2 * hostapd / Driver interface for development testing
3 * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
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.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
23 #include "ieee802_1x.h"
26 #include "accounting.h"
27 #include "radius/radius.h"
28 #include "l2_packet/l2_packet.h"
29 #include "ieee802_11.h"
30 #include "hw_features.h"
31 #include "wps_hostapd.h"
34 struct test_client_socket {
35 struct test_client_socket *next;
37 struct sockaddr_un un;
39 struct test_driver_bss *bss;
42 struct test_driver_bss {
43 struct test_driver_bss *next;
44 char ifname[IFNAMSIZ + 1];
49 size_t wps_beacon_ie_len;
50 u8 *wps_probe_resp_ie;
51 size_t wps_probe_resp_ie_len;
57 struct test_driver_data {
58 struct hostapd_data *hapd;
59 struct test_client_socket *cli;
61 struct test_driver_bss *bss;
63 char *own_socket_path;
68 static void test_driver_free_bss(struct test_driver_bss *bss)
71 free(bss->wps_beacon_ie);
72 free(bss->wps_probe_resp_ie);
77 static void test_driver_free_priv(struct test_driver_data *drv)
79 struct test_driver_bss *bss, *prev;
88 test_driver_free_bss(prev);
90 free(drv->own_socket_path);
91 free(drv->socket_dir);
96 static struct test_client_socket *
97 test_driver_get_cli(struct test_driver_data *drv, struct sockaddr_un *from,
100 struct test_client_socket *cli = drv->cli;
103 if (cli->unlen == fromlen &&
104 strncmp(cli->un.sun_path, from->sun_path,
105 fromlen - sizeof(cli->un.sun_family)) == 0)
114 static int test_driver_send_eapol(void *priv, const u8 *addr, const u8 *data,
115 size_t data_len, int encrypt,
118 struct test_driver_data *drv = priv;
119 struct test_client_socket *cli;
122 struct l2_ethhdr eth;
124 if (drv->test_socket < 0)
129 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
135 wpa_printf(MSG_DEBUG, "%s: no destination client entry",
140 memcpy(eth.h_dest, addr, ETH_ALEN);
141 memcpy(eth.h_source, own_addr, ETH_ALEN);
142 eth.h_proto = htons(ETH_P_EAPOL);
144 io[0].iov_base = "EAPOL ";
146 io[1].iov_base = ð
147 io[1].iov_len = sizeof(eth);
148 io[2].iov_base = (u8 *) data;
149 io[2].iov_len = data_len;
151 memset(&msg, 0, sizeof(msg));
154 msg.msg_name = &cli->un;
155 msg.msg_namelen = cli->unlen;
156 return sendmsg(drv->test_socket, &msg, 0);
160 static int test_driver_send_ether(void *priv, const u8 *dst, const u8 *src,
161 u16 proto, const u8 *data, size_t data_len)
163 struct test_driver_data *drv = priv;
166 struct l2_ethhdr eth;
168 struct sockaddr_un addr;
171 int ret = 0, broadcast = 0, count = 0;
173 if (drv->test_socket < 0 || drv->socket_dir == NULL) {
174 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d "
176 __func__, drv->test_socket, drv->socket_dir);
180 broadcast = memcmp(dst, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
181 snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dst));
183 memcpy(eth.h_dest, dst, ETH_ALEN);
184 memcpy(eth.h_source, src, ETH_ALEN);
185 eth.h_proto = htons(proto);
187 io[0].iov_base = "ETHER ";
189 io[1].iov_base = ð
190 io[1].iov_len = sizeof(eth);
191 io[2].iov_base = (u8 *) data;
192 io[2].iov_len = data_len;
194 memset(&msg, 0, sizeof(msg));
198 dir = opendir(drv->socket_dir);
200 perror("test_driver: opendir");
203 while ((dent = readdir(dir))) {
204 #ifdef _DIRENT_HAVE_D_TYPE
205 /* Skip the file if it is not a socket. Also accept
206 * DT_UNKNOWN (0) in case the C library or underlying file
207 * system does not support d_type. */
