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📄 Makefile(195 B)
📄 net_test.c(37.12 KB)

Editing: net_test.c

/*-
 * Copyright (c) 2020 Mariusz Zaborski <oshogbo@FreeBSD.org>
 *
 * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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/cdefs.h>
__FBSDID("$FreeBSD$");

#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>

#include <errno.h>
#include <netdb.h>

#include <atf-c.h>

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

#define	TEST_DOMAIN_0	"example.com"
#define	TEST_DOMAIN_1	"freebsd.org"
#define	TEST_IPV4	"1.1.1.1"
#define	TEST_IPV6	"2001:4860:4860::8888"
#define	TEST_BIND_IPV4	"127.0.0.1"

static cap_channel_t *
create_network_service(void)
{
	cap_channel_t *capcas, *capnet;

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

capnet = cap_service_open(capcas, "system.net");
	ATF_REQUIRE(capnet != NULL);

cap_close(capcas);
	return (capnet);
}

static int
test_getnameinfo_v4(cap_channel_t *chan, int family, const char *ip)
{
	struct sockaddr_in ipaddr;
	char capfn[MAXHOSTNAMELEN];
	char origfn[MAXHOSTNAMELEN];
	int ret;

memset(&ipaddr, 0, sizeof(ipaddr));
	ipaddr.sin_family = family;
	inet_pton(family, ip, &ipaddr.sin_addr);

ret = cap_getnameinfo(chan, (struct sockaddr *)&ipaddr, sizeof(ipaddr),
	    capfn, sizeof(capfn), NULL, 0, NI_NAMEREQD);
	if (ret != 0) {
		return (ret);
	}

ret = getnameinfo((struct sockaddr *)&ipaddr, sizeof(ipaddr), origfn,
	    sizeof(origfn), NULL, 0, NI_NAMEREQD);
	ATF_REQUIRE(ret == 0);
	ATF_REQUIRE(strcmp(origfn, capfn) == 0);

return (0);
}

static int
test_getnameinfo_v6(cap_channel_t *chan, const char *ip)
{
	struct sockaddr_in6 ipaddr;
	char capfn[MAXHOSTNAMELEN];
	char origfn[MAXHOSTNAMELEN];
	int ret;

memset(&ipaddr, 0, sizeof(ipaddr));
	ipaddr.sin6_family = AF_INET6;
	inet_pton(AF_INET6, ip, &ipaddr.sin6_addr);

ret = cap_getnameinfo(chan, (struct sockaddr *)&ipaddr, sizeof(ipaddr),
	    capfn, sizeof(capfn), NULL, 0, NI_NAMEREQD);
	if (ret != 0) {
		return (ret);
	}

ret = getnameinfo((struct sockaddr *)&ipaddr, sizeof(ipaddr), origfn,
	    sizeof(origfn), NULL, 0, NI_NAMEREQD);
	ATF_REQUIRE(ret == 0);
	ATF_REQUIRE(strcmp(origfn, capfn) == 0);

return (0);
}

static int
test_getnameinfo(cap_channel_t *chan, int family, const char *ip)
{

if (family == AF_INET6) {
		return (test_getnameinfo_v6(chan, ip));
	}

return (test_getnameinfo_v4(chan, family, ip));
}

static int
test_gethostbyaddr_v4(cap_channel_t *chan, int family, const char *ip)
{
	struct in_addr ipaddr;
	struct hostent *caphp, *orighp;

memset(&ipaddr, 0, sizeof(ipaddr));
	inet_pton(AF_INET, ip, &ipaddr);

caphp = cap_gethostbyaddr(chan, &ipaddr, sizeof(ipaddr), family);
	if (caphp == NULL) {
		return (h_errno);
	}

orighp = gethostbyaddr(&ipaddr, sizeof(ipaddr), family);
	ATF_REQUIRE(orighp != NULL);
	ATF_REQUIRE(strcmp(caphp->h_name, caphp->h_name) == 0);

return (0);
}

static int
test_gethostbyaddr_v6(cap_channel_t *chan, const char *ip)
{
	struct in6_addr ipaddr;
	struct hostent *caphp, *orighp;

memset(&ipaddr, 0, sizeof(ipaddr));
	inet_pton(AF_INET6, ip, &ipaddr);

