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/*
* WPA Supplicant - testing driver interface
* Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* Alternatively, this software may be distributed under the terms of BSD
* license.
*
* See README and COPYING for more details.
*/
#include "includes.h"
#include <sys/un.h>
#include <dirent.h>
#include <sys/stat.h>
#include "common.h"
#include "driver.h"
#include "wpa_supplicant.h"
#include "l2_packet.h"
#include "eloop.h"
#include "sha1.h"
#include "wpa.h"
#include "mlme.h"
struct wpa_driver_test_data {
void *ctx;
u8 own_addr[ETH_ALEN];
int test_socket;
struct sockaddr_un hostapd_addr;
int hostapd_addr_set;
char *own_socket_path;
char *test_dir;
u8 bssid[ETH_ALEN];
u8 ssid[32];
size_t ssid_len;
#define MAX_SCAN_RESULTS 30
struct wpa_scan_result scanres[MAX_SCAN_RESULTS];
size_t num_scanres;
int use_associnfo;
u8 assoc_wpa_ie[80];
size_t assoc_wpa_ie_len;
int use_mlme;
};
static int wpa_driver_test_set_wpa(void *priv, int enabled)
{
wpa_printf(MSG_DEBUG, "%s: enabled=%d", __func__, enabled);
return 0;
}
static void wpa_driver_test_scan_timeout(void *eloop_ctx, void *timeout_ctx)
{
wpa_printf(MSG_DEBUG, "Scan timeout - try to get results");
wpa_supplicant_event(timeout_ctx, EVENT_SCAN_RESULTS, NULL);
}
static void wpa_driver_scan_dir(struct wpa_driver_test_data *drv,
const char *path)
{
struct dirent *dent;
DIR *dir;
struct sockaddr_un addr;
dir = opendir(path);
if (dir == NULL)
return;
while ((dent = readdir(dir))) {
if (os_strncmp(dent->d_name, "AP-", 3) != 0)
continue;
wpa_printf(MSG_DEBUG, "%s: SCAN %s", __func__, dent->d_name);
os_memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_snprintf(addr.sun_path, sizeof(addr.sun_path), "%s/%s",
path, dent->d_name);
if (sendto(drv->test_socket, "SCAN", 4, 0,
(struct sockaddr *) &addr, sizeof(addr)) < 0) {
perror("sendto(test_socket)");
}
}
closedir(dir);
}
static int wpa_driver_test_scan(void *priv, const u8 *ssid, size_t ssid_len)
{
struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
drv->num_scanres = 0;
if (drv->test_socket >= 0 && drv->test_dir)
wpa_driver_scan_dir(drv, drv->test_dir);
if (drv->test_socket >= 0 && drv->hostapd_addr_set &&
sendto(drv->test_socket, "SCAN", 4, 0,
(struct sockaddr *) &drv->hostapd_addr,
sizeof(drv->hostapd_addr)) < 0) {
perror("sendto(test_socket)");
}
eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
eloop_register_timeout(1, 0, wpa_driver_test_scan_timeout, drv,
drv->ctx);
return 0;
}
static int wpa_driver_test_get_scan_results(void *priv,
struct wpa_scan_result *results,
size_t max_size)
{
struct wpa_driver_test_data *drv = priv;
size_t num = drv->num_scanres;
if (num > max_size)
num = max_size;
os_memcpy(results, &drv->scanres,
num * sizeof(struct wpa_scan_result));
return num;
}
static int wpa_driver_test_set_key(void *priv, wpa_alg alg, const u8 *addr,
int key_idx, int set_tx,
