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 */
}
}
int hostapd_reload_config(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_config *newconf, *oldconf;
size_t j;
if (iface->interfaces == NULL ||
iface->interfaces->config_read_cb == NULL)
return -1;
newconf = iface->interfaces->config_read_cb(iface->config_fname);
if (newconf == NULL)
return -1;
/*
* Deauthenticate all stations since the new configuration may not
* allow them to use the BSS anymore.
*/
for (j = 0; j < iface->num_bss; j++) {
hostapd_flush_old_stations(iface->bss[j],
WLAN_REASON_PREV_AUTH_NOT_VALID);
hostapd_broadcast_wep_clear(iface->bss[j]);
#ifndef CONFIG_NO_RADIUS
/* TODO: update dynamic data based on changed configuration
* items (e.g., open/close sockets, etc.) */
radius_client_flush(iface->bss[j]->radius, 0);
#endif /* CONFIG_NO_RADIUS */
}
oldconf = hapd->iconf;
iface->conf = newconf;
hostapd_select_hw_mode(iface);
iface->freq = hostapd_hw_get_freq(hapd, newconf->channel);
if (hostapd_set_freq(hapd, newconf->hw_mode, iface->freq,
newconf->channel,
newconf->ieee80211n,
newconf->secondary_channel)) {
wpa_printf(MSG_ERROR, "Could not set channel for "
"kernel driver");
}
if (iface->current_mode)
hostapd_prepare_rates(iface, iface->current_mode);
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
hapd->iconf = newconf;
hapd->conf = &newconf->bss[j];
hostapd_reload_bss(hapd);
}
hostapd_config_free(oldconf);
return 0;
}
/**
* hostapd_cleanup_iface - Complete per-interface cleanup
* @iface: Pointer to interface data
*
* This function is called after per-BSS data structures are deinitialized
* with hostapd_cleanup().
*/
static void hostapd_cleanup_iface(struct hostapd_iface *iface)
{
hostapd_cleanup_iface_partial(iface);
hostapd_config_free(iface->conf);
iface->conf = NULL;
os_free(iface->config_fname);
os_free(iface->bss);
os_free(iface);
}
/**
* hostapd_cleanup_iface - Complete per-interface cleanup
* @iface: Pointer to interface data
*
* This function is called after per-BSS data structures are deinitialized
* with hostapd_cleanup().
*/
static void hostapd_cleanup_iface(struct hostapd_iface *iface)
{
eloop_cancel_timeout(channel_list_update_timeout, iface, NULL);
hostapd_cleanup_iface_partial(iface);
hostapd_config_free(iface->conf);
iface->conf = NULL;
os_free(iface->config_fname);
os_free(iface->bss);
os_free(iface);
}
/**
* 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_cleanup_iface - Complete per-interface cleanup
* @iface: Pointer to interface data
*
* This function is called after per-BSS data structures are deinitialized
* with hostapd_cleanup().
*/
static void hostapd_cleanup_iface(struct hostapd_iface *iface)
{
hostapd_free_hw_features(iface->hw_features, iface->num_hw_features);
iface->hw_features = NULL;
os_free(iface->current_rates);
iface->current_rates = NULL;
ap_list_deinit(iface);
hostapd_config_free(iface->conf);
iface->conf = NULL;
os_free(iface->config_fname);
os_free(iface->bss);
os_free(iface);
}
/**
* 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;
}
int hostapd_reload_config(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_config *newconf, *oldconf;
size_t j;
if (iface->config_read_cb == NULL)
return -1;
newconf = iface->config_read_cb(iface->config_fname);
if (newconf == NULL)
return -1;
/*
* Deauthenticate all stations since the new configuration may not
* allow them to use the BSS anymore.
*/
for (j = 0; j < iface->num_bss; j++) {
hostapd_flush_old_stations(iface->bss[j],
WLAN_REASON_PREV_AUTH_NOT_VALID);
hostapd_broadcast_wep_clear(iface->bss[j]);
#ifndef CONFIG_NO_RADIUS
/* TODO: update dynamic data based on changed configuration
* items (e.g., open/close sockets, etc.) */
radius_client_flush(iface->bss[j]->radius, 0);
#endif /* CONFIG_NO_RADIUS */
}
oldconf = hapd->iconf;
iface->conf = newconf;
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
hapd->iconf = newconf;
hapd->conf = &newconf->bss[j];
hostapd_reload_bss(hapd);
}
hostapd_config_free(oldconf);
return 0;
}
static void hostapd_cleanup(hostapd *hapd)
{
free(hapd->default_wep_key);
if (hapd->conf->ieee802_11f)
iapp_deinit(hapd);
accounting_deinit(hapd);
wpa_deinit(hapd);
ieee802_1x_deinit(hapd);
hostapd_acl_deinit(hapd);
radius_client_deinit(hapd);
hostapd_wireless_event_deinit(hapd->driver.data);
hostapd_driver_deinit(hapd);
hostapd_config_free(hapd->conf);
hapd->conf = NULL;
free(hapd->config_fname);
}
static void hostapd_cleanup(struct hostapd_data *hapd)
{
hostapd_ctrl_iface_deinit(hapd);
free(hapd->default_wep_key);
hapd->default_wep_key = NULL;
