openwrt-owl/openwrt/package/wificonf/wificonf.c

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/*
* Wireless Network Adapter configuration utility
*
* Copyright (C) 2005 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdio.h>
#include <unistd.h>
#include <iwlib.h>
#include <bcmnvram.h>
#include <shutils.h>
#include <wlioctl.h>
#include <signal.h>
#define ADD_VIF_RETRIES 5
// #define DEBUG
/*------------------------------------------------------------------*/
/*
* Macro to handle errors when setting WE
* Print a nice error message and exit...
* We define them as macro so that "return" do the right thing.
* The "do {...} while(0)" is a standard trick
*/
#define ERR_SET_EXT(rname, request) \
fprintf(stderr, "Error for wireless request \"%s\" (%X) :\n", \
rname, request)
#define ABORT_ARG_NUM(rname, request) \
do { \
ERR_SET_EXT(rname, request); \
fprintf(stderr, " too few arguments.\n"); \
} while(0)
#define ABORT_ARG_TYPE(rname, request, arg) \
do { \
ERR_SET_EXT(rname, request); \
fprintf(stderr, " invalid argument \"%s\".\n", arg); \
} while(0)
#define ABORT_ARG_SIZE(rname, request, max) \
do { \
ERR_SET_EXT(rname, request); \
fprintf(stderr, " argument too big (max %d)\n", max); \
} while(0)
/*------------------------------------------------------------------*/
/*
* Wrapper to push some Wireless Parameter in the driver
* Use standard wrapper and add pretty error message if fail...
*/
#define IW_SET_EXT_ERR(skfd, ifname, request, wrq, rname) \
do { \
if(iw_set_ext(skfd, ifname, request, wrq) < 0) { \
ERR_SET_EXT(rname, request); \
fprintf(stderr, " SET failed on device %-1.16s ; %s.\n", \
ifname, strerror(errno)); \
} } while(0)
/*------------------------------------------------------------------*/
/*
* Wrapper to extract some Wireless Parameter out of the driver
* Use standard wrapper and add pretty error message if fail...
*/
#define IW_GET_EXT_ERR(skfd, ifname, request, wrq, rname) \
do { \
if(iw_get_ext(skfd, ifname, request, wrq) < 0) { \
ERR_SET_EXT(rname, request); \
fprintf(stderr, " GET failed on device %-1.16s ; %s.\n", \
ifname, strerror(errno)); \
} } while(0)
static void set_wext_ssid(int skfd, char *ifname);
static char *prefix;
static char buffer[128];
static int wpa_enc = 0;
static char *wl_var(char *name)
{
sprintf(buffer, "%s_%s", prefix, name);
return buffer;
}
static char *vif_var(int vif, char *name)
{
if (vif == 0)
return wl_var(name);
sprintf(buffer, "%s.%d_%s", prefix, vif, name);
return buffer;
}
static int nvram_enabled(char *name)
{
return (nvram_match(name, "1") || nvram_match(name, "on") || nvram_match(name, "enabled") || nvram_match(name, "true") || nvram_match(name, "yes") ? 1 : 0);
}
static int nvram_disabled(char *name)
{
return (nvram_match(name, "0") || nvram_match(name, "off") || nvram_match(name, "disabled") || nvram_match(name, "false") || nvram_match(name, "no") ? 1 : 0);
}
/* Quarter dBm units to mW
* Table starts at QDBM_OFFSET, so the first entry is mW for qdBm=153
* Table is offset so the last entry is largest mW value that fits in
* a uint16.
*/
#define QDBM_OFFSET 153
#define QDBM_TABLE_LEN 40
/* Smallest mW value that will round up to the first table entry, QDBM_OFFSET.
* Value is ( mW(QDBM_OFFSET - 1) + mW(QDBM_OFFSET) ) / 2
*/
#define QDBM_TABLE_LOW_BOUND 6493
/* Largest mW value that will round down to the last table entry,
* QDBM_OFFSET + QDBM_TABLE_LEN-1.
* Value is ( mW(QDBM_OFFSET + QDBM_TABLE_LEN - 1) + mW(QDBM_OFFSET + QDBM_TABLE_LEN) ) / 2.
