os_memcpy(bss->wps_beacon_ie, wpabuf_head(beacon),
 867                           wpabuf_len(beacon));
 868                 bss->wps_beacon_ie_len = wpabuf_len(beacon);
 869         }
 870
 871         if (proberesp == NULL)
 872                 wpa_printf(MSG_DEBUG, "test_driver: Clear Probe Response WPS "
 873                            "IE");
 874         else
 875                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Probe Response WPS "
 876                                 "IE", proberesp);
 877
 878         os_free(bss->wps_probe_resp_ie);
 879
 880         if (proberesp == NULL) {
 881                 bss->wps_probe_resp_ie = NULL;
 882                 bss->wps_probe_resp_ie_len = 0;
 883         } else {
 884                 bss->wps_probe_resp_ie = os_malloc(wpabuf_len(proberesp));
 885                 if (bss->wps_probe_resp_ie == NULL) {
 886                         bss->wps_probe_resp_ie_len = 0;
 887                         return -1;
 888                 }
 889
 890                 os_memcpy(bss->wps_probe_resp_ie, wpabuf_head(proberesp),
 891                           wpabuf_len(proberesp));
 892                 bss->wps_probe_resp_ie_len = wpabuf_len(proberesp);
 893         }
 894
 895         return 0;
 896 }
 897
 898
 899 static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
 900                                   const u8 *addr, int reason)
 901 {
 902         struct test_driver_bss *dbss = priv;
 903         struct wpa_driver_test_data *drv = dbss->drv;
 904         struct test_client_socket *cli;
 905
 906         if (drv->test_socket < 0)
 907                 return -1;
 908
 909         cli = drv->cli;
 910         while (cli) {
 911                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 912                         break;
 913                 cli = cli->next;
 914         }
 915
 916         if (!cli)
 917                 return -1;
 918
 919         return sendto(drv->test_socket, "DEAUTH", 6, 0,
 920                       (struct sockaddr *) &cli->un, cli->unlen);
 921 }
 922
 923
 924 static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
 925                                     const u8 *addr, int reason)
 926 {
 927         struct test_driver_bss *dbss = priv;
 928         struct wpa_driver_test_data *drv = dbss->drv;
 929         struct test_client_socket *cli;
 930
 931         if (drv->test_socket < 0)
 932                 return -1;
 933
 934         cli = drv->cli;
 935         while (cli) {
 936                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 937                         break;
 938                 cli = cli->next;
 939         }
 940
 941         if (!cli)
 942                 return -1;
 943
 944         return sendto(drv->test_socket, "DISASSOC", 8, 0,
 945                       (struct sockaddr *) &cli->un, cli->unlen);
 946 }
 947
 948
 949 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid,
 950                                void *bss_ctx, void **drv_priv)
 951 {
 952         struct test_driver_bss *dbss = priv;
 953         struct wpa_driver_test_data *drv = dbss->drv;
 954         struct test_driver_bss *bss;
 955
 956         wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
 957                    __func__, ifname, MAC2STR(bssid));
 958
 959         bss = os_zalloc(sizeof(*bss));
 960         if (bss == NULL)
 961                 return -1;
 962
 963         bss->bss_ctx = bss_ctx;
 964         bss->drv = drv;
 965         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
 966         os_memcpy(bss->bssid, bssid, ETH_ALEN);
 967
 968         dl_list_add(&drv->bss, &bss->list);
 969         if (drv->global) {
 970                 drv->global->bss_add_used = 1;
 971                 os_memcpy(drv->global->req_addr, bssid, ETH_ALEN);
 972         }
 973
 974         if (drv_priv)
 975                 *drv_priv = bss;
 976
 977         return 0;
 978 }
 979
 980
 981 static int test_driver_bss_remove(void *priv, const char *ifname)
 982 {
 983         struct test_driver_bss *dbss = priv;
 984         struct wpa_driver_test_data *drv = dbss->drv;
 985         struct test_driver_bss *bss;
 986         struct test_client_socket *cli, *prev_c;
 987
 988         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
 989
 990         dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
 991                 if (strcmp(bss->ifname, ifname) != 0)
 992                         continue;
 993
 994                 for (prev_c = NULL, cli = drv->cli; cli;
 995                      prev_c = cli, cli = cli->next) {
 996                         if (cli->bss != bss)
 997                                 continue;
 998                         if (prev_c)
 999                                 prev_c->next = cli->next;
1000                         else
1001                                 drv->cli = cli->next;
1002                         os_free(cli);
1003                         break;
1004                 }
1005
1006                 dl_list_del(&bss->list);
1007                 test_driver_free_bss(bss);
1008                 return 0;
1009         }
1010
1011         return -1;
1012 }
1013
1014
1015 static int test_driver_if_add(void *priv, enum wpa_driver_if_type type,
1016                               const char *ifname, const u8 *addr,
1017                               void *bss_ctx, void **drv_priv,
1018                               char *force_ifname, u8 *if_addr)
1019 {
1020         struct test_driver_bss *dbss = priv;
1021         struct wpa_driver_test_data *drv = dbss->drv;
1022
1023         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s bss_ctx=%p)",
1024                    __func__, type, ifname, bss_ctx);
1025         if (addr)
1026                 os_memcpy(if_addr, addr, ETH_ALEN);
1027         else {
1028                 drv->alloc_iface_idx++;
1029                 if_addr[0] = 0x02; /* locally administered */
1030                 sha1_prf(drv->own_addr, ETH_ALEN,
1031                          "hostapd test addr generation",
1032                          (const u8 *) &drv->alloc_iface_idx,
1033                          sizeof(drv->alloc_iface_idx),
1034                          if_addr + 1, ETH_ALEN - 1);
1035         }
1036         if (type == WPA_IF_AP_BSS || type == WPA_IF_P2P_GO ||
1037             type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP)
1038                 return test_driver_bss_add(priv, ifname, if_addr, bss_ctx,
1039                                            drv_priv);
1040         return 0;
1041 }
1042
1043
1044 static int test_driver_if_remove(void *priv, enum wpa_driver_if_type type,
1045                                  const char *ifname)
1046 {
1047         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1048         if (type == WPA_IF_AP_BSS || type == WPA_IF_P2P_GO ||
1049             type == WPA_IF_P2P_CLIENT || type == WPA_IF_P2P_GROUP)
1050                 return test_driver_bss_remove(priv, ifname);
1051         return 0;
1052 }
1053
1054
1055 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1056                                       const u8 *mask)
1057 {
1058         return 0;
1059 }
1060
1061
1062 static int test_driver_set_ssid(void *priv, const u8 *buf, int len)
1063 {
1064         struct test_driver_bss *bss = priv;
1065
1066         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, bss->ifname);
1067         wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1068
1069         if (len < 0 || (size_t) len > sizeof(bss->ssid))
1070                 return -1;
1071
1072         os_memcpy(bss->ssid, buf, len);
1073         bss->ssid_len = len;
1074
1075         return 0;
1076 }
1077
1078
1079 static int test_driver_set_privacy(void *priv, int enabled)
1080 {
1081         struct test_driver_bss *dbss = priv;
1082
1083         wpa_printf(MSG_DEBUG, "%s(enabled=%d)",  __func__, enabled);
1084         dbss->privacy = enabled;
1085
1086         return 0;
1087 }
1088
1089
1090 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1091                                     const char *ifname, int vlan_id)
1092 {
1093         wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1094                    __func__, MAC2STR(addr), ifname, vlan_id);
1095         return 0;
1096 }
1097
1098
1099 static int test_driver_sta_add(void *priv,
1100                                struct hostapd_sta_add_params *params)
1101 {
1102         struct test_driver_bss *bss = priv;
1103         struct wpa_driver_test_data *drv = bss->drv;
1104         struct test_client_socket *cli;
1105
1106         wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1107                    "capability=0x%x listen_interval=%d)",
1108                    __func__, bss->ifname, MAC2STR(params->addr), params->aid,
1109                    params->capability, params->listen_interval);
1110         wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1111                     params->supp_rates, params->supp_rates_len);
1112
1113         cli = drv->cli;
1114         while (cli) {
1115                 if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
1116                         break;
1117                 cli = cli->next;
1118         }
1119         if (!cli) {
1120                 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1121                            __func__);
1122                 return -1;
1123         }
1124
1125         cli->bss = bss;
1126