iapp_deinit(hapd->iapp);
accounting_deinit(hapd);
wpa_deinit(hapd);
#ifdef SIMPLE_CONFIG
wsc_ie_deinit(hapd);
#endif
ieee802_1x_deinit(hapd);
hostapd_acl_deinit(hapd);
radius_client_deinit(hapd->radius);
hapd->radius = NULL;
radius_server_deinit(hapd->radius_srv);
hapd->radius_srv = NULL;
hostapd_wireless_event_deinit(hapd);
if (hapd->driver)
hostapd_driver_deinit(hapd);
hostapd_config_free(hapd->conf);
hapd->conf = NULL;
free(hapd->config_fname);
#ifdef EAP_TLS_FUNCS
if (hapd->ssl_ctx) {
tls_deinit(hapd->ssl_ctx);
hapd->ssl_ctx = NULL;
}
#endif /* EAP_TLS_FUNCS */
if (hapd->eap_sim_db_priv)
eap_sim_db_deinit(hapd->eap_sim_db_priv);
}
int hostapd_reload_config(struct hostapd_iface *iface)
{
struct hostapd_data *hapd = iface->bss[0];
struct hostapd_config *newconf, *oldconf;
size_t j;
if (iface->config_fname == NULL) {
/* Only in-memory config in use - assume it has been updated */
hostapd_clear_old(iface);
for (j = 0; j < iface->num_bss; j++)
hostapd_reload_bss(iface->bss[j]);
return 0;
}
if (iface->interfaces == NULL ||
iface->interfaces->config_read_cb == NULL)
return -1;
newconf = iface->interfaces->config_read_cb(iface->config_fname);
if (newconf == NULL)
return -1;
hostapd_clear_old(iface);
oldconf = hapd->iconf;
iface->conf = newconf;
for (j = 0; j < iface->num_bss; j++) {
hapd = iface->bss[j];
hapd->iconf = newconf;
hapd->conf = &newconf->bss[j];
hostapd_reload_bss(hapd);
}
hostapd_config_free(oldconf);
return 0;
}
struct hostapd_config * hostapd_config_read(const char *fname)
{
struct hostapd_config *conf;
FILE *f;
char buf[256], *pos;
int line = 0;
int errors = 0;
char *accept_mac_file = NULL, *deny_mac_file = NULL;
#ifdef EAP_SERVER
char *eap_user_file = NULL;
#endif /* EAP_SERVER */
f = fopen(fname, "r");
if (f == NULL) {
printf("Could not open configuration file '%s' for reading.\n",
fname);
return NULL;
}
conf = hostapd_config_defaults();
if (conf == NULL) {
fclose(f);
return NULL;
}
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
pos = strchr(buf, '=');
if (pos == NULL) {
printf("Line %d: invalid line '%s'\n", line, buf);
errors++;
continue;
}
*pos = '\0';
pos++;
if (strcmp(buf, "interface") == 0) {
snprintf(conf->iface, sizeof(conf->iface), "%s", pos);
} else if (strcmp(buf, "bridge") == 0) {
snprintf(conf->bridge, sizeof(conf->bridge), "%s",
pos);
} else if (strcmp(buf, "driver") == 0) {
conf->driver = driver_lookup(pos);
if (conf->driver == NULL) {
printf("Line %d: invalid/unknown driver "
"'%s'\n", line, pos);
errors++;
}
} else if (strcmp(buf, "debug") == 0) {
conf->debug = atoi(pos);
} else if (strcmp(buf, "logger_syslog_level") == 0) {
conf->logger_syslog_level = atoi(pos);
} else if (strcmp(buf, "logger_stdout_level") == 0) {
conf->logger_stdout_level = atoi(pos);
} else if (strcmp(buf, "logger_syslog") == 0) {
conf->logger_syslog = atoi(pos);
} else if (strcmp(buf, "logger_stdout") == 0) {
conf->logger_stdout = atoi(pos);
} else if (strcmp(buf, "dump_file") == 0) {
conf->dump_log_name = strdup(pos);
} else if (strcmp(buf, "ssid") == 0) {
conf->ssid_len = strlen(pos);
if (conf->ssid_len > HOSTAPD_SSID_LEN ||
conf->ssid_len < 1) {
printf("Line %d: invalid SSID '%s'\n", line,
pos);
errors++;
}
memcpy(conf->ssid, pos, conf->ssid_len);
conf->ssid[conf->ssid_len] = '\0';
conf->ssid_set = 1;
} else if (strcmp(buf, "macaddr_acl") == 0) {
conf->macaddr_acl = atoi(pos);
if (conf->macaddr_acl != ACCEPT_UNLESS_DENIED &&
conf->macaddr_acl != DENY_UNLESS_ACCEPTED &&
conf->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
printf("Line %d: unknown macaddr_acl %d\n",
line, conf->macaddr_acl);
}
} else if (strcmp(buf, "accept_mac_file") == 0) {
accept_mac_file = strdup(pos);
if (!accept_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "deny_mac_file") == 0) {
deny_mac_file = strdup(pos);
if (!deny_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "assoc_ap_addr") == 0) {
if (hwaddr_aton(pos, conf->assoc_ap_addr)) {
printf("Line %d: invalid MAC address '%s'\n",
line, pos);
errors++;
}
conf->assoc_ap = 1;
} else if (strcmp(buf, "ieee8021x") == 0) {
conf->ieee802_1x = atoi(pos);
#ifdef EAP_SERVER
} else if (strcmp(buf, "eap_authenticator") == 0) {
conf->eap_server = atoi(pos);
printf("Line %d: obsolete eap_authenticator used; "
"this has been renamed to eap_server\n", line);
} else if (strcmp(buf, "eap_server") == 0) {
conf->eap_server = atoi(pos);
} else if (strcmp(buf, "eap_user_file") == 0) {
free(eap_user_file);
eap_user_file = strdup(pos);
if (!eap_user_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "ca_cert") == 0) {
