/**
* config_reload2 - Part 2 of configuration reloading
* @hapd_iface:
*/
static void config_reload2(struct hostapd_iface *hapd_iface, int status)
{
struct hostapd_config_change *change = hapd_iface->change;
struct hostapd_data *hapd = change->hapd;
struct hostapd_config *newconf = change->newconf;
struct hostapd_config *oldconf = change->oldconf;
int beacon_changed = change->beacon_changed;
struct hostapd_data **new_hapd = change->new_hapd;
struct hostapd_data **old_hapd = change->old_hapd;
int num_old_hapd = change->num_old_hapd;
size_t i, j, max_bss, same_bssid;
struct hostapd_bss_config *newbss, *oldbss;
u8 *prev_addr;
hostapd_iface_cb cb;
free(change);
hapd_iface->change = NULL;
if (status) {
printf("Failed to setup new interface config\n");
cb = hapd_iface->config_reload_cb;
hapd_iface->config_reload_cb = 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);
cb(hapd_iface, -2);
return;
}
/*
* If any BSSes have been removed, added, or had their BSSIDs changed,
* completely remove and reinitialize such BSSes and all the BSSes
* following them since their BSSID might have changed.
*/
max_bss = oldconf->num_bss;
if (max_bss > newconf->num_bss)
max_bss = newconf->num_bss;
for (i = 0; i < max_bss; i++) {
if (strcmp(oldconf->bss[i].iface, newconf->bss[i].iface) != 0
|| hostapd_mac_comp(oldconf->bss[i].bssid,
newconf->bss[i].bssid) != 0)
break;
}
same_bssid = i;
for (i = 0; i < oldconf->num_bss; i++) {
oldbss = &oldconf->bss[i];
newbss = NULL;
for (j = 0; j < newconf->num_bss; j++) {
if (strcmp(oldbss->iface, newconf->bss[j].iface) == 0)
{
newbss = &newconf->bss[j];
break;
}
}
if (newbss && i < same_bssid) {
hapd = hapd_iface->bss[j] = old_hapd[i];
hapd->iconf = newconf;
hapd->conf = newbss;
hostapd_reconfig_bss(hapd, newbss, oldbss, oldconf,
beacon_changed);
} else {
hapd = old_hapd[i];
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL,
"Removing BSS (ifname %s)\n",
hapd->conf->iface);
hostapd_free_stas(hapd);
/* Send broadcast deauthentication for this BSS, but do
* not clear all STAs from the driver since other BSSes
* may have STA entries. The driver will remove all STA
* entries for this BSS anyway when the interface is
* being removed. */
#if 0
hostapd_deauth_all_stas(hapd);
hostapd_cleanup(hapd);
#endif
free(hapd);
}
}
prev_addr = hapd_iface->bss[0]->own_addr;
hapd = hapd_iface->bss[0];
for (j = 0; j < newconf->num_bss; j++) {
if (hapd_iface->bss[j] != NULL) {
prev_addr = hapd_iface->bss[j]->own_addr;
continue;
}
newbss = &newconf->bss[j];
HOSTAPD_DEBUG(HOSTAPD_DEBUG_MINIMAL, "Reconfiguration: adding "
"new BSS (ifname=%s)\n", newbss->iface);
#if 0
hapd = hapd_iface->bss[j] =
hostapd_alloc_bss_data(hapd_iface, newconf, newbss);
#endif
if (hapd == NULL) {
printf("Failed to initialize new BSS\n");
/* FIX: This one is somewhat hard to recover
* from.. Would need to remove this BSS from
* conf and BSS list. */
exit(1);
}
hapd->driver = hapd_iface->bss[0]->driver;
hapd->iface = hapd_iface;
hapd->iconf = newconf;
hapd->conf = newbss;
memcpy(hapd->own_addr, prev_addr, ETH_ALEN);
if (hostapd_mac_comp_empty(hapd->conf->bssid) == 0)
prev_addr = hapd->own_addr;
#if 0
if (hostapd_setup_bss(hapd, j == 0)) {
printf("Failed to setup new BSS\n");
/* FIX */
exit(1);
}
#endif
}
free(old_hapd);
hostapd_config_free(oldconf);
cb = hapd_iface->config_reload_cb;
hapd_iface->config_reload_cb = NULL;
cb(hapd_iface, 0);
}
int main(int argc, char *argv[])
{
struct hapd_interfaces interfaces;
int ret = 1, i, j;
int c, debug = 0, daemonize = 0;
for (;;) {
c = getopt(argc, argv, "Bdh");
if (c < 0)
break;