*/
#define QDBM_TABLE_HIGH_BOUND 64938
static const uint16 nqdBm_to_mW_map[QDBM_TABLE_LEN] = {
/* qdBm: +0 +1 +2 +3 +4 +5 +6 +7 */
/* 153: */ 6683, 7079, 7499, 7943, 8414, 8913, 9441, 10000,
/* 161: */ 10593, 11220, 11885, 12589, 13335, 14125, 14962, 15849,
/* 169: */ 16788, 17783, 18836, 19953, 21135, 22387, 23714, 25119,
/* 177: */ 26607, 28184, 29854, 31623, 33497, 35481, 37584, 39811,
/* 185: */ 42170, 44668, 47315, 50119, 53088, 56234, 59566, 63096
};
unsigned char mw_to_qdbm(uint16 mw)
{
char qdbm;
int offset;
uint mw_uint = mw;
uint boundary;
/* handle boundary case */
if (mw_uint <= 1)
return 0;
offset = QDBM_OFFSET;
/* move mw into the range of the table */
while (mw_uint < QDBM_TABLE_LOW_BOUND) {
mw_uint *= 10;
offset -= 40;
}
for (qdbm = 0; qdbm < QDBM_TABLE_LEN-1; qdbm++) {
boundary = nqdBm_to_mW_map[qdbm] + (nqdBm_to_mW_map[qdbm+1] - nqdBm_to_mW_map[qdbm])/2;
if (mw_uint < boundary) break;
}
qdbm += (unsigned char)offset;
return(qdbm);
}
static int bcom_ioctl(int skfd, char *ifname, int cmd, void *buf, int len)
{
struct ifreq ifr;
wl_ioctl_t ioc;
int ret;
ioc.cmd = cmd;
ioc.buf = buf;
ioc.len = len;
ifr.ifr_data = (caddr_t) &ioc;
strncpy(ifr.ifr_name, ifname, IFNAMSIZ);
ret = ioctl(skfd, SIOCDEVPRIVATE, &ifr);
#ifdef DEBUG
if (ret < 0)
fprintf(stderr, "IOCTL %d failed: %d\n", cmd, ret);
#endif
return ret;
}
static int bcom_set_var(int skfd, char *ifname, char *var, void *val, int len)
{
char buf[8192];
int ret;
if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
return -1;
bzero(buf, sizeof(buf));
strcpy(buf, var);
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memcpy(&buf[strlen(var) + 1], val, len);
ret = bcom_ioctl(skfd, ifname, WLC_SET_VAR, buf, sizeof(buf));
#ifdef DEBUG
if (ret < 0)
fprintf(stderr, "SET_VAR %s failed: %d\n", var, ret);
#endif
return ret;
}
static int bcom_get_var(int skfd, char *ifname, char *var, void *buf, int len)
{
int ret;
if (strlen(var) + 1 > sizeof(buf) || len > sizeof(buf))
return -1;
bzero(buf, sizeof(buf));
strcpy(buf, var);
ret = bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, sizeof(buf));
#ifdef DEBUG
if (ret < 0)
fprintf(stderr, "GET_VAR %s failed: %d\n", var, ret);
#endif
return ret;
}
static int bcom_set_bss_var(int skfd, char *ifname, int bss, char *var, void *val, int len)
{
char buf[8192];
int i = 0, ret;
bzero(buf, sizeof(buf));
if (strlen(var) + len + 8 > sizeof(buf) || len > sizeof(buf))
return -1;
// "bsscfg:<name>\x00" <bss> <data>
i = sprintf(buf, "bsscfg:%s", var);
buf[i++] = 0;
memcpy(buf + i, &bss, sizeof(bss));
i += sizeof(bss);
memcpy(buf + i, val, len);
i += len;
ret = bcom_ioctl(skfd, ifname, WLC_SET_VAR, buf, i);
#ifdef DEBUG
if (ret < 0)
fprintf(stderr, "SET_BSS_VAR %s failed: %d\n", var, ret);
#endif
return ret;
}
static int bcom_set_int(int skfd, char *ifname, char *var, int val)
{
return bcom_set_var(skfd, ifname, var, &val, sizeof(val));
