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(const char *ifname, void *priv,
 844                                      const struct wpabuf *beacon,
 845                                      const struct wpabuf *proberesp)
 846 {
 847         struct test_driver_bss *bss = priv;
 848
 849         if (beacon == NULL)
 850                 wpa_printf(MSG_DEBUG, "test_driver: Clear Beacon WPS IE");
 851         else
 852                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Beacon WPS IE",
 853                                 beacon);
 854
 855         os_free(bss->wps_beacon_ie);
 856
 857         if (beacon == NULL) {
 858                 bss->wps_beacon_ie = NULL;
 859                 bss->wps_beacon_ie_len = 0;
 860         } else {
 861                 bss->wps_beacon_ie = os_malloc(wpabuf_len(beacon));
 862                 if (bss->wps_beacon_ie == NULL) {
 863                         bss->wps_beacon_ie_len = 0;
 864                         return -1;
 865                 }
 866
 867                 os_memcpy(bss->wps_beacon_ie, wpabuf_head(beacon),
 868                           wpabuf_len(beacon));
 869                 bss->wps_beacon_ie_len = wpabuf_len(beacon);
 870         }
 871
 872         if (proberesp == NULL)
 873                 wpa_printf(MSG_DEBUG, "test_driver: Clear Probe Response WPS "
 874                            "IE");
 875         else
 876                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Probe Response WPS "
 877                                 "IE", proberesp);
 878
 879         os_free(bss->wps_probe_resp_ie);
 880
 881         if (proberesp == NULL) {
 882                 bss->wps_probe_resp_ie = NULL;
 883                 bss->wps_probe_resp_ie_len = 0;
 884         } else {
 885                 bss->wps_probe_resp_ie = os_malloc(wpabuf_len(proberesp));
 886                 if (bss->wps_probe_resp_ie == NULL) {
 887                         bss->wps_probe_resp_ie_len = 0;
 888                         return -1;
 889                 }
 890
 891                 os_memcpy(bss->wps_probe_resp_ie, wpabuf_head(proberesp),
 892                           wpabuf_len(proberesp));
 893                 bss->wps_probe_resp_ie_len = wpabuf_len(proberesp);
 894         }
 895
 896         return 0;
 897 }
 898
 899
 900 static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
 901                                   const u8 *addr, int reason)
 902 {
 903         struct test_driver_bss *dbss = priv;
 904         struct wpa_driver_test_data *drv = dbss->drv;
 905         struct test_client_socket *cli;
 906
 907         if (drv->test_socket < 0)
 908                 return -1;
 909
 910         cli = drv->cli;
 911         while (cli) {
 912                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 913                         break;
 914                 cli = cli->next;
 915         }
 916
 917         if (!cli)
 918                 return -1;
 919
 920         return sendto(drv->test_socket, "DEAUTH", 6, 0,
 921                       (struct sockaddr *) &cli->un, cli->unlen);
 922 }
 923
 924
 925 static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
 926                                     const u8 *addr, int reason)
 927 {
 928         struct test_driver_bss *dbss = priv;
 929         struct wpa_driver_test_data *drv = dbss->drv;
 930         struct test_client_socket *cli;
 931
 932         if (drv->test_socket < 0)
 933                 return -1;
 934
 935         cli = drv->cli;
 936         while (cli) {
 937                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 938                         break;
 939                 cli = cli->next;
 940         }
 941
 942         if (!cli)
 943                 return -1;
 944
 945         return sendto(drv->test_socket, "DISASSOC", 8, 0,
 946                       (struct sockaddr *) &cli->un, cli->unlen);
 947 }
 948
 949
 950 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid,
 951                                void *bss_ctx, void **drv_priv)
 952 {
 953         struct test_driver_bss *dbss = priv;
 954         struct wpa_driver_test_data *drv = dbss->drv;
 955         struct test_driver_bss *bss;
 956
 957         wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
 958                    __func__, ifname, MAC2STR(bssid));
 959
 960         bss = os_zalloc(sizeof(*bss));
 961         if (bss == NULL)
 962                 return -1;
 963
 964         bss->bss_ctx = bss_ctx;
 965         bss->drv = drv;
 966         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
 967         os_memcpy(bss->bssid, bssid, ETH_ALEN);
 968
 969         dl_list_add(&drv->bss, &bss->list);
 970         if (drv->global) {
 971                 drv->global->bss_add_used = 1;
 972                 os_memcpy(drv->global->req_addr, bssid, ETH_ALEN);
 973         }
 974
 975         if (drv_priv)
 976                 *drv_priv = bss;
 977
 978         return 0;
 979 }
 980
 981
 982 static int test_driver_bss_remove(void *priv, const char *ifname)
 983 {
 984         struct test_driver_bss *dbss = priv;
 985         struct wpa_driver_test_data *drv = dbss->drv;
 986         struct test_driver_bss *bss;
 987         struct test_client_socket *cli, *prev_c;
 988
 989         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
 990
 991         dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
 992                 if (strcmp(bss->ifname, ifname) != 0)
 993                         continue;
 994
 995                 for (prev_c = NULL, cli = drv->cli; cli;
 996                      prev_c = cli, cli = cli->next) {
 997                         if (cli->bss != bss)
 998                                 continue;
 999                         if (prev_c)
1000                                 prev_c->next = cli->next;
1001                         else
1002                                 drv->cli = cli->next;
1003                         os_free(cli);
1004                         break;
1005                 }
1006
1007                 dl_list_del(&bss->list);
1008                 test_driver_free_bss(bss);
1009                 return 0;
1010         }
1011
1012         return -1;
1013 }
1014
1015
1016 static int test_driver_if_add(void *priv, enum wpa_driver_if_type type,
1017                               const char *ifname, const u8 *addr,
1018                               void *bss_ctx, void **drv_priv)
1019 {
1020         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s bss_ctx=%p)",
1021                    __func__, type, ifname, bss_ctx);
1022         if (type == WPA_IF_AP_BSS)
1023                 return test_driver_bss_add(priv, ifname, addr, bss_ctx,
1024                                            drv_priv);
1025         return 0;
1026 }
1027
1028
1029 static int test_driver_if_remove(void *priv, enum wpa_driver_if_type type,
1030                                  const char *ifname)
1031 {
1032         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1033         if (type == WPA_IF_AP_BSS)
1034                 return test_driver_bss_remove(priv, ifname);
1035         return 0;
1036 }
1037
1038
1039 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1040                                       const u8 *mask)
1041 {
1042         return 0;
1043 }
1044
1045
1046 static int test_driver_set_ssid(const char *ifname, void *priv, const u8 *buf,
1047                                 int len)
1048 {
1049         struct test_driver_bss *bss = priv;
1050
1051         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
1052         wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1053
1054         if (len < 0 || (size_t) len > sizeof(bss->ssid))
1055                 return -1;
1056
1057         os_memcpy(bss->ssid, buf, len);
1058         bss->ssid_len = len;
1059
1060         return 0;
1061 }
1062
1063
1064 static int test_driver_set_privacy(void *priv, int enabled)
1065 {
1066         struct test_driver_bss *dbss = priv;
1067
1068         wpa_printf(MSG_DEBUG, "%s(enabled=%d)",  __func__, enabled);
1069         dbss->privacy = enabled;
1070
1071         return 0;
1072 }
1073
1074
1075 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1076                                     const char *ifname, int vlan_id)
1077 {
1078         wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1079                    __func__, MAC2STR(addr), ifname, vlan_id);
1080         return 0;
1081 }
1082
1083
1084 static int test_driver_sta_add(const char *ifname, void *priv,
1085                                struct hostapd_sta_add_params *params)
1086 {
1087         struct test_driver_bss *bss = priv;
1088         struct wpa_driver_test_data *drv = bss->drv;
1089         struct test_client_socket *cli;
1090
1091         wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1092                    "capability=0x%x listen_interval=%d)",
1093                    __func__, ifname, MAC2STR(params->addr), params->aid,
1094                    params->capability, params->listen_interval);
1095         wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1096                     params->supp_rates, params->supp_rates_len);
1097
1098         cli = drv->cli;
1099         while (cli) {
1100                 if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
1101                         break;
1102                 cli = cli->next;
1103         }
1104         if (!cli) {
1105                 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1106                            __func__);
1107                 return -1;