free(conf->ca_cert);
conf->ca_cert = strdup(pos);
} else if (strcmp(buf, "server_cert") == 0) {
free(conf->server_cert);
conf->server_cert = strdup(pos);
} else if (strcmp(buf, "private_key") == 0) {
free(conf->private_key);
conf->private_key = strdup(pos);
} else if (strcmp(buf, "private_key_passwd") == 0) {
free(conf->private_key_passwd);
conf->private_key_passwd = strdup(pos);
} else if (strcmp(buf, "check_crl") == 0) {
conf->check_crl = atoi(pos);
#ifdef EAP_SIM
} else if (strcmp(buf, "eap_sim_db") == 0) {
free(conf->eap_sim_db);
conf->eap_sim_db = strdup(pos);
#endif /* EAP_SIM */
#endif /* EAP_SERVER */
} else if (strcmp(buf, "eap_message") == 0) {
char *term;
conf->eap_req_id_text = strdup(pos);
if (conf->eap_req_id_text == NULL) {
printf("Line %d: Failed to allocate memory "
"for eap_req_id_text\n", line);
errors++;
continue;
}
conf->eap_req_id_text_len =
strlen(conf->eap_req_id_text);
term = strstr(conf->eap_req_id_text, "\\0");
if (term) {
*term++ = '\0';
memmove(term, term + 1,
conf->eap_req_id_text_len -
(term - conf->eap_req_id_text) - 1);
conf->eap_req_id_text_len--;
}
} else if (strcmp(buf, "wep_key_len_broadcast") == 0) {
conf->default_wep_key_len = atoi(pos);
if (conf->default_wep_key_len > 13) {
printf("Line %d: invalid WEP key len %lu "
"(= %lu bits)\n", line,
(unsigned long)
conf->default_wep_key_len,
(unsigned long)
conf->default_wep_key_len * 8);
errors++;
}
} else if (strcmp(buf, "wep_key_len_unicast") == 0) {
conf->individual_wep_key_len = atoi(pos);
if (conf->individual_wep_key_len < 0 ||
conf->individual_wep_key_len > 13) {
printf("Line %d: invalid WEP key len %d "
"(= %d bits)\n", line,
conf->individual_wep_key_len,
conf->individual_wep_key_len * 8);
errors++;
}
} else if (strcmp(buf, "wep_rekey_period") == 0) {
conf->wep_rekeying_period = atoi(pos);
if (conf->wep_rekeying_period < 0) {
printf("Line %d: invalid period %d\n",
line, conf->wep_rekeying_period);
errors++;
}
} else if (strcmp(buf, "eap_reauth_period") == 0) {
conf->eap_reauth_period = atoi(pos);
if (conf->eap_reauth_period < 0) {
printf("Line %d: invalid period %d\n",
line, conf->eap_reauth_period);
errors++;
}
} else if (strcmp(buf, "eapol_key_index_workaround") == 0) {
conf->eapol_key_index_workaround = atoi(pos);
#ifdef CONFIG_IAPP
} else if (strcmp(buf, "iapp_interface") == 0) {
conf->ieee802_11f = 1;
snprintf(conf->iapp_iface, sizeof(conf->iapp_iface),
"%s", pos);
#endif /* CONFIG_IAPP */
} else if (strcmp(buf, "own_ip_addr") == 0) {
if (hostapd_parse_ip_addr(pos, &conf->own_ip_addr)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (strcmp(buf, "nas_identifier") == 0) {
conf->nas_identifier = strdup(pos);
} else if (strcmp(buf, "auth_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->radius->auth_servers,
&conf->radius->num_auth_servers, pos, 1812,
&conf->radius->auth_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->radius->auth_server &&
strcmp(buf, "auth_server_port") == 0) {
conf->radius->auth_server->port = atoi(pos);
} else if (conf->radius->auth_server &&
strcmp(buf, "auth_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->radius->auth_server->shared_secret =
(u8 *) strdup(pos);
conf->radius->auth_server->shared_secret_len = len;
} else if (strcmp(buf, "acct_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->radius->acct_servers,
&conf->radius->num_acct_servers, pos, 1813,
&conf->radius->acct_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->radius->acct_server &&
strcmp(buf, "acct_server_port") == 0) {
conf->radius->acct_server->port = atoi(pos);
} else if (conf->radius->acct_server &&
strcmp(buf, "acct_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->radius->acct_server->shared_secret =
(u8 *) strdup(pos);
conf->radius->acct_server->shared_secret_len = len;
} else if (strcmp(buf, "radius_so_mark") == 0) {
conf->radius->so_mark = atoi(pos);
} else if (strcmp(buf, "radius_retry_primary_interval") == 0) {
conf->radius->retry_primary_interval = atoi(pos);
} else if (strcmp(buf, "radius_acct_interim_interval") == 0) {
conf->radius->acct_interim_interval = atoi(pos);
} else if (strcmp(buf, "auth_algs") == 0) {
conf->auth_algs = atoi(pos);
if (conf->auth_algs == 0) {
printf("Line %d: no authentication algorithms "
"allowed\n",
line);
errors++;
}
} else if (strcmp(buf, "wpa") == 0) {
conf->wpa = atoi(pos);
} else if (strcmp(buf, "wpa_group_rekey") == 0) {
conf->wpa_group_rekey = atoi(pos);
} else if (strcmp(buf, "wpa_strict_rekey") == 0) {
conf->wpa_strict_rekey = atoi(pos);
} else if (strcmp(buf, "wpa_gmk_rekey") == 0) {
