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driver_test: Use OS wrappers consistently for memory allocation
[thirdparty/hostap.git] / src / drivers / driver_test.c
1 /*
2 * Testing driver interface for a simulated network driver
3 * Copyright (c) 2004-2009, 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 "crypto/sha1.h"
35 #include "common/ieee802_11_defs.h"
36
37
38 struct test_client_socket {
39 struct test_client_socket *next;
40 u8 addr[ETH_ALEN];
41 struct sockaddr_un un;
42 socklen_t unlen;
43 struct test_driver_bss *bss;
44 };
45
46 struct test_driver_bss {
47 struct test_driver_bss *next;
48 void *bss_ctx;
49 char ifname[IFNAMSIZ + 1];
50 u8 bssid[ETH_ALEN];
51 u8 *ie;
52 size_t ielen;
53 u8 *wps_beacon_ie;
54 size_t wps_beacon_ie_len;
55 u8 *wps_probe_resp_ie;
56 size_t wps_probe_resp_ie_len;
57 u8 ssid[32];
58 size_t ssid_len;
59 int privacy;
60 };
61
62 struct wpa_driver_test_global {
63 int dummy;
64 };
65
66 struct wpa_driver_test_data {
67 struct wpa_driver_test_global *global;
68 void *ctx;
69 u8 own_addr[ETH_ALEN];
70 int test_socket;
71 #ifdef DRIVER_TEST_UNIX
72 struct sockaddr_un hostapd_addr;
73 #endif /* DRIVER_TEST_UNIX */
74 int hostapd_addr_set;
75 struct sockaddr_in hostapd_addr_udp;
76 int hostapd_addr_udp_set;
77 char *own_socket_path;
78 char *test_dir;
79 u8 bssid[ETH_ALEN];
80 u8 ssid[32];
81 size_t ssid_len;
82 #define MAX_SCAN_RESULTS 30
83 struct wpa_scan_res *scanres[MAX_SCAN_RESULTS];
84 size_t num_scanres;
85 int use_associnfo;
86 u8 assoc_wpa_ie[80];
87 size_t assoc_wpa_ie_len;
88 int use_mlme;
89 int associated;
90 u8 *probe_req_ie;
91 size_t probe_req_ie_len;
92 int ibss;
93 int privacy;
94 int ap;
95
96 struct test_client_socket *cli;
97 struct test_driver_bss *bss;
98 int udp_port;
99 };
100
101
102 static void wpa_driver_test_deinit(void *priv);
103 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
104 const char *dir, int ap);
105 static void wpa_driver_test_close_test_socket(
106 struct wpa_driver_test_data *drv);
107
108 #ifdef CONFIG_AP
109 void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
110 struct hostapd_frame_info *fi);
111 void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype, int ok);
112
113 #else /* CONFIG_AP */
114 #ifndef HOSTAPD
115 static inline void ap_mgmt_rx(void *ctx, u8 *buf, size_t len, u16 stype,
116 struct hostapd_frame_info *fi)
117 {
118 }
119
120 static inline void ap_mgmt_tx_cb(void *ctx, u8 *buf, size_t len, u16 stype,
121 int ok)
122 {
123 }
124 #endif /* HOSTAPD */
125 #endif /* CONFIG_AP */
126
127
128 static void test_driver_free_bss(struct test_driver_bss *bss)
129 {
130 os_free(bss->ie);
131 os_free(bss->wps_beacon_ie);
132 os_free(bss->wps_probe_resp_ie);
133 os_free(bss);
134 }
135
136
137 static void test_driver_free_bsses(struct wpa_driver_test_data *drv)
138 {
139 struct test_driver_bss *bss, *prev_bss;
140
141 bss = drv->bss;
142 while (bss) {
143 prev_bss = bss;
144 bss = bss->next;
145 test_driver_free_bss(prev_bss);
146 }
147
148 drv->bss = NULL;
149 }
150
151
152 static struct test_client_socket *
153 test_driver_get_cli(struct wpa_driver_test_data *drv, struct sockaddr_un *from,
154 socklen_t fromlen)
155 {
156 struct test_client_socket *cli = drv->cli;
157
158 while (cli) {
159 if (cli->unlen == fromlen &&
160 strncmp(cli->un.sun_path, from->sun_path,
161 fromlen - sizeof(cli->un.sun_family)) == 0)
162 return cli;
163 cli = cli->next;
164 }
165
166 return NULL;
167 }
168
169
170 static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
171 size_t data_len, int encrypt,
172 const u8 *own_addr)
173 {
174 struct wpa_driver_test_data *drv = priv;
175 struct test_client_socket *cli;
176 struct msghdr msg;
177 struct iovec io[3];
178 struct l2_ethhdr eth;
179
180 if (drv->test_socket < 0)
181 return -1;
182
183 cli = drv->cli;
184 while (cli) {
185 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
186 break;
187 cli = cli->next;
188 }
189
190 if (!cli) {
191 wpa_printf(MSG_DEBUG, "%s: no destination client entry",
192 __func__);
193 return -1;
194 }
195
196 memcpy(eth.h_dest, addr, ETH_ALEN);
197 memcpy(eth.h_source, own_addr, ETH_ALEN);
198 eth.h_proto = host_to_be16(ETH_P_EAPOL);
199
200 io[0].iov_base = "EAPOL ";
201 io[0].iov_len = 6;
202 io[1].iov_base = &eth;
203 io[1].iov_len = sizeof(eth);
204 io[2].iov_base = (u8 *) data;
205 io[2].iov_len = data_len;
206
207 memset(&msg, 0, sizeof(msg));
208 msg.msg_iov = io;
209 msg.msg_iovlen = 3;
210 msg.msg_name = &cli->un;
211 msg.msg_namelen = cli->unlen;
212 return sendmsg(drv->test_socket, &msg, 0);
213 }
214
215
216 static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
217 u16 proto, const u8 *data, size_t data_len)
218 {
219 struct wpa_driver_test_data *drv = priv;
220 struct msghdr msg;
221 struct iovec io[3];
222 struct l2_ethhdr eth;
223 char desttxt[30];
224 struct sockaddr_un addr;
225 struct dirent *dent;
226 DIR *dir;
227 int ret = 0, broadcast = 0, count = 0;
228
229 if (drv->test_socket < 0 || drv->test_dir == NULL) {
230 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
231 "test_dir=%p)",
232 __func__, drv->test_socket, drv->test_dir);
233 return -1;
234 }
235
236 broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
237 snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
238
239 memcpy(eth.h_dest, dst, ETH_ALEN);
240 memcpy(eth.h_source, src, ETH_ALEN);
241 eth.h_proto = host_to_be16(proto);
242
243 io[0].iov_base = "ETHER ";
244 io[0].iov_len = 6;
245 io[1].iov_base = &eth;
246 io[1].iov_len = sizeof(eth);
247 io[2].iov_base = (u8 *) data;
248 io[2].iov_len = data_len;
249
250 memset(&msg, 0, sizeof(msg));
251 msg.msg_iov = io;
252 msg.msg_iovlen = 3;
253
254 dir = opendir(drv->test_dir);
255 if (dir == NULL) {
256 perror("test_driver: opendir");
257 return -1;
258 }
259 while ((dent = readdir(dir))) {
260 #ifdef _DIRENT_HAVE_D_TYPE
261 /* Skip the file if it is not a socket. Also accept
262 * DT_UNKNOWN (0) in case the C library or underlying file
263 * system does not support d_type. */
264 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
265 continue;
266 #endif /* _DIRENT_HAVE_D_TYPE */
267 if (strcmp(dent->d_name, ".") == 0 ||
268 strcmp(dent->d_name, "..") == 0)
269 continue;
270
271 memset(&addr, 0, sizeof(addr));
272 addr.sun_family = AF_UNIX;
273 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
274 drv->test_dir, dent->d_name);
275
276 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
277 continue;
278 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
279 continue;
280
281 wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
282 __func__, dent->d_name);
283
284 msg.msg_name = &addr;
285 msg.msg_namelen = sizeof(addr);
286 ret = sendmsg(drv->test_socket, &msg, 0);
287 if (ret < 0)
288 perror("driver_test: sendmsg");
289 count++;
290 }
291 closedir(dir);
292
293 if (!broadcast && count == 0) {
294 wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
295 __func__, MAC2STR(dst));
296 return -1;
297 }
298
299 return ret;
300 }
301
302
303 static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
304 size_t data_len)
305 {
306 struct wpa_driver_test_data *drv = priv;
307 struct msghdr msg;
308 struct iovec io[2];
309 const u8 *dest;
310 struct sockaddr_un addr;
311 struct dirent *dent;
312 DIR *dir;
313 int broadcast;
314 int ret = 0;
315 struct ieee80211_hdr *hdr;
316 u16 fc;
317 #ifdef HOSTAPD
318 char desttxt[30];
319 #endif /* HOSTAPD */
320 union wpa_event_data event;
321
322 wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
323 if (drv->test_socket < 0 || data_len < 10) {
324 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
325 " test_dir=%p)",
326 __func__, drv->test_socket,
327 (unsigned long) data_len,
328 drv->test_dir);
329 return -1;
330 }
331
332 dest = data + 4;
333 broadcast = os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
334
335 #ifdef HOSTAPD
336 snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
337 #endif /* HOSTAPD */
338
339 io[0].iov_base = "MLME ";
340 io[0].iov_len = 5;
341 io[1].iov_base = (void *) data;
342 io[1].iov_len = data_len;
343
344 os_memset(&msg, 0, sizeof(msg));
345 msg.msg_iov = io;
346 msg.msg_iovlen = 2;
347
348 #ifdef HOSTAPD
349 if (drv->test_dir == NULL) {
350 wpa_printf(MSG_DEBUG, "%s: test_dir == NULL", __func__);
351 return -1;
352 }
353
354 dir = opendir(drv->test_dir);
355 if (dir == NULL) {
356 perror("test_driver: opendir");
357 return -1;
358 }
359 while ((dent = readdir(dir))) {
360 #ifdef _DIRENT_HAVE_D_TYPE
361 /* Skip the file if it is not a socket. Also accept
362 * DT_UNKNOWN (0) in case the C library or underlying file
363 * system does not support d_type. */
364 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
365 continue;
366 #endif /* _DIRENT_HAVE_D_TYPE */
367 if (os_strcmp(dent->d_name, ".") == 0 ||
368 os_strcmp(dent->d_name, "..") == 0)
369 continue;
370
371 os_memset(&addr, 0, sizeof(addr));
372 addr.sun_family = AF_UNIX;
373 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
374 drv->test_dir, dent->d_name);
375
376 if (os_strcmp(addr.sun_path, drv->own_socket_path) == 0)
377 continue;
378 if (!broadcast && os_strstr(dent->d_name, desttxt) == NULL)
379 continue;
380
381 wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
382 __func__, dent->d_name);
383
384 msg.msg_name = &addr;
385 msg.msg_namelen = sizeof(addr);
386 ret = sendmsg(drv->test_socket, &msg, 0);
387 if (ret < 0)
388 perror("driver_test: sendmsg(test_socket)");
389 }
390 closedir(dir);
391 #else /* HOSTAPD */
392
393 if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
394 drv->test_dir == NULL) {
395 if (drv->hostapd_addr_udp_set) {
396 msg.msg_name = &drv->hostapd_addr_udp;
397 msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
398 } else {
399 #ifdef DRIVER_TEST_UNIX
400 msg.msg_name = &drv->hostapd_addr;
401 msg.msg_namelen = sizeof(drv->hostapd_addr);
402 #endif /* DRIVER_TEST_UNIX */
403 }
404 } else if (broadcast) {
405 dir = opendir(drv->test_dir);
406 if (dir == NULL)
407 return -1;
408 while ((dent = readdir(dir))) {
409 #ifdef _DIRENT_HAVE_D_TYPE
410 /* Skip the file if it is not a socket.