1127         return 0;
1128 }
1129
1130
1131 static struct wpa_driver_test_data * test_alloc_data(void *ctx,
1132                                                      const char *ifname)
1133 {
1134         struct wpa_driver_test_data *drv;
1135         struct test_driver_bss *bss;
1136
1137         drv = os_zalloc(sizeof(struct wpa_driver_test_data));
1138         if (drv == NULL) {
1139                 wpa_printf(MSG_ERROR, "Could not allocate memory for test "
1140                            "driver data");
1141                 return NULL;
1142         }
1143
1144         bss = os_zalloc(sizeof(struct test_driver_bss));
1145         if (bss == NULL) {
1146                 os_free(drv);
1147                 return NULL;
1148         }
1149
1150         drv->ctx = ctx;
1151         wpa_trace_add_ref(drv, ctx, ctx);
1152         dl_list_init(&drv->bss);
1153         dl_list_add(&drv->bss, &bss->list);
1154         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
1155         bss->bss_ctx = ctx;
1156         bss->drv = drv;
1157
1158         /* Generate a MAC address to help testing with multiple STAs */
1159         drv->own_addr[0] = 0x02; /* locally administered */
1160         sha1_prf((const u8 *) ifname, os_strlen(ifname),
1161                  "test mac addr generation",
1162                  NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
1163
1164         return drv;
1165 }
1166
1167
1168 static void * test_driver_init(struct hostapd_data *hapd,
1169                                struct wpa_init_params *params)
1170 {
1171         struct wpa_driver_test_data *drv;
1172         struct sockaddr_un addr_un;
1173         struct sockaddr_in addr_in;
1174         struct sockaddr *addr;
1175         socklen_t alen;
1176         struct test_driver_bss *bss;
1177
1178         drv = test_alloc_data(hapd, params->ifname);
1179         if (drv == NULL)
1180                 return NULL;
1181         drv->ap = 1;
1182         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1183
1184         bss->bss_ctx = hapd;
1185         os_memcpy(bss->bssid, drv->own_addr, ETH_ALEN);
1186         os_memcpy(params->own_addr, drv->own_addr, ETH_ALEN);
1187
1188         if (params->test_socket) {
1189                 if (os_strlen(params->test_socket) >=
1190                     sizeof(addr_un.sun_path)) {
1191                         printf("Too long test_socket path\n");
1192                         wpa_driver_test_deinit(bss);
1193                         return NULL;
1194                 }
1195                 if (strncmp(params->test_socket, "DIR:", 4) == 0) {
1196                         size_t len = strlen(params->test_socket) + 30;
1197                         drv->test_dir = os_strdup(params->test_socket + 4);
1198                         drv->own_socket_path = os_malloc(len);
1199                         if (drv->own_socket_path) {
1200                                 snprintf(drv->own_socket_path, len,
1201                                          "%s/AP-" MACSTR,
1202                                          params->test_socket + 4,
1203                                          MAC2STR(params->own_addr));
1204                         }
1205                 } else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
1206                         drv->udp_port = atoi(params->test_socket + 4);
1207                 } else {
1208                         drv->own_socket_path = os_strdup(params->test_socket);
1209                 }
1210                 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1211                         wpa_driver_test_deinit(bss);
1212                         return NULL;
1213                 }
1214
1215                 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1216                                           SOCK_DGRAM, 0);
1217                 if (drv->test_socket < 0) {
1218                         perror("socket");
1219                         wpa_driver_test_deinit(bss);
1220                         return NULL;
1221                 }
1222
1223                 if (drv->udp_port) {
1224                         os_memset(&addr_in, 0, sizeof(addr_in));
1225                         addr_in.sin_family = AF_INET;
1226                         addr_in.sin_port = htons(drv->udp_port);
1227                         addr = (struct sockaddr *) &addr_in;
1228                         alen = sizeof(addr_in);
1229                 } else {
1230                         os_memset(&addr_un, 0, sizeof(addr_un));
1231                         addr_un.sun_family = AF_UNIX;
1232                         os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1233                                    sizeof(addr_un.sun_path));
1234                         addr = (struct sockaddr *) &addr_un;
1235                         alen = sizeof(addr_un);
1236                 }
1237                 if (bind(drv->test_socket, addr, alen) < 0) {
1238                         perror("bind(PF_UNIX)");
1239                         close(drv->test_socket);
1240                         if (drv->own_socket_path)
1241                                 unlink(drv->own_socket_path);
1242                         wpa_driver_test_deinit(bss);
1243                         return NULL;
1244                 }
1245                 eloop_register_read_sock(drv->test_socket,
1246                                          test_driver_receive_unix, drv, NULL);
1247         } else
1248                 drv->test_socket = -1;
1249
1250         return bss;
1251 }
1252
1253
1254 static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
1255 {
1256         struct wpa_driver_test_data *drv = eloop_ctx;
1257
1258 #ifdef DRIVER_TEST_UNIX
1259         if (drv->associated && drv->hostapd_addr_set) {
1260                 struct stat st;
1261                 if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
1262                         wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
1263                                    __func__, strerror(errno));
1264                         drv->associated = 0;
1265                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1266                 }
1267         }
1268 #endif /* DRIVER_TEST_UNIX */
1269
1270         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1271 }
1272
1273
1274 static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1275 {
1276         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1277         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1278 }
1279
1280
1281 #ifdef DRIVER_TEST_UNIX
1282 static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
1283                                 const char *path)
1284 {
1285         struct dirent *dent;
1286         DIR *dir;
1287         struct sockaddr_un addr;
1288         char cmd[512], *pos, *end;
1289         int ret;
1290
1291         dir = opendir(path);
1292         if (dir == NULL)
1293                 return;
1294
1295         end = cmd + sizeof(cmd);
1296         pos = cmd;
1297         ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
1298                           MAC2STR(drv->own_addr));
1299         if (ret >= 0 && ret < end - pos)
1300                 pos += ret;
1301         if (drv->probe_req_ie) {
1302                 ret = os_snprintf(pos, end - pos, " ");
1303                 if (ret >= 0 && ret < end - pos)
1304                         pos += ret;
1305                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
1306                                         drv->probe_req_ie_len);
1307         }
1308         if (drv->probe_req_ssid_len) {
1309                 /* Add SSID IE */
1310                 ret = os_snprintf(pos, end - pos, "%02x%02x",
1311                                   WLAN_EID_SSID,
1312                                   (unsigned int) drv->probe_req_ssid_len);
1313                 if (ret >= 0 && ret < end - pos)
1314                         pos += ret;
1315                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ssid,
1316                                         drv->probe_req_ssid_len);
1317         }
1318         end[-1] = '\0';
1319
1320         while ((dent = readdir(dir))) {
1321                 if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
1322                     os_strncmp(dent->d_name, "STA-", 4) != 0)
1323                         continue;
1324                 if (drv->own_socket_path) {
1325                         size_t olen, dlen;
1326                         olen = os_strlen(drv->own_socket_path);
1327                         dlen = os_strlen(dent->d_name);
1328                         if (olen >= dlen &&
1329                             os_strcmp(dent->d_name,
1330                                       drv->own_socket_path + olen - dlen) == 0)
1331                                 continue;
1332                 }
1333                 wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
1334
1335                 os_memset(&addr, 0, sizeof(addr));
1336                 addr.sun_family = AF_UNIX;
1337                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
1338                             path, dent->d_name);
1339
1340                 if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1341                            (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1342                         perror("sendto(test_socket)");
1343                 }
1344         }
1345         closedir(dir);
1346 }