}
static int bcom_set_bss_int(int skfd, char *ifname, int bss, char *var, int val)
{
return bcom_set_bss_var(skfd, ifname, bss, var, &val, sizeof(val));
}
static int is_new_bcom(int skfd, char *ifname)
{
char buf[8192];
bzero(buf, 8192);
bcom_ioctl(skfd, ifname, WLC_DUMP, buf, 8192);
if (strstr(buf, "3.130"))
return 1;
return 0;
}
static int bcom_get_wsec(int vif)
{
int val;
if (nvram_match(vif_var(vif, "crypto"), "tkip"))
val = TKIP_ENABLED;
else if (nvram_match(vif_var(vif, "crypto"), "aes"))
val = AES_ENABLED;
else if (nvram_match(vif_var(vif, "crypto"), "tkip+aes") || nvram_match(vif_var(vif, "crypto"), "aes+tkip"))
val = TKIP_ENABLED | AES_ENABLED;
else
val = 0;
return val;
}
static int bcom_get_wauth(int vif)
{
char *v, *next, var[80];
int res = 0;
if (!(v = nvram_get(vif_var(vif, "akm"))))
v = nvram_safe_get(vif_var(vif, "auth_mode"));
foreach(var, v, next) {
if (strcmp(var, "psk") == 0)
res |= WPA_AUTH_PSK;
else if (strcmp(var, "psk2") == 0)
res |= WPA2_AUTH_PSK;
else if (strcmp(var, "wpa") == 0)
res |= WPA_AUTH_UNSPECIFIED;
else if (strcmp(var, "wpa2") == 0)
res |= WPA2_AUTH_UNSPECIFIED;
}
return res;
}
static void stop_bcom(int skfd, char *ifname)
{
int val = 0;
wlc_ssid_t ssid;
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
return;
ssid.SSID_len = 0;
ssid.SSID[0] = 0;
bcom_ioctl(skfd, ifname, WLC_SET_SSID, &ssid, sizeof(ssid));
bcom_ioctl(skfd, ifname, WLC_DOWN, NULL, 0);
}
static void start_bcom(int skfd, char *ifname)
{
int val = 0;
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
return;
bcom_ioctl(skfd, ifname, WLC_UP, &val, sizeof(val));
}
static int setup_bcom_wds(int skfd, char *ifname)
{
char buf[8192];
char wbuf[80];
char *v;
int wds_enabled = 0;
if (v = nvram_get(wl_var("wds"))) {
struct maclist *wdslist = (struct maclist *) buf;
struct ether_addr *addr = wdslist->ea;
char *next;
memset(buf, 0, 8192);
foreach(wbuf, v, next) {
if (ether_atoe(wbuf, addr->ether_addr_octet)) {
wdslist->count++;
addr++;
wds_enabled = 1;
}
}
bcom_ioctl(skfd, ifname, WLC_SET_WDSLIST, buf, sizeof(buf));
}
return wds_enabled;
}
static void set_wext_mode(skfd, ifname)
{
struct iwreq wrq;
int ap = 0, infra = 0, wet = 0;
/* Set operation mode */
ap = !nvram_match(wl_var("mode"), "sta") && !nvram_match(wl_var("mode"), "wet");
infra = !nvram_disabled(wl_var("infra"));
wet = !ap && nvram_match(wl_var("mode"), "wet");
wrq.u.mode = (!infra ? IW_MODE_ADHOC : (ap ? IW_MODE_MASTER : (wet ? IW_MODE_REPEAT : IW_MODE_INFRA)));
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWMODE, &wrq, "Set Mode");
}
void start_watchdog(int skfd, char *ifname)
{
FILE *f;
char *v, *next;
unsigned char buf[8192], buf2[8192], wbuf[80], *p, *tmp;
int wds = 0, i, j, restart_wds;
wlc_ssid_t ssid;
if (fork())
return;
system("kill $(cat /var/run/wifi.pid) 2>&- >&-");
f = fopen("/var/run/wifi.pid", "w");
