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wpa_supplicant: Enable TDLS
[android-x86/external-wpa_supplicant_8.git] / hostapd / main.c
index 01ad826..d2ec1a5 100644 (file)
@@ -2,19 +2,14 @@
  * hostapd / main()
  * Copyright (c) 2002-2011, 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 "utils/includes.h"
 #ifndef CONFIG_NATIVE_WINDOWS
 #include <syslog.h>
+#include <grp.h>
 #endif /* CONFIG_NATIVE_WINDOWS */
 
 #include "utils/common.h"
@@ -27,6 +22,7 @@
 #include "eap_server/tncs.h"
 #include "ap/hostapd.h"
 #include "ap/ap_config.h"
+#include "ap/ap_drv_ops.h"
 #include "config_file.h"
 #include "eap_register.h"
 #include "dump_state.h"
@@ -37,28 +33,15 @@ extern int wpa_debug_level;
 extern int wpa_debug_show_keys;
 extern int wpa_debug_timestamp;
 
+extern struct wpa_driver_ops *wpa_drivers[];
 
-struct hapd_interfaces {
-       size_t count;
-       struct hostapd_iface **iface;
-};
-
-
-static int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
-                                     int (*cb)(struct hostapd_iface *iface,
-                                               void *ctx), void *ctx)
-{
-       size_t i;
-       int ret;
 
-       for (i = 0; i < interfaces->count; i++) {
-               ret = cb(interfaces->iface[i], ctx);
-               if (ret)
-                       return ret;
-       }
+struct hapd_global {
+       void **drv_priv;
+       size_t drv_count;
+};
 
-       return 0;
-}
+static struct hapd_global global;
 
 
 #ifndef CONFIG_NO_HOSTAPD_LOGGER
@@ -184,14 +167,9 @@ static struct hostapd_iface * hostapd_init(const char *config_file)
        if (hapd_iface == NULL)
                goto fail;
 
-       hapd_iface->reload_config = hostapd_reload_config;
-       hapd_iface->config_read_cb = hostapd_config_read;
        hapd_iface->config_fname = os_strdup(config_file);
        if (hapd_iface->config_fname == NULL)
                goto fail;
-       hapd_iface->ctrl_iface_init = hostapd_ctrl_iface_init;
-       hapd_iface->ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
-       hapd_iface->for_each_interface = hostapd_for_each_interface;
 
        conf = hostapd_config_read(hapd_iface->config_fname);
        if (conf == NULL)
@@ -199,7 +177,7 @@ static struct hostapd_iface * hostapd_init(const char *config_file)
        hapd_iface->conf = conf;
 
        hapd_iface->num_bss = conf->num_bss;
-       hapd_iface->bss = os_zalloc(conf->num_bss *
+       hapd_iface->bss = os_calloc(conf->num_bss,
                                    sizeof(struct hostapd_data *));
        if (hapd_iface->bss == NULL)
                goto fail;
@@ -246,15 +224,33 @@ static int hostapd_driver_init(struct hostapd_iface *iface)
                b = NULL;
 
        os_memset(&params, 0, sizeof(params));
+       for (i = 0; wpa_drivers[i]; i++) {
+               if (wpa_drivers[i] != hapd->driver)
+                       continue;
+
+               if (global.drv_priv[i] == NULL &&
+                   wpa_drivers[i]->global_init) {
+                       global.drv_priv[i] = wpa_drivers[i]->global_init();
+                       if (global.drv_priv[i] == NULL) {
+                               wpa_printf(MSG_ERROR, "Failed to initialize "
+                                          "driver '%s'",
+                                          wpa_drivers[i]->name);
+                               return -1;
+                       }
+               }
+
+               params.global_priv = global.drv_priv[i];
+               break;
+       }
        params.bssid = b;
        params.ifname = hapd->conf->iface;
-       params.ssid = (const u8 *) hapd->conf->ssid.ssid;
+       params.ssid = hapd->conf->ssid.ssid;
        params.ssid_len = hapd->conf->ssid.ssid_len;
        params.test_socket = hapd->conf->test_socket;
        params.use_pae_group_addr = hapd->conf->use_pae_group_addr;
 
        params.num_bridge = hapd->iface->num_bss;
-       params.bridge = os_zalloc(hapd->iface->num_bss * sizeof(char *));
+       params.bridge = os_calloc(hapd->iface->num_bss, sizeof(char *));
        if (params.bridge == NULL)
                return -1;
        for (i = 0; i < hapd->iface->num_bss; i++) {
@@ -275,28 +271,18 @@ static int hostapd_driver_init(struct hostapd_iface *iface)
        }
 