1108         }
1109
1110         cli->bss = bss;
1111
1112         return 0;
1113 }
1114
1115
1116 static struct wpa_driver_test_data * test_alloc_data(void *ctx,
1117                                                      const char *ifname)
1118 {
1119         struct wpa_driver_test_data *drv;
1120         struct test_driver_bss *bss;
1121
1122         drv = os_zalloc(sizeof(struct wpa_driver_test_data));
1123         if (drv == NULL) {
1124                 wpa_printf(MSG_ERROR, "Could not allocate memory for test "
1125                            "driver data");
1126                 return NULL;
1127         }
1128
1129         bss = os_zalloc(sizeof(struct test_driver_bss));
1130         if (bss == NULL) {
1131                 os_free(drv);
1132                 return NULL;
1133         }
1134
1135         drv->ctx = ctx;
1136         wpa_trace_add_ref(drv, ctx, ctx);
1137         dl_list_init(&drv->bss);
1138         dl_list_add(&drv->bss, &bss->list);
1139         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
1140         bss->bss_ctx = ctx;
1141         bss->drv = drv;
1142
1143         /* Generate a MAC address to help testing with multiple STAs */
1144         drv->own_addr[0] = 0x02; /* locally administered */
1145         sha1_prf((const u8 *) ifname, os_strlen(ifname),
1146                  "test mac addr generation",
1147                  NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
1148
1149         return drv;
1150 }
1151
1152
1153 static void * test_driver_init(struct hostapd_data *hapd,
1154                                struct wpa_init_params *params)
1155 {
1156         struct wpa_driver_test_data *drv;
1157         struct sockaddr_un addr_un;
1158         struct sockaddr_in addr_in;
1159         struct sockaddr *addr;
1160         socklen_t alen;
1161         struct test_driver_bss *bss;
1162
1163         drv = test_alloc_data(hapd, params->ifname);
1164         if (drv == NULL)
1165                 return NULL;
1166         drv->ap = 1;
1167         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1168
1169         bss->bss_ctx = hapd;
1170         os_memcpy(bss->bssid, drv->own_addr, ETH_ALEN);
1171         os_memcpy(params->own_addr, drv->own_addr, ETH_ALEN);
1172
1173         if (params->test_socket) {
1174                 if (os_strlen(params->test_socket) >=
1175                     sizeof(addr_un.sun_path)) {
1176                         printf("Too long test_socket path\n");
1177                         wpa_driver_test_deinit(bss);
1178                         return NULL;
1179                 }
1180                 if (strncmp(params->test_socket, "DIR:", 4) == 0) {
1181                         size_t len = strlen(params->test_socket) + 30;
1182                         drv->test_dir = os_strdup(params->test_socket + 4);
1183                         drv->own_socket_path = os_malloc(len);
1184                         if (drv->own_socket_path) {
1185                                 snprintf(drv->own_socket_path, len,
1186                                          "%s/AP-" MACSTR,
1187                                          params->test_socket + 4,
1188                                          MAC2STR(params->own_addr));
1189                         }
1190                 } else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
1191                         drv->udp_port = atoi(params->test_socket + 4);
1192                 } else {
1193                         drv->own_socket_path = os_strdup(params->test_socket);
1194                 }
1195                 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1196                         wpa_driver_test_deinit(bss);
1197                         return NULL;
1198                 }
1199
1200                 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1201                                           SOCK_DGRAM, 0);
1202                 if (drv->test_socket < 0) {
1203                         perror("socket");
1204                         wpa_driver_test_deinit(bss);
1205                         return NULL;
1206                 }
1207
1208                 if (drv->udp_port) {
1209                         os_memset(&addr_in, 0, sizeof(addr_in));
1210                         addr_in.sin_family = AF_INET;
1211                         addr_in.sin_port = htons(drv->udp_port);
1212                         addr = (struct sockaddr *) &addr_in;
1213                         alen = sizeof(addr_in);
1214                 } else {
1215                         os_memset(&addr_un, 0, sizeof(addr_un));
1216                         addr_un.sun_family = AF_UNIX;
1217                         os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1218                                    sizeof(addr_un.sun_path));
1219                         addr = (struct sockaddr *) &addr_un;
1220                         alen = sizeof(addr_un);
1221                 }
1222                 if (bind(drv->test_socket, addr, alen) < 0) {
1223                         perror("bind(PF_UNIX)");
1224                         close(drv->test_socket);
1225                         if (drv->own_socket_path)
1226                                 unlink(drv->own_socket_path);
1227                         wpa_driver_test_deinit(bss);
1228                         return NULL;
1229                 }
1230                 eloop_register_read_sock(drv->test_socket,
1231                                          test_driver_receive_unix, drv, NULL);
1232         } else
1233                 drv->test_socket = -1;
1234
1235         return bss;
1236 }
1237
1238
1239 static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
1240 {
1241         struct wpa_driver_test_data *drv = eloop_ctx;
1242
1243 #ifdef DRIVER_TEST_UNIX
1244         if (drv->associated && drv->hostapd_addr_set) {
1245                 struct stat st;
1246                 if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
1247                         wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
1248                                    __func__, strerror(errno));
1249                         drv->associated = 0;
1250                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1251                 }
1252         }
1253 #endif /* DRIVER_TEST_UNIX */
1254
1255         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1256 }
1257
1258
1259 static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1260 {
1261         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1262         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1263 }
1264
1265
1266 #ifdef DRIVER_TEST_UNIX
1267 static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
1268                                 const char *path)
1269 {
1270         struct dirent *dent;
1271         DIR *dir;
1272         struct sockaddr_un addr;
1273         char cmd[512], *pos, *end;
1274         int ret;
1275
1276         dir = opendir(path);
1277         if (dir == NULL)
1278                 return;
1279
1280         end = cmd + sizeof(cmd);
1281         pos = cmd;
1282         ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
1283                           MAC2STR(drv->own_addr));
1284         if (ret >= 0 && ret < end - pos)
1285                 pos += ret;
1286         if (drv->probe_req_ie) {
1287                 ret = os_snprintf(pos, end - pos, " ");
1288                 if (ret >= 0 && ret < end - pos)
1289                         pos += ret;
1290                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
1291                                         drv->probe_req_ie_len);
1292         }
1293         if (drv->probe_req_ssid_len) {
1294                 /* Add SSID IE */
1295                 ret = os_snprintf(pos, end - pos, "%02x%02x",
1296                                   WLAN_EID_SSID,
1297                                   (unsigned int) drv->probe_req_ssid_len);
1298                 if (ret >= 0 && ret < end - pos)
1299                         pos += ret;
1300                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ssid,
1301                                         drv->probe_req_ssid_len);
1302         }
1303         end[-1] = '\0';
1304
1305         while ((dent = readdir(dir))) {
1306                 if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
1307                     os_strncmp(dent->d_name, "STA-", 4) != 0)
1308                         continue;
1309                 if (drv->own_socket_path) {
1310                         size_t olen, dlen;
1311                         olen = os_strlen(drv->own_socket_path);
1312                         dlen = os_strlen(dent->d_name);
1313                         if (olen >= dlen &&
1314                             os_strcmp(dent->d_name,
1315                                       drv->own_socket_path + olen - dlen) == 0)
1316                                 continue;
1317                 }
1318                 wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
1319
1320                 os_memset(&addr, 0, sizeof(addr));
1321                 addr.sun_family = AF_UNIX;
1322                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
1323                             path, dent->d_name);
1324
1325                 if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1326                            (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1327                         perror("sendto(test_socket)");
1328                 }
1329         }
1330         closedir(dir);
1331 }
1332 #endif /* DRIVER_TEST_UNIX */