fprintf(f, "%d\n", getpid());
fclose(f);
v = nvram_safe_get(wl_var("wds"));
memset(buf2, 0, 8192);
p = buf2;
foreach(wbuf, v, next) {
if (ether_atoe(wbuf, p)) {
p += 6;
wds++;
}
}
v = nvram_safe_get(wl_var("ssid"));
ssid.SSID_len = strlen(v);
strncpy(ssid.SSID, v, 32);
for (;;) {
sleep(5);
/* client mode */
bcom_ioctl(skfd, ifname, WLC_GET_AP, &i, sizeof(i));
if (!i) {
i = 0;
if (bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf, 6) < 0)
i = 1;
memcpy(buf + 6, "\x00\x00\x00\x00\x00\x00", 6);
if (memcmp(buf, buf + 6, 6) == 0)
i = 1;
memset(buf, 0, 8192);
strcpy(buf, "sta_info");
bcom_ioctl(skfd, ifname, WLC_GET_BSSID, buf + strlen(buf) + 1, 6);
if (bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, 8192) < 0) {
i = 1;
} else {
sta_info_t *sta = (sta_info_t *) (buf + 4);
if ((sta->flags & 0x18) != 0x18)
i = 1;
if (sta->idle > 20)
i = 1;
}
if (i)
bcom_ioctl(skfd, ifname, WLC_SET_SSID, &ssid, sizeof(ssid));
}
/* wds */
p = buf2;
restart_wds = 0;
for (i = 0; i < wds; i++) {
memset(buf, 0, 8192);
strcpy(buf, "sta_info");
memcpy(buf + strlen(buf) + 1, p, 6);
if (bcom_ioctl(skfd, ifname, WLC_GET_VAR, buf, 8192) < 0) {
} else {
sta_info_t *sta = (sta_info_t *) (buf + 4);
if (!(sta->flags & 0x40)) {
} else {
if (sta->idle > 120)
restart_wds = 1;
}
}
p += 6;
}
if (restart_wds)
setup_bcom_wds(skfd, ifname);
}
}
static void setup_bcom_vif_sec(int skfd, char *ifname, int vif)
{
int val, wep, wsec, i;
char *v;
wsec = bcom_get_wsec(vif);
if (wsec)
val = bcom_get_wauth(vif);
else
val = 0;
bcom_set_bss_int(skfd, ifname, vif, "wpa_auth", val);
if (val) {
if (WPA_AUTH_PSK | WPA2_AUTH_PSK) {
v = nvram_safe_get(wl_var("wpa_psk"));
if ((strlen(v) >= 8) && (strlen(v) < 63) && nvram_match(wl_var("mode"), "wet") && (vif == 0)) {
/* Enable in-driver WPA supplicant */
wsec_pmk_t pmk;
pmk.key_len = (unsigned short) strlen(v);
pmk.flags = WSEC_PASSPHRASE;
strcpy(pmk.key, v);
bcom_ioctl(skfd, ifname, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
bcom_set_int(skfd, ifname, "sup_wpa", 1);
} else {
bcom_set_int(skfd, ifname, "sup_wpa", 0);
}
}
bcom_set_bss_int(skfd, ifname, vif, "eap_restrict", 1);
bcom_set_bss_int(skfd, ifname, vif, "wsec", wsec);
bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 1);
} else {
bcom_set_bss_int(skfd, ifname, vif, "eap_restrict", 0);
if (wep = nvram_enabled(vif_var(vif, "wep"))) {
wep = atoi(nvram_safe_get(vif_var(vif, "key")));
if ((wep >= 1) && (wep <= 4)) {
for (i = 1; i < 4; i++) {
wl_wsec_key_t k;
char name[5] = "key0";
unsigned char *kdata = k.data;
unsigned char *kstr;
bzero(&k, sizeof(k));
name[3] += i;
kstr = nvram_safe_get(vif_var(vif, name));
k.len = strlen(kstr);
if ((k.len == 10) || (k.len == 26)) {
k.index = i - 1;
#ifdef DEBUG
fprintf(stderr, "Adding WEP key %d to VIF %d: ", i, vif);
#endif
k.len = 0;
while (*kstr != 0) {
strncpy(name, kstr, 2);
name[2] = 0;
