* WPA Supplicant / privileged helper program
* Copyright (c) 2007-2009, 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.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
char *sock_name;
int fd;
- struct wpa_driver_ops *driver;
+ const struct wpa_driver_ops *driver;
void *drv_priv;
+ void *drv_global_priv;
struct sockaddr_un drv_addr;
int wpas_registered;
if (iface->driver->deinit)
iface->driver->deinit(iface->drv_priv);
iface->drv_priv = NULL;
+ if (iface->drv_global_priv) {
+ iface->driver->global_deinit(iface->drv_global_priv);
+ iface->drv_global_priv = NULL;
+ }
iface->wpas_registered = 0;
}
iface->l2 = NULL;
}
- if (iface->driver->init == NULL)
+ if (iface->driver->init2) {
+ if (iface->driver->global_init) {
+ iface->drv_global_priv = iface->driver->global_init();
+ if (!iface->drv_global_priv) {
+ wpa_printf(MSG_INFO,
+ "Failed to initialize driver global context");
+ return;
+ }
+ } else {
+ iface->drv_global_priv = NULL;
+ }
+ iface->drv_priv = iface->driver->init2(iface, iface->ifname,
+ iface->drv_global_priv);
+ } else if (iface->driver->init) {
+ iface->drv_priv = iface->driver->init(iface, iface->ifname);
+ } else {
return;
-
- iface->drv_priv = iface->driver->init(iface, iface->ifname);
+ }
if (iface->drv_priv == NULL) {
wpa_printf(MSG_DEBUG, "Failed to initialize driver wrapper");
return;
if (iface->driver->deinit)
iface->driver->deinit(iface->drv_priv);
iface->drv_priv = NULL;
+ if (iface->drv_global_priv) {
+ iface->driver->global_deinit(iface->drv_global_priv);
+ iface->drv_global_priv = NULL;
+ }
iface->wpas_registered = 0;
}
}
}
+static void wpa_priv_cmd_authenticate(struct wpa_priv_interface *iface,
+ void *buf, size_t len)
+{
+ struct wpa_driver_auth_params params;
+ struct privsep_cmd_authenticate *auth;
+ int res, i;
+
+ if (iface->drv_priv == NULL || iface->driver->authenticate == NULL)
+ return;
+
+ if (len < sizeof(*auth)) {
+ wpa_printf(MSG_DEBUG, "Invalid authentication request");
+ return;
+ }
+
+ auth = buf;
+ if (sizeof(*auth) + auth->ie_len + auth->sae_data_len > len) {
+ wpa_printf(MSG_DEBUG, "Authentication request overflow");
+ return;
+ }
+
+ os_memset(¶ms, 0, sizeof(params));
+ params.freq = auth->freq;
+ params.bssid = auth->bssid;
+ params.ssid = auth->ssid;
+ if (auth->ssid_len > SSID_MAX_LEN)
+ return;
+ params.ssid_len = auth->ssid_len;
+ params.auth_alg = auth->auth_alg;
+ for (i = 0; i < 4; i++) {
+ if (auth->wep_key_len[i]) {
+ params.wep_key[i] = auth->wep_key[i];
+ params.wep_key_len[i] = auth->wep_key_len[i];
+ }
+ }
+ params.wep_tx_keyidx = auth->wep_tx_keyidx;
+ params.local_state_change = auth->local_state_change;
+ params.p2p = auth->p2p;
+ if (auth->ie_len) {
+ params.ie = (u8 *) (auth + 1);
+ params.ie_len = auth->ie_len;
+ }
+ if (auth->sae_data_len) {
+ params.sae_data = ((u8 *) (auth + 1)) + auth->ie_len;
+ params.sae_data_len = auth->sae_data_len;
+ }
+
+ res = iface->driver->authenticate(iface->drv_priv, ¶ms);
+ wpa_printf(MSG_DEBUG, "drv->authenticate: res=%d", res);
+}
+
+
static void wpa_priv_cmd_associate(struct wpa_priv_interface *iface,
void *buf, size_t len)
{
if (bssid[0] | bssid[1] | bssid[2] | bssid[3] | bssid[4] | bssid[5])
params.bssid = bssid;
params.ssid = assoc->ssid;
- if (assoc->ssid_len > 32)
