/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2013, 2018 The FreeBSD Foundation
 *
 * This software was developed by Pawel Jakub Dawidek under sponsorship from
 * the FreeBSD Foundation.
 *
 * Portions of this software were developed by Mark Johnston
 * under sponsorship from the FreeBSD Foundation.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */

#include <sys/types.h>
#include <sys/capsicum.h>
#include <sys/sysctl.h>
#include <sys/nv.h>

#include <assert.h>
#include <err.h>
#include <errno.h>
#include <netdb.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>

#include <libcasper.h>
#include <casper/cap_sysctl.h>

#include <atf-c.h>

/*
 * We need some sysctls to perform the tests on.
 * We remember their values and restore them afer the test is done.
 */
#define SYSCTL0_PARENT  "kern"
#define SYSCTL0_NAME    "kern.sync_on_panic"
#define SYSCTL0_FILE    "./sysctl0"
#define SYSCTL1_PARENT  "debug"
#define SYSCTL1_NAME    "debug.minidump"
#define SYSCTL1_FILE    "./sysctl1"

#define SYSCTL0_READ0           0x0001
#define SYSCTL0_READ1           0x0002
#define SYSCTL0_READ2           0x0004
#define SYSCTL0_WRITE           0x0008
#define SYSCTL0_READ_WRITE      0x0010
#define SYSCTL1_READ0           0x0020
#define SYSCTL1_READ1           0x0040
#define SYSCTL1_READ2           0x0080
#define SYSCTL1_WRITE           0x0100
#define SYSCTL1_READ_WRITE      0x0200

static void
save_int_sysctl(const char *name, const char *file)
{
        ssize_t n;
        size_t sz;
        int error, fd, val;

        sz = sizeof(val);
        error = sysctlbyname(name, &val, &sz, NULL, 0);
        ATF_REQUIRE_MSG(error == 0,
            "sysctlbyname(%s): %s", name, strerror(errno));

        fd = open(file, O_CREAT | O_WRONLY, 0600);
        ATF_REQUIRE_MSG(fd >= 0, "open(%s): %s", file, strerror(errno));
        n = write(fd, &val, sz);
        ATF_REQUIRE(n >= 0 && (size_t)n == sz);
        error = close(fd);
        ATF_REQUIRE(error == 0);
}

static void
restore_int_sysctl(const char *name, const char *file)
{
        ssize_t n;
        size_t sz;
        int error, fd, val;

        fd = open(file, O_RDONLY);
        ATF_REQUIRE(fd >= 0);
        sz = sizeof(val);
        n = read(fd, &val, sz);
        ATF_REQUIRE(n >= 0 && (size_t)n == sz);
        error = unlink(file);
        ATF_REQUIRE(error == 0);
        error = close(fd);
        ATF_REQUIRE(error == 0);

        error = sysctlbyname(name, NULL, NULL, &val, sz);
        ATF_REQUIRE_MSG(error == 0,
            "sysctlbyname(%s): %s", name, strerror(errno));
}

static cap_channel_t *
initcap(void)
{
        cap_channel_t *capcas, *capsysctl;

        save_int_sysctl(SYSCTL0_NAME, SYSCTL0_FILE);
        save_int_sysctl(SYSCTL1_NAME, SYSCTL1_FILE);

        capcas = cap_init();
        ATF_REQUIRE(capcas != NULL);

        capsysctl = cap_service_open(capcas, "system.sysctl");
        ATF_REQUIRE(capsysctl != NULL);

        cap_close(capcas);

        return (capsysctl);
}

static void
cleanup(void)
{

        restore_int_sysctl(SYSCTL0_NAME, SYSCTL0_FILE);
        restore_int_sysctl(SYSCTL1_NAME, SYSCTL1_FILE);
}

static unsigned int
checkcaps(cap_channel_t *capsysctl)
{
        unsigned int result;
        size_t len0, len1, oldsize;
        int error, mib0[2], mib1[2], oldvalue, newvalue;

        result = 0;

        len0 = nitems(mib0);
        ATF_REQUIRE(sysctlnametomib(SYSCTL0_NAME, mib0, &len0) == 0);
        len1 = nitems(mib1);
        ATF_REQUIRE(sysctlnametomib(SYSCTL1_NAME, mib1, &len1) == 0);