411 * Also accept DT_UNKNOWN (0) in case
412 * the C library or underlying file
413 * system does not support d_type. */
414 if (dent->d_type != DT_SOCK &&
415 dent->d_type != DT_UNKNOWN)
416 continue;
417 #endif /* _DIRENT_HAVE_D_TYPE */
418 if (os_strcmp(dent->d_name, ".") == 0 ||
419 os_strcmp(dent->d_name, "..") == 0)
420 continue;
421 wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
422 __func__, dent->d_name);
423 os_memset(&addr, 0, sizeof(addr));
424 addr.sun_family = AF_UNIX;
425 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
426 "%s/%s", drv->test_dir, dent->d_name);
427
428 msg.msg_name = &addr;
429 msg.msg_namelen = sizeof(addr);
430
431 ret = sendmsg(drv->test_socket, &msg, 0);
432 if (ret < 0)
433 perror("driver_test: sendmsg(test_socket)");
434 }
435 closedir(dir);
436 return ret;
437 } else {
438 struct stat st;
439 os_memset(&addr, 0, sizeof(addr));
440 addr.sun_family = AF_UNIX;
441 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
442 "%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
443 if (stat(addr.sun_path, &st) < 0) {
444 os_snprintf(addr.sun_path, sizeof(addr.sun_path),
445 "%s/STA-" MACSTR,
446 drv->test_dir, MAC2STR(dest));
447 }
448 msg.msg_name = &addr;
449 msg.msg_namelen = sizeof(addr);
450 }
451
452 if (sendmsg(drv->test_socket, &msg, 0) < 0) {
453 perror("sendmsg(test_socket)");
454 return -1;
455 }
456 #endif /* HOSTAPD */
457
458 hdr = (struct ieee80211_hdr *) data;
459 fc = le_to_host16(hdr->frame_control);
460
461 os_memset(&event, 0, sizeof(event));
462 event.tx_status.type = WLAN_FC_GET_TYPE(fc);
463 event.tx_status.stype = WLAN_FC_GET_STYPE(fc);
464 event.tx_status.dst = hdr->addr1;
465 event.tx_status.data = data;
466 event.tx_status.data_len = data_len;
467 event.tx_status.ack = ret >= 0;
468 wpa_supplicant_event(drv->ctx, EVENT_TX_STATUS, &event);
469
470 return ret;
471 }
472
473
474 static void test_driver_scan(struct wpa_driver_test_data *drv,
475 struct sockaddr_un *from, socklen_t fromlen,
476 char *data)
477 {
478 char buf[512], *pos, *end;
479 int ret;
480 struct test_driver_bss *bss;
481 u8 sa[ETH_ALEN];
482 u8 ie[512];
483 size_t ielen;
484
485 /* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
486
487 wpa_printf(MSG_DEBUG, "test_driver: SCAN");
488
489 if (*data) {
490 if (*data != ' ' ||
491 hwaddr_aton(data + 1, sa)) {
492 wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
493 "command format");
494 return;
495 }
496
497 data += 18;
498 while (*data == ' ')
499 data++;
500 ielen = os_strlen(data) / 2;
501 if (ielen > sizeof(ie))
502 ielen = sizeof(ie);
503 if (hexstr2bin(data, ie, ielen) < 0)
504 ielen = 0;
505
506 wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
507 MAC2STR(sa));
508 wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
509
510 #ifdef HOSTAPD
511 hostapd_probe_req_rx(drv->ctx, sa, ie, ielen);
512 #endif /* HOSTAPD */
513 }
514
515 for (bss = drv->bss; bss; bss = bss->next) {
516 pos = buf;
517 end = buf + sizeof(buf);
518
519 /* reply: SCANRESP BSSID SSID IEs */
520 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
521 MAC2STR(bss->bssid));
522 if (ret < 0 || ret >= end - pos)
523 return;
524 pos += ret;
525 pos += wpa_snprintf_hex(pos, end - pos,
526 bss->ssid, bss->ssid_len);
527 ret = snprintf(pos, end - pos, " ");
528 if (ret < 0 || ret >= end - pos)
529 return;
530 pos += ret;
531 pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
532 pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
533 bss->wps_probe_resp_ie_len);
534
535 if (bss->privacy) {
536 ret = snprintf(pos, end - pos, " PRIVACY");
537 if (ret < 0 || ret >= end - pos)
538 return;
539 pos += ret;
540 }
541
542 sendto(drv->test_socket, buf, pos - buf, 0,
543 (struct sockaddr *) from, fromlen);
544 }
545 }
546
547
548 static void test_driver_assoc(struct wpa_driver_test_data *drv,
549 struct sockaddr_un *from, socklen_t fromlen,
550 char *data)
551 {
552 struct test_client_socket *cli;
553 u8 ie[256], ssid[32];
554 size_t ielen, ssid_len = 0;
555 char *pos, *pos2, cmd[50];
556 struct test_driver_bss *bss;
557
558 /* data: STA-addr SSID(hex) IEs(hex) */
559
560 cli = os_zalloc(sizeof(*cli));
561 if (cli == NULL)
562 return;
563
564 if (hwaddr_aton(data, cli->addr)) {
565 printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
566 data);
567 os_free(cli);
568 return;
569 }
570 pos = data + 17;
571 while (*pos == ' ')
572 pos++;
573 pos2 = strchr(pos, ' ');
574 ielen = 0;
575 if (pos2) {
576 ssid_len = (pos2 - pos) / 2;
577 if (hexstr2bin(pos, ssid, ssid_len) < 0) {
578 wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
579 os_free(cli);
580 return;
581 }
582 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
583 ssid, ssid_len);
584
585 pos = pos2 + 1;
586 ielen = strlen(pos) / 2;
587 if (ielen > sizeof(ie))
588 ielen = sizeof(ie);
589 if (hexstr2bin(pos, ie, ielen) < 0)
590 ielen = 0;
591 }
592
593 for (bss = drv->bss; bss; bss = bss->next) {
594 if (bss->ssid_len == ssid_len &&
595 memcmp(bss->ssid, ssid, ssid_len) == 0)
596 break;
597 }
598 if (bss == NULL) {
599 wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
600 "configured BSSes", __func__);
601 os_free(cli);
602 return;
603 }
604
605 cli->bss = bss;
606 memcpy(&cli->un, from, sizeof(cli->un));
607 cli->unlen = fromlen;
608 cli->next = drv->cli;
609 drv->cli = cli;
610 wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
611 (const u8 *) cli->un.sun_path,
612 cli->unlen - sizeof(cli->un.sun_family));
613
614 snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
615 MAC2STR(bss->bssid));
616 sendto(drv->test_socket, cmd, strlen(cmd), 0,
617 (struct sockaddr *) from, fromlen);
618
619 #ifdef HOSTAPD
620 if (hostapd_notif_assoc(bss->bss_ctx, cli->addr, ie, ielen) < 0)
621 wpa_printf(MSG_DEBUG, "test_driver: failed to add new STA");
622 #endif /* HOSTAPD */
623 }
624
625
626 static void test_driver_disassoc(struct wpa_driver_test_data *drv,
627 struct sockaddr_un *from, socklen_t fromlen)
628 {
629 struct test_client_socket *cli;
630
631 cli = test_driver_get_cli(drv, from, fromlen);
632 if (!cli)
633 return;
634
635 #ifdef HOSTAPD
636 hostapd_notif_disassoc(drv->ctx, cli->addr);
637 #endif /* HOSTAPD */
638 }
639
640
641 static void test_driver_eapol(struct wpa_driver_test_data *drv,
642 struct sockaddr_un *from, socklen_t fromlen,
643 u8 *data, size_t datalen)
644 {
645 #ifdef HOSTAPD
646 struct test_client_socket *cli;
647 #endif /* HOSTAPD */
648 const u8 *src = NULL;
649
650 if (datalen > 14) {
651 /* Skip Ethernet header */
652 src = data + ETH_ALEN;
653 wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
654 MACSTR " proto=%04x",
655 MAC2STR(data), MAC2STR(src),
656 WPA_GET_BE16(data + 2 * ETH_ALEN));
657 data += 14;
658 datalen -= 14;
659 }
660 #ifdef HOSTAPD
661 cli = test_driver_get_cli(drv, from, fromlen);
662 if (cli) {
663 hostapd_eapol_receive(cli->bss->bss_ctx, cli->addr, data,
664 datalen);
665 } else {
666 wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
667 "client");
668 }
669 #else /* HOSTAPD */
670 if (src)
671 wpa_supplicant_rx_eapol(drv->ctx, src, data, datalen);
672 #endif /* HOSTAPD */
673 }
674
675
676 static void test_driver_ether(struct wpa_driver_test_data *drv,
677 struct sockaddr_un *from, socklen_t fromlen,
678 u8 *data, size_t datalen)
679 {
680 struct l2_ethhdr *eth;
681
682 if (datalen < sizeof(*eth))
683 return;
684
685 eth = (struct l2_ethhdr *) data;
686 wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
687 MACSTR " proto=%04x",
688 MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
689 be_to_host16(eth->h_proto));
690
691 #ifdef CONFIG_IEEE80211R
692 if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
693 union wpa_event_data ev;
694 os_memset(&ev, 0, sizeof(ev));
695 ev.ft_rrb_rx.src = eth->h_source;
696 ev.ft_rrb_rx.data = data + sizeof(*eth);
697 ev.ft_rrb_rx.data_len = datalen - sizeof(*eth);
698 }
699 #endif /* CONFIG_IEEE80211R */
700 }
701
702
703 static void test_driver_mlme(struct wpa_driver_test_data *drv,
704 struct sockaddr_un *from, socklen_t fromlen,
705 u8 *data, size_t datalen)
706 {
707 struct ieee80211_hdr *hdr;
708 u16 fc;
709 union wpa_event_data event;
710
711 hdr = (struct ieee80211_hdr *) data;
712
713 if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
714 struct test_client_socket *cli;
