wpa_supplicant: Initial Revision 0.8.X
Based on:
commit 0725cc7b7efc434910e89865c42eda7ce61bbf08
Author: Jouni Malinen <j@w1.fi>
Date: Thu Apr 21 20:41:01 2011 +0300
Enable CONFIG_DRIVER_NL80211=y in the default configuration
nl80211 should be preferred over WEXT with any recent Linux
kernel version.
Change-Id: I26aec5afbbd4f4a1f5fd900912545b6f5050de64
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/src/drivers/driver_privsep.c b/src/drivers/driver_privsep.c
new file mode 100644
index 0000000..2848521
--- /dev/null
+++ b/src/drivers/driver_privsep.c
@@ -0,0 +1,758 @@
+/*
+ * WPA Supplicant - privilege separated driver interface
+ * 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.
+ */
+
+#include "includes.h"
+#include <sys/un.h>
+
+#include "common.h"
+#include "driver.h"
+#include "eloop.h"
+#include "common/privsep_commands.h"
+
+
+struct wpa_driver_privsep_data {
+ void *ctx;
+ u8 own_addr[ETH_ALEN];
+ int priv_socket;
+ char *own_socket_path;
+ int cmd_socket;
+ char *own_cmd_path;
+ struct sockaddr_un priv_addr;
+ char ifname[16];
+};
+
+
+static int wpa_priv_reg_cmd(struct wpa_driver_privsep_data *drv, int cmd)
+{
+ int res;
+
+ res = sendto(drv->priv_socket, &cmd, sizeof(cmd), 0,
+ (struct sockaddr *) &drv->priv_addr,
+ sizeof(drv->priv_addr));
+ if (res < 0)
+ perror("sendto");
+ return res < 0 ? -1 : 0;
+}
+
+
+static int wpa_priv_cmd(struct wpa_driver_privsep_data *drv, int cmd,
+ const void *data, size_t data_len,
+ void *reply, size_t *reply_len)
+{
+ struct msghdr msg;
+ struct iovec io[2];
+
+ io[0].iov_base = &cmd;
+ io[0].iov_len = sizeof(cmd);
+ 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 = data ? 2 : 1;
+ msg.msg_name = &drv->priv_addr;
+ msg.msg_namelen = sizeof(drv->priv_addr);
+
+ if (sendmsg(drv->cmd_socket, &msg, 0) < 0) {
+ perror("sendmsg(cmd_socket)");
+ return -1;
+ }
+
+ if (reply) {
+ fd_set rfds;
+ struct timeval tv;
+ int res;
+
+ FD_ZERO(&rfds);
+ FD_SET(drv->cmd_socket, &rfds);
+ tv.tv_sec = 5;
+ tv.tv_usec = 0;
+ res = select(drv->cmd_socket + 1, &rfds, NULL, NULL, &tv);
+ if (res < 0 && errno != EINTR) {
+ perror("select");
+ return -1;
+ }
+
+ if (FD_ISSET(drv->cmd_socket, &rfds)) {
+ res = recv(drv->cmd_socket, reply, *reply_len, 0);
+ if (res < 0) {
+ perror("recv");
+ return -1;
+ }
+ *reply_len = res;
+ } else {
+ wpa_printf(MSG_DEBUG, "PRIVSEP: Timeout while waiting "
+ "for reply (cmd=%d)", cmd);
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+
+static int wpa_driver_privsep_scan(void *priv,
+ struct wpa_driver_scan_params *params)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ const u8 *ssid = params->ssids[0].ssid;
+ size_t ssid_len = params->ssids[0].ssid_len;
+ wpa_printf(MSG_DEBUG, "%s: priv=%p", __func__, priv);
+ return wpa_priv_cmd(drv, PRIVSEP_CMD_SCAN, ssid, ssid_len,
+ NULL, NULL);
+}
+
+
+static struct wpa_scan_results *
+wpa_driver_privsep_get_scan_results2(void *priv)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ int res, num;
+ u8 *buf, *pos, *end;
+ size_t reply_len = 60000;
+ struct wpa_scan_results *results;