208 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
210 #endif /* _DIRENT_HAVE_D_TYPE */
211 if (strcmp(dent->d_name, ".") == 0 ||
212 strcmp(dent->d_name, "..") == 0)
215 memset(&addr, 0, sizeof(addr));
216 addr.sun_family = AF_UNIX;
217 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
218 drv->socket_dir, dent->d_name);
220 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
222 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
225 wpa_printf(MSG_DEBUG, "%s: Send ether frame to %s",
226 __func__, dent->d_name);
228 msg.msg_name = &addr;
229 msg.msg_namelen = sizeof(addr);
230 ret = sendmsg(drv->test_socket, &msg, 0);
232 perror("driver_test: sendmsg");
237 if (!broadcast && count == 0) {
238 wpa_printf(MSG_DEBUG, "%s: Destination " MACSTR " not found",
239 __func__, MAC2STR(dst));
247 static int test_driver_send_mgmt_frame(void *priv, const void *buf,
248 size_t len, int flags)
250 struct test_driver_data *drv = priv;
254 int ret = 0, broadcast = 0;
256 struct sockaddr_un addr;
259 struct ieee80211_hdr *hdr;
262 if (drv->test_socket < 0 || len < 10 || drv->socket_dir == NULL) {
263 wpa_printf(MSG_DEBUG, "%s: invalid parameters (sock=%d len=%lu"
265 __func__, drv->test_socket, (unsigned long) len,
272 broadcast = memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0;
273 snprintf(desttxt, sizeof(desttxt), MACSTR, MAC2STR(dest));
275 io[0].iov_base = "MLME ";
277 io[1].iov_base = (void *) buf;
280 memset(&msg, 0, sizeof(msg));
284 dir = opendir(drv->socket_dir);
286 perror("test_driver: opendir");
289 while ((dent = readdir(dir))) {
290 #ifdef _DIRENT_HAVE_D_TYPE
291 /* Skip the file if it is not a socket. Also accept
292 * DT_UNKNOWN (0) in case the C library or underlying file
293 * system does not support d_type. */
294 if (dent->d_type != DT_SOCK && dent->d_type != DT_UNKNOWN)
296 #endif /* _DIRENT_HAVE_D_TYPE */
297 if (strcmp(dent->d_name, ".") == 0 ||
298 strcmp(dent->d_name, "..") == 0)
301 memset(&addr, 0, sizeof(addr));
302 addr.sun_family = AF_UNIX;
303 snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
304 drv->socket_dir, dent->d_name);
306 if (strcmp(addr.sun_path, drv->own_socket_path) == 0)
308 if (!broadcast && strstr(dent->d_name, desttxt) == NULL)
311 wpa_printf(MSG_DEBUG, "%s: Send management frame to %s",
312 __func__, dent->d_name);
314 msg.msg_name = &addr;
315 msg.msg_namelen = sizeof(addr);
316 ret = sendmsg(drv->test_socket, &msg, 0);
318 perror("driver_test: sendmsg");
322 hdr = (struct ieee80211_hdr *) buf;
323 fc = le_to_host16(hdr->frame_control);
324 ieee802_11_mgmt_cb(drv->hapd, (u8 *) buf, len, WLAN_FC_GET_STYPE(fc),
331 static void test_driver_scan(struct test_driver_data *drv,
332 struct sockaddr_un *from, socklen_t fromlen,
335 char buf[512], *pos, *end;
337 struct test_driver_bss *bss;
342 /* data: optional [ ' ' | STA-addr | ' ' | IEs(hex) ] */
344 wpa_printf(MSG_DEBUG, "test_driver: SCAN");
348 hwaddr_aton(data + 1, sa)) {
349 wpa_printf(MSG_DEBUG, "test_driver: Unexpected SCAN "
357 ielen = os_strlen(data) / 2;
358 if (ielen > sizeof(ie))
360 if (hexstr2bin(data, ie, ielen) < 0)
363 wpa_printf(MSG_DEBUG, "test_driver: Scan from " MACSTR,
365 wpa_hexdump(MSG_MSGDUMP, "test_driver: scan IEs", ie, ielen);
367 hostapd_wps_probe_req_rx(drv->hapd, sa, ie, ielen);
370 for (bss = drv->bss; bss; bss = bss->next) {
372 end = buf + sizeof(buf);
374 /* reply: SCANRESP BSSID SSID IEs */
375 ret = snprintf(pos, end - pos, "SCANRESP " MACSTR " ",
376 MAC2STR(bss->bssid));
377 if (ret < 0 || ret >= end - pos)
