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driver_test: Optional support for using UDP socket

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driver_test can now be used either over UNIX domain socket or UDP
socket. This makes it possible to run the test over network and makes it
easier to port driver_test to Windows.

hostapd configuration: test_socket=UDP:<listen port>
wpa_supplicant configuration: driver_param=test_udp=<dst IP addr>:<port>
This commit is contained in:
Jouni Malinen 2008-12-12 21:35:22 +02:00
parent 2ff0f83b9e
commit e33bbd8f4d
4 changed files with 123 additions and 20 deletions
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1
hostapd/ChangeLog
View File

@ -16,6 +16,7 @@ ChangeLog for hostapd
* fixed WEP authentication (both Open System and Shared Key) with
mac80211
* added support for EAP-AKA' (draft-arkko-eap-aka-kdf)
* added support for using driver_test over UDP socket
2008-11-23 - v0.6.6
* added a new configuration option, wpa_ptk_rekey, that can be used to

45
hostapd/driver_test.c
View File

@ -61,6 +61,7 @@ struct test_driver_data {
struct test_driver_bss *bss;
char *socket_dir;
char *own_socket_path;
int udp_port;
};
@ -1142,7 +1143,10 @@ static int test_driver_sta_add(const char *ifname, void *priv, const u8 *addr,
static void * test_driver_init(struct hostapd_data *hapd)
{
struct test_driver_data *drv;
struct sockaddr_un addr;
struct sockaddr_un addr_un;
struct sockaddr_in addr_in;
struct sockaddr *addr;
socklen_t alen;
drv = os_zalloc(sizeof(struct test_driver_data));
if (drv == NULL) {
@ -1169,7 +1173,8 @@ static void * test_driver_init(struct hostapd_data *hapd)
memcpy(drv->bss->bssid, hapd->own_addr, ETH_ALEN);
if (hapd->conf->test_socket) {
if (strlen(hapd->conf->test_socket) >= sizeof(addr.sun_path)) {
if (strlen(hapd->conf->test_socket) >=
sizeof(addr_un.sun_path)) {
printf("Too long test_socket path\n");
test_driver_free_priv(drv);
return NULL;
@ -1184,30 +1189,43 @@ static void * test_driver_init(struct hostapd_data *hapd)
hapd->conf->test_socket + 4,
MAC2STR(hapd->own_addr));
}
} else if (strncmp(hapd->conf->test_socket, "UDP:", 4) == 0) {
drv->udp_port = atoi(hapd->conf->test_socket + 4);
} else {
drv->own_socket_path = strdup(hapd->conf->test_socket);
}
if (drv->own_socket_path == NULL) {
if (drv->own_socket_path == NULL && drv->udp_port == 0) {
test_driver_free_priv(drv);
return NULL;
}
drv->test_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
drv->test_socket = socket(drv->udp_port ? PF_INET : PF_UNIX,
SOCK_DGRAM, 0);
if (drv->test_socket < 0) {
perror("socket(PF_UNIX)");
perror("socket");
test_driver_free_priv(drv);
return NULL;
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
os_strlcpy(addr.sun_path, drv->own_socket_path,
sizeof(addr.sun_path));
if (bind(drv->test_socket, (struct sockaddr *) &addr,
sizeof(addr)) < 0) {
if (drv->udp_port) {
os_memset(&addr_in, 0, sizeof(addr_in));
addr_in.sin_family = AF_INET;
addr_in.sin_port = htons(drv->udp_port);
addr = (struct sockaddr *) &addr_in;
alen = sizeof(addr_in);
} else {
os_memset(&addr_un, 0, sizeof(addr_un));
addr_un.sun_family = AF_UNIX;
os_strlcpy(addr_un.sun_path, drv->own_socket_path,
sizeof(addr_un.sun_path));
addr = (struct sockaddr *) &addr_un;
alen = sizeof(addr_un);
}
if (bind(drv->test_socket, addr, alen) < 0) {
perror("bind(PF_UNIX)");
close(drv->test_socket);
unlink(drv->own_socket_path);
if (drv->own_socket_path)
unlink(drv->own_socket_path);
test_driver_free_priv(drv);
return NULL;
}
@ -1235,7 +1253,8 @@ static void test_driver_deinit(void *priv)
if (drv->test_socket >= 0) {
eloop_unregister_read_sock(drv->test_socket);
close(drv->test_socket);
unlink(drv->own_socket_path);
if (drv->own_socket_path)
unlink(drv->own_socket_path);
}
/* There should be only one BSS remaining at this point. */