1333
1334
1335 static int wpa_driver_test_scan(void *priv,
1336                                 struct wpa_driver_scan_params *params)
1337 {
1338         struct test_driver_bss *dbss = priv;
1339         struct wpa_driver_test_data *drv = dbss->drv;
1340         size_t i;
1341
1342         wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
1343
1344         os_free(drv->probe_req_ie);
1345         if (params->extra_ies) {
1346                 drv->probe_req_ie = os_malloc(params->extra_ies_len);
1347                 if (drv->probe_req_ie == NULL) {
1348                         drv->probe_req_ie_len = 0;
1349                         return -1;
1350                 }
1351                 os_memcpy(drv->probe_req_ie, params->extra_ies,
1352                           params->extra_ies_len);
1353                 drv->probe_req_ie_len = params->extra_ies_len;
1354         } else {
1355                 drv->probe_req_ie = NULL;
1356                 drv->probe_req_ie_len = 0;
1357         }
1358
1359         for (i = 0; i < params->num_ssids; i++)
1360                 wpa_hexdump(MSG_DEBUG, "Scan SSID",
1361                             params->ssids[i].ssid, params->ssids[i].ssid_len);
1362         drv->probe_req_ssid_len = 0;
1363         if (params->num_ssids) {
1364                 os_memcpy(drv->probe_req_ssid, params->ssids[0].ssid,
1365                           params->ssids[0].ssid_len);
1366                 drv->probe_req_ssid_len = params->ssids[0].ssid_len;
1367         }
1368         wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
1369                     params->extra_ies, params->extra_ies_len);
1370
1371         drv->num_scanres = 0;
1372
1373 #ifdef DRIVER_TEST_UNIX
1374         if (drv->test_socket >= 0 && drv->test_dir)
1375                 wpa_driver_scan_dir(drv, drv->test_dir);
1376
1377         if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
1378             sendto(drv->test_socket, "SCAN", 4, 0,
1379                    (struct sockaddr *) &drv->hostapd_addr,
1380                    sizeof(drv->hostapd_addr)) < 0) {
1381                 perror("sendto(test_socket)");
1382         }
1383 #endif /* DRIVER_TEST_UNIX */
1384
1385         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1386             sendto(drv->test_socket, "SCAN", 4, 0,
1387                    (struct sockaddr *) &drv->hostapd_addr_udp,
1388                    sizeof(drv->hostapd_addr_udp)) < 0) {
1389                 perror("sendto(test_socket)");
1390         }
1391
1392         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1393         eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
1394                                drv->ctx);
1395         return 0;
1396 }
1397
1398
1399 static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
1400 {
1401         struct test_driver_bss *dbss = priv;
1402         struct wpa_driver_test_data *drv = dbss->drv;
1403         struct wpa_scan_results *res;
1404         size_t i;
1405
1406         res = os_zalloc(sizeof(*res));
1407         if (res == NULL)
1408                 return NULL;
1409
1410         res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
1411         if (res->res == NULL) {
1412                 os_free(res);
1413                 return NULL;
1414         }
1415
1416         for (i = 0; i < drv->num_scanres; i++) {
1417                 struct wpa_scan_res *r;
1418                 if (drv->scanres[i] == NULL)
1419                         continue;
1420                 r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
1421                 if (r == NULL)
1422                         break;
1423                 os_memcpy(r, drv->scanres[i],
1424                           sizeof(*r) + drv->scanres[i]->ie_len);
1425                 res->res[res->num++] = r;
1426         }
1427
1428         return res;
1429 }
1430
1431
1432 static int wpa_driver_test_set_key(const char *ifname, void *priv,
1433                                    enum wpa_alg alg, const u8 *addr,
1434                                    int key_idx, int set_tx,
1435                                    const u8 *seq, size_t seq_len,
1436                                    const u8 *key, size_t key_len)
1437 {
1438         wpa_printf(MSG_DEBUG, "%s: ifname=%s priv=%p alg=%d key_idx=%d "
1439                    "set_tx=%d",
1440                    __func__, ifname, priv, alg, key_idx, set_tx);
1441         if (addr)
1442                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
1443         if (seq)
1444                 wpa_hexdump(MSG_DEBUG, "   seq", seq, seq_len);
1445         if (key)
1446                 wpa_hexdump_key(MSG_DEBUG, "   key", key, key_len);
1447         return 0;
1448 }
1449
1450
1451 static int wpa_driver_update_mode(struct wpa_driver_test_data *drv, int ap)
1452 {
1453         if (ap && !drv->ap) {
1454                 wpa_driver_test_close_test_socket(drv);
1455                 wpa_driver_test_attach(drv, drv->test_dir, 1);
1456                 drv->ap = 1;
1457         } else if (!ap && drv->ap) {
1458                 wpa_driver_test_close_test_socket(drv);
1459                 wpa_driver_test_attach(drv, drv->test_dir, 0);
1460                 drv->ap = 0;
1461         }
1462
1463         return 0;
1464 }
1465
1466
1467 static int wpa_driver_test_associate(
1468         void *priv, struct wpa_driver_associate_params *params)
1469 {
1470         struct test_driver_bss *dbss = priv;
1471         struct wpa_driver_test_data *drv = dbss->drv;
1472         wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
1473                    "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
1474                    __func__, priv, params->freq, params->pairwise_suite,
1475                    params->group_suite, params->key_mgmt_suite,
1476                    params->auth_alg, params->mode);
1477         if (params->bssid) {
1478                 wpa_printf(MSG_DEBUG, "   bssid=" MACSTR,
1479                            MAC2STR(params->bssid));
1480         }
1481         if (params->ssid) {
1482                 wpa_hexdump_ascii(MSG_DEBUG, "   ssid",
1483                                   params->ssid, params->ssid_len);
1484         }
1485         if (params->wpa_ie) {
1486                 wpa_hexdump(MSG_DEBUG, "   wpa_ie",
1487                             params->wpa_ie, params->wpa_ie_len);
1488                 drv->assoc_wpa_ie_len = params->wpa_ie_len;
1489                 if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
1490                         drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
1491                 os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
1492                           drv->assoc_wpa_ie_len);
1493         } else
1494                 drv->assoc_wpa_ie_len = 0;
1495
1496         wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
1497
1498         drv->ibss = params->mode == IEEE80211_MODE_IBSS;
1499         dbss->privacy = params->key_mgmt_suite &
1500                 (WPA_KEY_MGMT_IEEE8021X |
1501                  WPA_KEY_MGMT_PSK |
1502                  WPA_KEY_MGMT_WPA_NONE |
1503                  WPA_KEY_MGMT_FT_IEEE8021X |
1504                  WPA_KEY_MGMT_FT_PSK |
1505                  WPA_KEY_MGMT_IEEE8021X_SHA256 |
1506                  WPA_KEY_MGMT_PSK_SHA256);
1507         if (params->wep_key_len[params->wep_tx_keyidx])
1508                 dbss->privacy = 1;
1509
1510 #ifdef DRIVER_TEST_UNIX
1511         if (drv->test_dir && params->bssid &&
1512             params->mode != IEEE80211_MODE_IBSS) {
1513                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
1514                 drv->hostapd_addr.sun_family = AF_UNIX;
1515                 os_snprintf(drv->hostapd_addr.sun_path,
1516                             sizeof(drv->hostapd_addr.sun_path),
1517                             "%s/AP-" MACSTR,
1518                             drv->test_dir, MAC2STR(params->bssid));
1519                 drv->hostapd_addr_set = 1;
1520         }
1521 #endif /* DRIVER_TEST_UNIX */
1522
1523         if (params->mode == IEEE80211_MODE_AP) {
1524                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1525                 dbss->ssid_len = params->ssid_len;
1526                 os_memcpy(dbss->bssid, drv->own_addr, ETH_ALEN);
1527                 if (params->wpa_ie && params->wpa_ie_len) {
1528                         dbss->ie = os_malloc(params->wpa_ie_len);
1529                         if (dbss->ie) {
1530                                 os_memcpy(dbss->ie, params->wpa_ie,
1531                                           params->wpa_ie_len);
1532                                 dbss->ielen = params->wpa_ie_len;
1533                         }
1534                 }
1535         } else if (drv->test_socket >= 0 &&
1536                    (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
1537                 char cmd[200], *pos, *end;
1538                 int ret;
1539                 end = cmd + sizeof(cmd);
1540                 pos = cmd;
1541                 ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
1542                                   MAC2STR(drv->own_addr));
1543                 if (ret >= 0 && ret < end - pos)
1544                         pos += ret;
1545                 pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
1546                                         params->ssid_len);
1547                 ret = os_snprintf(pos, end - pos, " ");
1548                 if (ret >= 0 && ret < end - pos)
1549                         pos += ret;