380 pos += wpa_snprintf_hex(pos, end - pos,
381 bss->ssid, bss->ssid_len);
382 ret = snprintf(pos, end - pos, " ");
383 if (ret < 0 || ret >= end - pos)
386 pos += wpa_snprintf_hex(pos, end - pos, bss->ie, bss->ielen);
387 pos += wpa_snprintf_hex(pos, end - pos, bss->wps_probe_resp_ie,
388 bss->wps_probe_resp_ie_len);
391 ret = snprintf(pos, end - pos, " PRIVACY");
392 if (ret < 0 || ret >= end - pos)
397 sendto(drv->test_socket, buf, pos - buf, 0,
398 (struct sockaddr *) from, fromlen);
403 static struct hostapd_data * test_driver_get_hapd(struct test_driver_data *drv,
404 struct test_driver_bss *bss)
406 struct hostapd_iface *iface = drv->hapd->iface;
407 struct hostapd_data *hapd = NULL;
411 wpa_printf(MSG_DEBUG, "%s: bss == NULL", __func__);
415 for (i = 0; i < iface->num_bss; i++) {
416 hapd = iface->bss[i];
417 if (memcmp(hapd->own_addr, bss->bssid, ETH_ALEN) == 0)
420 if (i == iface->num_bss) {
421 wpa_printf(MSG_DEBUG, "%s: no matching interface entry found "
422 "for BSSID " MACSTR, __func__, MAC2STR(bss->bssid));
430 static int test_driver_new_sta(struct test_driver_data *drv,
431 struct test_driver_bss *bss, const u8 *addr,
432 const u8 *ie, size_t ielen)
434 struct hostapd_data *hapd;
435 struct sta_info *sta;
438 hapd = test_driver_get_hapd(drv, bss);
442 hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
443 HOSTAPD_LEVEL_INFO, "associated");
445 sta = ap_get_sta(hapd, addr);
447 accounting_sta_stop(hapd, sta);
449 sta = ap_sta_add(hapd, addr);
453 sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
455 if (hapd->conf->wpa) {
456 if (ie == NULL || ielen == 0) {
457 if (hapd->conf->wps_state) {
458 sta->flags |= WLAN_STA_WPS;
462 printf("test_driver: no IE from STA\n");
465 if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
466 os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
467 sta->flags |= WLAN_STA_WPS;
471 if (sta->wpa_sm == NULL)
472 sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
474 if (sta->wpa_sm == NULL) {
475 printf("test_driver: Failed to initialize WPA state "
479 res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
481 if (res != WPA_IE_OK) {
482 printf("WPA/RSN information element rejected? "
484 wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
490 new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
491 sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
492 wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
494 hostapd_new_assoc_sta(hapd, sta, !new_assoc);
496 ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
502 static void test_driver_assoc(struct test_driver_data *drv,
503 struct sockaddr_un *from, socklen_t fromlen,
506 struct test_client_socket *cli;
507 u8 ie[256], ssid[32];
508 size_t ielen, ssid_len = 0;
509 char *pos, *pos2, cmd[50];
510 struct test_driver_bss *bss;
512 /* data: STA-addr SSID(hex) IEs(hex) */
514 cli = os_zalloc(sizeof(*cli));
518 if (hwaddr_aton(data, cli->addr)) {
519 printf("test_socket: Invalid MAC address '%s' in ASSOC\n",
527 pos2 = strchr(pos, ' ');
530 ssid_len = (pos2 - pos) / 2;
531 if (hexstr2bin(pos, ssid, ssid_len) < 0) {
532 wpa_printf(MSG_DEBUG, "%s: Invalid SSID", __func__);
536 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_assoc: SSID",
540 ielen = strlen(pos) / 2;
541 if (ielen > sizeof(ie))
543 if (hexstr2bin(pos, ie, ielen) < 0)
547 for (bss = drv->bss; bss; bss = bss->next) {
548 if (bss->ssid_len == ssid_len &&
549 memcmp(bss->ssid, ssid, ssid_len) == 0)