1347 #endif /* DRIVER_TEST_UNIX */
1348
1349
1350 static int wpa_driver_test_scan(void *priv,
1351                                 struct wpa_driver_scan_params *params)
1352 {
1353         struct test_driver_bss *dbss = priv;
1354         struct wpa_driver_test_data *drv = dbss->drv;
1355         size_t i;
1356
1357         wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
1358
1359         os_free(drv->probe_req_ie);
1360         if (params->extra_ies) {
1361                 drv->probe_req_ie = os_malloc(params->extra_ies_len);
1362                 if (drv->probe_req_ie == NULL) {
1363                         drv->probe_req_ie_len = 0;
1364                         return -1;
1365                 }
1366                 os_memcpy(drv->probe_req_ie, params->extra_ies,
1367                           params->extra_ies_len);
1368                 drv->probe_req_ie_len = params->extra_ies_len;
1369         } else {
1370                 drv->probe_req_ie = NULL;
1371                 drv->probe_req_ie_len = 0;
1372         }
1373
1374         for (i = 0; i < params->num_ssids; i++)
1375                 wpa_hexdump(MSG_DEBUG, "Scan SSID",
1376                             params->ssids[i].ssid, params->ssids[i].ssid_len);
1377         drv->probe_req_ssid_len = 0;
1378         if (params->num_ssids) {
1379                 os_memcpy(drv->probe_req_ssid, params->ssids[0].ssid,
1380                           params->ssids[0].ssid_len);
1381                 drv->probe_req_ssid_len = params->ssids[0].ssid_len;
1382         }
1383         wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
1384                     params->extra_ies, params->extra_ies_len);
1385
1386         drv->num_scanres = 0;
1387
1388 #ifdef DRIVER_TEST_UNIX
1389         if (drv->test_socket >= 0 && drv->test_dir)
1390                 wpa_driver_scan_dir(drv, drv->test_dir);
1391
1392         if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
1393             sendto(drv->test_socket, "SCAN", 4, 0,
1394                    (struct sockaddr *) &drv->hostapd_addr,
1395                    sizeof(drv->hostapd_addr)) < 0) {
1396                 perror("sendto(test_socket)");
1397         }
1398 #endif /* DRIVER_TEST_UNIX */
1399
1400         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1401             sendto(drv->test_socket, "SCAN", 4, 0,
1402                    (struct sockaddr *) &drv->hostapd_addr_udp,
1403                    sizeof(drv->hostapd_addr_udp)) < 0) {
1404                 perror("sendto(test_socket)");
1405         }
1406
1407         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1408         eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
1409                                drv->ctx);
1410         return 0;
1411 }
1412
1413
1414 static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
1415 {
1416         struct test_driver_bss *dbss = priv;
1417         struct wpa_driver_test_data *drv = dbss->drv;
1418         struct wpa_scan_results *res;
1419         size_t i;
1420
1421         res = os_zalloc(sizeof(*res));
1422         if (res == NULL)
1423                 return NULL;
1424
1425         res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
1426         if (res->res == NULL) {
1427                 os_free(res);
1428                 return NULL;
1429         }
1430
1431         for (i = 0; i < drv->num_scanres; i++) {
1432                 struct wpa_scan_res *r;
1433                 if (drv->scanres[i] == NULL)
1434                         continue;
1435                 r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
1436                 if (r == NULL)
1437                         break;
1438                 os_memcpy(r, drv->scanres[i],
1439                           sizeof(*r) + drv->scanres[i]->ie_len);
1440                 res->res[res->num++] = r;
1441         }
1442
1443         return res;
1444 }
1445
1446
1447 static int wpa_driver_test_set_key(const char *ifname, void *priv,
1448                                    enum wpa_alg alg, const u8 *addr,
1449                                    int key_idx, int set_tx,
1450                                    const u8 *seq, size_t seq_len,
1451                                    const u8 *key, size_t key_len)
1452 {
1453         wpa_printf(MSG_DEBUG, "%s: ifname=%s priv=%p alg=%d key_idx=%d "
1454                    "set_tx=%d",
1455                    __func__, ifname, priv, alg, key_idx, set_tx);
1456         if (addr)
1457                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
1458         if (seq)
1459                 wpa_hexdump(MSG_DEBUG, "   seq", seq, seq_len);
1460         if (key)
1461                 wpa_hexdump_key(MSG_DEBUG, "   key", key, key_len);
1462         return 0;
1463 }
1464
1465
1466 static int wpa_driver_update_mode(struct wpa_driver_test_data *drv, int ap)
1467 {
1468         if (ap && !drv->ap) {
1469                 wpa_driver_test_close_test_socket(drv);
1470                 wpa_driver_test_attach(drv, drv->test_dir, 1);
1471                 drv->ap = 1;
1472         } else if (!ap && drv->ap) {
1473                 wpa_driver_test_close_test_socket(drv);
1474                 wpa_driver_test_attach(drv, drv->test_dir, 0);
1475                 drv->ap = 0;
1476         }
1477
1478         return 0;
1479 }
1480
1481
1482 static int wpa_driver_test_associate(
1483         void *priv, struct wpa_driver_associate_params *params)
1484 {
1485         struct test_driver_bss *dbss = priv;
1486         struct wpa_driver_test_data *drv = dbss->drv;
1487         wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
1488                    "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
1489                    __func__, priv, params->freq, params->pairwise_suite,
1490                    params->group_suite, params->key_mgmt_suite,
1491                    params->auth_alg, params->mode);
1492         wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
1493         if (params->bssid) {
1494                 wpa_printf(MSG_DEBUG, "   bssid=" MACSTR,
1495                            MAC2STR(params->bssid));
1496         }
1497         if (params->ssid) {
1498                 wpa_hexdump_ascii(MSG_DEBUG, "   ssid",
1499                                   params->ssid, params->ssid_len);
1500         }
1501         if (params->wpa_ie) {
1502                 wpa_hexdump(MSG_DEBUG, "   wpa_ie",
1503                             params->wpa_ie, params->wpa_ie_len);
1504                 drv->assoc_wpa_ie_len = params->wpa_ie_len;
1505                 if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
1506                         drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
1507                 os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
1508                           drv->assoc_wpa_ie_len);
1509         } else
1510                 drv->assoc_wpa_ie_len = 0;
1511
1512         wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
1513
1514         drv->ibss = params->mode == IEEE80211_MODE_IBSS;
1515         dbss->privacy = params->key_mgmt_suite &
1516                 (WPA_KEY_MGMT_IEEE8021X |
1517                  WPA_KEY_MGMT_PSK |
1518                  WPA_KEY_MGMT_WPA_NONE |
1519                  WPA_KEY_MGMT_FT_IEEE8021X |
1520                  WPA_KEY_MGMT_FT_PSK |
1521                  WPA_KEY_MGMT_IEEE8021X_SHA256 |
1522                  WPA_KEY_MGMT_PSK_SHA256);
1523         if (params->wep_key_len[params->wep_tx_keyidx])
1524                 dbss->privacy = 1;
1525
1526 #ifdef DRIVER_TEST_UNIX
1527         if (drv->test_dir && params->bssid &&
1528             params->mode != IEEE80211_MODE_IBSS) {
1529                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
1530                 drv->hostapd_addr.sun_family = AF_UNIX;
1531                 os_snprintf(drv->hostapd_addr.sun_path,
1532                             sizeof(drv->hostapd_addr.sun_path),
1533                             "%s/AP-" MACSTR,
1534                             drv->test_dir, MAC2STR(params->bssid));
1535                 drv->hostapd_addr_set = 1;
1536         }
1537 #endif /* DRIVER_TEST_UNIX */
1538
1539         if (params->mode == IEEE80211_MODE_AP) {
1540                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1541                 dbss->ssid_len = params->ssid_len;
1542                 os_memcpy(dbss->bssid, drv->own_addr, ETH_ALEN);
1543                 if (params->wpa_ie && params->wpa_ie_len) {
1544                         dbss->ie = os_malloc(params->wpa_ie_len);
1545                         if (dbss->ie) {
1546                                 os_memcpy(dbss->ie, params->wpa_ie,
1547                                           params->wpa_ie_len);
1548                                 dbss->ielen = params->wpa_ie_len;
1549                         }
1550                 }
1551         } else if (drv->test_socket >= 0 &&
1552                    (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
1553                 char cmd[200], *pos, *end;
1554                 int ret;
1555                 end = cmd + sizeof(cmd);
1556                 pos = cmd;
1557                 ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
1558                                   MAC2STR(drv->own_addr));
1559                 if (ret >= 0 && ret < end - pos)
1560                         pos += ret;
1561                 pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