*kdata = (unsigned char) strtoul(name, NULL, 16);
#ifdef DEBUG
fprintf(stderr, "%02x", *kdata);
#endif
kstr += 2;
kdata++;
k.len++;
}
#ifdef DEBUG
fprintf(stderr, "\n");
#endif
} else {
k.len = 0;
}
if ((k.len > 0) && (i == wep))
k.flags = WL_PRIMARY_KEY;
bcom_set_bss_var(skfd, ifname, vif, "wsec_key", &k, sizeof(k));
}
wep = 1;
bcom_set_bss_int(skfd, ifname, vif, "wsec", WEP_ENABLED);
bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 1);
bcom_set_bss_int(skfd, ifname, vif, "auth", nvram_enabled(vif_var(vif, "auth")));
} else {
wep = 0;
}
}
}
if (!wep && !val) {
bcom_set_bss_int(skfd, ifname, vif, "wsec", 0);
bcom_set_bss_int(skfd, ifname, vif, "wsec_restrict", 0);
}
// bcom_set_bss_int(skfd, ifname, vif, "auth", atoi(nvram_safe_get(vif_var(vif, "auth"))));
}
static void setup_bcom_vif(int skfd, char *ifname, int vif)
{
int val, wep, wsec, i;
char *s, *v;
wlc_ssid_t ssid;
s = nvram_safe_get(vif_var(vif, "ssid"));
strncpy(ssid.SSID, s, sizeof(ssid.SSID));
ssid.SSID_len = strlen(ssid.SSID);
ssid.SSID_len = ((ssid.SSID_len > sizeof(ssid.SSID)) ? sizeof(ssid.SSID) : ssid.SSID_len);
bcom_set_bss_var(skfd, ifname, vif, "ssid", &ssid, sizeof(ssid));
val = nvram_enabled(vif_var(vif, "closed"));
bcom_set_bss_int(skfd, ifname, vif, "closednet", val);
val = nvram_enabled(wl_var("ap_isolate"));
bcom_set_bss_int(skfd, ifname, vif, "ap_isolate", val);
}
static void start_bcom_vif(int skfd, char *ifname, int vif)
{
int cfg[2];
int i;
cfg[0] = vif;
cfg[1] = 1;
for (i = 0; i < ADD_VIF_RETRIES; i++) {
if (bcom_set_var(skfd, ifname, "bss" , cfg, sizeof(cfg)) == 0)
break;
usleep(1000 * 1000);
}
}
static void setup_bcom_common(int skfd, char *ifname)
{
int val = 0, ap;
char buf[8192], wbuf[80], *v;
nvram_set(wl_var("ifname"), ifname);
/* Set Country */
strncpy(buf, nvram_safe_get(wl_var("country_code")), 4);
buf[3] = 0;
bcom_ioctl(skfd, ifname, WLC_SET_COUNTRY, buf, 4);
if (v = nvram_get(wl_var("txpwr"))) {
val = atoi(v);
val = mw_to_qdbm(val);
bcom_set_int(skfd, ifname, "qtxpower", val);
}
/* Set other options */
val = nvram_enabled(wl_var("lazywds"));
bcom_ioctl(skfd, ifname, WLC_SET_LAZYWDS, &val, sizeof(val));
if (v = nvram_get(wl_var("dtim"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_DTIMPRD, &val, sizeof(val));
}
if (v = nvram_get(wl_var("bcn"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_BCNPRD, &val, sizeof(val));
}
if (v = nvram_get(wl_var("antdiv"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_ANTDIV, &val, sizeof(val));
}
if (v = nvram_get(wl_var("txant"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_TXANT, &val, sizeof(val));
}
if (v = nvram_get(wl_var("maxassoc"))) {
val = atoi(v);
bcom_set_int(skfd, ifname, "maxassoc", val);
}
val = nvram_enabled(wl_var("frameburst"));
bcom_ioctl(skfd, ifname, WLC_SET_FAKEFRAG, &val, sizeof(val));
ap = !nvram_match(wl_var("mode"), "sta") && !nvram_match(wl_var("mode"), "wet");
