diff options
Diffstat (limited to 'slstatuso/components/wifi.c')
| -rwxr-xr-x | slstatuso/components/wifi.c | 267 |
1 files changed, 0 insertions, 267 deletions
diff --git a/slstatuso/components/wifi.c b/slstatuso/components/wifi.c deleted file mode 100755 index 4543d32..0000000 --- a/slstatuso/components/wifi.c +++ /dev/null @@ -1,267 +0,0 @@ -/* See LICENSE file for copyright and license details. */ -#include <ifaddrs.h> -#include <stdio.h> -#include <string.h> -#include <sys/ioctl.h> -#include <sys/socket.h> -#include <unistd.h> - -#include "../slstatus.h" -#include "../util.h" - -#define RSSI_TO_PERC(rssi) \ - rssi >= -50 ? 100 : \ - (rssi <= -100 ? 0 : \ - (2 * (rssi + 100))) - -#if defined(__linux__) - #include <limits.h> - #include <linux/wireless.h> - - #define NET_OPERSTATE "/sys/class/net/%s/operstate" - - const char * - wifi_perc(const char *interface) - { - int cur; - size_t i; - char *p, *datastart; - char path[PATH_MAX]; - char status[5]; - FILE *fp; - - if (esnprintf(path, sizeof(path), NET_OPERSTATE, interface) < 0) - return NULL; - if (!(fp = fopen(path, "r"))) { - warn("fopen '%s':", path); - 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"))) { - warn("fopen '/proc/net/wireless':"); - 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, interface))) - return NULL; - - datastart = (datastart+(strlen(interface)+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); - - /* 70 is the max of /proc/net/wireless */ - return bprintf("%d", (int)((float)cur / 70 * 100)); - } - - const char * - wifi_essid(const char *interface) - { - 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; - if (esnprintf(wreq.ifr_name, sizeof(wreq.ifr_name), "%s", - interface) < 0) - return NULL; - - if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - warn("socket 'AF_INET':"); - return NULL; - } - wreq.u.essid.pointer = id; - if (ioctl(sockfd,SIOCGIWESSID, &wreq) < 0) { - warn("ioctl 'SIOCGIWESSID':"); - close(sockfd); - return NULL; - } - - close(sockfd); - - if (!strcmp(id, "")) - return NULL; - - 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> - - static int - load_ieee80211_nodereq(const char *interface, struct ieee80211_nodereq *nr) - { - struct ieee80211_bssid bssid; - int sockfd; - uint8_t zero_bssid[IEEE80211_ADDR_LEN]; - - memset(&bssid, 0, sizeof(bssid)); - memset(nr, 0, sizeof(struct ieee80211_nodereq)); - if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - warn("socket 'AF_INET':"); - return 0; - } - strlcpy(bssid.i_name, interface, sizeof(bssid.i_name)); - if ((ioctl(sockfd, SIOCG80211BSSID, &bssid)) < 0) { - warn("ioctl 'SIOCG80211BSSID':"); - close(sockfd); - return 0; - } - memset(&zero_bssid, 0, sizeof(zero_bssid)); - if (memcmp(bssid.i_bssid, zero_bssid, - IEEE80211_ADDR_LEN) == 0) { - close(sockfd); - return 0; - } - strlcpy(nr->nr_ifname, interface, sizeof(nr->nr_ifname)); - memcpy(&nr->nr_macaddr, bssid.i_bssid, sizeof(nr->nr_macaddr)); - if ((ioctl(sockfd, SIOCG80211NODE, nr)) < 0 && nr->nr_rssi) { - warn("ioctl 'SIOCG80211NODE':"); - close(sockfd); - return 0; - } - - return close(sockfd), 1; - } - - const char * - wifi_perc(const char *interface) - { - struct ieee80211_nodereq nr; - int q; - - if (load_ieee80211_nodereq(interface, &nr)) { - if (nr.nr_max_rssi) - q = IEEE80211_NODEREQ_RSSI(&nr); - else - q = RSSI_TO_PERC(nr.nr_rssi); - - return bprintf("%d", q); - } - - return NULL; - } - - const char * - wifi_essid(const char *interface) - { - struct ieee80211_nodereq nr; - - if (load_ieee80211_nodereq(interface, &nr)) - return bprintf("%s", nr.nr_nwid); - - return NULL; - } -#elif defined(__FreeBSD__) - #include <net/if.h> - #include <net80211/ieee80211_ioctl.h> - - int - load_ieee80211req(int sock, const char *interface, void *data, int type, size_t *len) - { - char warn_buf[256]; - struct ieee80211req ireq; - memset(&ireq, 0, sizeof(ireq)); - ireq.i_type = type; - ireq.i_data = (caddr_t) data; - ireq.i_len = *len; - - strlcpy(ireq.i_name, interface, sizeof(ireq.i_name)); - if (ioctl(sock, SIOCG80211, &ireq) < 0) { - snprintf(warn_buf, sizeof(warn_buf), - "ioctl: 'SIOCG80211': %d", type); - warn(warn_buf); - return 0; - } - - *len = ireq.i_len; - return 1; - } - - const char * - wifi_perc(const char *interface) - { - union { - struct ieee80211req_sta_req sta; - uint8_t buf[24 * 1024]; - } info; - uint8_t bssid[IEEE80211_ADDR_LEN]; - int rssi_dbm; - int sockfd; - size_t len; - const char *fmt; - - if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - warn("socket 'AF_INET':"); - return NULL; - } - - /* Retreive MAC address of interface */ - len = IEEE80211_ADDR_LEN; - fmt = NULL; - if (load_ieee80211req(sockfd, interface, &bssid, IEEE80211_IOC_BSSID, &len)) - { - /* Retrieve info on station with above BSSID */ - memset(&info, 0, sizeof(info)); - memcpy(info.sta.is_u.macaddr, bssid, sizeof(bssid)); - - len = sizeof(info); - if (load_ieee80211req(sockfd, interface, &info, IEEE80211_IOC_STA_INFO, &len)) { - rssi_dbm = info.sta.info[0].isi_noise + - info.sta.info[0].isi_rssi / 2; - - fmt = bprintf("%d", RSSI_TO_PERC(rssi_dbm)); - } - } - - close(sockfd); - return fmt; - } - - const char * - wifi_essid(const char *interface) - { - char ssid[IEEE80211_NWID_LEN + 1]; - size_t len; - int sockfd; - const char *fmt; - - if ((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - warn("socket 'AF_INET':"); - return NULL; - } - - fmt = NULL; - len = sizeof(ssid); - memset(&ssid, 0, len); - if (load_ieee80211req(sockfd, interface, &ssid, IEEE80211_IOC_SSID, &len)) { - if (len < sizeof(ssid)) - len += 1; - else - len = sizeof(ssid); - - ssid[len - 1] = '\0'; - fmt = bprintf("%s", ssid); - } - - close(sockfd); - return fmt; - } -#endif |