www.project-moonshot.org Git - mech_eap.orig/blob - src/drivers/driver_test.c

   1 /*
   2  * Testing driver interface for a simulated network driver
   3  * Copyright (c) 2004-2010, Jouni Malinen <j@w1.fi>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8  *
   9  * Alternatively, this software may be distributed under the terms of BSD
  10  * license.
  11  *
  12  * See README and COPYING for more details.
  13  */
  14
  15 /* Make sure we get winsock2.h for Windows build to get sockaddr_storage */
  16 #include "build_config.h"
  17 #ifdef CONFIG_NATIVE_WINDOWS
  18 #include <winsock2.h>
  19 #endif /* CONFIG_NATIVE_WINDOWS */
  20
  21 #include "utils/includes.h"
  22
  23 #ifndef CONFIG_NATIVE_WINDOWS
  24 #include <sys/un.h>
  25 #include <dirent.h>
  26 #include <sys/stat.h>
  27 #define DRIVER_TEST_UNIX
  28 #endif /* CONFIG_NATIVE_WINDOWS */
  29
  30 #include "utils/common.h"
  31 #include "utils/eloop.h"
  32 #include "utils/list.h"
  33 #include "utils/trace.h"
  34 #include "common/ieee802_11_defs.h"
  35 #include "crypto/sha1.h"
  36 #include "l2_packet/l2_packet.h"
  37 #include "driver.h"
  38
  39
  40 struct test_client_socket {
  41         struct test_client_socket *next;
  42         u8 addr[ETH_ALEN];
  43         struct sockaddr_un un;
  44         socklen_t unlen;
  45         struct test_driver_bss *bss;
  46 };
  47
  48 struct test_driver_bss {
  49         struct wpa_driver_test_data *drv;
  50         struct dl_list list;
  51         void *bss_ctx;
  52         char ifname[IFNAMSIZ];
  53         u8 bssid[ETH_ALEN];
  54         u8 *ie;
  55         size_t ielen;
  56         u8 *wps_beacon_ie;
  57         size_t wps_beacon_ie_len;
  58         u8 *wps_probe_resp_ie;
  59         size_t wps_probe_resp_ie_len;
  60         u8 ssid[32];
  61         size_t ssid_len;
  62         int privacy;
  63 };
  64
  65 struct wpa_driver_test_global {
  66         int bss_add_used;
  67         u8 req_addr[ETH_ALEN];
  68 };
  69
  70 struct wpa_driver_test_data {
  71         struct wpa_driver_test_global *global;
  72         void *ctx;
  73         WPA_TRACE_REF(ctx);
  74         u8 own_addr[ETH_ALEN];
  75         int test_socket;
  76 #ifdef DRIVER_TEST_UNIX
  77         struct sockaddr_un hostapd_addr;
  78 #endif /* DRIVER_TEST_UNIX */
  79         int hostapd_addr_set;
  80         struct sockaddr_in hostapd_addr_udp;
  81         int hostapd_addr_udp_set;
  82         char *own_socket_path;
  83         char *test_dir;
  84 #define MAX_SCAN_RESULTS 30
  85         struct wpa_scan_res *scanres[MAX_SCAN_RESULTS];
  86         size_t num_scanres;
  87         int use_associnfo;
  88         u8 assoc_wpa_ie[80];
  89         size_t assoc_wpa_ie_len;
  90         int use_mlme;
  91         int associated;
  92         u8 *probe_req_ie;
  93         size_t probe_req_ie_len;
  94         u8 probe_req_ssid[32];
  95         size_t probe_req_ssid_len;
  96         int ibss;
  97         int ap;
  98
  99         struct test_client_socket *cli;
 100         struct dl_list bss;
 101         int udp_port;
 102
 103         int alloc_iface_idx;
 104
 105         int probe_req_report;
 106         unsigned int remain_on_channel_freq;
 107         unsigned int remain_on_channel_duration;
 108
 109         int current_freq;
 110 };
 111
 112
 113 static void wpa_driver_test_deinit(void *priv);
 114 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
 115                                   const char *dir, int ap);
 116 static void wpa_driver_test_close_test_socket(
 117         struct wpa_driver_test_data *drv);
 118 static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx);
 119
 120
 121 static void test_driver_free_bss(struct test_driver_bss *bss)
 122 {
 123         os_free(bss->ie);
 124         os_free(bss->wps_beacon_ie);
 125         os_free(bss->wps_probe_resp_ie);
 126         os_free(bss);
 127 }
 128
 129
 130 static void test_driver_free_bsses(struct wpa_driver_test_data *drv)
 131 {
 132         struct test_driver_bss *bss, *tmp;
 133
 134         dl_list_for_each_safe(bss, tmp, &drv->bss, struct test_driver_bss,
 135                               list) {
 136                 dl_list_del(&bss->list);
 137                 test_driver_free_bss(bss);
 138         }
 139 }
 140
 141
 142 static struct test_client_socket *
 143 test_driver_get_cli(struct wpa_driver_test_data *drv, struct sockaddr_un *from,
 144                     socklen_t fromlen)
 145 {
 146         struct test_client_socket *cli = drv->cli;
 147
 148         while (cli) {
 149                 if (cli->unlen == fromlen &&
 150                     strncmp(cli->un.sun_path, from->sun_path,
 151                             fromlen - sizeof(cli->un.sun_family)) == 0)
 152                         return cli;
 153                 cli = cli->next;
 154         }
 155
 156         return NULL;
 157 }
 158
 159
 160 static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
 161                                   size_t data_len, int encrypt,
 162                                   const u8 *own_addr)
 163 {
 164         struct test_driver_bss *dbss = priv;
 165         struct wpa_driver_test_data *drv = dbss->drv;
 166         struct test_client_socket *cli;
 167         struct msghdr msg;
 168         struct iovec io[3];
 169         struct l2_ethhdr eth;
 170
 171         if (drv->test_socket < 0)
 172                 return -1;
 173
 174         cli = drv->cli;
 175         while (cli) {
 176                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 177                         break;
 178                 cli = cli->next;
 179         }
 180
 181         if (!cli) {
 182                 wpa_printf(MSG_DEBUG, "%s: no destination client entry",
 183                            __func__);
 184                 return -1;
 185         }
 186
 187         memcpy(eth.h_dest, addr, ETH_ALEN);
 188         memcpy(eth.h_source, own_addr, ETH_ALEN);
 189         eth.h_proto = host_to_be16(ETH_P_EAPOL);
 190
 191         io[0].iov_base = "EAPOL ";
 192         io[0].iov_len = 6;
 193         io[1].iov_base = &eth;
 194         io[1].iov_len = sizeof(eth);
 195         io[2].iov_base = (u8 *) data;
 196         io[2].iov_len = data_len;
 197
 198         memset(&msg, 0, sizeof(msg));
 199         msg.msg_iov = io;
 200         msg.msg_iovlen = 3;
 201         msg.msg_name = &cli->un;
 202         msg.msg_namelen = cli->unlen;
 203         return sendmsg(drv->test_socket, &msg, 0);
 204 }
 205
 206
 207 static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
 208                                   u16 proto, const u8 *data, size_t data_len)
 209 {
 210         struct test_driver_bss *dbss = priv;
 211         struct wpa_driver_test_data *drv = dbss->drv;
 212         struct msghdr msg;
 213         struct iovec io[3];
 214         struct l2_ethhdr eth;
 215         char desttxt[30];
 216         struct sockaddr_un addr;
 217         struct dirent *dent;
 218         DIR *dir;
 219         int ret = 0, broadcast = 0, count = 0;
 220
 221         if (drv->test_socket < 0 || drv->test_dir == NULL) {
 222                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
 223                            "test_dir=%p)",
 224                            __func__, drv->test_socket, drv->test_dir);
 225                 return -1;
 226         }
 227
 228         broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 229         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
 230
 231         memcpy(eth.h_dest, dst, ETH_ALEN);
 232         memcpy(eth.h_source, src, ETH_ALEN);
 233         eth.h_proto = host_to_be16(proto);
 234
 235         io[0].iov_base = "ETHER ";
 236         io[0].iov_len = 6;
 237         io[1].iov_base = &eth;
 238         io[1].iov_len = sizeof(eth);
 239         io[2].iov_base = (u8 *) data;
 240         io[2].iov_len = data_len;
 241
 242         memset(&msg, 0, sizeof(msg));
 243         msg.msg_iov = io;
 244         msg.msg_iovlen = 3;
 245
 246         dir = opendir(drv->test_dir);
 247         if (dir == NULL) {
 248                 perror("test_driver: opendir");
 249                 return -1;
 250         }
 251         while ((dent = readdir(dir))) {
 252 #ifdef _DIRENT_HAVE_D_TYPE
 253                 /* Skip the file if it is not a socket. Also accept
 254                  * DT_UNKNOWN (0) in case the C library or underlying file
 255                  * system does not support d_type. */
 256                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 257                         continue;
 258 #endif /* _DIRENT_HAVE_D_TYPE */
 259                 if (strcmp(dent->d_name, ".") == 0 ||
 260                     strcmp(dent->d_name, "..") == 0)
 261                         continue;
 262
 263                 memset(&addr, 0, sizeof(addr));
 264                 addr.sun_family = AF_UNIX;
 265                 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 266                          drv->test_dir, dent->d_name);
 267
 268                 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
 269                         continue;
 270                 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
 271                         continue;
 272
 273                 wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
 274                            __func__, dent->d_name);
 275
 276                 msg.msg_name = &addr;
 277                 msg.msg_namelen = sizeof(addr);
 278                 ret = sendmsg(drv->test_socket, &msg, 0);
 279                 if (ret < 0)
 280                         perror("driver_test: sendmsg");
 281                 count++;
 282         }
 283         closedir(dir);
 284
 285         if (!broadcast && count == 0) {
 286                 wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
 287                            __func__, MAC2STR(dst));
 288                 return -1;
 289         }
 290
 291         return ret;
 292 }
 293
 294
 295 static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
 296                                      size_t data_len)
 297 {
 298         struct test_driver_bss *dbss = priv;
 299         struct wpa_driver_test_data *drv = dbss->drv;
 300         struct msghdr msg;
 301         struct iovec io[2];
 302         const u8 *dest;
 303         struct sockaddr_un addr;
 304         struct dirent *dent;
 305         DIR *dir;
 306         int broadcast;
 307         int ret = 0;
 308         struct ieee80211_hdr *hdr;
 309         u16 fc;
 310         char cmd[50];
 311         int freq;
 312 #ifdef HOSTAPD
 313         char desttxt[30];
 314 #endif /* HOSTAPD */
 315         union wpa_event_data event;
 316
 317         wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
 318         if (drv->test_socket < 0 || data_len < 10) {
 319                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
 320                            " test_dir=%p)",
 321                            __func__, drv->test_socket,
 322                            (unsigned long) data_len,
 323                            drv->test_dir);
 324                 return -1;
 325         }
 326
 327         dest = data + 4;
 328         broadcast = os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 329
 330 #ifdef HOSTAPD
 331         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
 332 #endif /* HOSTAPD */
 333
 334         if (drv->remain_on_channel_freq)
 335                 freq = drv->remain_on_channel_freq;
 336         else
 337                 freq = drv->current_freq;
 338         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME TX on freq %d MHz",
 339                    dbss->ifname, freq);
 340         os_snprintf(cmd, sizeof(cmd), "MLME freq=%d ", freq);
 341         io[0].iov_base = cmd;
 342         io[0].iov_len = os_strlen(cmd);
 343         io[1].iov_base = (void *) data;
 344         io[1].iov_len = data_len;
 345
 346         os_memset(&msg, 0, sizeof(msg));
 347         msg.msg_iov = io;
 348         msg.msg_iovlen = 2;
 349
 350 #ifdef HOSTAPD
 351         if (drv->test_dir == NULL) {
 352                 wpa_printf(MSG_DEBUG, "%s: test_dir == NULL", __func__);
 353                 return -1;
 354         }
 355
 356         dir = opendir(drv->test_dir);
 357         if (dir == NULL) {
 358                 perror("test_driver: opendir");
 359                 return -1;
 360         }
 361         while ((dent = readdir(dir))) {
 362 #ifdef _DIRENT_HAVE_D_TYPE
 363                 /* Skip the file if it is not a socket. Also accept
 364                  * DT_UNKNOWN (0) in case the C library or underlying file
 365                  * system does not support d_type. */
 366                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 367                         continue;
 368 #endif /* _DIRENT_HAVE_D_TYPE */
 369                 if (os_strcmp(dent->d_name, ".") == 0 ||
 370                     os_strcmp(dent->d_name, "..") == 0)
 371                         continue;
 372
 373                 os_memset(&addr, 0, sizeof(addr));
 374                 addr.sun_family = AF_UNIX;
 375                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 376                             drv->test_dir, dent->d_name);
 377
 378                 if (os_strcmp(addr.sun_path, drv->own_socket_path) == 0)
 379                         continue;
 380                 if (!broadcast && os_strstr(dent->d_name, desttxt) == NULL)
 381                         continue;
 382
 383                 wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
 384                            __func__, dent->d_name);
 385
 386                 msg.msg_name = &addr;
 387                 msg.msg_namelen = sizeof(addr);
 388                 ret = sendmsg(drv->test_socket, &msg, 0);
 389                 if (ret < 0)
 390                         perror("driver_test: sendmsg(test_socket)");
 391         }
 392         closedir(dir);
 393 #else /* HOSTAPD */
 394
 395         if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
 396             drv->test_dir == NULL) {
 397                 if (drv->hostapd_addr_udp_set) {
 398                         msg.msg_name = &drv->hostapd_addr_udp;
 399                         msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
 400                 } else {
 401 #ifdef DRIVER_TEST_UNIX
 402                         msg.msg_name = &drv->hostapd_addr;
 403                         msg.msg_namelen = sizeof(drv->hostapd_addr);
 404 #endif /* DRIVER_TEST_UNIX */
 405                 }
 406         } else if (broadcast) {
 407                 dir = opendir(drv->test_dir);
 408                 if (dir == NULL)
 409                         return -1;
 410                 while ((dent = readdir(dir))) {
 411 #ifdef _DIRENT_HAVE_D_TYPE
 412                         /* Skip the file if it is not a socket.