1562                                         params->ssid_len);
1563                 ret = os_snprintf(pos, end - pos, " ");
1564                 if (ret >= 0 && ret < end - pos)
1565                         pos += ret;
1566                 pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
1567                                         params->wpa_ie_len);
1568                 end[-1] = '\0';
1569 #ifdef DRIVER_TEST_UNIX
1570                 if (drv->hostapd_addr_set &&
1571                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1572                            (struct sockaddr *) &drv->hostapd_addr,
1573                            sizeof(drv->hostapd_addr)) < 0) {
1574                         perror("sendto(test_socket)");
1575                         return -1;
1576                 }
1577 #endif /* DRIVER_TEST_UNIX */
1578                 if (drv->hostapd_addr_udp_set &&
1579                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1580                            (struct sockaddr *) &drv->hostapd_addr_udp,
1581                            sizeof(drv->hostapd_addr_udp)) < 0) {
1582                         perror("sendto(test_socket)");
1583                         return -1;
1584                 }
1585
1586                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1587                 dbss->ssid_len = params->ssid_len;
1588         } else {
1589                 drv->associated = 1;
1590                 if (params->mode == IEEE80211_MODE_IBSS) {
1591                         os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1592                         dbss->ssid_len = params->ssid_len;
1593                         if (params->bssid)
1594                                 os_memcpy(dbss->bssid, params->bssid,
1595                                           ETH_ALEN);
1596                         else {
1597                                 os_get_random(dbss->bssid, ETH_ALEN);
1598                                 dbss->bssid[0] &= ~0x01;
1599                                 dbss->bssid[0] |= 0x02;
1600                         }
1601                 }
1602                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1603         }
1604
1605         return 0;
1606 }
1607
1608
1609 static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
1610 {
1611         struct test_driver_bss *dbss = priv;
1612         os_memcpy(bssid, dbss->bssid, ETH_ALEN);
1613         return 0;
1614 }
1615
1616
1617 static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
1618 {
1619         struct test_driver_bss *dbss = priv;
1620         os_memcpy(ssid, dbss->ssid, 32);
1621         return dbss->ssid_len;
1622 }
1623
1624
1625 static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
1626 {
1627 #ifdef DRIVER_TEST_UNIX
1628         if (drv->test_socket >= 0 &&
1629             sendto(drv->test_socket, "DISASSOC", 8, 0,
1630                    (struct sockaddr *) &drv->hostapd_addr,
1631                    sizeof(drv->hostapd_addr)) < 0) {
1632                 perror("sendto(test_socket)");
1633                 return -1;
1634         }
1635 #endif /* DRIVER_TEST_UNIX */
1636         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1637             sendto(drv->test_socket, "DISASSOC", 8, 0,
1638                    (struct sockaddr *) &drv->hostapd_addr_udp,
1639                    sizeof(drv->hostapd_addr_udp)) < 0) {
1640                 perror("sendto(test_socket)");
1641                 return -1;
1642         }
1643         return 0;
1644 }
1645
1646
1647 static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
1648                                           int reason_code)
1649 {
1650         struct test_driver_bss *dbss = priv;
1651         struct wpa_driver_test_data *drv = dbss->drv;
1652         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1653                    __func__, MAC2STR(addr), reason_code);
1654         os_memset(dbss->bssid, 0, ETH_ALEN);
1655         drv->associated = 0;
1656         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1657         return wpa_driver_test_send_disassoc(drv);
1658 }
1659
1660
1661 static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
1662                                         int reason_code)
1663 {
1664         struct test_driver_bss *dbss = priv;
1665         struct wpa_driver_test_data *drv = dbss->drv;
1666         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1667                    __func__, MAC2STR(addr), reason_code);
1668         os_memset(dbss->bssid, 0, ETH_ALEN);
1669         drv->associated = 0;
1670         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1671         return wpa_driver_test_send_disassoc(drv);
1672 }
1673
1674
1675 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
1676 {
1677         const u8 *end, *pos;
1678
1679         pos = (const u8 *) (res + 1);
1680         end = pos + res->ie_len;
1681
1682         while (pos + 1 < end) {
1683                 if (pos + 2 + pos[1] > end)
1684                         break;
1685                 if (pos[0] == ie)
1686                         return pos;
1687                 pos += 2 + pos[1];
1688         }
1689
1690         return NULL;
1691 }
1692
1693
1694 static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
1695                                      struct sockaddr *from,
1696                                      socklen_t fromlen,
1697                                      const char *data)
1698 {
1699         struct wpa_scan_res *res;
1700         const char *pos, *pos2;
1701         size_t len;
1702         u8 *ie_pos, *ie_start, *ie_end;
1703 #define MAX_IE_LEN 1000
1704         const u8 *ds_params;
1705
1706         wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
1707         if (drv->num_scanres >= MAX_SCAN_RESULTS) {
1708                 wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
1709                            "result");
1710                 return;
1711         }
1712
1713         /* SCANRESP BSSID SSID IEs */
1714
1715         res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
1716         if (res == NULL)
1717                 return;
1718         ie_start = ie_pos = (u8 *) (res + 1);
1719         ie_end = ie_pos + MAX_IE_LEN;
1720
1721         if (hwaddr_aton(data, res->bssid)) {
1722                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
1723                 os_free(res);
1724                 return;
1725         }
1726
1727         pos = data + 17;
1728         while (*pos == ' ')
1729                 pos++;
1730         pos2 = os_strchr(pos, ' ');
1731         if (pos2 == NULL) {
1732                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
1733                            "in scanres");
1734                 os_free(res);
1735                 return;
1736         }
1737         len = (pos2 - pos) / 2;
1738         if (len > 32)
1739                 len = 32;
1740         /*
1741          * Generate SSID IE from the SSID field since this IE is not included
1742          * in the main IE field.
1743          */
1744         *ie_pos++ = WLAN_EID_SSID;
1745         *ie_pos++ = len;
1746         if (hexstr2bin(pos, ie_pos, len) < 0) {
1747                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
1748                 os_free(res);
1749                 return;
1750         }
1751         ie_pos += len;
1752
1753         pos = pos2 + 1;
1754         pos2 = os_strchr(pos, ' ');
1755         if (pos2 == NULL)
1756                 len = os_strlen(pos) / 2;
1757         else
1758                 len = (pos2 - pos) / 2;
1759         if ((int) len > ie_end - ie_pos)
1760                 len = ie_end - ie_pos;
1761         if (hexstr2bin(pos, ie_pos, len) < 0) {
1762                 wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
1763                 os_free(res);
1764                 return;
1765         }
1766         ie_pos += len;
1767         res->ie_len = ie_pos - ie_start;
1768
1769         if (pos2) {
1770                 pos = pos2 + 1;
1771                 while (*pos == ' ')
1772                         pos++;
1773                 if (os_strstr(pos, "PRIVACY"))
1774                         res->caps |= IEEE80211_CAP_PRIVACY;
1775                 if (os_strstr(pos, "IBSS"))
1776                         res->caps |= IEEE80211_CAP_IBSS;
1777         }
1778
1779         ds_params = wpa_scan_get_ie(res, WLAN_EID_DS_PARAMS);
1780         if (ds_params && ds_params[1] > 0) {
1781                 if (ds_params[2] >= 1 && ds_params[2] <= 13)
1782                         res->freq = 2407 + ds_params[2] * 5;
1783         }
1784
1785         os_free(drv->scanres[drv->num_scanres]);
1786         drv->scanres[drv->num_scanres++] = res;
1787 }
1788
1789
1790 static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
1791                                       struct sockaddr *from,
1792                                       socklen_t fromlen,
1793                                       const char *data)
1794 {
1795         struct test_driver_bss *bss;
1796
1797         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1798
1799         /* ASSOCRESP BSSID <res> */
1800         if (hwaddr_aton(data, bss->bssid)) {
1801                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
1802                            "assocresp");
1803         }
1804         if (drv->use_associnfo) {
1805                 union wpa_event_data event;
1806                 os_memset(&event, 0, sizeof(event));
