static struct hostapd_iface *
hostapd_interface_init(struct hapd_interfaces *interfaces,
const char *config_fname, int debug)
{
struct hostapd_iface *iface;
int k;
wpa_printf(MSG_ERROR, "Configuration file: %s", config_fname);
iface = hostapd_init(config_fname);
if (!iface)
return NULL;
iface->interfaces = interfaces;
for (k = 0; k < debug; k++) {
if (iface->bss[0]->conf->logger_stdout_level > 0)
iface->bss[0]->conf->logger_stdout_level--;
}
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;
}
static int hostapd_setup_interface(hostapd *hapd)
{
if (hostapd_driver_init(hapd)) {
printf("Host AP driver initialization failed.\n");
return -1;
}
printf("Using interface %sap with hwaddr " MACSTR " and ssid '%s'\n",
hapd->conf->iface, MAC2STR(hapd->own_addr), hapd->conf->ssid);
/* Set SSID for the kernel driver (to be used in beacon and probe
* response frames) */
if (hostap_ioctl_setiwessid(hapd->driver.data, hapd->conf->ssid,
hapd->conf->ssid_len)) {
printf("Could not set SSID for kernel driver\n");
return -1;
}
if (radius_client_init(hapd)) {
printf("RADIUS client initialization failed.\n");
return -1;
}
if (hostapd_acl_init(hapd)) {
printf("ACL initialization failed.\n");
return -1;
}
if (ieee802_1x_init(hapd)) {
printf("IEEE 802.1X initialization failed.\n");
return -1;
}
if (hapd->conf->wpa && wpa_init(hapd)) {
printf("WPA initialization failed.\n");
return -1;
}
if (accounting_init(hapd)) {
printf("Accounting initialization failed.\n");
return -1;
}
if (hapd->conf->ieee802_11f && iapp_init(hapd)) {
printf("IEEE 802.11f (IAPP) initialization failed.\n");
return -1;
}
if (hostapd_wireless_event_init(hapd->driver.data) < 0)
return -1;
if (hapd->default_wep_key && hostapd_setup_encryption(hapd))
return -1;
if (hostapd_flush_old_stations(hapd))
return -1;
return 0;
}
int main(int argc, char *argv[])
{
struct hapd_interfaces interfaces;
int ret = 1;
size_t i, j;
int c, debug = 0;
const char *log_file = NULL;
const char *entropy_file = NULL;
char **bss_config = NULL, **tmp_bss;
size_t num_bss_configs = 0;
#ifdef CONFIG_DEBUG_LINUX_TRACING
int enable_trace_dbg = 0;
#endif /* CONFIG_DEBUG_LINUX_TRACING */
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;
wpa_supplicant_event = hostapd_wpa_event;
for (;;) {
c = getopt(argc, argv, "b:Bde:f:hKP:Ttu:g:G:v::");
if (c < 0)
break;
switch (c) {
case 'h':
usage();
break;
case 'd':
debug++;
if (wpa_debug_level > 0)
wpa_debug_level--;
break;
case 'B':
daemonize++;
break;
case 'e':
entropy_file = optarg;
break;
case 'f':
log_file = optarg;
break;
case 'K':
wpa_debug_show_keys++;
break;
case 'P':
os_free(pid_file);
pid_file = os_rel2abs_path(optarg);
break;
case 't':
wpa_debug_timestamp++;
break;
#ifdef CONFIG_DEBUG_LINUX_TRACING
case 'T':
enable_trace_dbg = 1;
break;
#endif /* CONFIG_DEBUG_LINUX_TRACING */
case 'v':
if (optarg)
exit(!has_feature(optarg));
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;
case 'b':
tmp_bss = os_realloc_array(bss_config,
num_bss_configs + 1,
sizeof(char *));
if (tmp_bss == NULL)
goto out;
bss_config = tmp_bss;
bss_config[num_bss_configs++] = optarg;
break;
#ifdef CONFIG_WPS
case 'u':
return gen_uuid(optarg);
#endif /* CONFIG_WPS */
default:
usage();
break;
}
}
if (optind == argc && interfaces.global_iface_path == NULL &&
num_bss_configs == 0)
usage();
wpa_msg_register_ifname_cb(hostapd_msg_ifname_cb);
if (log_file)
wpa_debug_open_file(log_file);
#ifdef CONFIG_DEBUG_LINUX_TRACING
if (enable_trace_dbg) {