715 cli = os_zalloc(sizeof(*cli));
716 if (cli == NULL)
717 return;
718 wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
719 MAC2STR(hdr->addr2));
720 memcpy(cli->addr, hdr->addr2, ETH_ALEN);
721 memcpy(&cli->un, from, sizeof(cli->un));
722 cli->unlen = fromlen;
723 cli->next = drv->cli;
724 drv->cli = cli;
725 }
726
727 wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
728 data, datalen);
729 fc = le_to_host16(hdr->frame_control);
730 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
731 wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
732 __func__);
733 return;
734 }
735
736 os_memset(&event, 0, sizeof(event));
737 event.rx_mgmt.frame = data;
738 event.rx_mgmt.frame_len = datalen;
739 wpa_supplicant_event(drv->ctx, EVENT_RX_MGMT, &event);
740 }
741
742
743 static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
744 {
745 struct wpa_driver_test_data *drv = eloop_ctx;
746 char buf[2000];
747 int res;
748 struct sockaddr_un from;
749 socklen_t fromlen = sizeof(from);
750
751 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
752 (struct sockaddr *) &from, &fromlen);
753 if (res < 0) {
754 perror("recvfrom(test_socket)");
755 return;
756 }
757 buf[res] = '\0';
758
759 wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
760
761 if (strncmp(buf, "SCAN", 4) == 0) {
762 test_driver_scan(drv, &from, fromlen, buf + 4);
763 } else if (strncmp(buf, "ASSOC ", 6) == 0) {
764 test_driver_assoc(drv, &from, fromlen, buf + 6);
765 } else if (strcmp(buf, "DISASSOC") == 0) {
766 test_driver_disassoc(drv, &from, fromlen);
767 } else if (strncmp(buf, "EAPOL ", 6) == 0) {
768 test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
769 res - 6);
770 } else if (strncmp(buf, "ETHER ", 6) == 0) {
771 test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
772 res - 6);
773 } else if (strncmp(buf, "MLME ", 5) == 0) {
774 test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
775 } else {
776 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
777 (u8 *) buf, res);
778 }
779 }
780
781
782 static struct test_driver_bss *
783 test_driver_get_bss(struct wpa_driver_test_data *drv, const char *ifname)
784 {
785 struct test_driver_bss *bss;
786
787 for (bss = drv->bss; bss; bss = bss->next) {
788 if (strcmp(bss->ifname, ifname) == 0)
789 return bss;
790 }
791 return NULL;
792 }
793
794
795 static int test_driver_set_generic_elem(const char *ifname, void *priv,
796 const u8 *elem, size_t elem_len)
797 {
798 struct wpa_driver_test_data *drv = priv;
799 struct test_driver_bss *bss;
800
801 bss = test_driver_get_bss(drv, ifname);
802 if (bss == NULL)
803 return -1;
804
805 os_free(bss->ie);
806
807 if (elem == NULL) {
808 bss->ie = NULL;
809 bss->ielen = 0;
810 return 0;
811 }
812
813 bss->ie = os_malloc(elem_len);
814 if (bss->ie == NULL) {
815 bss->ielen = 0;
816 return -1;
817 }
818
819 memcpy(bss->ie, elem, elem_len);
820 bss->ielen = elem_len;
821 return 0;
822 }
823
824
825 static int test_driver_set_wps_beacon_ie(const char *ifname, void *priv,
826 const u8 *ie, size_t len)
827 {
828 struct wpa_driver_test_data *drv = priv;
829 struct test_driver_bss *bss;
830
831 wpa_hexdump(MSG_DEBUG, "test_driver: Beacon WPS IE", ie, len);
832 bss = test_driver_get_bss(drv, ifname);
833 if (bss == NULL)
834 return -1;
835
836 os_free(bss->wps_beacon_ie);
837
838 if (ie == NULL) {
839 bss->wps_beacon_ie = NULL;
840 bss->wps_beacon_ie_len = 0;
841 return 0;
842 }
843
844 bss->wps_beacon_ie = os_malloc(len);
845 if (bss->wps_beacon_ie == NULL) {
846 bss->wps_beacon_ie_len = 0;
847 return -1;
848 }
849
850 memcpy(bss->wps_beacon_ie, ie, len);
851 bss->wps_beacon_ie_len = len;
852 return 0;
853 }
854
855
856 static int test_driver_set_wps_probe_resp_ie(const char *ifname, void *priv,
857 const u8 *ie, size_t len)
858 {
859 struct wpa_driver_test_data *drv = priv;
860 struct test_driver_bss *bss;
861
862 wpa_hexdump(MSG_DEBUG, "test_driver: ProbeResp WPS IE", ie, len);
863 bss = test_driver_get_bss(drv, ifname);
864 if (bss == NULL)
865 return -1;
866
867 os_free(bss->wps_probe_resp_ie);
868
869 if (ie == NULL) {
870 bss->wps_probe_resp_ie = NULL;
871 bss->wps_probe_resp_ie_len = 0;
872 return 0;
873 }
874
875 bss->wps_probe_resp_ie = os_malloc(len);
876 if (bss->wps_probe_resp_ie == NULL) {
877 bss->wps_probe_resp_ie_len = 0;
878 return -1;
879 }
880
881 memcpy(bss->wps_probe_resp_ie, ie, len);
882 bss->wps_probe_resp_ie_len = len;
883 return 0;
884 }
885
886
887 static int test_driver_sta_deauth(void *priv, const u8 *own_addr,
888 const u8 *addr, int reason)
889 {
890 struct wpa_driver_test_data *drv = priv;
891 struct test_client_socket *cli;
892
893 if (drv->test_socket < 0)
894 return -1;
895
896 cli = drv->cli;
897 while (cli) {
898 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
899 break;
900 cli = cli->next;
901 }
902
903 if (!cli)
904 return -1;
905
906 return sendto(drv->test_socket, "DEAUTH", 6, 0,
907 (struct sockaddr *) &cli->un, cli->unlen);
908 }
909
910
911 static int test_driver_sta_disassoc(void *priv, const u8 *own_addr,
912 const u8 *addr, int reason)
913 {
914 struct wpa_driver_test_data *drv = priv;
915 struct test_client_socket *cli;
916
917 if (drv->test_socket < 0)
918 return -1;
919
920 cli = drv->cli;
921 while (cli) {
922 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
923 break;
924 cli = cli->next;
925 }
926
927 if (!cli)
928 return -1;
929
930 return sendto(drv->test_socket, "DISASSOC", 8, 0,
931 (struct sockaddr *) &cli->un, cli->unlen);
932 }
933
934
935 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid,
936 void *bss_ctx)
937 {
938 struct wpa_driver_test_data *drv = priv;
939 struct test_driver_bss *bss;
940
941 wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
942 __func__, ifname, MAC2STR(bssid));
943
944 bss = os_zalloc(sizeof(*bss));
945 if (bss == NULL)
946 return -1;
947
948 bss->bss_ctx = bss_ctx;
949 os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
950 memcpy(bss->bssid, bssid, ETH_ALEN);
951
952 bss->next = drv->bss;
953 drv->bss = bss;
954
955 return 0;
956 }
957
958
959 static int test_driver_bss_remove(void *priv, const char *ifname)
960 {
961 struct wpa_driver_test_data *drv = priv;
962 struct test_driver_bss *bss, *prev;
963 struct test_client_socket *cli, *prev_c;
964
965 wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
966
967 for (prev = NULL, bss = drv->bss; bss; prev = bss, bss = bss->next) {
968 if (strcmp(bss->ifname, ifname) != 0)
969 continue;
970
971 if (prev)
972 prev->next = bss->next;
973 else
974 drv->bss = bss->next;
975
976 for (prev_c = NULL, cli = drv->cli; cli;
977 prev_c = cli, cli = cli->next) {
978 if (cli->bss != bss)
979 continue;
980 if (prev_c)
981 prev_c->next = cli->next;
982 else
983 drv->cli = cli->next;
984 os_free(cli);
985 break;
986 }
987
988 test_driver_free_bss(bss);
989 return 0;
990 }
991
992 return -1;
993 }
994
995
996 static int test_driver_if_add(const char *iface, void *priv,
997 enum wpa_driver_if_type type, const char *ifname,
998 const u8 *addr, void *bss_ctx)
999 {
1000 wpa_printf(MSG_DEBUG, "%s(iface=%s type=%d ifname=%s bss_ctx=%p)",
1001 __func__, iface, type, ifname, bss_ctx);
1002 if (type == WPA_IF_AP_BSS)
1003 return test_driver_bss_add(priv, ifname, addr, bss_ctx);
1004 return 0;
1005 }
1006
1007
1008 static int test_driver_if_remove(void *priv, enum wpa_driver_if_type type,
1009 const char *ifname)
1010 {
1011 wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1012 if (type == WPA_IF_AP_BSS)
1013 return test_driver_bss_remove(priv, ifname);
1014 return 0;
1015 }
1016
1017
1018 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1019 const u8 *mask)
1020 {
1021 return 0;
1022 }
1023
1024
1025 static int test_driver_set_ssid(const char *ifname, void *priv, const u8 *buf,
1026 int len)
1027 {
1028 struct wpa_driver_test_data *drv = priv;
1029 struct test_driver_bss *bss;
1030
1031 wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
1032 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1033
1034 for (bss = drv->bss; bss; bss = bss->next) {
1035 if (strcmp(bss->ifname, ifname) != 0)
1036 continue;
1037
1038 if (len < 0 || (size_t) len > sizeof(bss->ssid))
1039 return -1;
1040
1041 memcpy(bss->ssid, buf, len);
1042 bss->ssid_len = len;
1043
1044 return 0;
1045 }
1046
1047 return -1;
1048 }
1049
1050