caphp = cap_gethostbyaddr(chan, &ipaddr, sizeof(ipaddr), AF_INET6);
	if (caphp == NULL)
		return (h_errno);

orighp = gethostbyaddr(&ipaddr, sizeof(ipaddr), AF_INET6);
	ATF_REQUIRE(orighp != NULL);
	ATF_REQUIRE(strcmp(caphp->h_name, caphp->h_name) == 0);

return (0);
}

static int
test_gethostbyaddr(cap_channel_t *chan, int family, const char *ip)
{

if (family == AF_INET6) {
		return (test_gethostbyaddr_v6(chan, ip));
	} else {
		return (test_gethostbyaddr_v4(chan, family, ip));
	}
}

static int
test_getaddrinfo(cap_channel_t *chan, int family, const char *domain,
    const char *servname)
{
	struct addrinfo hints, *capres, *origres, *res0, *res1;
	bool found;
	int ret;

memset(&hints, 0, sizeof(hints));
	hints.ai_family = family;
	hints.ai_socktype = SOCK_STREAM;

ret = cap_getaddrinfo(chan, domain, servname, &hints, &capres);
	if (ret != 0) {
		return (ret);
	}

ret = getaddrinfo(domain, servname, &hints, &origres);
	ATF_REQUIRE(ret == 0);

for (res0 = capres; res0 != NULL; res0 = res0->ai_next) {
		found = false;
		for (res1 = origres; res1 != NULL; res1 = res1->ai_next) {
			if (res1->ai_addrlen == res0->ai_addrlen &&
			    memcmp(res1->ai_addr, res0->ai_addr,
			    res0->ai_addrlen) == 0) {
				found = true;
				break;
			}
		}
		ATF_REQUIRE(found);
	}

freeaddrinfo(capres);
	freeaddrinfo(origres);
	return (0);
}

static int
test_gethostbyname(cap_channel_t *chan, int family, const char *domain)
{
	struct hostent *caphp, *orighp;

caphp = cap_gethostbyname2(chan, domain, family);
	if (caphp == NULL) {
		return (h_errno);
	}

orighp = gethostbyname2(domain, family);
	ATF_REQUIRE(orighp != NULL);
	ATF_REQUIRE(strcmp(caphp->h_name, orighp->h_name) == 0);

return (0);
}

static int
test_bind(cap_channel_t *chan, const char *ip)
{
	struct sockaddr_in ipv4;
	int capfd, ret, serrno;

capfd = socket(AF_INET, SOCK_STREAM, 0);
	ATF_REQUIRE(capfd > 0);

memset(&ipv4, 0, sizeof(ipv4));
	ipv4.sin_family = AF_INET;
	inet_pton(AF_INET, ip, &ipv4.sin_addr);

ret = cap_bind(chan, capfd, (struct sockaddr *)&ipv4, sizeof(ipv4));
	serrno = errno;
	close(capfd);

return (ret < 0 ? serrno : 0);
}

static int
test_connect(cap_channel_t *chan, const char *ip, unsigned short port)
{
	struct sockaddr_in ipv4;
	int capfd, ret, serrno;

capfd = socket(AF_INET, SOCK_STREAM, 0);
	ATF_REQUIRE(capfd > 0);

memset(&ipv4, 0, sizeof(ipv4));
	ipv4.sin_family = AF_INET;
	ipv4.sin_port = htons(port);
	inet_pton(AF_INET, ip, &ipv4.sin_addr);

ret = cap_connect(chan, capfd, (struct sockaddr *)&ipv4, sizeof(ipv4));
	serrno = errno;
	close(capfd);

return (ret < 0 ? serrno : 0);
}

static void
test_extend_mode(cap_channel_t *capnet, int current)
{
	cap_net_limit_t *limit;
	const int rights[] = {
		CAPNET_ADDR2NAME,
		CAPNET_NAME2ADDR,
		CAPNET_DEPRECATED_ADDR2NAME,
		CAPNET_DEPRECATED_NAME2ADDR,
		CAPNET_CONNECT,
		CAPNET_BIND,
		CAPNET_CONNECTDNS
	};
	size_t i;

for (i = 0; i < nitems(rights); i++) {
		if (current == rights[i])
			continue;

limit = cap_net_limit_init(capnet, current | rights[i]);
		ATF_REQUIRE(limit != NULL);
		ATF_REQUIRE(cap_net_limit(limit) != 0);
	}
}

