diff options
| -rw-r--r-- | README.md | 2 | ||||
| -rw-r--r-- | config.def.h | 3 | ||||
| -rw-r--r-- | slstatus.c | 43 | ||||
| -rw-r--r-- | slstatus.h | 1 |
4 files changed, 46 insertions, 3 deletions
@@ -20,7 +20,7 @@ The following information is included: - ram numbers (free ram, percentage, total ram and used ram) - temperature - volume percentage (alsa) -- wifi percentage +- wifi percentage and essid Multiple entries per function are supported and everything can be reordered and customized via the C header file config.h (similar to DWM). diff --git a/config.def.h b/config.def.h index c9da314..5576936 100644 --- a/config.def.h +++ b/config.def.h @@ -32,7 +32,8 @@ static unsigned int update_interval = 1; - uid (uid of current user) [argument: NULL] - username (username of current user) [argument: NULL] - vol_perc (alsa volume and mute status in percent) [argument: soundcard] -- wifi_perc (wifi signal in percent) [argument: wifi card interface name] */ +- wifi_perc (wifi signal in percent) [argument: wifi card interface name] +- wifi_essid (wifi essid) [argument: wifi card interface name] */ static const struct arg args[] = { /* function format argument */ { wifi_perc, "wifi %4s | ", "wlp3s0" }, @@ -6,6 +6,7 @@ #include <fcntl.h> #include <ifaddrs.h> #include <limits.h> +#include <linux/wireless.h> #include <locale.h> #include <netdb.h> #include <pwd.h> @@ -13,10 +14,11 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <sys/types.h> +#include <sys/ioctl.h> #include <sys/stat.h> #include <sys/statvfs.h> #include <sys/socket.h> +#include <sys/types.h> #include <time.h> #include <unistd.h> #include <X11/Xlib.h> @@ -666,6 +668,45 @@ wifi_perc(const char *wificard) return smprintf("%d%%", strength); } +/* wifi essid */ +char * +wifi_essid(const char *wificard) +{ + char *id = malloc(IW_ESSID_MAX_SIZE+1); + if (id == NULL) { + fprintf(stderr, "Cannot get ESSID."); + return smprintf("n/a"); + } + int sockfd; + struct iwreq wreq; + + /* prepare */ + memset(&wreq, 0, sizeof(struct iwreq)); + wreq.u.essid.length = IW_ESSID_MAX_SIZE+1; + + /* set the interface */ + sprintf(wreq.ifr_name, wificard); + + /* check */ + if((sockfd = socket(AF_INET, SOCK_DGRAM, 0)) == -1) { + fprintf(stderr, "Cannot open socket for interface: %s\n", wificard); + return smprintf("n/a"); + } + wreq.u.essid.pointer = id; + if (ioctl(sockfd,SIOCGIWESSID, &wreq) == -1) { + fprintf(stderr, "Get ESSID ioctl failed for interface %s\n", wificard); + return smprintf("n/a"); + } + + /* return the essid */ + if (strcmp((char *)wreq.u.essid.pointer, "") == 0) { + return smprintf("n/a"); + } + else { + return smprintf("%s", (char *)wreq.u.essid.pointer); + } +} + /* main function */ int main(void) @@ -35,3 +35,4 @@ char *uid(const char*); char *username(const char*); char *vol_perc(const char *); char *wifi_perc(const char *); +char *wifi_essid(const char *); |