src/drivers/driver_test.c

   1 /*
   2  * WPA Supplicant - testing driver interface
   3  * Copyright (c) 2004-2008, 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 "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 "common.h"
  31 #include "driver.h"
  32 #include "l2_packet/l2_packet.h"
  33 #include "eloop.h"
  34 #include "sha1.h"
  35 #include "ieee802_11_defs.h"
  36
  37 #include "../../hostapd/hostapd.h"
  38 #include "../../hostapd/wpa.h"
  39 #include "../../hostapd/hw_features.h"
  40
  41
  42 struct test_client_socket {
  43         struct test_client_socket *next;
  44         u8 addr[ETH_ALEN];
  45         struct sockaddr_un un;
  46         socklen_t unlen;
  47         struct test_driver_bss *bss;
  48 };
  49
  50 struct test_driver_bss {
  51         struct test_driver_bss *next;
  52         char ifname[IFNAMSIZ + 1];
  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 dummy;
  67 };
  68
  69 struct wpa_driver_test_data {
  70         struct wpa_driver_test_global *global;
  71         void *ctx;
  72         u8 own_addr[ETH_ALEN];
  73         int test_socket;
  74 #ifdef DRIVER_TEST_UNIX
  75         struct sockaddr_un hostapd_addr;
  76 #endif /* DRIVER_TEST_UNIX */
  77         int hostapd_addr_set;
  78         struct sockaddr_in hostapd_addr_udp;
  79         int hostapd_addr_udp_set;
  80         char *own_socket_path;
  81         char *test_dir;
  82         u8 bssid[ETH_ALEN];
  83         u8 ssid[32];
  84         size_t ssid_len;
  85 #define MAX_SCAN_RESULTS 30
  86         struct wpa_scan_res *scanres[MAX_SCAN_RESULTS];
  87         size_t num_scanres;
  88         int use_associnfo;
  89         u8 assoc_wpa_ie[80];
  90         size_t assoc_wpa_ie_len;
  91         int use_mlme;
  92         int associated;
  93         u8 *probe_req_ie;
  94         size_t probe_req_ie_len;
  95         int ibss;
  96         int privacy;
  97         int ap;
  98
  99         struct hostapd_data *hapd;
 100         struct test_client_socket *cli;
 101         struct test_driver_bss *bss;
 102         int udp_port;
 103 };
 104
 105
 106 static void wpa_driver_test_deinit(void *priv);
 107 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
 108                                   const char *dir, int ap);
 109 static void wpa_driver_test_close_test_socket(
 110         struct wpa_driver_test_data *drv);
 111
 112 #ifdef CONFIG_AP
 113 void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
 114                 struct hostapd_frame_info *fi);
 115 void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok);
 116
 117 #else /* CONFIG_AP */
 118 #ifndef HOSTAPD
 119 static inline void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
 120                               struct hostapd_frame_info *fi)
 121 {
 122 }
 123
 124 static inline void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype,
 125                                  int ok)
 126 {
 127 }
 128 #endif /* HOSTAPD */
 129 #endif /* CONFIG_AP */
 130
 131
 132 static void test_driver_free_bss(struct test_driver_bss *bss)
 133 {
 134         free(bss->ie);
 135         free(bss->wps_beacon_ie);
 136         free(bss->wps_probe_resp_ie);
 137         free(bss);
 138 }
 139
 140
 141 static struct test_client_socket *
 142 test_driver_get_cli(struct wpa_driver_test_data *drv, struct sockaddr_un *from,
 143                     socklen_t fromlen)
 144 {
 145         struct test_client_socket *cli = drv->cli;
 146
 147         while (cli) {
 148                 if (cli->unlen == fromlen &&
 149                     strncmp(cli->un.sun_path, from->sun_path,
 150                             fromlen - sizeof(cli->un.sun_family)) == 0)
 151                         return cli;
 152                 cli = cli->next;
 153         }
 154
 155         return NULL;
 156 }
 157
 158
 159 static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
 160                                   size_t data_len, int encrypt,
 161                                   const u8 *own_addr)
 162 {
 163         struct wpa_driver_test_data *drv = priv;
 164         struct test_client_socket *cli;
 165         struct msghdr msg;
 166         struct iovec io[3];
 167         struct l2_ethhdr eth;
 168
 169         if (drv->test_socket < 0)
 170                 return -1;
 171
 172         cli = drv->cli;
 173         while (cli) {
 174                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 175                         break;
 176                 cli = cli->next;
 177         }
 178
 179         if (!cli) {
 180                 wpa_printf(MSG_DEBUG, "%s: no destination client entry",
 181                            __func__);
 182                 return -1;
 183         }
 184
 185         memcpy(eth.h_dest, addr, ETH_ALEN);
 186         memcpy(eth.h_source, own_addr, ETH_ALEN);
 187         eth.h_proto = host_to_be16(ETH_P_EAPOL);
 188
 189         io[0].iov_base = "EAPOL ";
 190         io[0].iov_len = 6;
 191         io[1].iov_base = &eth;
 192         io[1].iov_len = sizeof(eth);
 193         io[2].iov_base = (u8 *) data;
 194         io[2].iov_len = data_len;
 195
 196         memset(&msg, 0, sizeof(msg));
 197         msg.msg_iov = io;
 198         msg.msg_iovlen = 3;
 199         msg.msg_name = &cli->un;
 200         msg.msg_namelen = cli->unlen;
 201         return sendmsg(drv->test_socket, &msg, 0);
 202 }
 203
 204
 205 static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
 206                                   u16 proto, const u8 *data, size_t data_len)
 207 {
 208         struct wpa_driver_test_data *drv = priv;
 209         struct msghdr msg;
 210         struct iovec io[3];
 211         struct l2_ethhdr eth;
 212         char desttxt[30];
 213         struct sockaddr_un addr;
 214         struct dirent *dent;
 215         DIR *dir;
 216         int ret = 0, broadcast = 0, count = 0;
 217
 218         if (drv->test_socket < 0 || drv->test_dir == NULL) {
 219                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
 220                            "test_dir=%p)",
 221                            __func__, drv->test_socket, drv->test_dir);
 222                 return -1;
 223         }
 224
 225         broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 226         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
 227
 228         memcpy(eth.h_dest, dst, ETH_ALEN);
 229         memcpy(eth.h_source, src, ETH_ALEN);
 230         eth.h_proto = host_to_be16(proto);
 231
 232         io[0].iov_base = "ETHER ";
 233         io[0].iov_len = 6;
 234         io[1].iov_base = &eth;
 235         io[1].iov_len = sizeof(eth);
 236         io[2].iov_base = (u8 *) data;
 237         io[2].iov_len = data_len;
 238
 239         memset(&msg, 0, sizeof(msg));
 240         msg.msg_iov = io;
 241         msg.msg_iovlen = 3;
 242
 243         dir = opendir(drv->test_dir);
 244         if (dir == NULL) {
 245                 perror("test_driver: opendir");
 246                 return -1;
 247         }
 248         while ((dent = readdir(dir))) {
 249 #ifdef _DIRENT_HAVE_D_TYPE
 250                 /* Skip the file if it is not a socket. Also accept
 251                  * DT_UNKNOWN (0) in case the C library or underlying file
 252                  * system does not support d_type. */
 253                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 254                         continue;
 255 #endif /* _DIRENT_HAVE_D_TYPE */
 256                 if (strcmp(dent->d_name, ".") == 0 ||
 257                     strcmp(dent->d_name, "..") == 0)
 258                         continue;
 259
 260                 memset(&addr, 0, sizeof(addr));
 261                 addr.sun_family = AF_UNIX;
 262                 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 263                          drv->test_dir, dent->d_name);
 264
 265                 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
 266                         continue;
 267                 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
 268                         continue;
 269
 270                 wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
 271                            __func__, dent->d_name);
 272
 273                 msg.msg_name = &addr;
 274                 msg.msg_namelen = sizeof(addr);
 275                 ret = sendmsg(drv->test_socket, &msg, 0);
 276                 if (ret < 0)
 277                         perror("driver_test: sendmsg");
 278                 count++;
 279         }
 280         closedir(dir);
 281
 282         if (!broadcast && count == 0) {
 283                 wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
 284                            __func__, MAC2STR(dst));
 285                 return -1;
 286         }
 287
 288         return ret;
 289 }
 290
 291
 292 static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
 293                                      size_t data_len)
 294 {
 295         struct wpa_driver_test_data *drv = priv;
 296         struct msghdr msg;
 297         struct iovec io[2];
 298         const u8 *dest;
 299         struct sockaddr_un addr;
 300         struct dirent *dent;
 301         DIR *dir;
 302         int broadcast;
 303         int ret = 0;
 304         struct ieee80211_hdr *hdr;
 305         u16 fc;
 306 #ifdef HOSTAPD
 307         char desttxt[30];
 308 #endif /* HOSTAPD */
 309
 310         wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
 311         if (drv->test_socket < 0 || data_len < 10) {
 312                 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
 313                            " test_dir=%p)",
 314                            __func__, drv->test_socket,
 315                            (unsigned long) data_len,
 316                            drv->test_dir);
 317                 return -1;
 318         }
 319
 320         dest = data + 4;
 321         broadcast = os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
 322
 323 #ifdef HOSTAPD
 324         snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
 325 #endif /* HOSTAPD */
 326
 327         io[0].iov_base = "MLME ";
 328         io[0].iov_len = 5;
 329         io[1].iov_base = (void *) data;
 330         io[1].iov_len = data_len;
 331
 332         os_memset(&msg, 0, sizeof(msg));
 333         msg.msg_iov = io;
 334         msg.msg_iovlen = 2;
 335
 336 #ifdef HOSTAPD
 337         if (drv->test_dir == NULL) {
 338                 wpa_printf(MSG_DEBUG, "%s: test_dir == NULL", __func__);
 339                 return -1;
 340         }
 341
 342         dir = opendir(drv->test_dir);
 343         if (dir == NULL) {
 344                 perror("test_driver: opendir");
 345                 return -1;
 346         }
 347         while ((dent = readdir(dir))) {
 348 #ifdef _DIRENT_HAVE_D_TYPE
 349                 /* Skip the file if it is not a socket. Also accept
 350                  * DT_UNKNOWN (0) in case the C library or underlying file
 351                  * system does not support d_type. */
 352                 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
 353                         continue;
 354 #endif /* _DIRENT_HAVE_D_TYPE */
 355                 if (os_strcmp(dent->d_name, ".") == 0 ||
 356                     os_strcmp(dent->d_name, "..") == 0)
 357                         continue;
 358
 359                 os_memset(&addr, 0, sizeof(addr));
 360                 addr.sun_family = AF_UNIX;
 361                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
 362                             drv->test_dir, dent->d_name);
 363
 364                 if (os_strcmp(addr.sun_path, drv->own_socket_path) == 0)
 365                         continue;
 366                 if (!broadcast && os_strstr(dent->d_name, desttxt) == NULL)
 367                         continue;
 368
 369                 wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
 370                            __func__, dent->d_name);
 371
 372                 msg.msg_name = &addr;
 373                 msg.msg_namelen = sizeof(addr);
 374                 ret = sendmsg(drv->test_socket, &msg, 0);
 375                 if (ret < 0)
 376                         perror("driver_test: sendmsg(test_socket)");
 377         }
 378         closedir(dir);
 379 #else /* HOSTAPD */
 380
 381         if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
 382             drv->test_dir == NULL) {
 383                 if (drv->hostapd_addr_udp_set) {
 384                         msg.msg_name = &drv->hostapd_addr_udp;
 385                         msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
 386                 } else {
 387 #ifdef DRIVER_TEST_UNIX
 388                         msg.msg_name = &drv->hostapd_addr;
 389                         msg.msg_namelen = sizeof(drv->hostapd_addr);
 390 #endif /* DRIVER_TEST_UNIX */
 391                 }
 392         } else if (broadcast) {
 393                 dir = opendir(drv->test_dir);
 394                 if (dir == NULL)
 395                         return -1;
 396                 while ((dent = readdir(dir))) {
 397 #ifdef _DIRENT_HAVE_D_TYPE
 398                         /* Skip the file if it is not a socket.