        oldsize = sizeof(oldvalue);
        if (cap_sysctlbyname(capsysctl, SYSCTL0_NAME, &oldvalue, &oldsize,
            NULL, 0) == 0) {
                if (oldsize == sizeof(oldvalue))
                        result |= SYSCTL0_READ0;
        }
        error = cap_sysctl(capsysctl, mib0, len0, &oldvalue, &oldsize, NULL, 0);
        if ((result & SYSCTL0_READ0) != 0)
                ATF_REQUIRE(error == 0);
        else
                ATF_REQUIRE_ERRNO(ENOTCAPABLE, error != 0);

        newvalue = 123;
        if (cap_sysctlbyname(capsysctl, SYSCTL0_NAME, NULL, NULL, &newvalue,
            sizeof(newvalue)) == 0) {
                result |= SYSCTL0_WRITE;
        }

        if ((result & SYSCTL0_WRITE) != 0) {
                oldsize = sizeof(oldvalue);
                if (cap_sysctlbyname(capsysctl, SYSCTL0_NAME, &oldvalue,
                    &oldsize, NULL, 0) == 0) {
                        if (oldsize == sizeof(oldvalue) && oldvalue == 123)
                                result |= SYSCTL0_READ1;
                }
        }
        newvalue = 123;
        error = cap_sysctl(capsysctl, mib0, len0, NULL, NULL,
            &newvalue, sizeof(newvalue));
        if ((result & SYSCTL0_WRITE) != 0)
                ATF_REQUIRE(error == 0);
        else
                ATF_REQUIRE_ERRNO(ENOTCAPABLE, error != 0);

        oldsize = sizeof(oldvalue);
        newvalue = 4567;
        if (cap_sysctlbyname(capsysctl, SYSCTL0_NAME, &oldvalue, &oldsize,
            &newvalue, sizeof(newvalue)) == 0) {
                if (oldsize == sizeof(oldvalue) && oldvalue == 123)
                        result |= SYSCTL0_READ_WRITE;
        }

        if ((result & SYSCTL0_READ_WRITE) != 0) {
                oldsize = sizeof(oldvalue);
                if (cap_sysctlbyname(capsysctl, SYSCTL0_NAME, &oldvalue,
                    &oldsize, NULL, 0) == 0) {
                        if (oldsize == sizeof(oldvalue) && oldvalue == 4567)
                                result |= SYSCTL0_READ2;
                }
        }

        oldsize = sizeof(oldvalue);
        if (cap_sysctlbyname(capsysctl, SYSCTL1_NAME, &oldvalue, &oldsize,
            NULL, 0) == 0) {
                if (oldsize == sizeof(oldvalue))
                        result |= SYSCTL1_READ0;
        }
        error = cap_sysctl(capsysctl, mib1, len1, &oldvalue, &oldsize, NULL, 0);
        if ((result & SYSCTL1_READ0) != 0)
                ATF_REQUIRE(error == 0);
        else
                ATF_REQUIRE_ERRNO(ENOTCAPABLE, error != 0);

        newvalue = 506;
        if (cap_sysctlbyname(capsysctl, SYSCTL1_NAME, NULL, NULL, &newvalue,
            sizeof(newvalue)) == 0) {
                result |= SYSCTL1_WRITE;
        }

        if ((result & SYSCTL1_WRITE) != 0) {
                newvalue = 506;
                ATF_REQUIRE(cap_sysctl(capsysctl, mib1, len1, NULL, NULL,
                    &newvalue, sizeof(newvalue)) == 0);

                oldsize = sizeof(oldvalue);
                if (cap_sysctlbyname(capsysctl, SYSCTL1_NAME, &oldvalue,
                    &oldsize, NULL, 0) == 0) {
                        if (oldsize == sizeof(oldvalue) && oldvalue == 506)
                                result |= SYSCTL1_READ1;
                }
        }
        newvalue = 506;
        error = cap_sysctl(capsysctl, mib1, len1, NULL, NULL,
            &newvalue, sizeof(newvalue));
        if ((result & SYSCTL1_WRITE) != 0)
                ATF_REQUIRE(error == 0);
        else
                ATF_REQUIRE_ERRNO(ENOTCAPABLE, error != 0);

        oldsize = sizeof(oldvalue);
        newvalue = 7008;
        if (cap_sysctlbyname(capsysctl, SYSCTL1_NAME, &oldvalue, &oldsize,
            &newvalue, sizeof(newvalue)) == 0) {
                if (oldsize == sizeof(oldvalue) && oldvalue == 506)
                        result |= SYSCTL1_READ_WRITE;
        }

