#include <sys/wait.h>

#include <err.h>
#include <spawn.h>
#include <unistd.h>

int
main(int argc, char **argv)
{
	char *ifname = argv[1];
	pid_t pid_ifconfig, pid_brconfig;
	int status;
	int ret = 0;

	if (ifname == NULL)
		errx(1, "missing ifname");
	if (posix_spawn(&pid_ifconfig, "/sbin/ifconfig", NULL, NULL,
		(char *const[]){"ifconfig", ifname, "up", NULL},
		NULL) == -1)
		err(1, "spawn ifconfig");
	if (posix_spawn(&pid_brconfig, "/sbin/brconfig", NULL, NULL,
		(char *const[]){"brconfig", "bridge0", "add", ifname, NULL},
		NULL) == -1)
		err(1, "spawn brconfig");
	if (waitpid(pid_ifconfig, &status, 0) == -1)
		err(1, "wait for ifconfig");
	if (WIFSIGNALED(status)) {
		warnx("ifconfig terminated on signal %d", WTERMSIG(status));
		ret = 1;
	}
	if (WIFEXITED(status) && WEXITSTATUS(status)) {
		warnx("ifconfig exited with status %d", WEXITSTATUS(status));
		ret = 1;
	}
	if (waitpid(pid_brconfig, &status, 0) == -1)
		err(1, "wait for brconfig");
	if (WIFSIGNALED(status)) {
		warnx("brconfig terminated on signal %d", WTERMSIG(status));
		ret = 1;
	}
	if (WIFEXITED(status) && WEXITSTATUS(status)) {
		warnx("brconfig exited with status %d", WEXITSTATUS(status));
		ret = 1;
	}
	return ret;
}