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