+ struct wpa_scan_res *r;
+
+ buf = os_malloc(reply_len);
+ if (buf == NULL)
+ return NULL;
+ res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SCAN_RESULTS,
+ NULL, 0, buf, &reply_len);
+ if (res < 0) {
+ os_free(buf);
+ return NULL;
+ }
+
+ wpa_printf(MSG_DEBUG, "privsep: Received %lu bytes of scan results",
+ (unsigned long) reply_len);
+ if (reply_len < sizeof(int)) {
+ wpa_printf(MSG_DEBUG, "privsep: Invalid scan result len %lu",
+ (unsigned long) reply_len);
+ os_free(buf);
+ return NULL;
+ }
+
+ pos = buf;
+ end = buf + reply_len;
+ os_memcpy(&num, pos, sizeof(int));
+ if (num < 0 || num > 1000) {
+ os_free(buf);
+ return NULL;
+ }
+ pos += sizeof(int);
+
+ results = os_zalloc(sizeof(*results));
+ if (results == NULL) {
+ os_free(buf);
+ return NULL;
+ }
+
+ results->res = os_zalloc(num * sizeof(struct wpa_scan_res *));
+ if (results->res == NULL) {
+ os_free(results);
+ os_free(buf);
+ return NULL;
+ }
+
+ while (results->num < (size_t) num && pos + sizeof(int) < end) {
+ int len;
+ os_memcpy(&len, pos, sizeof(int));
+ pos += sizeof(int);
+ if (len < 0 || len > 10000 || pos + len > end)
+ break;
+
+ r = os_malloc(len);
+ if (r == NULL)
+ break;
+ os_memcpy(r, pos, len);
+ pos += len;
+ if (sizeof(*r) + r->ie_len > (size_t) len) {
+ os_free(r);
+ break;
+ }
+
+ results->res[results->num++] = r;
+ }
+
+ os_free(buf);
+ return results;
+}
+
+
+static int wpa_driver_privsep_set_key(const char *ifname, void *priv,
+ enum 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)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ struct privsep_cmd_set_key cmd;
+
+ wpa_printf(MSG_DEBUG, "%s: priv=%p alg=%d key_idx=%d set_tx=%d",
+ __func__, priv, alg, key_idx, set_tx);
+
+ os_memset(&cmd, 0, sizeof(cmd));
+ cmd.alg = alg;
+ if (addr)
+ os_memcpy(cmd.addr, addr, ETH_ALEN);
+ else
+ os_memset(cmd.addr, 0xff, ETH_ALEN);
+ cmd.key_idx = key_idx;
+ cmd.set_tx = set_tx;
+ if (seq && seq_len > 0 && seq_len < sizeof(cmd.seq)) {
+ os_memcpy(cmd.seq, seq, seq_len);
+ cmd.seq_len = seq_len;
+ }
+ if (key && key_len > 0 && key_len < sizeof(cmd.key)) {
+ os_memcpy(cmd.key, key, key_len);
+ cmd.key_len = key_len;
+ }
+
+ return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_KEY, &cmd, sizeof(cmd),
+ NULL, NULL);
+}
+
+
+static int wpa_driver_privsep_associate(
+ void *priv, struct wpa_driver_associate_params *params)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ struct privsep_cmd_associate *data;
+ int res;
+ size_t buflen;
+
+ 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);
+
+ buflen = sizeof(*data) + params->wpa_ie_len;
+ data = os_zalloc(buflen);
+ if (data == NULL)
+ return -1;
+
+ if (params->bssid)
+ os_memcpy(data->bssid, params->bssid, ETH_ALEN);
+ os_memcpy(data->ssid, params->ssid, params->ssid_len);
+ data->ssid_len = params->ssid_len;
+ data->freq = params->freq;
+ data->pairwise_suite = params->pairwise_suite;
+ data->group_suite = params->group_suite;
+ data->key_mgmt_suite = params->key_mgmt_suite;
+ data->auth_alg = params->auth_alg;
+ data->mode = params->mode;
