--- /dev/null
+--- 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
projects / thirdparty / openwrt.git / commitdiff