 413                          * Also accept DT_UNKNOWN (0) in case
 414                          * the C library or underlying file
 415                          * system does not support d_type. */
 416                         if (dent->d_type != DT_SOCK &&
 417                             dent->d_type != DT_UNKNOWN)
 418                                 continue;
 419 #endif /* _DIRENT_HAVE_D_TYPE */
 420                         if (os_strcmp(dent->d_name, ".") == 0 ||
 421                             os_strcmp(dent->d_name, "..") == 0)
 422                                 continue;
 423                         wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
 424                                    __func__, dent->d_name);
 425                         os_memset(&addr, 0, sizeof(addr));
 426                         addr.sun_family = AF_UNIX;
 427                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 428                                     "%s/%s", drv->test_dir, dent->d_name);
 429
 430                         msg.msg_name = &addr;
 431                         msg.msg_namelen = sizeof(addr);
 432
 433                         ret = sendmsg(drv->test_socket, &msg, 0);
 434                         if (ret < 0)
 435                                 perror("driver_test: sendmsg(test_socket)");
 436                 }
 437                 closedir(dir);
 438                 return ret;
 439         } else {
 440                 struct stat st;
 441                 os_memset(&addr, 0, sizeof(addr));
 442                 addr.sun_family = AF_UNIX;
 443                 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 444                             "%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
 445                 if (stat(addr.sun_path, &st) < 0) {
 446                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 447                                     "%s/STA-" MACSTR,
 448                                     drv->test_dir, MAC2STR(dest));
 449                 }
 450                 msg.msg_name = &addr;
 451                 msg.msg_namelen = sizeof(addr);
 452         }
 453
 454         if (sendmsg(drv->test_socket, &msg, 0) < 0) {
 455                 perror("sendmsg(test_socket)");
 456                 return -1;
 457         }
 458 #endif /* HOSTAPD */
 459
 460         hdr = (struct ieee80211_hdr *) data;
 461         fc = le_to_host16(hdr->frame_control);
 462
 463         os_memset(&event, 0, sizeof(event));
 464         event.tx_status.type = WLAN_FC_GET_TYPE(fc);
 465         event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
 466         event.tx_status.dst = hdr->addr1;
 467         event.tx_status.data = data;
 468         event.tx_status.data_len = data_len;
 469         event.tx_status.ack = ret >= 0;
 470         wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
 471
 472         return ret;
 473 }
 474
 475
 476 static void test_driver_scan(struct wpa_driver_test_data *drv,
 477                              struct sockaddr_un *from, socklen_t fromlen,
 478                              char *data)
 479 {
 480         char buf[512], *pos, *end;
 481         int ret;
 482         struct test_driver_bss *bss;
 483         u8 sa[ETH_ALEN];
 484         u8 ie[512];
 485         size_t ielen;
 486         union wpa_event_data event;
 487
 488         /* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
 489
 490         wpa_printf(MSG_DEBUG, "test_driver: SCAN");
 491
 492         if (*data) {
 493                 if (*data != ' ' ||
 494                     hwaddr_aton(data + 1, sa)) {
 495                         wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
 496                                    "command format");
 497                         return;
 498                 }
 499
 500                 data += 18;
 501                 while (*data == ' ')
 502                         data++;
 503                 ielen = os_strlen(data) / 2;
 504                 if (ielen > sizeof(ie))
 505                         ielen = sizeof(ie);
 506                 if (hexstr2bin(data, ie, ielen) < 0)
 507                         ielen = 0;
 508
 509                 wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
 510                            MAC2STR(sa));
 511                 wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
 512
 513                 os_memset(&event, 0, sizeof(event));
 514                 event.rx_probe_req.sa = sa;
 515                 event.rx_probe_req.ie = ie;
 516                 event.rx_probe_req.ie_len = ielen;
 517                 wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ, &event);
 518         }
 519
 520         dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
 521                 pos = buf;
 522                 end = buf + sizeof(buf);
 523
 524                 /* reply: SCANRESP BSSID SSID IEs */
 525                 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
 526                                MAC2STR(bss->bssid));
 527                 if (ret < 0 || ret >= end - pos)
 528                         return;
 529                 pos += ret;
 530                 pos += wpa_snprintf_hex(pos, end - pos,
 531                                         bss->ssid, bss->ssid_len);
 532                 ret = snprintf(pos, end - pos, " ");
 533                 if (ret < 0 || ret >= end - pos)
 534                         return;
 535                 pos += ret;
 536                 pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
 537                 pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
 538                                         bss->wps_probe_resp_ie_len);
 539
 540                 if (bss->privacy) {
 541                         ret = snprintf(pos, end - pos, " PRIVACY");
 542                         if (ret < 0 || ret >= end - pos)
 543                                 return;
 544                         pos += ret;
 545                 }
 546
 547                 sendto(drv->test_socket, buf, pos - buf, 0,
 548                        (struct sockaddr *) from, fromlen);
 549         }
 550 }
 551
 552
 553 static void test_driver_assoc(struct wpa_driver_test_data *drv,
 554                               struct sockaddr_un *from, socklen_t fromlen,
 555                               char *data)
 556 {
 557         struct test_client_socket *cli;
 558         u8 ie[256], ssid[32];
 559         size_t ielen, ssid_len = 0;
 560         char *pos, *pos2, cmd[50];
 561         struct test_driver_bss *bss, *tmp;
 562
 563         /* data: STA-addr SSID(hex) IEs(hex) */
 564
 565         cli = os_zalloc(sizeof(*cli));
 566         if (cli == NULL)
 567                 return;
 568
 569         if (hwaddr_aton(data, cli->addr)) {
 570                 printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
 571                        data);
 572                 os_free(cli);
 573                 return;
 574         }
 575         pos = data + 17;
 576         while (*pos == ' ')
 577                 pos++;
 578         pos2 = strchr(pos, ' ');
 579         ielen = 0;
 580         if (pos2) {
 581                 ssid_len = (pos2 - pos) / 2;
 582                 if (hexstr2bin(pos, ssid, ssid_len) < 0) {
 583                         wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
 584                         os_free(cli);
 585                         return;
 586                 }
 587                 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
 588                                   ssid, ssid_len);
 589
 590                 pos = pos2 + 1;
 591                 ielen = strlen(pos) / 2;
 592                 if (ielen > sizeof(ie))
 593                         ielen = sizeof(ie);
 594                 if (hexstr2bin(pos, ie, ielen) < 0)
 595                         ielen = 0;
 596         }
 597
 598         bss = NULL;
 599         dl_list_for_each(tmp, &drv->bss, struct test_driver_bss, list) {
 600                 if (tmp->ssid_len == ssid_len &&
 601                     os_memcmp(tmp->ssid, ssid, ssid_len) == 0) {
 602                         bss = tmp;
 603                         break;
 604                 }
 605         }
 606         if (bss == NULL) {
 607                 wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
 608                            "configured BSSes", __func__);
 609                 os_free(cli);
 610                 return;
 611         }
 612
 613         cli->bss = bss;
 614         memcpy(&cli->un, from, sizeof(cli->un));
 615         cli->unlen = fromlen;
 616         cli->next = drv->cli;
 617         drv->cli = cli;
 618         wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
 619                           (const u8 *) cli->un.sun_path,
 620                           cli->unlen - sizeof(cli->un.sun_family));
 621
 622         snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
 623                  MAC2STR(bss->bssid));
 624         sendto(drv->test_socket, cmd, strlen(cmd), 0,
 625                (struct sockaddr *) from, fromlen);
 626
 627         drv_event_assoc(bss->bss_ctx, cli->addr, ie, ielen);
 628 }
 629
 630
 631 static void test_driver_disassoc(struct wpa_driver_test_data *drv,
 632                                  struct sockaddr_un *from, socklen_t fromlen)
 633 {
 634         struct test_client_socket *cli;
 635
 636         cli = test_driver_get_cli(drv, from, fromlen);
 637         if (!cli)
 638                 return;
 639
 640         drv_event_disassoc(drv->ctx, cli->addr);
 641 }
 642
 643
 644 static void test_driver_eapol(struct wpa_driver_test_data *drv,
 645                               struct sockaddr_un *from, socklen_t fromlen,
 646                               u8 *data, size_t datalen)
 647 {
 648 #ifdef HOSTAPD
 649         struct test_client_socket *cli;
 650 #endif /* HOSTAPD */
 651         const u8 *src = NULL;
 652
 653         if (datalen > 14) {
 654                 /* Skip Ethernet header */
 655                 src = data + ETH_ALEN;
 656                 wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
 657                            MACSTR " proto=%04x",
 658                            MAC2STR(data), MAC2STR(src),
 659                            WPA_GET_BE16(data + 2 * ETH_ALEN));
 660                 data += 14;
 661                 datalen -= 14;
 662         }
 663
 664 #ifdef HOSTAPD
 665         cli = test_driver_get_cli(drv, from, fromlen);
 666         if (cli) {
 667                 drv_event_eapol_rx(cli->bss->bss_ctx, cli->addr, data,
 668                                    datalen);
 669         } else {
 670                 wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
 671                            "client");
 672         }
 673 #else /* HOSTAPD */
 674         if (src)
 675                 drv_event_eapol_rx(drv->ctx, src, data, datalen);
 676 #endif /* HOSTAPD */
 677 }
 678
 679
 680 static void test_driver_ether(struct wpa_driver_test_data *drv,
 681                               struct sockaddr_un *from, socklen_t fromlen,
 682                               u8 *data, size_t datalen)
 683 {
 684         struct l2_ethhdr *eth;
 685
 686         if (datalen < sizeof(*eth))
 687                 return;
 688
 689         eth = (struct l2_ethhdr *) data;
 690         wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
 691                    MACSTR " proto=%04x",
 692                    MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
 693                    be_to_host16(eth->h_proto));
 694
 695 #ifdef CONFIG_IEEE80211R
 696         if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
 697                 union wpa_event_data ev;
 698                 os_memset(&ev, 0, sizeof(ev));
 699                 ev.ft_rrb_rx.src = eth->h_source;
 700                 ev.ft_rrb_rx.data = data + sizeof(*eth);
 701                 ev.ft_rrb_rx.data_len = datalen - sizeof(*eth);
 702         }
 703 #endif /* CONFIG_IEEE80211R */
 704 }
 705
 706
 707 static void test_driver_mlme(struct wpa_driver_test_data *drv,
 708                              struct sockaddr_un *from, socklen_t fromlen,
 709                              u8 *data, size_t datalen)
 710 {
 711         struct ieee80211_hdr *hdr;
 712         u16 fc;
 713         union wpa_event_data event;
 714         int freq = 0, own_freq;
 715         struct test_driver_bss *bss;
 716
 717         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
 718
 719         if (datalen > 6 && os_memcmp(data, "freq=", 5) == 0) {
 720                 size_t pos;
 721                 for (pos = 5; pos < datalen; pos++) {
 722                         if (data[pos] == ' ')
 723                                 break;
 724                 }
 725                 if (pos < datalen) {
 726                         freq = atoi((const char *) &data[5]);
 727                         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
 728                                    "freq %d MHz", bss->ifname, freq);
 729                         pos++;
 730                         data += pos;
 731                         datalen -= pos;
 732                 }
 733         }
 734
