#include <stdio.h>
#include <unistd.h>
#include <string.h>

#define BUFSIZE 128

int main() {
    int i;
    unsigned int val;
    int slpsec = 3600;
    
    char buf[BUFSIZE+1];
    
    FILE *f = fopen("/etc/sshsleeper.conf", "r");
    if (f) {
	while (fgets(buf, BUFSIZE, f)) {
		// check if we are facing a long string
	    if (strlen(buf) >= BUFSIZE) {
		while ((fgets(buf, BUFSIZE, f))&&(strlen(buf) >= BUFSIZE));
	    }
	    
	    for (i = 0; buf[i] == ' '; i++);
	    if (strncmp(buf, "duration", 8)) continue;
	    for (i += 8; buf[i] == ' '; i++);
	    if (sscanf(buf + i, "%u", &val) != 1) continue;
	    
	    if (val > 0) {
		slpsec = val;
		break;
	    }
		
	}
	fclose(f);
    }
    
    printf("Sleeping for %u seconds\n", slpsec);
    sleep(slpsec);
}