+ data->wpa_ie_len = params->wpa_ie_len;
+ if (params->wpa_ie)
+ os_memcpy(data + 1, params->wpa_ie, params->wpa_ie_len);
+ /* TODO: add support for other assoc parameters */
+
+ res = wpa_priv_cmd(drv, PRIVSEP_CMD_ASSOCIATE, data, buflen,
+ NULL, NULL);
+ os_free(data);
+
+ return res;
+}
+
+
+static int wpa_driver_privsep_get_bssid(void *priv, u8 *bssid)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ int res;
+ size_t len = ETH_ALEN;
+
+ res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_BSSID, NULL, 0, bssid, &len);
+ if (res < 0 || len != ETH_ALEN)
+ return -1;
+ return 0;
+}
+
+
+static int wpa_driver_privsep_get_ssid(void *priv, u8 *ssid)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ int res, ssid_len;
+ u8 reply[sizeof(int) + 32];
+ size_t len = sizeof(reply);
+
+ res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_SSID, NULL, 0, reply, &len);
+ if (res < 0 || len < sizeof(int))
+ return -1;
+ os_memcpy(&ssid_len, reply, sizeof(int));
+ if (ssid_len < 0 || ssid_len > 32 || sizeof(int) + ssid_len > len) {
+ wpa_printf(MSG_DEBUG, "privsep: Invalid get SSID reply");
+ return -1;
+ }
+ os_memcpy(ssid, &reply[sizeof(int)], ssid_len);
+ return ssid_len;
+}
+
+
+static int wpa_driver_privsep_deauthenticate(void *priv, const u8 *addr,
+ int reason_code)
+{
+ //struct wpa_driver_privsep_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+ __func__, MAC2STR(addr), reason_code);
+ wpa_printf(MSG_DEBUG, "%s - TODO", __func__);
+ return 0;
+}
+
+
+static int wpa_driver_privsep_disassociate(void *priv, const u8 *addr,
+ int reason_code)
+{
+ //struct wpa_driver_privsep_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s addr=" MACSTR " reason_code=%d",
+ __func__, MAC2STR(addr), reason_code);
+ wpa_printf(MSG_DEBUG, "%s - TODO", __func__);
+ return 0;
+}
+
+
+static void wpa_driver_privsep_event_assoc(void *ctx,
+ enum wpa_event_type event,
+ u8 *buf, size_t len)
+{
+ union wpa_event_data data;
+ int inc_data = 0;
+ u8 *pos, *end;
+ int ie_len;
+
+ os_memset(&data, 0, sizeof(data));
+
+ pos = buf;
+ end = buf + len;
+
+ if (end - pos < (int) sizeof(int))
+ return;
+ os_memcpy(&ie_len, pos, sizeof(int));
+ pos += sizeof(int);
+ if (ie_len < 0 || ie_len > end - pos)
+ return;
+ if (ie_len) {
+ data.assoc_info.req_ies = pos;
+ data.assoc_info.req_ies_len = ie_len;
+ pos += ie_len;
+ inc_data = 1;
+ }
+
+ wpa_supplicant_event(ctx, event, inc_data ? &data : NULL);
+}
+
+
+static void wpa_driver_privsep_event_interface_status(void *ctx, u8 *buf,
+ size_t len)
+{
+ union wpa_event_data data;
+ int ievent;
+
+ if (len < sizeof(int) ||
+ len - sizeof(int) > sizeof(data.interface_status.ifname))
+ return;
+
+ os_memcpy(&ievent, buf, sizeof(int));
+
+ os_memset(&data, 0, sizeof(data));
+ data.interface_status.ievent = ievent;
+ os_memcpy(data.interface_status.ifname, buf + sizeof(int),
+ len - sizeof(int));
+ wpa_supplicant_event(ctx, EVENT_INTERFACE_STATUS, &data);
+}
+
+
+static void wpa_driver_privsep_event_michael_mic_failure(
+ void *ctx, u8 *buf, size_t len)
+{
+ union wpa_event_data data;