const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
wpa_printf(MSG_DEBUG, "%s: priv=%p alg=%d key_idx=%d set_tx=%d",
__func__, priv, alg, key_idx, set_tx);
if (addr) {
wpa_printf(MSG_DEBUG, " addr=" MACSTR, MAC2STR(addr));
}
if (seq) {
wpa_hexdump(MSG_DEBUG, " seq", seq, seq_len);
}
if (key) {
wpa_hexdump(MSG_DEBUG, " key", key, key_len);
}
return 0;
}
static int wpa_driver_test_associate(
void *priv, struct wpa_driver_associate_params *params)
{
struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s: priv=%p freq=%d pairwise_suite=%d "
"group_suite=%d key_mgmt_suite=%d auth_alg=%d mode=%d",
__func__, priv, params->freq, params->pairwise_suite,
params->group_suite, params->key_mgmt_suite,
params->auth_alg, params->mode);
if (params->bssid) {
wpa_printf(MSG_DEBUG, " bssid=" MACSTR,
MAC2STR(params->bssid));
}
if (params->ssid) {
wpa_hexdump_ascii(MSG_DEBUG, " ssid",
params->ssid, params->ssid_len);
}
if (params->wpa_ie) {
wpa_hexdump(MSG_DEBUG, " wpa_ie",
params->wpa_ie, params->wpa_ie_len);
drv->assoc_wpa_ie_len = params->wpa_ie_len;
if (drv->assoc_wpa_ie_len > sizeof(drv->assoc_wpa_ie))
drv->assoc_wpa_ie_len = sizeof(drv->assoc_wpa_ie);
os_memcpy(drv->assoc_wpa_ie, params->wpa_ie,
drv->assoc_wpa_ie_len);
} else
drv->assoc_wpa_ie_len = 0;
if (drv->test_dir && params->bssid) {
os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
drv->hostapd_addr.sun_family = AF_UNIX;
os_snprintf(drv->hostapd_addr.sun_path,
sizeof(drv->hostapd_addr.sun_path),
"%s/AP-" MACSTR,
drv->test_dir, MAC2STR(params->bssid));
drv->hostapd_addr_set = 1;
}
if (drv->test_socket >= 0 && drv->hostapd_addr_set) {
char cmd[200], *pos, *end;
int ret;
end = cmd + sizeof(cmd);
pos = cmd;
ret = os_snprintf(pos, end - pos, "ASSOC " MACSTR " ",
MAC2STR(drv->own_addr));
if (ret >= 0 && ret < end - pos)
pos += ret;
pos += wpa_snprintf_hex(pos, end - pos, params->ssid,
params->ssid_len);
ret = os_snprintf(pos, end - pos, " ");
if (ret >= 0 && ret < end - pos)
pos += ret;
pos += wpa_snprintf_hex(pos, end - pos, params->wpa_ie,
params->wpa_ie_len);
end[-1] = '\0';
if (sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
(struct sockaddr *) &drv->hostapd_addr,
sizeof(drv->hostapd_addr)) < 0) {
perror("sendto(test_socket)");
return -1;
}
os_memcpy(drv->ssid, params->ssid, params->ssid_len);
drv->ssid_len = params->ssid_len;
} else
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
return 0;
}
static int wpa_driver_test_get_bssid(void *priv, u8 *bssid)
{
struct wpa_driver_test_data *drv = priv;
os_memcpy(bssid, drv->bssid, ETH_ALEN);
return 0;
}
static int wpa_driver_test_get_ssid(void *priv, u8 *ssid)
{
struct wpa_driver_test_data *drv = priv;
os_memcpy(ssid, drv->ssid, 32);
return drv->ssid_len;
}
static int wpa_driver_test_send_disassoc(struct wpa_driver_test_data *drv)
{
if (drv->test_socket >= 0 &&
sendto(drv->test_socket, "DISASSOC", 8, 0,
(struct sockaddr *) &drv->hostapd_addr,
sizeof(drv->hostapd_addr)) < 0) {