1051 static int test_driver_set_privacy(const char *ifname, void *priv, int enabled)
1052 {
1053 struct wpa_driver_test_data *drv = priv;
1054 struct test_driver_bss *bss;
1055
1056 wpa_printf(MSG_DEBUG, "%s(ifname=%s enabled=%d)",
1057 __func__, ifname, enabled);
1058
1059 for (bss = drv->bss; bss; bss = bss->next) {
1060 if (strcmp(bss->ifname, ifname) != 0)
1061 continue;
1062
1063 bss->privacy = enabled;
1064
1065 return 0;
1066 }
1067
1068 return -1;
1069 }
1070
1071
1072 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1073 const char *ifname, int vlan_id)
1074 {
1075 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1076 __func__, MAC2STR(addr), ifname, vlan_id);
1077 return 0;
1078 }
1079
1080
1081 static int test_driver_sta_add(const char *ifname, void *priv,
1082 struct hostapd_sta_add_params *params)
1083 {
1084 struct wpa_driver_test_data *drv = priv;
1085 struct test_client_socket *cli;
1086 struct test_driver_bss *bss;
1087
1088 wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1089 "capability=0x%x listen_interval=%d)",
1090 __func__, ifname, MAC2STR(params->addr), params->aid,
1091 params->capability, params->listen_interval);
1092 wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1093 params->supp_rates, params->supp_rates_len);
1094
1095 cli = drv->cli;
1096 while (cli) {
1097 if (os_memcmp(cli->addr, params->addr, ETH_ALEN) == 0)
1098 break;
1099 cli = cli->next;
1100 }
1101 if (!cli) {
1102 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1103 __func__);
1104 return -1;
1105 }
1106
1107 for (bss = drv->bss; bss; bss = bss->next) {
1108 if (strcmp(ifname, bss->ifname) == 0)
1109 break;
1110 }
1111 if (bss == NULL) {
1112 wpa_printf(MSG_DEBUG, "%s: No matching interface found from "
1113 "configured BSSes", __func__);
1114 return -1;
1115 }
1116
1117 cli->bss = bss;
1118
1119 return 0;
1120 }
1121
1122
1123 static void * test_driver_init(struct hostapd_data *hapd,
1124 struct wpa_init_params *params)
1125 {
1126 struct wpa_driver_test_data *drv;
1127 struct sockaddr_un addr_un;
1128 struct sockaddr_in addr_in;
1129 struct sockaddr *addr;
1130 socklen_t alen;
1131
1132 drv = os_zalloc(sizeof(struct wpa_driver_test_data));
1133 if (drv == NULL) {
1134 printf("Could not allocate memory for test driver data\n");
1135 return NULL;
1136 }
1137 drv->ap = 1;
1138 drv->bss = os_zalloc(sizeof(*drv->bss));
1139 if (drv->bss == NULL) {
1140 printf("Could not allocate memory for test driver BSS data\n");
1141 os_free(drv);
1142 return NULL;
1143 }
1144
1145 drv->ctx = hapd;
1146 drv->bss->bss_ctx = hapd;
1147
1148 /* Generate a MAC address to help testing with multiple APs */
1149 params->own_addr[0] = 0x02; /* locally administered */
1150 sha1_prf((const u8 *) params->ifname, strlen(params->ifname),
1151 "hostapd test bssid generation",
1152 params->ssid, params->ssid_len,
1153 params->own_addr + 1, ETH_ALEN - 1);
1154
1155 os_strlcpy(drv->bss->ifname, params->ifname, IFNAMSIZ);
1156 memcpy(drv->bss->bssid, params->own_addr, ETH_ALEN);
1157
1158 if (params->test_socket) {
1159 if (os_strlen(params->test_socket) >=
1160 sizeof(addr_un.sun_path)) {
1161 printf("Too long test_socket path\n");
1162 wpa_driver_test_deinit(drv);
1163 return NULL;
1164 }
1165 if (strncmp(params->test_socket, "DIR:", 4) == 0) {
1166 size_t len = strlen(params->test_socket) + 30;
1167 drv->test_dir = os_strdup(params->test_socket + 4);
1168 drv->own_socket_path = os_malloc(len);
1169 if (drv->own_socket_path) {
1170 snprintf(drv->own_socket_path, len,
1171 "%s/AP-" MACSTR,
1172 params->test_socket + 4,
1173 MAC2STR(params->own_addr));
1174 }
1175 } else if (strncmp(params->test_socket, "UDP:", 4) == 0) {
1176 drv->udp_port = atoi(params->test_socket + 4);
1177 } else {
1178 drv->own_socket_path = os_strdup(params->test_socket);
1179 }
1180 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1181 wpa_driver_test_deinit(drv);
1182 return NULL;
1183 }
1184
1185 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1186 SOCK_DGRAM, 0);
1187 if (drv->test_socket < 0) {
1188 perror("socket");
1189 wpa_driver_test_deinit(drv);
1190 return NULL;
1191 }
1192
1193 if (drv->udp_port) {
1194 os_memset(&addr_in, 0, sizeof(addr_in));
1195 addr_in.sin_family = AF_INET;
1196 addr_in.sin_port = htons(drv->udp_port);
1197 addr = (struct sockaddr *) &addr_in;
1198 alen = sizeof(addr_in);
1199 } else {
1200 os_memset(&addr_un, 0, sizeof(addr_un));
1201 addr_un.sun_family = AF_UNIX;
1202 os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1203 sizeof(addr_un.sun_path));
1204 addr = (struct sockaddr *) &addr_un;
1205 alen = sizeof(addr_un);
1206 }
1207 if (bind(drv->test_socket, addr, alen) < 0) {
1208 perror("bind(PF_UNIX)");
1209 close(drv->test_socket);
1210 if (drv->own_socket_path)
1211 unlink(drv->own_socket_path);
1212 wpa_driver_test_deinit(drv);
1213 return NULL;
1214 }
1215 eloop_register_read_sock(drv->test_socket,
1216 test_driver_receive_unix, drv, NULL);
1217 } else
1218 drv->test_socket = -1;
1219
1220 return drv;
1221 }
1222
1223
1224 static void wpa_driver_test_poll(void *eloop_ctx, void *timeout_ctx)
1225 {
1226 struct wpa_driver_test_data *drv = eloop_ctx;
1227
1228 #ifdef DRIVER_TEST_UNIX
1229 if (drv->associated && drv->hostapd_addr_set) {
1230 struct stat st;
1231 if (stat(drv->hostapd_addr.sun_path, &st) < 0) {
1232 wpa_printf(MSG_DEBUG, "%s: lost connection to AP: %s",
1233 __func__, strerror(errno));
1234 drv->associated = 0;
1235 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1236 }
1237 }
1238 #endif /* DRIVER_TEST_UNIX */
1239
1240 eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1241 }
1242
1243
1244 static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
1245 {
1246 wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
1247 wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
1248 }
1249
1250
1251 #ifdef DRIVER_TEST_UNIX
1252 static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
1253 const char *path)
1254 {
1255 struct dirent *dent;
1256 DIR *dir;
1257 struct sockaddr_un addr;
1258 char cmd[512], *pos, *end;
1259 int ret;
1260
1261 dir = opendir(path);
1262 if (dir == NULL)
1263 return;
1264
1265 end = cmd + sizeof(cmd);
1266 pos = cmd;
1267 ret = os_snprintf(pos, end - pos, "SCAN " MACSTR,
1268 MAC2STR(drv->own_addr));
1269 if (ret >= 0 && ret < end - pos)
1270 pos += ret;
1271 if (drv->probe_req_ie) {
1272 ret = os_snprintf(pos, end - pos, " ");
1273 if (ret >= 0 && ret < end - pos)
1274 pos += ret;
1275 pos += wpa_snprintf_hex(pos, end - pos, drv->probe_req_ie,
1276 drv->probe_req_ie_len);
1277 }
1278 end[-1] = '\0';
1279
1280 while ((dent = readdir(dir))) {
1281 if (os_strncmp(dent->d_name, "AP-", 3) != 0 &&
1282 os_strncmp(dent->d_name, "STA-", 4) != 0)
1283 continue;
1284 if (drv->own_socket_path) {
1285 size_t olen, dlen;
1286 olen = os_strlen(drv->own_socket_path);
1287 dlen = os_strlen(dent->d_name);
1288 if (olen >= dlen &&
1289 os_strcmp(dent->d_name,
1290 drv->own_socket_path + olen - dlen) == 0)
1291 continue;
1292 }
1293 wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
1294
1295 os_memset(&addr, 0, sizeof(addr));
1296 addr.sun_family = AF_UNIX;
1297 os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
1298 path, dent->d_name);
1299
1300 if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1301 (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1302 perror("sendto(test_socket)");
1303 }
1304 }
1305 closedir(dir);
1306 }
1307 #endif /* DRIVER_TEST_UNIX */
1308
1309
1310 static int wpa_driver_test_scan(void *priv,
1311 struct wpa_driver_scan_params *params)
1312 {
1313 struct wpa_driver_test_data *drv = priv;
1314 size_t i;
1315
1316 wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
1317
1318 os_free(drv->probe_req_ie);
1319 if (params->extra_ies) {
1320 drv->probe_req_ie = os_malloc(params->extra_ies_len);
1321 if (drv->probe_req_ie == NULL) {
1322 drv->probe_req_ie_len = 0;
1323 return -1;
1324 }
1325 os_memcpy(drv->probe_req_ie, params->extra_ies,
1326 params->extra_ies_len);
1327 drv->probe_req_ie_len = params->extra_ies_len;
1328 } else {
1329 drv->probe_req_ie = NULL;
1330 drv->probe_req_ie_len = 0;
1331 }
1332
1333 for (i = 0; i < params->num_ssids; i++)
1334 wpa_hexdump(MSG_DEBUG, "Scan SSID",
1335 params->ssids[i].ssid, params->ssids[i].ssid_len);
1336 wpa_hexdump(MSG_DEBUG, "Scan extra IE(s)",