+
+ if (len != sizeof(int))
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(&data.michael_mic_failure.unicast, buf, sizeof(int));
+ wpa_supplicant_event(ctx, EVENT_MICHAEL_MIC_FAILURE, &data);
+}
+
+
+static void wpa_driver_privsep_event_pmkid_candidate(void *ctx, u8 *buf,
+ size_t len)
+{
+ union wpa_event_data data;
+
+ if (len != sizeof(struct pmkid_candidate))
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(&data.pmkid_candidate, buf, len);
+ wpa_supplicant_event(ctx, EVENT_PMKID_CANDIDATE, &data);
+}
+
+
+static void wpa_driver_privsep_event_stkstart(void *ctx, u8 *buf, size_t len)
+{
+ union wpa_event_data data;
+
+ if (len != ETH_ALEN)
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(data.stkstart.peer, buf, ETH_ALEN);
+ wpa_supplicant_event(ctx, EVENT_STKSTART, &data);
+}
+
+
+static void wpa_driver_privsep_event_ft_response(void *ctx, u8 *buf,
+ size_t len)
+{
+ union wpa_event_data data;
+
+ if (len < sizeof(int) + ETH_ALEN)
+ return;
+
+ os_memset(&data, 0, sizeof(data));
+ os_memcpy(&data.ft_ies.ft_action, buf, sizeof(int));
+ os_memcpy(data.ft_ies.target_ap, buf + sizeof(int), ETH_ALEN);
+ data.ft_ies.ies = buf + sizeof(int) + ETH_ALEN;
+ data.ft_ies.ies_len = len - sizeof(int) - ETH_ALEN;
+ wpa_supplicant_event(ctx, EVENT_FT_RESPONSE, &data);
+}
+
+
+static void wpa_driver_privsep_event_rx_eapol(void *ctx, u8 *buf, size_t len)
+{
+ if (len < ETH_ALEN)
+ return;
+ drv_event_eapol_rx(ctx, buf, buf + ETH_ALEN, len - ETH_ALEN);
+}
+
+
+static void wpa_driver_privsep_receive(int sock, void *eloop_ctx,
+ void *sock_ctx)
+{
+ struct wpa_driver_privsep_data *drv = eloop_ctx;
+ u8 *buf, *event_buf;
+ size_t event_len;
+ int res, event;
+ enum privsep_event e;
+ 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, 0,
+ (struct sockaddr *) &from, &fromlen);
+ if (res < 0) {
+ perror("recvfrom(priv_socket)");
+ os_free(buf);
+ return;
+ }
+
+ wpa_printf(MSG_DEBUG, "privsep_driver: received %u bytes", res);
+
+ if (res < (int) sizeof(int)) {
+ wpa_printf(MSG_DEBUG, "Too short event message (len=%d)", res);
+ return;
+ }
+
+ os_memcpy(&event, buf, sizeof(int));
+ event_buf = &buf[sizeof(int)];
+ event_len = res - sizeof(int);
+ wpa_printf(MSG_DEBUG, "privsep: Event %d received (len=%lu)",
+ event, (unsigned long) event_len);
+
+ e = event;
+ switch (e) {
+ case PRIVSEP_EVENT_SCAN_RESULTS:
+ wpa_supplicant_event(drv->ctx, EVENT_SCAN_RESULTS, NULL);
+ break;
+ case PRIVSEP_EVENT_ASSOC:
+ wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOC,
+ event_buf, event_len);
+ break;
+ case PRIVSEP_EVENT_DISASSOC:
+ wpa_supplicant_event(drv->ctx, EVENT_DISASSOC, NULL);
+ break;
+ case PRIVSEP_EVENT_ASSOCINFO:
+ wpa_driver_privsep_event_assoc(drv->ctx, EVENT_ASSOCINFO,
+ event_buf, event_len);
+ break;
+ case PRIVSEP_EVENT_MICHAEL_MIC_FAILURE:
+ wpa_driver_privsep_event_michael_mic_failure(
+ drv->ctx, event_buf, event_len);
+ break;
+ case PRIVSEP_EVENT_INTERFACE_STATUS:
+ wpa_driver_privsep_event_interface_status(drv->ctx, event_buf,
+ event_len);
+ break;
+ case PRIVSEP_EVENT_PMKID_CANDIDATE:
