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#include "utils/includes.h"
#include "utils/common.h"
#include "utils/ucode.h"
#include "drivers/driver.h"
#include "ap/hostapd.h"
#include "wpa_supplicant_i.h"
#include "wps_supplicant.h"
#include "bss.h"
#include "ucode.h"
static struct wpa_global *wpa_global;
static uc_resource_type_t *global_type, *iface_type;
static uc_value_t *global, *iface_registry;
static uc_vm_t *vm;
static uc_value_t *
wpas_ucode_iface_get_uval(struct wpa_supplicant *wpa_s)
{
uc_value_t *val;
if (wpa_s->ucode.idx)
return wpa_ucode_registry_get(iface_registry, wpa_s->ucode.idx);
val = uc_resource_new(iface_type, wpa_s);
wpa_s->ucode.idx = wpa_ucode_registry_add(iface_registry, val);
return val;
}
static void
wpas_ucode_update_interfaces(void)
{
uc_value_t *ifs = ucv_object_new(vm);
struct wpa_supplicant *wpa_s;
int i;
for (wpa_s = wpa_global->ifaces; wpa_s; wpa_s = wpa_s->next)
ucv_object_add(ifs, wpa_s->ifname, ucv_get(wpas_ucode_iface_get_uval(wpa_s)));
ucv_object_add(ucv_prototype_get(global), "interfaces", ucv_get(ifs));
ucv_gc(vm);
}
void wpas_ucode_add_bss(struct wpa_supplicant *wpa_s)
{
uc_value_t *val;
if (wpa_ucode_call_prepare("iface_add"))
return;
uc_value_push(ucv_get(ucv_string_new(wpa_s->ifname)));
uc_value_push(ucv_get(wpas_ucode_iface_get_uval(wpa_s)));
ucv_put(wpa_ucode_call(2));
ucv_gc(vm);
}
void wpas_ucode_free_bss(struct wpa_supplicant *wpa_s)
{
uc_value_t *val;
val = wpa_ucode_registry_remove(iface_registry, wpa_s->ucode.idx);
if (!val)
return;
wpa_s->ucode.idx = 0;
if (wpa_ucode_call_prepare("iface_remove"))
return;
uc_value_push(ucv_get(ucv_string_new(wpa_s->ifname)));
uc_value_push(ucv_get(val));
ucv_put(wpa_ucode_call(2));
ucv_gc(vm);
}
void wpas_ucode_update_state(struct wpa_supplicant *wpa_s)
{
const char *state;
uc_value_t *val;
val = wpa_ucode_registry_get(iface_registry, wpa_s->ucode.idx);
if (!val)
return;
if (wpa_ucode_call_prepare("state"))
return;
state = wpa_supplicant_state_txt(wpa_s->wpa_state);
uc_value_push(ucv_get(ucv_string_new(wpa_s->ifname)));
uc_value_push(ucv_get(val));
uc_value_push(ucv_get(ucv_string_new(state)));
ucv_put(wpa_ucode_call(3));
ucv_gc(vm);
}
void wpas_ucode_event(struct wpa_supplicant *wpa_s, int event, union wpa_event_data *data)
{
const char *state;
uc_value_t *val;
if (event != EVENT_CH_SWITCH_STARTED)
return;
val = wpa_ucode_registry_get(iface_registry, wpa_s->ucode.idx);
if (!val)
return;
if (wpa_ucode_call_prepare("event"))
return;
uc_value_push(ucv_get(ucv_string_new(wpa_s->ifname)));
uc_value_push(ucv_get(val));
uc_value_push(ucv_get(ucv_string_new(event_to_string(event))));
val = ucv_object_new(vm);
uc_value_push(ucv_get(val));
if (event == EVENT_CH_SWITCH_STARTED) {
ucv_object_add(val, "csa_count", ucv_int64_new(data->ch_switch.count));
ucv_object_add(val, "frequency", ucv_int64_new(data->ch_switch.freq));
ucv_object_add(val, "sec_chan_offset", ucv_int64_new(data->ch_switch.ch_offset));
ucv_object_add(val, "center_freq1", ucv_int64_new(data->ch_switch.cf1));
ucv_object_add(val, "center_freq2", ucv_int64_new(data->ch_switch.cf2));
}
ucv_put(wpa_ucode_call(4));
ucv_gc(vm);
}
static const char *obj_stringval(uc_value_t *obj, const char *name)
{
uc_value_t *val = ucv_object_get(obj, name, NULL);
return ucv_string_get(val);
}
static uc_value_t *
uc_wpas_add_iface(uc_vm_t *vm, size_t nargs)
{
uc_value_t *info = uc_fn_arg(0);
uc_value_t *driver = ucv_object_get(info, "driver", NULL);
uc_value_t *ifname = ucv_object_get(info, "iface", NULL);
uc_value_t *bridge = ucv_object_get(info, "bridge", NULL);
