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alcove

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Control plane for Unix processes, containers and sandboxes

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alcove c_src sys cap_constant.c
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c_src/sys/cap_constant.c 

/* Copyright (c) 2015-2020, Michael Santos <michael.santos@gmail.com>

 *

 * Permission to use, copy, modify, and/or 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 "alcove.h"

#include "alcove_call.h"



#ifdef __FreeBSD__

#include <sys/capsicum.h>



#include "alcove_cap_constants.h"

#endif



/*

 * cap_(rights|fcntl|ioctl)_limit flags

 *

 */

ssize_t alcove_sys_cap_constant(alcove_state_t *ap, const char *arg, size_t len,

                                char *reply, size_t rlen) {

#ifdef __FreeBSD__

  int index = 0;

  int rindex = 0;



  char flag[MAXATOMLEN] = {0};



  UNUSED(ap);



  /* flag */

  if (alcove_decode_atom(arg, len, &index, flag) < 0)

    return -1;



  ALCOVE_ERR(alcove_encode_version(reply, rlen, &rindex));

  ALCOVE_ERR(

      alcove_encode_constant(reply, rlen, &rindex, flag, alcove_cap_constants));



  return rindex;

#else

  UNUSED(ap);

  UNUSED(arg);

  UNUSED(len);



  return alcove_mk_atom(reply, rlen, "undef");

#endif

}