conf->wpa_gmk_rekey = atoi(pos);
} else if (strcmp(buf, "wpa_passphrase") == 0) {
int len = strlen(pos);
if (len < 8 || len > 63) {
printf("Line %d: invalid WPA passphrase length"
" %d (expected 8..63)\n", line, len);
errors++;
} else {
free(conf->wpa_passphrase);
conf->wpa_passphrase = strdup(pos);
}
} else if (strcmp(buf, "wpa_psk") == 0) {
free(conf->wpa_psk);
conf->wpa_psk = malloc(sizeof(struct hostapd_wpa_psk));
if (conf->wpa_psk) {
memset(conf->wpa_psk, 0,
sizeof(struct hostapd_wpa_psk));
}
if (conf->wpa_psk == NULL)
errors++;
else if (hexstr2bin(pos, conf->wpa_psk->psk, PMK_LEN)
|| pos[PMK_LEN * 2] != '\0') {
printf("Line %d: Invalid PSK '%s'.\n", line,
pos);
errors++;
} else {
conf->wpa_psk->group = 1;
}
} else if (strcmp(buf, "wpa_psk_file") == 0) {
free(conf->wpa_psk_file);
conf->wpa_psk_file = strdup(pos);
if (!conf->wpa_psk_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "wpa_key_mgmt") == 0) {
conf->wpa_key_mgmt =
hostapd_config_parse_key_mgmt(line, pos);
if (conf->wpa_key_mgmt == -1)
errors++;
} else if (strcmp(buf, "wpa_pairwise") == 0) {
conf->wpa_pairwise =
hostapd_config_parse_cipher(line, pos);
if (conf->wpa_pairwise == -1 ||
conf->wpa_pairwise == 0)
errors++;
else if (conf->wpa_pairwise &
(WPA_CIPHER_NONE | WPA_CIPHER_WEP40 |
WPA_CIPHER_WEP104)) {
printf("Line %d: unsupported pairwise "
"cipher suite '%s'\n",
conf->wpa_pairwise, pos);
errors++;
} else {
if (conf->wpa_pairwise & WPA_CIPHER_TKIP)
conf->wpa_group = WPA_CIPHER_TKIP;
else
conf->wpa_group = WPA_CIPHER_CCMP;
}
#ifdef CONFIG_RSN_PREAUTH
} else if (strcmp(buf, "rsn_preauth") == 0) {
conf->rsn_preauth = atoi(pos);
} else if (strcmp(buf, "rsn_preauth_interfaces") == 0) {
conf->rsn_preauth_interfaces = strdup(pos);
#endif /* CONFIG_RSN_PREAUTH */
} else if (strcmp(buf, "ctrl_interface") == 0) {
free(conf->ctrl_interface);
conf->ctrl_interface = strdup(pos);
} else if (strcmp(buf, "ctrl_interface_group") == 0) {
struct group *grp;
char *endp;
const char *group = pos;
grp = getgrnam(group);
if (grp) {
conf->ctrl_interface_gid = grp->gr_gid;
conf->ctrl_interface_gid_set = 1;
wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d"
" (from group name '%s')",
conf->ctrl_interface_gid, group);
continue;
}
/* Group name not found - try to parse this as gid */
conf->ctrl_interface_gid = strtol(group, &endp, 10);
if (*group == '\0' || *endp != '\0') {
wpa_printf(MSG_DEBUG, "Line %d: Invalid group "
"'%s'", line, group);
errors++;
continue;
}
conf->ctrl_interface_gid_set = 1;
wpa_printf(MSG_DEBUG, "ctrl_interface_group=%d",
conf->ctrl_interface_gid);
#ifdef RADIUS_SERVER
} else if (strcmp(buf, "radius_server_clients") == 0) {
free(conf->radius_server_clients);
conf->radius_server_clients = strdup(pos);
} else if (strcmp(buf, "radius_server_auth_port") == 0) {
conf->radius_server_auth_port = atoi(pos);
} else if (strcmp(buf, "radius_server_ipv6") == 0) {
conf->radius_server_ipv6 = atoi(pos);
#endif /* RADIUS_SERVER */
#ifdef SIMPLE_CONFIG
} else if (strcmp(buf, "wsc_auth_mode") == 0) {
conf->wsc_auth_mode = atoi(pos);
} else if (strcmp(buf, "wsc_wep_key") == 0) {
snprintf(conf->wsc_wep_key, sizeof(conf->wsc_wep_key), "%s", pos);
#endif
} else if (strcmp(buf, "test_socket") == 0) {
free(conf->test_socket);
conf->test_socket = strdup(pos);
} else if (strcmp(buf, "use_pae_group_addr") == 0) {
conf->use_pae_group_addr = atoi(pos);
} else {
printf("Line %d: unknown configuration item '%s'\n",
line, buf);
errors++;
}
}
fclose(f);
if (hostapd_config_read_maclist(accept_mac_file, &conf->accept_mac,
&conf->num_accept_mac))
errors++;
free(accept_mac_file);
if (hostapd_config_read_maclist(deny_mac_file, &conf->deny_mac,
&conf->num_deny_mac))
errors++;
free(deny_mac_file);
#ifdef EAP_SERVER
if (hostapd_config_read_eap_user(eap_user_file, conf))
errors++;
free(eap_user_file);
#endif /* EAP_SERVER */
conf->radius->auth_server = conf->radius->auth_servers;
conf->radius->acct_server = conf->radius->acct_servers;
if (hostapd_config_check(conf))
errors++;
if (errors) {
printf("%d errors found in configuration file '%s'\n",
errors, fname);
hostapd_config_free(conf);
conf = NULL;
}
return conf;
}
struct hostapd_config * hostapd_config_read(const char *fname)
{
struct hostapd_config *conf;
FILE *f;
char buf[256], *pos;
int line = 0;
int errors = 0;
char *accept_mac_file = NULL, *deny_mac_file = NULL;
f = fopen(fname, "r");
if (f == NULL) {
printf("Could not open configuration file '%s' for reading.\n",
fname);
return NULL;
}
conf = hostapd_config_defaults();
if (conf == NULL) {
fclose(f);