1550                 pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
1551                                         params->wpa_ie_len);
1552                 end[-1] = '\0';
1553 #ifdef DRIVER_TEST_UNIX
1554                 if (drv->hostapd_addr_set &&
1555                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1556                            (struct sockaddr *) &drv->hostapd_addr,
1557                            sizeof(drv->hostapd_addr)) < 0) {
1558                         perror("sendto(test_socket)");
1559                         return -1;
1560                 }
1561 #endif /* DRIVER_TEST_UNIX */
1562                 if (drv->hostapd_addr_udp_set &&
1563                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1564                            (struct sockaddr *) &drv->hostapd_addr_udp,
1565                            sizeof(drv->hostapd_addr_udp)) < 0) {
1566                         perror("sendto(test_socket)");
1567                         return -1;
1568                 }
1569
1570                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1571                 dbss->ssid_len = params->ssid_len;
1572         } else {
1573                 drv->associated = 1;
1574                 if (params->mode == IEEE80211_MODE_IBSS) {
1575                         os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1576                         dbss->ssid_len = params->ssid_len;
1577                         if (params->bssid)
1578                                 os_memcpy(dbss->bssid, params->bssid,
1579                                           ETH_ALEN);
1580                         else {
1581                                 os_get_random(dbss->bssid, ETH_ALEN);
1582                                 dbss->bssid[0] &= ~0x01;
1583                                 dbss->bssid[0] |= 0x02;
1584                         }
1585                 }
1586                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1587         }
1588
1589         return 0;
1590 }
1591
1592
1593 static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
1594 {
1595         struct test_driver_bss *dbss = priv;
1596         os_memcpy(bssid, dbss->bssid, ETH_ALEN);
1597         return 0;
1598 }
1599
1600
1601 static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
1602 {
1603         struct test_driver_bss *dbss = priv;
1604         os_memcpy(ssid, dbss->ssid, 32);
1605         return dbss->ssid_len;
1606 }
1607
1608
1609 static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
1610 {
1611 #ifdef DRIVER_TEST_UNIX
1612         if (drv->test_socket >= 0 &&
1613             sendto(drv->test_socket, "DISASSOC", 8, 0,
1614                    (struct sockaddr *) &drv->hostapd_addr,
1615                    sizeof(drv->hostapd_addr)) < 0) {
1616                 perror("sendto(test_socket)");
1617                 return -1;
1618         }
1619 #endif /* DRIVER_TEST_UNIX */
1620         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1621             sendto(drv->test_socket, "DISASSOC", 8, 0,
1622                    (struct sockaddr *) &drv->hostapd_addr_udp,
1623                    sizeof(drv->hostapd_addr_udp)) < 0) {
1624                 perror("sendto(test_socket)");
1625                 return -1;
1626         }
1627         return 0;
1628 }
1629
1630
1631 static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
1632                                           int reason_code)
1633 {
1634         struct test_driver_bss *dbss = priv;
1635         struct wpa_driver_test_data *drv = dbss->drv;
1636         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1637                    __func__, MAC2STR(addr), reason_code);
1638         os_memset(dbss->bssid, 0, ETH_ALEN);
1639         drv->associated = 0;
1640         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1641         return wpa_driver_test_send_disassoc(drv);
1642 }
1643
1644
1645 static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
1646                                         int reason_code)
1647 {
1648         struct test_driver_bss *dbss = priv;
1649         struct wpa_driver_test_data *drv = dbss->drv;
1650         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1651                    __func__, MAC2STR(addr), reason_code);
1652         os_memset(dbss->bssid, 0, ETH_ALEN);
1653         drv->associated = 0;
1654         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1655         return wpa_driver_test_send_disassoc(drv);
1656 }
1657
1658
1659 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
1660 {
1661         const u8 *end, *pos;
1662
1663         pos = (const u8 *) (res + 1);
1664         end = pos + res->ie_len;
1665
1666         while (pos + 1 < end) {
1667                 if (pos + 2 + pos[1] > end)
1668                         break;
1669                 if (pos[0] == ie)
1670                         return pos;
1671                 pos += 2 + pos[1];
1672         }
1673
1674         return NULL;
1675 }
1676
1677
1678 static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
1679                                      struct sockaddr *from,
1680                                      socklen_t fromlen,
1681                                      const char *data)
1682 {
1683         struct wpa_scan_res *res;
1684         const char *pos, *pos2;
1685         size_t len;
1686         u8 *ie_pos, *ie_start, *ie_end;
1687 #define MAX_IE_LEN 1000
1688         const u8 *ds_params;
1689
1690         wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
1691         if (drv->num_scanres >= MAX_SCAN_RESULTS) {
1692                 wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
1693                            "result");
1694                 return;
1695         }
1696
1697         /* SCANRESP BSSID SSID IEs */
1698
1699         res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
1700         if (res == NULL)
1701                 return;
1702         ie_start = ie_pos = (u8 *) (res + 1);
1703         ie_end = ie_pos + MAX_IE_LEN;
1704
1705         if (hwaddr_aton(data, res->bssid)) {
1706                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
1707                 os_free(res);
1708                 return;
1709         }
1710
1711         pos = data + 17;
1712         while (*pos == ' ')
1713                 pos++;
1714         pos2 = os_strchr(pos, ' ');
1715         if (pos2 == NULL) {
1716                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
1717                            "in scanres");
1718                 os_free(res);
1719                 return;
1720         }
1721         len = (pos2 - pos) / 2;
1722         if (len > 32)
1723                 len = 32;
1724         /*
1725          * Generate SSID IE from the SSID field since this IE is not included
1726          * in the main IE field.
1727          */
1728         *ie_pos++ = WLAN_EID_SSID;
1729         *ie_pos++ = len;
1730         if (hexstr2bin(pos, ie_pos, len) < 0) {
1731                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
1732                 os_free(res);
1733                 return;
1734         }
1735         ie_pos += len;
1736
1737         pos = pos2 + 1;
1738         pos2 = os_strchr(pos, ' ');
1739         if (pos2 == NULL)
1740                 len = os_strlen(pos) / 2;
1741         else
1742                 len = (pos2 - pos) / 2;
1743         if ((int) len > ie_end - ie_pos)
1744                 len = ie_end - ie_pos;
1745         if (hexstr2bin(pos, ie_pos, len) < 0) {
1746                 wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
1747                 os_free(res);
1748                 return;
1749         }
1750         ie_pos += len;
1751         res->ie_len = ie_pos - ie_start;
1752
1753         if (pos2) {
1754                 pos = pos2 + 1;
1755                 while (*pos == ' ')
1756                         pos++;
1757                 if (os_strstr(pos, "PRIVACY"))
1758                         res->caps |= IEEE80211_CAP_PRIVACY;
1759                 if (os_strstr(pos, "IBSS"))
1760                         res->caps |= IEEE80211_CAP_IBSS;
1761         }
1762
1763         ds_params = wpa_scan_get_ie(res, WLAN_EID_DS_PARAMS);
1764         if (ds_params && ds_params[1] > 0) {
1765                 if (ds_params[2] >= 1 && ds_params[2] <= 13)
1766                         res->freq = 2407 + ds_params[2] * 5;
1767         }
1768
1769         os_free(drv->scanres[drv->num_scanres]);
1770         drv->scanres[drv->num_scanres++] = res;
1771 }
1772
1773
1774 static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
1775                                       struct sockaddr *from,
1776                                       socklen_t fromlen,
1777                                       const char *data)
1778 {
1779         struct test_driver_bss *bss;
1780
1781         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1782
1783         /* ASSOCRESP BSSID <res> */
1784         if (hwaddr_aton(data, bss->bssid)) {
1785                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
1786                            "assocresp");
1787         }
1788         if (drv->use_associnfo) {
1789                 union wpa_event_data event;
1790                 os_memset(&event, 0, sizeof(event));
1791                 event.assoc_info.req_ies = drv->assoc_wpa_ie;
1792                 event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
1793                 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
1794         }
1795         drv->associated = 1;