ATF_TC_WITHOUT_HEAD(capnet__getnameinfo);
ATF_TC_BODY(capnet__getnameinfo, tc)
{
	cap_channel_t *capnet;

capnet = create_network_service();

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) == 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__connect);
ATF_TC_BODY(capnet__connect, tc)
{
	cap_channel_t *capnet;

capnet = create_network_service();

ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__bind);
ATF_TC_BODY(capnet__bind, tc)
{
	cap_channel_t *capnet;

capnet = create_network_service();

ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__getaddrinfo);
ATF_TC_BODY(capnet__getaddrinfo, tc)
{
	cap_channel_t *capnet;
	struct addrinfo hints, *capres;

capnet = create_network_service();

memset(&hints, 0, sizeof(hints));
	hints.ai_family = AF_INET;
	hints.ai_socktype = SOCK_STREAM;

ATF_REQUIRE(cap_getaddrinfo(capnet, TEST_IPV4, "80", &hints, &capres) ==
	    0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__gethostbyname);
ATF_TC_BODY(capnet__gethostbyname, tc)
{
	cap_channel_t *capnet;

capnet = create_network_service();

ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__gethostbyaddr);
ATF_TC_BODY(capnet__gethostbyaddr, tc)
{
	cap_channel_t *capnet;

capnet = create_network_service();

ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET6, TEST_IPV6) == 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_addr2name_mode);
ATF_TC_BODY(capnet__limits_addr2name_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);

/* DISALLOWED */
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_addr2name_family);
ATF_TC_BODY(capnet__limits_addr2name_family, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	int family[] = { AF_INET6, AF_INET };

capnet = create_network_service();

/* Limit to AF_INET6 and AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, family, nitems(family));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) == 0);

/* Limit to AF_INET6 and AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, &family[0], 1);
	cap_net_limit_addr2name_family(limit, &family[1], 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) == 0);

/* Limit to AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) == 0);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_addr2name);
ATF_TC_BODY(capnet__limits_addr2name, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct sockaddr_in ipaddrv4;
	struct sockaddr_in6 ipaddrv6;

capnet = create_network_service();

/* Limit to TEST_IPV4 and TEST_IPV6. */
	memset(&ipaddrv4, 0, sizeof(ipaddrv4));
	memset(&ipaddrv6, 0, sizeof(ipaddrv6));

ipaddrv4.sin_family = AF_INET;
	inet_pton(AF_INET, TEST_IPV4, &ipaddrv4.sin_addr);

ipaddrv6.sin6_family = AF_INET6;
	inet_pton(AF_INET6, TEST_IPV6, &ipaddrv6.sin6_addr);

limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);

cap_net_limit_addr2name(limit, (struct sockaddr *)&ipaddrv4,
	    sizeof(ipaddrv4));
	cap_net_limit_addr2name(limit, (struct sockaddr *)&ipaddrv6,
	    sizeof(ipaddrv6));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, "127.0.0.1") ==
	    ENOTCAPABLE);

/* Limit to AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name(limit, (struct sockaddr *)&ipaddrv4,
	    sizeof(ipaddrv4));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET6, TEST_IPV6) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, "127.0.0.1") ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_ADDR2NAME);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_addr2name_mode);
ATF_TC_BODY(capnet__limits_deprecated_addr2name_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) == 0);

/* DISALLOWED */
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == ENOTCAPABLE);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_addr2name_family);
ATF_TC_BODY(capnet__limits_deprecated_addr2name_family, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	int family[] = { AF_INET6, AF_INET };

capnet = create_network_service();

/* Limit to AF_INET6 and AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, family, nitems(family));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET6, TEST_IPV6) == 0);
	ATF_REQUIRE(test_gethostbyaddr(capnet, PF_LINK, TEST_IPV4) ==
	    ENOTCAPABLE);

/* Limit to AF_INET6 and AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, &family[0], 1);
	cap_net_limit_addr2name_family(limit, &family[1], 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* Limit to AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET6, TEST_IPV6) == 0);
	ATF_REQUIRE(test_gethostbyaddr(capnet, PF_LINK, TEST_IPV4) ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_addr2name);
ATF_TC_BODY(capnet__limits_deprecated_addr2name, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct in_addr ipaddrv4;
	struct in6_addr ipaddrv6;

capnet = create_network_service();