perror("sendto(test_socket)");
return -1;
}
return 0;
}
static int wpa_driver_test_deauthenticate(void *priv, const u8 *addr,
int reason_code)
{
struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
__func__, MAC2STR(addr), reason_code);
os_memset(drv->bssid, 0, ETH_ALEN);
wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
return wpa_driver_test_send_disassoc(drv);
}
static int wpa_driver_test_disassociate(void *priv, const u8 *addr,
int reason_code)
{
struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
__func__, MAC2STR(addr), reason_code);
os_memset(drv->bssid, 0, ETH_ALEN);
wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
return wpa_driver_test_send_disassoc(drv);
}
static void wpa_driver_test_scanresp(struct wpa_driver_test_data *drv,
struct sockaddr_un *from,
socklen_t fromlen,
const char *data)
{
struct wpa_scan_result *res;
const char *pos, *pos2;
size_t len;
u8 ie[200], *ipos, *end;
wpa_printf(MSG_DEBUG, "test_driver: SCANRESP %s", data);
if (drv->num_scanres >= MAX_SCAN_RESULTS) {
wpa_printf(MSG_DEBUG, "test_driver: No room for the new scan "
"result");
return;
}
/* SCANRESP BSSID SSID IEs */
res = &drv->scanres[drv->num_scanres];
os_memset(res, 0, sizeof(*res));
if (hwaddr_aton(data, res->bssid)) {
wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in scanres");
return;
}
pos = data + 17;
while (*pos == ' ')
pos++;
pos2 = os_strchr(pos, ' ');
if (pos2 == NULL) {
wpa_printf(MSG_DEBUG, "test_driver: invalid SSID termination "
"in scanres");
return;
}
len = (pos2 - pos) / 2;
if (len > sizeof(res->ssid))
len = sizeof(res->ssid);
if (hexstr2bin(pos, res->ssid, len) < 0) {
wpa_printf(MSG_DEBUG, "test_driver: invalid SSID in scanres");
return;
}
res->ssid_len = len;
pos = pos2 + 1;
pos2 = os_strchr(pos, ' ');
if (pos2 == NULL)
len = os_strlen(pos) / 2;
else
len = (pos2 - pos) / 2;
if (len > sizeof(ie))
len = sizeof(ie);
if (hexstr2bin(pos, ie, len) < 0) {
wpa_printf(MSG_DEBUG, "test_driver: invalid IEs in scanres");
return;
}
ipos = ie;
end = ipos + len;
while (ipos + 1 < end && ipos + 2 + ipos[1] <= end) {
len = 2 + ipos[1];
if (len > SSID_MAX_WPA_IE_LEN)
len = SSID_MAX_WPA_IE_LEN;
if (ipos[0] == RSN_INFO_ELEM) {
os_memcpy(res->rsn_ie, ipos, len);
res->rsn_ie_len = len;
} else if (ipos[0] == GENERIC_INFO_ELEM) {
os_memcpy(res->wpa_ie, ipos, len);
res->wpa_ie_len = len;
}
ipos += 2 + ipos[1];
}
if (pos2) {
pos = pos2 + 1;
while (*pos == ' ')
pos++;
if (os_strncmp(pos, "PRIVACY", 7) == 0)
res->caps |= IEEE80211_CAP_PRIVACY;
}
drv->num_scanres++;
}
static void wpa_driver_test_assocresp(struct wpa_driver_test_data *drv,
struct sockaddr_un *from,
socklen_t fromlen,
const char *data)
{
/* ASSOCRESP BSSID <res> */
if (hwaddr_aton(data, drv->bssid)) {
wpa_printf(MSG_DEBUG, "test_driver: invalid BSSID in "
"assocresp");
}
if (drv->use_associnfo) {
union wpa_event_data event;
os_memset(&event, 0, sizeof(event));
