static hostapd * hostapd_init(const char *config_file)
{
hostapd *hapd;
hapd = malloc(sizeof(*hapd));
if (hapd == NULL) {
printf("Could not allocate memory for hostapd data\n");
exit(1);
}
memset(hapd, 0, sizeof(*hapd));
hapd->config_fname = strdup(config_file);
if (hapd->config_fname == NULL) {
printf("Could not allocate memory for config_fname\n");
exit(1);
}
hapd->conf = hostapd_config_read(hapd->config_fname);
if (hapd->conf == NULL) {
free(hapd->config_fname);
exit(1);
}
if (hapd->conf->individual_wep_key_len > 0) {
/* use key0 in individual key and key1 in broadcast key */
hapd->default_wep_key_idx = 1;
}
if (hapd->conf->assoc_ap)
hapd->assoc_ap_state = WAIT_BEACON;
return hapd;
}
static void handle_reload(int sig, void *eloop_ctx, void *signal_ctx)
{
struct hapd_interfaces *hapds = (struct hapd_interfaces *) eloop_ctx;
struct hostapd_config *newconf;
int i;
printf("Signal %d received - reloading configuration\n", sig);
for (i = 0; i < hapds->count; i++) {
hostapd *hapd = hapds->hapd[i];
newconf = hostapd_config_read(hapd->config_fname);
if (newconf == NULL) {
printf("Failed to read new configuration file - "
"continuing with old.\n");
continue;
}
/* TODO: update dynamic data based on changed configuration
* items (e.g., open/close sockets, remove stations added to
* deny list, etc.) */
radius_client_flush(hapd->radius);
hostapd_config_free(hapd->conf);
hapd->conf = newconf;
#ifdef JUMPSTART
hostapd_setup_interface(hapd);
#endif /* JUMSTART */
}
}
/**
* hostapd_init - Allocate and initialize per-interface data
* @config_file: Path to the configuration file
* Returns: Pointer to the allocated interface data or %NULL on failure
*
* This function is used to allocate main data structures for per-interface
* data. The allocated data buffer will be freed by calling
* hostapd_cleanup_iface().
*/
static struct hostapd_iface * hostapd_init(const char *config_file)
{
struct hostapd_iface *hapd_iface = NULL;
struct hostapd_config *conf = NULL;
struct hostapd_data *hapd;
size_t i;
hapd_iface = os_zalloc(sizeof(*hapd_iface));
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)
goto fail;
hapd_iface->conf = conf;
hapd_iface->num_bss = conf->num_bss;
hapd_iface->bss = os_zalloc(conf->num_bss *
sizeof(struct hostapd_data *));
if (hapd_iface->bss == NULL)
goto fail;
for (i = 0; i < conf->num_bss; i++) {
hapd = hapd_iface->bss[i] =
hostapd_alloc_bss_data(hapd_iface, conf,
&conf->bss[i]);
if (hapd == NULL)
goto fail;
hapd->msg_ctx = hapd;
}
return hapd_iface;
fail:
if (conf)
hostapd_config_free(conf);
if (hapd_iface) {
os_free(hapd_iface->config_fname);
os_free(hapd_iface->bss);
os_free(hapd_iface);
}
return NULL;
}
/**
* hostapd_init - Allocate and initialize per-interface data
* @config_file: Path to the configuration file
* Returns: Pointer to the allocated interface data or %NULL on failure
*
* This function is used to allocate main data structures for per-interface
* data. The allocated data buffer will be freed by calling
* hostapd_cleanup_iface().
*/
static struct hostapd_iface * hostapd_init(const char *config_file)
{
struct hostapd_iface *hapd_iface = NULL;
struct hostapd_config *conf = NULL;
struct hostapd_data *hapd;
size_t i;
hapd_iface = os_zalloc(sizeof(*hapd_iface));
if (hapd_iface == NULL)
goto fail;
hapd_iface->config_fname = os_strdup(config_file);
if (hapd_iface->config_fname == NULL)
goto fail;
conf = hostapd_config_read(hapd_iface->config_fname);
if (conf == NULL)
goto fail;
hapd_iface->conf = conf;
hapd_iface->num_bss = conf->num_bss;
hapd_iface->bss = os_calloc(conf->num_bss,
sizeof(struct hostapd_data *));
if (hapd_iface->bss == NULL)
goto fail;
for (i = 0; i < conf->num_bss; i++) {
hapd = hapd_iface->bss[i] =
hostapd_alloc_bss_data(hapd_iface, conf,
&conf->bss[i]);
if (hapd == NULL)
goto fail;
hapd->msg_ctx = hapd;
hapd->setup_complete_cb = hostapd_setup_complete_cb;
}
return hapd_iface;
fail:
wpa_printf(MSG_ERROR, "Failed to set up interface with %s",
config_file);
if (conf)
hostapd_config_free(conf);
if (hapd_iface) {
os_free(hapd_iface->config_fname);
os_free(hapd_iface->bss);
os_free(hapd_iface);
}
return NULL;
}
/**
* hostapd_config_reload_start - Start reconfiguration of an interface
* @hapd_iface: Pointer to hostapd interface data
* @cb: Function to be called back when done.