 399                          * Also accept DT_UNKNOWN (0) in case
 400                          * the C library or underlying file
 401                          * system does not support d_type. */
 402                         if (dent->d_type != DT_SOCK &&
 403                             dent->d_type != DT_UNKNOWN)
 404                                 continue;
 405 #endif /* _DIRENT_HAVE_D_TYPE */
 406                         if (os_strcmp(dent->d_name, ".") == 0 ||
 407                             os_strcmp(dent->d_name, "..") == 0)
 408                                 continue;
 409                         wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
 410                                    __func__, dent->d_name);
 411                         os_memset(&addr, 0, sizeof(addr));
 412                         addr.sun_family = AF_UNIX;
 413                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 414                                     "%s/%s", drv->test_dir, dent->d_name);
 415
 416                         msg.msg_name = &addr;
 417                         msg.msg_namelen = sizeof(addr);
 418
 419                         ret = sendmsg(drv->test_socket, &msg, 0);
 420                         if (ret < 0)
 421                                 perror("driver_test: sendmsg(test_socket)");
 422                 }
 423                 closedir(dir);
 424                 return ret;
 425         } else {
 426                 struct stat st;
 427                 os_memset(&addr, 0, sizeof(addr));
 428                 addr.sun_family = AF_UNIX;
 429                 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 430                             "%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
 431                 if (stat(addr.sun_path, &st) < 0) {
 432                         os_snprintf(addr.sun_path, sizeof(addr.sun_path),
 433                                     "%s/STA-" MACSTR,
 434                                     drv->test_dir, MAC2STR(dest));
 435                 }
 436                 msg.msg_name = &addr;
 437                 msg.msg_namelen = sizeof(addr);
 438         }
 439
 440         if (sendmsg(drv->test_socket, &msg, 0) < 0) {
 441                 perror("sendmsg(test_socket)");
 442                 return -1;
 443         }
 444 #endif /* HOSTAPD */
 445
 446         hdr = (struct ieee80211_hdr *) data;
 447         fc = le_to_host16(hdr->frame_control);
 448 #ifdef HOSTAPD
 449         hostapd_mgmt_tx_cb(drv->hapd, (u8 *) data, data_len,
 450                            WLAN_FC_GET_STYPE(fc), ret >= 0);
 451 #else /* HOSTAPD */
 452         if (drv->ap) {
 453                 ap_mgmt_tx_cb(drv->ctx, (u8 *) data, data_len,
 454                               WLAN_FC_GET_STYPE(fc), ret >= 0);
 455         }
 456 #endif /* HOSTAPD */
 457
 458         return ret;
 459 }
 460
 461
 462 static void test_driver_scan(struct wpa_driver_test_data *drv,
 463                              struct sockaddr_un *from, socklen_t fromlen,
 464                              char *data)
 465 {
 466         char buf[512], *pos, *end;
 467         int ret;
 468         struct test_driver_bss *bss;
 469         u8 sa[ETH_ALEN];
 470         u8 ie[512];
 471         size_t ielen;
 472
 473         /* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
 474
 475         wpa_printf(MSG_DEBUG, "test_driver: SCAN");
 476
 477         if (*data) {
 478                 if (*data != ' ' ||
 479                     hwaddr_aton(data + 1, sa)) {
 480                         wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
 481                                    "command format");
 482                         return;
 483                 }
 484
 485                 data += 18;
 486                 while (*data == ' ')
 487                         data++;
 488                 ielen = os_strlen(data) / 2;
 489                 if (ielen > sizeof(ie))
 490                         ielen = sizeof(ie);
 491                 if (hexstr2bin(data, ie, ielen) < 0)
 492                         ielen = 0;
 493
 494                 wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
 495                            MAC2STR(sa));
 496                 wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
 497
 498 #ifdef HOSTAPD
 499                 hostapd_probe_req_rx(drv->hapd, sa, ie, ielen);
 500 #endif /* HOSTAPD */
 501         }
 502
 503         for (bss = drv->bss; bss; bss = bss->next) {
 504                 pos = buf;
 505                 end = buf + sizeof(buf);
 506
 507                 /* reply: SCANRESP BSSID SSID IEs */
 508                 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
 509                                MAC2STR(bss->bssid));
 510                 if (ret < 0 || ret >= end - pos)
 511                         return;
 512                 pos += ret;
 513                 pos += wpa_snprintf_hex(pos, end - pos,
 514                                         bss->ssid, bss->ssid_len);
 515                 ret = snprintf(pos, end - pos, " ");
 516                 if (ret < 0 || ret >= end - pos)
 517                         return;
 518                 pos += ret;
 519                 pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
 520                 pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
 521                                         bss->wps_probe_resp_ie_len);
 522
 523                 if (bss->privacy) {
 524                         ret = snprintf(pos, end - pos, " PRIVACY");
 525                         if (ret < 0 || ret >= end - pos)
 526                                 return;
 527                         pos += ret;
 528                 }
 529
 530                 sendto(drv->test_socket, buf, pos - buf, 0,
 531                        (struct sockaddr *) from, fromlen);
 532         }
 533 }
 534
 535
 536 static struct hostapd_data *
 537 test_driver_get_hapd(struct wpa_driver_test_data *drv,
 538                      struct test_driver_bss *bss)
 539 {
 540 #ifdef HOSTAPD
 541         struct hostapd_iface *iface = drv->hapd->iface;
 542         struct hostapd_data *hapd = NULL;
 543         size_t i;
 544
 545         if (bss == NULL) {
 546                 wpa_printf(MSG_DEBUG, "%s: bss == NULL", __func__);
 547                 return NULL;
 548         }
 549
 550         for (i = 0; i < iface->num_bss; i++) {
 551                 hapd = iface->bss[i];
 552                 if (memcmp(hapd->own_addr, bss->bssid, ETH_ALEN) == 0)
 553                         break;
 554         }
 555         if (i == iface->num_bss) {
 556                 wpa_printf(MSG_DEBUG, "%s: no matching interface entry found "
 557                            "for BSSID " MACSTR, __func__, MAC2STR(bss->bssid));
 558                 return NULL;
 559         }
 560
 561         return hapd;
 562 #else /* HOSTAPD */
 563         return NULL;
 564 #endif /* HOSTAPD */
 565 }
 566
 567
 568 static int test_driver_new_sta(struct wpa_driver_test_data *drv,
 569                                struct test_driver_bss *bss, const u8 *addr,
 570                                const u8 *ie, size_t ielen)
 571 {
 572         struct hostapd_data *hapd;
 573
 574         hapd = test_driver_get_hapd(drv, bss);
 575         if (hapd == NULL)
 576                 return -1;
 577
 578 #ifdef HOSTAPD
 579         return hostapd_notif_assoc(hapd, addr, ie, ielen);
 580 #else /* HOSTAPD */
 581         return -1;
 582 #endif /* HOSTAPD */
 583 }
 584
 585
 586 static void test_driver_assoc(struct wpa_driver_test_data *drv,
 587                               struct sockaddr_un *from, socklen_t fromlen,
 588                               char *data)
 589 {
 590         struct test_client_socket *cli;
 591         u8 ie[256], ssid[32];
 592         size_t ielen, ssid_len = 0;
 593         char *pos, *pos2, cmd[50];
 594         struct test_driver_bss *bss;
 595
 596         /* data: STA-addr SSID(hex) IEs(hex) */
 597
 598         cli = os_zalloc(sizeof(*cli));
 599         if (cli == NULL)
 600                 return;
 601
 602         if (hwaddr_aton(data, cli->addr)) {
 603                 printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
 604                        data);
 605                 free(cli);
 606                 return;
 607         }
 608         pos = data + 17;
 609         while (*pos == ' ')
 610                 pos++;
 611         pos2 = strchr(pos, ' ');
 612         ielen = 0;
 613         if (pos2) {
 614                 ssid_len = (pos2 - pos) / 2;
 615                 if (hexstr2bin(pos, ssid, ssid_len) < 0) {
 616                         wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
 617                         free(cli);
 618                         return;
 619                 }
 620                 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
 621                                   ssid, ssid_len);
 622
 623                 pos = pos2 + 1;
 624                 ielen = strlen(pos) / 2;
 625                 if (ielen > sizeof(ie))
 626                         ielen = sizeof(ie);
 627                 if (hexstr2bin(pos, ie, ielen) < 0)
 628                         ielen = 0;
 629         }
 630
 631         for (bss = drv->bss; bss; bss = bss->next) {
 632                 if (bss->ssid_len == ssid_len &&
 633                     memcmp(bss->ssid, ssid, ssid_len) == 0)
 634                         break;
 635         }
 636         if (bss == NULL) {
 637                 wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
 638                            "configured BSSes", __func__);
 639                 free(cli);
 640                 return;
 641         }
 642
 643         cli->bss = bss;
 644         memcpy(&cli->un, from, sizeof(cli->un));
 645         cli->unlen = fromlen;
 646         cli->next = drv->cli;
 647         drv->cli = cli;
 648         wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
 649                           (const u8 *) cli->un.sun_path,
 650                           cli->unlen - sizeof(cli->un.sun_family));
 651
 652         snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
 653                  MAC2STR(bss->bssid));
 654         sendto(drv->test_socket, cmd, strlen(cmd), 0,
 655                (struct sockaddr *) from, fromlen);
 656
 657         if (test_driver_new_sta(drv, bss, cli->addr, ie, ielen) < 0) {
 658                 wpa_printf(MSG_DEBUG, "test_driver: failed to add new STA");
 659         }
 660 }
 661
 662
 663 static void test_driver_disassoc(struct wpa_driver_test_data *drv,
 664                                  struct sockaddr_un *from, socklen_t fromlen)
 665 {
 666         struct test_client_socket *cli;
 667
 668         cli = test_driver_get_cli(drv, from, fromlen);
 669         if (!cli)
 670                 return;
 671
 672 #ifdef HOSTAPD
 673         hostapd_notif_disassoc(drv->hapd, cli->addr);
 674 #endif /* HOSTAPD */
 675 }
 676
 677
 678 static void test_driver_eapol(struct wpa_driver_test_data *drv,
 679                               struct sockaddr_un *from, socklen_t fromlen,
 680                               u8 *data, size_t datalen)
 681 {
 682 #ifdef HOSTAPD
 683         struct test_client_socket *cli;
 684 #endif /* HOSTAPD */
 685         const u8 *src = NULL;
 686
 687         if (datalen > 14) {
 688                 /* Skip Ethernet header */
 689                 src = data + ETH_ALEN;
 690                 wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
 691                            MACSTR " proto=%04x",
 692                            MAC2STR(data), MAC2STR(src),
 693                            WPA_GET_BE16(data + 2 * ETH_ALEN));
 694                 data += 14;
 695                 datalen -= 14;
