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/* $OpenBSD: actions.c,v 1.2 2015/08/24 09:23:04 semarie Exp $ */
/*
* Copyright (c) 2015 Sebastien Marie <semarie@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/resource.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/tame.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdarg.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "actions.h"
int
execute_action(action_t action, va_list opts)
{
errno = 0;
switch (action) {
case AC_EXIT:
/* should be catched by manager.c (before been here) */
_exit(ENOTSUP);
/* NOTREACHED */
case AC_KILL:
kill(0, SIGINT);
break;
case AC_INET:
socket(AF_INET, SOCK_STREAM, 0);
break;
case AC_TAME:
tame(va_arg(opts, int), NULL);
break;
case AC_ALLOWED_SYSCALLS:
clock_getres(CLOCK_MONOTONIC, NULL);
clock_gettime(CLOCK_MONOTONIC, NULL);
/* fchdir(); */
getdtablecount();
getegid();
geteuid();
getgid();
getgroups(0, NULL);
getitimer(ITIMER_REAL, NULL);
getlogin();
getpgid(0);
getpgrp();
getpid();
getppid();
/* getresgid(); */
/* getresuid(); */
{ struct rlimit rl; getrlimit(RLIMIT_CORE, &rl); }
getsid(0);
getthrid();
{ struct timeval tp; gettimeofday(&tp, NULL); }
getuid();
geteuid();
issetugid();
/* nanosleep(); */
/* sigreturn(); */
umask(0000);
/* wait4(); */
break;
case AC_OPENFILE_RDONLY:
{
const char *filename = va_arg(opts, const char *);
int fd = open(filename, O_RDONLY);
if (fd != -1)
close(fd);
}
break;
}
return (errno);
}
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