mirror of
https://github.com/freebsd/freebsd-src
synced 2024-10-15 21:05:08 +00:00
f1462ab051
Rework the tests to check the correct layer in a single test. Factor out tests for reuse in other modules. MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D30412
138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
/*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright 2021 Lutz Donnerhacke
|
|
*
|
|
* 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.
|
|
* 3. Neither the name of the copyright holder nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT HOLDER 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 <arpa/inet.h>
|
|
#include <netinet/ip.h>
|
|
#include <netinet/udp.h>
|
|
|
|
#ifndef _UTIL_H
|
|
#define _UTIL_H
|
|
|
|
/* common ip ranges */
|
|
extern struct in_addr masq, pub, prv1, prv2, prv3, cgn, ext, ANY_ADDR;
|
|
|
|
int randcmp(const void *a, const void *b);
|
|
void hexdump(void *p, size_t len);
|
|
struct ip * ip_packet(u_char protocol, size_t len);
|
|
struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport);
|
|
|
|
inline int
|
|
addr_eq(struct in_addr a, struct in_addr b)
|
|
{
|
|
return a.s_addr == b.s_addr;
|
|
}
|
|
|
|
#define a2h(a) ntohl(a.s_addr)
|
|
|
|
inline int
|
|
rand_range(int min, int max)
|
|
{
|
|
return min + rand()%(max - min);
|
|
}
|
|
|
|
#define NAT_CHECK(pip, src, dst, msq) do { \
|
|
int res; \
|
|
int len = ntohs(pip->ip_len); \
|
|
pip->ip_src = src; \
|
|
pip->ip_dst = dst; \
|
|
res = LibAliasOut(la, pip, len); \
|
|
ATF_CHECK_MSG(res == PKT_ALIAS_OK, \
|
|
">%d< not met PKT_ALIAS_OK", res); \
|
|
ATF_CHECK(addr_eq(msq, pip->ip_src)); \
|
|
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \
|
|
} while(0)
|
|
|
|
#define NAT_FAIL(pip, src, dst) do { \
|
|
int res; \
|
|
int len = ntohs(pip->ip_len); \
|
|
pip->ip_src = src; \
|
|
pip->ip_dst = dst; \
|
|
res = LibAliasOut(la, pip, len); \
|
|
ATF_CHECK_MSG(res != PKT_ALIAS_OK), \
|
|
">%d< not met !PKT_ALIAS_OK", res); \
|
|
ATF_CHECK(addr_eq(src, pip->ip_src)); \
|
|
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \
|
|
} while(0)
|
|
|
|
#define UNNAT_CHECK(pip, src, dst, rel) do { \
|
|
int res; \
|
|
int len = ntohs(pip->ip_len); \
|
|
pip->ip_src = src; \
|
|
pip->ip_dst = dst; \
|
|
res = LibAliasIn(la, pip, len); \
|
|
ATF_CHECK_MSG(res == PKT_ALIAS_OK, \
|
|
">%d< not met PKT_ALIAS_OK", res); \
|
|
ATF_CHECK(addr_eq(src, pip->ip_src)); \
|
|
ATF_CHECK(addr_eq(rel, pip->ip_dst)); \
|
|
} while(0)
|
|
|
|
#define UNNAT_FAIL(pip, src, dst) do { \
|
|
int res; \
|
|
int len = ntohs(pip->ip_len); \
|
|
pip->ip_src = src; \
|
|
pip->ip_dst = dst; \
|
|
res = LibAliasIn(la, pip, len); \
|
|
ATF_CHECK_MSG(res != PKT_ALIAS_OK, \
|
|
">%d< not met !PKT_ALIAS_OK", res); \
|
|
ATF_CHECK(addr_eq(src, pip->ip_src)); \
|
|
ATF_CHECK(addr_eq(dst, pip->ip_dst)); \
|
|
} while(0)
|
|
|
|
#define UDP_NAT_CHECK(p, u, si, sp, di, dp, mi) do { \
|
|
u = set_udp(p, (sp), (dp)); \
|
|
NAT_CHECK(p, (si), (di), (mi)); \
|
|
ATF_CHECK(u->uh_dport == htons(dp)); \
|
|
} while(0)
|
|
|
|
#define UDP_NAT_FAIL(p, u, si, sp, di, dp) do { \
|
|
u = set_udp(p, (sp), (dp)); \
|
|
NAT_FAIL(p, (si), (mi)); \
|
|
} while(0)
|
|
|
|
#define UDP_UNNAT_CHECK(p, u, si, sp, mi, mp, di, dp) \
|
|
do { \
|
|
u = set_udp(p, (sp), (mp)); \
|
|
UNNAT_CHECK(p, (si), (mi), (di)); \
|
|
ATF_CHECK(u->uh_sport == htons(sp)); \
|
|
ATF_CHECK(u->uh_dport == htons(dp)); \
|
|
} while(0)
|
|
|
|
#define UDP_UNNAT_FAIL(p, u, si, sp, mi, mp) do { \
|
|
u = set_udp(p, (sp), (mp)); \
|
|
UNNAT_FAIL(p, (si), (mi)); \
|
|
} while(0)
|
|
|
|
#endif /* _UTIL_H */
|