/* Limit to TEST_IPV4 and TEST_IPV6. */
	memset(&ipaddrv4, 0, sizeof(ipaddrv4));
	memset(&ipaddrv6, 0, sizeof(ipaddrv6));

inet_pton(AF_INET, TEST_IPV4, &ipaddrv4);
	inet_pton(AF_INET6, TEST_IPV6, &ipaddrv6);

limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);

/* Limit to AF_INET. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_addr2name(limit, (struct sockaddr *)&ipaddrv4,
	    sizeof(ipaddrv4));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) == 0);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET6, TEST_IPV6) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, "127.0.0.1") ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_ADDR2NAME);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_name2addr_mode);
ATF_TC_BODY(capnet__limits_name2addr_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);

/* DISALLOWED */
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_name2addr_hosts);
ATF_TC_BODY(capnet__limits_name2addr_hosts, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* Limit to TEST_DOMAIN_0 and localhost only. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr(limit, "localhost", NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, "localhost", NULL) == 0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, NULL) ==
	    ENOTCAPABLE);

/* Limit to TEST_DOMAIN_0 only. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, "localhost", NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_name2addr_hosts_servnames_strict);
ATF_TC_BODY(capnet__limits_name2addr_hosts_servnames_strict, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/*
	 * Limit to TEST_DOMAIN_0 and HTTP service.
	 */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, "http");
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, "http") ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, "snmp") ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, "http") ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_name2addr_hosts_servnames_mix);
ATF_TC_BODY(capnet__limits_name2addr_hosts_servnames_mix, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/*
	 * Limit to TEST_DOMAIN_0 and any servnamex, and any domain with
	 * servname HTTP.
	 */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr(limit, NULL, "http");
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, "http") ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, "http") ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, "snmp") ==
	    ENOTCAPABLE);

/* Limit to HTTTP servname only. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, NULL, "http");
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, "http") ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, "http") ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_1, "snmp") ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_name2addr_family);
ATF_TC_BODY(capnet__limits_name2addr_family, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	int family[] = { AF_INET6, AF_INET };

capnet = create_network_service();

/* Limit to AF_INET and AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, family, nitems(family));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET6, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, PF_LINK, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);

/* Limit to AF_INET and AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, &family[0], 1);
	cap_net_limit_name2addr_family(limit, &family[1], 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* Limit to AF_INET6 only. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET6, TEST_DOMAIN_0, NULL) ==
	    0);
	ATF_REQUIRE(test_getaddrinfo(capnet, PF_LINK, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_name2addr_mode);
ATF_TC_BODY(capnet__limits_deprecated_name2addr_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == 0);

/* DISALLOWED */
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_name2addr_hosts);
ATF_TC_BODY(capnet__limits_deprecated_name2addr_hosts, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* Limit to TEST_DOMAIN_0 and localhost only. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr(limit, "localhost", NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == 0);
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, "localhost") == 0);
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_1) == ENOTCAPABLE);

/* Limit to TEST_DOMAIN_0 only. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, "localhost") == ENOTCAPABLE);
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_1) == ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == 0);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_name2addr_family);
ATF_TC_BODY(capnet__limits_deprecated_name2addr_family, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	int family[] = { AF_INET6, AF_INET };

capnet = create_network_service();

/* Limit to AF_INET and AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, family, nitems(family));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == 0);
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET6, TEST_DOMAIN_0) == 0);
	ATF_REQUIRE(
	    test_gethostbyname(capnet, PF_LINK, TEST_DOMAIN_0) == ENOTCAPABLE);

/* Limit to AF_INET and AF_INET6. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, &family[0], 1);
	cap_net_limit_name2addr_family(limit, &family[1], 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* Limit to AF_INET6 only. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_DOMAIN_0, NULL);
	cap_net_limit_name2addr_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyname(capnet, AF_INET6, TEST_DOMAIN_0) == 0);
	ATF_REQUIRE(
	    test_gethostbyname(capnet, PF_LINK, TEST_DOMAIN_0) == ENOTCAPABLE);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_bind_mode);
ATF_TC_BODY(capnet__limits_bind_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_BIND);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == 0);