553 wpa_printf(MSG_DEBUG, "%s: No matching SSID found from "
554 "configured BSSes", __func__);
560 memcpy(&cli->un, from, sizeof(cli->un));
561 cli->unlen = fromlen;
562 cli->next = drv->cli;
564 wpa_hexdump_ascii(MSG_DEBUG, "test_socket: ASSOC sun_path",
565 (const u8 *) cli->un.sun_path,
566 cli->unlen - sizeof(cli->un.sun_family));
568 snprintf(cmd, sizeof(cmd), "ASSOCRESP " MACSTR " 0",
569 MAC2STR(bss->bssid));
570 sendto(drv->test_socket, cmd, strlen(cmd), 0,
571 (struct sockaddr *) from, fromlen);
573 if (test_driver_new_sta(drv, bss, cli->addr, ie, ielen) < 0) {
574 wpa_printf(MSG_DEBUG, "test_driver: failed to add new STA");
579 static void test_driver_disassoc(struct test_driver_data *drv,
580 struct sockaddr_un *from, socklen_t fromlen)
582 struct test_client_socket *cli;
583 struct sta_info *sta;
585 cli = test_driver_get_cli(drv, from, fromlen);
589 hostapd_logger(drv->hapd, cli->addr, HOSTAPD_MODULE_IEEE80211,
590 HOSTAPD_LEVEL_INFO, "disassociated");
592 sta = ap_get_sta(drv->hapd, cli->addr);
594 sta->flags &= ~WLAN_STA_ASSOC;
595 wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
596 sta->acct_terminate_cause =
597 RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
598 ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
599 ap_free_sta(drv->hapd, sta);
604 static void test_driver_eapol(struct test_driver_data *drv,
605 struct sockaddr_un *from, socklen_t fromlen,
606 u8 *data, size_t datalen)
608 struct test_client_socket *cli;
610 u8 *proto = data + 2 * ETH_ALEN;
611 /* Skip Ethernet header */
612 wpa_printf(MSG_DEBUG, "test_driver: dst=" MACSTR " src="
613 MACSTR " proto=%04x",
614 MAC2STR(data), MAC2STR(data + ETH_ALEN),
615 WPA_GET_BE16(proto));
619 cli = test_driver_get_cli(drv, from, fromlen);
621 struct hostapd_data *hapd;
622 hapd = test_driver_get_hapd(drv, cli->bss);
625 ieee802_1x_receive(hapd, cli->addr, data, datalen);
627 wpa_printf(MSG_DEBUG, "test_socket: EAPOL from unknown "
633 static void test_driver_ether(struct test_driver_data *drv,
634 struct sockaddr_un *from, socklen_t fromlen,
635 u8 *data, size_t datalen)
637 struct l2_ethhdr *eth;
639 if (datalen < sizeof(*eth))
642 eth = (struct l2_ethhdr *) data;
643 wpa_printf(MSG_DEBUG, "test_driver: RX ETHER dst=" MACSTR " src="
644 MACSTR " proto=%04x",
645 MAC2STR(eth->h_dest), MAC2STR(eth->h_source),
646 be_to_host16(eth->h_proto));
648 #ifdef CONFIG_IEEE80211R
649 if (be_to_host16(eth->h_proto) == ETH_P_RRB) {
650 wpa_ft_rrb_rx(drv->hapd->wpa_auth, eth->h_source,
651 data + sizeof(*eth), datalen - sizeof(*eth));
653 #endif /* CONFIG_IEEE80211R */
657 static void test_driver_mlme(struct test_driver_data *drv,
658 struct sockaddr_un *from, socklen_t fromlen,
659 u8 *data, size_t datalen)
661 struct ieee80211_hdr *hdr;
664 hdr = (struct ieee80211_hdr *) data;
666 if (test_driver_get_cli(drv, from, fromlen) == NULL && datalen >= 16) {
667 struct test_client_socket *cli;
668 cli = os_zalloc(sizeof(*cli));
671 wpa_printf(MSG_DEBUG, "Adding client entry for " MACSTR,
672 MAC2STR(hdr->addr2));
673 memcpy(cli->addr, hdr->addr2, ETH_ALEN);
674 memcpy(&cli->un, from, sizeof(cli->un));
675 cli->unlen = fromlen;
676 cli->next = drv->cli;
680 wpa_hexdump(MSG_MSGDUMP, "test_driver_mlme: received frame",
682 fc = le_to_host16(hdr->frame_control);
683 if (WLAN_FC_GET_TYPE(fc) != WLAN_FC_TYPE_MGMT) {
684 wpa_printf(MSG_ERROR, "%s: received non-mgmt frame",
688 ieee802_11_mgmt(drv->hapd, data, datalen, WLAN_FC_GET_STYPE(fc), NULL);
