#include <iostream>
#include <sstream>
#include <stdlib.h>

using namespace std;

void usage(const string& argv0)
{
    cout << "Usage: " << argv0 << " (freeradius|dnsmasq)" << endl;
}

int main(int argc, char *argv[])
{
    if (argc < 2) {
        usage(argv[0]);
        return 0;
    }

    string argv1 { argv[1] };

    // We're setuid, prevent people from abusing this
    if (argv1 != "freeradius" && argv1 != "dnsmasq") {
        usage(argv[0]);
        return 1;
    }

    ostringstream s;
    s << "pkill -HUP " << argv1;
    system(s.str().c_str());
}