1796         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1797 }
1798
1799
1800 static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
1801                                      struct sockaddr *from,
1802                                      socklen_t fromlen)
1803 {
1804         drv->associated = 0;
1805         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1806 }
1807
1808
1809 static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
1810                                   struct sockaddr *from,
1811                                   socklen_t fromlen,
1812                                   const u8 *data, size_t data_len)
1813 {
1814         const u8 *src;
1815         struct test_driver_bss *bss;
1816
1817         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1818
1819         if (data_len > 14) {
1820                 /* Skip Ethernet header */
1821                 src = data + ETH_ALEN;
1822                 data += 14;
1823                 data_len -= 14;
1824         } else
1825                 src = bss->bssid;
1826
1827         drv_event_eapol_rx(drv->ctx, src, data, data_len);
1828 }
1829
1830
1831 static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
1832                                  struct sockaddr *from,
1833                                  socklen_t fromlen,
1834                                  const u8 *data, size_t data_len)
1835 {
1836         int freq = 0, own_freq;
1837         union wpa_event_data event;
1838         struct test_driver_bss *bss;
1839
1840         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1841         if (data_len > 6 && os_memcmp(data, "freq=", 5) == 0) {
1842                 size_t pos;
1843                 for (pos = 5; pos < data_len; pos++) {
1844                         if (data[pos] == ' ')
1845                                 break;
1846                 }
1847                 if (pos < data_len) {
1848                         freq = atoi((const char *) &data[5]);
1849                         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
1850                                    "freq %d MHz", bss->ifname, freq);
1851                         pos++;
1852                         data += pos;
1853                         data_len -= pos;
1854                 }
1855         }
1856
1857         if (drv->remain_on_channel_freq)
1858                 own_freq = drv->remain_on_channel_freq;
1859         else
1860                 own_freq = drv->current_freq;
1861
1862         if (freq && own_freq && freq != own_freq) {
1863                 wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
1864                            "another frequency %d MHz (own %d MHz)",
1865                            bss->ifname, freq, own_freq);
1866                 return;
1867         }
1868
1869         os_memset(&event, 0, sizeof(event));
1870         event.mlme_rx.buf = data;
1871         event.mlme_rx.len = data_len;
1872         event.mlme_rx.freq = freq;
1873         wpa_supplicant_event(drv->ctx, EVENT_MLME_RX, &event);
1874
1875         if (drv->probe_req_report && data_len >= 24) {
1876                 const struct ieee80211_mgmt *mgmt;
1877                 u16 fc;
1878
1879                 mgmt = (const struct ieee80211_mgmt *) data;
1880                 fc = le_to_host16(mgmt->frame_control);
1881                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1882                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) {
1883                         os_memset(&event, 0, sizeof(event));
1884                         event.rx_probe_req.sa = mgmt->sa;
1885                         event.rx_probe_req.ie = mgmt->u.probe_req.variable;
1886                         event.rx_probe_req.ie_len =
1887                                 data_len - (mgmt->u.probe_req.variable - data);
1888                         wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ,
1889                                              &event);
1890                 }
1891         }
1892 }
1893
1894
1895 static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
1896                                      struct sockaddr *from,
1897                                      socklen_t fromlen,
1898                                      const u8 *data, size_t data_len)
1899 {
1900         char buf[512], *pos, *end;
1901         int ret;
1902         struct test_driver_bss *bss;
1903
1904         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1905
1906         /* data: optional [ STA-addr | ' ' | IEs(hex) ] */
1907
1908         if (!drv->ibss)
1909                 return;
1910
1911         pos = buf;
1912         end = buf + sizeof(buf);
1913
1914         /* reply: SCANRESP BSSID SSID IEs */
1915         ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
1916                        MAC2STR(bss->bssid));
1917         if (ret < 0 || ret >= end - pos)
1918                 return;
1919         pos += ret;
1920         pos += wpa_snprintf_hex(pos, end - pos,
1921                                 bss->ssid, bss->ssid_len);
1922         ret = snprintf(pos, end - pos, " ");
1923         if (ret < 0 || ret >= end - pos)
1924                 return;
1925         pos += ret;
1926         pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
1927                                 drv->assoc_wpa_ie_len);
1928
1929         if (bss->privacy) {
1930                 ret = snprintf(pos, end - pos, " PRIVACY");
1931                 if (ret < 0 || ret >= end - pos)
1932                         return;
1933                 pos += ret;
1934         }
1935
1936         ret = snprintf(pos, end - pos, " IBSS");
1937         if (ret < 0 || ret >= end - pos)
1938                 return;
1939         pos += ret;
1940
1941         sendto(drv->test_socket, buf, pos - buf, 0,
1942                (struct sockaddr *) from, fromlen);
1943 }
1944
1945
1946 static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
1947                                          void *sock_ctx)
1948 {
1949         struct wpa_driver_test_data *drv = eloop_ctx;
1950         char *buf;
1951         int res;
1952         struct sockaddr_storage from;
1953         socklen_t fromlen = sizeof(from);
1954         const size_t buflen = 2000;
1955
1956         if (drv->ap) {
1957                 test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
1958                 return;
1959         }
1960
1961         buf = os_malloc(buflen);
1962         if (buf == NULL)
1963                 return;
1964         res = recvfrom(sock, buf, buflen - 1, 0,
1965                        (struct sockaddr *) &from, &fromlen);
1966         if (res < 0) {
1967                 perror("recvfrom(test_socket)");
1968                 os_free(buf);
1969                 return;
1970         }
1971         buf[res] = '\0';
1972
1973         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
1974
1975         if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
1976                 wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
1977                                          fromlen, buf + 9);
1978         } else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
1979                 wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
1980                                           fromlen, buf + 10);
1981         } else if (os_strcmp(buf, "DISASSOC") == 0) {
1982                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1983                                          fromlen);
1984         } else if (os_strcmp(buf, "DEAUTH") == 0) {
1985                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1986                                          fromlen);
1987         } else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
1988                 wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
1989                                       (const u8 *) buf + 6, res - 6);
1990         } else if (os_strncmp(buf, "MLME ", 5) == 0) {
1991                 wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
1992                                      (const u8 *) buf + 5, res - 5);
1993         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
1994                 wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
1995                                          fromlen,
1996                                          (const u8 *) buf + 5, res - 5);
1997         } else {
1998                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
1999                                   (u8 *) buf, res);
2000         }
2001         os_free(buf);
2002 }
2003
2004
2005 static void * wpa_driver_test_init2(void *ctx, const char *ifname,
2006                                     void *global_priv)
2007 {
2008         struct wpa_driver_test_data *drv;
2009         struct wpa_driver_test_global *global = global_priv;
2010         struct test_driver_bss *bss;
2011
2012         drv = test_alloc_data(ctx, ifname);
2013         if (drv == NULL)
2014                 return NULL;
2015         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
2016         drv->global = global_priv;
2017         drv->test_socket = -1;
2018
2019         /* Set dummy BSSID and SSID for testing. */
2020         bss->bssid[0] = 0x02;
2021         bss->bssid[1] = 0x00;
2022         bss->bssid[2] = 0x00;
2023         bss->bssid[3] = 0x00;
2024         bss->bssid[4] = 0x00;
2025         bss->bssid[5] = 0x01;
2026         os_memcpy(bss->ssid, "test", 5);
2027         bss->ssid_len = 4;
2028
2029         if (global->bss_add_used) {