692 static void test_driver_receive_unix(int sock, void *eloop_ctx, void *sock_ctx)
694 struct test_driver_data *drv = eloop_ctx;
697 struct sockaddr_un from;
698 socklen_t fromlen = sizeof(from);
700 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
701 (struct sockaddr *) &from, &fromlen);
703 perror("recvfrom(test_socket)");
708 wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
710 if (strncmp(buf, "SCAN", 4) == 0) {
711 test_driver_scan(drv, &from, fromlen, buf + 4);
712 } else if (strncmp(buf, "ASSOC ", 6) == 0) {
713 test_driver_assoc(drv, &from, fromlen, buf + 6);
714 } else if (strcmp(buf, "DISASSOC") == 0) {
715 test_driver_disassoc(drv, &from, fromlen);
716 } else if (strncmp(buf, "EAPOL ", 6) == 0) {
717 test_driver_eapol(drv, &from, fromlen, (u8 *) buf + 6,
719 } else if (strncmp(buf, "ETHER ", 6) == 0) {
720 test_driver_ether(drv, &from, fromlen, (u8 *) buf + 6,
722 } else if (strncmp(buf, "MLME ", 5) == 0) {
723 test_driver_mlme(drv, &from, fromlen, (u8 *) buf + 5, res - 5);
725 wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
731 static struct test_driver_bss *
732 test_driver_get_bss(struct test_driver_data *drv, const char *ifname)
734 struct test_driver_bss *bss;
736 for (bss = drv->bss; bss; bss = bss->next) {
737 if (strcmp(bss->ifname, ifname) == 0)
744 static int test_driver_set_generic_elem(const char *ifname, void *priv,
745 const u8 *elem, size_t elem_len)
747 struct test_driver_data *drv = priv;
748 struct test_driver_bss *bss;
750 bss = test_driver_get_bss(drv, ifname);
762 bss->ie = malloc(elem_len);
763 if (bss->ie == NULL) {
768 memcpy(bss->ie, elem, elem_len);
769 bss->ielen = elem_len;
774 static int test_driver_set_wps_beacon_ie(const char *ifname, void *priv,
775 const u8 *ie, size_t len)
777 struct test_driver_data *drv = priv;
778 struct test_driver_bss *bss;
780 wpa_hexdump(MSG_DEBUG, "test_driver: Beacon WPS IE", ie, len);
781 bss = test_driver_get_bss(drv, ifname);
785 free(bss->wps_beacon_ie);
788 bss->wps_beacon_ie = NULL;
789 bss->wps_beacon_ie_len = 0;
793 bss->wps_beacon_ie = malloc(len);
794 if (bss->wps_beacon_ie == NULL) {
795 bss->wps_beacon_ie_len = 0;
799 memcpy(bss->wps_beacon_ie, ie, len);
800 bss->wps_beacon_ie_len = len;
805 static int test_driver_set_wps_probe_resp_ie(const char *ifname, void *priv,
806 const u8 *ie, size_t len)
808 struct test_driver_data *drv = priv;
809 struct test_driver_bss *bss;
811 wpa_hexdump(MSG_DEBUG, "test_driver: ProbeResp WPS IE", ie, len);
812 bss = test_driver_get_bss(drv, ifname);
816 free(bss->wps_probe_resp_ie);
819 bss->wps_probe_resp_ie = NULL;
820 bss->wps_probe_resp_ie_len = 0;
824 bss->wps_probe_resp_ie = malloc(len);
825 if (bss->wps_probe_resp_ie == NULL) {
826 bss->wps_probe_resp_ie_len = 0;
830 memcpy(bss->wps_probe_resp_ie, ie, len);
831 bss->wps_probe_resp_ie_len = len;
836 static int test_driver_sta_deauth(void *priv, const u8 *addr, int reason)
838 struct test_driver_data *drv = priv;
839 struct test_client_socket *cli;
841 if (drv->test_socket < 0)
846 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
854 return sendto(drv->test_socket, "DEAUTH", 6, 0,
855 (struct sockaddr *) &cli->un, cli->unlen);
859 static int test_driver_sta_disassoc(void *priv, const u8 *addr, int reason)
861 struct test_driver_data *drv = priv;
862 struct test_client_socket *cli;
864 if (drv->test_socket < 0)
869 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
877 return sendto(drv->test_socket, "DISASSOC", 8, 0,
