static void
printssid(const char *tag, const u_int8_t *ie, size_t ielen, int maxlen)
{
char ssid[2*IEEE80211_NWID_LEN+1];
printf("%s<%.*s>", tag, copy_essid(ssid, maxlen, ie+2, ie[1]), ssid);
}
static void
list_scan(prop_dictionary_t env)
{
u_int8_t buf[64*1024 - 1];
struct ieee80211req ireq;
char ssid[IEEE80211_NWID_LEN+1];
const u_int8_t *cp;
int len, ssidmax;
const struct ieee80211req_scan_result *sr;
memset(&ireq, 0, sizeof(ireq));
ireq.i_type = IEEE80211_IOC_SCAN_RESULTS;
ireq.i_data = buf;
ireq.i_len = sizeof(buf);
if (direct_ioctl(env, SIOCG80211, &ireq) < 0)
errx(EXIT_FAILURE, "unable to get scan results");
len = ireq.i_len;
if (len < (int)sizeof(*sr))
return;
ssidmax = calc_len(buf, len);
printf("%-*.*s %-17.17s %4s %4s %-7s %3s %4s\n"
, ssidmax, ssidmax, "SSID"
, "BSSID"
, "CHAN"
, "RATE"
, "S:N"
, "INT"
, "CAPS"
);
cp = buf;
while (len >= (int)sizeof(*sr)) {
const uint8_t *vp;
sr = (const struct ieee80211req_scan_result *) cp;
vp = (const u_int8_t *)(sr+1);
(void)copy_essid(ssid, sizeof(ssid), vp, sr->isr_ssid_len);
printf("%-*.*s %s %3d %3dM %3d:%-3d %3d %-4.4s"
, ssidmax, ssidmax, ssid
, ether_ntoa((const struct ether_addr *) sr->isr_bssid)
, ieee80211_mhz2ieee(sr->isr_freq, sr->isr_flags)
, getmaxrate(sr->isr_rates, sr->isr_nrates)
, sr->isr_rssi, sr->isr_noise
, sr->isr_intval
, getcaps(sr->isr_capinfo)
);
printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24);
printf("\n");
cp += sr->isr_len, len -= sr->isr_len;
}
}
static void
list_scan(const char *ifname)
{
uint8_t buf[24 * 1024];
char ssid[14];
uint8_t *cp;
int len;
len = get80211priv(ifname, IEEE80211_IOCTL_SCAN_RESULTS,
buf, sizeof(buf));
if (len == -1)
errx(1, "unable to get scan results");
if (len < sizeof(struct ieee80211req_scan_result))
return;
printf("%-14.14s %-17.17s %4s %4s %-5s %3s %4s\n",
"SSID",
"BSSID",
"CHAN",
"RATE",
"S:N",
"INT",
"CAPS");
cp = buf;
do {
struct ieee80211req_scan_result *sr;
uint8_t *vp;
sr = (struct ieee80211req_scan_result *) cp;
vp = (u_int8_t *)(sr+1);
printf("%-14.*s %s %3d %3dM %2d:%-2d %3d %-4.4s",
copy_essid(ssid, sizeof(ssid), vp, sr->isr_ssid_len),
ssid,
ieee80211_ntoa(sr->isr_bssid),
ieee80211_mhz2ieee(sr->isr_freq),
getmaxrate(sr->isr_rates, sr->isr_nrates),
(int8_t) sr->isr_rssi, sr->isr_noise,
sr->isr_intval,
getcaps(sr->isr_capinfo));
printies(vp + sr->isr_ssid_len, sr->isr_ie_len, 24);
printf("\n");
cp += sr->isr_len, len -= sr->isr_len;
} while (len >= sizeof(struct ieee80211req_scan_result));
}
static int
calc_len(const u_int8_t *cp, int len)
{
int maxlen = 0, curlen;
const struct ieee80211req_scan_result *sr;
char buf[IEEE80211_NWID_LEN];
while (len >= (int)sizeof(*sr)) {
sr = (const struct ieee80211req_scan_result *)cp;
cp += sr->isr_len;
len -= sr->isr_len;
curlen = copy_essid(buf, sizeof(buf),
(const u_int8_t *)(sr + 1), sr->isr_ssid_len);
if (curlen >= IEEE80211_NWID_LEN)
return IEEE80211_NWID_LEN;
if (curlen > maxlen)
maxlen = curlen;
}
return maxlen;
}
static void
list_scan(AP_IW_CHANSCAN_RESULT_T *cfg, const char *ifname)
{
uint8_t buf[48*1024];
uint8_t *cp = NULL;
int len = 0;
int count = 0; //to count results.
int iTemp = 0;
AP_IW_CHANSCAN_RESULT_ENTRY *entry;
struct ieee80211req_scan_result *sr;
uint8_t *vp;
len = get80211priv(ifname, IEEE80211_IOCTL_SCAN_RESULTS,
buf, sizeof(buf));
if (len == -1)
{
RTN_LOG("IOCTL error,unable to get scan results");
return;
}
if (len < sizeof(struct ieee80211req_scan_result))
{
RTN_LOG("get scan results len %d < struct", len);
return;
}
cp = buf;
do {
sr = (struct ieee80211req_scan_result *) cp;
vp = (u_int8_t *)(sr+1);
// RTN_LOG("Get assignchan=%d, match chan=%d", cfg->assignChan, sr->isr_freq);
if(cfg->assignChan == 0 || cfg->assignChan == sr->isr_freq)
{
entry = &cfg->scan_entry[count];
//set ssid
iTemp = copy_essid((char *)entry->ssid, 32, vp, sr->isr_ssid_len);
entry->ssid[iTemp] = '\0';
//set bssid
memcpy(entry->bssid, sr->isr_bssid, 6);
//set chan
entry->chan = sr->isr_freq;
//set maxrate
entry->maxrate = getmaxrate(sr->isr_rates, sr->isr_nrates);
//set rssi
entry->rssi = sr->isr_rssi;
//set noise
entry->noise = sr->isr_noise;
//set intval
entry->intval = sr->isr_intval;
//set caps
getcaps(sr->isr_capinfo, (char *)entry->caps);
//set ies,max = 96/4-1=23
getIEs(vp + sr->isr_ssid_len, sr->isr_ie_len, 23, entry->ieinfo);
count++;
}
cp += sr->isr_len, len -= sr->isr_len;
} while ((len >= sizeof(struct ieee80211req_scan_result)) && (count < AP_IW_CHANSCAN_MAX_RESULT_NUM));
cfg->num = count;
}