96
src/drivers/driver_test.c
View File

@ -31,6 +31,8 @@ struct wpa_driver_test_data {
int test_socket;
struct sockaddr_un hostapd_addr;
int hostapd_addr_set;
struct sockaddr_in hostapd_addr_udp;
int hostapd_addr_udp_set;
char *own_socket_path;
char *test_dir;
u8 bssid[ETH_ALEN];
@ -145,6 +147,13 @@ static int wpa_driver_test_scan(void *priv, const u8 *ssid, size_t ssid_len)
perror("sendto(test_socket)");
}
if (drv->test_socket >= 0 && drv->hostapd_addr_udp_set &&
sendto(drv->test_socket, "SCAN", 4, 0,
(struct sockaddr *) &drv->hostapd_addr_udp,
sizeof(drv->hostapd_addr_udp)) < 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);
@ -242,7 +251,8 @@ static int wpa_driver_test_associate(
drv->hostapd_addr_set = 1;
}
if (drv->test_socket >= 0 && drv->hostapd_addr_set) {
if (drv->test_socket >= 0 &&
(drv->hostapd_addr_set || drv->hostapd_addr_udp_set)) {
char cmd[200], *pos, *end;
int ret;
end = cmd + sizeof(cmd);
@ -259,12 +269,20 @@ static int wpa_driver_test_associate(
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,
if (drv->hostapd_addr_set &&
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;
}
if (drv->hostapd_addr_udp_set &&
sendto(drv->test_socket, cmd, os_strlen(cmd), 0,
(struct sockaddr *) &drv->hostapd_addr_udp,
sizeof(drv->hostapd_addr_udp)) < 0) {
perror("sendto(test_socket)");
return -1;
}
os_memcpy(drv->ssid, params->ssid, params->ssid_len);
drv->ssid_len = params->ssid_len;
@ -640,6 +658,50 @@ static int wpa_driver_test_attach(struct wpa_driver_test_data *drv,
}
static int wpa_driver_test_attach_udp(struct wpa_driver_test_data *drv,
char *dst)
{
char *pos;
pos = os_strchr(dst, ':');
if (pos == NULL)
return -1;
*pos++ = '\0';
wpa_printf(MSG_DEBUG, "%s: addr=%s port=%s", __func__, dst, pos);
drv->test_socket = socket(PF_INET, SOCK_DGRAM, 0);
if (drv->test_socket < 0) {
perror("socket(PF_INET)");
return -1;
}
os_memset(&drv->hostapd_addr_udp, 0, sizeof(drv->hostapd_addr_udp));
drv->hostapd_addr_udp.sin_family = AF_INET;
#if defined(CONFIG_NATIVE_WINDOWS) || defined(CONFIG_ANSI_C_EXTRA)
{
int a[4];
u8 *pos;
sscanf(dst, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]);
pos = (u8 *) &drv->hostapd_addr_udp.sin_addr;
*pos++ = a[0];
*pos++ = a[1];
*pos++ = a[2];
*pos++ = a[3];
}
#else /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
inet_aton(dst, &drv->hostapd_addr_udp.sin_addr);
#endif /* CONFIG_NATIVE_WINDOWS or CONFIG_ANSI_C_EXTRA */
drv->hostapd_addr_udp.sin_port = htons(atoi(pos));
drv->hostapd_addr_udp_set = 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;
@ -677,9 +739,24 @@ static int wpa_driver_test_set_param(void *priv, const char *param)
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 (wpa_driver_test_attach(drv, drv->test_dir))
return -1;
} else {
pos = os_strstr(param, "test_udp=");
if (pos) {
char *dst, *epos;
dst = os_strdup(pos + 9);
if (dst == NULL)
return -1;
epos = os_strchr(dst, ' ');
if (epos)
*epos = '\0';
if (wpa_driver_test_attach_udp(drv, dst))
return -1;
os_free(dst);
} else if (wpa_driver_test_attach(drv, NULL))
return -1;
}
if (os_strstr(param, "use_associnfo=1")) {
wpa_printf(MSG_DEBUG, "test_driver: Use AssocInfo events");
@ -733,8 +810,13 @@ static int wpa_driver_test_send_eapol(void *priv, const u8 *dest, u16 proto,
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);
if (drv->hostapd_addr_udp_set) {
msg.msg_name = &drv->hostapd_addr_udp;
msg.msg_namelen = sizeof(drv->hostapd_addr_udp);
} else {
msg.msg_name = &drv->hostapd_addr;
msg.msg_namelen = sizeof(drv->hostapd_addr);
}
} else {
struct stat st;
os_memset(&addr, 0, sizeof(addr));

1
wpa_supplicant/ChangeLog
View File

@ -11,6 +11,7 @@ ChangeLog for wpa_supplicant
file); new wpa_cli commands wps_pin, wps_pbc, and wps_reg are used to
manage WPS negotiation; see README-WPS for more details
* added support for EAP-AKA' (draft-arkko-eap-aka-kdf)
* added support for using driver_test over UDP socket
2008-11-23 - v0.6.6
* added Milenage SIM/USIM emulator for EAP-SIM/EAP-AKA