 735         if (drv->remain_on_channel_freq)
 736                 own_freq = drv->remain_on_channel_freq;
 737         else
 738                 own_freq = drv->current_freq;
 739
 740         if (freq && own_freq && freq != own_freq) {
 741                 wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
 742                            "another frequency %d MHz (own %d MHz)",
 743                            bss->ifname, freq, own_freq);
 744                 return;
 745         }
 746
 747         hdr = (struct ieee80211_hdr *) data;
 748
 749         if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
 750                 struct test_client_socket *cli;
 751                 cli = os_zalloc(sizeof(*cli));
 752                 if (cli == NULL)
 753                         return;
 754                 wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
 755                            MAC2STR(hdr->addr2));
 756                 memcpy(cli->addr, hdr->addr2, ETH_ALEN);
 757                 memcpy(&cli->un, from, sizeof(cli->un));
 758                 cli->unlen = fromlen;
 759                 cli->next = drv->cli;
 760                 drv->cli = cli;
 761         }
 762
 763         wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
 764                     data, datalen);
 765         fc = le_to_host16(hdr->frame_control);
 766         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
 767                 wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
 768                            __func__);
 769                 return;
 770         }
 771
 772         os_memset(&event, 0, sizeof(event));
 773         event.rx_mgmt.frame = data;
 774         event.rx_mgmt.frame_len = datalen;
 775         wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
 776 }
 777
 778
 779 static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
 780 {
 781         struct wpa_driver_test_data *drv = eloop_ctx;
 782         char buf[2000];
 783         int res;
 784         struct sockaddr_un from;
 785         socklen_t fromlen = sizeof(from);
 786
 787         res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 788                        (struct sockaddr *) &from, &fromlen);
 789         if (res < 0) {
 790                 perror("recvfrom(test_socket)");
 791                 return;
 792         }
 793         buf[res] = '\0';
 794
 795         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
 796
 797         if (strncmp(buf, "SCAN", 4) == 0) {
 798                 test_driver_scan(drv, &from, fromlen, buf + 4);
 799         } else if (strncmp(buf, "ASSOC ", 6) == 0) {
 800                 test_driver_assoc(drv, &from, fromlen, buf + 6);
 801         } else if (strcmp(buf, "DISASSOC") == 0) {
 802                 test_driver_disassoc(drv, &from, fromlen);
 803         } else if (strncmp(buf, "EAPOL ", 6) == 0) {
 804                 test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
 805                                   res - 6);
 806         } else if (strncmp(buf, "ETHER ", 6) == 0) {
 807                 test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
 808                                   res - 6);
 809         } else if (strncmp(buf, "MLME ", 5) == 0) {
 810                 test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
 811         } else {
 812                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
 813                                   (u8 *) buf, res);
 814         }
 815 }
 816
 817
 818 static int test_driver_set_generic_elem(void *priv,
 819                                         const u8 *elem, size_t elem_len)
 820 {
 821         struct test_driver_bss *bss = priv;
 822
 823         os_free(bss->ie);
 824
 825         if (elem == NULL) {
 826                 bss->ie = NULL;
 827                 bss->ielen = 0;
 828                 return 0;
 829         }
 830
 831         bss->ie = os_malloc(elem_len);
 832         if (bss->ie == NULL) {
 833                 bss->ielen = 0;
 834                 return -1;
 835         }
 836
 837         memcpy(bss->ie, elem, elem_len);
 838         bss->ielen = elem_len;
 839         return 0;
 840 }
 841
 842
 843 static int test_driver_set_ap_wps_ie(void *priv, const struct wpabuf *beacon,
 844                                      const struct wpabuf *proberesp)
 845 {
 846         struct test_driver_bss *bss = priv;
 847
 848         if (beacon == NULL)
 849                 wpa_printf(MSG_DEBUG, "test_driver: Clear Beacon WPS IE");
 850         else
 851                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Beacon WPS IE",
 852                                 beacon);
 853
 854         os_free(bss->wps_beacon_ie);
 855
 856         if (beacon == NULL) {
 857                 bss->wps_beacon_ie = NULL;
 858                 bss->wps_beacon_ie_len = 0;
 859         } else {
 860                 bss->wps_beacon_ie = os_malloc(wpabuf_len(beacon));
 861                 if (bss->wps_beacon_ie == NULL) {
 862                         bss->wps_beacon_ie_len = 0;
 863                         return -1;
 864                 }
 865
 866                 os_memcpy(bss->wps_beacon_ie, wpabuf_head(beacon),
 867                           wpabuf_len(beacon));
 868                 bss->wps_beacon_ie_len = wpabuf_len(beacon);
 869         }
 870
 871         if (proberesp == NULL)
 872                 wpa_printf(MSG_DEBUG, "test_driver: Clear Probe Response WPS "
 873                            "IE");
 874         else
 875                 wpa_hexdump_buf(MSG_DEBUG, "test_driver: Probe Response WPS "
 876                                 "IE", proberesp);
 877
 878         os_free(bss->wps_probe_resp_ie);
 879
 880         if (proberesp == NULL) {
 881                 bss->wps_probe_resp_ie = NULL;
 882                 bss->wps_probe_resp_ie_len = 0;
 883         } else {
 884                 bss->wps_probe_resp_ie = os_malloc(wpabuf_len(proberesp));
 885                 if (bss->wps_probe_resp_ie == NULL) {
 886                         bss->wps_probe_resp_ie_len = 0;
 887                         return -1;
 888                 }
 889
 890                 os_memcpy(bss->wps_probe_resp_ie, wpabuf_head(proberesp),
 891                           wpabuf_len(proberesp));
 892                 bss->wps_probe_resp_ie_len = wpabuf_len(proberesp);
 893         }
 894
 895         return 0;
 896 }
 897
 898
 899 static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
 900                                   const u8 *addr, int reason)
 901 {
 902         struct test_driver_bss *dbss = priv;
 903         struct wpa_driver_test_data *drv = dbss->drv;
 904         struct test_client_socket *cli;
 905
 906         if (drv->test_socket < 0)
 907                 return -1;
 908
 909         cli = drv->cli;
 910         while (cli) {
 911                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 912                         break;
 913                 cli = cli->next;
 914         }
 915
 916         if (!cli)
 917                 return -1;
 918
 919         return sendto(drv->test_socket, "DEAUTH", 6, 0,
 920                       (struct sockaddr *) &cli->un, cli->unlen);
 921 }
 922
 923
 924 static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
 925                                     const u8 *addr, int reason)
 926 {
 927         struct test_driver_bss *dbss = priv;
 928         struct wpa_driver_test_data *drv = dbss->drv;
 929         struct test_client_socket *cli;
 930
 931         if (drv->test_socket < 0)
 932                 return -1;
 933
 934         cli = drv->cli;
 935         while (cli) {
 936                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 937                         break;
 938                 cli = cli->next;
 939         }
 940
 941         if (!cli)
 942                 return -1;
 943
 944         return sendto(drv->test_socket, "DISASSOC", 8, 0,
 945                       (struct sockaddr *) &cli->un, cli->unlen);
 946 }
 947
 948
 949 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid,
 950                                void *bss_ctx, void **drv_priv)
 951 {
 952         struct test_driver_bss *dbss = priv;
 953         struct wpa_driver_test_data *drv = dbss->drv;
 954         struct test_driver_bss *bss;
 955
 956         wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
 957                    __func__, ifname, MAC2STR(bssid));
 958
 959         bss = os_zalloc(sizeof(*bss));
 960         if (bss == NULL)
 961                 return -1;
 962
 963         bss->bss_ctx = bss_ctx;
 964         bss->drv = drv;
 965         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
 966         os_memcpy(bss->bssid, bssid, ETH_ALEN);
 967
 968         dl_list_add(&drv->bss, &bss->list);
 969         if (drv->global) {
 970                 drv->global->bss_add_used = 1;
 971                 os_memcpy(drv->global->req_addr, bssid, ETH_ALEN);
 972         }
 973
 974         if (drv_priv)
 975                 *drv_priv = bss;
 976
 977         return 0;
 978 }
 979
 980
 981 static int test_driver_bss_remove(void *priv, const char *ifname)
 982 {
 983         struct test_driver_bss *dbss = priv;
 984         struct wpa_driver_test_data *drv = dbss->drv;
 985         struct test_driver_bss *bss;
 986         struct test_client_socket *cli, *prev_c;
 987
 988         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
 989
 990         dl_list_for_each(bss, &drv->bss, struct test_driver_bss, list) {
 991                 if (strcmp(bss->ifname, ifname) != 0)
 992                         continue;
 993
 994                 for (prev_c = NULL, cli = drv->cli; cli;
 995                      prev_c = cli, cli = cli->next) {
 996                         if (cli->bss != bss)
 997                                 continue;
 998                         if (prev_c)
 999                                 prev_c->next = cli->next;
1000                         else
1001                                 drv->cli = cli->next;
1002                         os_free(cli);
1003                         break;
1004                 }
1005
1006                 dl_list_del(&bss->list);
1007                 test_driver_free_bss(bss);
1008                 return 0;
1009         }
1010
1011         return -1;
1012 }
1013
1014
1015 static int test_driver_if_add(void *priv, enum wpa_driver_if_type type,
1016                               const char *ifname, const u8 *addr,
1017                               void *bss_ctx, void **drv_priv)
1018 {
1019         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s bss_ctx=%p)",
1020                    __func__, type, ifname, bss_ctx);
1021         if (type == WPA_IF_AP_BSS)
1022                 return test_driver_bss_add(priv, ifname, addr, bss_ctx,
1023                                            drv_priv);
1024         return 0;
1025 }
1026
1027
1028 static int test_driver_if_remove(void *priv, enum wpa_driver_if_type type,
1029                                  const char *ifname)
1030 {
1031         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1032         if (type == WPA_IF_AP_BSS)
1033                 return test_driver_bss_remove(priv, ifname);
1034         return 0;
1035 }
1036
1037
1038 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1039                                       const u8 *mask)
1040 {
1041         return 0;
1042 }
1043
1044
1045 static int test_driver_set_ssid(void *priv, const u8 *buf, int len)
1046 {
1047         struct test_driver_bss *bss = priv;
1048
1049         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, bss->ifname);
1050         wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1051
1052         if (len < 0 || (size_t) len > sizeof(bss->ssid))
1053                 return -1;
1054
1055         os_memcpy(bss->ssid, buf, len);
1056         bss->ssid_len = len;
1057
1058         return 0;
1059 }
1060
1061
1062 static int test_driver_set_privacy(void *priv, int enabled)
1063 {
1064         struct test_driver_bss *dbss = priv;
1065
1066         wpa_printf(MSG_DEBUG, "%s(enabled=%d)",  __func__, enabled);
1067         dbss->privacy = enabled;
1068
1069         return 0;
1070 }
1071
1072
1073 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1074                                     const char *ifname, int vlan_id)
1075 {
1076         wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1077                    __func__, MAC2STR(addr), ifname, vlan_id);
1078         return 0;
1079 }
1080
1081
1082 static int test_driver_sta_add(void *priv,
1083                                struct hostapd_sta_add_params *params)
1084 {
1085         struct test_driver_bss *bss = priv;
1086         struct wpa_driver_test_data *drv = bss->drv;
1087         struct test_client_socket *cli;
1088
1089         wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1090                    "capability=0x%x listen_interval=%d)",
1091                    __func__, bss->ifname, MAC2STR(params->addr), params->aid,
1092                    params->capability, params->listen_interval);
1093         wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1094                     params->supp_rates, params->supp_rates_len);