int tret = wpa_debug_open_linux_tracing();
if (tret) {
wpa_printf(MSG_ERROR, "Failed to enable trace logging");
return -1;
}
}
#endif /* CONFIG_DEBUG_LINUX_TRACING */
interfaces.count = argc - optind;
if (interfaces.count || num_bss_configs) {
interfaces.iface = os_calloc(interfaces.count + num_bss_configs,
sizeof(struct hostapd_iface *));
if (interfaces.iface == NULL) {
wpa_printf(MSG_ERROR, "malloc failed");
return -1;
}
}
if (hostapd_global_init(&interfaces, entropy_file)) {
wpa_printf(MSG_ERROR, "Failed to initilize global context");
return -1;
}
/* Allocate and parse configuration for full interface files */
for (i = 0; i < interfaces.count; i++) {
interfaces.iface[i] = hostapd_interface_init(&interfaces,
argv[optind + i],
debug);
if (!interfaces.iface[i]) {
wpa_printf(MSG_ERROR, "Failed to initialize interface");
goto out;
}
}
/* Allocate and parse configuration for per-BSS files */
for (i = 0; i < num_bss_configs; i++) {
struct hostapd_iface *iface;
char *fname;
wpa_printf(MSG_INFO, "BSS config: %s", bss_config[i]);
fname = os_strchr(bss_config[i], ':');
if (fname == NULL) {
wpa_printf(MSG_ERROR,
"Invalid BSS config identifier '%s'",
bss_config[i]);
goto out;
}
*fname++ = '\0';
iface = hostapd_interface_init_bss(&interfaces, bss_config[i],
fname, debug);
if (iface == NULL)
goto out;
for (j = 0; j < interfaces.count; j++) {
if (interfaces.iface[j] == iface)
break;
}
if (j == interfaces.count) {
struct hostapd_iface **tmp;
tmp = os_realloc_array(interfaces.iface,
interfaces.count + 1,
sizeof(struct hostapd_iface *));
if (tmp == NULL) {
hostapd_interface_deinit_free(iface);
goto out;
}
interfaces.iface = tmp;
interfaces.iface[interfaces.count++] = iface;
}
}
/*
* Enable configured interfaces. Depending on channel configuration,
* this may complete full initialization before returning or use a
* callback mechanism to complete setup in case of operations like HT
* co-ex scans, ACS, or DFS are needed to determine channel parameters.
* In such case, the interface will be enabled from eloop context within
* hostapd_global_run().
*/
interfaces.terminate_on_error = interfaces.count;
for (i = 0; i < interfaces.count; i++) {
if (hostapd_driver_init(interfaces.iface[i]) ||
hostapd_setup_interface(interfaces.iface[i]))
goto out;
}
hostapd_global_ctrl_iface_init(&interfaces);
if (hostapd_global_run(&interfaces, daemonize, pid_file)) {
wpa_printf(MSG_ERROR, "Failed to start eloop");
goto out;
}
ret = 0;
out:
hostapd_global_ctrl_iface_deinit(&interfaces);
/* Deinitialize all interfaces */
for (i = 0; i < interfaces.count; i++) {
if (!interfaces.iface[i])
continue;
interfaces.iface[i]->driver_ap_teardown =
!!(interfaces.iface[i]->drv_flags &
WPA_DRIVER_FLAGS_AP_TEARDOWN_SUPPORT);
hostapd_interface_deinit_free(interfaces.iface[i]);
}
os_free(interfaces.iface);
hostapd_global_deinit(pid_file);
os_free(pid_file);
if (log_file)
wpa_debug_close_file();
wpa_debug_close_linux_tracing();
os_free(bss_config);
os_program_deinit();
return ret;
}
static int hostapd_setup_interface(struct hostapd_data *hapd)
{
struct hostapd_config *conf = hapd->conf;
u8 ssid[HOSTAPD_SSID_LEN + 1];
int ssid_len, set_ssid;
int ret = 0;
if (hostapd_driver_init(hapd)) {
printf("%s driver initialization failed.\n",
hapd->driver ? hapd->driver->name : "Unknown");
hapd->driver = NULL;
return -1;
}
/*
* Fetch the SSID from the system and use it or,
* if one was specified in the config file, verify they
* match.