 696         }
 697 #ifdef HOSTAPD
 698         cli = test_driver_get_cli(drv, from, fromlen);
 699         if (cli) {
 700                 struct hostapd_data *hapd;
 701                 hapd = test_driver_get_hapd(drv, cli->bss);
 702                 if (hapd == NULL)
 703                         return;
 704                 hostapd_eapol_receive(hapd, cli->addr, data, datalen);
 705         } else {
 706                 wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
 707                            "client");
 708         }
 709 #else /* HOSTAPD */
 710         if (src)
 711                 wpa_supplicant_rx_eapol(drv->ctx, src, data, datalen);
 712 #endif /* HOSTAPD */
 713 }
 714
 715
 716 static void test_driver_ether(struct wpa_driver_test_data *drv,
 717                               struct sockaddr_un *from, socklen_t fromlen,
 718                               u8 *data, size_t datalen)
 719 {
 720         struct l2_ethhdr *eth;
 721
 722         if (datalen < sizeof(*eth))
 723                 return;
 724
 725         eth = (struct l2_ethhdr *) data;
 726         wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
 727                    MACSTR " proto=%04x",
 728                    MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
 729                    be_to_host16(eth->h_proto));
 730
 731 #ifdef CONFIG_IEEE80211R
 732         if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
 733 #ifdef HOSTAPD
 734                 wpa_ft_rrb_rx(drv->hapd->wpa_auth, eth->h_source,
 735                               data + sizeof(*eth), datalen - sizeof(*eth));
 736 #endif /* HOSTAPD */
 737         }
 738 #endif /* CONFIG_IEEE80211R */
 739 }
 740
 741
 742 static void test_driver_mlme(struct wpa_driver_test_data *drv,
 743                              struct sockaddr_un *from, socklen_t fromlen,
 744                              u8 *data, size_t datalen)
 745 {
 746         struct ieee80211_hdr *hdr;
 747         u16 fc;
 748
 749         hdr = (struct ieee80211_hdr *) data;
 750
 751         if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
 752                 struct test_client_socket *cli;
 753                 cli = os_zalloc(sizeof(*cli));
 754                 if (cli == NULL)
 755                         return;
 756                 wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
 757                            MAC2STR(hdr->addr2));
 758                 memcpy(cli->addr, hdr->addr2, ETH_ALEN);
 759                 memcpy(&cli->un, from, sizeof(cli->un));
 760                 cli->unlen = fromlen;
 761                 cli->next = drv->cli;
 762                 drv->cli = cli;
 763         }
 764
 765         wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
 766                     data, datalen);
 767         fc = le_to_host16(hdr->frame_control);
 768         if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
 769                 wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
 770                            __func__);
 771                 return;
 772         }
 773 #ifdef HOSTAPD
 774         hostapd_mgmt_rx(drv->hapd, data, datalen, WLAN_FC_GET_STYPE(fc), NULL);
 775 #else /* HOSTAPD */
 776         ap_mgmt_rx(drv->ctx, data, datalen, WLAN_FC_GET_STYPE(fc), NULL);
 777 #endif /* HOSTAPD */
 778 }
 779
 780
 781 static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
 782 {
 783         struct wpa_driver_test_data *drv = eloop_ctx;
 784         char buf[2000];
 785         int res;
 786         struct sockaddr_un from;
 787         socklen_t fromlen = sizeof(from);
 788
 789         res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
 790                        (struct sockaddr *) &from, &fromlen);
 791         if (res < 0) {
 792                 perror("recvfrom(test_socket)");
 793                 return;
 794         }
 795         buf[res] = '\0';
 796
 797         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
 798
 799         if (strncmp(buf, "SCAN", 4) == 0) {
 800                 test_driver_scan(drv, &from, fromlen, buf + 4);
 801         } else if (strncmp(buf, "ASSOC ", 6) == 0) {
 802                 test_driver_assoc(drv, &from, fromlen, buf + 6);
 803         } else if (strcmp(buf, "DISASSOC") == 0) {
 804                 test_driver_disassoc(drv, &from, fromlen);
 805         } else if (strncmp(buf, "EAPOL ", 6) == 0) {
 806                 test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
 807                                   res - 6);
 808         } else if (strncmp(buf, "ETHER ", 6) == 0) {
 809                 test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
 810                                   res - 6);
 811         } else if (strncmp(buf, "MLME ", 5) == 0) {
 812                 test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
 813         } else {
 814                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
 815                                   (u8 *) buf, res);
 816         }
 817 }
 818
 819
 820 static struct test_driver_bss *
 821 test_driver_get_bss(struct wpa_driver_test_data *drv, const char *ifname)
 822 {
 823         struct test_driver_bss *bss;
 824
 825         for (bss = drv->bss; bss; bss = bss->next) {
 826                 if (strcmp(bss->ifname, ifname) == 0)
 827                         return bss;
 828         }
 829         return NULL;
 830 }
 831
 832
 833 static int test_driver_set_generic_elem(const char *ifname, void *priv,
 834                                         const u8 *elem, size_t elem_len)
 835 {
 836         struct wpa_driver_test_data *drv = priv;
 837         struct test_driver_bss *bss;
 838
 839         bss = test_driver_get_bss(drv, ifname);
 840         if (bss == NULL)
 841                 return -1;
 842
 843         free(bss->ie);
 844
 845         if (elem == NULL) {
 846                 bss->ie = NULL;
 847                 bss->ielen = 0;
 848                 return 0;
 849         }
 850
 851         bss->ie = malloc(elem_len);
 852         if (bss->ie == NULL) {
 853                 bss->ielen = 0;
 854                 return -1;
 855         }
 856
 857         memcpy(bss->ie, elem, elem_len);
 858         bss->ielen = elem_len;
 859         return 0;
 860 }
 861
 862
 863 static int test_driver_set_wps_beacon_ie(const char *ifname, void *priv,
 864                                          const u8 *ie, size_t len)
 865 {
 866         struct wpa_driver_test_data *drv = priv;
 867         struct test_driver_bss *bss;
 868
 869         wpa_hexdump(MSG_DEBUG, "test_driver: Beacon WPS IE", ie, len);
 870         bss = test_driver_get_bss(drv, ifname);
 871         if (bss == NULL)
 872                 return -1;
 873
 874         free(bss->wps_beacon_ie);
 875
 876         if (ie == NULL) {
 877                 bss->wps_beacon_ie = NULL;
 878                 bss->wps_beacon_ie_len = 0;
 879                 return 0;
 880         }
 881
 882         bss->wps_beacon_ie = malloc(len);
 883         if (bss->wps_beacon_ie == NULL) {
 884                 bss->wps_beacon_ie_len = 0;
 885                 return -1;
 886         }
 887
 888         memcpy(bss->wps_beacon_ie, ie, len);
 889         bss->wps_beacon_ie_len = len;
 890         return 0;
 891 }
 892
 893
 894 static int test_driver_set_wps_probe_resp_ie(const char *ifname, void *priv,
 895                                              const u8 *ie, size_t len)
 896 {
 897         struct wpa_driver_test_data *drv = priv;
 898         struct test_driver_bss *bss;
 899
 900         wpa_hexdump(MSG_DEBUG, "test_driver: ProbeResp WPS IE", ie, len);
 901         bss = test_driver_get_bss(drv, ifname);
 902         if (bss == NULL)
 903                 return -1;
 904
 905         free(bss->wps_probe_resp_ie);
 906
 907         if (ie == NULL) {
 908                 bss->wps_probe_resp_ie = NULL;
 909                 bss->wps_probe_resp_ie_len = 0;
 910                 return 0;
 911         }
 912
 913         bss->wps_probe_resp_ie = malloc(len);
 914         if (bss->wps_probe_resp_ie == NULL) {
 915                 bss->wps_probe_resp_ie_len = 0;
 916                 return -1;
 917         }
 918
 919         memcpy(bss->wps_probe_resp_ie, ie, len);
 920         bss->wps_probe_resp_ie_len = len;
 921         return 0;
 922 }
 923
 924
 925 static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
 926                                   const u8 *addr, int reason)
 927 {
 928         struct wpa_driver_test_data *drv = priv;
 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, "DEAUTH", 6, 0,
 945                       (struct sockaddr *) &cli->un, cli->unlen);
 946 }
 947
 948
 949 static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
 950                                     const u8 *addr, int reason)
 951 {
 952         struct wpa_driver_test_data *drv = priv;
 953         struct test_client_socket *cli;
 954
 955         if (drv->test_socket < 0)
 956                 return -1;
 957
 958         cli = drv->cli;
 959         while (cli) {
 960                 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
 961                         break;
 962                 cli = cli->next;
 963         }
 964
 965         if (!cli)
 966                 return -1;
 967
 968         return sendto(drv->test_socket, "DISASSOC", 8, 0,
 969                       (struct sockaddr *) &cli->un, cli->unlen);
 970 }
 971
 972
 973 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid)
 974 {
 975         struct wpa_driver_test_data *drv = priv;
 976         struct test_driver_bss *bss;
 977
 978         wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
 979                    __func__, ifname, MAC2STR(bssid));
 980
 981         bss = os_zalloc(sizeof(*bss));
 982         if (bss == NULL)
 983                 return -1;
 984
 985         os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
 986         memcpy(bss->bssid, bssid, ETH_ALEN);
 987
 988         bss->next = drv->bss;
 989         drv->bss = bss;
 990
 991         return 0;
 992 }
 993
 994
 995 static int test_driver_bss_remove(void *priv, const char *ifname)
 996 {
 997         struct wpa_driver_test_data *drv = priv;
 998         struct test_driver_bss *bss, *prev;
 999         struct test_client_socket *cli, *prev_c;
1000
1001         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
1002
1003         for (prev = NULL, bss = drv->bss; bss; prev = bss, bss = bss->next) {
1004                 if (strcmp(bss->ifname, ifname) != 0)
1005                         continue;
1006
1007                 if (prev)
1008                         prev->next = bss->next;
1009                 else
1010                         drv->bss = bss->next;
1011
1012                 for (prev_c = NULL, cli = drv->cli; cli;
1013                      prev_c = cli, cli = cli->next) {
1014                         if (cli->bss != bss)
1015                                 continue;
1016                         if (prev_c)
1017                                 prev_c->next = cli->next;
1018                         else
1019                                 drv->cli = cli->next;
1020                         free(cli);
1021                         break;
1022                 }
1023
1024                 test_driver_free_bss(bss);
1025                 return 0;
1026         }
1027
1028         return -1;
1029 }
1030
1031
1032 static int test_driver_if_add(const char *iface, void *priv,
1033                               enum hostapd_driver_if_type type, char *ifname,
1034                               const u8 *addr)
1035 {
1036         wpa_printf(MSG_DEBUG, "%s(iface=%s type=%d ifname=%s)",
1037                    __func__, iface, type, ifname);
1038         return 0;
1039 }
1040
1041