878 (struct sockaddr *) &cli->un, cli->unlen);
882 static struct hostapd_hw_modes *
883 test_driver_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
885 struct hostapd_hw_modes *modes;
889 modes = os_zalloc(*num_modes * sizeof(struct hostapd_hw_modes));
892 modes[0].mode = HOSTAPD_MODE_IEEE80211G;
893 modes[0].num_channels = 1;
894 modes[0].num_rates = 1;
895 modes[0].channels = os_zalloc(sizeof(struct hostapd_channel_data));
896 modes[0].rates = os_zalloc(sizeof(struct hostapd_rate_data));
897 if (modes[0].channels == NULL || modes[0].rates == NULL) {
898 hostapd_free_hw_features(modes, *num_modes);
901 modes[0].channels[0].chan = 1;
902 modes[0].channels[0].freq = 2412;
903 modes[0].channels[0].flag = 0;
904 modes[0].rates[0].rate = 10;
905 modes[0].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
906 HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
908 modes[1].mode = HOSTAPD_MODE_IEEE80211B;
909 modes[1].num_channels = 1;
910 modes[1].num_rates = 1;
911 modes[1].channels = os_zalloc(sizeof(struct hostapd_channel_data));
912 modes[1].rates = os_zalloc(sizeof(struct hostapd_rate_data));
913 if (modes[1].channels == NULL || modes[1].rates == NULL) {
914 hostapd_free_hw_features(modes, *num_modes);
917 modes[1].channels[0].chan = 1;
918 modes[1].channels[0].freq = 2412;
919 modes[1].channels[0].flag = 0;
920 modes[1].rates[0].rate = 10;
921 modes[1].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
922 HOSTAPD_RATE_CCK | HOSTAPD_RATE_MANDATORY;
924 modes[2].mode = HOSTAPD_MODE_IEEE80211A;
925 modes[2].num_channels = 1;
926 modes[2].num_rates = 1;
927 modes[2].channels = os_zalloc(sizeof(struct hostapd_channel_data));
928 modes[2].rates = os_zalloc(sizeof(struct hostapd_rate_data));
929 if (modes[2].channels == NULL || modes[2].rates == NULL) {
930 hostapd_free_hw_features(modes, *num_modes);
933 modes[2].channels[0].chan = 60;
934 modes[2].channels[0].freq = 5300;
935 modes[2].channels[0].flag = 0;
936 modes[2].rates[0].rate = 60;
937 modes[2].rates[0].flags = HOSTAPD_RATE_BASIC | HOSTAPD_RATE_SUPPORTED |
938 HOSTAPD_RATE_MANDATORY;
944 static int test_driver_bss_add(void *priv, const char *ifname, const u8 *bssid)
946 struct test_driver_data *drv = priv;
947 struct test_driver_bss *bss;
949 wpa_printf(MSG_DEBUG, "%s(ifname=%s bssid=" MACSTR ")",
950 __func__, ifname, MAC2STR(bssid));
952 bss = os_zalloc(sizeof(*bss));
956 os_strlcpy(bss->ifname, ifname, IFNAMSIZ);
957 memcpy(bss->bssid, bssid, ETH_ALEN);
959 bss->next = drv->bss;
966 static int test_driver_bss_remove(void *priv, const char *ifname)
968 struct test_driver_data *drv = priv;
969 struct test_driver_bss *bss, *prev;
970 struct test_client_socket *cli, *prev_c;
972 wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
974 for (prev = NULL, bss = drv->bss; bss; prev = bss, bss = bss->next) {
975 if (strcmp(bss->ifname, ifname) != 0)
979 prev->next = bss->next;
981 drv->bss = bss->next;
983 for (prev_c = NULL, cli = drv->cli; cli;
984 prev_c = cli, cli = cli->next) {
988 prev_c->next = cli->next;
990 drv->cli = cli->next;
995 test_driver_free_bss(bss);
1003 static int test_driver_if_add(const char *iface, void *priv,
1004 enum hostapd_driver_if_type type, char *ifname,
1007 wpa_printf(MSG_DEBUG, "%s(iface=%s type=%d ifname=%s)",
1008 __func__, iface, type, ifname);
1013 static int test_driver_if_update(void *priv, enum hostapd_driver_if_type type,
1014 char *ifname, const u8 *addr)
1016 wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1021 static int test_driver_if_remove(void *priv, enum hostapd_driver_if_type type,