event.assoc_info.req_ies = drv->assoc_wpa_ie;
event.assoc_info.req_ies_len = drv->assoc_wpa_ie_len;
wpa_supplicant_event(drv->ctx, EVENT_ASSOCINFO, &event);
}
wpa_supplicant_event(drv->ctx, EVENT_ASSOC, NULL);
}
static void wpa_driver_test_disassoc(struct wpa_driver_test_data *drv,
struct sockaddr_un *from,
socklen_t fromlen)
{
wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
}
static void wpa_driver_test_eapol(struct wpa_driver_test_data *drv,
struct sockaddr_un *from,
socklen_t fromlen,
const u8 *data, size_t data_len)
{
const u8 *src = drv->bssid;
if (data_len > 14) {
/* Skip Ethernet header */
src = data + ETH_ALEN;
data += 14;
data_len -= 14;
}
wpa_supplicant_rx_eapol(drv->ctx, src, data, data_len);
}
static void wpa_driver_test_mlme(struct wpa_driver_test_data *drv,
struct sockaddr_un *from,
socklen_t fromlen,
const u8 *data, size_t data_len)
{
struct ieee80211_rx_status rx_status;
os_memset(&rx_status, 0, sizeof(rx_status));
ieee80211_sta_rx(drv->ctx, data, data_len, &rx_status);
}
static void wpa_driver_test_receive_unix(int sock, void *eloop_ctx,
void *sock_ctx)
{
struct wpa_driver_test_data *drv = eloop_ctx;
char *buf;
int res;
struct sockaddr_un from;
socklen_t fromlen = sizeof(from);
const size_t buflen = 2000;
buf = os_malloc(buflen);
if (buf == NULL)
return;
res = recvfrom(sock, buf, buflen - 1, 0,
(struct sockaddr *) &from, &fromlen);
if (res < 0) {
perror("recvfrom(test_socket)");
os_free(buf);
return;
}
buf[res] = '\0';
wpa_printf(MSG_DEBUG, "test_driver: received %u bytes", res);
if (os_strncmp(buf, "SCANRESP ", 9) == 0) {
wpa_driver_test_scanresp(drv, &from, fromlen, buf + 9);
} else if (os_strncmp(buf, "ASSOCRESP ", 10) == 0) {
wpa_driver_test_assocresp(drv, &from, fromlen, buf + 10);
} else if (os_strcmp(buf, "DISASSOC") == 0) {
wpa_driver_test_disassoc(drv, &from, fromlen);
} else if (os_strcmp(buf, "DEAUTH") == 0) {
wpa_driver_test_disassoc(drv, &from, fromlen);
} else if (os_strncmp(buf, "EAPOL ", 6) == 0) {
wpa_driver_test_eapol(drv, &from, fromlen,
(const u8 *) buf + 6, res - 6);
} else if (os_strncmp(buf, "MLME ", 5) == 0) {
wpa_driver_test_mlme(drv, &from, fromlen,
(const u8 *) buf + 5, res - 5);
} else {
wpa_hexdump_ascii(MSG_DEBUG, "Unknown test_socket command",
(u8 *) buf, res);
}
os_free(buf);
}
static void * wpa_driver_test_init(void *ctx, const char *ifname)
{
struct wpa_driver_test_data *drv;
drv = os_zalloc(sizeof(*drv));
if (drv == NULL)
return NULL;
drv->ctx = ctx;
drv->test_socket = -1;
/* Set dummy BSSID and SSID for testing. */
drv->bssid[0] = 0x02;
drv->bssid[1] = 0x00;
drv->bssid[2] = 0x00;
drv->bssid[3] = 0x00;
drv->bssid[4] = 0x00;
drv->bssid[5] = 0x01;
os_memcpy(drv->ssid, "test", 5);
drv->ssid_len = 4;
/* Generate a MAC address to help testing with multiple STAs */
drv->own_addr[0] = 0x02; /* locally administered */
sha1_prf((const u8 *) ifname, os_strlen(ifname),
"wpa_supplicant test mac addr generation",