1337 params->extra_ies, params->extra_ies_len);
1338
1339 drv->num_scanres = 0;
1340
1341 #ifdef DRIVER_TEST_UNIX
1342 if (drv->test_socket >= 0 && drv->test_dir)
1343 wpa_driver_scan_dir(drv, drv->test_dir);
1344
1345 if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
1346 sendto(drv->test_socket, "SCAN", 4, 0,
1347 (struct sockaddr *) &drv->hostapd_addr,
1348 sizeof(drv->hostapd_addr)) < 0) {
1349 perror("sendto(test_socket)");
1350 }
1351 #endif /* DRIVER_TEST_UNIX */
1352
1353 if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1354 sendto(drv->test_socket, "SCAN", 4, 0,
1355 (struct sockaddr *) &drv->hostapd_addr_udp,
1356 sizeof(drv->hostapd_addr_udp)) < 0) {
1357 perror("sendto(test_socket)");
1358 }
1359
1360 eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1361 eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
1362 drv->ctx);
1363 return 0;
1364 }
1365
1366
1367 static struct wpa_scan_results * wpa_driver_test_get_scan_results2(void *priv)
1368 {
1369 struct wpa_driver_test_data *drv = priv;
1370 struct wpa_scan_results *res;
1371 size_t i;
1372
1373 res = os_zalloc(sizeof(*res));
1374 if (res == NULL)
1375 return NULL;
1376
1377 res->res = os_zalloc(drv->num_scanres * sizeof(struct wpa_scan_res *));
1378 if (res->res == NULL) {
1379 os_free(res);
1380 return NULL;
1381 }
1382
1383 for (i = 0; i < drv->num_scanres; i++) {
1384 struct wpa_scan_res *r;
1385 if (drv->scanres[i] == NULL)
1386 continue;
1387 r = os_malloc(sizeof(*r) + drv->scanres[i]->ie_len);
1388 if (r == NULL)
1389 break;
1390 os_memcpy(r, drv->scanres[i],
1391 sizeof(*r) + drv->scanres[i]->ie_len);
1392 res->res[res->num++] = r;
1393 }
1394
1395 return res;
1396 }
1397
1398
1399 static int wpa_driver_test_set_key(const char *ifname, void *priv, wpa_alg alg,
1400 const u8 *addr, int key_idx, int set_tx,
1401 const u8 *seq, size_t seq_len,
1402 const u8 *key, size_t key_len)
1403 {
1404 wpa_printf(MSG_DEBUG, "%s: ifname=%s priv=%p alg=%d key_idx=%d "
1405 "set_tx=%d",
1406 __func__, ifname, priv, alg, key_idx, set_tx);
1407 if (addr)
1408 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
1409 if (seq)
1410 wpa_hexdump(MSG_DEBUG, " seq", seq, seq_len);
1411 if (key)
1412 wpa_hexdump_key(MSG_DEBUG, " key", key, key_len);
1413 return 0;
1414 }
1415
1416
1417 static int wpa_driver_update_mode(struct wpa_driver_test_data *drv, int ap)
1418 {
1419 if (ap && !drv->ap) {
1420 wpa_driver_test_close_test_socket(drv);
1421 wpa_driver_test_attach(drv, drv->test_dir, 1);
1422 drv->ap = 1;
1423 } else if (!ap && drv->ap) {
1424 wpa_driver_test_close_test_socket(drv);
1425 wpa_driver_test_attach(drv, drv->test_dir, 0);
1426 drv->ap = 0;
1427 }
1428
1429 return 0;
1430 }
1431
1432
1433 static int wpa_driver_test_associate(
1434 void *priv, struct wpa_driver_associate_params *params)
1435 {
1436 struct wpa_driver_test_data *drv = priv;
1437 wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
1438 "group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
1439 __func__, priv, params->freq, params->pairwise_suite,
1440 params->group_suite, params->key_mgmt_suite,
1441 params->auth_alg, params->mode);
1442 if (params->bssid) {
1443 wpa_printf(MSG_DEBUG, " bssid=" MACSTR,
1444 MAC2STR(params->bssid));
1445 }
1446 if (params->ssid) {
1447 wpa_hexdump_ascii(MSG_DEBUG, " ssid",
1448 params->ssid, params->ssid_len);
1449 }
1450 if (params->wpa_ie) {
1451 wpa_hexdump(MSG_DEBUG, " wpa_ie",
1452 params->wpa_ie, params->wpa_ie_len);
1453 drv->assoc_wpa_ie_len = params->wpa_ie_len;
1454 if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
1455 drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
1456 os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
1457 drv->assoc_wpa_ie_len);
1458 } else
1459 drv->assoc_wpa_ie_len = 0;
1460
1461 wpa_driver_update_mode(drv, params->mode == IEEE80211_MODE_AP);
1462
1463 drv->ibss = params->mode == IEEE80211_MODE_IBSS;
1464 drv->privacy = params->key_mgmt_suite &
1465 (WPA_KEY_MGMT_IEEE8021X |
1466 WPA_KEY_MGMT_PSK |
1467 WPA_KEY_MGMT_WPA_NONE |
1468 WPA_KEY_MGMT_FT_IEEE8021X |
1469 WPA_KEY_MGMT_FT_PSK |
1470 WPA_KEY_MGMT_IEEE8021X_SHA256 |
1471 WPA_KEY_MGMT_PSK_SHA256);
1472 if (params->wep_key_len[params->wep_tx_keyidx])
1473 drv->privacy = 1;
1474
1475 #ifdef DRIVER_TEST_UNIX
1476 if (drv->test_dir && params->bssid &&
1477 params->mode != IEEE80211_MODE_IBSS) {
1478 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
1479 drv->hostapd_addr.sun_family = AF_UNIX;
1480 os_snprintf(drv->hostapd_addr.sun_path,
1481 sizeof(drv->hostapd_addr.sun_path),
1482 "%s/AP-" MACSTR,
1483 drv->test_dir, MAC2STR(params->bssid));
1484 drv->hostapd_addr_set = 1;
1485 }
1486 #endif /* DRIVER_TEST_UNIX */
1487
1488 if (params->mode == IEEE80211_MODE_AP) {
1489 struct test_driver_bss *bss;
1490 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
1491 drv->ssid_len = params->ssid_len;
1492
1493 test_driver_free_bsses(drv);
1494 bss = drv->bss = os_zalloc(sizeof(*drv->bss));
1495 if (bss == NULL)
1496 return -1;
1497 os_memcpy(bss->bssid, drv->own_addr, ETH_ALEN);
1498 os_memcpy(bss->ssid, params->ssid, params->ssid_len);
1499 bss->ssid_len = params->ssid_len;
1500 bss->privacy = drv->privacy;
1501 if (params->wpa_ie && params->wpa_ie_len) {
1502 bss->ie = os_malloc(params->wpa_ie_len);
1503 if (bss->ie) {
1504 os_memcpy(bss->ie, params->wpa_ie,
1505 params->wpa_ie_len);
1506 bss->ielen = params->wpa_ie_len;
1507 }
1508 }
1509 } else if (drv->test_socket >= 0 &&
1510 (drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
1511 char cmd[200], *pos, *end;
1512 int ret;
1513 end = cmd + sizeof(cmd);
1514 pos = cmd;
1515 ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
1516 MAC2STR(drv->own_addr));
1517 if (ret >= 0 && ret < end - pos)
1518 pos += ret;
1519 pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
1520 params->ssid_len);
1521 ret = os_snprintf(pos, end - pos, " ");
1522 if (ret >= 0 && ret < end - pos)
1523 pos += ret;
1524 pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
1525 params->wpa_ie_len);
1526 end[-1] = '\0';
1527 #ifdef DRIVER_TEST_UNIX
1528 if (drv->hostapd_addr_set &&
1529 sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1530 (struct sockaddr *) &drv->hostapd_addr,
1531 sizeof(drv->hostapd_addr)) < 0) {
1532 perror("sendto(test_socket)");
1533 return -1;
1534 }
1535 #endif /* DRIVER_TEST_UNIX */
1536 if (drv->hostapd_addr_udp_set &&
1537 sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
1538 (struct sockaddr *) &drv->hostapd_addr_udp,
1539 sizeof(drv->hostapd_addr_udp)) < 0) {
1540 perror("sendto(test_socket)");
1541 return -1;
1542 }
1543
1544 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
1545 drv->ssid_len = params->ssid_len;
1546 } else {
1547 drv->associated = 1;
1548 if (params->mode == IEEE80211_MODE_IBSS) {
1549 os_memcpy(drv->ssid, params->ssid, params->ssid_len);
1550 drv->ssid_len = params->ssid_len;
1551 if (params->bssid)
1552 os_memcpy(drv->bssid, params->bssid, ETH_ALEN);
1553 else {
1554 os_get_random(drv->bssid, ETH_ALEN);
1555 drv->bssid[0] &= ~0x01;
1556 drv->bssid[0] |= 0x02;
1557 }
1558 }
1559 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1560 }
1561
1562 return 0;
1563 }
1564
1565
1566 static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
1567 {
1568 struct wpa_driver_test_data *drv = priv;
1569 os_memcpy(bssid, drv->bssid, ETH_ALEN);
1570 return 0;
1571 }
1572
1573
1574 static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
1575 {
1576 struct wpa_driver_test_data *drv = priv;
1577 os_memcpy(ssid, drv->ssid, 32);
1578 return drv->ssid_len;
1579 }
1580
1581
1582 static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
1583 {
1584 #ifdef DRIVER_TEST_UNIX
1585 if (drv->test_socket >= 0 &&
1586 sendto(drv->test_socket, "DISASSOC", 8, 0,
1587 (struct sockaddr *) &drv->hostapd_addr,
1588 sizeof(drv->hostapd_addr)) < 0) {
1589 perror("sendto(test_socket)");
1590 return -1;
1591 }
1592 #endif /* DRIVER_TEST_UNIX */
1593 if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
1594 sendto(drv->test_socket, "DISASSOC", 8, 0,
1595 (struct sockaddr *) &drv->hostapd_addr_udp,
1596 sizeof(drv->hostapd_addr_udp)) < 0) {
1597 perror("sendto(test_socket)");
1598 return -1;
1599 }
1600 return 0;
1601 }
1602
1603
1604 static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
