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added wifi functionality for openbsd

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display ESSID and signal strength percentage
This commit is contained in:
Tobias Tschinkowitz 2018-05-16 22:37:43 +02:00 committed by Aaron Marcher
parent c1f79d741a
commit 1fc5cf0016
1 changed files with 75 additions and 1 deletions
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76
components/wifi.c
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@ -93,5 +93,79 @@
return id;
}
#elif defined(__OpenBSD__)
/* unimplemented */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <ifaddrs.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <net/if_media.h>
#include <net80211/ieee80211.h>
#include <net80211/ieee80211_ioctl.h>
#include "../util.h"
static int
load_ieee80211_nodereq(const char *iface, struct ieee80211_nodereq *nr)
{
struct ieee80211_bssid bssid;
int sockfd;
memset(&bssid, 0, sizeof(bssid);
memset(nr, 0, sizeof(struct ieee80211_nodereq));
if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) {
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)) == -1) {
fprintf(stderr, "ioctl 'SIOCG80211BSSID': %s\n",
strerror(errno));
close(sockfd);
return 0;
}
strlcpy(nr->nr_ifname, iface, sizeof(nr->nr_ifname));
memmove(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr));
if ((ioctl(sockfd, SIOCG80211NODE, nr)) == -1 && nr->nr_rssi) {
fprintf(stderr, "ioctl 'SIOCG80211NODE': %s\n",
strerror(errno));
close(sockfd);
return 0;
}
return close(sockfd), 1;
}
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;
}
const char *
wifi_essid(const char *iface)
{
struct ieee80211_nodereq nr;
if (load_ieee80211_nodereq(iface, &nr)) {
return bprintf("%s", nr.nr_nwid);
}
return NULL;
}
#endif