uc_value_t *config = ucv_object_get(info, "config", NULL);
uc_value_t *ctrl = ucv_object_get(info, "ctrl", NULL);
struct wpa_interface iface;
int ret = -1;
if (ucv_type(info) != UC_OBJECT)
goto out;
iface = (struct wpa_interface){
.driver = "nl80211",
.ifname = ucv_string_get(ifname),
.bridge_ifname = ucv_string_get(bridge),
.confname = ucv_string_get(config),
.ctrl_interface = ucv_string_get(ctrl),
};
if (driver) {
const char *drvname;
if (ucv_type(driver) != UC_STRING)
goto out;
iface.driver = NULL;
drvname = ucv_string_get(driver);
for (int i = 0; wpa_drivers[i]; i++) {
if (!strcmp(drvname, wpa_drivers[i]->name))
iface.driver = wpa_drivers[i]->name;
}
if (!iface.driver)
goto out;
}
if (!iface.ifname || !iface.confname)
goto out;
ret = wpa_supplicant_add_iface(wpa_global, &iface, 0) ? 0 : -1;
wpas_ucode_update_interfaces();
out:
return ucv_int64_new(ret);
}
static uc_value_t *
uc_wpas_remove_iface(uc_vm_t *vm, size_t nargs)
{
struct wpa_supplicant *wpa_s = NULL;
uc_value_t *ifname_arg = uc_fn_arg(0);
const char *ifname = ucv_string_get(ifname_arg);
int ret = -1;
if (!ifname)
goto out;
for (wpa_s = wpa_global->ifaces; wpa_s; wpa_s = wpa_s->next)
if (!strcmp(wpa_s->ifname, ifname))
break;
if (!wpa_s)
goto out;
ret = wpa_supplicant_remove_iface(wpa_global, wpa_s, 0);
wpas_ucode_update_interfaces();
out:
return ucv_int64_new(ret);
}
static uc_value_t *
uc_wpas_iface_status(uc_vm_t *vm, size_t nargs)
{
struct wpa_supplicant *wpa_s = uc_fn_thisval("wpas.iface");
struct wpa_bss *bss;
uc_value_t *ret, *val;
if (!wpa_s)
return NULL;
ret = ucv_object_new(vm);
val = ucv_string_new(wpa_supplicant_state_txt(wpa_s->wpa_state));
ucv_object_add(ret, "state", ucv_get(val));
bss = wpa_s->current_bss;
if (bss) {
int sec_chan = 0;
const u8 *ie;
ie = wpa_bss_get_ie(bss, WLAN_EID_HT_OPERATION);
if (ie && ie[1] >= 2) {
const struct ieee80211_ht_operation *ht_oper;
int sec;
ht_oper = (const void *) (ie + 2);
sec = ht_oper->ht_param & HT_INFO_HT_PARAM_SECONDARY_CHNL_OFF_MASK;
if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_ABOVE)
sec_chan = 1;
else if (sec == HT_INFO_HT_PARAM_SECONDARY_CHNL_BELOW)
sec_chan = -1;
}
ucv_object_add(ret, "sec_chan_offset", ucv_int64_new(sec_chan));
ucv_object_add(ret, "frequency", ucv_int64_new(bss->freq));
}
#ifdef CONFIG_MESH
if (wpa_s->ifmsh) {
struct hostapd_iface *ifmsh = wpa_s->ifmsh;
ucv_object_add(ret, "sec_chan_offset", ucv_int64_new(ifmsh->conf->secondary_channel));
ucv_object_add(ret, "frequency", ucv_int64_new(ifmsh->freq));
}
#endif
return ret;
}
int wpas_ucode_init(struct wpa_global *gl)
{
static const uc_function_list_t global_fns[] = {
{ "printf", uc_wpa_printf },
{ "getpid", uc_wpa_getpid },
{ "add_iface", uc_wpas_add_iface },
{ "remove_iface", uc_wpas_remove_iface },
};
static const uc_function_list_t iface_fns[] = {
{ "status", uc_wpas_iface_status },
};
uc_value_t *data, *proto;
wpa_global = gl;
vm = wpa_ucode_create_vm();
global_type = uc_type_declare(vm, "wpas.global", global_fns, NULL);
iface_type = uc_type_declare(vm, "wpas.iface", iface_fns, NULL);
iface_registry = ucv_array_new(vm);
uc_vm_registry_set(vm, "wpas.iface_registry", iface_registry);
global = wpa_ucode_global_init("wpas", global_type);
if (wpa_ucode_run(HOSTAPD_UC_PATH "wpa_supplicant.uc"))
goto free_vm;
ucv_gc(vm);
return 0;
free_vm:
wpa_ucode_free_vm();
return -1;
}
void wpas_ucode_free(void)
{
if (wpa_ucode_call_prepare("shutdown") == 0)
ucv_put(wpa_ucode_call(0));
wpa_ucode_free_vm();
}
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