NULL, 0, drv->own_addr + 1, ETH_ALEN - 1);
return drv;
}
static void wpa_driver_test_close_test_socket(struct wpa_driver_test_data *drv)
{
if (drv->test_socket >= 0) {
eloop_unregister_read_sock(drv->test_socket);
close(drv->test_socket);
drv->test_socket = -1;
}
if (drv->own_socket_path) {
unlink(drv->own_socket_path);
os_free(drv->own_socket_path);
drv->own_socket_path = NULL;
}
}
static void wpa_driver_test_deinit(void *priv)
{
struct wpa_driver_test_data *drv = priv;
wpa_driver_test_close_test_socket(drv);
eloop_cancel_timeout(wpa_driver_test_scan_timeout, drv, drv->ctx);
os_free(drv->test_dir);
os_free(drv);
}
static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
const char *dir)
{
static unsigned int counter = 0;
struct sockaddr_un addr;
size_t len;
os_free(drv->own_socket_path);
if (dir) {
len = os_strlen(dir) + 30;
drv->own_socket_path = os_malloc(len);
if (drv->own_socket_path == NULL)
return -1;
os_snprintf(drv->own_socket_path, len, "%s/STA-" MACSTR,
dir, MAC2STR(drv->own_addr));
} else {
drv->own_socket_path = os_malloc(100);
if (drv->own_socket_path == NULL)
return -1;
os_snprintf(drv->own_socket_path, 100,
"/tmp/wpa_supplicant_test-%d-%d",
getpid(), counter++);
}
drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
if (drv->test_socket < 0) {
perror("socket(PF_UNIX)");
os_free(drv->own_socket_path);
drv->own_socket_path = NULL;
return -1;
}
os_memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_strncpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
if (bind(drv->test_socket, (struct sockaddr *) &addr,
sizeof(addr)) < 0) {
perror("bind(PF_UNIX)");
close(drv->test_socket);
unlink(drv->own_socket_path);
os_free(drv->own_socket_path);
drv->own_socket_path = NULL;
return -1;
}
eloop_register_read_sock(drv->test_socket,
wpa_driver_test_receive_unix, drv, NULL);
return 0;
}
static int wpa_driver_test_set_param(void *priv, const char *param)
{
struct wpa_driver_test_data *drv = priv;
const char *pos, *pos2;
size_t len;
wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
if (param == NULL)
return 0;
wpa_driver_test_close_test_socket(drv);
pos = os_strstr(param, "test_socket=");
if (pos) {
pos += 12;
pos2 = os_strchr(pos, ' ');
if (pos2)
len = pos2 - pos;
else
len = os_strlen(pos);
if (len > sizeof(drv->hostapd_addr.sun_path))
return -1;
os_memset(&drv->hostapd_addr, 0, sizeof(drv->hostapd_addr));
drv->hostapd_addr.sun_family = AF_UNIX;
os_memcpy(drv->hostapd_addr.sun_path, pos, len);
drv->hostapd_addr_set = 1;
}
pos = os_strstr(param, "test_dir=");
if (pos) {
char *end;
os_free(drv->test_dir);
drv->test_dir = os_strdup(pos + 9);
if (drv->test_dir == NULL)
return -1;
end = os_strchr(drv->test_dir, ' ');
if (end)
*end = '\0';
wpa_driver_test_attach(drv, drv->test_dir);
} else
wpa_driver_test_attach(drv, NULL);
if (os_strstr(param, "use_associnfo=1")) {
wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
drv->use_associnfo = 1;
}