1605 int reason_code)
1606 {
1607 struct wpa_driver_test_data *drv = priv;
1608 wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1609 __func__, MAC2STR(addr), reason_code);
1610 os_memset(drv->bssid, 0, ETH_ALEN);
1611 drv->associated = 0;
1612 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1613 return wpa_driver_test_send_disassoc(drv);
1614 }
1615
1616
1617 static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
1618 int reason_code)
1619 {
1620 struct wpa_driver_test_data *drv = priv;
1621 wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
1622 __func__, MAC2STR(addr), reason_code);
1623 os_memset(drv->bssid, 0, ETH_ALEN);
1624 drv->associated = 0;
1625 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1626 return wpa_driver_test_send_disassoc(drv);
1627 }
1628
1629
1630 static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
1631 struct sockaddr *from,
1632 socklen_t fromlen,
1633 const char *data)
1634 {
1635 struct wpa_scan_res *res;
1636 const char *pos, *pos2;
1637 size_t len;
1638 u8 *ie_pos, *ie_start, *ie_end;
1639 #define MAX_IE_LEN 1000
1640
1641 wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
1642 if (drv->num_scanres >= MAX_SCAN_RESULTS) {
1643 wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
1644 "result");
1645 return;
1646 }
1647
1648 /* SCANRESP BSSID SSID IEs */
1649
1650 res = os_zalloc(sizeof(*res) + MAX_IE_LEN);
1651 if (res == NULL)
1652 return;
1653 ie_start = ie_pos = (u8 *) (res + 1);
1654 ie_end = ie_pos + MAX_IE_LEN;
1655
1656 if (hwaddr_aton(data, res->bssid)) {
1657 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
1658 os_free(res);
1659 return;
1660 }
1661
1662 pos = data + 17;
1663 while (*pos == ' ')
1664 pos++;
1665 pos2 = os_strchr(pos, ' ');
1666 if (pos2 == NULL) {
1667 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
1668 "in scanres");
1669 os_free(res);
1670 return;
1671 }
1672 len = (pos2 - pos) / 2;
1673 if (len > 32)
1674 len = 32;
1675 /*
1676 * Generate SSID IE from the SSID field since this IE is not included
1677 * in the main IE field.
1678 */
1679 *ie_pos++ = WLAN_EID_SSID;
1680 *ie_pos++ = len;
1681 if (hexstr2bin(pos, ie_pos, len) < 0) {
1682 wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
1683 os_free(res);
1684 return;
1685 }
1686 ie_pos += len;
1687
1688 pos = pos2 + 1;
1689 pos2 = os_strchr(pos, ' ');
1690 if (pos2 == NULL)
1691 len = os_strlen(pos) / 2;
1692 else
1693 len = (pos2 - pos) / 2;
1694 if ((int) len > ie_end - ie_pos)
1695 len = ie_end - ie_pos;
1696 if (hexstr2bin(pos, ie_pos, len) < 0) {
1697 wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
1698 os_free(res);
1699 return;
1700 }
1701 ie_pos += len;
1702 res->ie_len = ie_pos - ie_start;
1703
1704 if (pos2) {
1705 pos = pos2 + 1;
1706 while (*pos == ' ')
1707 pos++;
1708 if (os_strstr(pos, "PRIVACY"))
1709 res->caps |= IEEE80211_CAP_PRIVACY;
1710 if (os_strstr(pos, "IBSS"))
1711 res->caps |= IEEE80211_CAP_IBSS;
1712 }
1713
1714 os_free(drv->scanres[drv->num_scanres]);
1715 drv->scanres[drv->num_scanres++] = res;
1716 }
1717
1718
1719 static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
1720 struct sockaddr *from,
1721 socklen_t fromlen,
1722 const char *data)
1723 {
1724 /* ASSOCRESP BSSID <res> */
1725 if (hwaddr_aton(data, drv->bssid)) {
1726 wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
1727 "assocresp");
1728 }
1729 if (drv->use_associnfo) {
1730 union wpa_event_data event;
1731 os_memset(&event, 0, sizeof(event));
1732 event.assoc_info.req_ies = drv->assoc_wpa_ie;
1733 event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
1734 wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
1735 }
1736 drv->associated = 1;
1737 wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
1738 }
1739
1740
1741 static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
1742 struct sockaddr *from,
1743 socklen_t fromlen)
1744 {
1745 drv->associated = 0;
1746 wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
1747 }
1748
1749
1750 static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
1751 struct sockaddr *from,
1752 socklen_t fromlen,
1753 const u8 *data, size_t data_len)
1754 {
1755 const u8 *src = drv->bssid;
1756
1757 if (data_len > 14) {
1758 /* Skip Ethernet header */
1759 src = data + ETH_ALEN;
1760 data += 14;
1761 data_len -= 14;
1762 }
1763 #ifndef HOSTAPD
1764 wpa_supplicant_rx_eapol(drv->ctx, src, data, data_len);
1765 #endif /* HOSTAPD */
1766 }
1767
1768
1769 static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
1770 struct sockaddr *from,
1771 socklen_t fromlen,
1772 const u8 *data, size_t data_len)
1773 {
1774 #ifdef CONFIG_CLIENT_MLME
1775 struct ieee80211_rx_status rx_status;
1776 os_memset(&rx_status, 0, sizeof(rx_status));
1777 wpa_supplicant_sta_rx(drv->ctx, data, data_len, &rx_status);
1778 #endif /* CONFIG_CLIENT_MLME */
1779 }
1780
1781
1782 static void wpa_driver_test_scan_cmd(struct wpa_driver_test_data *drv,
1783 struct sockaddr *from,
1784 socklen_t fromlen,
1785 const u8 *data, size_t data_len)
1786 {
1787 char buf[512], *pos, *end;
1788 int ret;
1789
1790 /* data: optional [ STA-addr | ' ' | IEs(hex) ] */
1791
1792 if (!drv->ibss)
1793 return;
1794
1795 pos = buf;
1796 end = buf + sizeof(buf);
1797
1798 /* reply: SCANRESP BSSID SSID IEs */
1799 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
1800 MAC2STR(drv->bssid));
1801 if (ret < 0 || ret >= end - pos)
1802 return;
1803 pos += ret;
1804 pos += wpa_snprintf_hex(pos, end - pos,
1805 drv->ssid, drv->ssid_len);
1806 ret = snprintf(pos, end - pos, " ");
1807 if (ret < 0 || ret >= end - pos)
1808 return;
1809 pos += ret;
1810 pos += wpa_snprintf_hex(pos, end - pos, drv->assoc_wpa_ie,
1811 drv->assoc_wpa_ie_len);
1812
1813 if (drv->privacy) {
1814 ret = snprintf(pos, end - pos, " PRIVACY");
1815 if (ret < 0 || ret >= end - pos)
1816 return;
1817 pos += ret;
1818 }
1819
1820 ret = snprintf(pos, end - pos, " IBSS");
1821 if (ret < 0 || ret >= end - pos)
1822 return;
1823 pos += ret;
1824
1825 sendto(drv->test_socket, buf, pos - buf, 0,
1826 (struct sockaddr *) from, fromlen);
1827 }
1828
1829
1830 static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
1831 void *sock_ctx)
1832 {
1833 struct wpa_driver_test_data *drv = eloop_ctx;
1834 char *buf;
1835 int res;
1836 struct sockaddr_storage from;
1837 socklen_t fromlen = sizeof(from);
1838 const size_t buflen = 2000;
1839
1840 if (drv->ap) {
1841 test_driver_receive_unix(sock, eloop_ctx, sock_ctx);
1842 return;
1843 }
1844
1845 buf = os_malloc(buflen);
1846 if (buf == NULL)
1847 return;
1848 res = recvfrom(sock, buf, buflen - 1, 0,
1849 (struct sockaddr *) &from, &fromlen);
1850 if (res < 0) {
1851 perror("recvfrom(test_socket)");
1852 os_free(buf);
1853 return;
1854 }
1855 buf[res] = '\0';
1856
1857 wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
1858
1859 if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
1860 wpa_driver_test_scanresp(drv, (struct sockaddr *) &from,
1861 fromlen, buf + 9);
1862 } else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
1863 wpa_driver_test_assocresp(drv, (struct sockaddr *) &from,
1864 fromlen, buf + 10);
1865 } else if (os_strcmp(buf, "DISASSOC") == 0) {
1866 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1867 fromlen);
1868 } else if (os_strcmp(buf, "DEAUTH") == 0) {
1869 wpa_driver_test_disassoc(drv, (struct sockaddr *) &from,
1870 fromlen);
1871 } else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
1872 wpa_driver_test_eapol(drv, (struct sockaddr *) &from, fromlen,
1873 (const u8 *) buf + 6, res - 6);
1874 } else if (os_strncmp(buf, "MLME ", 5) == 0) {
1875 wpa_driver_test_mlme(drv, (struct sockaddr *) &from, fromlen,
1876 (const u8 *) buf + 5, res - 5);
1877 } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
1878 wpa_driver_test_scan_cmd(drv, (struct sockaddr *) &from,
1879 fromlen,
1880 (const u8 *) buf + 5, res - 5);
1881 } else {
1882 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
1883 (u8 *) buf, res);
1884 }
1885 os_free(buf);
1886 }
1887
1888
1889 static void * wpa_driver_test_init2(void *ctx, const char *ifname,
1890 void *global_priv)
1891 {
1892 struct wpa_driver_test_data *drv;
1893
1894 drv = os_zalloc(sizeof(*drv));
1895 if (drv == NULL)
1896 return NULL;
1897 drv->global = global_priv;
1898 drv->ctx = ctx;