1042 static int test_driver_if_update(void *priv, enum hostapd_driver_if_type type,
1043                                  char *ifname, const u8 *addr)
1044 {
1045         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1046         return 0;
1047 }
1048
1049
1050 static int test_driver_if_remove(void *priv, enum hostapd_driver_if_type type,
1051                                  const char *ifname, const u8 *addr)
1052 {
1053         wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1054         return 0;
1055 }
1056
1057
1058 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1059                                       const u8 *mask)
1060 {
1061         return 0;
1062 }
1063
1064
1065 static int test_driver_set_ssid(const char *ifname, void *priv, const u8 *buf,
1066                                 int len)
1067 {
1068         struct wpa_driver_test_data *drv = priv;
1069         struct test_driver_bss *bss;
1070
1071         wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
1072         wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1073
1074         for (bss = drv->bss; bss; bss = bss->next) {
1075                 if (strcmp(bss->ifname, ifname) != 0)
1076                         continue;
1077
1078                 if (len < 0 || (size_t) len > sizeof(bss->ssid))
1079                         return -1;
1080
1081                 memcpy(bss->ssid, buf, len);
1082                 bss->ssid_len = len;
1083
1084                 return 0;
1085         }
1086
1087         return -1;
1088 }
1089
1090
1091 static int test_driver_set_privacy(const char *ifname, void *priv, int enabled)
1092 {
1093         struct wpa_driver_test_data *drv = priv;
1094         struct test_driver_bss *bss;
1095
1096         wpa_printf(MSG_DEBUG, "%s(ifname=%s enabled=%d)",
1097                    __func__, ifname, enabled);
1098
1099         for (bss = drv->bss; bss; bss = bss->next) {
1100                 if (strcmp(bss->ifname, ifname) != 0)
1101                         continue;
1102
1103                 bss->privacy = enabled;
1104
1105                 return 0;
1106         }
1107
1108         return -1;
1109 }
1110
1111
1112 static int test_driver_set_key(const char *iface, void *priv, wpa_alg alg,
1113                                const u8 *addr, int key_idx, int set_tx,
1114                                const u8 *seq, size_t seq_len,
1115                                const u8 *key, size_t key_len)
1116 {
1117         wpa_printf(MSG_DEBUG, "%s(iface=%s alg=%d idx=%d set_tx=%d)",
1118                    __func__, iface, alg, key_idx, set_tx);
1119         if (addr)
1120                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
1121         if (key)
1122                 wpa_hexdump_key(MSG_DEBUG, "   key", key, key_len);
1123         return 0;
1124 }
1125
1126
1127 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1128                                     const char *ifname, int vlan_id)
1129 {
1130         wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1131                    __func__, MAC2STR(addr), ifname, vlan_id);
1132         return 0;
1133 }
1134
1135
1136 static int test_driver_sta_add(const char *ifname, void *priv,
1137                                struct hostapd_sta_add_params *params)
1138 {
1139         struct wpa_driver_test_data *drv = priv;
1140         struct test_client_socket *cli;
1141         struct test_driver_bss *bss;
1142
1143         wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1144                    "capability=0x%x flags=0x%x listen_interval=%d)",
1145                    __func__, ifname, MAC2STR(params->addr), params->aid,
1146                    params->capability, params->flags,
1147                    params->listen_interval);
1148         wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1149                     params->supp_rates, params->supp_rates_len);
1150
1151         cli = drv->cli;
1152         while (cli) {
1153                 if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
1154                         break;
1155                 cli = cli->next;
1156         }
1157         if (!cli) {
1158                 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1159                            __func__);
1160                 return -1;
1161         }
1162
1163         for (bss = drv->bss; bss; bss = bss->next) {
1164                 if (strcmp(ifname, bss->ifname) == 0)
1165                         break;
1166         }
1167         if (bss == NULL) {
1168                 wpa_printf(MSG_DEBUG, "%s: No matching interface found from "
1169                            "configured BSSes", __func__);
1170                 return -1;
1171         }
1172
1173         cli->bss = bss;
1174
1175         return 0;
1176 }
1177
1178
1179 static void * test_driver_init(struct hostapd_data *hapd,
1180                                struct wpa_init_params *params)
1181 {
1182         struct wpa_driver_test_data *drv;
1183         struct sockaddr_un addr_un;
1184         struct sockaddr_in addr_in;
1185         struct sockaddr *addr;
1186         socklen_t alen;
1187
1188         drv = os_zalloc(sizeof(struct wpa_driver_test_data));
1189         if (drv == NULL) {
1190                 printf("Could not allocate memory for test driver data\n");
1191                 return NULL;
1192         }
1193         drv->bss = os_zalloc(sizeof(*drv->bss));
1194         if (drv->bss == NULL) {
1195                 printf("Could not allocate memory for test driver BSS data\n");
1196                 free(drv);
1197                 return NULL;
1198         }
1199
1200         drv->hapd = hapd;
1201
1202         /* Generate a MAC address to help testing with multiple APs */
1203         params->own_addr[0] = 0x02; /* locally administered */
1204         sha1_prf((const u8 *) params->ifname, strlen(params->ifname),
1205                  "hostapd test bssid generation",
1206                  params->ssid, params->ssid_len,
1207                  params->own_addr + 1, ETH_ALEN - 1);
1208
1209         os_strlcpy(drv->bss->ifname, params->ifname, IFNAMSIZ);
1210         memcpy(drv->bss->bssid, params->own_addr, ETH_ALEN);
1211
1212         if (params->test_socket) {
1213                 if (os_strlen(params->test_socket) >=
1214                     sizeof(addr_un.sun_path)) {
1215                         printf("Too long test_socket path\n");
1216                         wpa_driver_test_deinit(drv);
1217                         return NULL;
1218                 }
1219                 if (strncmp(params->test_socket, "DIR:", 4) == 0) {
1220                         size_t len = strlen(params->test_socket) + 30;
1221                         drv->test_dir = strdup(params->test_socket + 4);
1222                         drv->own_socket_path = malloc(len);
1223                         if (drv->own_socket_path) {
1224                                 snprintf(drv->own_socket_path, len,
1225                                          "%s/AP-" MACSTR,
1226                                          params->test_socket + 4,
1227                                          MAC2STR(params->own_addr));
1228                         }
1229                 } else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
1230                         drv->udp_port = atoi(params->test_socket + 4);
1231                 } else {
1232                         drv->own_socket_path = strdup(params->test_socket);
1233                 }
1234                 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1235                         wpa_driver_test_deinit(drv);
1236                         return NULL;
1237                 }
1238
1239                 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1240                                           SOCK_DGRAM, 0);
1241                 if (drv->test_socket < 0) {
1242                         perror("socket");
1243                         wpa_driver_test_deinit(drv);
1244                         return NULL;
1245                 }
1246
1247                 if (drv->udp_port) {
1248                         os_memset(&addr_in, 0, sizeof(addr_in));
1249                         addr_in.sin_family = AF_INET;
1250                         addr_in.sin_port = htons(drv->udp_port);
1251                         addr = (struct sockaddr *) &addr_in;
1252                         alen = sizeof(addr_in);
1253                 } else {
1254                         os_memset(&addr_un, 0, sizeof(addr_un));
1255                         addr_un.sun_family = AF_UNIX;
1256                         os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1257                                    sizeof(addr_un.sun_path));
1258                         addr = (struct sockaddr *) &addr_un;
1259                         alen = sizeof(addr_un);
1260                 }
1261                 if (bind(drv->test_socket, addr, alen) < 0) {
1262                         perror("bind(PF_UNIX)");
1263                         close(drv->test_socket);
1264                         if (drv->own_socket_path)
1265                                 unlink(drv->own_socket_path);
1266                         wpa_driver_test_deinit(drv);
1267                         return NULL;
1268                 }
1269                 eloop_register_read_sock(drv->test_socket,
1270                                          test_driver_receive_unix, drv, NULL);
1271         } else
1272                 drv->test_socket = -1;
1273
1274         return drv;
1275 }
1276
1277
1278 static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
1279 {
1280         struct wpa_driver_test_data *drv = eloop_ctx;
1281
1282 #ifdef DRIVER_TEST_UNIX
1283         if (drv->associated && drv->hostapd_addr_set) {
1284                 struct stat st;
1285                 if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
1286                         wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
1287                                    __func__, strerror(errno));
1288                         drv->associated = 0;
1289                         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1290                 }
1291         }
1292 #endif /* DRIVER_TEST_UNIX */
1293
1294         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1295 }
1296
1297
1298 static int wpa_driver_test_set_wpa(void *priv, int enabled)
1299 {
1300         wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
1301         return 0;
1302 }
1303
1304
1305 static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1306 {
1307         wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1308         wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1309 }
1310
1311
1312 #ifdef DRIVER_TEST_UNIX
1313 static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
1314                                 const char *path)
1315 {
1316         struct dirent *dent;
1317         DIR *dir;
1318         struct sockaddr_un addr;
1319         char cmd[512], *pos, *end;
1320         int ret;
1321
1322         dir = opendir(path);
1323         if (dir == NULL)
1324                 return;
1325
1326         end = cmd + sizeof(cmd);
1327         pos = cmd;
1328         ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
1329                           MAC2STR(drv->own_addr));
1330         if (ret >= 0 && ret < end - pos)
1331                 pos += ret;
1332         if (drv->probe_req_ie) {
1333                 ret = os_snprintf(pos, end - pos, " ");
1334                 if (ret >= 0 && ret < end - pos)
1335                         pos += ret;
1336                 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
1337                                         drv->probe_req_ie_len);
1338         }
1339         end[-1] = '\0';
1340
1341         while ((dent = readdir(dir))) {