1095
1096         cli = drv->cli;
1097         while (cli) {
1098                 if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
1099                         break;
1100                 cli = cli->next;
1101         }
1102         if (!cli) {
1103                 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1104                            __func__);
1105                 return -1;
1106         }
1107
1108         cli->bss = bss;
1109
1110         return 0;
1111 }
1112
1113
1114 static struct wpa_driver_test_data * test_alloc_data(void *ctx,
1115                                                      const char *ifname)
1116 {
1117         struct wpa_driver_test_data *drv;
1118         struct test_driver_bss *bss;
1119
1120         drv = os_zalloc(sizeof(struct wpa_driver_test_data));
1121         if (drv == NULL) {
1122                 wpa_printf(MSG_ERROR, "Could not allocate memory for test "
1123                            "driver data");
1124                 return NULL;
1125         }
1126
1127         bss = os_zalloc(sizeof(struct test_driver_bss));
1128         if (bss == NULL) {
1129                 os_free(drv);
1130                 return NULL;
1131         }
1132
1133         drv->ctx = ctx;
1134         wpa_trace_add_ref(drv, ctx, ctx);
1135         dl_list_init(&drv->bss);
1136         dl_list_add(&drv->bss, &bss->list);
1137         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
1138         bss->bss_ctx = ctx;
1139         bss->drv = drv;
1140
1141         /* Generate a MAC address to help testing with multiple STAs */
1142         drv->own_addr[0] = 0x02; /* locally administered */
1143         sha1_prf((const u8 *) ifname, os_strlen(ifname),
1144                  "test mac addr generation",
1145                  NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
1146
1147         return drv;
1148 }
1149
1150
1151 static void * test_driver_init(struct hostapd_data *hapd,
1152                                struct wpa_init_params *params)
1153 {
1154         struct wpa_driver_test_data *drv;
1155         struct sockaddr_un addr_un;
1156         struct sockaddr_in addr_in;
1157         struct sockaddr *addr;
1158         socklen_t alen;
1159         struct test_driver_bss *bss;
1160
1161         drv = test_alloc_data(hapd, params->ifname);
1162         if (drv == NULL)
1163                 return NULL;
1164         drv->ap = 1;
1165         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1166
1167         bss->bss_ctx = hapd;
1168         os_memcpy(bss->bssid, drv->own_addr, ETH_ALEN);
1169         os_memcpy(params->own_addr, drv->own_addr, ETH_ALEN);
1170
1171         if (params->test_socket) {
1172                 if (os_strlen(params->test_socket) >=
1173                     sizeof(addr_un.sun_path)) {
1174                         printf("Too long test_socket path\n");
1175                         wpa_driver_test_deinit(bss);
1176                         return NULL;
1177                 }
1178                 if (strncmp(params->test_socket, "DIR:", 4) == 0) {
1179                         size_t len = strlen(params->test_socket) + 30;
1180                         drv->test_dir = os_strdup(params->test_socket + 4);
1181                         drv->own_socket_path = os_malloc(len);
1182                         if (drv->own_socket_path) {
1183                                 snprintf(drv->own_socket_path, len,
1184                                          "%s/AP-" MACSTR,
1185                                          params->test_socket + 4,
1186                                          MAC2STR(params->own_addr));
1187                         }
1188                 } else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
1189                         drv->udp_port = atoi(params->test_socket + 4);
1190                 } else {
1191                         drv->own_socket_path = os_strdup(params->test_socket);
1192                 }
1193                 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1194                         wpa_driver_test_deinit(bss);
1195                         return NULL;
1196                 }
1197
1198                 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1199                                           SOCK_DGRAM, 0);
1200                 if (drv->test_socket < 0) {
1201                         perror("socket");
1202                         wpa_driver_test_deinit(bss);
1203                         return NULL;
1204                 }
1205
1206                 if (drv->udp_port) {
1207                         os_memset(&addr_in, 0, sizeof(addr_in));
1208                         addr_in.sin_family = AF_INET;
1209                         addr_in.sin_port = htons(drv->udp_port);
1210                         addr = (struct sockaddr *) &addr_in;
1211                         alen = sizeof(addr_in);
1212                 } else {
1213                         os_memset(&addr_un, 0, sizeof(addr_un));
1214                         addr_un.sun_family = AF_UNIX;
1215                         os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1216                                    sizeof(addr_un.sun_path));
1217                         addr = (struct sockaddr *) &addr_un;
1218                         alen = sizeof(addr_un);
1219                 }
1220                 if (bind(drv->test_socket, addr, alen) < 0) {
1221                         perror("bind(PF_UNIX)");
1222                         close(drv->test_socket);
1223                         if (drv->own_socket_path)
1224                                 unlink(drv->own_socket_path);
1225                         wpa_driver_test_deinit(bss);
1226                         return NULL;
1227                 }
1228                 eloop_register_read_sock(drv->test_socket,
1229                                          test_driver_receive_unix, drv, NULL);
1230         } else
1231                 drv->test_socket = -1;
1232
1233         return bss;
1234 }
1235
1236
1237 static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
1238 {
1239         struct wpa_driver_test_data *drv = eloop_ctx;
1240
1241 #ifdef DRIVER_TEST_UNIX
1242         if (drv->associated && drv->hostapd_addr_set) {
1243                 struct stat st;
1244                 if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
1245                         wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
1246                                    __func__, strerror(errno));
1247                         drv->associated = 0;
1248                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1249                 }
1250         }
1251 #endif /* DRIVER_TEST_UNIX */
1252
1253         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1254 }
1255
1256
1257 static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1258 {
1259         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1260         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1261 }
1262
1263
1264 #ifdef DRIVER_TEST_UNIX
1265 static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
1266                                 const char *path)
1267 {
1268         struct dirent *dent;
1269         DIR *dir;
1270         struct sockaddr_un addr;
1271         char cmd[512], *pos, *end;
1272         int ret;
1273
1274         dir = opendir(path);
1275         if (dir == NULL)
1276                 return;
1277
1278         end = cmd + sizeof(cmd);
1279         pos = cmd;
1280         ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
1281                           MAC2STR(drv->own_addr));
1282         if (ret >= 0 && ret < end - pos)
1283                 pos += ret;
1284         if (drv->probe_req_ie) {
1285                 ret = os_snprintf(pos, end - pos, " ");
1286                 if (ret >= 0 && ret < end - pos)
1287                         pos += ret;
1288                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
1289                                         drv->probe_req_ie_len);
1290         }
1291         if (drv->probe_req_ssid_len) {
1292                 /* Add SSID IE */
1293                 ret = os_snprintf(pos, end - pos, "%02x%02x",
1294                                   WLAN_EID_SSID,
1295                                   (unsigned int) drv->probe_req_ssid_len);
1296                 if (ret >= 0 && ret < end - pos)
1297                         pos += ret;
1298                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ssid,
1299                                         drv->probe_req_ssid_len);
1300         }
1301         end[-1] = '\0';
1302
1303         while ((dent = readdir(dir))) {
1304                 if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
1305                     os_strncmp(dent->d_name, "STA-", 4) != 0)
1306                         continue;
1307                 if (drv->own_socket_path) {
1308                         size_t olen, dlen;
1309                         olen = os_strlen(drv->own_socket_path);
1310                         dlen = os_strlen(dent->d_name);
1311                         if (olen >= dlen &&
1312                             os_strcmp(dent->d_name,
1313                                       drv->own_socket_path + olen - dlen) == 0)
1314                                 continue;
1315                 }
1316                 wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
1317
1318                 os_memset(&addr, 0, sizeof(addr));
1319                 addr.sun_family = AF_UNIX;
1320                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
1321                             path, dent->d_name);
1322
1323                 if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1324                            (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1325                         perror("sendto(test_socket)");
1326                 }
1327         }
1328         closedir(dir);
1329 }
1330 #endif /* DRIVER_TEST_UNIX */
1331
1332
1333 static int wpa_driver_test_scan(void *priv,
1334                                 struct wpa_driver_scan_params *params)
1335 {
1336         struct test_driver_bss *dbss = priv;
1337         struct wpa_driver_test_data *drv = dbss->drv;
1338         size_t i;
1339
1340         wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
1341
1342         os_free(drv->probe_req_ie);
1343         if (params->extra_ies) {
1344                 drv->probe_req_ie = os_malloc(params->extra_ies_len);
1345                 if (drv->probe_req_ie == NULL) {
1346                         drv->probe_req_ie_len = 0;
1347                         return -1;
1348                 }
1349                 os_memcpy(drv->probe_req_ie, params->extra_ies,
1350                           params->extra_ies_len);
1351                 drv->probe_req_ie_len = params->extra_ies_len;
1352         } else {
1353                 drv->probe_req_ie = NULL;
1354                 drv->probe_req_ie_len = 0;
1355         }
1356
1357         for (i = 0; i < params->num_ssids; i++)
1358                 wpa_hexdump(MSG_DEBUG, "Scan SSID",
1359                             params->ssids[i].ssid, params->ssids[i].ssid_len);
1360         drv->probe_req_ssid_len = 0;
1361         if (params->num_ssids) {
1362                 os_memcpy(drv->probe_req_ssid, params->ssids[0].ssid,
1363                           params->ssids[0].ssid_len);
1364                 drv->probe_req_ssid_len = params->ssids[0].ssid_len;
1365         }
1366         wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
1367                     params->extra_ies, params->extra_ies_len);
1368
1369         drv->num_scanres = 0;
1370
1371 #ifdef DRIVER_TEST_UNIX
1372         if (drv->test_socket >= 0 && drv->test_dir)
1373                 wpa_driver_scan_dir(drv, drv->test_dir);
1374
1375         if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
1376             sendto(drv->test_socket, "SCAN", 4, 0,
1377                    (struct sockaddr *) &drv->hostapd_addr,
1378                    sizeof(drv->hostapd_addr)) < 0) {
1379                 perror("sendto(test_socket)");
1380         }
1381 #endif /* DRIVER_TEST_UNIX */
1382
1383         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1384             sendto(drv->test_socket, "SCAN", 4, 0,
1385                    (struct sockaddr *) &drv->hostapd_addr_udp,
1386                    sizeof(drv->hostapd_addr_udp)) < 0) {
1387                 perror("sendto(test_socket)");
1388         }
1389
1390         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1391         eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
1392                                drv->ctx);
1393         return 0;
1394 }
1395
1396
1397 static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
1398 {
1399         struct test_driver_bss *dbss = priv;
1400         struct wpa_driver_test_data *drv = dbss->drv;
1401         struct wpa_scan_results *res;
1402         size_t i;
1403
1404         res = os_zalloc(sizeof(*res));
1405         if (res == NULL)
1406                 return NULL;
1407
1408         res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
1409         if (res->res == NULL) {
