OpenWrt – Rev 4
?pathlinks?
--- a/Makefile
+++ b/Makefile
@@ -14,6 +14,10 @@ IWINFO_CLI = iwinfo
IWINFO_CLI_LDFLAGS = $(LDFLAGS) -L. -liwinfo
IWINFO_CLI_OBJ = iwinfo_cli.o
+ifneq ($(filter rt,$(IWINFO_BACKENDS)),)
+ IWINFO_CFLAGS += -DUSE_RTWIFI
+ IWINFO_LIB_OBJ += iwinfo_rt_scan.o
+endif
ifneq ($(filter wl,$(IWINFO_BACKENDS)),)
IWINFO_CFLAGS += -DUSE_WL
--- a/iwinfo_cli.c
+++ b/iwinfo_cli.c
@@ -111,7 +111,11 @@ static char * format_signal(int sig)
if (!sig)
snprintf(buf, sizeof(buf), "unknown");
else
+#ifdef USE_RTWIFI
+ snprintf(buf, sizeof(buf), "%d %", sig);
+#else
snprintf(buf, sizeof(buf), "%d dBm", sig);
+#endif
return buf;
}
@@ -600,7 +604,11 @@ static void print_scanlist(const struct
IWINFO_OPMODE_NAMES[e->mode],
format_channel(e->channel));
printf(" Signal: %s Quality: %s/%s\n",
+#ifdef USE_RTWIFI
+ format_signal(e->signal),
+#else
format_signal(e->signal - 0x100),
+#endif
format_quality(e->quality),
format_quality_max(e->quality_max));
printf(" Encryption: %s\n\n",
--- /dev/null
+++ b/iwinfo_rt_scan.c
@@ -0,0 +1,157 @@
+#include "iwinfo.h"
+#include "iwinfo_wext.h"
+
+struct survey_table
+{
+ char channel[4];
+ char ssid[33];
+ char len[4];
+ char bssid[20];
+ char security[23];
+ char *crypto;
+ char signal[9];
+};
+
+struct survey_table st[64];
+int survey_count = 0;
+
+#define RTPRIV_IOCTL_SET (SIOCIWFIRSTPRIV + 0x02)
+void iwpriv(const char *name, const char *key, const char *val)
+{
+ int socket_id;
+ struct iwreq wrq;
+ char data[64];
+ snprintf(data, 64, "%s=%s", key, val);
+ socket_id = socket(AF_INET, SOCK_DGRAM, 0);
+ strcpy(wrq.ifr_ifrn.ifrn_name, name);
+ wrq.u.data.length = strlen(data);
+ wrq.u.data.pointer = data;
+ wrq.u.data.flags = 0;
+ ioctl(socket_id, RTPRIV_IOCTL_SET, &wrq);
+ close(socket_id);
+}
+
+static void next_field(char **line, char *output, int n) {
+ char *l = *line;
+ int i;
+
+ memcpy(output, *line, n);
+ *line = &l[n];
+
+ for (i = n - 1; i > 0; i--) {
+ if (output[i] != ' ')
+ break;
+ output[i] = '\0';
+ }
+}
+
+#define RTPRIV_IOCTL_GSITESURVEY (SIOCIWFIRSTPRIV + 0x0D)
+void wifi_site_survey(const char *ifname, char* essid, int print)
+{
+ char *s = malloc(IW_SCAN_MAX_DATA);
+ int ret;
+ int socket_id;
+ struct iwreq wrq;
+ char *line, *start;
+ iwpriv(ifname, "SiteSurvey", (essid ? essid : ""));
+ sleep(5);
+ memset(s, 0x00, IW_SCAN_MAX_DATA);
+ strcpy(wrq.ifr_name, ifname);
+ wrq.u.data.length = IW_SCAN_MAX_DATA;
+ wrq.u.data.pointer = s;
+ wrq.u.data.flags = 0;
+ socket_id = socket(AF_INET, SOCK_DGRAM, 0);
+ ret = ioctl(socket_id, RTPRIV_IOCTL_GSITESURVEY, &wrq);
+ close(socket_id);
+ if(ret != 0)
+ goto out;
+ if(wrq.u.data.length < 1)
+ goto out;
+ /* ioctl result starts with a newline, for some reason */
+ start = s;
+ while (*start == '\n')
+ start++;
+ line = strtok((char *)start, "\n");
+ line = strtok(NULL, "\n");
+ survey_count = 0;
+ while(line && (survey_count < 64)) {