/* DISALLOWED */
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_bind);
ATF_TC_BODY(capnet__limits_bind, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct sockaddr_in ipv4;

capnet = create_network_service();

limit = cap_net_limit_init(capnet, CAPNET_BIND);
	ATF_REQUIRE(limit != NULL);

memset(&ipv4, 0, sizeof(ipv4));
	ipv4.sin_family = AF_INET;
	inet_pton(AF_INET, TEST_BIND_IPV4, &ipv4.sin_addr);

cap_net_limit_bind(limit, (struct sockaddr *)&ipv4, sizeof(ipv4));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == 0);
	ATF_REQUIRE(test_bind(capnet, "127.0.0.2") == ENOTCAPABLE);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_connect_mode);
ATF_TC_BODY(capnet__limits_connect_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_CONNECT);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == 0);

/* DISALLOWED */
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_connect_dns_mode);
ATF_TC_BODY(capnet__limits_connect_dns_mode, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;

capnet = create_network_service();

/* LIMIT */
	limit = cap_net_limit_init(capnet, CAPNET_CONNECT | CAPNET_CONNECTDNS);
	ATF_REQUIRE(limit != NULL);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

/* ALLOWED */
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == 0);

/* DISALLOWED */
	ATF_REQUIRE(
	    test_gethostbyname(capnet, AF_INET, TEST_DOMAIN_0) == ENOTCAPABLE);
	ATF_REQUIRE(test_getnameinfo(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_gethostbyaddr(capnet, AF_INET, TEST_IPV4) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_getaddrinfo(capnet, AF_INET, TEST_DOMAIN_0, NULL) ==
	    ENOTCAPABLE);
	ATF_REQUIRE(test_bind(capnet, TEST_BIND_IPV4) == ENOTCAPABLE);

test_extend_mode(capnet, CAPNET_ADDR2NAME);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_connect);
ATF_TC_BODY(capnet__limits_connect, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct sockaddr_in ipv4;

capnet = create_network_service();

/* Limit only to TEST_IPV4 on port 80 and 443. */
	limit = cap_net_limit_init(capnet, CAPNET_CONNECT);
	ATF_REQUIRE(limit != NULL);
	memset(&ipv4, 0, sizeof(ipv4));
	ipv4.sin_family = AF_INET;
	ipv4.sin_port = htons(80);
	inet_pton(AF_INET, TEST_IPV4, &ipv4.sin_addr);
	cap_net_limit_connect(limit, (struct sockaddr *)&ipv4, sizeof(ipv4));

ipv4.sin_port = htons(443);
	cap_net_limit_connect(limit, (struct sockaddr *)&ipv4, sizeof(ipv4));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 80) == 0);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 80) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 443) == 0);

/* Limit only to TEST_IPV4 on port 443. */
	limit = cap_net_limit_init(capnet, CAPNET_CONNECT);
	cap_net_limit_connect(limit, (struct sockaddr *)&ipv4, sizeof(ipv4));
	ATF_REQUIRE(cap_net_limit(limit) == 0);

ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 433) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 80) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);
	ATF_REQUIRE(test_connect(capnet, TEST_IPV4, 443) == 0);

/* Unable to set empty limits. Empty limits means full access. */
	limit = cap_net_limit_init(capnet, CAPNET_CONNECT);
	ATF_REQUIRE(cap_net_limit(limit) != 0);

cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_connecttodns);
ATF_TC_BODY(capnet__limits_connecttodns, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct addrinfo hints, *capres, *res;
	int family[] = { AF_INET };

capnet = create_network_service();

limit = cap_net_limit_init(capnet, CAPNET_CONNECTDNS |
	    CAPNET_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_IPV4, "80");
	cap_net_limit_name2addr_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

memset(&hints, 0, sizeof(hints));
	hints.ai_family = AF_INET;
	hints.ai_socktype = SOCK_STREAM;

ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);
	ATF_REQUIRE(cap_getaddrinfo(capnet, TEST_IPV4, "80", &hints, &capres) ==
	    0);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);

for (res = capres; res != NULL; res = res->ai_next) {
		int s;

ATF_REQUIRE(res->ai_family == AF_INET);
		ATF_REQUIRE(res->ai_socktype == SOCK_STREAM);

s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
		ATF_REQUIRE(s >= 0);