switch (c) {
case 'h':
usage();
break;
case 'd':
debug++;
break;
case 'B':
daemonize++;
break;
default:
usage();
break;
}
}
if (optind == argc)
usage();
interfaces.count = argc - optind;
interfaces.hapd = malloc(interfaces.count * sizeof(hostapd *));
if (interfaces.hapd == NULL) {
printf("malloc failed\n");
exit(1);
}
eloop_init(&interfaces);
eloop_register_signal(SIGHUP, handle_reload, NULL);
eloop_register_signal(SIGINT, handle_term, NULL);
eloop_register_signal(SIGTERM, handle_term, NULL);
eloop_register_signal(SIGUSR1, handle_dump_state, NULL);
for (i = 0; i < interfaces.count; i++) {
printf("Configuration file: %s\n", argv[optind + i]);
interfaces.hapd[i] = hostapd_init(argv[optind + i]);
if (!interfaces.hapd[i])
goto out;
for (j = 0; j < debug; j++) {
if (interfaces.hapd[i]->conf->logger_stdout_level > 0)
interfaces.hapd[i]->conf->
logger_stdout_level--;
interfaces.hapd[i]->conf->debug++;
}
hostapd_set_broadcast_wep(interfaces.hapd[i]);
if (hostapd_setup_interface(interfaces.hapd[i]))
goto out;
}
if (daemonize && daemon(0, 0)) {
perror("daemon");
goto out;
}
openlog("hostapd", 0, LOG_DAEMON);
eloop_run();
for (i = 0; i < interfaces.count; i++) {
hostapd_free_stas(interfaces.hapd[i]);
hostapd_flush_old_stations(interfaces.hapd[i]);
}
ret = 0;
out:
for (i = 0; i < interfaces.count; i++) {
if (!interfaces.hapd[i])
continue;
hostapd_cleanup(interfaces.hapd[i]);
free(interfaces.hapd[i]);
}
free(interfaces.hapd);
eloop_destroy();
closelog();
return ret;
}
int main(int argc, char *argv[])
{
struct hapd_interfaces interfaces;
int ret = 1, i, j;
int c, debug = 0, daemonize = 0;
#ifdef JUMPSTART
char *js_passwd = NULL;
#endif
for (;;) {
c = getopt(argc, argv, "BdhKtvj:");
if (c < 0)
break;
switch (c) {
case 'h':
usage();
break;
case 'd':
debug++;
break;
case 'B':
daemonize++;
break;
case 'K':
wpa_debug_show_keys++;
break;
case 't':
wpa_debug_timestamp++;
break;
case 'v':
show_version();
exit(1);
break;
#ifdef JUMPSTART
case 'j':
js_passwd = optarg;
break;
#endif
default:
usage();
break;
}
}
if (optind == argc)
usage();
register_drivers(); /* NB: generated by Makefile */
interfaces.count = argc - optind;
interfaces.hapd = malloc(interfaces.count * sizeof(hostapd *));
if (interfaces.hapd == NULL) {
printf("malloc failed\n");
exit(1);
}
eloop_init(&interfaces);
eloop_register_signal(SIGHUP, handle_reload, NULL);
eloop_register_signal(SIGINT, handle_term, NULL);
eloop_register_signal(SIGTERM, handle_term, NULL);
eloop_register_signal(SIGUSR1, handle_dump_state, NULL);
for (i = 0; i < interfaces.count; i++) {
printf("Configuration file: %s\n", argv[optind + i]);
#ifdef JUMPSTART
interfaces.hapd[i] = hostapd_init(argv[optind + i], js_passwd);
#else
interfaces.hapd[i] = hostapd_init(argv[optind + i]);
#endif
if (!interfaces.hapd[i])
goto out;
for (j = 0; j < debug; j++) {
if (interfaces.hapd[i]->conf->logger_stdout_level > 0)
interfaces.hapd[i]->conf->
logger_stdout_level--;
interfaces.hapd[i]->conf->debug++;
}
if (hostapd_setup_interface(interfaces.hapd[i]))
goto out;
wpa_debug_level -= interfaces.hapd[0]->conf->debug;
}
if (daemonize && daemon(0, 0)) {
perror("daemon");
goto out;
}
openlog("hostapd", 0, LOG_DAEMON);
eloop_run();
for (i = 0; i < interfaces.count; i++) {
hostapd_free_stas(interfaces.hapd[i]);
hostapd_flush_old_stations(interfaces.hapd[i]);
}
ret = 0;
out:
for (i = 0; i < interfaces.count; i++) {
if (!interfaces.hapd[i])
continue;
hostapd_cleanup(interfaces.hapd[i]);
free(interfaces.hapd[i]);
}
free(interfaces.hapd);
eloop_destroy();
closelog();
driver_unregister_all();
return ret;
}