        if (hapd->driver->get_capa &&
-           hapd->driver->get_capa(hapd->drv_priv, &capa) == 0)
+           hapd->driver->get_capa(hapd->drv_priv, &capa) == 0) {
                iface->drv_flags = capa.flags;
+               iface->probe_resp_offloads = capa.probe_resp_offloads;
+               iface->extended_capa = capa.extended_capa;
+               iface->extended_capa_mask = capa.extended_capa_mask;
+               iface->extended_capa_len = capa.extended_capa_len;
+       }
 
        return 0;
 }
 
 
-static void hostapd_interface_deinit_free(struct hostapd_iface *iface)
-{
-       const struct wpa_driver_ops *driver;
-       void *drv_priv;
-       if (iface == NULL)
-               return;
-       driver = iface->bss[0]->driver;
-       drv_priv = iface->bss[0]->drv_priv;
-       hostapd_interface_deinit(iface);
-       if (driver && driver->hapd_deinit)
-               driver->hapd_deinit(drv_priv);
-       hostapd_interface_free(iface);
-}
-
-
 static struct hostapd_iface *
 hostapd_interface_init(struct hapd_interfaces *interfaces,
                       const char *config_fname, int debug)
@@ -315,10 +301,13 @@ hostapd_interface_init(struct hapd_interfaces *interfaces,
                        iface->bss[0]->conf->logger_stdout_level--;
        }
 
-       if (hostapd_driver_init(iface) ||
-           hostapd_setup_interface(iface)) {
-               hostapd_interface_deinit_free(iface);
-               return NULL;
+       if (iface->conf->bss[0].iface[0] != 0 ||
+           hostapd_drv_none(iface->bss[0])) {
+               if (hostapd_driver_init(iface) ||
+                       hostapd_setup_interface(iface)) {
+                       hostapd_interface_deinit_free(iface);
+                       return NULL;
+               }
        }
 
        return iface;
@@ -372,6 +361,10 @@ static void handle_dump_state(int sig, void *signal_ctx)
 static int hostapd_global_init(struct hapd_interfaces *interfaces,
                               const char *entropy_file)
 {
+       int i;
+
+       os_memset(&global, 0, sizeof(global));
+
        hostapd_logger_register_cb(hostapd_logger_cb);
 
        if (eap_server_register_methods()) {
@@ -396,12 +389,32 @@ static int hostapd_global_init(struct hapd_interfaces *interfaces,
        openlog("hostapd", 0, LOG_DAEMON);
 #endif /* CONFIG_NATIVE_WINDOWS */
 
+       for (i = 0; wpa_drivers[i]; i++)
+               global.drv_count++;
+       if (global.drv_count == 0) {
+               wpa_printf(MSG_ERROR, "No drivers enabled");
+               return -1;
+       }
+       global.drv_priv = os_calloc(global.drv_count, sizeof(void *));
+       if (global.drv_priv == NULL)
+               return -1;
+
        return 0;
 }
 
 
 static void hostapd_global_deinit(const char *pid_file)
 {
+       int i;
+
+       for (i = 0; wpa_drivers[i] && global.drv_priv; i++) {
+               if (!global.drv_priv[i])
+                       continue;
+               wpa_drivers[i]->global_deinit(global.drv_priv[i]);
+       }
+       os_free(global.drv_priv);
+       global.drv_priv = NULL;
+
 #ifdef EAP_SERVER_TNC
        tncs_global_deinit();
 #endif /* EAP_SERVER_TNC */
@@ -459,7 +472,7 @@ static void show_version(void)
                "hostapd v" VERSION_STR "\n"
                "User space daemon for IEEE 802.11 AP management,\n"
                "IEEE 802.1X/WPA/WPA2/EAP/RADIUS Authenticator\n"
-               "Copyright (c) 2002-2011, Jouni Malinen <j@w1.fi> "
+               "Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi> "
                "and contributors\n");
 }
 
@@ -470,13 +483,17 @@ static void usage(void)
        fprintf(stderr,
                "\n"
                "usage: hostapd [-hdBKtv] [-P <PID file>] [-e <entropy file>] "
-               "<configuration file(s)>\n"
+               "\\\n"
+               "         [-g <global ctrl_iface>] [-G <group>] \\\n"
+               "         <configuration file(s)>\n"
                "\n"
                "options:\n"
                "   -h   show this usage\n"
                "   -d   show more debug messages (-dd for even more)\n"
                "   -B   run daemon in the background\n"
                "   -e   entropy file\n"
+               "   -g   global control interface path\n"
+               "   -G   group for control interfaces\n"
                "   -P   PID file\n"
                "   -K   include key data in debug messages\n"
 #ifdef CONFIG_DEBUG_FILE
@@ -498,6 +515,46 @@ static const char * hostapd_msg_ifname_cb(void *ctx)
 }
 