+ memset(&st[survey_count], 0, sizeof(st[survey_count]));
+
+ next_field(&line, st[survey_count].channel, sizeof(st->channel));
+ next_field(&line, st[survey_count].ssid, sizeof(st->ssid));
+ next_field(&line, st[survey_count].len, sizeof(st->len));
+ next_field(&line, st[survey_count].bssid, sizeof(st->bssid));
+ next_field(&line, st[survey_count].security, sizeof(st->security));
+ st[survey_count].crypto = strstr(st[survey_count].security, "/");
+ if (st[survey_count].crypto) {
+ *st[survey_count].crypto = '\0';
+ st[survey_count].crypto++;
+ if (print) printf("%s|%s|%s|%s\n",
+ st[survey_count].channel, st[survey_count].ssid, st[survey_count].bssid, st[survey_count].security);
+ }
+ next_field(&line, st[survey_count].signal, sizeof(st->signal));
+ line = strtok(NULL, "\n");
+
+ /* skip hidden ssid */
+ if (!strcmp(st[survey_count].len, "0")) {
+ continue;
+ }
+ survey_count++;
+ }
+ if (survey_count == 0 && !print)
+ printf("No results");
+out:
+ free(s);
+}
+
+/*struct survey_table
+{
+ char channel[4];
+ char ssid[33];
+ char bssid[20];
+ char security[23];
+ char *crypto;
+};
+*/
+
+int rt_get_scanlist(const char *ifname, char *buf, int *len)
+{
+ struct iwinfo_scanlist_entry *e = (struct iwinfo_scanlist_entry *) buf;
+ int i = 0;
+
+ survey_count = 0;
+
+ wifi_site_survey(ifname, NULL, 0);
+
+ for (i = 0; i < survey_count; i++) {
+ int j;
+ for (j = 0; j < 6; j++) {
+ e[i].mac[j] = (uint8_t) strtoul(&st[i].bssid[j * 3], NULL, 16);
+ }
+ strcpy(e[i].ssid, st[i].ssid);
+ e[i].channel = atoi(st[i].channel);
+ e[i].mode = IWINFO_OPMODE_MASTER;
+ e[i].signal = atoi(st[i].signal);
+ e[i].quality = atoi(st[i].signal);
+ e[i].quality_max = 100;
+ memset(&e[i].crypto, 0, sizeof(struct iwinfo_crypto_entry));
+ if (strstr(st[i].security, "WPA")) {
+ e[i].crypto.enabled = 1;
+ e[i].crypto.auth_suites |= IWINFO_KMGMT_PSK;
+ }
+ if (!st[i].crypto)
+ continue;
+ if (strstr(st[i].crypto, "TKIP"))
+ e[i].crypto.group_ciphers |= IWINFO_CIPHER_TKIP;
+ if (strstr(st[i].crypto, "AES"))
+ e[i].crypto.group_ciphers |= IWINFO_CIPHER_AESOCB;
+ if (strstr(st[i].security, "WPA2"))
+ e[i].crypto.wpa_version = 2;
+ else if (strstr(st[i].security, "WPA"))
+ e[i].crypto.wpa_version = 1;
+ }
+ *len = survey_count * sizeof(struct iwinfo_scanlist_entry);
+
+ return 0;
+}
+
--- a/iwinfo_wext.c
+++ b/iwinfo_wext.c
@@ -556,7 +556,11 @@ const struct iwinfo_ops wext_ops = {
.phyname = wext_get_phyname,
.assoclist = wext_get_assoclist,
.txpwrlist = wext_get_txpwrlist,
+#ifdef USE_RTWIFI
+ .scanlist = rt_get_scanlist,
+#else
.scanlist = wext_get_scanlist,
+#endif
.freqlist = wext_get_freqlist,
.countrylist = wext_get_countrylist,
.close = wext_close
--- a/iwinfo_wext.h
+++ b/iwinfo_wext.h
@@ -379,4 +379,8 @@ static const unsigned int standard_event
int wext_get_scanlist(const char *ifname, char *buf, int *len);
+#ifdef USE_RTWIFI
+int rt_get_scanlist(const char *ifname, char *buf, int *len);
+#endif
+
#endif