/* See LICENSE file for copyright and license details. */
-#if defined(__linux__)
#include <errno.h>
#include <ifaddrs.h>
-#include <linux/wireless.h>
-#include <sys/socket.h>
#include <stdio.h>
-#include <limits.h>
#include <string.h>
#include <sys/ioctl.h>
+#include <sys/socket.h>
#include <unistd.h>
#include "../util.h"
-const char *
-wifi_perc(const char *iface)
-{
- int i, cur;
- float perc;
- int total = 70; /* the max of /proc/net/wireless */
- char *p, *datastart;
- char path[PATH_MAX];
- char status[5];
- FILE *fp;
-
- snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface, "/operstate");
- fp = fopen(path, "r");
- if (fp == NULL) {
- fprintf(stderr, "fopen '%s': %s\n", path, strerror(errno));
- return NULL;
- }
- p = fgets(status, 5, fp);
- fclose(fp);
- if(!p || strcmp(status, "up\n") != 0) {
- return NULL;
- }
+#if defined(__linux__)
+ #include <limits.h>
+ #include <linux/wireless.h>
- fp = fopen("/proc/net/wireless", "r");
- if (fp == NULL) {
- fprintf(stderr, "fopen '/proc/net/wireless': %s\n", strerror(errno));
- return NULL;
- }
+ const char *
+ wifi_perc(const char *iface)
+ {
+ int i, cur;
+ int total = 70; /* the max of /proc/net/wireless */
+ char *p, *datastart;
+ char path[PATH_MAX];
+ char status[5];
+ FILE *fp;
+
+ snprintf(path, sizeof(path), "%s%s%s", "/sys/class/net/", iface,
+ "/operstate");
+ if (!(fp = fopen(path, "r"))) {
+ fprintf(stderr, "fopen '%s': %s\n", path,
+ strerror(errno));
+ return NULL;
+ }
+ p = fgets(status, 5, fp);
+ fclose(fp);
+ if(!p || strcmp(status, "up\n") != 0) {
+ return NULL;
+ }
+
+ if (!(fp = fopen("/proc/net/wireless", "r"))) {
+ fprintf(stderr, "fopen '/proc/net/wireless': %s\n",
+ strerror(errno));
+ return NULL;
+ }
+
+ for (i = 0; i < 3; i++) {
+ if (!(p = fgets(buf, sizeof(buf) - 1, fp)))
+ break;
+ }
+ fclose(fp);
+ if (i < 2 || !p) {
+ return NULL;
+ }
+
+ if (!(datastart = strstr(buf, iface))) {
+ return NULL;
+ }
+
+ datastart = (datastart+(strlen(iface)+1));
+ sscanf(datastart + 1, " %*d %d %*d %*d\t\t %*d\t "
+ "%*d\t\t%*d\t\t %*d\t %*d\t\t %*d", &cur);
- for (i = 0; i < 3; i++) {
- if (!(p = fgets(buf, sizeof(buf) - 1, fp)))
- break;
+ return bprintf("%d", (int)((float)cur / total * 100));
}
- fclose(fp);
- if (i < 2 || !p)
- return NULL;
- if ((datastart = strstr(buf, iface)) == NULL)
- return NULL;
+ const char *
+ wifi_essid(const char *iface)
+ {
+ static char id[IW_ESSID_MAX_SIZE+1];
+ int sockfd;
+ struct iwreq wreq;
+
+ memset(&wreq, 0, sizeof(struct iwreq));
+ wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
+ snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ fprintf(stderr, "socket 'AF_INET': %s\n",
+ strerror(errno));
+ return NULL;
+ }
+ wreq.u.essid.pointer = id;
+ if (ioctl(sockfd,SIOCGIWESSID, &wreq) < 0) {
+ fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", strerror(errno));
+ close(sockfd);
+ return NULL;
+ }
- datastart = (datastart+(strlen(iface)+1));
- sscanf(datastart + 1, " %*d %d %*d %*d %*d %*d %*d %*d %*d %*d", &cur);
+ close(sockfd);
- perc = (float)cur / total * 100.0;
+ if (!strcmp(id, "")) {
+ return NULL;
+ }
- return bprintf("%.0f", perc);
-}
+ return id;
+ }
+#elif defined(__OpenBSD__)
+ #include <net/if.h>
+ #include <net/if_media.h>
+ #include <net80211/ieee80211.h>
+ #include <sys/select.h> /* before <sys/ieee80211_ioctl.h> for NBBY */
+ #include <net80211/ieee80211_ioctl.h>
+ #include <stdlib.h>
+ #include <sys/types.h>
-const char *
-wifi_essid(const char *iface)
-{
- static char id[IW_ESSID_MAX_SIZE+1];
- int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
- struct iwreq wreq;
+ static int
+ load_ieee80211_nodereq(const char *iface, struct ieee80211_nodereq *nr)
+ {
+ struct ieee80211_bssid bssid;
+ int sockfd;
- memset(&wreq, 0, sizeof(struct iwreq));
- wreq.u.essid.length = IW_ESSID_MAX_SIZE+1;
- snprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", iface);
+ memset(&bssid, 0, sizeof(bssid));
+ memset(nr, 0, sizeof(struct ieee80211_nodereq));
+ if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+ fprintf(stderr, "socket 'AF_INET': %s\n",
+ strerror(errno));
+ return 0;
+ }
+ strlcpy(bssid.i_name, iface, sizeof(bssid.i_name));
+ if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) < 0) {
+ fprintf(stderr, "ioctl 'SIOCG80211BSSID': %s\n",
+ strerror(errno));
+ close(sockfd);
+ return 0;
+ }
+ strlcpy(nr->nr_ifname, iface, sizeof(nr->nr_ifname));
+ memcpy(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
+ if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) {
+ fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n",
+ strerror(errno));
+ close(sockfd);
+ return 0;
+ }
- if (sockfd == -1) {
- fprintf(stderr, "socket 'AF_INET': %s\n", strerror(errno));
- return NULL;
+ return close(sockfd), 1;
}
- wreq.u.essid.pointer = id;
- if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) {
- fprintf(stderr, "ioctl 'SIOCGIWESSID': %s\n", strerror(errno));
- close(sockfd);
+
+ const char *
+ wifi_perc(const char *iface)
+ {
+ struct ieee80211_nodereq nr;
+ int q;
+
+ if (load_ieee80211_nodereq(iface, &nr)) {
+ if (nr.nr_max_rssi) {
+ q = IEEE80211_NODEREQ_RSSI(&nr);
+ } else {
+ q = nr.nr_rssi >= -50 ? 100 : (nr.nr_rssi <= -100 ? 0 :
+ (2 * (nr.nr_rssi + 100)));
+ }
+ return bprintf("%d", q);
+ }
+
return NULL;
}
- close(sockfd);
+ const char *
+ wifi_essid(const char *iface)
+ {
+ struct ieee80211_nodereq nr;
+
+ if (load_ieee80211_nodereq(iface, &nr)) {
+ return bprintf("%s", nr.nr_nwid);
+ }
- if (strcmp(id, "") == 0)
return NULL;
- else
- return id;
-}
+ }
#endif