1022 const char *ifname, const u8 *addr)
1024 wpa_printf(MSG_DEBUG, "%s(type=%d ifname=%s)", __func__, type, ifname);
1029 static int test_driver_valid_bss_mask(void *priv, const u8 *addr,
1036 static int test_driver_set_ssid(const char *ifname, void *priv, const u8 *buf,
1039 struct test_driver_data *drv = priv;
1040 struct test_driver_bss *bss;
1042 wpa_printf(MSG_DEBUG, "%s(ifname=%s)", __func__, ifname);
1043 wpa_hexdump_ascii(MSG_DEBUG, "test_driver_set_ssid: SSID", buf, len);
1045 for (bss = drv->bss; bss; bss = bss->next) {
1046 if (strcmp(bss->ifname, ifname) != 0)
1049 if (len < 0 || (size_t) len > sizeof(bss->ssid))
1052 memcpy(bss->ssid, buf, len);
1053 bss->ssid_len = len;
1062 static int test_driver_set_privacy(const char *ifname, void *priv, int enabled)
1064 struct test_driver_data *drv = priv;
1065 struct test_driver_bss *bss;
1067 wpa_printf(MSG_DEBUG, "%s(ifname=%s enabled=%d)",
1068 __func__, ifname, enabled);
1070 for (bss = drv->bss; bss; bss = bss->next) {
1071 if (strcmp(bss->ifname, ifname) != 0)
1074 bss->privacy = enabled;
1083 static int test_driver_set_encryption(const char *iface, void *priv,
1084 const char *alg, const u8 *addr, int idx,
1085 const u8 *key, size_t key_len, int txkey)
1087 wpa_printf(MSG_DEBUG, "%s(iface=%s alg=%s idx=%d txkey=%d)",
1088 __func__, iface, alg, idx, txkey);
1090 wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
1092 wpa_hexdump_key(MSG_DEBUG, " key", key, key_len);
1097 static int test_driver_set_sta_vlan(void *priv, const u8 *addr,
1098 const char *ifname, int vlan_id)
1100 wpa_printf(MSG_DEBUG, "%s(addr=" MACSTR " ifname=%s vlan_id=%d)",
1101 __func__, MAC2STR(addr), ifname, vlan_id);
1106 static int test_driver_sta_add(const char *ifname, void *priv, const u8 *addr,
1107 u16 aid, u16 capability, u8 *supp_rates,
1108 size_t supp_rates_len, int flags,
1109 u16 listen_interval)
1111 struct test_driver_data *drv = priv;
1112 struct test_client_socket *cli;
1113 struct test_driver_bss *bss;
1115 wpa_printf(MSG_DEBUG, "%s(ifname=%s addr=" MACSTR " aid=%d "
1116 "capability=0x%x flags=0x%x listen_interval=%d)",
1117 __func__, ifname, MAC2STR(addr), aid, capability, flags,
1119 wpa_hexdump(MSG_DEBUG, "test_driver_sta_add - supp_rates",
1120 supp_rates, supp_rates_len);
1124 if (memcmp(cli->addr, addr, ETH_ALEN) == 0)
1129 wpa_printf(MSG_DEBUG, "%s: no matching client entry",
1134 for (bss = drv->bss; bss; bss = bss->next) {
1135 if (strcmp(ifname, bss->ifname) == 0)
1139 wpa_printf(MSG_DEBUG, "%s: No matching interface found from "
1140 "configured BSSes", __func__);
1150 static void * test_driver_init(struct hostapd_data *hapd)
1152 struct test_driver_data *drv;
1153 struct sockaddr_un addr_un;
1154 struct sockaddr_in addr_in;
1155 struct sockaddr *addr;
1158 drv = os_zalloc(sizeof(struct test_driver_data));
1160 printf("Could not allocate memory for test driver data\n");
1163 drv->bss = os_zalloc(sizeof(*drv->bss));
1164 if (drv->bss == NULL) {
1165 printf("Could not allocate memory for test driver BSS data\n");
1172 /* Generate a MAC address to help testing with multiple APs */
1173 hapd->own_addr[0] = 0x02; /* locally administered */
1174 sha1_prf((const u8 *) hapd->conf->iface, strlen(hapd->conf->iface),
1175 "hostapd test bssid generation",
1176 (const u8 *) hapd->conf->ssid.ssid, hapd->conf->ssid.ssid_len,
1177 hapd->own_addr + 1, ETH_ALEN - 1);
1179 os_strlcpy(drv->bss->ifname, hapd->conf->iface, IFNAMSIZ);