1410                 os_free(res);
1411                 return NULL;
1412         }
1413
1414         for (i = 0; i < drv->num_scanres; i++) {
1415                 struct wpa_scan_res *r;
1416                 if (drv->scanres[i] == NULL)
1417                         continue;
1418                 r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
1419                 if (r == NULL)
1420                         break;
1421                 os_memcpy(r, drv->scanres[i],
1422                           sizeof(*r) + drv->scanres[i]->ie_len);
1423                 res->res[res->num++] = r;
1424         }
1425
1426         return res;
1427 }
1428
1429
1430 static int wpa_driver_test_set_key(const char *ifname, void *priv,
1431                                    enum wpa_alg alg, const u8 *addr,
1432                                    int key_idx, int set_tx,
1433                                    const u8 *seq, size_t seq_len,
1434                                    const u8 *key, size_t key_len)
1435 {
1436         wpa_printf(MSG_DEBUG, "%s: ifname=%s priv=%p alg=%d key_idx=%d "
1437                    "set_tx=%d",
1438                    __func__, ifname, priv, alg, key_idx, set_tx);
1439         if (addr)
1440                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
1441         if (seq)
1442                 wpa_hexdump(MSG_DEBUG, "   seq", seq, seq_len);
1443         if (key)
1444                 wpa_hexdump_key(MSG_DEBUG, "   key", key, key_len);
1445         return 0;
1446 }
1447
1448
1449 static int wpa_driver_update_mode(struct wpa_driver_test_data *drv, int ap)
1450 {
1451         if (ap && !drv->ap) {
1452                 wpa_driver_test_close_test_socket(drv);
1453                 wpa_driver_test_attach(drv, drv->test_dir, 1);
1454                 drv->ap = 1;
1455         } else if (!ap && drv->ap) {
1456                 wpa_driver_test_close_test_socket(drv);
1457                 wpa_driver_test_attach(drv, drv->test_dir, 0);
1458                 drv->ap = 0;
1459         }
1460
1461         return 0;
1462 }
1463
1464
1465 static int wpa_driver_test_associate(
1466         void *priv, struct wpa_driver_associate_params *params)
1467 {
1468         struct test_driver_bss *dbss = priv;
1469         struct wpa_driver_test_data *drv = dbss->drv;
1470         wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
1471                    "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
1472                    __func__, priv, params->freq, params->pairwise_suite,
1473                    params->group_suite, params->key_mgmt_suite,
1474                    params->auth_alg, params->mode);
1475         if (params->bssid) {
1476                 wpa_printf(MSG_DEBUG, "   bssid=" MACSTR,
1477                            MAC2STR(params->bssid));
1478         }
1479         if (params->ssid) {
1480                 wpa_hexdump_ascii(MSG_DEBUG, "   ssid",
1481                                   params->ssid, params->ssid_len);
1482         }
1483         if (params->wpa_ie) {
1484                 wpa_hexdump(MSG_DEBUG, "   wpa_ie",
1485                             params->wpa_ie, params->wpa_ie_len);
1486                 drv->assoc_wpa_ie_len = params->wpa_ie_len;
1487                 if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
1488                         drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
1489                 os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
1490                           drv->assoc_wpa_ie_len);
1491         } else
1492                 drv->assoc_wpa_ie_len = 0;
1493
1494         wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
1495
1496         drv->ibss = params->mode == IEEE80211_MODE_IBSS;
1497         dbss->privacy = params->key_mgmt_suite &
1498                 (WPA_KEY_MGMT_IEEE8021X |
1499                  WPA_KEY_MGMT_PSK |
1500                  WPA_KEY_MGMT_WPA_NONE |
1501                  WPA_KEY_MGMT_FT_IEEE8021X |
1502                  WPA_KEY_MGMT_FT_PSK |
1503                  WPA_KEY_MGMT_IEEE8021X_SHA256 |
1504                  WPA_KEY_MGMT_PSK_SHA256);
1505         if (params->wep_key_len[params->wep_tx_keyidx])
1506                 dbss->privacy = 1;
1507
1508 #ifdef DRIVER_TEST_UNIX
1509         if (drv->test_dir && params->bssid &&
1510             params->mode != IEEE80211_MODE_IBSS) {
1511                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
1512                 drv->hostapd_addr.sun_family = AF_UNIX;
1513                 os_snprintf(drv->hostapd_addr.sun_path,
1514                             sizeof(drv->hostapd_addr.sun_path),
1515                             "%s/AP-" MACSTR,
1516                             drv->test_dir, MAC2STR(params->bssid));
1517                 drv->hostapd_addr_set = 1;
1518         }
1519 #endif /* DRIVER_TEST_UNIX */
1520
1521         if (params->mode == IEEE80211_MODE_AP) {
1522                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1523                 dbss->ssid_len = params->ssid_len;
1524                 os_memcpy(dbss->bssid, drv->own_addr, ETH_ALEN);
1525                 if (params->wpa_ie && params->wpa_ie_len) {
1526                         dbss->ie = os_malloc(params->wpa_ie_len);
1527                         if (dbss->ie) {
1528                                 os_memcpy(dbss->ie, params->wpa_ie,
1529                                           params->wpa_ie_len);
1530                                 dbss->ielen = params->wpa_ie_len;
1531                         }
1532                 }
1533         } else if (drv->test_socket >= 0 &&
1534                    (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
1535                 char cmd[200], *pos, *end;
1536                 int ret;
1537                 end = cmd + sizeof(cmd);
1538                 pos = cmd;
1539                 ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
1540                                   MAC2STR(drv->own_addr));
1541                 if (ret >= 0 && ret < end - pos)
1542                         pos += ret;
1543                 pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
1544                                         params->ssid_len);
1545                 ret = os_snprintf(pos, end - pos, " ");
1546                 if (ret >= 0 && ret < end - pos)
1547                         pos += ret;
1548                 pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
1549                                         params->wpa_ie_len);
1550                 end[-1] = '\0';
1551 #ifdef DRIVER_TEST_UNIX
1552                 if (drv->hostapd_addr_set &&
1553                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1554                            (struct sockaddr *) &drv->hostapd_addr,
1555                            sizeof(drv->hostapd_addr)) < 0) {
1556                         perror("sendto(test_socket)");
1557                         return -1;
1558                 }
1559 #endif /* DRIVER_TEST_UNIX */
1560                 if (drv->hostapd_addr_udp_set &&
1561                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1562                            (struct sockaddr *) &drv->hostapd_addr_udp,
1563                            sizeof(drv->hostapd_addr_udp)) < 0) {
1564                         perror("sendto(test_socket)");
1565                         return -1;
1566                 }
1567
1568                 os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1569                 dbss->ssid_len = params->ssid_len;
1570         } else {
1571                 drv->associated = 1;
1572                 if (params->mode == IEEE80211_MODE_IBSS) {
1573                         os_memcpy(dbss->ssid, params->ssid, params->ssid_len);
1574                         dbss->ssid_len = params->ssid_len;
1575                         if (params->bssid)
1576                                 os_memcpy(dbss->bssid, params->bssid,
1577                                           ETH_ALEN);
1578                         else {
1579                                 os_get_random(dbss->bssid, ETH_ALEN);
1580                                 dbss->bssid[0] &= ~0x01;
1581                                 dbss->bssid[0] |= 0x02;
1582                         }
1583                 }
1584                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1585         }
1586
1587         return 0;
1588 }
1589
1590
1591 static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
1592 {
1593         struct test_driver_bss *dbss = priv;
1594         os_memcpy(bssid, dbss->bssid, ETH_ALEN);
1595         return 0;
1596 }
1597
1598
1599 static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
1600 {
1601         struct test_driver_bss *dbss = priv;
1602         os_memcpy(ssid, dbss->ssid, 32);
1603         return dbss->ssid_len;
1604 }
1605
1606
1607 static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
1608 {
1609 #ifdef DRIVER_TEST_UNIX
1610         if (drv->test_socket >= 0 &&
1611             sendto(drv->test_socket, "DISASSOC", 8, 0,
1612                    (struct sockaddr *) &drv->hostapd_addr,
1613                    sizeof(drv->hostapd_addr)) < 0) {
1614                 perror("sendto(test_socket)");
1615                 return -1;
1616         }
1617 #endif /* DRIVER_TEST_UNIX */
1618         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1619             sendto(drv->test_socket, "DISASSOC", 8, 0,
1620                    (struct sockaddr *) &drv->hostapd_addr_udp,
1621                    sizeof(drv->hostapd_addr_udp)) < 0) {
1622                 perror("sendto(test_socket)");
1623                 return -1;
1624         }
1625         return 0;
1626 }
1627
1628
1629 static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
1630                                           int reason_code)
1631 {
1632         struct test_driver_bss *dbss = priv;
1633         struct wpa_driver_test_data *drv = dbss->drv;
1634         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1635                    __func__, MAC2STR(addr), reason_code);
1636         os_memset(dbss->bssid, 0, ETH_ALEN);
1637         drv->associated = 0;
1638         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1639         return wpa_driver_test_send_disassoc(drv);
1640 }
1641
1642
1643 static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
1644                                         int reason_code)
1645 {
1646         struct test_driver_bss *dbss = priv;
1647         struct wpa_driver_test_data *drv = dbss->drv;
1648         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1649                    __func__, MAC2STR(addr), reason_code);
1650         os_memset(dbss->bssid, 0, ETH_ALEN);
1651         drv->associated = 0;
1652         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1653         return wpa_driver_test_send_disassoc(drv);
1654 }
1655
1656
1657 static const u8 * wpa_scan_get_ie(const struct wpa_scan_res *res, u8 ie)
1658 {
1659         const u8 *end, *pos;
1660
1661         pos = (const u8 *) (res + 1);
1662         end = pos + res->ie_len;
1663
1664         while (pos + 1 < end) {
1665                 if (pos + 2 + pos[1] > end)
1666                         break;
1667                 if (pos[0] == ie)
1668                         return pos;
1669                 pos += 2 + pos[1];
1670         }
1671
1672         return NULL;
1673 }
1674
1675
1676 static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
1677                                      struct sockaddr *from,
1678                                      socklen_t fromlen,
1679                                      const char *data)
1680 {
1681         struct wpa_scan_res *res;
1682         const char *pos, *pos2;
1683         size_t len;
1684         u8 *ie_pos, *ie_start, *ie_end;
1685 #define MAX_IE_LEN 1000
1686         const u8 *ds_params;
1687
1688         wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
1689         if (drv->num_scanres >= MAX_SCAN_RESULTS) {
1690                 wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
1691                            "result");
1692                 return;
1693         }
1694
1695         /* SCANRESP BSSID SSID IEs */
1696
1697         res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
1698         if (res == NULL)
1699                 return;
1700         ie_start = ie_pos = (u8 *) (res + 1);
1701         ie_end = ie_pos + MAX_IE_LEN;
1702
1703         if (hwaddr_aton(data, res->bssid)) {
1704                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
1705                 os_free(res);
1706                 return;
1707         }
1708
1709         pos = data + 17;
1710         while (*pos == ' ')
1711                 pos++;
1712         pos2 = os_strchr(pos, ' ');
1713         if (pos2 == NULL) {
1714                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
1715                            "in scanres");
1716                 os_free(res);
1717                 return;
1718         }
1719         len = (pos2 - pos) / 2;
1720         if (len > 32)
1721                 len = 32;
1722         /*
1723          * Generate SSID IE from the SSID field since this IE is not included
1724          * in the main IE field.