1807                 event.assoc_info.req_ies = drv->assoc_wpa_ie;
1808                 event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
1809                 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
1810         }
1811         drv->associated = 1;
1812         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1813 }
1814
1815
1816 static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
1817                                      struct sockaddr *from,
1818                                      socklen_t fromlen)
1819 {
1820         drv->associated = 0;
1821         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1822 }
1823
1824
1825 static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
1826                                   struct sockaddr *from,
1827                                   socklen_t fromlen,
1828                                   const u8 *data, size_t data_len)
1829 {
1830         const u8 *src;
1831         struct test_driver_bss *bss;
1832
1833         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1834
1835         if (data_len > 14) {
1836                 /* Skip Ethernet header */
1837                 src = data + ETH_ALEN;
1838                 data += 14;
1839                 data_len -= 14;
1840         } else
1841                 src = bss->bssid;
1842
1843         drv_event_eapol_rx(drv->ctx, src, data, data_len);
1844 }
1845
1846
1847 static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
1848                                  struct sockaddr *from,
1849                                  socklen_t fromlen,
1850                                  const u8 *data, size_t data_len)
1851 {
1852         int freq = 0, own_freq;
1853         union wpa_event_data event;
1854         struct test_driver_bss *bss;
1855
1856         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1857         if (data_len > 6 && os_memcmp(data, "freq=", 5) == 0) {
1858                 size_t pos;
1859                 for (pos = 5; pos < data_len; pos++) {
1860                         if (data[pos] == ' ')
1861                                 break;
1862                 }
1863                 if (pos < data_len) {
1864                         freq = atoi((const char *) &data[5]);
1865                         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
1866                                    "freq %d MHz", bss->ifname, freq);
1867                         pos++;
1868                         data += pos;
1869                         data_len -= pos;
1870                 }
1871         }
1872
1873         if (drv->remain_on_channel_freq)
1874                 own_freq = drv->remain_on_channel_freq;
1875         else
1876                 own_freq = drv->current_freq;
1877
1878         if (freq && own_freq && freq != own_freq) {
1879                 wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
1880                            "another frequency %d MHz (own %d MHz)",
1881                            bss->ifname, freq, own_freq);
1882                 return;
1883         }
1884
1885         os_memset(&event, 0, sizeof(event));
1886         event.mlme_rx.buf = data;
1887         event.mlme_rx.len = data_len;
1888         event.mlme_rx.freq = freq;
1889         wpa_supplicant_event(drv->ctx, EVENT_MLME_RX, &event);
1890
1891         if (drv->probe_req_report && data_len >= 24) {
1892                 const struct ieee80211_mgmt *mgmt;
1893                 u16 fc;
1894
1895                 mgmt = (const struct ieee80211_mgmt *) data;
1896                 fc = le_to_host16(mgmt->frame_control);
1897                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1898                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) {
1899                         os_memset(&event, 0, sizeof(event));
1900                         event.rx_probe_req.sa = mgmt->sa;
1901                         event.rx_probe_req.ie = mgmt->u.probe_req.variable;
1902                         event.rx_probe_req.ie_len =
1903                                 data_len - (mgmt->u.probe_req.variable - data);
1904                         wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ,
1905                                              &event);
1906                 }
1907         }
1908 }
1909
1910
1911 static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
1912                                      struct sockaddr *from,
1913                                      socklen_t fromlen,
1914                                      const u8 *data, size_t data_len)
1915 {
1916         char buf[512], *pos, *end;
1917         int ret;
1918         struct test_driver_bss *bss;
1919
1920         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1921
1922         /* data: optional [ STA-addr | ' ' | IEs(hex) ] */
1923
1924         if (!drv->ibss)
1925                 return;
1926
1927         pos = buf;
1928         end = buf + sizeof(buf);
1929
1930         /* reply: SCANRESP BSSID SSID IEs */
1931         ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
1932                        MAC2STR(bss->bssid));
1933         if (ret < 0 || ret >= end - pos)
1934                 return;
1935         pos += ret;
1936         pos += wpa_snprintf_hex(pos, end - pos,
1937                                 bss->ssid, bss->ssid_len);
1938         ret = snprintf(pos, end - pos, " ");
1939         if (ret < 0 || ret >= end - pos)
1940                 return;
1941         pos += ret;
1942         pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
1943                                 drv->assoc_wpa_ie_len);
1944
1945         if (bss->privacy) {
1946                 ret = snprintf(pos, end - pos, " PRIVACY");
1947                 if (ret < 0 || ret >= end - pos)
1948                         return;
1949                 pos += ret;
1950         }
1951
1952         ret = snprintf(pos, end - pos, " IBSS");
1953         if (ret < 0 || ret >= end - pos)
1954                 return;
1955         pos += ret;
1956
1957         sendto(drv->test_socket, buf, pos - buf, 0,
1958                (struct sockaddr *) from, fromlen);
1959 }
1960
1961
1962 static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
1963                                          void *sock_ctx)
1964 {
1965         struct wpa_driver_test_data *drv = eloop_ctx;
1966         char *buf;
1967         int res;
1968         struct sockaddr_storage from;
1969         socklen_t fromlen = sizeof(from);
1970         const size_t buflen = 2000;
1971
1972         if (drv->ap) {
1973                 test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
1974                 return;
1975         }
1976
1977         buf = os_malloc(buflen);
1978         if (buf == NULL)
1979                 return;
1980         res = recvfrom(sock, buf, buflen - 1, 0,
1981                        (struct sockaddr *) &from, &fromlen);
1982         if (res < 0) {
1983                 perror("recvfrom(test_socket)");
1984                 os_free(buf);
1985                 return;
1986         }
1987         buf[res] = '\0';
1988
1989         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
1990
1991         if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
1992                 wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
1993                                          fromlen, buf + 9);
1994         } else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
1995                 wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
1996                                           fromlen, buf + 10);
1997         } else if (os_strcmp(buf, "DISASSOC") == 0) {
1998                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1999                                          fromlen);
2000         } else if (os_strcmp(buf, "DEAUTH") == 0) {
2001                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
2002                                          fromlen);
2003         } else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
2004                 wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
2005                                       (const u8 *) buf + 6, res - 6);
2006         } else if (os_strncmp(buf, "MLME ", 5) == 0) {
2007                 wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
2008                                      (const u8 *) buf + 5, res - 5);
2009         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
2010                 wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
2011                                          fromlen,
2012                                          (const u8 *) buf + 5, res - 5);
2013         } else {
2014                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
2015                                   (u8 *) buf, res);
2016         }
2017         os_free(buf);
2018 }
2019
2020
2021 static void * wpa_driver_test_init2(void *ctx, const char *ifname,
2022                                     void *global_priv)
2023 {
2024         struct wpa_driver_test_data *drv;
2025         struct wpa_driver_test_global *global = global_priv;
2026         struct test_driver_bss *bss;
2027
2028         drv = test_alloc_data(ctx, ifname);
2029         if (drv == NULL)
2030                 return NULL;
2031         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
2032         drv->global = global_priv;
2033         drv->test_socket = -1;