        if ((result & SYSCTL1_READ_WRITE) != 0) {
                oldsize = sizeof(oldvalue);
                if (cap_sysctlbyname(capsysctl, SYSCTL1_NAME, &oldvalue,
                    &oldsize, NULL, 0) == 0) {
                        if (oldsize == sizeof(oldvalue) && oldvalue == 7008)
                                result |= SYSCTL1_READ2;
                }
        }

        return (result);
}

ATF_TC_WITH_CLEANUP(cap_sysctl__operation);
ATF_TC_HEAD(cap_sysctl__operation, tc)
{
}
ATF_TC_BODY(cap_sysctl__operation, tc)
{
        cap_channel_t *capsysctl, *ocapsysctl;
        void *limit;

        ocapsysctl = initcap();

        /*
         * Allow:
         * SYSCTL0_PARENT/RDWR/RECURSIVE
         * SYSCTL1_PARENT/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, "foo.bar",
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, "foo.bar",
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL0_READ0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/RDWR/RECURSIVE
         * SYSCTL1_NAME/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/RDWR
         * SYSCTL1_PARENT/RDWR
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/RDWR
         * SYSCTL1_NAME/RDWR
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/RDWR
         * SYSCTL1_PARENT/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL1_READ0 | SYSCTL1_READ1 |
            SYSCTL1_READ2 | SYSCTL1_WRITE | SYSCTL1_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/RDWR
         * SYSCTL1_NAME/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ/RECURSIVE
         * SYSCTL1_PARENT/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_READ0));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ/RECURSIVE
         * SYSCTL1_NAME/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_READ0));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ
         * SYSCTL1_PARENT/READ
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ
         * SYSCTL1_NAME/READ
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_READ0));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ
         * SYSCTL1_PARENT/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_READ0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ
         * SYSCTL1_NAME/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_READ0));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/WRITE/RECURSIVE
         * SYSCTL1_PARENT/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_WRITE | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/WRITE/RECURSIVE
         * SYSCTL1_NAME/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_WRITE | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/WRITE
         * SYSCTL1_PARENT/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/WRITE
         * SYSCTL1_NAME/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_WRITE | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/WRITE
         * SYSCTL1_PARENT/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_WRITE);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/WRITE
         * SYSCTL1_NAME/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_WRITE | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ/RECURSIVE
         * SYSCTL1_PARENT/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ/RECURSIVE
         * SYSCTL1_NAME/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ
         * SYSCTL1_PARENT/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ
         * SYSCTL1_NAME/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ
         * SYSCTL1_PARENT/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_WRITE);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_NAME/READ
         * SYSCTL1_NAME/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL1_WRITE));

        cap_close(capsysctl);
}
ATF_TC_CLEANUP(cap_sysctl__operation, tc)
{
        cleanup();
}

ATF_TC_WITH_CLEANUP(cap_sysctl__names);
ATF_TC_HEAD(cap_sysctl__names, tc)
{
}
ATF_TC_BODY(cap_sysctl__names, tc)
{
        cap_channel_t *capsysctl, *ocapsysctl;
        void *limit;

        ocapsysctl = initcap();

        /*
         * Allow:
         * SYSCTL0_PARENT/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL0_READ0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/READ/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_READ | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_READ0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL0_WRITE);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/WRITE/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_WRITE | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_WRITE);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/RDWR/RECURSIVE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME,
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL1_READ0 | SYSCTL1_READ1 |
            SYSCTL1_READ2 | SYSCTL1_WRITE | SYSCTL1_READ_WRITE));

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/READ
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/READ
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_READ);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_READ0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/WRITE
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_WRITE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == SYSCTL1_WRITE);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL0_PARENT/RDWR
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_PARENT, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_PARENT, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == 0);

        cap_close(capsysctl);

        /*
         * Allow:
         * SYSCTL1_NAME/RDWR
         */

        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        (void)cap_sysctl_limit_name(limit, SYSCTL1_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);
        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, SYSCTL0_NAME, CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == -1 && errno == ENOTCAPABLE);

        ATF_REQUIRE(checkcaps(capsysctl) == (SYSCTL1_READ0 | SYSCTL1_READ1 |
            SYSCTL1_READ2 | SYSCTL1_WRITE | SYSCTL1_READ_WRITE));

        cap_close(capsysctl);
}
ATF_TC_CLEANUP(cap_sysctl__names, tc)
{
        cleanup();
}