#ifdef CONFIG_CLIENT_MLME
if (os_strstr(param, "use_mlme=1")) {
wpa_printf(MSG_DEBUG, "test_driver: Use internal MLME");
drv->use_mlme = 1;
}
#endif /* CONFIG_CLIENT_MLME */
return 0;
}
static const u8 * wpa_driver_test_get_mac_addr(void *priv)
{
struct wpa_driver_test_data *drv = priv;
wpa_printf(MSG_DEBUG, "%s", __func__);
return drv->own_addr;
}
static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
const u8 *data, size_t data_len)
{
struct wpa_driver_test_data *drv = priv;
struct msghdr msg;
struct iovec io[3];
struct l2_ethhdr eth;
struct sockaddr_un addr;
wpa_hexdump(MSG_MSGDUMP, "test_send_eapol TX frame", data, data_len);
os_memset(&eth, 0, sizeof(eth));
os_memcpy(eth.h_dest, dest, ETH_ALEN);
os_memcpy(eth.h_source, drv->own_addr, ETH_ALEN);
eth.h_proto = host_to_be16(proto);
io[0].iov_base = "EAPOL ";
io[0].iov_len = 6;
io[1].iov_base = (u8 *) &eth;
io[1].iov_len = sizeof(eth);
io[2].iov_base = (u8 *) data;
io[2].iov_len = data_len;
os_memset(&msg, 0, sizeof(msg));
msg.msg_iov = io;
msg.msg_iovlen = 3;
if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
drv->test_dir == NULL) {
msg.msg_name = &drv->hostapd_addr;
msg.msg_namelen = sizeof(drv->hostapd_addr);
} else {
struct stat st;
os_memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_snprintf(addr.sun_path, sizeof(addr.sun_path),
"%s/STA-" MACSTR, drv->test_dir, MAC2STR(dest));
if (stat(addr.sun_path, &st) < 0) {
os_snprintf(addr.sun_path, sizeof(addr.sun_path),
"%s/AP-" MACSTR,
drv->test_dir, MAC2STR(dest));
}
msg.msg_name = &addr;
msg.msg_namelen = sizeof(addr);
}
if (sendmsg(drv->test_socket, &msg, 0) < 0) {
perror("sendmsg(test_socket)");
return -1;
}
return 0;
}
static int wpa_driver_test_get_capa(void *priv, struct wpa_driver_capa *capa)
{
struct wpa_driver_test_data *drv = priv;
os_memset(capa, 0, sizeof(*capa));
capa->key_mgmt = WPA_DRIVER_CAPA_KEY_MGMT_WPA |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK |
WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE;
capa->enc = WPA_DRIVER_CAPA_ENC_WEP40 |
WPA_DRIVER_CAPA_ENC_WEP104 |
WPA_DRIVER_CAPA_ENC_TKIP |
WPA_DRIVER_CAPA_ENC_CCMP;
capa->auth = WPA_DRIVER_AUTH_OPEN |
WPA_DRIVER_AUTH_SHARED |
WPA_DRIVER_AUTH_LEAP;
if (drv->use_mlme)
capa->flags |= WPA_DRIVER_FLAGS_USER_SPACE_MLME;
return 0;
}
static int wpa_driver_test_mlme_setprotection(void *priv, const u8 *addr,
int protect_type,
int key_type)
{
wpa_printf(MSG_DEBUG, "%s: protect_type=%d key_type=%d",
__func__, protect_type, key_type);
if (addr) {
wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR,
__func__, MAC2STR(addr));
}
return 0;
}
#ifdef CONFIG_CLIENT_MLME
static struct wpa_hw_modes *
wpa_driver_test_get_hw_feature_data(void *priv, u16 *num_modes, u16 *flags)
{
struct wpa_hw_modes *modes;
*num_modes = 1;
*flags = 0;
modes = os_zalloc(*num_modes * sizeof(struct wpa_hw_modes));
if (modes == NULL)
return NULL;
modes[0].mode = WPA_MODE_IEEE80211G;
modes[0].num_channels = 1;