+ wpa_driver_privsep_event_pmkid_candidate(drv->ctx, event_buf,
+ event_len);
+ break;
+ case PRIVSEP_EVENT_STKSTART:
+ wpa_driver_privsep_event_stkstart(drv->ctx, event_buf,
+ event_len);
+ break;
+ case PRIVSEP_EVENT_FT_RESPONSE:
+ wpa_driver_privsep_event_ft_response(drv->ctx, event_buf,
+ event_len);
+ break;
+ case PRIVSEP_EVENT_RX_EAPOL:
+ wpa_driver_privsep_event_rx_eapol(drv->ctx, event_buf,
+ event_len);
+ break;
+ }
+
+ os_free(buf);
+}
+
+
+static void * wpa_driver_privsep_init(void *ctx, const char *ifname)
+{
+ struct wpa_driver_privsep_data *drv;
+
+ drv = os_zalloc(sizeof(*drv));
+ if (drv == NULL)
+ return NULL;
+ drv->ctx = ctx;
+ drv->priv_socket = -1;
+ drv->cmd_socket = -1;
+ os_strlcpy(drv->ifname, ifname, sizeof(drv->ifname));
+
+ return drv;
+}
+
+
+static void wpa_driver_privsep_deinit(void *priv)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+
+ if (drv->priv_socket >= 0) {
+ wpa_priv_reg_cmd(drv, PRIVSEP_CMD_UNREGISTER);
+ eloop_unregister_read_sock(drv->priv_socket);
+ close(drv->priv_socket);
+ }
+
+ if (drv->own_socket_path) {
+ unlink(drv->own_socket_path);
+ os_free(drv->own_socket_path);
+ }
+
+ if (drv->cmd_socket >= 0) {
+ eloop_unregister_read_sock(drv->cmd_socket);
+ close(drv->cmd_socket);
+ }
+
+ if (drv->own_cmd_path) {
+ unlink(drv->own_cmd_path);
+ os_free(drv->own_cmd_path);
+ }
+
+ os_free(drv);
+}
+
+
+static int wpa_driver_privsep_set_param(void *priv, const char *param)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ const char *pos;
+ char *own_dir, *priv_dir;
+ static unsigned int counter = 0;
+ size_t len;
+ struct sockaddr_un addr;
+
+ wpa_printf(MSG_DEBUG, "%s: param='%s'", __func__, param);
+ if (param == NULL)
+ pos = NULL;
+ else
+ pos = os_strstr(param, "own_dir=");
+ if (pos) {
+ char *end;
+ own_dir = os_strdup(pos + 8);
+ if (own_dir == NULL)
+ return -1;
+ end = os_strchr(own_dir, ' ');
+ if (end)
+ *end = '\0';
+ } else {
+ own_dir = os_strdup("/tmp");
+ if (own_dir == NULL)
+ return -1;
+ }
+
+ if (param == NULL)
+ pos = NULL;
+ else
+ pos = os_strstr(param, "priv_dir=");
+ if (pos) {
+ char *end;
+ priv_dir = os_strdup(pos + 9);
+ if (priv_dir == NULL) {
+ os_free(own_dir);
+ return -1;
+ }
+ end = os_strchr(priv_dir, ' ');
+ if (end)
+ *end = '\0';
+ } else {
+ priv_dir = os_strdup("/var/run/wpa_priv");
+ if (priv_dir == NULL) {
+ os_free(own_dir);
+ return -1;
+ }
+ }
+
+ len = os_strlen(own_dir) + 50;
+ drv->own_socket_path = os_malloc(len);
+ if (drv->own_socket_path == NULL) {
+ os_free(priv_dir);
+ os_free(own_dir);
+ return -1;
+ }
+ os_snprintf(drv->own_socket_path, len, "%s/wpa_privsep-%d-%d",
+ own_dir, getpid(), counter++);
+
+ len = os_strlen(own_dir) + 50;
+ drv->own_cmd_path = os_malloc(len);
+ if (drv->own_cmd_path == NULL) {
+ os_free(drv->own_socket_path);
+ drv->own_socket_path = NULL;
+ os_free(priv_dir);
+ os_free(own_dir);
+ return -1;
+ }
+ os_snprintf(drv->own_cmd_path, len, "%s/wpa_privsep-%d-%d",
+ own_dir, getpid(), counter++);
+
+ os_free(own_dir);
+
+ drv->priv_addr.sun_family = AF_UNIX;