1342                 if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
1343                     os_strncmp(dent->d_name, "STA-", 4) != 0)
1344                         continue;
1345                 if (drv->own_socket_path) {
1346                         size_t olen, dlen;
1347                         olen = os_strlen(drv->own_socket_path);
1348                         dlen = os_strlen(dent->d_name);
1349                         if (olen >= dlen &&
1350                             os_strcmp(dent->d_name,
1351                                       drv->own_socket_path + olen - dlen) == 0)
1352                                 continue;
1353                 }
1354                 wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
1355
1356                 os_memset(&addr, 0, sizeof(addr));
1357                 addr.sun_family = AF_UNIX;
1358                 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
1359                             path, dent->d_name);
1360
1361                 if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1362                            (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1363                         perror("sendto(test_socket)");
1364                 }
1365         }
1366         closedir(dir);
1367 }
1368 #endif /* DRIVER_TEST_UNIX */
1369
1370
1371 static int wpa_driver_test_scan(void *priv,
1372                                 struct wpa_driver_scan_params *params)
1373 {
1374         struct wpa_driver_test_data *drv = priv;
1375         size_t i;
1376
1377         wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
1378         for (i = 0; i < params->num_ssids; i++)
1379                 wpa_hexdump(MSG_DEBUG, "Scan SSID",
1380                             params->ssids[i].ssid, params->ssids[i].ssid_len);
1381         wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
1382                     params->extra_ies, params->extra_ies_len);
1383
1384         drv->num_scanres = 0;
1385
1386 #ifdef DRIVER_TEST_UNIX
1387         if (drv->test_socket >= 0 && drv->test_dir)
1388                 wpa_driver_scan_dir(drv, drv->test_dir);
1389
1390         if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
1391             sendto(drv->test_socket, "SCAN", 4, 0,
1392                    (struct sockaddr *) &drv->hostapd_addr,
1393                    sizeof(drv->hostapd_addr)) < 0) {
1394                 perror("sendto(test_socket)");
1395         }
1396 #endif /* DRIVER_TEST_UNIX */
1397
1398         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1399             sendto(drv->test_socket, "SCAN", 4, 0,
1400                    (struct sockaddr *) &drv->hostapd_addr_udp,
1401                    sizeof(drv->hostapd_addr_udp)) < 0) {
1402                 perror("sendto(test_socket)");
1403         }
1404
1405         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1406         eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
1407                                drv->ctx);
1408         return 0;
1409 }
1410
1411
1412 static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
1413 {
1414         struct wpa_driver_test_data *drv = priv;
1415         struct wpa_scan_results *res;
1416         size_t i;
1417
1418         res = os_zalloc(sizeof(*res));
1419         if (res == NULL)
1420                 return NULL;
1421
1422         res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
1423         if (res->res == NULL) {
1424                 os_free(res);
1425                 return NULL;
1426         }
1427
1428         for (i = 0; i < drv->num_scanres; i++) {
1429                 struct wpa_scan_res *r;
1430                 if (drv->scanres[i] == NULL)
1431                         continue;
1432                 r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
1433                 if (r == NULL)
1434                         break;
1435                 os_memcpy(r, drv->scanres[i],
1436                           sizeof(*r) + drv->scanres[i]->ie_len);
1437                 res->res[res->num++] = r;
1438         }
1439
1440         return res;
1441 }
1442
1443
1444 static int wpa_driver_test_set_key(void *priv, wpa_alg alg, const u8 *addr,
1445                                    int key_idx, int set_tx,
1446                                    const u8 *seq, size_t seq_len,
1447                                    const u8 *key, size_t key_len)
1448 {
1449         wpa_printf(MSG_DEBUG, "%s: priv=%p alg=%d key_idx=%d set_tx=%d",
1450                    __func__, priv, alg, key_idx, set_tx);
1451         if (addr) {
1452                 wpa_printf(MSG_DEBUG, "   addr=" MACSTR, MAC2STR(addr));
1453         }
1454         if (seq) {
1455                 wpa_hexdump(MSG_DEBUG, "   seq", seq, seq_len);
1456         }
1457         if (key) {
1458                 wpa_hexdump(MSG_DEBUG, "   key", key, key_len);
1459         }
1460         return 0;
1461 }
1462
1463
1464 static int wpa_driver_test_associate(
1465         void *priv, struct wpa_driver_associate_params *params)
1466 {
1467         struct wpa_driver_test_data *drv = priv;
1468         wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
1469                    "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
1470                    __func__, priv, params->freq, params->pairwise_suite,
1471                    params->group_suite, params->key_mgmt_suite,
1472                    params->auth_alg, params->mode);
1473         if (params->bssid) {
1474                 wpa_printf(MSG_DEBUG, "   bssid=" MACSTR,
1475                            MAC2STR(params->bssid));
1476         }
1477         if (params->ssid) {
1478                 wpa_hexdump_ascii(MSG_DEBUG, "   ssid",
1479                                   params->ssid, params->ssid_len);
1480         }
1481         if (params->wpa_ie) {
1482                 wpa_hexdump(MSG_DEBUG, "   wpa_ie",
1483                             params->wpa_ie, params->wpa_ie_len);
1484                 drv->assoc_wpa_ie_len = params->wpa_ie_len;
1485                 if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
1486                         drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
1487                 os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
1488                           drv->assoc_wpa_ie_len);
1489         } else
1490                 drv->assoc_wpa_ie_len = 0;
1491
1492         if (params->mode == IEEE80211_MODE_AP && !drv->ap) {
1493                 wpa_driver_test_close_test_socket(drv);
1494                 wpa_driver_test_attach(drv, drv->test_dir, 1);
1495                 drv->ap = 1;
1496         } else if (params->mode != IEEE80211_MODE_AP && drv->ap) {
1497                 wpa_driver_test_close_test_socket(drv);
1498                 wpa_driver_test_attach(drv, drv->test_dir, 0);
1499                 drv->ap = 0;
1500         }
1501
1502         drv->ibss = params->mode == IEEE80211_MODE_IBSS;
1503         drv->privacy = params->key_mgmt_suite &
1504                 (WPA_KEY_MGMT_IEEE8021X |
1505                  WPA_KEY_MGMT_PSK |
1506                  WPA_KEY_MGMT_WPA_NONE |
1507                  WPA_KEY_MGMT_FT_IEEE8021X |
1508                  WPA_KEY_MGMT_FT_PSK |
1509                  WPA_KEY_MGMT_IEEE8021X_SHA256 |
1510                  WPA_KEY_MGMT_PSK_SHA256);
1511         if (params->wep_key_len[params->wep_tx_keyidx])
1512                 drv->privacy = 1;
1513
1514 #ifdef DRIVER_TEST_UNIX
1515         if (drv->test_dir && params->bssid &&
1516             params->mode != IEEE80211_MODE_IBSS) {
1517                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
1518                 drv->hostapd_addr.sun_family = AF_UNIX;
1519                 os_snprintf(drv->hostapd_addr.sun_path,
1520                             sizeof(drv->hostapd_addr.sun_path),
1521                             "%s/AP-" MACSTR,
1522                             drv->test_dir, MAC2STR(params->bssid));
1523                 drv->hostapd_addr_set = 1;
1524         }
1525 #endif /* DRIVER_TEST_UNIX */
1526
1527         if (drv->test_socket >= 0 &&
1528             (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
1529                 char cmd[200], *pos, *end;
1530                 int ret;
1531                 end = cmd + sizeof(cmd);
1532                 pos = cmd;
1533                 ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
1534                                   MAC2STR(drv->own_addr));
1535                 if (ret >= 0 && ret < end - pos)
1536                         pos += ret;
1537                 pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
1538                                         params->ssid_len);
1539                 ret = os_snprintf(pos, end - pos, " ");
1540                 if (ret >= 0 && ret < end - pos)
1541                         pos += ret;
1542                 pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
1543                                         params->wpa_ie_len);
1544                 end[-1] = '\0';
1545 #ifdef DRIVER_TEST_UNIX
1546                 if (drv->hostapd_addr_set &&
1547                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1548                            (struct sockaddr *) &drv->hostapd_addr,
1549                            sizeof(drv->hostapd_addr)) < 0) {
1550                         perror("sendto(test_socket)");
1551                         return -1;
1552                 }
1553 #endif /* DRIVER_TEST_UNIX */
1554                 if (drv->hostapd_addr_udp_set &&
1555                     sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1556                            (struct sockaddr *) &drv->hostapd_addr_udp,
1557                            sizeof(drv->hostapd_addr_udp)) < 0) {
1558                         perror("sendto(test_socket)");
1559                         return -1;
1560                 }
1561
1562                 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
1563                 drv->ssid_len = params->ssid_len;
1564         } else {
1565                 drv->associated = 1;
1566                 if (params->mode == IEEE80211_MODE_IBSS) {
1567                         os_memcpy(drv->ssid, params->ssid, params->ssid_len);
1568                         drv->ssid_len = params->ssid_len;
1569                         if (params->bssid)
1570                                 os_memcpy(drv->bssid, params->bssid, ETH_ALEN);
1571                         else {
1572                                 os_get_random(drv->bssid, ETH_ALEN);
1573                                 drv->bssid[0] &= ~0x01;
1574                                 drv->bssid[0] |= 0x02;
1575                         }
1576                 }
1577                 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1578         }
1579
1580         return 0;
1581 }
1582
1583
1584 static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
1585 {
1586         struct wpa_driver_test_data *drv = priv;
1587         os_memcpy(bssid, drv->bssid, ETH_ALEN);
1588         return 0;
1589 }
1590
1591
1592 static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
1593 {
1594         struct wpa_driver_test_data *drv = priv;
1595         os_memcpy(ssid, drv->ssid, 32);
1596         return drv->ssid_len;
1597 }
1598
1599
1600 static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
1601 {
1602 #ifdef DRIVER_TEST_UNIX
1603         if (drv->test_socket >= 0 &&
1604             sendto(drv->test_socket, "DISASSOC", 8, 0,
1605                    (struct sockaddr *) &drv->hostapd_addr,
1606                    sizeof(drv->hostapd_addr)) < 0) {
1607                 perror("sendto(test_socket)");
1608                 return -1;
1609         }
1610 #endif /* DRIVER_TEST_UNIX */