return NULL;
}
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if (*pos == '\n') {
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
pos = strchr(buf, '=');
if (pos == NULL) {
printf("Line %d: invalid line '%s'\n", line, buf);
errors++;
continue;
}
*pos = '\0';
pos++;
if (strcmp(buf, "interface") == 0) {
snprintf(conf->iface, sizeof(conf->iface), "%s", pos);
} else if (strcmp(buf, "debug") == 0) {
conf->debug = atoi(pos);
} else if (strcmp(buf, "logger_syslog_level") == 0) {
conf->logger_syslog_level = atoi(pos);
} else if (strcmp(buf, "logger_stdout_level") == 0) {
conf->logger_stdout_level = atoi(pos);
} else if (strcmp(buf, "logger_syslog") == 0) {
conf->logger_syslog = atoi(pos);
} else if (strcmp(buf, "logger_stdout") == 0) {
conf->logger_stdout = atoi(pos);
} else if (strcmp(buf, "dump_file") == 0) {
conf->dump_log_name = strdup(pos);
} else if (strcmp(buf, "daemonize") == 0) {
conf->daemonize = atoi(pos);
} else if (strcmp(buf, "ssid") == 0) {
conf->ssid_len = strlen(pos);
if (conf->ssid_len >= HOSTAPD_SSID_LEN ||
conf->ssid_len < 1) {
printf("Line %d: invalid SSID '%s'\n", line,
pos);
errors++;
}
memcpy(conf->ssid, pos, conf->ssid_len);
conf->ssid[conf->ssid_len] = '\0';
} else if (strcmp(buf, "macaddr_acl") == 0) {
conf->macaddr_acl = atoi(pos);
if (conf->macaddr_acl != ACCEPT_UNLESS_DENIED &&
conf->macaddr_acl != DENY_UNLESS_ACCEPTED &&
conf->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
printf("Line %d: unknown macaddr_acl %d\n",
line, conf->macaddr_acl);
}
} else if (strcmp(buf, "accept_mac_file") == 0) {
accept_mac_file = strdup(pos);
if (!accept_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "deny_mac_file") == 0) {
deny_mac_file = strdup(pos);
if (!deny_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "assoc_ap_addr") == 0) {
if (hwaddr_aton(pos, conf->assoc_ap_addr)) {
printf("Line %d: invalid MAC address '%s'\n",
line, pos);
errors++;
}
conf->assoc_ap = 1;
} else if (strcmp(buf, "ieee8021x") == 0) {
conf->ieee802_1x = atoi(pos);
} else if (strcmp(buf, "minimal_eap") == 0) {
conf->minimal_eap = atoi(pos);
} else if (strcmp(buf, "eap_message") == 0) {
conf->eap_req_id_text = strdup(pos);
} else if (strcmp(buf, "wep_key_len_broadcast") == 0) {
conf->default_wep_key_len = atoi(pos);
if (conf->default_wep_key_len > 13) {
printf("Line %d: invalid WEP key len %d "
"(= %d bits)\n", line,
conf->default_wep_key_len,
conf->default_wep_key_len * 8);
errors++;
}
} else if (strcmp(buf, "wep_key_len_unicast") == 0) {
conf->individual_wep_key_len = atoi(pos);
if (conf->individual_wep_key_len < 0 ||
conf->individual_wep_key_len > 13) {
printf("Line %d: invalid WEP key len %d "
"(= %d bits)\n", line,
conf->individual_wep_key_len,
conf->individual_wep_key_len * 8);
errors++;
}
} else if (strcmp(buf, "wep_rekey_period") == 0) {
conf->wep_rekeying_period = atoi(pos);
if (conf->wep_rekeying_period < 0) {
printf("Line %d: invalid period %d\n",
line, conf->wep_rekeying_period);
errors++;
}
} else if (strcmp(buf, "eapol_key_index_workaround") == 0) {
conf->eapol_key_index_workaround = atoi(pos);
} else if (strcmp(buf, "iapp_interface") == 0) {
conf->ieee802_11f = 1;
snprintf(conf->iapp_iface, sizeof(conf->iapp_iface),
"%s", pos);
} else if (strcmp(buf, "own_ip_addr") == 0) {
if (!inet_aton(pos, &conf->own_ip_addr)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (strcmp(buf, "auth_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->auth_servers,
&conf->num_auth_servers, pos, 1812,
&conf->auth_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->auth_server &&
strcmp(buf, "auth_server_port") == 0) {
conf->auth_server->port = atoi(pos);
} else if (conf->auth_server &&
strcmp(buf, "auth_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->auth_server->shared_secret = strdup(pos);
conf->auth_server->shared_secret_len = len;
} else if (strcmp(buf, "acct_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->acct_servers,
&conf->num_acct_servers, pos, 1813,
&conf->acct_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->acct_server &&
strcmp(buf, "acct_server_port") == 0) {
conf->acct_server->port = atoi(pos);
} else if (conf->acct_server &&
strcmp(buf, "acct_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->acct_server->shared_secret = strdup(pos);
conf->acct_server->shared_secret_len = len;
} else if (strcmp(buf, "radius_retry_primary_interval") == 0) {
conf->radius_retry_primary_interval = atoi(pos);
} else if (strcmp(buf, "radius_acct_interim_interval") == 0) {
conf->radius_acct_interim_interval = atoi(pos);
