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commit 1fc5cf00166a5dfefa89c3d6abbe92fedaf71e27
parent c1f79d741a160ea17a110ca09b3deb705636ec4a
Author: Tobias Tschinkowitz <he4d@posteo.de>
Date:   Wed, 16 May 2018 22:37:43 +0200

added wifi functionality for openbsd

display ESSID and signal strength percentage

Diffstat:
Mcomponents/wifi.c | 76+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 75 insertions(+), 1 deletion(-)

diff --git a/components/wifi.c b/components/wifi.c @@ -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