1611         if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1612             sendto(drv->test_socket, "DISASSOC", 8, 0,
1613                    (struct sockaddr *) &drv->hostapd_addr_udp,
1614                    sizeof(drv->hostapd_addr_udp)) < 0) {
1615                 perror("sendto(test_socket)");
1616                 return -1;
1617         }
1618         return 0;
1619 }
1620
1621
1622 static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
1623                                           int reason_code)
1624 {
1625         struct wpa_driver_test_data *drv = priv;
1626         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1627                    __func__, MAC2STR(addr), reason_code);
1628         os_memset(drv->bssid, 0, ETH_ALEN);
1629         drv->associated = 0;
1630         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1631         return wpa_driver_test_send_disassoc(drv);
1632 }
1633
1634
1635 static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
1636                                         int reason_code)
1637 {
1638         struct wpa_driver_test_data *drv = priv;
1639         wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1640                    __func__, MAC2STR(addr), reason_code);
1641         os_memset(drv->bssid, 0, ETH_ALEN);
1642         drv->associated = 0;
1643         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1644         return wpa_driver_test_send_disassoc(drv);
1645 }
1646
1647
1648 static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
1649                                      struct sockaddr *from,
1650                                      socklen_t fromlen,
1651                                      const char *data)
1652 {
1653         struct wpa_scan_res *res;
1654         const char *pos, *pos2;
1655         size_t len;
1656         u8 *ie_pos, *ie_start, *ie_end;
1657 #define MAX_IE_LEN 1000
1658
1659         wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
1660         if (drv->num_scanres >= MAX_SCAN_RESULTS) {
1661                 wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
1662                            "result");
1663                 return;
1664         }
1665
1666         /* SCANRESP BSSID SSID IEs */
1667
1668         res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
1669         if (res == NULL)
1670                 return;
1671         ie_start = ie_pos = (u8 *) (res + 1);
1672         ie_end = ie_pos + MAX_IE_LEN;
1673
1674         if (hwaddr_aton(data, res->bssid)) {
1675                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
1676                 os_free(res);
1677                 return;
1678         }
1679
1680         pos = data + 17;
1681         while (*pos == ' ')
1682                 pos++;
1683         pos2 = os_strchr(pos, ' ');
1684         if (pos2 == NULL) {
1685                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
1686                            "in scanres");
1687                 os_free(res);
1688                 return;
1689         }
1690         len = (pos2 - pos) / 2;
1691         if (len > 32)
1692                 len = 32;
1693         /*
1694          * Generate SSID IE from the SSID field since this IE is not included
1695          * in the main IE field.
1696          */
1697         *ie_pos++ = WLAN_EID_SSID;
1698         *ie_pos++ = len;
1699         if (hexstr2bin(pos, ie_pos, len) < 0) {
1700                 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
1701                 os_free(res);
1702                 return;
1703         }
1704         ie_pos += len;
1705
1706         pos = pos2 + 1;
1707         pos2 = os_strchr(pos, ' ');
1708         if (pos2 == NULL)
1709                 len = os_strlen(pos) / 2;
1710         else
1711                 len = (pos2 - pos) / 2;
1712         if ((int) len > ie_end - ie_pos)
1713                 len = ie_end - ie_pos;
1714         if (hexstr2bin(pos, ie_pos, len) < 0) {
1715                 wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
1716                 os_free(res);
1717                 return;
1718         }
1719         ie_pos += len;
1720         res->ie_len = ie_pos - ie_start;
1721
1722         if (pos2) {
1723                 pos = pos2 + 1;
1724                 while (*pos == ' ')
1725                         pos++;
1726                 if (os_strstr(pos, "PRIVACY"))
1727                         res->caps |= IEEE80211_CAP_PRIVACY;
1728                 if (os_strstr(pos, "IBSS"))
1729                         res->caps |= IEEE80211_CAP_IBSS;
1730         }
1731
1732         os_free(drv->scanres[drv->num_scanres]);
1733         drv->scanres[drv->num_scanres++] = res;
1734 }
1735
1736
1737 static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
1738                                       struct sockaddr *from,
1739                                       socklen_t fromlen,
1740                                       const char *data)
1741 {
1742         /* ASSOCRESP BSSID <res> */
1743         if (hwaddr_aton(data, drv->bssid)) {
1744                 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
1745                            "assocresp");
1746         }
1747         if (drv->use_associnfo) {
1748                 union wpa_event_data event;
1749                 os_memset(&event, 0, sizeof(event));
1750                 event.assoc_info.req_ies = drv->assoc_wpa_ie;
1751                 event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
1752                 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
1753         }
1754         drv->associated = 1;
1755         wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1756 }
1757
1758
1759 static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
1760                                      struct sockaddr *from,
1761                                      socklen_t fromlen)
1762 {
1763         drv->associated = 0;
1764         wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1765 }
1766
1767
1768 static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
1769                                   struct sockaddr *from,
1770                                   socklen_t fromlen,
1771                                   const u8 *data, size_t data_len)
1772 {
1773         const u8 *src = drv->bssid;
1774
1775         if (data_len > 14) {
1776                 /* Skip Ethernet header */
1777                 src = data + ETH_ALEN;
1778                 data += 14;
1779                 data_len -= 14;
1780         }
1781 #ifndef HOSTAPD
1782         wpa_supplicant_rx_eapol(drv->ctx, src, data, data_len);
1783 #endif /* HOSTAPD */
1784 }
1785
1786
1787 static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
1788                                  struct sockaddr *from,
1789                                  socklen_t fromlen,
1790                                  const u8 *data, size_t data_len)
1791 {
1792 #ifdef CONFIG_CLIENT_MLME
1793         struct ieee80211_rx_status rx_status;
1794         os_memset(&rx_status, 0, sizeof(rx_status));
1795         wpa_supplicant_sta_rx(drv->ctx, data, data_len, &rx_status);
1796 #endif /* CONFIG_CLIENT_MLME */
1797 }
1798
1799
1800 static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
1801                                      struct sockaddr *from,
1802                                      socklen_t fromlen,
1803                                      const u8 *data, size_t data_len)
1804 {
1805         char buf[512], *pos, *end;
1806         int ret;
1807
1808         /* data: optional [ STA-addr | ' ' | IEs(hex) ] */
1809
1810         if (!drv->ibss)
1811                 return;
1812
1813         pos = buf;
1814         end = buf + sizeof(buf);
1815
1816         /* reply: SCANRESP BSSID SSID IEs */
1817         ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
1818                        MAC2STR(drv->bssid));
1819         if (ret < 0 || ret >= end - pos)
1820                 return;
1821         pos += ret;
1822         pos += wpa_snprintf_hex(pos, end - pos,
1823                                 drv->ssid, drv->ssid_len);
1824         ret = snprintf(pos, end - pos, " ");
1825         if (ret < 0 || ret >= end - pos)
1826                 return;
1827         pos += ret;
1828         pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
1829                                 drv->assoc_wpa_ie_len);
1830
1831         if (drv->privacy) {
1832                 ret = snprintf(pos, end - pos, " PRIVACY");
1833                 if (ret < 0 || ret >= end - pos)
1834                         return;
1835                 pos += ret;
1836         }
1837
1838         ret = snprintf(pos, end - pos, " IBSS");
1839         if (ret < 0 || ret >= end - pos)
1840                 return;
1841         pos += ret;
1842
1843         sendto(drv->test_socket, buf, pos - buf, 0,
1844                (struct sockaddr *) from, fromlen);
1845 }
1846
1847
1848 static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
1849                                          void *sock_ctx)
1850 {
1851         struct wpa_driver_test_data *drv = eloop_ctx;
1852         char *buf;
1853         int res;
1854         struct sockaddr_storage from;
1855         socklen_t fromlen = sizeof(from);
1856         const size_t buflen = 2000;
1857
1858         if (drv->ap) {
1859                 test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
1860                 return;
1861         }
1862
1863         buf = os_malloc(buflen);
1864         if (buf == NULL)
1865                 return;
1866         res = recvfrom(sock, buf, buflen - 1, 0,
1867                        (struct sockaddr *) &from, &fromlen);
1868         if (res < 0) {
1869                 perror("recvfrom(test_socket)");
1870                 os_free(buf);
1871                 return;
1872         }
1873         buf[res] = '\0';
1874
1875         wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
1876
1877         if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
1878                 wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
1879                                          fromlen, buf + 9);
1880         } else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
1881                 wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
1882                                           fromlen, buf + 10);
1883         } else if (os_strcmp(buf, "DISASSOC") == 0) {
1884                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1885                                          fromlen);
1886         } else if (os_strcmp(buf, "DEAUTH") == 0) {
1887                 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1888                                          fromlen);
1889         } else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
1890                 wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
1891                                       (const u8 *) buf + 6, res - 6);
1892         } else if (os_strncmp(buf, "MLME ", 5) == 0) {
1893                 wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
1894                                      (const u8 *) buf + 5, res - 5);
1895         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
1896                 wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
1897                                          fromlen,
1898                                          (const u8 *) buf + 5, res - 5);
1899         } else {
1900                 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
1901                                   (u8 *) buf, res);
1902         }
1903         os_free(buf);
1904 }
1905
1906
1907 static void * wpa_driver_test_init2(void *ctx, const char *ifname,
1908                                     void *global_priv)
1909 {