2030                 os_memcpy(drv->own_addr, global->req_addr, ETH_ALEN);
2031                 global->bss_add_used = 0;
2032         }
2033
2034         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
2035
2036         return bss;
2037 }
2038
2039
2040 static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
2041 {
2042         if (drv->test_socket >= 0) {
2043                 eloop_unregister_read_sock(drv->test_socket);
2044                 close(drv->test_socket);
2045                 drv->test_socket = -1;
2046         }
2047
2048         if (drv->own_socket_path) {
2049                 unlink(drv->own_socket_path);
2050                 os_free(drv->own_socket_path);
2051                 drv->own_socket_path = NULL;
2052         }
2053 }
2054
2055
2056 static void wpa_driver_test_deinit(void *priv)
2057 {
2058         struct test_driver_bss *dbss = priv;
2059         struct wpa_driver_test_data *drv = dbss->drv;
2060         struct test_client_socket *cli, *prev;
2061         int i;
2062
2063         cli = drv->cli;
2064         while (cli) {
2065                 prev = cli;
2066                 cli = cli->next;
2067                 os_free(prev);
2068         }
2069
2070 #ifdef HOSTAPD
2071         /* There should be only one BSS remaining at this point. */
2072         if (dl_list_len(&drv->bss) != 1)
2073                 wpa_printf(MSG_ERROR, "%s: %u remaining BSS entries",
2074                            __func__, dl_list_len(&drv->bss));
2075 #endif /* HOSTAPD */
2076
2077         test_driver_free_bsses(drv);
2078
2079         wpa_driver_test_close_test_socket(drv);
2080         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
2081         eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
2082         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2083         os_free(drv->test_dir);
2084         for (i = 0; i < MAX_SCAN_RESULTS; i++)
2085                 os_free(drv->scanres[i]);
2086         os_free(drv->probe_req_ie);
2087         wpa_trace_remove_ref(drv, ctx, drv->ctx);
2088         os_free(drv);
2089 }
2090
2091
2092 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
2093                                   const char *dir, int ap)
2094 {
2095 #ifdef DRIVER_TEST_UNIX
2096         static unsigned int counter = 0;
2097         struct sockaddr_un addr;
2098         size_t len;
2099
2100         os_free(drv->own_socket_path);
2101         if (dir) {
2102                 len = os_strlen(dir) + 30;
2103                 drv->own_socket_path = os_malloc(len);
2104                 if (drv->own_socket_path == NULL)
2105                         return -1;
2106                 os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
2107                             dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
2108         } else {
2109                 drv->own_socket_path = os_malloc(100);
2110                 if (drv->own_socket_path == NULL)
2111                         return -1;
2112                 os_snprintf(drv->own_socket_path, 100,
2113                             "/tmp/wpa_supplicant_test-%d-%d",
2114                             getpid(), counter++);
2115         }
2116
2117         drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
2118         if (drv->test_socket < 0) {
2119                 perror("socket(PF_UNIX)");
2120                 os_free(drv->own_socket_path);
2121                 drv->own_socket_path = NULL;
2122                 return -1;
2123         }
2124
2125         os_memset(&addr, 0, sizeof(addr));
2126         addr.sun_family = AF_UNIX;
2127         os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
2128         if (bind(drv->test_socket, (struct sockaddr *) &addr,
2129                  sizeof(addr)) < 0) {
2130                 perror("bind(PF_UNIX)");
2131                 close(drv->test_socket);
2132                 unlink(drv->own_socket_path);
2133                 os_free(drv->own_socket_path);
2134                 drv->own_socket_path = NULL;
2135                 return -1;
2136         }
2137
2138         eloop_register_read_sock(drv->test_socket,
2139                                  wpa_driver_test_receive_unix, drv, NULL);
2140
2141         return 0;
2142 #else /* DRIVER_TEST_UNIX */
2143         return -1;
2144 #endif /* DRIVER_TEST_UNIX */
2145 }
2146
2147
2148 static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
2149                                       char *dst)
2150 {
2151         char *pos;
2152
2153         pos = os_strchr(dst, ':');
2154         if (pos == NULL)
2155                 return -1;
2156         *pos++ = '\0';
2157         wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
2158
2159         drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
2160         if (drv->test_socket < 0) {
2161                 perror("socket(PF_INET)");
2162                 return -1;
2163         }
2164
2165         os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
2166         drv->hostapd_addr_udp.sin_family = AF_INET;
2167 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
2168         {
2169                 int a[4];
2170                 u8 *pos;
2171                 sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
2172                 pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
2173                 *pos++ = a[0];
2174                 *pos++ = a[1];
2175                 *pos++ = a[2];
2176                 *pos++ = a[3];
2177         }
2178 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2179         inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
2180 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2181         drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
2182
2183         drv->hostapd_addr_udp_set = 1;
2184
2185         eloop_register_read_sock(drv->test_socket,
2186                                  wpa_driver_test_receive_unix, drv, NULL);
2187
2188         return 0;
2189 }
2190
2191
2192 static int wpa_driver_test_set_param(void *priv, const char *param)
2193 {
2194         struct test_driver_bss *dbss = priv;
2195         struct wpa_driver_test_data *drv = dbss->drv;
2196         const char *pos;
2197
2198         wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
2199         if (param == NULL)
2200                 return 0;
2201
2202         wpa_driver_test_close_test_socket(drv);
2203
2204 #ifdef DRIVER_TEST_UNIX
2205         pos = os_strstr(param, "test_socket=");
2206         if (pos) {
2207                 const char *pos2;
2208                 size_t len;
2209
2210                 pos += 12;
2211                 pos2 = os_strchr(pos, ' ');
2212                 if (pos2)
2213                         len = pos2 - pos;
2214                 else
2215                         len = os_strlen(pos);
2216                 if (len > sizeof(drv->hostapd_addr.sun_path))
2217                         return -1;
2218                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
2219                 drv->hostapd_addr.sun_family = AF_UNIX;
2220                 os_memcpy(drv->hostapd_addr.sun_path, pos, len);
2221                 drv->hostapd_addr_set = 1;
2222         }
2223 #endif /* DRIVER_TEST_UNIX */
2224
2225         pos = os_strstr(param, "test_dir=");
2226         if (pos) {
2227                 char *end;
2228                 os_free(drv->test_dir);
2229                 drv->test_dir = os_strdup(pos + 9);
2230                 if (drv->test_dir == NULL)
2231                         return -1;
2232                 end = os_strchr(drv->test_dir, ' ');
2233                 if (end)
2234                         *end = '\0';
2235                 if (wpa_driver_test_attach(drv, drv->test_dir, 0))
2236                         return -1;
2237         } else {
2238                 pos = os_strstr(param, "test_udp=");
2239                 if (pos) {
2240                         char *dst, *epos;
2241                         dst = os_strdup(pos + 9);
2242                         if (dst == NULL)
2243                                 return -1;
2244                         epos = os_strchr(dst, ' ');
2245                         if (epos)
2246                                 *epos = '\0';
2247                         if (wpa_driver_test_attach_udp(drv, dst))
2248                                 return -1;
2249                         os_free(dst);
2250                 } else if (wpa_driver_test_attach(drv, NULL, 0))
2251                         return -1;
2252         }
2253
2254         if (os_strstr(param, "use_associnfo=1")) {
2255                 wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
2256                 drv->use_associnfo = 1;
2257         }
2258
2259 #ifdef CONFIG_CLIENT_MLME
2260         if (os_strstr(param, "use_mlme=1")) {
2261                 wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
2262                 drv->use_mlme = 1;
2263         }
2264 #endif /* CONFIG_CLIENT_MLME */
2265
2266         return 0;
2267 }
2268
2269
2270 static const u8 * wpa_driver_test_get_mac_addr(void *priv)
2271 {
2272         struct test_driver_bss *dbss = priv;
2273         struct wpa_driver_test_data *drv = dbss->drv;
2274         wpa_printf(MSG_DEBUG, "%s", __func__);
2275         return drv->own_addr;
2276 }
2277
2278
2279 static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
2280                                       const u8 *data, size_t data_len)
2281 {
2282         struct test_driver_bss *dbss = priv;
2283         struct wpa_driver_test_data *drv = dbss->drv;
2284         char *msg;
2285         size_t msg_len;
2286         struct l2_ethhdr eth;