1899 drv->test_socket = -1;
1900
1901 /* Set dummy BSSID and SSID for testing. */
1902 drv->bssid[0] = 0x02;
1903 drv->bssid[1] = 0x00;
1904 drv->bssid[2] = 0x00;
1905 drv->bssid[3] = 0x00;
1906 drv->bssid[4] = 0x00;
1907 drv->bssid[5] = 0x01;
1908 os_memcpy(drv->ssid, "test", 5);
1909 drv->ssid_len = 4;
1910
1911 /* Generate a MAC address to help testing with multiple STAs */
1912 drv->own_addr[0] = 0x02; /* locally administered */
1913 sha1_prf((const u8 *) ifname, os_strlen(ifname),
1914 "wpa_supplicant test mac addr generation",
1915 NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
1916 eloop_register_timeout(1, 0, wpa_driver_test_poll, drv, NULL);
1917
1918 return drv;
1919 }
1920
1921
1922 static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
1923 {
1924 if (drv->test_socket >= 0) {
1925 eloop_unregister_read_sock(drv->test_socket);
1926 close(drv->test_socket);
1927 drv->test_socket = -1;
1928 }
1929
1930 if (drv->own_socket_path) {
1931 unlink(drv->own_socket_path);
1932 os_free(drv->own_socket_path);
1933 drv->own_socket_path = NULL;
1934 }
1935 }
1936
1937
1938 static void wpa_driver_test_deinit(void *priv)
1939 {
1940 struct wpa_driver_test_data *drv = priv;
1941 struct test_client_socket *cli, *prev;
1942 int i;
1943
1944 cli = drv->cli;
1945 while (cli) {
1946 prev = cli;
1947 cli = cli->next;
1948 os_free(prev);
1949 }
1950
1951 #ifdef HOSTAPD
1952 /* There should be only one BSS remaining at this point. */
1953 if (drv->bss == NULL)
1954 wpa_printf(MSG_ERROR, "%s: drv->bss == NULL", __func__);
1955 else if (drv->bss->next)
1956 wpa_printf(MSG_ERROR, "%s: drv->bss->next != NULL", __func__);
1957 #endif /* HOSTAPD */
1958
1959 test_driver_free_bsses(drv);
1960
1961 wpa_driver_test_close_test_socket(drv);
1962 eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
1963 eloop_cancel_timeout(wpa_driver_test_poll, drv, NULL);
1964 os_free(drv->test_dir);
1965 for (i = 0; i < MAX_SCAN_RESULTS; i++)
1966 os_free(drv->scanres[i]);
1967 os_free(drv->probe_req_ie);
1968 os_free(drv);
1969 }
1970
1971
1972 static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
1973 const char *dir, int ap)
1974 {
1975 #ifdef DRIVER_TEST_UNIX
1976 static unsigned int counter = 0;
1977 struct sockaddr_un addr;
1978 size_t len;
1979
1980 os_free(drv->own_socket_path);
1981 if (dir) {
1982 len = os_strlen(dir) + 30;
1983 drv->own_socket_path = os_malloc(len);
1984 if (drv->own_socket_path == NULL)
1985 return -1;
1986 os_snprintf(drv->own_socket_path, len, "%s/%s-" MACSTR,
1987 dir, ap ? "AP" : "STA", MAC2STR(drv->own_addr));
1988 } else {
1989 drv->own_socket_path = os_malloc(100);
1990 if (drv->own_socket_path == NULL)
1991 return -1;
1992 os_snprintf(drv->own_socket_path, 100,
1993 "/tmp/wpa_supplicant_test-%d-%d",
1994 getpid(), counter++);
1995 }
1996
1997 drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
1998 if (drv->test_socket < 0) {
1999 perror("socket(PF_UNIX)");
2000 os_free(drv->own_socket_path);
2001 drv->own_socket_path = NULL;
2002 return -1;
2003 }
2004
2005 os_memset(&addr, 0, sizeof(addr));
2006 addr.sun_family = AF_UNIX;
2007 os_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
2008 if (bind(drv->test_socket, (struct sockaddr *) &addr,
2009 sizeof(addr)) < 0) {
2010 perror("bind(PF_UNIX)");
2011 close(drv->test_socket);
2012 unlink(drv->own_socket_path);
2013 os_free(drv->own_socket_path);
2014 drv->own_socket_path = NULL;
2015 return -1;
2016 }
2017
2018 eloop_register_read_sock(drv->test_socket,
2019 wpa_driver_test_receive_unix, drv, NULL);
2020
2021 return 0;
2022 #else /* DRIVER_TEST_UNIX */
2023 return -1;
2024 #endif /* DRIVER_TEST_UNIX */
2025 }
2026
2027
2028 static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
2029 char *dst)
2030 {
2031 char *pos;
2032
2033 pos = os_strchr(dst, ':');
2034 if (pos == NULL)
2035 return -1;
2036 *pos++ = '\0';
2037 wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
2038
2039 drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
2040 if (drv->test_socket < 0) {
2041 perror("socket(PF_INET)");
2042 return -1;
2043 }
2044
2045 os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
2046 drv->hostapd_addr_udp.sin_family = AF_INET;
2047 #if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
2048 {
2049 int a[4];
2050 u8 *pos;
2051 sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
2052 pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
2053 *pos++ = a[0];
2054 *pos++ = a[1];
2055 *pos++ = a[2];
2056 *pos++ = a[3];
2057 }
2058 #else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2059 inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
2060 #endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
2061 drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
2062
2063 drv->hostapd_addr_udp_set = 1;
2064
2065 eloop_register_read_sock(drv->test_socket,
2066 wpa_driver_test_receive_unix, drv, NULL);
2067
2068 return 0;
2069 }
2070
2071
2072 static int wpa_driver_test_set_param(void *priv, const char *param)
2073 {
2074 struct wpa_driver_test_data *drv = priv;
2075 const char *pos;
2076
2077 wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
2078 if (param == NULL)
2079 return 0;
2080
2081 wpa_driver_test_close_test_socket(drv);
2082
2083 #ifdef DRIVER_TEST_UNIX
2084 pos = os_strstr(param, "test_socket=");
2085 if (pos) {
2086 const char *pos2;
2087 size_t len;
2088
2089 pos += 12;
2090 pos2 = os_strchr(pos, ' ');
2091 if (pos2)
2092 len = pos2 - pos;
2093 else
2094 len = os_strlen(pos);
2095 if (len > sizeof(drv->hostapd_addr.sun_path))
2096 return -1;
2097 os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
2098 drv->hostapd_addr.sun_family = AF_UNIX;
2099 os_memcpy(drv->hostapd_addr.sun_path, pos, len);
2100 drv->hostapd_addr_set = 1;
2101 }
2102 #endif /* DRIVER_TEST_UNIX */
2103
2104 pos = os_strstr(param, "test_dir=");
2105 if (pos) {
2106 char *end;
2107 os_free(drv->test_dir);
2108 drv->test_dir = os_strdup(pos + 9);
2109 if (drv->test_dir == NULL)
2110 return -1;
2111 end = os_strchr(drv->test_dir, ' ');
2112 if (end)
2113 *end = '\0';
2114 if (wpa_driver_test_attach(drv, drv->test_dir, 0))
2115 return -1;
2116 } else {
2117 pos = os_strstr(param, "test_udp=");
2118 if (pos) {
2119 char *dst, *epos;
2120 dst = os_strdup(pos + 9);
2121 if (dst == NULL)
2122 return -1;
2123 epos = os_strchr(dst, ' ');
2124 if (epos)
2125 *epos = '\0';
2126 if (wpa_driver_test_attach_udp(drv, dst))
2127 return -1;
2128 os_free(dst);
2129 } else if (wpa_driver_test_attach(drv, NULL, 0))
2130 return -1;
2131 }
2132
2133 if (os_strstr(param, "use_associnfo=1")) {
2134 wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
2135 drv->use_associnfo = 1;
2136 }
2137
2138 #ifdef CONFIG_CLIENT_MLME
2139 if (os_strstr(param, "use_mlme=1")) {
2140 wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
2141 drv->use_mlme = 1;
2142 }
2143 #endif /* CONFIG_CLIENT_MLME */
2144
2145 return 0;
2146 }
2147
2148
2149 static const u8 * wpa_driver_test_get_mac_addr(void *priv)
2150 {
2151 struct wpa_driver_test_data *drv = priv;
2152 wpa_printf(MSG_DEBUG, "%s", __func__);
2153 return drv->own_addr;
2154 }
2155
2156
2157 static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
2158 const u8 *data, size_t data_len)
2159 {
2160 struct wpa_driver_test_data *drv = priv;
2161 char *msg;
2162 size_t msg_len;
2163 struct l2_ethhdr eth;
2164 struct sockaddr *addr;
2165 socklen_t alen;
2166 #ifdef DRIVER_TEST_UNIX
2167 struct sockaddr_un addr_un;
2168 #endif /* DRIVER_TEST_UNIX */
2169
2170 wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
2171
2172 os_memset(&eth, 0, sizeof(eth));
2173 os_memcpy(eth.h_dest, dest, ETH_ALEN);
2174 os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
2175 eth.h_proto = host_to_be16(proto);
2176
2177 msg_len = 6 + sizeof(eth) + data_len;
2178 msg = os_malloc(msg_len);
2179 if (msg == NULL)
2180 return -1;
2181 os_memcpy(msg, "EAPOL ", 6);
2182 os_memcpy(msg + 6, &eth, sizeof(eth));
2183 os_memcpy(msg + 6 + sizeof(eth), data, data_len);
2184
2185 if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
2186 drv->test_dir == NULL) {
2187 if (drv->hostapd_addr_udp_set) {
2188 addr = (struct sockaddr *) &drv->hostapd_addr_udp;
2189 alen = sizeof(drv->hostapd_addr_udp);
2190 } else {
2191 #ifdef DRIVER_TEST_UNIX
2192 addr = (struct sockaddr *) &drv->hostapd_addr;
