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https://github.com/opnsense/src.git
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488f39f355
Rework the tests to check the correct layer in a single test. Factor out tests for reuse in other modules. Extend the test suite for libalias(3) to incoming connections. Test the various types of redirections. gettimeofday(3) is almost as expensive as the calls to libalias. So the call frequency for this call is reduced by a factor of 1000 in order to neglect it's influence. Using NAT entries became more realistic: A communication of a random length of up to 150 packets (10% outgoing, 90% incoming) is applied for each entry. Add port forwardings to the performance tests. This will cause random incoming packets to match the random port forwardings opends beforehand. After a long test run, a lot of ressouces have been allocated. Measure the time tot free them. Reviewed by: kp (partially) Differential Revision: https://reviews.freebsd.org/D30412 Differential Revision: https://reviews.freebsd.org/D30408 Differential Revision: https://reviews.freebsd.org/D30405 Differential Revision: https://reviews.freebsd.org/D30443 (cherry picked from commitf1462ab051) (cherry picked from commit755bab6d55) (cherry picked from commit6e87898a2c) (cherry picked from commitd62e1ecba0) (cherry picked from commit5434ebd256) Fix various bugs: (cherry picked from commitccac04cae5) (cherry picked from commit7b8696bf12) (cherry picked from commitfef99da69f) (cherry picked from commitf4c460dacd)
122 lines
3.3 KiB
C
122 lines
3.3 KiB
C
/*
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright 2021 Lutz Donnerhacke
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
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* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
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* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <netinet/in.h>
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#include "util.h"
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/* common ip ranges */
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struct in_addr masq = { htonl(0x01020304) };
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struct in_addr pub = { htonl(0x0102dead) };
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struct in_addr prv1 = { htonl(0x0a00dead) };
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struct in_addr prv2 = { htonl(0xac10dead) };
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struct in_addr prv3 = { htonl(0xc0a8dead) };
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struct in_addr cgn = { htonl(0x6440dead) };
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struct in_addr ext = { htonl(0x12345678) };
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struct in_addr ANY_ADDR = { 0 };
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#define REQUIRE(x) do { \
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if (!(x)) { \
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fprintf(stderr, "Failed in %s %s:%d.\n",\
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__FUNCTION__, __FILE__, __LINE__); \
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exit(-1); \
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} \
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} while(0)
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int
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randcmp(const void *a, const void *b)
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{
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int res, r = rand();
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(void)a;
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(void)b;
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res = (r/4 < RAND_MAX/9) ? 1
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: (r/5 < RAND_MAX/9) ? 0
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: -1;
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return (res);
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}
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void
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hexdump(void *p, size_t len)
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{
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size_t i;
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unsigned char *c = p;
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for (i = 0; i < len; i++) {
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printf(" %02x", c[i]);
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switch (i & 0xf) {
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case 0xf: printf("\n"); break;
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case 0x7: printf(" "); break;
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default: break;
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}
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}
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if ((i & 0xf) != 0x0)
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printf("\n");
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}
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struct ip *
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ip_packet(u_char protocol, size_t len)
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{
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struct ip * p;
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REQUIRE(len >= 64 && len <= IP_MAXPACKET);
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p = calloc(1, len);
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REQUIRE(p != NULL);
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p->ip_v = IPVERSION;
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p->ip_hl = sizeof(*p)/4;
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p->ip_len = htons(len);
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p->ip_ttl = IPDEFTTL;
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p->ip_p = protocol;
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REQUIRE(p->ip_hl == 5);
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return (p);
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}
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struct udphdr *
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set_udp(struct ip *p, u_short sport, u_short dport) {
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uint32_t *up = (void *)p;
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struct udphdr *u = (void *)&(up[p->ip_hl]);
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int payload = ntohs(p->ip_len) - 4*p->ip_hl;
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REQUIRE(payload >= (int)sizeof(*u));
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p->ip_p = IPPROTO_UDP;
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u->uh_sport = htons(sport);
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u->uh_dport = htons(dport);
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u->uh_ulen = htons(payload);
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return (u);
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}
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