} else if (strcmp(buf, "auth_algs") == 0) {
conf->auth_algs = atoi(pos);
} else {
printf("Line %d: unknown configuration item '%s'\n",
line, buf);
errors++;
}
}
fclose(f);
if (hostapd_config_read_maclist(accept_mac_file, &conf->accept_mac,
&conf->num_accept_mac))
errors++;
free(accept_mac_file);
if (hostapd_config_read_maclist(deny_mac_file, &conf->deny_mac,
&conf->num_deny_mac))
errors++;
free(deny_mac_file);
conf->auth_server = conf->auth_servers;
conf->acct_server = conf->acct_servers;
if (hostapd_config_check(conf))
errors++;
if (errors) {
printf("%d errors found in configuration file '%s'\n",
errors, fname);
hostapd_config_free(conf);
conf = NULL;
}
return conf;
}
/**
* 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;
}
/**
* 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);
}
struct hostapd_config * hostapd_config_read(const char *fname)
{
struct hostapd_config *conf;
FILE *f;
char buf[256], *pos, *pos1;
int idx, rate;
enum { WEP_KEY_ASCII, WEP_KEY_HEX, WEP_KEY_UNKNOWN_TYPE };
int line = 0, errors = 0, wep_key_type = 0;
char *accept_mac_file = NULL, *deny_mac_file = NULL;
f = fopen(fname, "r");
if (f == NULL) {
printf("Could not open configuration file '%s' for reading.\n",
fname);
return NULL;
}
conf = hostapd_config_defaults();
if (conf == NULL) {
fclose(f);
return NULL;
}
while (fgets(buf, sizeof(buf), f)) {
line++;
if (buf[0] == '#')
continue;
pos = buf;
while (*pos != '\0') {
if ((*pos == '\n') || (*pos == '\r')){
*pos = '\0';
break;
}
pos++;
}
if (buf[0] == '\0')
continue;
pos = strchr(buf, '=');
if (pos == NULL) {
printf("Line %d: invalid line '%s'\n", line, buf);
errors++;
continue;
}
*pos = '\0';
pos++;
if (strcmp(buf, "interface") == 0) {
snprintf(conf->iface, sizeof(conf->iface), "%s", pos);
} else if (strcmp(buf, "debug") == 0) {
conf->debug = atoi(pos);
} else if (strcmp(buf, "logger_syslog_level") == 0) {
conf->logger_syslog_level = atoi(pos);
} else if (strcmp(buf, "logger_stdout_level") == 0) {
conf->logger_stdout_level = atoi(pos);
} else if (strcmp(buf, "logger_syslog") == 0) {
conf->logger_syslog = atoi(pos);
} else if (strcmp(buf, "logger_stdout") == 0) {
conf->logger_stdout = atoi(pos);
} else if (strcmp(buf, "manuf_file") == 0) {
conf->manuf_file = strdup(pos);
} else if (strcmp(buf, "dump_file") == 0) {
conf->dump_log_name = strdup(pos);
} else if (strcmp(buf, "daemonize") == 0) {
conf->daemonize = atoi(pos);
} else if (strcmp(buf, "wireless_enable") == 0) {
conf->wireless_enable = atoi(pos);
} else if (strcmp(buf, "auto_link") == 0) {
conf->auto_link = atoi(pos);
} else if (strcmp(buf, "ssid_patch") == 0) {
conf->ssid_patch = atoi(pos);
} else if (strcmp(buf, "speed_booster") == 0) {
conf->speed_booster = atoi(pos);
} else if (strcmp(buf, "ap_mode") == 0) {
conf->ap_mode = atoi(pos);
} else if (strcmp(buf, "g_protect") == 0) {
conf->g_protect = atoi(pos);
} else if (strcmp(buf, "iw_mode") == 0) {
conf->iw_mode = atoi(pos);
} else if (strcmp(buf, "oper_rate") == 0) {
idx = 0;
pos1 = pos;
while (*pos != '\0') {
if (idx >= HOSTAPD_RATE_LEN)
break;
pos = strchr(pos1, ',');
if (pos == NULL) {
conf->oper_rate |=
rate2index(atoi(pos1));
break;
}
*pos++ = '\0';
conf->oper_rate |= rate2index(atoi(pos1));
pos1 = pos;
}
} else if (strcmp(buf, "basic_rate") == 0) {
idx = 0;
pos1 = pos;
while (*pos != '\0') {
if (idx >= HOSTAPD_RATE_LEN)
break;
pos = strchr(pos1, ',');
if (pos == NULL) {
conf->basic_rate |=
rate2index(atoi(pos1));
break;
}
*pos++ = '\0';
conf->basic_rate |= rate2index(atoi(pos1));
pos1 = pos;
}
} else if (strcmp(buf, "fixed_tx_data_rate") == 0) {
conf->fixed_tx_data_rate = atoi(pos);
} else if (strcmp(buf, "fixed_tx_b_rate") == 0) {
conf->fixed_tx_b_rate = rate2idx(atoi(pos));
if (conf->fixed_tx_b_rate < 0) {
printf("Line %d: invalid rate '%d'\n", line,
conf->fixed_tx_b_rate);
errors++;
}
} else if (strcmp(buf, "fixed_tx_g_rate") == 0) {
conf->fixed_tx_g_rate = rate2idx(atoi(pos));
if (conf->fixed_tx_g_rate < 0) {
printf("Line %d: invalid rate '%d'\n", line,
conf->fixed_tx_g_rate);
errors++;
}
} else if (strcmp(buf, "beacon_interval") == 0) {
conf->beacon_interval = atoi(pos);
} else if (strcmp(buf, "dtim_period") == 0) {
conf->dtim_period = atoi(pos);
} else if (strcmp(buf, "rts_threshold") == 0) {
conf->rts_threshold = atoi(pos);
} else if (strcmp(buf, "fragment_threshold") == 0) {
conf->fragment_threshold = atoi(pos);
} else if (strcmp(buf, "short_retry_limit") == 0) {
conf->short_retry_limit = atoi(pos);
} else if (strcmp(buf, "long_retry_limit") == 0) {
conf->long_retry_limit = atoi(pos);