* The status indicates:
* 0 = success, new configuration in use;
* -1 = failed to update configuraiton, old configuration in use;
* -2 = failed to update configuration and failed to recover; caller
* should cleanup and terminate hostapd
* Returns:
* 0 = reconfiguration started;
* -1 = failed to update configuration, old configuration in use;
* -2 = failed to update configuration and failed to recover; caller
* should cleanup and terminate hostapd
*/
int hostapd_config_reload_start(struct hostapd_iface *hapd_iface,
hostapd_iface_cb cb)
{
struct hostapd_config *newconf, *oldconf;
struct hostapd_config_change *change;
struct hostapd_data *hapd = NULL;
struct hostapd_data **old_hapd, **new_hapd;
int num_old_hapd;
if (hapd_iface->config_reload_cb) {
wpa_printf(MSG_DEBUG, "%s: Config reload already in progress.",
hapd_iface->bss[0]->conf->iface);
return -1;
}
newconf = hostapd_config_read(hapd_iface->config_fname);
if (newconf == NULL) {
printf("Failed to read new configuration file - continuing "
"with old.\n");
return -1;
}
if (strcmp(newconf->bss[0].iface, hapd_iface->conf->bss[0].iface) !=
0) {
printf("Interface name changing is not allowed in "
"configuration reloading (%s -> %s).\n",
hapd_iface->conf->bss[0].iface, newconf->bss[0].iface);
hostapd_config_free(newconf);
return -1;
}
new_hapd = wpa_zalloc(newconf->num_bss *
sizeof(struct hostapd_data *));
if (new_hapd == NULL) {
hostapd_config_free(newconf);
return -1;
}
old_hapd = hapd_iface->bss;
num_old_hapd = hapd_iface->num_bss;
hapd_iface->bss = new_hapd;
hapd_iface->num_bss = newconf->num_bss;
/*
* First BSS remains the same since interface name changing was
* prohibited above. Now, this is only used in
* hostapd_config_reload_iface() and following loop will anyway set
* this again.
*/
hapd = hapd_iface->bss[0] = old_hapd[0];
oldconf = hapd_iface->conf;
hapd->iconf = hapd_iface->conf = newconf;
hapd->conf = &newconf->bss[0];
change = wpa_zalloc(sizeof(struct hostapd_config_change));
if (change == NULL) {
hostapd_config_free(newconf);
return -1;
}
change->hapd = hapd;
change->newconf = newconf;
change->oldconf = oldconf;
change->beacon_changed = 0;
change->hapd_iface = hapd_iface;
change->new_hapd = new_hapd;
change->old_hapd = old_hapd;
change->num_old_hapd = num_old_hapd;
hapd_iface->config_reload_cb = cb;
hapd_iface->change = change;
if (hostapd_config_reload_iface_start(hapd_iface, config_reload2)) {
printf("Failed to start setup of new interface config\n");
hapd_iface->config_reload_cb = NULL;
free(change);
hapd_iface->change = NULL;
/* Invalid configuration - cleanup and terminate hostapd */
hapd_iface->bss = old_hapd;
hapd_iface->num_bss = num_old_hapd;
hapd_iface->conf = hapd->iconf = oldconf;
hapd->conf = &oldconf->bss[0];
hostapd_config_free(newconf);
free(new_hapd);
return -2;
}
return 0;
}
static hostapd * hostapd_init(const char *config_file)
{
hostapd *hapd;
hapd = malloc(sizeof(*hapd));
if (hapd == NULL) {
printf("Could not allocate memory for hostapd data\n");
goto fail;
}
memset(hapd, 0, sizeof(*hapd));
hapd->config_fname = strdup(config_file);
if (hapd->config_fname == NULL) {
printf("Could not allocate memory for config_fname\n");
goto fail;
}
hapd->conf = hostapd_config_read(hapd->config_fname);
if (hapd->conf == NULL) {
goto fail;
}
if (hapd->conf->individual_wep_key_len > 0) {
/* use key0 in individual key and key1 in broadcast key */
hapd->default_wep_key_idx = 1;
}
#ifdef EAP_TLS_FUNCS
if (hapd->conf->eap_server &&
(hapd->conf->ca_cert || hapd->conf->server_cert)) {
hapd->ssl_ctx = tls_init(NULL);
if (hapd->ssl_ctx == NULL) {
printf("Failed to initialize TLS\n");
goto fail;
}
if (tls_global_ca_cert(hapd->ssl_ctx, hapd->conf->ca_cert)) {
printf("Failed to load CA certificate (%s)\n",
hapd->conf->ca_cert);
goto fail;
}
if (tls_global_client_cert(hapd->ssl_ctx,
hapd->conf->server_cert)) {
printf("Failed to load server certificate (%s)\n",
hapd->conf->server_cert);
goto fail;
}
if (tls_global_private_key(hapd->ssl_ctx,
hapd->conf->private_key,
hapd->conf->private_key_passwd)) {
printf("Failed to load private key (%s)\n",
hapd->conf->private_key);
goto fail;
}
if (tls_global_set_verify(hapd->ssl_ctx,
hapd->conf->check_crl)) {
printf("Failed to enable check_crl\n");
goto fail;
}
}
#endif /* EAP_TLS_FUNCS */
if (hapd->conf->eap_sim_db) {
hapd->eap_sim_db_priv =
eap_sim_db_init(hapd->conf->eap_sim_db);
if (hapd->eap_sim_db_priv == NULL) {
printf("Failed to initialize EAP-SIM database "
"interface\n");
goto fail;
}
}
if (hapd->conf->assoc_ap)
hapd->assoc_ap_state = WAIT_BEACON;
/* FIX: need to fix this const vs. not */
hapd->driver = (struct driver_ops *) hapd->conf->driver;
return hapd;
fail:
if (hapd) {
if (hapd->ssl_ctx)
tls_deinit(hapd->ssl_ctx);
if (hapd->conf)
hostapd_config_free(hapd->conf);
free(hapd->config_fname);
free(hapd);
}
return NULL;
}