if (ap)
val = setup_bcom_wds(skfd, ifname);
if ((!ap || val) && is_new_bcom(skfd, ifname))
start_watchdog(skfd, ifname);
/* Set up afterburner, disabled it if WDS is enabled */
if (val || nvram_enabled(wl_var("lazywds"))) {
val = ABO_OFF;
} else {
val = ABO_AUTO;
if (nvram_enabled(wl_var("afterburner")))
val = ABO_ON;
if (nvram_disabled(wl_var("afterburner")))
val = ABO_OFF;
}
bcom_set_var(skfd, ifname, "afterburner_override", &val, sizeof(val));
/* Set up MAC list */
if (nvram_match(wl_var("macmode"), "allow"))
val = WLC_MACMODE_ALLOW;
else if (nvram_match(wl_var("macmode"), "deny"))
val = WLC_MACMODE_DENY;
else
val = WLC_MACMODE_DISABLED;
if ((val != WLC_MACMODE_DISABLED) && (v = nvram_get(wl_var("maclist")))) {
struct maclist *mac_list;
struct ether_addr *addr;
char *next;
memset(buf, 0, 8192);
mac_list = (struct maclist *) buf;
addr = mac_list->ea;
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foreach(wbuf, v, next) {
if (ether_atoe(wbuf, addr->ether_addr_octet)) {
mac_list->count++;
addr++;
}
}
bcom_ioctl(skfd, ifname, WLC_SET_MACLIST, buf, sizeof(buf));
} else {
val = WLC_MACMODE_DISABLED;
}
bcom_ioctl(skfd, ifname, WLC_SET_MACMODE, &val, sizeof(val));
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/* Set up G mode */
bcom_ioctl(skfd, ifname, WLC_GET_PHYTYPE, &val, sizeof(val));
if (val == 2) {
int override = WLC_G_PROTECTION_OFF;
int control = WLC_G_PROTECTION_CTL_OFF;
if (v = nvram_get(wl_var("gmode")))
val = atoi(v);
else
val = 1;
if (val > 5)
val = 1;
bcom_ioctl(skfd, ifname, WLC_SET_GMODE, &val, sizeof(val));
if (nvram_match(wl_var("gmode_protection"), "auto")) {
override = WLC_G_PROTECTION_AUTO;
control = WLC_G_PROTECTION_CTL_OVERLAP;
}
if (nvram_enabled(wl_var("gmode_protection"))) {
override = WLC_G_PROTECTION_ON;
control = WLC_G_PROTECTION_CTL_OVERLAP;
}
bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_CONTROL, &override, sizeof(control));
bcom_ioctl(skfd, ifname, WLC_SET_GMODE_PROTECTION_OVERRIDE, &override, sizeof(override));
if (val = 0) {
if (nvram_match(wl_var("plcphdr"), "long"))
val = WLC_PLCP_AUTO;
else
val = WLC_PLCP_SHORT;
bcom_ioctl(skfd, ifname, WLC_SET_PLCPHDR, &val, sizeof(val));
}
}
}
static void setup_bcom_new(int skfd, char *ifname)
{
int val = 0, i;
int iface[16], ifaces = 1;
int ap, apsta, sta, wet;
char *v;
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
return;
/* Clear all VIFs */
iface[0] = 0;
for (i = 0; i < 16; i++) {
int cfg[2]; /* index, enabled */
cfg[0] = i;
cfg[1] = 0;
bcom_set_var(skfd, ifname, "bss", cfg, sizeof(cfg));
if ((i > 0) && nvram_enabled(vif_var(i, "enabled")) && (i == 0 || nvram_get(vif_var(i, "ssid")))) {
iface[ifaces] = i;
ifaces++;
}
}
set_wext_mode(skfd, ifname);
ap = nvram_match(wl_var("mode"), "ap") || nvram_match(wl_var("mode"), "apsta");
apsta = nvram_match(wl_var("mode"), "apsta");
sta = nvram_match(wl_var("mode"), "sta");