2193 alen = sizeof(drv->hostapd_addr);
2194 #else /* DRIVER_TEST_UNIX */
2195 os_free(msg);
2196 return -1;
2197 #endif /* DRIVER_TEST_UNIX */
2198 }
2199 } else {
2200 #ifdef DRIVER_TEST_UNIX
2201 struct stat st;
2202 os_memset(&addr_un, 0, sizeof(addr_un));
2203 addr_un.sun_family = AF_UNIX;
2204 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2205 "%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
2206 if (stat(addr_un.sun_path, &st) < 0) {
2207 os_snprintf(addr_un.sun_path, sizeof(addr_un.sun_path),
2208 "%s/AP-" MACSTR,
2209 drv->test_dir, MAC2STR(dest));
2210 }
2211 addr = (struct sockaddr *) &addr_un;
2212 alen = sizeof(addr_un);
2213 #else /* DRIVER_TEST_UNIX */
2214 os_free(msg);
2215 return -1;
2216 #endif /* DRIVER_TEST_UNIX */
2217 }
2218
2219 if (sendto(drv->test_socket, msg, msg_len, 0, addr, alen) < 0) {
2220 perror("sendmsg(test_socket)");
2221 os_free(msg);
2222 return -1;
2223 }
2224
2225 os_free(msg);
2226 return 0;
2227 }
2228
2229
2230 static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
2231 {
2232 struct wpa_driver_test_data *drv = priv;
2233 os_memset(capa, 0, sizeof(*capa));
2234 capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2235 WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2236 WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2237 WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
2238 WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE |
2239 WPA_DRIVER_CAPA_KEY_MGMT_FT |
2240 WPA_DRIVER_CAPA_KEY_MGMT_FT_PSK;
2241 capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
2242 WPA_DRIVER_CAPA_ENC_WEP104 |
2243 WPA_DRIVER_CAPA_ENC_TKIP |
2244 WPA_DRIVER_CAPA_ENC_CCMP;
2245 capa->auth = WPA_DRIVER_AUTH_OPEN |
2246 WPA_DRIVER_AUTH_SHARED |
2247 WPA_DRIVER_AUTH_LEAP;
2248 if (drv->use_mlme)
2249 capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
2250 capa->flags |= WPA_DRIVER_FLAGS_AP;
2251 capa->max_scan_ssids = 2;
2252
2253 return 0;
2254 }
2255
2256
2257 static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
2258 int protect_type,
2259 int key_type)
2260 {
2261 wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
2262 __func__, protect_type, key_type);
2263
2264 if (addr) {
2265 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
2266 __func__, MAC2STR(addr));
2267 }
2268
2269 return 0;
2270 }
2271
2272
2273 static int wpa_driver_test_set_channel(void *priv, hostapd_hw_mode phymode,
2274 int chan, int freq)
2275 {
2276 wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
2277 __func__, phymode, chan, freq);
2278 return 0;
2279 }
2280
2281
2282 static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
2283 const u8 *supp_rates,
2284 size_t supp_rates_len)
2285 {
2286 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2287 return 0;
2288 }
2289
2290
2291 static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
2292 {
2293 wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
2294 return 0;
2295 }
2296
2297
2298 static int wpa_driver_test_set_ssid(void *priv, const u8 *ssid,
2299 size_t ssid_len)
2300 {
2301 wpa_printf(MSG_DEBUG, "%s", __func__);
2302 return 0;
2303 }
2304
2305
2306 static int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
2307 {
2308 wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
2309 return 0;
2310 }
2311
2312
2313 static void * wpa_driver_test_global_init(void)
2314 {
2315 struct wpa_driver_test_global *global;
2316
2317 global = os_zalloc(sizeof(*global));
2318 return global;
2319 }
2320
2321
2322 static void wpa_driver_test_global_deinit(void *priv)
2323 {
2324 struct wpa_driver_test_global *global = priv;
2325 os_free(global);
2326 }
2327
2328
2329 static struct wpa_interface_info *
2330 wpa_driver_test_get_interfaces(void *global_priv)
2331 {
2332 /* struct wpa_driver_test_global *global = priv; */
2333 struct wpa_interface_info *iface;
2334
2335 iface = os_zalloc(sizeof(*iface));
2336 if (iface == NULL)
2337 return iface;
2338 iface->ifname = os_strdup("sta0");
2339 iface->desc = os_strdup("test interface 0");
2340 iface->drv_name = "test";
2341 iface->next = os_zalloc(sizeof(*iface));
2342 if (iface->next) {
2343 iface->next->ifname = os_strdup("sta1");
2344 iface->next->desc = os_strdup("test interface 1");
2345 iface->next->drv_name = "test";
2346 }
2347
2348 return iface;
2349 }
2350
2351
2352 static struct hostapd_hw_modes *
2353 wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
2354 {
2355 struct hostapd_hw_modes *modes;
2356
2357 *num_modes = 3;
2358 *flags = 0;
2359 modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
2360 if (modes == NULL)
2361 return NULL;
2362 modes[0].mode = HOSTAPD_MODE_IEEE80211G;
2363 modes[0].num_channels = 1;
2364 modes[0].num_rates = 1;
2365 modes[0].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2366 modes[0].rates = os_zalloc(sizeof(int));
2367 if (modes[0].channels == NULL || modes[0].rates == NULL)
2368 goto fail;
2369 modes[0].channels[0].chan = 1;
2370 modes[0].channels[0].freq = 2412;
2371 modes[0].channels[0].flag = 0;
2372 modes[0].rates[0] = 10;
2373
2374 modes[1].mode = HOSTAPD_MODE_IEEE80211B;
2375 modes[1].num_channels = 1;
2376 modes[1].num_rates = 1;
2377 modes[1].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2378 modes[1].rates = os_zalloc(sizeof(int));
2379 if (modes[1].channels == NULL || modes[1].rates == NULL)
2380 goto fail;
2381 modes[1].channels[0].chan = 1;
2382 modes[1].channels[0].freq = 2412;
2383 modes[1].channels[0].flag = 0;
2384 modes[1].rates[0] = 10;
2385
2386 modes[2].mode = HOSTAPD_MODE_IEEE80211A;
2387 modes[2].num_channels = 1;
2388 modes[2].num_rates = 1;
2389 modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
2390 modes[2].rates = os_zalloc(sizeof(int));
2391 if (modes[2].channels == NULL || modes[2].rates == NULL)
2392 goto fail;
2393 modes[2].channels[0].chan = 60;
2394 modes[2].channels[0].freq = 5300;
2395 modes[2].channels[0].flag = 0;
2396 modes[2].rates[0] = 60;
2397
2398 return modes;
2399
2400 fail:
2401 if (modes) {
2402 size_t i;
2403 for (i = 0; i < *num_modes; i++) {
2404 os_free(modes[i].channels);
2405 os_free(modes[i].rates);
2406 }
2407 os_free(modes);
2408 }
2409 return NULL;
2410 }
2411
2412
2413 const struct wpa_driver_ops wpa_driver_test_ops = {
2414 "test",
2415 "wpa_supplicant test driver",
2416 .hapd_init = test_driver_init,
2417 .hapd_deinit = wpa_driver_test_deinit,
2418 .hapd_send_eapol = test_driver_send_eapol,
2419 .send_mlme = wpa_driver_test_send_mlme,
2420 .set_generic_elem = test_driver_set_generic_elem,
2421 .sta_deauth = test_driver_sta_deauth,
2422 .sta_disassoc = test_driver_sta_disassoc,
2423 .get_hw_feature_data = wpa_driver_test_get_hw_feature_data,
2424 .if_add = test_driver_if_add,
2425 .if_remove = test_driver_if_remove,
2426 .valid_bss_mask = test_driver_valid_bss_mask,
2427 .hapd_set_ssid = test_driver_set_ssid,
2428 .set_privacy = test_driver_set_privacy,
2429 .set_sta_vlan = test_driver_set_sta_vlan,
2430 .sta_add = test_driver_sta_add,
2431 .send_ether = test_driver_send_ether,
2432 .set_wps_beacon_ie = test_driver_set_wps_beacon_ie,
2433 .set_wps_probe_resp_ie = test_driver_set_wps_probe_resp_ie,
2434 .get_bssid = wpa_driver_test_get_bssid,
2435 .get_ssid = wpa_driver_test_get_ssid,
2436 .set_key = wpa_driver_test_set_key,
2437 .deinit = wpa_driver_test_deinit,
2438 .set_param = wpa_driver_test_set_param,
2439 .deauthenticate = wpa_driver_test_deauthenticate,
2440 .disassociate = wpa_driver_test_disassociate,
2441 .associate = wpa_driver_test_associate,
2442 .get_capa = wpa_driver_test_get_capa,
2443 .get_mac_addr = wpa_driver_test_get_mac_addr,
2444 .send_eapol = wpa_driver_test_send_eapol,
2445 .mlme_setprotection = wpa_driver_test_mlme_setprotection,
2446 .set_channel = wpa_driver_test_set_channel,
2447 .set_ssid = wpa_driver_test_set_ssid,
2448 .set_bssid = wpa_driver_test_set_bssid,
2449 .mlme_add_sta = wpa_driver_test_mlme_add_sta,
2450 .mlme_remove_sta = wpa_driver_test_mlme_remove_sta,
2451 .get_scan_results2 = wpa_driver_test_get_scan_results2,
2452 .global_init = wpa_driver_test_global_init,
2453 .global_deinit = wpa_driver_test_global_deinit,
2454 .init2 = wpa_driver_test_init2,
2455 .get_interfaces = wpa_driver_test_get_interfaces,
2456 .scan2 = wpa_driver_test_scan,
2457 };
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