*/
ssid_len = hostapd_get_ssid(hapd, ssid, sizeof(ssid));
if (ssid_len < 0) {
printf("Could not read SSID from system\n");
return -1;
}
if (conf->ssid_set) {
/*
* If SSID is specified in the config file and it differs
* from what is being used then force installation of the
* new SSID.
*/
set_ssid = (conf->ssid_len != ssid_len ||
memcmp(conf->ssid, ssid, ssid_len) != 0);
} else {
/*
* No SSID in the config file; just use the one we got
* from the system.
*/
set_ssid = 0;
conf->ssid_len = ssid_len;
memcpy(conf->ssid, ssid, conf->ssid_len);
conf->ssid[conf->ssid_len] = '\0';
}
printf("Using interface %s with hwaddr " MACSTR " and ssid '%s'\n",
hapd->conf->iface, MAC2STR(hapd->own_addr), hapd->conf->ssid);
if (hostapd_setup_wpa_psk(conf)) {
printf("WPA-PSK setup failed.\n");
return -1;
}
/* Set SSID for the kernel driver (to be used in beacon and probe
* response frames) */
if (set_ssid && hostapd_set_ssid(hapd, (u8 *) conf->ssid,
conf->ssid_len)) {
printf("Could not set SSID for kernel driver\n");
return -1;
}
if (HOSTAPD_DEBUG_COND(HOSTAPD_DEBUG_MSGDUMPS))
conf->radius->msg_dumps = 1;
hapd->radius = radius_client_init(hapd, conf->radius);
if (hapd->radius == NULL) {
printf("RADIUS client initialization failed.\n");
return -1;
}
if (conf->radius_server_clients) {
struct radius_server_conf srv;
memset(&srv, 0, sizeof(srv));
srv.client_file = conf->radius_server_clients;
srv.auth_port = conf->radius_server_auth_port;
srv.hostapd_conf = conf;
srv.eap_sim_db_priv = hapd->eap_sim_db_priv;
srv.ssl_ctx = hapd->ssl_ctx;
srv.ipv6 = conf->radius_server_ipv6;
hapd->radius_srv = radius_server_init(&srv);
if (hapd->radius_srv == NULL) {
printf("RADIUS server initialization failed.\n");
return -1;
}
}
if (hostapd_acl_init(hapd)) {
printf("ACL initialization failed.\n");
return -1;
}
if (ieee802_1x_init(hapd)) {
printf("IEEE 802.1X initialization failed.\n");
return -1;
}
if (hapd->conf->wpa && wpa_init(hapd)) {
printf("WPA initialization failed.\n");
return -1;
}
#ifdef SIMPLE_CONFIG
if (wsc_ie_init(hapd) < 0)
{
printf("WSC IE initialization failed.\n");
return -1;
}
#endif
if (accounting_init(hapd)) {
printf("Accounting initialization failed.\n");
return -1;
}
if (hapd->conf->ieee802_11f &&
(hapd->iapp = iapp_init(hapd, hapd->conf->iapp_iface)) == NULL) {
printf("IEEE 802.11F (IAPP) initialization failed.\n");
return -1;
}
if (hostapd_wireless_event_init(hapd) < 0)
return -1;
if (hostapd_flush_old_stations(hapd))
return -1;
if (hostapd_ctrl_iface_init(hapd)) {
printf("Failed to setup control interface\n");
ret = -1;
}
return ret;
}