ATF_REQUIRE(cap_connect(capnet, s, res->ai_addr,
		    res->ai_addrlen) == 0);
		close(s);
	}

freeaddrinfo(capres);
	cap_close(capnet);
}

ATF_TC_WITHOUT_HEAD(capnet__limits_deprecated_connecttodns);
ATF_TC_BODY(capnet__limits_deprecated_connecttodns, tc)
{
	cap_channel_t *capnet;
	cap_net_limit_t *limit;
	struct hostent *caphp;
	struct in_addr ipaddr;
	struct sockaddr_in connaddr;
	int family[] = { AF_INET };
	int i;

capnet = create_network_service();

limit = cap_net_limit_init(capnet, CAPNET_CONNECTDNS |
	    CAPNET_DEPRECATED_NAME2ADDR);
	ATF_REQUIRE(limit != NULL);
	cap_net_limit_name2addr(limit, TEST_IPV4, NULL);
	cap_net_limit_name2addr_family(limit, family, 1);
	ATF_REQUIRE(cap_net_limit(limit) == 0);

memset(&ipaddr, 0, sizeof(ipaddr));
	inet_pton(AF_INET, TEST_IPV4, &ipaddr);

ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);
	caphp = cap_gethostbyname2(capnet, TEST_IPV4, AF_INET);
	ATF_REQUIRE(caphp != NULL);
	ATF_REQUIRE(caphp->h_addrtype == AF_INET);
	ATF_REQUIRE(test_connect(capnet, "8.8.8.8", 433) == ENOTCAPABLE);

for (i = 0; caphp->h_addr_list[i] != NULL; i++) {
		int s;

s = socket(AF_INET, SOCK_STREAM, 0);
		ATF_REQUIRE(s >= 0);

memset(&connaddr, 0, sizeof(connaddr));
		connaddr.sin_family = AF_INET;
		memcpy((char *)&connaddr.sin_addr.s_addr,
		    (char *)caphp->h_addr_list[i], caphp->h_length);
		connaddr.sin_port = htons(80);

ATF_REQUIRE(cap_connect(capnet, s, (struct sockaddr *)&connaddr,
		    sizeof(connaddr)) == 0);
		close(s);
	}

cap_close(capnet);
}

ATF_TP_ADD_TCS(tp)
{

ATF_TP_ADD_TC(tp, capnet__connect);
	ATF_TP_ADD_TC(tp, capnet__bind);
	ATF_TP_ADD_TC(tp, capnet__getnameinfo);
	ATF_TP_ADD_TC(tp, capnet__getaddrinfo);
	ATF_TP_ADD_TC(tp, capnet__gethostbyname);
	ATF_TP_ADD_TC(tp, capnet__gethostbyaddr);

ATF_TP_ADD_TC(tp, capnet__limits_addr2name_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_addr2name_family);
	ATF_TP_ADD_TC(tp, capnet__limits_addr2name);

ATF_TP_ADD_TC(tp, capnet__limits_deprecated_addr2name_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_deprecated_addr2name_family);
	ATF_TP_ADD_TC(tp, capnet__limits_deprecated_addr2name);

ATF_TP_ADD_TC(tp, capnet__limits_name2addr_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_name2addr_hosts);
	ATF_TP_ADD_TC(tp, capnet__limits_name2addr_hosts_servnames_strict);
	ATF_TP_ADD_TC(tp, capnet__limits_name2addr_hosts_servnames_mix);
	ATF_TP_ADD_TC(tp, capnet__limits_name2addr_family);

ATF_TP_ADD_TC(tp, capnet__limits_deprecated_name2addr_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_deprecated_name2addr_hosts);
	ATF_TP_ADD_TC(tp, capnet__limits_deprecated_name2addr_family);

ATF_TP_ADD_TC(tp, capnet__limits_bind_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_bind);

ATF_TP_ADD_TC(tp, capnet__limits_connect_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_connect_dns_mode);
	ATF_TP_ADD_TC(tp, capnet__limits_connect);

ATF_TP_ADD_TC(tp, capnet__limits_connecttodns);
	ATF_TP_ADD_TC(tp, capnet__limits_deprecated_connecttodns);

return (atf_no_error());
}

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