1180 memcpy(drv->bss->bssid, hapd->own_addr, ETH_ALEN);
1182 if (hapd->conf->test_socket) {
1183 if (strlen(hapd->conf->test_socket) >=
1184 sizeof(addr_un.sun_path)) {
1185 printf("Too long test_socket path\n");
1186 test_driver_free_priv(drv);
1189 if (strncmp(hapd->conf->test_socket, "DIR:", 4) == 0) {
1190 size_t len = strlen(hapd->conf->test_socket) + 30;
1191 drv->socket_dir = strdup(hapd->conf->test_socket + 4);
1192 drv->own_socket_path = malloc(len);
1193 if (drv->own_socket_path) {
1194 snprintf(drv->own_socket_path, len,
1196 hapd->conf->test_socket + 4,
1197 MAC2STR(hapd->own_addr));
1199 } else if (strncmp(hapd->conf->test_socket, "UDP:", 4) == 0) {
1200 drv->udp_port = atoi(hapd->conf->test_socket + 4);
1202 drv->own_socket_path = strdup(hapd->conf->test_socket);
1204 if (drv->own_socket_path == NULL && drv->udp_port == 0) {
1205 test_driver_free_priv(drv);
1209 drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
1211 if (drv->test_socket < 0) {
1213 test_driver_free_priv(drv);
1217 if (drv->udp_port) {
1218 os_memset(&addr_in, 0, sizeof(addr_in));
1219 addr_in.sin_family = AF_INET;
1220 addr_in.sin_port = htons(drv->udp_port);
1221 addr = (struct sockaddr *) &addr_in;
1222 alen = sizeof(addr_in);
1224 os_memset(&addr_un, 0, sizeof(addr_un));
1225 addr_un.sun_family = AF_UNIX;
1226 os_strlcpy(addr_un.sun_path, drv->own_socket_path,
1227 sizeof(addr_un.sun_path));
1228 addr = (struct sockaddr *) &addr_un;
1229 alen = sizeof(addr_un);
1231 if (bind(drv->test_socket, addr, alen) < 0) {
1232 perror("bind(PF_UNIX)");
1233 close(drv->test_socket);
1234 if (drv->own_socket_path)
1235 unlink(drv->own_socket_path);
1236 test_driver_free_priv(drv);
1239 eloop_register_read_sock(drv->test_socket,
1240 test_driver_receive_unix, drv, NULL);
1242 drv->test_socket = -1;
1248 static void test_driver_deinit(void *priv)
1250 struct test_driver_data *drv = priv;
1251 struct test_client_socket *cli, *prev;
1260 if (drv->test_socket >= 0) {
1261 eloop_unregister_read_sock(drv->test_socket);
1262 close(drv->test_socket);
1263 if (drv->own_socket_path)
1264 unlink(drv->own_socket_path);
1267 /* There should be only one BSS remaining at this point. */
1268 if (drv->bss == NULL)
1269 wpa_printf(MSG_ERROR, "%s: drv->bss == NULL", __func__);
1270 else if (drv->bss->next)
1271 wpa_printf(MSG_ERROR, "%s: drv->bss->next != NULL", __func__);
1273 test_driver_free_priv(drv);
1277 const struct wpa_driver_ops wpa_driver_test_ops = {
1279 .init = test_driver_init,
1280 .deinit = test_driver_deinit,
1281 .send_eapol = test_driver_send_eapol,
1282 .send_mgmt_frame = test_driver_send_mgmt_frame,
1283 .set_generic_elem = test_driver_set_generic_elem,
1284 .sta_deauth = test_driver_sta_deauth,
1285 .sta_disassoc = test_driver_sta_disassoc,
1286 .get_hw_feature_data = test_driver_get_hw_feature_data,
1287 .bss_add = test_driver_bss_add,
1288 .bss_remove = test_driver_bss_remove,
1289 .if_add = test_driver_if_add,
1290 .if_update = test_driver_if_update,
1291 .if_remove = test_driver_if_remove,
1292 .valid_bss_mask = test_driver_valid_bss_mask,
1293 .set_ssid = test_driver_set_ssid,
1294 .set_privacy = test_driver_set_privacy,
1295 .set_encryption = test_driver_set_encryption,
1296 .set_sta_vlan = test_driver_set_sta_vlan,
1297 .sta_add = test_driver_sta_add,
1298 .send_ether = test_driver_send_ether,
1299 .set_wps_beacon_ie = test_driver_set_wps_beacon_ie,
1300 .set_wps_probe_resp_ie = test_driver_set_wps_probe_resp_ie,