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/*
Tomato Firmware
Copyright (C) 2006-2009 Jonathan Zarate
*/
#include "tomato.h"
#include <ctype.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <wlutils.h>
void asp_arplist(int argc, char **argv)
{
FILE *f;
char s[512];
char ip[16];
char mac[18];
char dev[17];
char comma;
unsigned int flags;
/*
cat /proc/net/arp
IP address HW type Flags HW address Mask Device
192.168.0.1 0x1 0x2 00:01:02:03:04:05 * vlan1
*/
web_puts("\narplist = [");
comma = ' ';
if ((f = fopen("/proc/net/arp", "r")) != NULL) {
while (fgets(s, sizeof(s), f)) {
if (sscanf(s, "%15s %*s 0x%X %17s %*s %16s", ip, &flags, mac, dev) != 4) continue;
if ((strlen(mac) != 17) || (strcmp(mac, "00:00:00:00:00:00") == 0)) continue;
if (flags == 0) continue;
// if ((nvram_match("wan_ifname", dev)) && (!nvram_match("wan_ipaddr", ip))) continue; // half
web_printf("%c['%s','%s','%s']", comma, ip, mac, dev);
comma = ',';
}
fclose(f);
}
web_puts("];\n");
}
// checkme: any easier way to do this? zzz
static int get_wds_ifname(const struct ether_addr *ea, char *ifname)
{
struct ifreq ifr;
int sd;
int i;
struct ether_addr e;
if ((sd = socket(PF_INET, SOCK_DGRAM, 0)) >= 0) {
// wds doesn't show up under SIOCGIFCONF; seems to start at 17 (?)
for (i = 1; i < 32; ++i) {
ifr.ifr_ifindex = i;
if ((ioctl(sd, SIOCGIFNAME, &ifr) == 0) &&
(strncmp(ifr.ifr_name, "wds", 3) == 0) &&
(wl_ioctl(ifr.ifr_name, WLC_WDS_GET_REMOTE_HWADDR, &e.octet, sizeof(e.octet)) == 0)) {
if (memcmp(ea->octet, e.octet, sizeof(e.octet)) == 0) {
close(sd);
strlcpy(ifname, ifr.ifr_name, 16);
return 1;
}
}
}
close(sd);
}
return 0;
}
void asp_devlist(int argc, char **argv)
{
char *p;
FILE *f;
char buf[1024];
int i;
char comma;
// must be here for easier call via update.cgi. arg is ignored
asp_arplist(0, NULL);
asp_wlnoise(0, NULL);
//
p = js_string(nvram_safe_get("dhcpd_static"));
web_printf("dhcpd_static = '%s'.split('>');\n", p ? p : "");
free(p);
//
#if 1
char *wlif;
scb_val_t rssi;
sta_info_t sti;
int cmd;
struct maclist *mlist;
int mlsize;
char ifname[16];
web_puts("wldev = [");
comma = ' ';
mlsize = sizeof(struct maclist) + (255 * sizeof(struct ether_addr));
if ((mlist = malloc(mlsize)) != NULL) {
wlif = nvram_safe_get("wl0_ifname");
cmd = WLC_GET_ASSOCLIST;
while (1) {
mlist->count = 255;
if (wl_ioctl(wlif, cmd, mlist, mlsize) == 0) {
for (i = 0; i < mlist->count; ++i) {
rssi.ea = mlist->ea[i];
rssi.val = 0;
if (wl_ioctl(wlif, WLC_GET_RSSI, &rssi, sizeof(rssi)) != 0) continue;
// sta_info0<mac>
memset(&sti, 0, sizeof(sti));
strcpy((char *)&sti, "sta_info");
memcpy((char *)&sti + 9, rssi.ea.octet, 6);
if (wl_ioctl(wlif, WLC_GET_VAR, &sti, sizeof(sti)) != 0) continue;
p = wlif;
if (sti.flags & WL_STA_WDS) {
if (cmd != WLC_GET_WDSLIST) continue;
if ((sti.flags & WL_WDS_LINKUP) == 0) continue;
if (get_wds_ifname(&rssi.ea, ifname)) p = ifname;
}
web_printf("%c['%s','%s',%d]",
comma,
p,
ether_etoa(rssi.ea.octet, buf),
rssi.val);
comma = ',';
}
}
if (cmd == WLC_GET_WDSLIST) break;
cmd = WLC_GET_WDSLIST;
}
free(mlist);
}
#else
char *wlif;
scb_val_t rssi;
sta_info_t sti;
int j;
struct maclist *mlist;
int mlsize;
char ifname[16];
web_puts("wldev = [");
comma = ' ';
mlsize = sizeof(struct maclist) + (127 * sizeof(struct ether_addr));
if ((mlist = malloc(mlsize)) != NULL) {
for (j = 0; j < 2; ++j) {
wlif = nvram_safe_get("wl0_ifname");
strcpy((char *)mlist, j ? "autho_sta_list" : "authe_sta_list");
if (wl_ioctl(wlif, WLC_GET_VAR, mlist, mlsize) == 0) {
for (i = 0; i < mlist->count; ++i) {
rssi.ea = mlist->ea[i];
rssi.val = 0;
if (wl_ioctl(wlif, WLC_GET_RSSI, &rssi, sizeof(rssi)) != 0) continue;
// sta_info0<mac>
memset(&sti, 0, sizeof(sti));
strcpy((char *)&sti, "sta_info");
memcpy((char *)&sti + 9, rssi.ea.octet, 6);
if (wl_ioctl(wlif, WLC_GET_VAR, &sti, sizeof(sti)) != 0) continue;
p = wlif;
if (sti.flags & WL_STA_WDS) {
if ((sti.flags & WL_WDS_LINKUP) == 0) continue;
if (get_wds_ifname(&rssi.ea, ifname)) p = ifname;
}
web_printf("%c['%s','%s',%d]",
comma,
p,
ether_etoa(rssi.ea.octet, buf),
rssi.val);
comma = ',';
}
}
}
free(mlist);
}
#endif
web_puts("];\n");
//
unsigned long expires;
char mac[32];
char ip[32];
char hostname[256];
char *host;
web_puts("dhcpd_lease = [");
if (nvram_match("lan_proto", "dhcp")) {
f_write("/var/tmp/dhcp/leases.!", NULL, 0, 0, 0666);
// dump the leases to a file
if (killall("dnsmasq", SIGUSR2) == 0) {
// helper in dnsmasq will remove this when it's done
f_wait_notexists("/var/tmp/dhcp/leases.!", 5);
}
if ((f = fopen("/var/tmp/dhcp/leases", "r")) != NULL) {
comma = ' ';
while (fgets(buf, sizeof(buf), f)) {
if (sscanf(buf, "%lu %17s %15s %255s", &expires, mac, ip, hostname) != 4) continue;
host = js_string((hostname[0] == '*') ? "" : hostname);
web_printf("%c['%s','%s','%s','%s']", comma,
(host ? host : ""), ip, mac, ((expires == 0) ? "non-expiring" : reltime(buf, expires)));
free(host);
comma = ',';
}
fclose(f);
}
unlink("/var/tmp/dhcp/leases");
}
web_puts("];");
}
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