bcom_set_int(skfd, ifname, "apsta", apsta);
bcom_set_int(skfd, ifname, "mssid", (ifaces > 1));
for (i = 0; i < (sta ? 0 : ifaces); i++) {
#ifdef DEBUG
fprintf(stderr, "setup_bcom_vif(%d) start\n", iface[i]);
#endif
setup_bcom_vif(skfd, ifname, iface[i]);
#ifdef DEBUG
fprintf(stderr, "setup_bcom_vif(%d) end\n", iface[i]);
#endif
}
if (v = nvram_get(wl_var("rts"))) {
val = atoi(v);
bcom_set_int(skfd, ifname, "rtsthresh", val);
}
if (v = nvram_get(wl_var("frag"))) {
val = atoi(v);
bcom_set_int(skfd, ifname, "fragthresh", val);
}
val = (nvram_disabled(wl_var("radio")) ? (1 | (1 << 16)) : 0);
bcom_ioctl(skfd, ifname, WLC_SET_RADIO, &val, sizeof(val));
setup_bcom_common(skfd, ifname);
start_bcom(skfd, ifname);
val = atoi(nvram_safe_get(wl_var("channel")));
if (val > 0)
bcom_ioctl(skfd, ifname, WLC_SET_CHANNEL, &val, sizeof(val));
val = (ap ? 15 : 0);
bcom_ioctl(skfd, ifname, WLC_SET_CS_SCAN_TIMER, &val, sizeof(val));
for (i = 0; i < (sta ? 0 : ifaces); i++) {
setup_bcom_vif_sec(skfd, ifname, iface[i]);
}
for (i = 0; i < (sta ? 0 : ifaces); i++) {
start_bcom_vif(skfd, ifname, iface[i]);
}
}
static void setup_bcom_old(int skfd, char *ifname)
{
int val = 0, i;
char buf[8192];
char wbuf[80];
char *v;
if (bcom_ioctl(skfd, ifname, WLC_GET_MAGIC, &val, sizeof(val)) < 0)
return;
setup_bcom_common(skfd, ifname);
if (v = nvram_get(wl_var("frag"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_FRAG, &val, sizeof(val));
}
if (v = nvram_get(wl_var("rts"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_RTS, &val, sizeof(val));
}
val = nvram_enabled(wl_var("closed"));
bcom_ioctl(skfd, ifname, WLC_SET_CLOSED, &val, sizeof(val));
val = nvram_enabled(wl_var("ap_isolate"));
bcom_set_int(skfd, ifname, "ap_isolate", val);
start_bcom(skfd, ifname);
set_wext_ssid(skfd, ifname);
val = bcom_get_wauth(0);
bcom_ioctl(skfd, ifname, WLC_SET_WPA_AUTH, &val, sizeof(val));
if (val & (WPA_AUTH_PSK | WPA2_AUTH_PSK)) {
v = nvram_safe_get(wl_var("wpa_psk"));
if ((strlen(v) >= 8) && (strlen(v) < 63) && nvram_match(wl_var("mode"), "wet")) {
/* Enable in-driver WPA supplicant */
wsec_pmk_t pmk;
pmk.key_len = (unsigned short) strlen(v);
pmk.flags = WSEC_PASSPHRASE;
strcpy(pmk.key, v);
bcom_ioctl(skfd, ifname, WLC_SET_WSEC_PMK, &pmk, sizeof(pmk));
bcom_set_int(skfd, ifname, "sup_wpa", 1);
}
}
if (val) {
val = 1;
bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
val = bcom_get_wsec(0);
bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
} else {
val = 0;
bcom_ioctl(skfd, ifname, WLC_SET_WSEC, &val, sizeof(val));
bcom_ioctl(skfd, ifname, WLC_SET_EAP_RESTRICT, &val, sizeof(val));
bcom_set_int(skfd, ifname, "sup_wpa", 0);
}
if (v = nvram_get(wl_var("auth"))) {
val = atoi(v);
bcom_ioctl(skfd, ifname, WLC_SET_AUTH, &val, sizeof(val));
}
}
static void set_wext_ssid(int skfd, char *ifname)
{
char *buffer;
char essid[IW_ESSID_MAX_SIZE + 1];