+ os_snprintf(drv->priv_addr.sun_path, sizeof(drv->priv_addr.sun_path),
+ "%s/%s", priv_dir, drv->ifname);
+ os_free(priv_dir);
+
+ drv->priv_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
+ if (drv->priv_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_strlcpy(addr.sun_path, drv->own_socket_path, sizeof(addr.sun_path));
+ if (bind(drv->priv_socket, (struct sockaddr *) &addr, sizeof(addr)) <
+ 0) {
+ perror("bind(PF_UNIX)");
+ close(drv->priv_socket);
+ drv->priv_socket = -1;
+ unlink(drv->own_socket_path);
+ os_free(drv->own_socket_path);
+ drv->own_socket_path = NULL;
+ return -1;
+ }
+
+ eloop_register_read_sock(drv->priv_socket, wpa_driver_privsep_receive,
+ drv, NULL);
+
+ drv->cmd_socket = socket(PF_UNIX, SOCK_DGRAM, 0);
+ if (drv->cmd_socket < 0) {
+ perror("socket(PF_UNIX)");
+ os_free(drv->own_cmd_path);
+ drv->own_cmd_path = NULL;
+ return -1;
+ }
+
+ os_memset(&addr, 0, sizeof(addr));
+ addr.sun_family = AF_UNIX;
+ os_strlcpy(addr.sun_path, drv->own_cmd_path, sizeof(addr.sun_path));
+ if (bind(drv->cmd_socket, (struct sockaddr *) &addr, sizeof(addr)) < 0)
+ {
+ perror("bind(PF_UNIX)");
+ close(drv->cmd_socket);
+ drv->cmd_socket = -1;
+ unlink(drv->own_cmd_path);
+ os_free(drv->own_cmd_path);
+ drv->own_cmd_path = NULL;
+ return -1;
+ }
+
+ if (wpa_priv_reg_cmd(drv, PRIVSEP_CMD_REGISTER) < 0) {
+ wpa_printf(MSG_ERROR, "Failed to register with wpa_priv");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+static int wpa_driver_privsep_get_capa(void *priv,
+ struct wpa_driver_capa *capa)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ int res;
+ size_t len = sizeof(*capa);
+
+ res = wpa_priv_cmd(drv, PRIVSEP_CMD_GET_CAPA, NULL, 0, capa, &len);
+ if (res < 0 || len != sizeof(*capa))
+ return -1;
+ return 0;
+}
+
+
+static const u8 * wpa_driver_privsep_get_mac_addr(void *priv)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s", __func__);
+ return drv->own_addr;
+}
+
+
+static int wpa_driver_privsep_set_country(void *priv, const char *alpha2)
+{
+ struct wpa_driver_privsep_data *drv = priv;
+ wpa_printf(MSG_DEBUG, "%s country='%s'", __func__, alpha2);
+ return wpa_priv_cmd(drv, PRIVSEP_CMD_SET_COUNTRY, alpha2,
+ os_strlen(alpha2), NULL, NULL);
+}
+
+
+struct wpa_driver_ops wpa_driver_privsep_ops = {
+ "privsep",
+ "wpa_supplicant privilege separated driver",
+ .get_bssid = wpa_driver_privsep_get_bssid,
+ .get_ssid = wpa_driver_privsep_get_ssid,
+ .set_key = wpa_driver_privsep_set_key,
+ .init = wpa_driver_privsep_init,
+ .deinit = wpa_driver_privsep_deinit,
+ .set_param = wpa_driver_privsep_set_param,
+ .scan2 = wpa_driver_privsep_scan,
+ .deauthenticate = wpa_driver_privsep_deauthenticate,
+ .disassociate = wpa_driver_privsep_disassociate,
+ .associate = wpa_driver_privsep_associate,
+ .get_capa = wpa_driver_privsep_get_capa,
+ .get_mac_addr = wpa_driver_privsep_get_mac_addr,
+ .get_scan_results2 = wpa_driver_privsep_get_scan_results2,
+ .set_country = wpa_driver_privsep_set_country,
+};
+
+
+struct wpa_driver_ops *wpa_drivers[] =
+{
+ &wpa_driver_privsep_ops,
+ NULL
+};