+ if (assoc->ssid_len > SSID_MAX_LEN)
return;
params.ssid_len = assoc->ssid_len;
- params.freq = assoc->freq;
+ params.freq.mode = assoc->hwmode;
+ params.freq.freq = assoc->freq;
+ params.freq.channel = assoc->channel;
if (assoc->wpa_ie_len) {
params.wpa_ie = (u8 *) (assoc + 1);
params.wpa_ie_len = assoc->wpa_ie_len;
static void wpa_priv_cmd_get_ssid(struct wpa_priv_interface *iface,
struct sockaddr_un *from)
{
- u8 ssid[sizeof(int) + 32];
+ u8 ssid[sizeof(int) + SSID_MAX_LEN];
int res;
if (iface->drv_priv == NULL)
goto fail;
res = iface->driver->get_ssid(iface->drv_priv, &ssid[sizeof(int)]);
- if (res < 0 || res > 32)
+ if (res < 0 || res > SSID_MAX_LEN)
goto fail;
os_memcpy(ssid, &res, sizeof(int));
iface->driver->get_capa(iface->drv_priv, &capa) < 0)
goto fail;
+ /* For now, no support for passing extended_capa pointers */
+ capa.extended_capa = NULL;
+ capa.extended_capa_mask = NULL;
+ capa.extended_capa_len = 0;
sendto(iface->fd, &capa, sizeof(capa), 0, (struct sockaddr *) from,
sizeof(*from));
return;
msg.msg_namelen = sizeof(iface->l2_addr);
if (sendmsg(iface->fd, &msg, 0) < 0) {
- perror("sendmsg(l2 rx)");
+ wpa_printf(MSG_ERROR, "sendmsg(l2 rx): %s", strerror(errno));
}
}
}
proto = reg_cmd[0];
- if (proto != ETH_P_EAPOL && proto != ETH_P_RSN_PREAUTH) {
+ if (proto != ETH_P_EAPOL && proto != ETH_P_RSN_PREAUTH &&
+ proto != ETH_P_80211_ENCAP) {
wpa_printf(MSG_DEBUG, "Refused l2_packet connection for "
"ethertype 0x%x", proto);
return;
res = recvfrom(sock, buf, sizeof(buf), 0, (struct sockaddr *) &from,
&fromlen);
if (res < 0) {
- perror("recvfrom");
+ wpa_printf(MSG_ERROR, "recvfrom: %s", strerror(errno));
return;
}
pos[cmd_len] = '\0';
wpa_priv_cmd_set_country(iface, pos);
break;
+ case PRIVSEP_CMD_AUTHENTICATE:
+ wpa_priv_cmd_authenticate(iface, cmd_buf, cmd_len);
+ break;
}
}
}
-extern struct wpa_driver_ops *wpa_drivers[];
-
static struct wpa_priv_interface *
wpa_priv_interface_init(const char *dir, const char *params)
{
iface->fd = -1;
len = pos - params;
- iface->driver_name = os_malloc(len + 1);
+ iface->driver_name = dup_binstr(params, len);
if (iface->driver_name == NULL) {
wpa_priv_interface_deinit(iface);
return NULL;
}
- os_memcpy(iface->driver_name, params, len);
- iface->driver_name[len] = '\0';
for (i = 0; wpa_drivers[i]; i++) {
if (os_strcmp(iface->driver_name,
iface->fd = socket(PF_UNIX, SOCK_DGRAM, 0);
if (iface->fd < 0) {
- perror("socket(PF_UNIX)");
+ wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
wpa_priv_interface_deinit(iface);
return NULL;
}
"allow connections - assuming it was "
"leftover from forced program termination");
if (unlink(iface->sock_name) < 0) {
- perror("unlink[ctrl_iface]");
- wpa_printf(MSG_ERROR, "Could not unlink "
- "existing ctrl_iface socket '%s'",
- iface->sock_name);
+ wpa_printf(MSG_ERROR,
+ "Could not unlink existing ctrl_iface socket '%s': %s",
+ iface->sock_name, strerror(errno));
goto fail;
}
if (bind(iface->fd, (struct sockaddr *) &addr,
sizeof(addr)) < 0) {
- perror("bind(PF_UNIX)");
+ wpa_printf(MSG_ERROR,
+ "wpa-priv-iface-init: bind(PF_UNIX): %s",
+ strerror(errno));
goto fail;
}
wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
}
if (chmod(iface->sock_name, S_IRWXU | S_IRWXG | S_IRWXO) < 0) {