2287         struct sockaddr *addr;
2288         socklen_t alen;
2289 #ifdef DRIVER_TEST_UNIX
2290         struct sockaddr_un addr_un;
2291 #endif /* DRIVER_TEST_UNIX */
2292
2293         wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
2294
2295         os_memset(&eth, 0, sizeof(eth));
2296         os_memcpy(eth.h_dest, dest, ETH_ALEN);
2297         os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
2298         eth.h_proto = host_to_be16(proto);
2299
2300         msg_len = 6 + sizeof(eth) + data_len;
2301         msg = os_malloc(msg_len);
2302         if (msg == NULL)
2303                 return -1;
2304         os_memcpy(msg, "EAPOL ", 6);
2305         os_memcpy(msg + 6, &eth, sizeof(eth));
2306         os_memcpy(msg + 6 + sizeof(eth), data, data_len);
2307
2308         if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
2309             drv->test_dir == NULL) {
2310                 if (drv->hostapd_addr_udp_set) {
2311                         addr = (struct sockaddr *) &drv->hostapd_addr_udp;
2312                         alen = sizeof(drv->hostapd_addr_udp);
2313                 } else {
2314 #ifdef DRIVER_TEST_UNIX
2315                         addr = (struct sockaddr *) &drv->hostapd_addr;
2316                         alen = sizeof(drv->hostapd_addr);
2317 #else /* DRIVER_TEST_UNIX */
2318                         os_free(msg);
2319                         return -1;
2320 #endif /* DRIVER_TEST_UNIX */
2321                 }
2322         } else {
2323 #ifdef DRIVER_TEST_UNIX
2324                 struct stat st;
2325                 os_memset(&addr_un, 0, sizeof(addr_un));
2326                 addr_un.sun_family = AF_UNIX;
2327                 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2328                             "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
2329                 if (stat(addr_un.sun_path, &st) < 0) {
2330                         os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2331                                     "%s/AP-" MACSTR,
2332                                     drv->test_dir, MAC2STR(dest));
2333                 }
2334                 addr = (struct sockaddr *) &addr_un;
2335                 alen = sizeof(addr_un);
2336 #else /* DRIVER_TEST_UNIX */
2337                 os_free(msg);
2338                 return -1;
2339 #endif /* DRIVER_TEST_UNIX */
2340         }
2341
2342         if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
2343                 perror("sendmsg(test_socket)");
2344                 os_free(msg);
2345                 return -1;
2346         }
2347
2348         os_free(msg);
2349         return 0;
2350 }
2351
2352
2353 static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
2354 {
2355         struct test_driver_bss *dbss = priv;
2356         struct wpa_driver_test_data *drv = dbss->drv;
2357         os_memset(capa, 0, sizeof(*capa));
2358         capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2359                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2360                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2361                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
2362                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
2363                 WPA_DRIVER_CAPA_KEY_MGMT_FT |
2364                 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2365         capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2366                 WPA_DRIVER_CAPA_ENC_WEP104 |
2367                 WPA_DRIVER_CAPA_ENC_TKIP |
2368                 WPA_DRIVER_CAPA_ENC_CCMP;
2369         capa->auth = WPA_DRIVER_AUTH_OPEN |
2370                 WPA_DRIVER_AUTH_SHARED |
2371                 WPA_DRIVER_AUTH_LEAP;
2372         if (drv->use_mlme)
2373                 capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
2374         capa->flags |= WPA_DRIVER_FLAGS_AP;
2375         capa->max_scan_ssids = 2;
2376
2377         return 0;
2378 }
2379
2380
2381 static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
2382                                               int protect_type,
2383                                               int key_type)
2384 {
2385         wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
2386                    __func__, protect_type, key_type);
2387
2388         if (addr) {
2389                 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
2390                            __func__, MAC2STR(addr));
2391         }
2392
2393         return 0;
2394 }
2395
2396
2397 static int wpa_driver_test_set_channel(void *priv,
2398                                        enum hostapd_hw_mode phymode,
2399                                        int chan, int freq)
2400 {
2401         struct test_driver_bss *dbss = priv;
2402         struct wpa_driver_test_data *drv = dbss->drv;
2403         wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
2404                    __func__, phymode, chan, freq);
2405         drv->current_freq = freq;
2406         return 0;
2407 }
2408
2409
2410 static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
2411                                         const u8 *supp_rates,
2412                                         size_t supp_rates_len)
2413 {
2414         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2415         return 0;
2416 }
2417
2418
2419 static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
2420 {
2421         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2422         return 0;
2423 }
2424
2425
2426 static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
2427                                     size_t ssid_len)
2428 {
2429         wpa_printf(MSG_DEBUG, "%s", __func__);
2430         return 0;
2431 }
2432
2433
2434 static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
2435 {
2436         wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
2437         return 0;
2438 }
2439
2440
2441 static void * wpa_driver_test_global_init(void)
2442 {
2443         struct wpa_driver_test_global *global;
2444
2445         global = os_zalloc(sizeof(*global));
2446         return global;
2447 }
2448
2449
2450 static void wpa_driver_test_global_deinit(void *priv)
2451 {
2452         struct wpa_driver_test_global *global = priv;
2453         os_free(global);
2454 }
2455
2456
2457 static struct wpa_interface_info *
2458 wpa_driver_test_get_interfaces(void *global_priv)
2459 {
2460         /* struct wpa_driver_test_global *global = priv; */
2461         struct wpa_interface_info *iface;
2462
2463         iface = os_zalloc(sizeof(*iface));
2464         if (iface == NULL)
2465                 return iface;
2466         iface->ifname = os_strdup("sta0");
2467         iface->desc = os_strdup("test interface 0");
2468         iface->drv_name = "test";
2469         iface->next = os_zalloc(sizeof(*iface));
2470         if (iface->next) {
2471                 iface->next->ifname = os_strdup("sta1");
2472                 iface->next->desc = os_strdup("test interface 1");
2473                 iface->next->drv_name = "test";
2474         }
2475
2476         return iface;
2477 }
2478
2479
2480 static struct hostapd_hw_modes *
2481 wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
2482 {
2483         struct hostapd_hw_modes *modes;
2484         size_t i;
2485
2486         *num_modes = 3;
2487         *flags = 0;
2488         modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
2489         if (modes == NULL)
2490                 return NULL;
2491         modes[0].mode = HOSTAPD_MODE_IEEE80211G;
2492         modes[0].num_channels = 11;
2493         modes[0].num_rates = 12;
2494         modes[0].channels =
2495                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2496         modes[0].rates = os_zalloc(modes[0].num_rates * sizeof(int));
2497         if (modes[0].channels == NULL || modes[0].rates == NULL)
2498                 goto fail;
2499         for (i = 0; i < 11; i++) {
2500                 modes[0].channels[i].chan = i + 1;
2501                 modes[0].channels[i].freq = 2412 + 5 * i;
2502                 modes[0].channels[i].flag = 0;
2503         }
2504         modes[0].rates[0] = 10;
2505         modes[0].rates[1] = 20;
2506         modes[0].rates[2] = 55;
2507         modes[0].rates[3] = 110;
2508         modes[0].rates[4] = 60;
2509         modes[0].rates[5] = 90;
2510         modes[0].rates[6] = 120;
2511         modes[0].rates[7] = 180;
2512         modes[0].rates[8] = 240;
2513         modes[0].rates[9] = 360;
2514         modes[0].rates[10] = 480;
2515         modes[0].rates[11] = 540;
2516
2517         modes[1].mode = HOSTAPD_MODE_IEEE80211B;
2518         modes[1].num_channels = 11;
2519         modes[1].num_rates = 4;
2520         modes[1].channels =
2521                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2522         modes[1].rates = os_zalloc(modes[1].num_rates * sizeof(int));
2523         if (modes[1].channels == NULL || modes[1].rates == NULL)
2524                 goto fail;
2525         for (i = 0; i < 11; i++) {
2526                 modes[1].channels[i].chan = i + 1;
2527                 modes[1].channels[i].freq = 2412 + 5 * i;
2528                 modes[1].channels[i].flag = 0;
2529         }
2530         modes[1].rates[0] = 10;
2531         modes[1].rates[1] = 20;
2532         modes[1].rates[2] = 55;
2533         modes[1].rates[3] = 110;
2534
2535         modes[2].mode = HOSTAPD_MODE_IEEE80211A;
2536         modes[2].num_channels = 1;
2537         modes[2].num_rates = 8;
