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/*
Tomato Firmware
Copyright (C) 2006-2009 Jonathan Zarate
*/
#include "tomato.h"
#include <ctype.h>
#include <wlutils.h>
// returns: ['bssid','ssid',channel,capabilities,rssi,noise,[rates,]], or [null,'error message']
void asp_wlscan(int argc, char **argv)
{
// scan
wl_scan_params_t sp;
int ap;
int radio;
char *wif;
int zero = 0;
web_puts("\nwlscandata = [");
wif = nvram_safe_get("wl_ifname");
memset(&sp, 0xff, sizeof(sp)); // most default to -1
sp.ssid.SSID_len = 0;
sp.bss_type = DOT11_BSSTYPE_ANY; // =2
sp.channel_num = 0;
if (wl_ioctl(wif, WLC_GET_AP, &ap, sizeof(ap)) < 0) {
web_puts("[null,'Unable to get AP mode.']];\n");
return;
}
if (ap > 0) {
wl_ioctl(wif, WLC_SET_AP, &zero, sizeof(zero));
}
radio = get_radio();
if (!radio) set_radio(1);
if (wl_ioctl(wif, WLC_SCAN, &sp, WL_SCAN_PARAMS_FIXED_SIZE) < 0) {
if (ap > 0) wl_ioctl(wif, WLC_SET_AP, &ap, sizeof(ap));
if (!radio) set_radio(0);
web_puts("[null,'Unable to start scan.']];\n");
return;
}
sleep(2);
// get results
wl_scan_results_t *results;
wl_bss_info_t *bssi;
int r;
results = malloc(WLC_IOCTL_MAXLEN);
if (!results) {
if (ap > 0) wl_ioctl(wif, WLC_SET_AP, &ap, sizeof(ap));
if (!radio) set_radio(0);
web_puts("[null,'Not enough memory.']];");
return;
}
results->buflen = WLC_IOCTL_MAXLEN - (sizeof(*results) - sizeof(results->bss_info));
results->version = WL_BSS_INFO_VERSION;
r = wl_ioctl(wif, WLC_SCAN_RESULTS, results, WLC_IOCTL_MAXLEN);
if (ap > 0) {
wl_ioctl(wif, WLC_SET_AP, &ap, sizeof(ap));
#ifndef WL_BSS_INFO_VERSION
#error WL_BSS_INFO_VERSION
#endif
#if WL_BSS_INFO_VERSION >= 108
// no idea why this voodoo sequence works to wake up wl -- zzz
eval("wl", "ssid", nvram_safe_get("wl_ssid"));
if (radio) set_radio(1);
#endif
}
if (!radio) set_radio(0);
if (r < 0) {
free(results);
web_puts("[null,'Unable to obtain scan result.']];\n");
return;
}
// format for javascript
int i;
int j;
int k;
char c;
char ssid[64];
char mac[32];
char *ssidj;
int channel;
bssi = &results->bss_info[0];
for (i = 0; i < results->count; ++i) {
#if WL_BSS_INFO_VERSION >= 108
channel = CHSPEC_CHANNEL(bssi->chanspec);
#else
channel = bssi->channel;
#endif
j = bssi->SSID_len;
if (j < 0) j = 0;
if (j > 32) j = 32;
if (nvram_get_int("wlx_scrubssid")) {
for (k = j - 1; k >= 0; --k) {
c = bssi->SSID[k];
if (!isprint(c)) c = '?';
ssid[k] = c;
}
}
else {
memcpy(ssid, bssi->SSID, j);
}
ssid[j] = 0;
ssidj = js_string(ssid);
web_printf("%s['%s','%s',%u,%u,%d,%d,[", (i > 0) ? "," : "",
ether_etoa(bssi->BSSID.octet, mac), ssidj ? ssidj : "",
channel,
bssi->capability, bssi->RSSI, bssi->phy_noise);
free(ssidj);
for (j = 0; j < bssi->rateset.count; ++j) {
web_printf("%s%u", j ? "," : "", bssi->rateset.rates[j]);
}
web_puts("]]");
bssi = (wl_bss_info_t*)((uint8*)bssi + bssi->length);
}
web_puts("];\n");
free(results);
}
void asp_wlradio(int argc, char **argv)
{
web_printf("\nwlradio = %d;\n", get_radio());
}
void wo_wlradio(char *url)
{
char *enable;
parse_asp("saved.asp");
if (nvram_match("wl_radio", "1")) {
if ((enable = webcgi_get("enable")) != NULL) {
web_close();
sleep(2);
eval("radio", atoi(enable) ? "on" : "off");
return;
}
}
}
static int read_noise(void)
{
int v;
// WLC_GET_PHY_NOISE
if (wl_ioctl(nvram_safe_get("wl_ifname"), 135, &v, sizeof(v)) == 0) {
char s[32];
sprintf(s, "%d", v);
nvram_set("t_noise", s);
return v;
}
return -99;
}
void asp_wlcrssi(int argc, char **argv)
{
scb_val_t rssi;
memset(&rssi, 0, sizeof(rssi));
if (wl_client()) {
if (wl_ioctl(nvram_safe_get("wl_ifname"), WLC_GET_RSSI, &rssi, sizeof(rssi)) != 0)
rssi.val = -100;
}
web_printf("\nwlcrssi = %d;\n", rssi.val);
}
void asp_wlnoise(int argc, char **argv)
{
int v;
if (wl_client()) {
v = read_noise();
}
else {
v = nvram_get_int("t_noise");
if ((v > 0) || (v < -100)) v = -99;
}
web_printf("\nwlnoise = %d;\n", v);
}
void wo_wlmnoise(char *url)
{
int ap;
int i;
char *wif;
parse_asp("mnoise.asp");
web_close();
sleep(3);
wif = nvram_safe_get("wl_ifname");
if (wl_ioctl(wif, WLC_GET_AP, &ap, sizeof(ap)) < 0) return;
i = 0;
wl_ioctl(wif, WLC_SET_AP, &i, sizeof(i));
for (i = 10; i > 0; --i) {
sleep(1);
read_noise();
}
wl_ioctl(wif, WLC_SET_AP, &ap, sizeof(ap));
}
void asp_wlclient(int argc, char **argv)
{
web_puts(wl_client() ? "1" : "0");
}
void asp_wlchannel(int argc, char **argv)
{
channel_info_t ch;
if (wl_ioctl(nvram_safe_get("wl_ifname"), WLC_GET_CHANNEL, &ch, sizeof(ch)) < 0) {
web_puts(nvram_safe_get("wl_channel"));
}
else {
web_printf("%d", (ch.scan_channel > 0) ? -ch.scan_channel : ch.hw_channel);
}
}
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