} else if (strcmp(buf, "channel") == 0) {
conf->channel = atoi(pos);
} else if (strcmp(buf, "current_tx_power_level") == 0) {
conf->current_tx_power_level = atoi(pos);
} else if (strcmp(buf, "short_preamble") == 0) {
conf->short_preamble = atoi(pos);
} else if (strcmp(buf, "hide_ssid") == 0) {
conf->hide_ssid = atoi(pos);
} else if (strcmp(buf, "ssid") == 0) {
conf->ssid_len = strlen(pos);
if (conf->ssid_len > HOSTAPD_SSID_LEN ||
conf->ssid_len < 1) {
printf("Line %d: invalid SSID '%s'\n", line,
pos);
errors++;
}
memcpy(conf->ssid, pos, conf->ssid_len);
conf->ssid[conf->ssid_len] = '\0';
} else if (strcmp(buf, "macaddr_acl") == 0) {
conf->macaddr_acl = atoi(pos);
if (conf->macaddr_acl != ACCEPT_UNLESS_DENIED &&
conf->macaddr_acl != DENY_UNLESS_ACCEPTED &&
conf->macaddr_acl != ACL_NOT_APPLY &&
conf->macaddr_acl != USE_EXTERNAL_RADIUS_AUTH) {
printf("Line %d: unknown macaddr_acl %d\n",
line, conf->macaddr_acl);
}
} else if (strcmp(buf, "accept_mac_file") == 0) {
accept_mac_file = strdup(pos);
if (!accept_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "deny_mac_file") == 0) {
deny_mac_file = strdup(pos);
if (!deny_mac_file) {
printf("Line %d: allocation failed\n", line);
errors++;
}
} else if (strcmp(buf, "assoc_ap_addr") == 0) {
if (hwaddr_aton(pos, conf->assoc_ap_addr)) {
printf("Line %d: invalid MAC address '%s'\n",
line, pos);
errors++;
}
conf->assoc_ap = 1;
} else if (strcmp(buf, "wpa_mode") == 0) {
conf->wpa_mode = atoi(pos);
} else if (strcmp(buf, "wpa_encry") == 0) {
conf->wpa_encry = atoi(pos);
if ((conf->wpa_encry != HOSTAPD_WPA_ENCRY_TKIP) &&
(conf->wpa_encry != HOSTAPD_WPA_ENCRY_CCMP)) {
printf("Line %d: invalid WPA encryption method %d\n",
line, conf->wpa_encry);
}
} else if (strcmp(buf, "wpa_passphrase") == 0) {
int len = strlen(pos);
if (len < 8 || len > 63) {
printf("Line %d: invalid WPA passphrase length"
"%d (expected 8..63)\n", line, len);
errors++;
} else
conf->wpa_passphrase = strdup(pos);
#ifndef AP_WPA2
} else if (strcmp(buf, "wpa_group_rekey_time") == 0) {
conf->wpa_group_rekey_time = atoi(pos);
#else
} else if (strcmp(buf, "group_rekey_time") == 0) {
conf->group_rekey_time = atoi(pos);
} else if (strcmp(buf, "wpa2_mode") == 0) {
conf->wpa2_mode = atoi(pos);
} else if (strcmp(buf, "wpa2_encry") == 0) {
conf->wpa2_encry = atoi(pos);
#if 0
if ((conf->wpa2_encry != HOSTAPD_WPA2_ENCRY_TKIP_OR_CCMP) &&
(conf->wpa2_encry != HOSTAPD_WPA2_ENCRY_CCMP_ONLY)) {
#else
if (conf->wpa2_encry != HOSTAPD_WPA2_ENCRY_CCMP_ONLY) {
#endif
printf("Line %d: invalid WPA2 encryption method %d\n",
line, conf->wpa2_encry);
}
} else if (strcmp(buf, "wpa2_passphrase") == 0) {
int len = strlen(pos);
if (len < 8 || len > 63) {
printf("Line %d: invalid WPA2 passphrase length"
"%d (expected 8..63)\n", line, len);
errors++;
} else
conf->wpa2_passphrase = strdup(pos);
#endif
} else if (strcmp(buf, "wlan_tx_gpio") == 0) {
conf->wlan_tx_gpio = atoi(pos);
} else if (strcmp(buf, "wlan_rx_gpio") == 0) {
conf->wlan_rx_gpio = atoi(pos);
} else if (strcmp(buf, "antenna") == 0) {
conf->antenna = atoi(pos);
} else if (strcmp(buf, "watchdog_timer") == 0) {
conf->watchdog_timer = atoi(pos);
} else if (strcmp(buf, "ieee8021x") == 0) {
conf->ieee802_1x = atoi(pos);
} else if (strcmp(buf, "minimal_eap") == 0) {
conf->minimal_eap = atoi(pos);
} else if (strcmp(buf, "eap_message") == 0) {
conf->eap_req_id_text = strdup(pos);
} else if (strcmp(buf, "wep_key_len") == 0) {
conf->wep_key_len = atoi(pos);
if (conf->wep_key_len != 5 &&
conf->wep_key_len != 13) {
printf("Line %d: invalid WEP key len %d "
"(= %d bits)\n", line,
conf->wep_key_len,
conf->wep_key_len * 8);
errors++;
}
} else if (strcmp(buf, "wep_default_key") == 0) {
conf->default_wep_key = atoi(pos);
if (conf->default_wep_key < 1 ||
conf->default_wep_key > 4) {
printf("Line %d: invalid default WEP key %d\n",
line, conf->default_wep_key);
errors++;
}
} else if (strcmp(buf, "wep_key_type") == 0) {
if (strcmp(pos, "ascii") == 0) {
wep_key_type = WEP_KEY_ASCII;
} else if (strcmp(pos, "hex") == 0) {
wep_key_type = WEP_KEY_HEX;
} else {
wep_key_type = WEP_KEY_UNKNOWN_TYPE;
printf("Line %d: invalid WEP key type %s\n",
line, pos);
errors++;
}
} else if (strcmp(buf, "wep_default_key1") == 0) {
conf->default_wep_key1 = strdup(pos);
} else if (strcmp(buf, "wep_default_key2") == 0) {
conf->default_wep_key2 = strdup(pos);
} else if (strcmp(buf, "wep_default_key3") == 0) {
conf->default_wep_key3 = strdup(pos);
} else if (strcmp(buf, "wep_default_key4") == 0) {
conf->default_wep_key4 = strdup(pos);
} else if (strcmp(buf, "wep_rekey_period") == 0) {