2034
2035         /* Set dummy BSSID and SSID for testing. */
2036         bss->bssid[0] = 0x02;
2037         bss->bssid[1] = 0x00;
2038         bss->bssid[2] = 0x00;
2039         bss->bssid[3] = 0x00;
2040         bss->bssid[4] = 0x00;
2041         bss->bssid[5] = 0x01;
2042         os_memcpy(bss->ssid, "test", 5);
2043         bss->ssid_len = 4;
2044
2045         if (global->bss_add_used) {
2046                 os_memcpy(drv->own_addr, global->req_addr, ETH_ALEN);
2047                 global->bss_add_used = 0;
2048         }
2049
2050         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
2051
2052         return bss;
2053 }
2054
2055
2056 static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
2057 {
2058         if (drv->test_socket >= 0) {
2059                 eloop_unregister_read_sock(drv->test_socket);
2060                 close(drv->test_socket);
2061                 drv->test_socket = -1;
2062         }
2063
2064         if (drv->own_socket_path) {
2065                 unlink(drv->own_socket_path);
2066                 os_free(drv->own_socket_path);
2067                 drv->own_socket_path = NULL;
2068         }
2069 }
2070
2071
2072 static void wpa_driver_test_deinit(void *priv)
2073 {
2074         struct test_driver_bss *dbss = priv;
2075         struct wpa_driver_test_data *drv = dbss->drv;
2076         struct test_client_socket *cli, *prev;
2077         int i;
2078
2079         cli = drv->cli;
2080         while (cli) {
2081                 prev = cli;
2082                 cli = cli->next;
2083                 os_free(prev);
2084         }
2085
2086 #ifdef HOSTAPD
2087         /* There should be only one BSS remaining at this point. */
2088         if (dl_list_len(&drv->bss) != 1)
2089                 wpa_printf(MSG_ERROR, "%s: %u remaining BSS entries",
2090                            __func__, dl_list_len(&drv->bss));
2091 #endif /* HOSTAPD */
2092
2093         test_driver_free_bsses(drv);
2094
2095         wpa_driver_test_close_test_socket(drv);
2096         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
2097         eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
2098         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2099         os_free(drv->test_dir);
2100         for (i = 0; i < MAX_SCAN_RESULTS; i++)
2101                 os_free(drv->scanres[i]);
2102         os_free(drv->probe_req_ie);
2103         wpa_trace_remove_ref(drv, ctx, drv->ctx);
2104         os_free(drv);
2105 }
2106
2107
2108 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
2109                                   const char *dir, int ap)
2110 {
2111 #ifdef DRIVER_TEST_UNIX
2112         static unsigned int counter = 0;
2113         struct sockaddr_un addr;
2114         size_t len;
2115
2116         os_free(drv->own_socket_path);
2117         if (dir) {
2118                 len = os_strlen(dir) + 30;
2119                 drv->own_socket_path = os_malloc(len);
2120                 if (drv->own_socket_path == NULL)
2121                         return -1;
2122                 os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
2123                             dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
2124         } else {
2125                 drv->own_socket_path = os_malloc(100);
2126                 if (drv->own_socket_path == NULL)
2127                         return -1;
2128                 os_snprintf(drv->own_socket_path, 100,
2129                             "/tmp/wpa_supplicant_test-%d-%d",
2130                             getpid(), counter++);
2131         }
2132
2133         drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
2134         if (drv->test_socket < 0) {
2135                 perror("socket(PF_UNIX)");
2136                 os_free(drv->own_socket_path);
2137                 drv->own_socket_path = NULL;
2138                 return -1;
2139         }
2140
2141         os_memset(&addr, 0, sizeof(addr));
2142         addr.sun_family = AF_UNIX;
2143         os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
2144         if (bind(drv->test_socket, (struct sockaddr *) &addr,
2145                  sizeof(addr)) < 0) {
2146                 perror("bind(PF_UNIX)");
2147                 close(drv->test_socket);
2148                 unlink(drv->own_socket_path);
2149                 os_free(drv->own_socket_path);
2150                 drv->own_socket_path = NULL;
2151                 return -1;
2152         }
2153
2154         eloop_register_read_sock(drv->test_socket,
2155                                  wpa_driver_test_receive_unix, drv, NULL);
2156
2157         return 0;
2158 #else /* DRIVER_TEST_UNIX */
2159         return -1;
2160 #endif /* DRIVER_TEST_UNIX */
2161 }
2162
2163
2164 static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
2165                                       char *dst)
2166 {
2167         char *pos;
2168
2169         pos = os_strchr(dst, ':');
2170         if (pos == NULL)
2171                 return -1;
2172         *pos++ = '\0';
2173         wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
2174
2175         drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
2176         if (drv->test_socket < 0) {
2177                 perror("socket(PF_INET)");
2178                 return -1;
2179         }
2180
2181         os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
2182         drv->hostapd_addr_udp.sin_family = AF_INET;
2183 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
2184         {
2185                 int a[4];
2186                 u8 *pos;
2187                 sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
2188                 pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
2189                 *pos++ = a[0];
2190                 *pos++ = a[1];
2191                 *pos++ = a[2];
2192                 *pos++ = a[3];
2193         }
2194 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2195         inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
2196 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2197         drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
2198
2199         drv->hostapd_addr_udp_set = 1;
2200
2201         eloop_register_read_sock(drv->test_socket,
2202                                  wpa_driver_test_receive_unix, drv, NULL);
2203
2204         return 0;
2205 }
2206
2207
2208 static int wpa_driver_test_set_param(void *priv, const char *param)
2209 {
2210         struct test_driver_bss *dbss = priv;
2211         struct wpa_driver_test_data *drv = dbss->drv;
2212         const char *pos;
2213
2214         wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
2215         if (param == NULL)
2216                 return 0;
2217
2218         wpa_driver_test_close_test_socket(drv);
2219
2220 #ifdef DRIVER_TEST_UNIX
2221         pos = os_strstr(param, "test_socket=");
2222         if (pos) {
2223                 const char *pos2;
2224                 size_t len;
2225
2226                 pos += 12;
2227                 pos2 = os_strchr(pos, ' ');
2228                 if (pos2)
2229                         len = pos2 - pos;
2230                 else
2231                         len = os_strlen(pos);
2232                 if (len > sizeof(drv->hostapd_addr.sun_path))
2233                         return -1;
2234                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
2235                 drv->hostapd_addr.sun_family = AF_UNIX;
2236                 os_memcpy(drv->hostapd_addr.sun_path, pos, len);
2237                 drv->hostapd_addr_set = 1;
2238         }
2239 #endif /* DRIVER_TEST_UNIX */
2240
2241         pos = os_strstr(param, "test_dir=");
2242         if (pos) {
2243                 char *end;
2244                 os_free(drv->test_dir);
2245                 drv->test_dir = os_strdup(pos + 9);
2246                 if (drv->test_dir == NULL)
2247                         return -1;
2248                 end = os_strchr(drv->test_dir, ' ');
2249                 if (end)
2250                         *end = '\0';
2251                 if (wpa_driver_test_attach(drv, drv->test_dir, 0))
2252                         return -1;
2253         } else {
2254                 pos = os_strstr(param, "test_udp=");
2255                 if (pos) {
2256                         char *dst, *epos;
2257                         dst = os_strdup(pos + 9);
2258                         if (dst == NULL)
2259                                 return -1;
2260                         epos = os_strchr(dst, ' ');
2261                         if (epos)
2262                                 *epos = '\0';
2263                         if (wpa_driver_test_attach_udp(drv, dst))
2264                                 return -1;
2265                         os_free(dst);
2266                 } else if (wpa_driver_test_attach(drv, NULL, 0))
2267                         return -1;
2268         }
2269
2270         if (os_strstr(param, "use_associnfo=1")) {
2271                 wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
2272                 drv->use_associnfo = 1;
2273         }
2274
2275 #ifdef CONFIG_CLIENT_MLME
2276         if (os_strstr(param, "use_mlme=1")) {
2277                 wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
2278                 drv->use_mlme = 1;
2279         }
2280 #endif /* CONFIG_CLIENT_MLME */
2281
2282         return 0;
2283 }
2284
2285
2286 static const u8 * wpa_driver_test_get_mac_addr(void *priv)
2287 {
2288         struct test_driver_bss *dbss = priv;
