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

#define ACMETOOL_BINDIR  "@l_prefix@/bin"
#define ACMETOOL_SBINDIR "@l_prefix@/sbin"
#define ACMETOOL_BIN     "@l_prefix@/libexec/acmetool/acmetool"

int main(int argn, char **argv)
{
    static char *env[] = {
        "PATH=/bin:/usr/bin:/sbin:/usr/sbin:" ACMETOOL_BINDIR ":" ACMETOOL_SBINDIR,
        NULL,
        NULL
    };
    if (setuid(geteuid()) == -1) {
        perror("setuid");
        exit(1);
    }
    if (setgid(getegid()) == -1) {
        perror("setgid");
        exit(1);
    }
    char *term;
    if ((term = getenv("TERM")) == NULL)
        term = "vt100";
    env[1] = malloc(strlen("TERM=") + strlen(term) + 1);
    strcpy(env[1], term);
    argv[0] = ACMETOOL_BIN;
    if (execve(argv[0], argv, env) == -1)
        abort();
    return 0;
}