modes[0].num_rates = 1;
modes[0].channels = os_zalloc(sizeof(struct wpa_channel_data));
modes[0].rates = os_zalloc(sizeof(struct wpa_rate_data));
if (modes[0].channels == NULL || modes[0].rates == NULL) {
ieee80211_sta_free_hw_features(modes, *num_modes);
return NULL;
}
modes[0].channels[0].chan = 1;
modes[0].channels[0].freq = 2412;
modes[0].channels[0].flag = WPA_CHAN_W_SCAN | WPA_CHAN_W_ACTIVE_SCAN;
modes[0].rates[0].rate = 10;
modes[0].rates[0].flags = WPA_RATE_BASIC | WPA_RATE_SUPPORTED |
WPA_RATE_CCK | WPA_RATE_MANDATORY;
return modes;
}
int wpa_driver_test_set_channel(void *priv, wpa_hw_mode phymode, int chan,
int freq)
{
wpa_printf(MSG_DEBUG, "%s: phymode=%d chan=%d freq=%d",
__func__, phymode, chan, freq);
return 0;
}
static int wpa_driver_test_send_mlme(void *priv, const u8 *data,
size_t data_len)
{
struct wpa_driver_test_data *drv = priv;
struct msghdr msg;
struct iovec io[2];
struct sockaddr_un addr;
const u8 *dest;
struct dirent *dent;
DIR *dir;
wpa_hexdump(MSG_MSGDUMP, "test_send_mlme", data, data_len);
if (data_len < 10)
return -1;
dest = data + 4;
io[0].iov_base = "MLME ";
io[0].iov_len = 5;
io[1].iov_base = (u8 *) data;
io[1].iov_len = data_len;
os_memset(&msg, 0, sizeof(msg));
msg.msg_iov = io;
msg.msg_iovlen = 2;
if (os_memcmp(dest, drv->bssid, ETH_ALEN) == 0 ||
drv->test_dir == NULL) {
msg.msg_name = &drv->hostapd_addr;
msg.msg_namelen = sizeof(drv->hostapd_addr);
} else if (os_memcmp(dest, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) == 0)
{
dir = opendir(drv->test_dir);
if (dir == NULL)
return -1;
while ((dent = readdir(dir))) {
#ifdef _DIRENT_HAVE_D_TYPE
/* Skip the file if it is not a socket.
* Also accept DT_UNKNOWN (0) in case
* the C library or underlying file
* system does not support d_type. */
if (dent->d_type != DT_SOCK &&
dent->d_type != DT_UNKNOWN)
continue;
#endif /* _DIRENT_HAVE_D_TYPE */
if (os_strcmp(dent->d_name, ".") == 0 ||
os_strcmp(dent->d_name, "..") == 0)
continue;
wpa_printf(MSG_DEBUG, "%s: Send broadcast MLME to %s",
__func__, dent->d_name);
os_memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_snprintf(addr.sun_path, sizeof(addr.sun_path),
"%s/%s", drv->test_dir, dent->d_name);
msg.msg_name = &addr;
msg.msg_namelen = sizeof(addr);
if (sendmsg(drv->test_socket, &msg, 0) < 0)
perror("sendmsg(test_socket)");
}
closedir(dir);
return 0;
} else {
struct stat st;
os_memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_snprintf(addr.sun_path, sizeof(addr.sun_path),
"%s/AP-" MACSTR, drv->test_dir, MAC2STR(dest));
if (stat(addr.sun_path, &st) < 0) {
os_snprintf(addr.sun_path, sizeof(addr.sun_path),
"%s/STA-" MACSTR,
drv->test_dir, MAC2STR(dest));
}
msg.msg_name = &addr;
msg.msg_namelen = sizeof(addr);
}
if (sendmsg(drv->test_socket, &msg, 0) < 0) {
perror("sendmsg(test_socket)");
return -1;
}
return 0;
}
static int wpa_driver_test_mlme_add_sta(void *priv, const u8 *addr,
const u8 *supp_rates,