2289         struct wpa_driver_test_data *drv = dbss->drv;
2290         wpa_printf(MSG_DEBUG, "%s", __func__);
2291         return drv->own_addr;
2292 }
2293
2294
2295 static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
2296                                       const u8 *data, size_t data_len)
2297 {
2298         struct test_driver_bss *dbss = priv;
2299         struct wpa_driver_test_data *drv = dbss->drv;
2300         char *msg;
2301         size_t msg_len;
2302         struct l2_ethhdr eth;
2303         struct sockaddr *addr;
2304         socklen_t alen;
2305 #ifdef DRIVER_TEST_UNIX
2306         struct sockaddr_un addr_un;
2307 #endif /* DRIVER_TEST_UNIX */
2308
2309         wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
2310
2311         os_memset(&eth, 0, sizeof(eth));
2312         os_memcpy(eth.h_dest, dest, ETH_ALEN);
2313         os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
2314         eth.h_proto = host_to_be16(proto);
2315
2316         msg_len = 6 + sizeof(eth) + data_len;
2317         msg = os_malloc(msg_len);
2318         if (msg == NULL)
2319                 return -1;
2320         os_memcpy(msg, "EAPOL ", 6);
2321         os_memcpy(msg + 6, &eth, sizeof(eth));
2322         os_memcpy(msg + 6 + sizeof(eth), data, data_len);
2323
2324         if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
2325             drv->test_dir == NULL) {
2326                 if (drv->hostapd_addr_udp_set) {
2327                         addr = (struct sockaddr *) &drv->hostapd_addr_udp;
2328                         alen = sizeof(drv->hostapd_addr_udp);
2329                 } else {
2330 #ifdef DRIVER_TEST_UNIX
2331                         addr = (struct sockaddr *) &drv->hostapd_addr;
2332                         alen = sizeof(drv->hostapd_addr);
2333 #else /* DRIVER_TEST_UNIX */
2334                         os_free(msg);
2335                         return -1;
2336 #endif /* DRIVER_TEST_UNIX */
2337                 }
2338         } else {
2339 #ifdef DRIVER_TEST_UNIX
2340                 struct stat st;
2341                 os_memset(&addr_un, 0, sizeof(addr_un));
2342                 addr_un.sun_family = AF_UNIX;
2343                 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2344                             "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
2345                 if (stat(addr_un.sun_path, &st) < 0) {
2346                         os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2347                                     "%s/AP-" MACSTR,
2348                                     drv->test_dir, MAC2STR(dest));
2349                 }
2350                 addr = (struct sockaddr *) &addr_un;
2351                 alen = sizeof(addr_un);
2352 #else /* DRIVER_TEST_UNIX */
2353                 os_free(msg);
2354                 return -1;
2355 #endif /* DRIVER_TEST_UNIX */
2356         }
2357
2358         if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
2359                 perror("sendmsg(test_socket)");
2360                 os_free(msg);
2361                 return -1;
2362         }
2363
2364         os_free(msg);
2365         return 0;
2366 }
2367
2368
2369 static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
2370 {
2371         struct test_driver_bss *dbss = priv;
2372         struct wpa_driver_test_data *drv = dbss->drv;
2373         os_memset(capa, 0, sizeof(*capa));
2374         capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2375                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2376                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2377                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
2378                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
2379                 WPA_DRIVER_CAPA_KEY_MGMT_FT |
2380                 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2381         capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2382                 WPA_DRIVER_CAPA_ENC_WEP104 |
2383                 WPA_DRIVER_CAPA_ENC_TKIP |
2384                 WPA_DRIVER_CAPA_ENC_CCMP;
2385         capa->auth = WPA_DRIVER_AUTH_OPEN |
2386                 WPA_DRIVER_AUTH_SHARED |
2387                 WPA_DRIVER_AUTH_LEAP;
2388         if (drv->use_mlme)
2389                 capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
2390         capa->flags |= WPA_DRIVER_FLAGS_AP;
2391         capa->flags |= WPA_DRIVER_FLAGS_P2P_CONCURRENT;
2392         capa->flags |= WPA_DRIVER_FLAGS_P2P_DEDICATED_INTERFACE;
2393         capa->flags |= WPA_DRIVER_FLAGS_P2P_CAPABLE;
2394         capa->max_scan_ssids = 2;
2395         capa->max_remain_on_chan = 60000;
2396
2397         return 0;
2398 }
2399
2400
2401 static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
2402                                               int protect_type,
2403                                               int key_type)
2404 {
2405         wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
2406                    __func__, protect_type, key_type);
2407
2408         if (addr) {
2409                 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
2410                            __func__, MAC2STR(addr));
2411         }
2412
2413         return 0;
2414 }
2415
2416
2417 static int wpa_driver_test_set_channel(void *priv,
2418                                        enum hostapd_hw_mode phymode,
2419                                        int chan, int freq)
2420 {
2421         struct test_driver_bss *dbss = priv;
2422         struct wpa_driver_test_data *drv = dbss->drv;
2423         wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
2424                    __func__, phymode, chan, freq);
2425         drv->current_freq = freq;
2426         return 0;
2427 }
2428
2429
2430 static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
2431                                         const u8 *supp_rates,
2432                                         size_t supp_rates_len)
2433 {
2434         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2435         return 0;
2436 }
2437
2438
2439 static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
2440 {
2441         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2442         return 0;
2443 }
2444
2445
2446 static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
2447                                     size_t ssid_len)
2448 {
2449         wpa_printf(MSG_DEBUG, "%s", __func__);
2450         return 0;
2451 }
2452
2453
2454 static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
2455 {
2456         wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
2457         return 0;
2458 }
2459
2460
2461 static void * wpa_driver_test_global_init(void)
2462 {
2463         struct wpa_driver_test_global *global;
2464
2465         global = os_zalloc(sizeof(*global));
2466         return global;
2467 }
2468
2469
2470 static void wpa_driver_test_global_deinit(void *priv)
2471 {
2472         struct wpa_driver_test_global *global = priv;
2473         os_free(global);
2474 }
2475
2476
2477 static struct wpa_interface_info *
2478 wpa_driver_test_get_interfaces(void *global_priv)
2479 {
2480         /* struct wpa_driver_test_global *global = priv; */
2481         struct wpa_interface_info *iface;
2482
2483         iface = os_zalloc(sizeof(*iface));
2484         if (iface == NULL)
2485                 return iface;
2486         iface->ifname = os_strdup("sta0");
2487         iface->desc = os_strdup("test interface 0");
2488         iface->drv_name = "test";
2489         iface->next = os_zalloc(sizeof(*iface));
2490         if (iface->next) {
2491                 iface->next->ifname = os_strdup("sta1");
2492                 iface->next->desc = os_strdup("test interface 1");
2493                 iface->next->drv_name = "test";
2494         }
2495
2496         return iface;
2497 }
2498
2499
2500 static struct hostapd_hw_modes *
2501 wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
2502 {
2503         struct hostapd_hw_modes *modes;
2504         size_t i;
2505
2506         *num_modes = 3;
2507         *flags = 0;
2508         modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
2509         if (modes == NULL)
2510                 return NULL;
2511         modes[0].mode = HOSTAPD_MODE_IEEE80211G;
2512         modes[0].num_channels = 11;
2513         modes[0].num_rates = 12;
2514         modes[0].channels =
2515                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2516         modes[0].rates = os_zalloc(modes[0].num_rates * sizeof(int));
2517         if (modes[0].channels == NULL || modes[0].rates == NULL)
2518                 goto fail;
2519         for (i = 0; i < 11; i++) {
2520                 modes[0].channels[i].chan = i + 1;
2521                 modes[0].channels[i].freq = 2412 + 5 * i;
2522                 modes[0].channels[i].flag = 0;
2523         }
2524         modes[0].rates[0] = 10;
2525         modes[0].rates[1] = 20;
2526         modes[0].rates[2] = 55;
2527         modes[0].rates[3] = 110;
2528         modes[0].rates[4] = 60;
2529         modes[0].rates[5] = 90;
2530         modes[0].rates[6] = 120;
2531         modes[0].rates[7] = 180;
2532         modes[0].rates[8] = 240;
2533         modes[0].rates[9] = 360;
2534         modes[0].rates[10] = 480;
2535         modes[0].rates[11] = 540;
2536
2537         modes[1].mode = HOSTAPD_MODE_IEEE80211B;
2538         modes[1].num_channels = 11;