conf->wep_rekeying_period = atoi(pos);
if (conf->wep_rekeying_period < 0) {
printf("Line %d: invalid period %d\n",
line, conf->wep_rekeying_period);
errors++;
}
} else if (strcmp(buf, "privacy_invoked") == 0) {
conf->privacy_invoked = atoi(pos);
} else if (strcmp(buf, "exclude_unencrypted") == 0) {
conf->exclude_unencrypted = atoi(pos);
} else if (strcmp(buf, "eapol_key_index_workaround") == 0) {
conf->eapol_key_index_workaround = atoi(pos);
} else if (strcmp(buf, "iapp_interface") == 0) {
conf->ieee802_11f = 1;
snprintf(conf->iapp_iface, sizeof(conf->iapp_iface),
"%s", pos);
} else if (strcmp(buf, "own_ip_addr") == 0) {
if (!inet_aton(pos, &conf->own_ip_addr)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (strcmp(buf, "auth_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->auth_servers,
&conf->num_auth_servers, pos, 1812,
&conf->auth_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->auth_server &&
strcmp(buf, "auth_server_port") == 0) {
conf->auth_server->port = atoi(pos);
} else if (conf->auth_server &&
strcmp(buf, "auth_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->auth_server->shared_secret = strdup(pos);
conf->auth_server->shared_secret_len = len;
} else if (strcmp(buf, "acct_server_addr") == 0) {
if (hostapd_config_read_radius_addr(
&conf->acct_servers,
&conf->num_acct_servers, pos, 1813,
&conf->acct_server)) {
printf("Line %d: invalid IP address '%s'\n",
line, pos);
errors++;
}
} else if (conf->acct_server &&
strcmp(buf, "acct_server_port") == 0) {
conf->acct_server->port = atoi(pos);
} else if (conf->acct_server &&
strcmp(buf, "acct_server_shared_secret") == 0) {
int len = strlen(pos);
if (len == 0) {
/* RFC 2865, Ch. 3 */
printf("Line %d: empty shared secret is not "
"allowed.\n", line);
errors++;
}
conf->acct_server->shared_secret = strdup(pos);
conf->acct_server->shared_secret_len = len;
} else if (strcmp(buf, "radius_retry_primary_interval") == 0) {
conf->radius_retry_primary_interval = atoi(pos);
} else if (strcmp(buf, "radius_acct_interim_interval") == 0) {
conf->radius_acct_interim_interval = atoi(pos);
} else if (strcmp(buf, "auth_algs") == 0) {
conf->auth_algs = atoi(pos);
} else if (strcmp(buf, "op_mode") == 0) {
conf->op_mode = atoi(pos);
} else if (strcmp(buf, "sta_bridge") == 0) {
conf->sta_bridge = atoi(pos);
} else {
printf("Line %d: unknown configuration item '%s'\n",
line, buf);
errors++;
}
}
if ((conf->basic_rate & conf->oper_rate) != conf->basic_rate) {
printf("Configured basic rate set mismatches configured"
" operational rate set\n");
errors++;
}
if (((conf->fixed_tx_b_rate & conf->oper_rate) != conf->fixed_tx_b_rate) ||
((conf->fixed_tx_g_rate & conf->oper_rate) != conf->fixed_tx_g_rate)) {
printf("Configured fixed transmit rate mismatches any "
"configured operational rate set\n");
errors++;
}
/* Hexdecimal WEP key conversion */
if (wep_key_type == WEP_KEY_HEX) {
for (idx = 0; idx < 4; idx++) {
char *wep_key;
switch (idx) {
case 0:
wep_key = conf->default_wep_key1;
break;
case 1:
wep_key = conf->default_wep_key2;
break;
case 2:
wep_key = conf->default_wep_key3;
break;
case 3:
wep_key = conf->default_wep_key4;
break;
}
if (wep_key && wep_key[0]) {
if ((conf->wep_key_len == 5) ||
(conf->wep_key_len == 13)) {
int hex_len = (2 * conf->wep_key_len);
int i1 = 0, i2 = 0, num1, num2;
if (strlen(wep_key) != hex_len) {
printf("WEP key %d length "
"mismatches\n", idx + 1);
errors++;
break;
}
while (hex_len) {
num1 = hex2num(wep_key[i1++]);
num2 = hex2num(wep_key[i1++]);
if (num1 < 0 || num2 < 0) {
printf("WEP key %d "
"has invalid "
"characters\n",
idx + 1);
errors++;
break;
}
num1 <<= 4;
buf[i2++] = num1 | num2;
hex_len -= 2;
}
if (! hex_len) {
memcpy(wep_key, buf,
conf->wep_key_len);
wep_key[conf->wep_key_len] = 0;
}
}
}
}
}
fclose(f);
if (hostapd_config_read_maclist(accept_mac_file, &conf->accept_mac,
&conf->num_accept_mac))
errors++;
free(accept_mac_file);
if (hostapd_config_read_maclist(deny_mac_file, &conf->deny_mac,
&conf->num_deny_mac))
errors++;
free(deny_mac_file);
conf->auth_server = conf->auth_servers;
conf->acct_server = conf->acct_servers;
if (hostapd_config_check(conf))
errors++;
if (errors) {
printf("%d errors found in configuration file '%s'\n",
errors, fname);
#if 0
hostapd_config_free(conf);
conf = NULL;
#endif
}
return conf;
}
static void hostapd_config_free_radius(struct hostapd_radius_server *servers,
int num_servers)
{
int i;
for (i = 0; i < num_servers; i++) {
free(servers[i].shared_secret);
}
free(servers);
}
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;
}