 
+static int hostapd_get_global_ctrl_iface(struct hapd_interfaces *interfaces,
+                                        const char *path)
+{
+       char *pos;
+       os_free(interfaces->global_iface_path);
+       interfaces->global_iface_path = os_strdup(path);
+       if (interfaces->global_iface_path == NULL)
+               return -1;
+       pos = os_strrchr(interfaces->global_iface_path, '/');
+       if (pos == NULL) {
+               wpa_printf(MSG_ERROR, "No '/' in the global control interface "
+                          "file");
+               os_free(interfaces->global_iface_path);
+               interfaces->global_iface_path = NULL;
+               return -1;
+       }
+
+       *pos = '\0';
+       interfaces->global_iface_name = pos + 1;
+
+       return 0;
+}
+
+
+static int hostapd_get_ctrl_iface_group(struct hapd_interfaces *interfaces,
+                                       const char *group)
+{
+#ifndef CONFIG_NATIVE_WINDOWS
+       struct group *grp;
+       grp = getgrnam(group);
+       if (grp == NULL) {
+               wpa_printf(MSG_ERROR, "Unknown group '%s'", group);
+               return -1;
+       }
+       interfaces->ctrl_iface_group = grp->gr_gid;
+#endif /* CONFIG_NATIVE_WINDOWS */
+       return 0;
+}
+
+
 int main(int argc, char *argv[])
 {
        struct hapd_interfaces interfaces;
@@ -511,8 +568,19 @@ int main(int argc, char *argv[])
        if (os_program_init())
                return -1;
 
+       os_memset(&interfaces, 0, sizeof(interfaces));
+       interfaces.reload_config = hostapd_reload_config;
+       interfaces.config_read_cb = hostapd_config_read;
+       interfaces.for_each_interface = hostapd_for_each_interface;
+       interfaces.ctrl_iface_init = hostapd_ctrl_iface_init;
+       interfaces.ctrl_iface_deinit = hostapd_ctrl_iface_deinit;
+       interfaces.driver_init = hostapd_driver_init;
+       interfaces.global_iface_path = NULL;
+       interfaces.global_iface_name = NULL;
+       interfaces.global_ctrl_sock = -1;
+
        for (;;) {
-               c = getopt(argc, argv, "Bde:f:hKP:tv");
+               c = getopt(argc, argv, "Bde:f:hKP:tvg:G:");
                if (c < 0)
                        break;
                switch (c) {
@@ -547,14 +615,21 @@ int main(int argc, char *argv[])
                        show_version();
                        exit(1);
                        break;
-
+               case 'g':
+                       if (hostapd_get_global_ctrl_iface(&interfaces, optarg))
+                               return -1;
+                       break;
+               case 'G':
+                       if (hostapd_get_ctrl_iface_group(&interfaces, optarg))
+                               return -1;
+                       break;
                default:
                        usage();
                        break;
                }
        }
 
-       if (optind == argc)
+       if (optind == argc && interfaces.global_iface_path == NULL)
                usage();
 
        wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
@@ -563,11 +638,13 @@ int main(int argc, char *argv[])
                wpa_debug_open_file(log_file);
 
        interfaces.count = argc - optind;
-       interfaces.iface = os_zalloc(interfaces.count *
-                                    sizeof(struct hostapd_iface *));
-       if (interfaces.iface == NULL) {
-               wpa_printf(MSG_ERROR, "malloc failed");
-               return -1;
+       if (interfaces.count) {
+               interfaces.iface = os_calloc(interfaces.count,
+                                            sizeof(struct hostapd_iface *));
+               if (interfaces.iface == NULL) {
+                       wpa_printf(MSG_ERROR, "malloc failed");
+                       return -1;
+               }
        }
 
        if (hostapd_global_init(&interfaces, entropy_file))
@@ -582,12 +659,15 @@ int main(int argc, char *argv[])
                        goto out;
        }
 
+       hostapd_global_ctrl_iface_init(&interfaces);
+
        if (hostapd_global_run(&interfaces, daemonize, pid_file))
                goto out;
 
        ret = 0;
 
  out:
+       hostapd_global_ctrl_iface_deinit(&interfaces);
        /* Deinitialize all interfaces */
        for (i = 0; i < interfaces.count; i++)
                hostapd_interface_deinit_free(interfaces.iface[i]);