2539         modes[1].num_rates = 4;
2540         modes[1].channels =
2541                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2542         modes[1].rates = os_zalloc(modes[1].num_rates * sizeof(int));
2543         if (modes[1].channels == NULL || modes[1].rates == NULL)
2544                 goto fail;
2545         for (i = 0; i < 11; i++) {
2546                 modes[1].channels[i].chan = i + 1;
2547                 modes[1].channels[i].freq = 2412 + 5 * i;
2548                 modes[1].channels[i].flag = 0;
2549         }
2550         modes[1].rates[0] = 10;
2551         modes[1].rates[1] = 20;
2552         modes[1].rates[2] = 55;
2553         modes[1].rates[3] = 110;
2554
2555         modes[2].mode = HOSTAPD_MODE_IEEE80211A;
2556         modes[2].num_channels = 1;
2557         modes[2].num_rates = 8;
2558         modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2559         modes[2].rates = os_zalloc(modes[2].num_rates * sizeof(int));
2560         if (modes[2].channels == NULL || modes[2].rates == NULL)
2561                 goto fail;
2562         modes[2].channels[0].chan = 60;
2563         modes[2].channels[0].freq = 5300;
2564         modes[2].channels[0].flag = 0;
2565         modes[2].rates[0] = 60;
2566         modes[2].rates[1] = 90;
2567         modes[2].rates[2] = 120;
2568         modes[2].rates[3] = 180;
2569         modes[2].rates[4] = 240;
2570         modes[2].rates[5] = 360;
2571         modes[2].rates[6] = 480;
2572         modes[2].rates[7] = 540;
2573
2574         return modes;
2575
2576 fail:
2577         if (modes) {
2578                 for (i = 0; i < *num_modes; i++) {
2579                         os_free(modes[i].channels);
2580                         os_free(modes[i].rates);
2581                 }
2582                 os_free(modes);
2583         }
2584         return NULL;
2585 }
2586
2587
2588 static int wpa_driver_test_set_freq(void *priv,
2589                                     struct hostapd_freq_params *freq)
2590 {
2591         struct test_driver_bss *dbss = priv;
2592         struct wpa_driver_test_data *drv = dbss->drv;
2593         wpa_printf(MSG_DEBUG, "test: set_freq %u MHz", freq->freq);
2594         drv->current_freq = freq->freq;
2595         return 0;
2596 }
2597
2598
2599 static int wpa_driver_test_send_action(void *priv, unsigned int freq,
2600                                        const u8 *dst, const u8 *src,
2601                                        const u8 *bssid,
2602                                        const u8 *data, size_t data_len)
2603 {
2604         struct test_driver_bss *dbss = priv;
2605         struct wpa_driver_test_data *drv = dbss->drv;
2606         int ret = -1;
2607         u8 *buf;
2608         struct ieee80211_hdr *hdr;
2609
2610         wpa_printf(MSG_DEBUG, "test: Send Action frame");
2611
2612         if ((drv->remain_on_channel_freq &&
2613              freq != drv->remain_on_channel_freq) ||
2614             (drv->remain_on_channel_freq == 0 &&
2615              freq != (unsigned int) drv->current_freq)) {
2616                 wpa_printf(MSG_DEBUG, "test: Reject Action frame TX on "
2617                            "unexpected channel: freq=%u MHz (current_freq=%u "
2618                            "MHz, remain-on-channel freq=%u MHz)",
2619                            freq, drv->current_freq,
2620                            drv->remain_on_channel_freq);
2621                 return -1;
2622         }
2623
2624         buf = os_zalloc(24 + data_len);
2625         if (buf == NULL)
2626                 return ret;
2627         os_memcpy(buf + 24, data, data_len);
2628         hdr = (struct ieee80211_hdr *) buf;
2629         hdr->frame_control =
2630                 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
2631         os_memcpy(hdr->addr1, dst, ETH_ALEN);
2632         os_memcpy(hdr->addr2, src, ETH_ALEN);
2633         os_memcpy(hdr->addr3, bssid, ETH_ALEN);
2634
2635         ret = wpa_driver_test_send_mlme(priv, buf, 24 + data_len);
2636         os_free(buf);
2637         return ret;
2638 }
2639
2640
2641 static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx)
2642 {
2643         struct wpa_driver_test_data *drv = eloop_ctx;
2644         union wpa_event_data data;
2645
2646         wpa_printf(MSG_DEBUG, "test: Remain-on-channel timeout");
2647
2648         os_memset(&data, 0, sizeof(data));
2649         data.remain_on_channel.freq = drv->remain_on_channel_freq;
2650         data.remain_on_channel.duration = drv->remain_on_channel_duration;
2651         wpa_supplicant_event(drv->ctx, EVENT_CANCEL_REMAIN_ON_CHANNEL, &data);
2652
2653         drv->remain_on_channel_freq = 0;
2654 }
2655
2656
2657 static int wpa_driver_test_remain_on_channel(void *priv, unsigned int freq,
2658                                              unsigned int duration)
2659 {
2660         struct test_driver_bss *dbss = priv;
2661         struct wpa_driver_test_data *drv = dbss->drv;
2662         union wpa_event_data data;
2663
2664         wpa_printf(MSG_DEBUG, "%s(freq=%u, duration=%u)",
2665                    __func__, freq, duration);
2666         if (drv->remain_on_channel_freq &&
2667             drv->remain_on_channel_freq != freq) {
2668                 wpa_printf(MSG_DEBUG, "test: Refuse concurrent "
2669                            "remain_on_channel request");
2670                 return -1;
2671         }
2672
2673         drv->remain_on_channel_freq = freq;
2674         drv->remain_on_channel_duration = duration;
2675         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2676         eloop_register_timeout(duration / 1000, (duration % 1000) * 1000,
2677                                test_remain_on_channel_timeout, drv, NULL);
2678
2679         os_memset(&data, 0, sizeof(data));
2680         data.remain_on_channel.freq = freq;
2681         data.remain_on_channel.duration = duration;
2682         wpa_supplicant_event(drv->ctx, EVENT_REMAIN_ON_CHANNEL, &data);
2683
2684         return 0;
2685 }
2686
2687
2688 static int wpa_driver_test_cancel_remain_on_channel(void *priv)
2689 {
2690         struct test_driver_bss *dbss = priv;
2691         struct wpa_driver_test_data *drv = dbss->drv;
2692         wpa_printf(MSG_DEBUG, "%s", __func__);
2693         if (!drv->remain_on_channel_freq)
2694                 return -1;
2695         drv->remain_on_channel_freq = 0;
2696         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2697         return 0;
2698 }
2699
2700
2701 static int wpa_driver_test_probe_req_report(void *priv, int report)
2702 {
2703         struct test_driver_bss *dbss = priv;
2704         struct wpa_driver_test_data *drv = dbss->drv;
2705         wpa_printf(MSG_DEBUG, "%s(report=%d)", __func__, report);
2706         drv->probe_req_report = report;
2707         return 0;
2708 }
2709
2710
2711 const struct wpa_driver_ops wpa_driver_test_ops = {
2712         "test",
2713         "wpa_supplicant test driver",
2714         .hapd_init = test_driver_init,
2715         .hapd_deinit = wpa_driver_test_deinit,
2716         .hapd_send_eapol = test_driver_send_eapol,
2717         .send_mlme = wpa_driver_test_send_mlme,
2718         .set_generic_elem = test_driver_set_generic_elem,
2719         .sta_deauth = test_driver_sta_deauth,
2720         .sta_disassoc = test_driver_sta_disassoc,
2721         .get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
2722         .if_add = test_driver_if_add,
2723         .if_remove = test_driver_if_remove,
2724         .valid_bss_mask = test_driver_valid_bss_mask,
2725         .hapd_set_ssid = test_driver_set_ssid,
2726         .set_privacy = test_driver_set_privacy,
2727         .set_sta_vlan = test_driver_set_sta_vlan,
2728         .sta_add = test_driver_sta_add,
2729         .send_ether = test_driver_send_ether,
2730         .set_ap_wps_ie = test_driver_set_ap_wps_ie,
2731         .get_bssid = wpa_driver_test_get_bssid,
2732         .get_ssid = wpa_driver_test_get_ssid,
2733         .set_key = wpa_driver_test_set_key,
2734         .deinit = wpa_driver_test_deinit,
2735         .set_param = wpa_driver_test_set_param,
2736         .deauthenticate = wpa_driver_test_deauthenticate,
2737         .disassociate = wpa_driver_test_disassociate,
2738         .associate = wpa_driver_test_associate,
2739         .get_capa = wpa_driver_test_get_capa,
2740         .get_mac_addr = wpa_driver_test_get_mac_addr,
2741         .send_eapol = wpa_driver_test_send_eapol,
2742         .mlme_setprotection = wpa_driver_test_mlme_setprotection,
2743         .set_channel = wpa_driver_test_set_channel,
2744         .set_ssid = wpa_driver_test_set_ssid,
2745         .set_bssid = wpa_driver_test_set_bssid,
2746         .mlme_add_sta = wpa_driver_test_mlme_add_sta,
2747         .mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
2748         .get_scan_results2 = wpa_driver_test_get_scan_results2,
2749         .global_init = wpa_driver_test_global_init,
2750         .global_deinit = wpa_driver_test_global_deinit,
2751         .init2 = wpa_driver_test_init2,
2752         .get_interfaces = wpa_driver_test_get_interfaces,
2753         .scan2 = wpa_driver_test_scan,
2754         .set_freq = wpa_driver_test_set_freq,
2755         .send_action = wpa_driver_test_send_action,
2756         .remain_on_channel = wpa_driver_test_remain_on_channel,
2757         .cancel_remain_on_channel = wpa_driver_test_cancel_remain_on_channel,
2758         .probe_req_report = wpa_driver_test_probe_req_report,
2759 };