1910         struct wpa_driver_test_data *drv;
1911
1912         drv = os_zalloc(sizeof(*drv));
1913         if (drv == NULL)
1914                 return NULL;
1915         drv->global = global_priv;
1916         drv->ctx = ctx;
1917         drv->test_socket = -1;
1918
1919         /* Set dummy BSSID and SSID for testing. */
1920         drv->bssid[0] = 0x02;
1921         drv->bssid[1] = 0x00;
1922         drv->bssid[2] = 0x00;
1923         drv->bssid[3] = 0x00;
1924         drv->bssid[4] = 0x00;
1925         drv->bssid[5] = 0x01;
1926         os_memcpy(drv->ssid, "test", 5);
1927         drv->ssid_len = 4;
1928
1929         /* Generate a MAC address to help testing with multiple STAs */
1930         drv->own_addr[0] = 0x02; /* locally administered */
1931         sha1_prf((const u8 *) ifname, os_strlen(ifname),
1932                  "wpa_supplicant test mac addr generation",
1933                  NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
1934         eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1935
1936         return drv;
1937 }
1938
1939
1940 static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
1941 {
1942         if (drv->test_socket >= 0) {
1943                 eloop_unregister_read_sock(drv->test_socket);
1944                 close(drv->test_socket);
1945                 drv->test_socket = -1;
1946         }
1947
1948         if (drv->own_socket_path) {
1949                 unlink(drv->own_socket_path);
1950                 os_free(drv->own_socket_path);
1951                 drv->own_socket_path = NULL;
1952         }
1953 }
1954
1955
1956 static void wpa_driver_test_deinit(void *priv)
1957 {
1958         struct wpa_driver_test_data *drv = priv;
1959         struct test_client_socket *cli, *prev;
1960         struct test_driver_bss *bss, *prev_bss;
1961         int i;
1962
1963         cli = drv->cli;
1964         while (cli) {
1965                 prev = cli;
1966                 cli = cli->next;
1967                 os_free(prev);
1968         }
1969
1970 #ifdef HOSTAPD
1971         /* There should be only one BSS remaining at this point. */
1972         if (drv->bss == NULL)
1973                 wpa_printf(MSG_ERROR, "%s: drv->bss == NULL", __func__);
1974         else if (drv->bss->next)
1975                 wpa_printf(MSG_ERROR, "%s: drv->bss->next != NULL", __func__);
1976 #endif /* HOSTAPD */
1977
1978         bss = drv->bss;
1979         while (bss) {
1980                 prev_bss = bss;
1981                 bss = bss->next;
1982                 test_driver_free_bss(prev_bss);
1983         }
1984
1985         wpa_driver_test_close_test_socket(drv);
1986         eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1987         eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
1988         os_free(drv->test_dir);
1989         for (i = 0; i < MAX_SCAN_RESULTS; i++)
1990                 os_free(drv->scanres[i]);
1991         os_free(drv->probe_req_ie);
1992         os_free(drv);
1993 }
1994
1995
1996 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
1997                                   const char *dir, int ap)
1998 {
1999 #ifdef DRIVER_TEST_UNIX
2000         static unsigned int counter = 0;
2001         struct sockaddr_un addr;
2002         size_t len;
2003
2004         os_free(drv->own_socket_path);
2005         if (dir) {
2006                 len = os_strlen(dir) + 30;
2007                 drv->own_socket_path = os_malloc(len);
2008                 if (drv->own_socket_path == NULL)
2009                         return -1;
2010                 os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
2011                             dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
2012         } else {
2013                 drv->own_socket_path = os_malloc(100);
2014                 if (drv->own_socket_path == NULL)
2015                         return -1;
2016                 os_snprintf(drv->own_socket_path, 100,
2017                             "/tmp/wpa_supplicant_test-%d-%d",
2018                             getpid(), counter++);
2019         }
2020
2021         drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
2022         if (drv->test_socket < 0) {
2023                 perror("socket(PF_UNIX)");
2024                 os_free(drv->own_socket_path);
2025                 drv->own_socket_path = NULL;
2026                 return -1;
2027         }
2028
2029         os_memset(&addr, 0, sizeof(addr));
2030         addr.sun_family = AF_UNIX;
2031         os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
2032         if (bind(drv->test_socket, (struct sockaddr *) &addr,
2033                  sizeof(addr)) < 0) {
2034                 perror("bind(PF_UNIX)");
2035                 close(drv->test_socket);
2036                 unlink(drv->own_socket_path);
2037                 os_free(drv->own_socket_path);
2038                 drv->own_socket_path = NULL;
2039                 return -1;
2040         }
2041
2042         eloop_register_read_sock(drv->test_socket,
2043                                  wpa_driver_test_receive_unix, drv, NULL);
2044
2045         return 0;
2046 #else /* DRIVER_TEST_UNIX */
2047         return -1;
2048 #endif /* DRIVER_TEST_UNIX */
2049 }
2050
2051
2052 static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
2053                                       char *dst)
2054 {
2055         char *pos;
2056
2057         pos = os_strchr(dst, ':');
2058         if (pos == NULL)
2059                 return -1;
2060         *pos++ = '\0';
2061         wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
2062
2063         drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
2064         if (drv->test_socket < 0) {
2065                 perror("socket(PF_INET)");
2066                 return -1;
2067         }
2068
2069         os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
2070         drv->hostapd_addr_udp.sin_family = AF_INET;
2071 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
2072         {
2073                 int a[4];
2074                 u8 *pos;
2075                 sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
2076                 pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
2077                 *pos++ = a[0];
2078                 *pos++ = a[1];
2079                 *pos++ = a[2];
2080                 *pos++ = a[3];
2081         }
2082 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2083         inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
2084 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2085         drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
2086
2087         drv->hostapd_addr_udp_set = 1;
2088
2089         eloop_register_read_sock(drv->test_socket,
2090                                  wpa_driver_test_receive_unix, drv, NULL);
2091
2092         return 0;
2093 }
2094
2095
2096 static int wpa_driver_test_set_param(void *priv, const char *param)
2097 {
2098         struct wpa_driver_test_data *drv = priv;
2099         const char *pos;
2100
2101         wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
2102         if (param == NULL)
2103                 return 0;
2104
2105         wpa_driver_test_close_test_socket(drv);
2106
2107 #ifdef DRIVER_TEST_UNIX
2108         pos = os_strstr(param, "test_socket=");
2109         if (pos) {
2110                 const char *pos2;
2111                 size_t len;
2112
2113                 pos += 12;
2114                 pos2 = os_strchr(pos, ' ');
2115                 if (pos2)
2116                         len = pos2 - pos;
2117                 else
2118                         len = os_strlen(pos);
2119                 if (len > sizeof(drv->hostapd_addr.sun_path))
2120                         return -1;
2121                 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
2122                 drv->hostapd_addr.sun_family = AF_UNIX;
2123                 os_memcpy(drv->hostapd_addr.sun_path, pos, len);
2124                 drv->hostapd_addr_set = 1;
2125         }
2126 #endif /* DRIVER_TEST_UNIX */
2127
2128         pos = os_strstr(param, "test_dir=");
2129         if (pos) {
2130                 char *end;
2131                 os_free(drv->test_dir);
2132                 drv->test_dir = os_strdup(pos + 9);
2133                 if (drv->test_dir == NULL)
2134                         return -1;
2135                 end = os_strchr(drv->test_dir, ' ');
2136                 if (end)
2137                         *end = '\0';
2138                 if (wpa_driver_test_attach(drv, drv->test_dir, 0))
2139                         return -1;
2140         } else {
2141                 pos = os_strstr(param, "test_udp=");
2142                 if (pos) {
2143                         char *dst, *epos;
2144                         dst = os_strdup(pos + 9);
2145                         if (dst == NULL)
2146                                 return -1;
2147                         epos = os_strchr(dst, ' ');
2148                         if (epos)
2149                                 *epos = '\0';
2150                         if (wpa_driver_test_attach_udp(drv, dst))
2151                                 return -1;
2152                         os_free(dst);
2153                 } else if (wpa_driver_test_attach(drv, NULL, 0))
2154                         return -1;
2155         }
2156
2157         if (os_strstr(param, "use_associnfo=1")) {
2158                 wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
2159                 drv->use_associnfo = 1;
2160         }
2161
2162 #ifdef CONFIG_CLIENT_MLME
2163         if (os_strstr(param, "use_mlme=1")) {
2164                 wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
2165                 drv->use_mlme = 1;
2166         }
2167 #endif /* CONFIG_CLIENT_MLME */
2168
2169         return 0;
2170 }
2171
2172
2173 static const u8 * wpa_driver_test_get_mac_addr(void *priv)
2174 {
2175         struct wpa_driver_test_data *drv = priv;
2176         wpa_printf(MSG_DEBUG, "%s", __func__);
2177         return drv->own_addr;
2178 }
2179
2180
2181 static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
2182                                       const u8 *data, size_t data_len)
2183 {
2184         struct wpa_driver_test_data *drv = priv;
2185         char *msg;
2186         size_t msg_len;
2187         struct l2_ethhdr eth;
2188         struct sockaddr *addr;
2189         socklen_t alen;
2190 #ifdef DRIVER_TEST_UNIX
2191         struct sockaddr_un addr_un;
2192 #endif /* DRIVER_TEST_UNIX */
2193
2194         wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
2195
2196         os_memset(&eth, 0, sizeof(eth));
2197         os_memcpy(eth.h_dest, dest, ETH_ALEN);
2198         os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
2199         eth.h_proto = host_to_be16(proto);
2200
2201         msg_len = 6 + sizeof(eth) + data_len;
2202         msg = os_malloc(msg_len);
2203         if (msg == NULL)
2204                 return -1;
2205         os_memcpy(msg, "EAPOL ", 6);
2206         os_memcpy(msg + 6, &eth, sizeof(eth));
2207         os_memcpy(msg + 6 + sizeof(eth), data, data_len);
2208
2209         if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
2210             drv->test_dir == NULL) {
2211                 if (drv->hostapd_addr_udp_set) {
2212                         addr = (struct sockaddr *) &drv->hostapd_addr_udp;
2213                         alen = sizeof(drv->hostapd_addr_udp);
2214                 } else {
2215 #ifdef DRIVER_TEST_UNIX
2216                         addr = (struct sockaddr *) &drv->hostapd_addr;
2217                         alen = sizeof(drv->hostapd_addr);
2218 #else /* DRIVER_TEST_UNIX */
2219                         os_free(msg);
2220                         return -1;
2221 #endif /* DRIVER_TEST_UNIX */