struct iwreq wrq;
buffer = nvram_get(wl_var("ssid"));
if (!buffer || (strlen(buffer) > IW_ESSID_MAX_SIZE))
buffer = "OpenWrt";
wrq.u.essid.flags = 1;
strcpy(essid, buffer);
wrq.u.essid.pointer = (caddr_t) essid;
wrq.u.essid.length = strlen(essid) + 1;
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWESSID, &wrq, "Set ESSID");
}
static void setup_wext_wep(int skfd, char *ifname)
{
int i, keylen;
struct iwreq wrq;
char keystr[5];
char *keyval;
unsigned char key[IW_ENCODING_TOKEN_MAX];
memset(&wrq, 0, sizeof(wrq));
strcpy(keystr, "key1");
for (i = 1; i <= 4; i++) {
if (keyval = nvram_get(wl_var(keystr))) {
keylen = iw_in_key(keyval, key);
if (keylen > 0) {
wrq.u.data.length = keylen;
wrq.u.data.pointer = (caddr_t) key;
wrq.u.data.flags = i;
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
}
}
keystr[3]++;
}
memset(&wrq, 0, sizeof(wrq));
i = atoi(nvram_safe_get(wl_var("key")));
if (i > 0 && i < 4) {
wrq.u.data.flags = i | IW_ENCODE_RESTRICTED;
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWENCODE, &wrq, "Set Encode");
}
}
static void setup_wext(int skfd, char *ifname)
{
char *buffer;
struct iwreq wrq;
/* Set channel */
int channel = atoi(nvram_safe_get(wl_var("channel")));
wrq.u.freq.m = -1;
wrq.u.freq.e = 0;
wrq.u.freq.flags = 0;
if (channel > 0) {
wrq.u.freq.flags = IW_FREQ_FIXED;
wrq.u.freq.m = channel;
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWFREQ, &wrq, "Set Frequency");
}
/* Disable radio if wlX_radio is set and not enabled */
wrq.u.txpower.disabled = nvram_disabled(wl_var("radio"));
wrq.u.txpower.value = -1;
wrq.u.txpower.fixed = 1;
wrq.u.txpower.flags = IW_TXPOW_DBM;
IW_SET_EXT_ERR(skfd, ifname, SIOCSIWTXPOW, &wrq, "Set Tx Power");
/* Set up WEP */
if (nvram_enabled(wl_var("wep")) && !wpa_enc)
setup_wext_wep(skfd, ifname);
/* Set ESSID */
set_wext_ssid(skfd, ifname);
}
static int setup_interfaces(int skfd, char *ifname, char *args[], int count)
{
struct iwreq wrq;
int rc;
/* Avoid "Unused parameter" warning */
args = args; count = count;
if(iw_get_ext(skfd, ifname, SIOCGIWNAME, &wrq) < 0)
return 0;
if (strncmp(ifname, "ath", 3) == 0) {
set_wext_mode(skfd, ifname);
setup_wext(skfd, ifname);
} else {
if (is_new_bcom(skfd, ifname)) {
#ifdef DEBUG
fprintf(stderr, "New Broadcom driver detected.\n");
#endif
stop_bcom(skfd, ifname);
#ifdef DEBUG
fprintf(stderr, "Setup start.\n");
#endif
setup_bcom_new(skfd, ifname);
#ifdef DEBUG
fprintf(stderr, "Setup done.\n");
#endif
} else {
#ifdef DEBUG
fprintf(stderr, "Old Broadcom driver detected.\n");
#endif
stop_bcom(skfd, ifname);
set_wext_mode(skfd, ifname);
setup_bcom_old(skfd, ifname);
setup_wext(skfd, ifname);
}
}
prefix[2]++;
}
int main(int argc, char **argv)
{
int skfd;
if((skfd = iw_sockets_open()) < 0) {
perror("socket");
exit(-1);
}
prefix = strdup("wl0");
iw_enum_devices(skfd, &setup_interfaces, NULL, 0);
return 0;
}