- perror("chmod");
+ wpa_printf(MSG_ERROR, "chmod: %s", strerror(errno));
goto fail;
}
msg.msg_namelen = sizeof(iface->drv_addr);
if (sendmsg(iface->fd, &msg, 0) < 0) {
- perror("sendmsg(wpas_socket)");
+ wpa_printf(MSG_ERROR, "sendmsg(wpas_socket): %s",
+ strerror(errno));
return -1;
}
}
+static void wpa_priv_send_auth(struct wpa_priv_interface *iface,
+ union wpa_event_data *data)
+{
+ size_t buflen = sizeof(struct privsep_event_auth) + data->auth.ies_len;
+ struct privsep_event_auth *auth;
+ u8 *buf, *pos;
+
+ buf = os_malloc(buflen);
+ if (buf == NULL)
+ return;
+
+ auth = (struct privsep_event_auth *) buf;
+ pos = (u8 *) (auth + 1);
+
+ os_memcpy(auth->peer, data->auth.peer, ETH_ALEN);
+ os_memcpy(auth->bssid, data->auth.bssid, ETH_ALEN);
+ auth->auth_type = data->auth.auth_type;
+ auth->auth_transaction = data->auth.auth_transaction;
+ auth->status_code = data->auth.status_code;
+ if (data->auth.ies) {
+ os_memcpy(pos, data->auth.ies, data->auth.ies_len);
+ auth->ies_len = data->auth.ies_len;
+ }
+
+ wpa_priv_send_event(iface, PRIVSEP_EVENT_AUTH, buf, buflen);
+
+ os_free(buf);
+}
+
+
static void wpa_priv_send_assoc(struct wpa_priv_interface *iface, int event,
union wpa_event_data *data)
{
}
-void wpa_supplicant_event(void *ctx, wpa_event_type event,
+void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
union wpa_event_data *data)
{
struct wpa_priv_interface *iface = ctx;
&data->michael_mic_failure.unicast,
sizeof(int));
break;
+ case EVENT_SCAN_STARTED:
+ wpa_priv_send_event(iface, PRIVSEP_EVENT_SCAN_STARTED, NULL,
+ 0);
+ break;
case EVENT_SCAN_RESULTS:
wpa_priv_send_event(iface, PRIVSEP_EVENT_SCAN_RESULTS, NULL,
0);
case EVENT_FT_RESPONSE:
wpa_priv_send_ft_response(iface, data);
break;
+ case EVENT_AUTH:
+ wpa_priv_send_auth(iface, data);
+ break;
default:
- wpa_printf(MSG_DEBUG, "Unsupported driver event %d - TODO",
- event);
+ wpa_printf(MSG_DEBUG, "Unsupported driver event %d (%s) - TODO",
+ event, event_to_string(event));
break;
}
}
msg.msg_namelen = sizeof(iface->drv_addr);
if (sendmsg(iface->fd, &msg, 0) < 0)
- perror("sendmsg(wpas_socket)");
+ wpa_printf(MSG_ERROR, "sendmsg(wpas_socket): %s",
+ strerror(errno));
}
-static void wpa_priv_terminate(int sig, void *eloop_ctx, void *signal_ctx)
+static void wpa_priv_terminate(int sig, void *signal_ctx)
{
wpa_printf(MSG_DEBUG, "wpa_priv termination requested");
eloop_terminate();
"contributors\n"
"\n"
"usage:\n"
- " wpa_priv [-Bdd] [-P<pid file>] <driver:ifname> "
- "[driver:ifname ...]\n");
+ " wpa_priv [-Bdd] [-c<ctrl dir>] [-P<pid file>] "
+ "<driver:ifname> \\\n"
+ " [driver:ifname ...]\n");
}
-extern int wpa_debug_level;
-
int main(int argc, char *argv[])
{
int c, i;
break;
default:
usage();
- goto out;
+ goto out2;
}
}
if (optind >= argc) {
usage();
- goto out;
+ goto out2;
}
wpa_printf(MSG_DEBUG, "wpa_priv control directory: '%s'", ctrl_dir);
if (eloop_init()) {
wpa_printf(MSG_ERROR, "Failed to initialize event loop");
- goto out;
+ goto out2;
}
for (i = optind; i < argc; i++) {
eloop_destroy();
- os_daemonize_terminate(pid_file);
+out2:
+ if (daemonize)
+ os_daemonize_terminate(pid_file);
os_free(pid_file);
os_program_deinit();
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