2222                 }
2223         } else {
2224 #ifdef DRIVER_TEST_UNIX
2225                 struct stat st;
2226                 os_memset(&addr_un, 0, sizeof(addr_un));
2227                 addr_un.sun_family = AF_UNIX;
2228                 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2229                             "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
2230                 if (stat(addr_un.sun_path, &st) < 0) {
2231                         os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2232                                     "%s/AP-" MACSTR,
2233                                     drv->test_dir, MAC2STR(dest));
2234                 }
2235                 addr = (struct sockaddr *) &addr_un;
2236                 alen = sizeof(addr_un);
2237 #else /* DRIVER_TEST_UNIX */
2238                 os_free(msg);
2239                 return -1;
2240 #endif /* DRIVER_TEST_UNIX */
2241         }
2242
2243         if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
2244                 perror("sendmsg(test_socket)");
2245                 os_free(msg);
2246                 return -1;
2247         }
2248
2249         os_free(msg);
2250         return 0;
2251 }
2252
2253
2254 static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
2255 {
2256         struct wpa_driver_test_data *drv = priv;
2257         os_memset(capa, 0, sizeof(*capa));
2258         capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2259                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2260                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2261                 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
2262                 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
2263                 WPA_DRIVER_CAPA_KEY_MGMT_FT |
2264                 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2265         capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2266                 WPA_DRIVER_CAPA_ENC_WEP104 |
2267                 WPA_DRIVER_CAPA_ENC_TKIP |
2268                 WPA_DRIVER_CAPA_ENC_CCMP;
2269         capa->auth = WPA_DRIVER_AUTH_OPEN |
2270                 WPA_DRIVER_AUTH_SHARED |
2271                 WPA_DRIVER_AUTH_LEAP;
2272         if (drv->use_mlme)
2273                 capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
2274         capa->flags |= WPA_DRIVER_FLAGS_AP;
2275         capa->max_scan_ssids = 2;
2276
2277         return 0;
2278 }
2279
2280
2281 static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
2282                                               int protect_type,
2283                                               int key_type)
2284 {
2285         wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
2286                    __func__, protect_type, key_type);
2287
2288         if (addr) {
2289                 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
2290                            __func__, MAC2STR(addr));
2291         }
2292
2293         return 0;
2294 }
2295
2296
2297 static int wpa_driver_test_set_channel(void *priv, hostapd_hw_mode phymode,
2298                                        int chan, int freq)
2299 {
2300         wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
2301                    __func__, phymode, chan, freq);
2302         return 0;
2303 }
2304
2305
2306 static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
2307                                         const u8 *supp_rates,
2308                                         size_t supp_rates_len)
2309 {
2310         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2311         return 0;
2312 }
2313
2314
2315 static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
2316 {
2317         wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2318         return 0;
2319 }
2320
2321
2322 static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
2323                                     size_t ssid_len)
2324 {
2325         wpa_printf(MSG_DEBUG, "%s", __func__);
2326         return 0;
2327 }
2328
2329
2330 static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
2331 {
2332         wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
2333         return 0;
2334 }
2335
2336
2337 static int wpa_driver_test_set_probe_req_ie(void *priv, const u8 *ies,
2338                                             size_t ies_len)
2339 {
2340         struct wpa_driver_test_data *drv = priv;
2341
2342         os_free(drv->probe_req_ie);
2343         if (ies) {
2344                 drv->probe_req_ie = os_malloc(ies_len);
2345                 if (drv->probe_req_ie == NULL) {
2346                         drv->probe_req_ie_len = 0;
2347                         return -1;
2348                 }
2349                 os_memcpy(drv->probe_req_ie, ies, ies_len);
2350                 drv->probe_req_ie_len = ies_len;
2351         } else {
2352                 drv->probe_req_ie = NULL;
2353                 drv->probe_req_ie_len = 0;
2354         }
2355         return 0;
2356 }
2357
2358
2359 static void * wpa_driver_test_global_init(void)
2360 {
2361         struct wpa_driver_test_global *global;
2362
2363         global = os_zalloc(sizeof(*global));
2364         return global;
2365 }
2366
2367
2368 static void wpa_driver_test_global_deinit(void *priv)
2369 {
2370         struct wpa_driver_test_global *global = priv;
2371         os_free(global);
2372 }
2373
2374
2375 static struct wpa_interface_info *
2376 wpa_driver_test_get_interfaces(void *global_priv)
2377 {
2378         /* struct wpa_driver_test_global *global = priv; */
2379         struct wpa_interface_info *iface;
2380
2381         iface = os_zalloc(sizeof(*iface));
2382         if (iface == NULL)
2383                 return iface;
2384         iface->ifname = os_strdup("sta0");
2385         iface->desc = os_strdup("test interface 0");
2386         iface->drv_name = "test";
2387         iface->next = os_zalloc(sizeof(*iface));
2388         if (iface->next) {
2389                 iface->next->ifname = os_strdup("sta1");
2390                 iface->next->desc = os_strdup("test interface 1");
2391                 iface->next->drv_name = "test";
2392         }
2393
2394         return iface;
2395 }
2396
2397
2398 static struct hostapd_hw_modes *
2399 wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
2400 {
2401         struct hostapd_hw_modes *modes;
2402
2403         *num_modes = 3;
2404         *flags = 0;
2405         modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
2406         if (modes == NULL)
2407                 return NULL;
2408         modes[0].mode = HOSTAPD_MODE_IEEE80211G;
2409         modes[0].num_channels = 1;
2410         modes[0].num_rates = 1;
2411         modes[0].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2412         modes[0].rates = os_zalloc(sizeof(struct hostapd_rate_data));
2413         if (modes[0].channels == NULL || modes[0].rates == NULL)
2414                 goto fail;
2415         modes[0].channels[0].chan = 1;
2416         modes[0].channels[0].freq = 2412;
2417         modes[0].channels[0].flag = 0;
2418         modes[0].rates[0].rate = 10;
2419         modes[0].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
2420                 HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
2421
2422         modes[1].mode = HOSTAPD_MODE_IEEE80211B;
2423         modes[1].num_channels = 1;
2424         modes[1].num_rates = 1;
2425         modes[1].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2426         modes[1].rates = os_zalloc(sizeof(struct hostapd_rate_data));
2427         if (modes[1].channels == NULL || modes[1].rates == NULL)
2428                 goto fail;
2429         modes[1].channels[0].chan = 1;
2430         modes[1].channels[0].freq = 2412;
2431         modes[1].channels[0].flag = 0;
2432         modes[1].rates[0].rate = 10;
2433         modes[1].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
2434                 HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
2435
2436         modes[2].mode = HOSTAPD_MODE_IEEE80211A;
2437         modes[2].num_channels = 1;
2438         modes[2].num_rates = 1;
2439         modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2440         modes[2].rates = os_zalloc(sizeof(struct hostapd_rate_data));
2441         if (modes[2].channels == NULL || modes[2].rates == NULL)
2442                 goto fail;
2443         modes[2].channels[0].chan = 60;
2444         modes[2].channels[0].freq = 5300;
2445         modes[2].channels[0].flag = 0;
2446         modes[2].rates[0].rate = 60;
2447         modes[2].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
2448                 HOSTAPD_RATE_MANDATORY;
2449
2450         return modes;
2451
2452 fail:
2453         if (modes) {
2454                 size_t i;
2455                 for (i = 0; i < *num_modes; i++) {
2456                         os_free(modes[i].channels);
2457                         os_free(modes[i].rates);
2458                 }
2459                 os_free(modes);
2460         }
2461         return NULL;
2462 }
2463
2464
2465 const struct wpa_driver_ops wpa_driver_test_ops = {
2466         "test",
2467         "wpa_supplicant test driver",
2468         .hapd_init = test_driver_init,
2469         .hapd_deinit = wpa_driver_test_deinit,
2470         .hapd_send_eapol = test_driver_send_eapol,
2471         .send_mlme = wpa_driver_test_send_mlme,
2472         .set_generic_elem = test_driver_set_generic_elem,
2473         .sta_deauth = test_driver_sta_deauth,
2474         .sta_disassoc = test_driver_sta_disassoc,
2475         .get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
2476         .bss_add = test_driver_bss_add,
2477         .bss_remove = test_driver_bss_remove,
2478         .if_add = test_driver_if_add,
2479         .if_update = test_driver_if_update,
2480         .if_remove = test_driver_if_remove,
2481         .valid_bss_mask = test_driver_valid_bss_mask,
2482         .hapd_set_ssid = test_driver_set_ssid,
2483         .set_privacy = test_driver_set_privacy,
2484         .hapd_set_key = test_driver_set_key,
2485         .set_sta_vlan = test_driver_set_sta_vlan,
2486         .sta_add = test_driver_sta_add,
2487         .send_ether = test_driver_send_ether,
2488         .set_wps_beacon_ie = test_driver_set_wps_beacon_ie,
2489         .set_wps_probe_resp_ie = test_driver_set_wps_probe_resp_ie,
2490         .get_bssid = wpa_driver_test_get_bssid,
2491         .get_ssid = wpa_driver_test_get_ssid,
2492         .set_wpa = wpa_driver_test_set_wpa,
2493         .set_key = wpa_driver_test_set_key,
2494         .deinit = wpa_driver_test_deinit,
2495         .set_param = wpa_driver_test_set_param,
2496         .deauthenticate = wpa_driver_test_deauthenticate,
2497         .disassociate = wpa_driver_test_disassociate,
2498         .associate = wpa_driver_test_associate,
2499         .get_capa = wpa_driver_test_get_capa,
2500         .get_mac_addr = wpa_driver_test_get_mac_addr,
2501         .send_eapol = wpa_driver_test_send_eapol,
2502         .mlme_setprotection = wpa_driver_test_mlme_setprotection,
2503         .set_channel = wpa_driver_test_set_channel,
2504         .set_ssid = wpa_driver_test_set_ssid,
2505         .set_bssid = wpa_driver_test_set_bssid,
2506         .mlme_add_sta = wpa_driver_test_mlme_add_sta,
2507         .mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
2508         .get_scan_results2 = wpa_driver_test_get_scan_results2,
2509         .set_probe_req_ie = wpa_driver_test_set_probe_req_ie,
2510         .global_init = wpa_driver_test_global_init,
2511         .global_deinit = wpa_driver_test_global_deinit,
2512         .init2 = wpa_driver_test_init2,
2513         .get_interfaces = wpa_driver_test_get_interfaces,
2514         .scan2 = wpa_driver_test_scan,
2515 };