1725          */
1726         *ie_pos++ = WLAN_EID_SSID;
1727         *ie_pos++ = len;
1728         if (hexstr2bin(pos, ie_pos, len) < 0) {
1729                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
1730                 os_free(res);
1731                 return;
1732         }
1733         ie_pos += len;
1734
1735         pos = pos2 + 1;
1736         pos2 = os_strchr(pos, ' ');
1737         if (pos2 == NULL)
1738                 len = os_strlen(pos) / 2;
1739         else
1740                 len = (pos2 - pos) / 2;
1741         if ((int) len > ie_end - ie_pos)
1742                 len = ie_end - ie_pos;
1743         if (hexstr2bin(pos, ie_pos, len) < 0) {
1744                 wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
1745                 os_free(res);
1746                 return;
1747         }
1748         ie_pos += len;
1749         res->ie_len = ie_pos - ie_start;
1750
1751         if (pos2) {
1752                 pos = pos2 + 1;
1753                 while (*pos == ' ')
1754                         pos++;
1755                 if (os_strstr(pos, "PRIVACY"))
1756                         res->caps |= IEEE80211_CAP_PRIVACY;
1757                 if (os_strstr(pos, "IBSS"))
1758                         res->caps |= IEEE80211_CAP_IBSS;
1759         }
1760
1761         ds_params = wpa_scan_get_ie(res, WLAN_EID_DS_PARAMS);
1762         if (ds_params && ds_params[1] > 0) {
1763                 if (ds_params[2] >= 1 && ds_params[2] <= 13)
1764                         res->freq = 2407 + ds_params[2] * 5;
1765         }
1766
1767         os_free(drv->scanres[drv->num_scanres]);
1768         drv->scanres[drv->num_scanres++] = res;
1769 }
1770
1771
1772 static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
1773                                       struct sockaddr *from,
1774                                       socklen_t fromlen,
1775                                       const char *data)
1776 {
1777         struct test_driver_bss *bss;
1778
1779         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1780
1781         /* ASSOCRESP BSSID <res> */
1782         if (hwaddr_aton(data, bss->bssid)) {
1783                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
1784                            "assocresp");
1785         }
1786         if (drv->use_associnfo) {
1787                 union wpa_event_data event;
1788                 os_memset(&event, 0, sizeof(event));
1789                 event.assoc_info.req_ies = drv->assoc_wpa_ie;
1790                 event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
1791                 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
1792         }
1793         drv->associated = 1;
1794         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1795 }
1796
1797
1798 static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
1799                                      struct sockaddr *from,
1800                                      socklen_t fromlen)
1801 {
1802         drv->associated = 0;
1803         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1804 }
1805
1806
1807 static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
1808                                   struct sockaddr *from,
1809                                   socklen_t fromlen,
1810                                   const u8 *data, size_t data_len)
1811 {
1812         const u8 *src;
1813         struct test_driver_bss *bss;
1814
1815         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1816
1817         if (data_len > 14) {
1818                 /* Skip Ethernet header */
1819                 src = data + ETH_ALEN;
1820                 data += 14;
1821                 data_len -= 14;
1822         } else
1823                 src = bss->bssid;
1824
1825         drv_event_eapol_rx(drv->ctx, src, data, data_len);
1826 }
1827
1828
1829 static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
1830                                  struct sockaddr *from,
1831                                  socklen_t fromlen,
1832                                  const u8 *data, size_t data_len)
1833 {
1834         int freq = 0, own_freq;
1835         union wpa_event_data event;
1836         struct test_driver_bss *bss;
1837
1838         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1839         if (data_len > 6 && os_memcmp(data, "freq=", 5) == 0) {
1840                 size_t pos;
1841                 for (pos = 5; pos < data_len; pos++) {
1842                         if (data[pos] == ' ')
1843                                 break;
1844                 }
1845                 if (pos < data_len) {
1846                         freq = atoi((const char *) &data[5]);
1847                         wpa_printf(MSG_DEBUG, "test_driver(%s): MLME RX on "
1848                                    "freq %d MHz", bss->ifname, freq);
1849                         pos++;
1850                         data += pos;
1851                         data_len -= pos;
1852                 }
1853         }
1854
1855         if (drv->remain_on_channel_freq)
1856                 own_freq = drv->remain_on_channel_freq;
1857         else
1858                 own_freq = drv->current_freq;
1859
1860         if (freq && own_freq && freq != own_freq) {
1861                 wpa_printf(MSG_DEBUG, "test_driver(%s): Ignore MLME RX on "
1862                            "another frequency %d MHz (own %d MHz)",
1863                            bss->ifname, freq, own_freq);
1864                 return;
1865         }
1866
1867         os_memset(&event, 0, sizeof(event));
1868         event.mlme_rx.buf = data;
1869         event.mlme_rx.len = data_len;
1870         event.mlme_rx.freq = freq;
1871         wpa_supplicant_event(drv->ctx, EVENT_MLME_RX, &event);
1872
1873         if (drv->probe_req_report && data_len >= 24) {
1874                 const struct ieee80211_mgmt *mgmt;
1875                 u16 fc;
1876
1877                 mgmt = (const struct ieee80211_mgmt *) data;
1878                 fc = le_to_host16(mgmt->frame_control);
1879                 if (WLAN_FC_GET_TYPE(fc) == WLAN_FC_TYPE_MGMT &&
1880                     WLAN_FC_GET_STYPE(fc) == WLAN_FC_STYPE_PROBE_REQ) {
1881                         os_memset(&event, 0, sizeof(event));
1882                         event.rx_probe_req.sa = mgmt->sa;
1883                         event.rx_probe_req.ie = mgmt->u.probe_req.variable;
1884                         event.rx_probe_req.ie_len =
1885                                 data_len - (mgmt->u.probe_req.variable - data);
1886                         wpa_supplicant_event(drv->ctx, EVENT_RX_PROBE_REQ,
1887                                              &event);
1888                 }
1889         }
1890 }
1891
1892
1893 static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
1894                                      struct sockaddr *from,
1895                                      socklen_t fromlen,
1896                                      const u8 *data, size_t data_len)
1897 {
1898         char buf[512], *pos, *end;
1899         int ret;
1900         struct test_driver_bss *bss;
1901
1902         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
1903
1904         /* data: optional [ STA-addr | ' ' | IEs(hex) ] */
1905
1906         if (!drv->ibss)
1907                 return;
1908
1909         pos = buf;
1910         end = buf + sizeof(buf);
1911
1912         /* reply: SCANRESP BSSID SSID IEs */
1913         ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
1914                        MAC2STR(bss->bssid));
1915         if (ret < 0 || ret >= end - pos)
1916                 return;
1917         pos += ret;
1918         pos += wpa_snprintf_hex(pos, end - pos,
1919                                 bss->ssid, bss->ssid_len);
1920         ret = snprintf(pos, end - pos, " ");
1921         if (ret < 0 || ret >= end - pos)
1922                 return;
1923         pos += ret;
1924         pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
1925                                 drv->assoc_wpa_ie_len);
1926
1927         if (bss->privacy) {
1928                 ret = snprintf(pos, end - pos, " PRIVACY");
1929                 if (ret < 0 || ret >= end - pos)
1930                         return;
1931                 pos += ret;
1932         }
1933
1934         ret = snprintf(pos, end - pos, " IBSS");
1935         if (ret < 0 || ret >= end - pos)
1936                 return;
1937         pos += ret;
1938
1939         sendto(drv->test_socket, buf, pos - buf, 0,
1940                (struct sockaddr *) from, fromlen);
1941 }
1942
1943
1944 static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
1945                                          void *sock_ctx)
1946 {
1947         struct wpa_driver_test_data *drv = eloop_ctx;
1948         char *buf;
1949         int res;
1950         struct sockaddr_storage from;
1951         socklen_t fromlen = sizeof(from);
1952         const size_t buflen = 2000;
1953
1954         if (drv->ap) {
1955                 test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
1956                 return;
1957         }
1958
1959         buf = os_malloc(buflen);
1960         if (buf == NULL)
1961                 return;
1962         res = recvfrom(sock, buf, buflen - 1, 0,
1963                        (struct sockaddr *) &from, &fromlen);
1964         if (res < 0) {
1965                 perror("recvfrom(test_socket)");
1966                 os_free(buf);
1967                 return;
1968         }
1969         buf[res] = '\0';
1970
1971         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
1972
1973         if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
1974                 wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
1975                                          fromlen, buf + 9);
1976         } else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
1977                 wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
1978                                           fromlen, buf + 10);
1979         } else if (os_strcmp(buf, "DISASSOC") == 0) {
1980                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1981                                          fromlen);
1982         } else if (os_strcmp(buf, "DEAUTH") == 0) {
1983                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1984                                          fromlen);
1985         } else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
1986                 wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
1987                                       (const u8 *) buf + 6, res - 6);
1988         } else if (os_strncmp(buf, "MLME ", 5) == 0) {
1989                 wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
1990                                      (const u8 *) buf + 5, res - 5);
1991         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
1992                 wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
1993                                          fromlen,
1994                                          (const u8 *) buf + 5, res - 5);
1995         } else {
1996                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
1997                                   (u8 *) buf, res);
1998         }
1999         os_free(buf);
2000 }
2001
2002
2003 static void * wpa_driver_test_init2(void *ctx, const char *ifname,
2004                                     void *global_priv)
2005 {
2006         struct wpa_driver_test_data *drv;
2007         struct wpa_driver_test_global *global = global_priv;
2008         struct test_driver_bss *bss;
2009
2010         drv = test_alloc_data(ctx, ifname);
2011         if (drv == NULL)
2012                 return NULL;
2013         bss = dl_list_first(&drv->bss, struct test_driver_bss, list);
2014         drv->global = global_priv;
2015         drv->test_socket = -1;
2016
2017         /* Set dummy BSSID and SSID for testing. */
2018         bss->bssid[0] = 0x02;
2019         bss->bssid[1] = 0x00;
2020         bss->bssid[2] = 0x00;
2021         bss->bssid[3] = 0x00;
2022         bss->bssid[4] = 0x00;
2023         bss->bssid[5] = 0x01;
2024         os_memcpy(bss->ssid, "test", 5);
2025         bss->ssid_len = 4;
2026
2027         if (global->bss_add_used) {
2028                 os_memcpy(drv->own_addr, global->req_addr, ETH_ALEN);
2029                 global->bss_add_used = 0;
2030         }
2031
2032         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
2033
2034         return bss;
2035 }
2036
2037
2038 static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
2039 {
2040         if (drv->test_socket >= 0) {
2041                 eloop_unregister_read_sock(drv->test_socket);
2042                 close(drv->test_socket);
2043                 drv->test_socket = -1;
2044         }
2045
2046         if (drv->own_socket_path) {
2047                 unlink(drv->own_socket_path);
2048                 os_free(drv->own_socket_path);
2049                 drv->own_socket_path = NULL;
2050         }
2051 }
2052
2053
2054 static void wpa_driver_test_deinit(void *priv)
2055 {
2056         struct test_driver_bss *dbss = priv;
2057         struct wpa_driver_test_data *drv = dbss->drv;
2058         struct test_client_socket *cli, *prev;
2059         int i;
2060
2061         cli = drv->cli;
2062         while (cli) {
2063                 prev = cli;
2064                 cli = cli->next;
2065                 os_free(prev);
2066         }
2067
2068 #ifdef HOSTAPD
2069         /* There should be only one BSS remaining at this point. */
2070         if (dl_list_len(&drv->bss) != 1)
2071                 wpa_printf(MSG_ERROR, "%s: %u remaining BSS entries",