size_t supp_rates_len)
{
wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
return 0;
}
static int wpa_driver_test_mlme_remove_sta(void *priv, const u8 *addr)
{
wpa_printf(MSG_DEBUG, "%s: addr=" MACSTR, __func__, MAC2STR(addr));
return 0;
}
int wpa_driver_test_set_ssid(void *priv, const u8 *ssid, size_t ssid_len)
{
wpa_printf(MSG_DEBUG, "%s", __func__);
return 0;
}
int wpa_driver_test_set_bssid(void *priv, const u8 *bssid)
{
wpa_printf(MSG_DEBUG, "%s: bssid=" MACSTR, __func__, MAC2STR(bssid));
return 0;
}
#endif /* CONFIG_CLIENT_MLME */
int wpa_driver_test_driver_cmd( void *priv, char *cmd, char *buf, size_t buf_len )
{
struct wpa_driver_test_data *drv = (struct wpa_driver_test_data *)priv;
int ret = -1;
wpa_printf(MSG_DEBUG, "%s %s", __func__, cmd);
if( os_strncasecmp(cmd, "start", 5) == 0 ) {
wpa_printf(MSG_DEBUG,"Start command");
ret = 0;
}
else if( os_strncasecmp(cmd, "stop", 4) == 0 ) {
wpa_printf(MSG_DEBUG,"Stop command");
ret = 0;
}
else if( os_strncasecmp(cmd, "macaddr", 7) == 0 ) {
u8 *macaddr = (u8 *)wpa_driver_test_get_mac_addr(priv);
wpa_printf(MSG_DEBUG,"Macaddr command");
wpa_printf(MSG_DEBUG, " Macaddr = " MACSTR, MAC2STR(macaddr));
ret = os_snprintf(buf, buf_len, "Macaddr = " MACSTR "\n", MAC2STR(macaddr));
}
else if( os_strncasecmp(cmd, "rssi", 4) == 0 ) {
wpa_printf(MSG_DEBUG,"RSSI command");
ret = os_snprintf(buf, buf_len, MACSTR " Rssi %d\n", MAC2STR(drv->bssid), -10);
} else if (os_strncasecmp(cmd, "linkspeed", 9) == 0) {
wpa_printf(MSG_DEBUG, "LinkSpeed command");
ret = os_snprintf(buf, buf_len, "LinkSpeed %u\n", 11);
}
return ret;
}
const struct wpa_driver_ops wpa_driver_test_ops = {
"test",
"wpa_supplicant test driver",
wpa_driver_test_get_bssid,
wpa_driver_test_get_ssid,
wpa_driver_test_set_wpa,
wpa_driver_test_set_key,
wpa_driver_test_init,
wpa_driver_test_deinit,
wpa_driver_test_set_param,
NULL /* set_countermeasures */,
NULL /* set_drop_unencrypted */,
wpa_driver_test_scan,
wpa_driver_test_get_scan_results,
wpa_driver_test_deauthenticate,
wpa_driver_test_disassociate,
wpa_driver_test_associate,
NULL /* set_auth_alg */,
NULL /* add_pmkid */,
NULL /* remove_pmkid */,
NULL /* flush_pmkid */,
wpa_driver_test_get_capa,
NULL /* poll */,
NULL /* get_ifname */,
wpa_driver_test_get_mac_addr,
wpa_driver_test_send_eapol,
NULL /* set_operstate */,
wpa_driver_test_mlme_setprotection,
#ifdef CONFIG_CLIENT_MLME
wpa_driver_test_get_hw_feature_data,
wpa_driver_test_set_channel,
wpa_driver_test_set_ssid,
wpa_driver_test_set_bssid,
wpa_driver_test_send_mlme,
wpa_driver_test_mlme_add_sta,
wpa_driver_test_mlme_remove_sta,
#else /* CONFIG_CLIENT_MLME */
NULL /* get_hw_feature_data */,
NULL /* set_channel */,
NULL /* set_ssid */,
NULL /* set_bssid */,
NULL /* send_mlme */,
NULL /* mlme_add_sta */,
NULL /* mlme_remove_sta */,
#endif /* CONFIG_CLIENT_MLME */
wpa_driver_test_driver_cmd
};
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