2538         modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2539         modes[2].rates = os_zalloc(modes[2].num_rates * sizeof(int));
2540         if (modes[2].channels == NULL || modes[2].rates == NULL)
2541                 goto fail;
2542         modes[2].channels[0].chan = 60;
2543         modes[2].channels[0].freq = 5300;
2544         modes[2].channels[0].flag = 0;
2545         modes[2].rates[0] = 60;
2546         modes[2].rates[1] = 90;
2547         modes[2].rates[2] = 120;
2548         modes[2].rates[3] = 180;
2549         modes[2].rates[4] = 240;
2550         modes[2].rates[5] = 360;
2551         modes[2].rates[6] = 480;
2552         modes[2].rates[7] = 540;
2553
2554         return modes;
2555
2556 fail:
2557         if (modes) {
2558                 for (i = 0; i < *num_modes; i++) {
2559                         os_free(modes[i].channels);
2560                         os_free(modes[i].rates);
2561                 }
2562                 os_free(modes);
2563         }
2564         return NULL;
2565 }
2566
2567
2568 static int wpa_driver_test_set_freq(void *priv,
2569                                     struct hostapd_freq_params *freq)
2570 {
2571         struct test_driver_bss *dbss = priv;
2572         struct wpa_driver_test_data *drv = dbss->drv;
2573         wpa_printf(MSG_DEBUG, "test: set_freq %u MHz", freq->freq);
2574         drv->current_freq = freq->freq;
2575         return 0;
2576 }
2577
2578
2579 static int wpa_driver_test_send_action(void *priv, unsigned int freq,
2580                                        const u8 *dst, const u8 *src,
2581                                        const u8 *bssid,
2582                                        const u8 *data, size_t data_len)
2583 {
2584         struct test_driver_bss *dbss = priv;
2585         struct wpa_driver_test_data *drv = dbss->drv;
2586         int ret = -1;
2587         u8 *buf;
2588         struct ieee80211_hdr *hdr;
2589
2590         wpa_printf(MSG_DEBUG, "test: Send Action frame");
2591
2592         if ((drv->remain_on_channel_freq &&
2593              freq != drv->remain_on_channel_freq) ||
2594             (drv->remain_on_channel_freq == 0 &&
2595              freq != (unsigned int) drv->current_freq)) {
2596                 wpa_printf(MSG_DEBUG, "test: Reject Action frame TX on "
2597                            "unexpected channel: freq=%u MHz (current_freq=%u "
2598                            "MHz, remain-on-channel freq=%u MHz)",
2599                            freq, drv->current_freq,
2600                            drv->remain_on_channel_freq);
2601                 return -1;
2602         }
2603
2604         buf = os_zalloc(24 + data_len);
2605         if (buf == NULL)
2606                 return ret;
2607         os_memcpy(buf + 24, data, data_len);
2608         hdr = (struct ieee80211_hdr *) buf;
2609         hdr->frame_control =
2610                 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
2611         os_memcpy(hdr->addr1, dst, ETH_ALEN);
2612         os_memcpy(hdr->addr2, src, ETH_ALEN);
2613         os_memcpy(hdr->addr3, bssid, ETH_ALEN);
2614
2615         ret = wpa_driver_test_send_mlme(priv, buf, 24 + data_len);
2616         os_free(buf);
2617         return ret;
2618 }
2619
2620
2621 static int wpa_driver_test_alloc_interface_addr(void *priv, u8 *addr,
2622                                                 char *ifname)
2623 {
2624         struct test_driver_bss *dbss = priv;
2625         struct wpa_driver_test_data *drv = dbss->drv;
2626
2627         if (ifname)
2628                 ifname[0] = '\0';
2629
2630         drv->alloc_iface_idx++;
2631         addr[0] = 0x02; /* locally administered */
2632         sha1_prf(drv->own_addr, ETH_ALEN, "hostapd test addr generation",
2633                  (const u8 *) &drv->alloc_iface_idx,
2634                  sizeof(drv->alloc_iface_idx),
2635                  addr + 1, ETH_ALEN - 1);
2636         return 0;
2637 }
2638
2639
2640 static void wpa_driver_test_release_interface_addr(void *priv, const u8 *addr)
2641 {
2642 }
2643
2644
2645 static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx)
2646 {
2647         struct wpa_driver_test_data *drv = eloop_ctx;
2648         union wpa_event_data data;
2649
2650         wpa_printf(MSG_DEBUG, "test: Remain-on-channel timeout");
2651
2652         os_memset(&data, 0, sizeof(data));
2653         data.remain_on_channel.freq = drv->remain_on_channel_freq;
2654         data.remain_on_channel.duration = drv->remain_on_channel_duration;
2655         wpa_supplicant_event(drv->ctx, EVENT_CANCEL_REMAIN_ON_CHANNEL, &data);
2656
2657         drv->remain_on_channel_freq = 0;
2658 }
2659
2660
2661 static int wpa_driver_test_remain_on_channel(void *priv, unsigned int freq,
2662                                              unsigned int duration)
2663 {
2664         struct test_driver_bss *dbss = priv;
2665         struct wpa_driver_test_data *drv = dbss->drv;
2666         union wpa_event_data data;
2667
2668         wpa_printf(MSG_DEBUG, "%s(freq=%u, duration=%u)",
2669                    __func__, freq, duration);
2670         if (drv->remain_on_channel_freq &&
2671             drv->remain_on_channel_freq != freq) {
2672                 wpa_printf(MSG_DEBUG, "test: Refuse concurrent "
2673                            "remain_on_channel request");
2674                 return -1;
2675         }
2676
2677         drv->remain_on_channel_freq = freq;
2678         drv->remain_on_channel_duration = duration;
2679         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2680         eloop_register_timeout(duration / 1000, (duration % 1000) * 1000,
2681                                test_remain_on_channel_timeout, drv, NULL);
2682
2683         os_memset(&data, 0, sizeof(data));
2684         data.remain_on_channel.freq = freq;
2685         data.remain_on_channel.duration = duration;
2686         wpa_supplicant_event(drv->ctx, EVENT_REMAIN_ON_CHANNEL, &data);
2687
2688         return 0;
2689 }
2690
2691
2692 static int wpa_driver_test_cancel_remain_on_channel(void *priv)
2693 {
2694         struct test_driver_bss *dbss = priv;
2695         struct wpa_driver_test_data *drv = dbss->drv;
2696         wpa_printf(MSG_DEBUG, "%s", __func__);
2697         if (!drv->remain_on_channel_freq)
2698                 return -1;
2699         drv->remain_on_channel_freq = 0;
2700         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2701         return 0;
2702 }
2703
2704
2705 static int wpa_driver_test_probe_req_report(void *priv, int report)
2706 {
2707         struct test_driver_bss *dbss = priv;
2708         struct wpa_driver_test_data *drv = dbss->drv;
2709         wpa_printf(MSG_DEBUG, "%s(report=%d)", __func__, report);
2710         drv->probe_req_report = report;
2711         return 0;
2712 }
2713
2714
2715 const struct wpa_driver_ops wpa_driver_test_ops = {
2716         "test",
2717         "wpa_supplicant test driver",
2718         .hapd_init = test_driver_init,
2719         .hapd_deinit = wpa_driver_test_deinit,
2720         .hapd_send_eapol = test_driver_send_eapol,
2721         .send_mlme = wpa_driver_test_send_mlme,
2722         .set_generic_elem = test_driver_set_generic_elem,
2723         .sta_deauth = test_driver_sta_deauth,
2724         .sta_disassoc = test_driver_sta_disassoc,
2725         .get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
2726         .if_add = test_driver_if_add,
2727         .if_remove = test_driver_if_remove,
2728         .valid_bss_mask = test_driver_valid_bss_mask,
2729         .hapd_set_ssid = test_driver_set_ssid,
2730         .set_privacy = test_driver_set_privacy,
2731         .set_sta_vlan = test_driver_set_sta_vlan,
2732         .sta_add = test_driver_sta_add,
2733         .send_ether = test_driver_send_ether,
2734         .set_ap_wps_ie = test_driver_set_ap_wps_ie,
2735         .get_bssid = wpa_driver_test_get_bssid,
2736         .get_ssid = wpa_driver_test_get_ssid,
2737         .set_key = wpa_driver_test_set_key,
2738         .deinit = wpa_driver_test_deinit,
2739         .set_param = wpa_driver_test_set_param,
2740         .deauthenticate = wpa_driver_test_deauthenticate,
2741         .disassociate = wpa_driver_test_disassociate,
2742         .associate = wpa_driver_test_associate,
2743         .get_capa = wpa_driver_test_get_capa,
2744         .get_mac_addr = wpa_driver_test_get_mac_addr,
2745         .send_eapol = wpa_driver_test_send_eapol,
2746         .mlme_setprotection = wpa_driver_test_mlme_setprotection,
2747         .set_channel = wpa_driver_test_set_channel,
2748         .set_ssid = wpa_driver_test_set_ssid,
2749         .set_bssid = wpa_driver_test_set_bssid,
2750         .mlme_add_sta = wpa_driver_test_mlme_add_sta,
2751         .mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
2752         .get_scan_results2 = wpa_driver_test_get_scan_results2,
2753         .global_init = wpa_driver_test_global_init,
2754         .global_deinit = wpa_driver_test_global_deinit,
2755         .init2 = wpa_driver_test_init2,
2756         .get_interfaces = wpa_driver_test_get_interfaces,
2757         .scan2 = wpa_driver_test_scan,
2758         .set_freq = wpa_driver_test_set_freq,
2759         .send_action = wpa_driver_test_send_action,
2760         .alloc_interface_addr = wpa_driver_test_alloc_interface_addr,
2761         .release_interface_addr = wpa_driver_test_release_interface_addr,
2762         .remain_on_channel = wpa_driver_test_remain_on_channel,
2763         .cancel_remain_on_channel = wpa_driver_test_cancel_remain_on_channel,
2764         .probe_req_report = wpa_driver_test_probe_req_report,
2765 };