2072                            __func__, dl_list_len(&drv->bss));
2073 #endif /* HOSTAPD */
2074
2075         test_driver_free_bsses(drv);
2076
2077         wpa_driver_test_close_test_socket(drv);
2078         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
2079         eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
2080         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2081         os_free(drv->test_dir);
2082         for (i = 0; i < MAX_SCAN_RESULTS; i++)
2083                 os_free(drv->scanres[i]);
2084         os_free(drv->probe_req_ie);
2085         wpa_trace_remove_ref(drv, ctx, drv->ctx);
2086         os_free(drv);
2087 }
2088
2089
2090 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
2091                                   const char *dir, int ap)
2092 {
2093 #ifdef DRIVER_TEST_UNIX
2094         static unsigned int counter = 0;
2095         struct sockaddr_un addr;
2096         size_t len;
2097
2098         os_free(drv->own_socket_path);
2099         if (dir) {
2100                 len = os_strlen(dir) + 30;
2101                 drv->own_socket_path = os_malloc(len);
2102                 if (drv->own_socket_path == NULL)
2103                         return -1;
2104                 os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
2105                             dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
2106         } else {
2107                 drv->own_socket_path = os_malloc(100);
2108                 if (drv->own_socket_path == NULL)
2109                         return -1;
2110                 os_snprintf(drv->own_socket_path, 100,
2111                             "/tmp/wpa_supplicant_test-%d-%d",
2112                             getpid(), counter++);
2113         }
2114
2115         drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
2116         if (drv->test_socket < 0) {
2117                 perror("socket(PF_UNIX)");
2118                 os_free(drv->own_socket_path);
2119                 drv->own_socket_path = NULL;
2120                 return -1;
2121         }
2122
2123         os_memset(&addr, 0, sizeof(addr));
2124         addr.sun_family = AF_UNIX;
2125         os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
2126         if (bind(drv->test_socket, (struct sockaddr *) &addr,
2127                  sizeof(addr)) < 0) {
2128                 perror("bind(PF_UNIX)");
2129                 close(drv->test_socket);
2130                 unlink(drv->own_socket_path);
2131                 os_free(drv->own_socket_path);
2132                 drv->own_socket_path = NULL;
2133                 return -1;
2134         }
2135
2136         eloop_register_read_sock(drv->test_socket,
2137                                  wpa_driver_test_receive_unix, drv, NULL);
2138
2139         return 0;
2140 #else /* DRIVER_TEST_UNIX */
2141         return -1;
2142 #endif /* DRIVER_TEST_UNIX */
2143 }
2144
2145
2146 static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
2147                                       char *dst)
2148 {
2149         char *pos;
2150
2151         pos = os_strchr(dst, ':');
2152         if (pos == NULL)
2153                 return -1;
2154         *pos++ = '\0';
2155         wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
2156
2157         drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
2158         if (drv->test_socket < 0) {
2159                 perror("socket(PF_INET)");
2160                 return -1;
2161         }
2162
2163         os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
2164         drv->hostapd_addr_udp.sin_family = AF_INET;
2165 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
2166         {
2167                 int a[4];
2168                 u8 *pos;
2169                 sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
2170                 pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
2171                 *pos++ = a[0];
2172                 *pos++ = a[1];
2173                 *pos++ = a[2];
2174                 *pos++ = a[3];
2175         }
2176 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2177         inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
2178 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2179         drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
2180
2181         drv->hostapd_addr_udp_set = 1;
2182
2183         eloop_register_read_sock(drv->test_socket,
2184                                  wpa_driver_test_receive_unix, drv, NULL);
2185
2186         return 0;
2187 }
2188
2189
2190 static int wpa_driver_test_set_param(void *priv, const char *param)
2191 {
2192         struct test_driver_bss *dbss = priv;
2193         struct wpa_driver_test_data *drv = dbss->drv;
2194         const char *pos;
2195
2196         wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
2197         if (param == NULL)
2198                 return 0;
2199
2200         wpa_driver_test_close_test_socket(drv);
2201
2202 #ifdef DRIVER_TEST_UNIX
2203         pos = os_strstr(param, "test_socket=");
2204         if (pos) {
2205                 const char *pos2;
2206                 size_t len;
2207
2208                 pos += 12;
2209                 pos2 = os_strchr(pos, ' ');
2210                 if (pos2)
2211                         len = pos2 - pos;
2212                 else
2213                         len = os_strlen(pos);
2214                 if (len > sizeof(drv->hostapd_addr.sun_path))
2215                         return -1;
2216                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
2217                 drv->hostapd_addr.sun_family = AF_UNIX;
2218                 os_memcpy(drv->hostapd_addr.sun_path, pos, len);
2219                 drv->hostapd_addr_set = 1;
2220         }
2221 #endif /* DRIVER_TEST_UNIX */
2222
2223         pos = os_strstr(param, "test_dir=");
2224         if (pos) {
2225                 char *end;
2226                 os_free(drv->test_dir);
2227                 drv->test_dir = os_strdup(pos + 9);
2228                 if (drv->test_dir == NULL)
2229                         return -1;
2230                 end = os_strchr(drv->test_dir, ' ');
2231                 if (end)
2232                         *end = '\0';
2233                 if (wpa_driver_test_attach(drv, drv->test_dir, 0))
2234                         return -1;
2235         } else {
2236                 pos = os_strstr(param, "test_udp=");
2237                 if (pos) {
2238                         char *dst, *epos;
2239                         dst = os_strdup(pos + 9);
2240                         if (dst == NULL)
2241                                 return -1;
2242                         epos = os_strchr(dst, ' ');
2243                         if (epos)
2244                                 *epos = '\0';
2245                         if (wpa_driver_test_attach_udp(drv, dst))
2246                                 return -1;
2247                         os_free(dst);
2248                 } else if (wpa_driver_test_attach(drv, NULL, 0))
2249                         return -1;
2250         }
2251
2252         if (os_strstr(param, "use_associnfo=1")) {
2253                 wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
2254                 drv->use_associnfo = 1;
2255         }
2256
2257 #ifdef CONFIG_CLIENT_MLME
2258         if (os_strstr(param, "use_mlme=1")) {
2259                 wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
2260                 drv->use_mlme = 1;
2261         }
2262 #endif /* CONFIG_CLIENT_MLME */
2263
2264         return 0;
2265 }
2266
2267
2268 static const u8 * wpa_driver_test_get_mac_addr(void *priv)
2269 {
2270         struct test_driver_bss *dbss = priv;
2271         struct wpa_driver_test_data *drv = dbss->drv;
2272         wpa_printf(MSG_DEBUG, "%s", __func__);
2273         return drv->own_addr;
2274 }
2275
2276
2277 static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
2278                                       const u8 *data, size_t data_len)
2279 {
2280         struct test_driver_bss *dbss = priv;
2281         struct wpa_driver_test_data *drv = dbss->drv;
2282         char *msg;
2283         size_t msg_len;
2284         struct l2_ethhdr eth;
2285         struct sockaddr *addr;
2286         socklen_t alen;
2287 #ifdef DRIVER_TEST_UNIX
2288         struct sockaddr_un addr_un;
2289 #endif /* DRIVER_TEST_UNIX */
2290
2291         wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
2292
2293         os_memset(&eth, 0, sizeof(eth));
2294         os_memcpy(eth.h_dest, dest, ETH_ALEN);
2295         os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
2296         eth.h_proto = host_to_be16(proto);
2297
2298         msg_len = 6 + sizeof(eth) + data_len;
2299         msg = os_malloc(msg_len);
2300         if (msg == NULL)
2301                 return -1;
2302         os_memcpy(msg, "EAPOL ", 6);
2303         os_memcpy(msg + 6, &eth, sizeof(eth));
2304         os_memcpy(msg + 6 + sizeof(eth), data, data_len);
2305
2306         if (os_memcmp(dest, dbss->bssid, ETH_ALEN) == 0 ||
2307             drv->test_dir == NULL) {
2308                 if (drv->hostapd_addr_udp_set) {
2309                         addr = (struct sockaddr *) &drv->hostapd_addr_udp;
2310                         alen = sizeof(drv->hostapd_addr_udp);
2311                 } else {
2312 #ifdef DRIVER_TEST_UNIX
2313                         addr = (struct sockaddr *) &drv->hostapd_addr;
2314                         alen = sizeof(drv->hostapd_addr);
2315 #else /* DRIVER_TEST_UNIX */
2316                         os_free(msg);
2317                         return -1;
2318 #endif /* DRIVER_TEST_UNIX */
2319                 }
2320         } else {
2321 #ifdef DRIVER_TEST_UNIX
2322                 struct stat st;
2323                 os_memset(&addr_un, 0, sizeof(addr_un));
2324                 addr_un.sun_family = AF_UNIX;
2325                 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2326                             "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
2327                 if (stat(addr_un.sun_path, &st) < 0) {
2328                         os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2329                                     "%s/AP-" MACSTR,
2330                                     drv->test_dir, MAC2STR(dest));
2331                 }
2332                 addr = (struct sockaddr *) &addr_un;
2333                 alen = sizeof(addr_un);
2334 #else /* DRIVER_TEST_UNIX */
2335                 os_free(msg);
2336                 return -1;
2337 #endif /* DRIVER_TEST_UNIX */
2338         }
2339
2340         if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
2341                 perror("sendmsg(test_socket)");
2342                 os_free(msg);
2343                 return -1;
2344         }
2345
2346         os_free(msg);
2347         return 0;
2348 }
2349
2350
2351 static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
2352 {
2353         struct test_driver_bss *dbss = priv;
2354         struct wpa_driver_test_data *drv = dbss->drv;
2355         os_memset(capa, 0, sizeof(*capa));
2356         capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2357                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2358                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2359                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
2360                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
2361                 WPA_DRIVER_CAPA_KEY_MGMT_FT |
2362                 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2363         capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2364                 WPA_DRIVER_CAPA_ENC_WEP104 |
2365                 WPA_DRIVER_CAPA_ENC_TKIP |
2366                 WPA_DRIVER_CAPA_ENC_CCMP;
2367         capa->auth = WPA_DRIVER_AUTH_OPEN |
2368                 WPA_DRIVER_AUTH_SHARED |
2369                 WPA_DRIVER_AUTH_LEAP;
2370         if (drv->use_mlme)
2371                 capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
2372         capa->flags |= WPA_DRIVER_FLAGS_AP;
2373         capa->max_scan_ssids = 2;
2374
2375         return 0;
2376 }
2377
2378
2379 static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
2380                                               int protect_type,
2381                                               int key_type)
2382 {
2383         wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
2384                    __func__, protect_type, key_type);
2385
2386         if (addr) {
2387                 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
2388                            __func__, MAC2STR(addr));
2389         }
2390
2391         return 0;
2392 }
2393
2394
2395 static int wpa_driver_test_set_channel(void *priv,
2396                                        enum hostapd_hw_mode phymode,
2397                                        int chan, int freq)
2398 {
2399         struct test_driver_bss *dbss = priv;
2400         struct wpa_driver_test_data *drv = dbss->drv;
2401         wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
2402                    __func__, phymode, chan, freq);
2403         drv->current_freq = freq;
2404         return 0;
2405 }
2406
2407
2408 static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
2409                                         const u8 *supp_rates,
2410                                         size_t supp_rates_len)
2411 {
2412         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2413         return 0;
2414 }
2415
2416
2417 static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
2418 {
2419         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2420         return 0;