ATF_TC_WITH_CLEANUP(cap_sysctl__no_limits);
ATF_TC_HEAD(cap_sysctl__no_limits, tc)
{
}
ATF_TC_BODY(cap_sysctl__no_limits, tc)
{
        cap_channel_t *capsysctl;

        capsysctl = initcap();

        ATF_REQUIRE_EQ(checkcaps(capsysctl), (SYSCTL0_READ0 | SYSCTL0_READ1 |
            SYSCTL0_READ2 | SYSCTL0_WRITE | SYSCTL0_READ_WRITE |
            SYSCTL1_READ0 | SYSCTL1_READ1 | SYSCTL1_READ2 | SYSCTL1_WRITE |
            SYSCTL1_READ_WRITE));
}
ATF_TC_CLEANUP(cap_sysctl__no_limits, tc)
{
        cleanup();
}

ATF_TC_WITH_CLEANUP(cap_sysctl__recursive_limits);
ATF_TC_HEAD(cap_sysctl__recursive_limits, tc)
{
}
ATF_TC_BODY(cap_sysctl__recursive_limits, tc)
{
        cap_channel_t *capsysctl, *ocapsysctl;
        void *limit;
        size_t len;
        int mib[2], val = 420;

        len = nitems(mib);
        ATF_REQUIRE(sysctlnametomib(SYSCTL0_NAME, mib, &len) == 0);

        ocapsysctl = initcap();

        /*
         * Make sure that we match entire components.
         */
        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, "ker",
            CAP_SYSCTL_RDWR | CAP_SYSCTL_RECURSIVE);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE_ERRNO(ENOTCAPABLE, cap_sysctlbyname(capsysctl, SYSCTL0_NAME,
            NULL, NULL, &val, sizeof(val)));
        ATF_REQUIRE_ERRNO(ENOTCAPABLE, cap_sysctl(capsysctl, mib, len,
            NULL, NULL, &val, sizeof(val)));

        cap_close(capsysctl);

        /*
         * Verify that we check for CAP_SYSCTL_RECURSIVE.
         */
        capsysctl = cap_clone(ocapsysctl);
        ATF_REQUIRE(capsysctl != NULL);

        limit = cap_sysctl_limit_init(capsysctl);
        (void)cap_sysctl_limit_name(limit, "kern", CAP_SYSCTL_RDWR);
        ATF_REQUIRE(cap_sysctl_limit(limit) == 0);

        ATF_REQUIRE_ERRNO(ENOTCAPABLE, cap_sysctlbyname(capsysctl, SYSCTL0_NAME,
            NULL, NULL, &val, sizeof(val)));
        ATF_REQUIRE_ERRNO(ENOTCAPABLE, cap_sysctl(capsysctl, mib, len,
            NULL, NULL, &val, sizeof(val)));

        cap_close(capsysctl);
}
ATF_TC_CLEANUP(cap_sysctl__recursive_limits, tc)
{
        cleanup();
}

ATF_TC_WITH_CLEANUP(cap_sysctl__just_size);
ATF_TC_HEAD(cap_sysctl__just_size, tc)
{
}
ATF_TC_BODY(cap_sysctl__just_size, tc)
{
        cap_channel_t *capsysctl;
        size_t len;
        int mib0[2];

        capsysctl = initcap();

        len = nitems(mib0);
        ATF_REQUIRE(sysctlnametomib(SYSCTL0_NAME, mib0, &len) == 0);

        ATF_REQUIRE(cap_sysctlbyname(capsysctl, SYSCTL0_NAME,
            NULL, &len, NULL, 0) == 0);
        ATF_REQUIRE(len == sizeof(int));
        ATF_REQUIRE(cap_sysctl(capsysctl, mib0, nitems(mib0),
            NULL, &len, NULL, 0) == 0);
        ATF_REQUIRE(len == sizeof(int));

        cap_close(capsysctl);
}
ATF_TC_CLEANUP(cap_sysctl__just_size, tc)
{
        cleanup();
}

ATF_TP_ADD_TCS(tp)
{
        ATF_TP_ADD_TC(tp, cap_sysctl__operation);
        ATF_TP_ADD_TC(tp, cap_sysctl__names);
        ATF_TP_ADD_TC(tp, cap_sysctl__no_limits);
        ATF_TP_ADD_TC(tp, cap_sysctl__recursive_limits);
        ATF_TP_ADD_TC(tp, cap_sysctl__just_size);

        return (atf_no_error());
}