2421 }
2422
2423
2424 static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
2425                                     size_t ssid_len)
2426 {
2427         wpa_printf(MSG_DEBUG, "%s", __func__);
2428         return 0;
2429 }
2430
2431
2432 static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
2433 {
2434         wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
2435         return 0;
2436 }
2437
2438
2439 static void * wpa_driver_test_global_init(void)
2440 {
2441         struct wpa_driver_test_global *global;
2442
2443         global = os_zalloc(sizeof(*global));
2444         return global;
2445 }
2446
2447
2448 static void wpa_driver_test_global_deinit(void *priv)
2449 {
2450         struct wpa_driver_test_global *global = priv;
2451         os_free(global);
2452 }
2453
2454
2455 static struct wpa_interface_info *
2456 wpa_driver_test_get_interfaces(void *global_priv)
2457 {
2458         /* struct wpa_driver_test_global *global = priv; */
2459         struct wpa_interface_info *iface;
2460
2461         iface = os_zalloc(sizeof(*iface));
2462         if (iface == NULL)
2463                 return iface;
2464         iface->ifname = os_strdup("sta0");
2465         iface->desc = os_strdup("test interface 0");
2466         iface->drv_name = "test";
2467         iface->next = os_zalloc(sizeof(*iface));
2468         if (iface->next) {
2469                 iface->next->ifname = os_strdup("sta1");
2470                 iface->next->desc = os_strdup("test interface 1");
2471                 iface->next->drv_name = "test";
2472         }
2473
2474         return iface;
2475 }
2476
2477
2478 static struct hostapd_hw_modes *
2479 wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
2480 {
2481         struct hostapd_hw_modes *modes;
2482         size_t i;
2483
2484         *num_modes = 3;
2485         *flags = 0;
2486         modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
2487         if (modes == NULL)
2488                 return NULL;
2489         modes[0].mode = HOSTAPD_MODE_IEEE80211G;
2490         modes[0].num_channels = 11;
2491         modes[0].num_rates = 12;
2492         modes[0].channels =
2493                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2494         modes[0].rates = os_zalloc(modes[0].num_rates * sizeof(int));
2495         if (modes[0].channels == NULL || modes[0].rates == NULL)
2496                 goto fail;
2497         for (i = 0; i < 11; i++) {
2498                 modes[0].channels[i].chan = i + 1;
2499                 modes[0].channels[i].freq = 2412 + 5 * i;
2500                 modes[0].channels[i].flag = 0;
2501         }
2502         modes[0].rates[0] = 10;
2503         modes[0].rates[1] = 20;
2504         modes[0].rates[2] = 55;
2505         modes[0].rates[3] = 110;
2506         modes[0].rates[4] = 60;
2507         modes[0].rates[5] = 90;
2508         modes[0].rates[6] = 120;
2509         modes[0].rates[7] = 180;
2510         modes[0].rates[8] = 240;
2511         modes[0].rates[9] = 360;
2512         modes[0].rates[10] = 480;
2513         modes[0].rates[11] = 540;
2514
2515         modes[1].mode = HOSTAPD_MODE_IEEE80211B;
2516         modes[1].num_channels = 11;
2517         modes[1].num_rates = 4;
2518         modes[1].channels =
2519                 os_zalloc(11 * sizeof(struct hostapd_channel_data));
2520         modes[1].rates = os_zalloc(modes[1].num_rates * sizeof(int));
2521         if (modes[1].channels == NULL || modes[1].rates == NULL)
2522                 goto fail;
2523         for (i = 0; i < 11; i++) {
2524                 modes[1].channels[i].chan = i + 1;
2525                 modes[1].channels[i].freq = 2412 + 5 * i;
2526                 modes[1].channels[i].flag = 0;
2527         }
2528         modes[1].rates[0] = 10;
2529         modes[1].rates[1] = 20;
2530         modes[1].rates[2] = 55;
2531         modes[1].rates[3] = 110;
2532
2533         modes[2].mode = HOSTAPD_MODE_IEEE80211A;
2534         modes[2].num_channels = 1;
2535         modes[2].num_rates = 8;
2536         modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2537         modes[2].rates = os_zalloc(modes[2].num_rates * sizeof(int));
2538         if (modes[2].channels == NULL || modes[2].rates == NULL)
2539                 goto fail;
2540         modes[2].channels[0].chan = 60;
2541         modes[2].channels[0].freq = 5300;
2542         modes[2].channels[0].flag = 0;
2543         modes[2].rates[0] = 60;
2544         modes[2].rates[1] = 90;
2545         modes[2].rates[2] = 120;
2546         modes[2].rates[3] = 180;
2547         modes[2].rates[4] = 240;
2548         modes[2].rates[5] = 360;
2549         modes[2].rates[6] = 480;
2550         modes[2].rates[7] = 540;
2551
2552         return modes;
2553
2554 fail:
2555         if (modes) {
2556                 for (i = 0; i < *num_modes; i++) {
2557                         os_free(modes[i].channels);
2558                         os_free(modes[i].rates);
2559                 }
2560                 os_free(modes);
2561         }
2562         return NULL;
2563 }
2564
2565
2566 static int wpa_driver_test_set_freq(void *priv,
2567                                     struct hostapd_freq_params *freq)
2568 {
2569         struct test_driver_bss *dbss = priv;
2570         struct wpa_driver_test_data *drv = dbss->drv;
2571         wpa_printf(MSG_DEBUG, "test: set_freq %u MHz", freq->freq);
2572         drv->current_freq = freq->freq;
2573         return 0;
2574 }
2575
2576
2577 static int wpa_driver_test_send_action(void *priv, unsigned int freq,
2578                                        const u8 *dst, const u8 *src,
2579                                        const u8 *bssid,
2580                                        const u8 *data, size_t data_len)
2581 {
2582         struct test_driver_bss *dbss = priv;
2583         struct wpa_driver_test_data *drv = dbss->drv;
2584         int ret = -1;
2585         u8 *buf;
2586         struct ieee80211_hdr *hdr;
2587
2588         wpa_printf(MSG_DEBUG, "test: Send Action frame");
2589
2590         if ((drv->remain_on_channel_freq &&
2591              freq != drv->remain_on_channel_freq) ||
2592             (drv->remain_on_channel_freq == 0 &&
2593              freq != (unsigned int) drv->current_freq)) {
2594                 wpa_printf(MSG_DEBUG, "test: Reject Action frame TX on "
2595                            "unexpected channel: freq=%u MHz (current_freq=%u "
2596                            "MHz, remain-on-channel freq=%u MHz)",
2597                            freq, drv->current_freq,
2598                            drv->remain_on_channel_freq);
2599                 return -1;
2600         }
2601
2602         buf = os_zalloc(24 + data_len);
2603         if (buf == NULL)
2604                 return ret;
2605         os_memcpy(buf + 24, data, data_len);
2606         hdr = (struct ieee80211_hdr *) buf;
2607         hdr->frame_control =
2608                 IEEE80211_FC(WLAN_FC_TYPE_MGMT, WLAN_FC_STYPE_ACTION);
2609         os_memcpy(hdr->addr1, dst, ETH_ALEN);
2610         os_memcpy(hdr->addr2, src, ETH_ALEN);
2611         os_memcpy(hdr->addr3, bssid, ETH_ALEN);
2612
2613         ret = wpa_driver_test_send_mlme(priv, buf, 24 + data_len);
2614         os_free(buf);
2615         return ret;
2616 }
2617
2618
2619 static int wpa_driver_test_alloc_interface_addr(void *priv, u8 *addr,
2620                                                 char *ifname)
2621 {
2622         struct test_driver_bss *dbss = priv;
2623         struct wpa_driver_test_data *drv = dbss->drv;
2624
2625         if (ifname)
2626                 ifname[0] = '\0';
2627
2628         drv->alloc_iface_idx++;
2629         addr[0] = 0x02; /* locally administered */
2630         sha1_prf(drv->own_addr, ETH_ALEN, "hostapd test addr generation",
2631                  (const u8 *) &drv->alloc_iface_idx,
2632                  sizeof(drv->alloc_iface_idx),
2633                  addr + 1, ETH_ALEN - 1);
2634         return 0;
2635 }
2636
2637
2638 static void wpa_driver_test_release_interface_addr(void *priv, const u8 *addr)
2639 {
2640 }
2641
2642
2643 static void test_remain_on_channel_timeout(void *eloop_ctx, void *timeout_ctx)
2644 {
2645         struct wpa_driver_test_data *drv = eloop_ctx;
2646         union wpa_event_data data;
2647
2648         wpa_printf(MSG_DEBUG, "test: Remain-on-channel timeout");
2649
2650         os_memset(&data, 0, sizeof(data));
2651         data.remain_on_channel.freq = drv->remain_on_channel_freq;
2652         data.remain_on_channel.duration = drv->remain_on_channel_duration;
2653         wpa_supplicant_event(drv->ctx, EVENT_CANCEL_REMAIN_ON_CHANNEL, &data);
2654
2655         drv->remain_on_channel_freq = 0;
2656 }
2657
2658
2659 static int wpa_driver_test_remain_on_channel(void *priv, unsigned int freq,
2660                                              unsigned int duration)
2661 {
2662         struct test_driver_bss *dbss = priv;
2663         struct wpa_driver_test_data *drv = dbss->drv;
2664         union wpa_event_data data;
2665
2666         wpa_printf(MSG_DEBUG, "%s(freq=%u, duration=%u)",
2667                    __func__, freq, duration);
2668         if (drv->remain_on_channel_freq &&
2669             drv->remain_on_channel_freq != freq) {
2670                 wpa_printf(MSG_DEBUG, "test: Refuse concurrent "
2671                            "remain_on_channel request");
2672                 return -1;
2673         }
2674
2675         drv->remain_on_channel_freq = freq;
2676         drv->remain_on_channel_duration = duration;
2677         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2678         eloop_register_timeout(duration / 1000, (duration % 1000) * 1000,
2679                                test_remain_on_channel_timeout, drv, NULL);
2680
2681         os_memset(&data, 0, sizeof(data));
2682         data.remain_on_channel.freq = freq;
2683         data.remain_on_channel.duration = duration;
2684         wpa_supplicant_event(drv->ctx, EVENT_REMAIN_ON_CHANNEL, &data);
2685
2686         return 0;
2687 }
2688
2689
2690 static int wpa_driver_test_cancel_remain_on_channel(void *priv)
2691 {
2692         struct test_driver_bss *dbss = priv;
2693         struct wpa_driver_test_data *drv = dbss->drv;
2694         wpa_printf(MSG_DEBUG, "%s", __func__);
2695         if (!drv->remain_on_channel_freq)
2696                 return -1;
2697         drv->remain_on_channel_freq = 0;
2698         eloop_cancel_timeout(test_remain_on_channel_timeout, drv, NULL);
2699         return 0;
2700 }
2701
2702
2703 static int wpa_driver_test_probe_req_report(void *priv, int report)
2704 {
2705         struct test_driver_bss *dbss = priv;
2706         struct wpa_driver_test_data *drv = dbss->drv;
2707         wpa_printf(MSG_DEBUG, "%s(report=%d)", __func__, report);
2708         drv->probe_req_report = report;
2709         return 0;
2710 }
2711
2712
2713 const struct wpa_driver_ops wpa_driver_test_ops = {
2714         "test",
2715         "wpa_supplicant test driver",
2716         .hapd_init = test_driver_init,
2717         .hapd_deinit = wpa_driver_test_deinit,
2718         .hapd_send_eapol = test_driver_send_eapol,
2719         .send_mlme = wpa_driver_test_send_mlme,
2720         .set_generic_elem = test_driver_set_generic_elem,
2721         .sta_deauth = test_driver_sta_deauth,
2722         .sta_disassoc = test_driver_sta_disassoc,
2723         .get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
2724         .if_add = test_driver_if_add,
2725         .if_remove = test_driver_if_remove,
2726         .valid_bss_mask = test_driver_valid_bss_mask,
2727         .hapd_set_ssid = test_driver_set_ssid,
2728         .set_privacy = test_driver_set_privacy,
2729         .set_sta_vlan = test_driver_set_sta_vlan,
2730         .sta_add = test_driver_sta_add,
2731         .send_ether = test_driver_send_ether,
2732         .set_ap_wps_ie = test_driver_set_ap_wps_ie,
2733         .get_bssid = wpa_driver_test_get_bssid,
2734         .get_ssid = wpa_driver_test_get_ssid,
2735         .set_key = wpa_driver_test_set_key,
2736         .deinit = wpa_driver_test_deinit,
2737         .set_param = wpa_driver_test_set_param,
2738         .deauthenticate = wpa_driver_test_deauthenticate,
2739         .disassociate = wpa_driver_test_disassociate,
2740         .associate = wpa_driver_test_associate,
2741         .get_capa = wpa_driver_test_get_capa,
2742         .get_mac_addr = wpa_driver_test_get_mac_addr,
2743         .send_eapol = wpa_driver_test_send_eapol,
2744         .mlme_setprotection = wpa_driver_test_mlme_setprotection,
2745         .set_channel = wpa_driver_test_set_channel,
2746         .set_ssid = wpa_driver_test_set_ssid,
2747         .set_bssid = wpa_driver_test_set_bssid,
2748         .mlme_add_sta = wpa_driver_test_mlme_add_sta,
2749         .mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
2750         .get_scan_results2 = wpa_driver_test_get_scan_results2,
2751         .global_init = wpa_driver_test_global_init,
2752         .global_deinit = wpa_driver_test_global_deinit,
2753         .init2 = wpa_driver_test_init2,
2754         .get_interfaces = wpa_driver_test_get_interfaces,
2755         .scan2 = wpa_driver_test_scan,
2756         .set_freq = wpa_driver_test_set_freq,
2757         .send_action = wpa_driver_test_send_action,
2758         .alloc_interface_addr = wpa_driver_test_alloc_interface_addr,
2759         .release_interface_addr = wpa_driver_test_release_interface_addr,
2760         .remain_on_channel = wpa_driver_test_remain_on_channel,
2761         .cancel_remain_on_channel = wpa_driver_test_cancel_remain_on_channel,
2762         .probe_req_report = wpa_driver_test_probe_req_report,
2763 };