diff --git a/tests/sys/netinet/libalias/2_natout.c b/tests/sys/netinet/libalias/2_natout.c index 5b3e9a906bf5..2b6da8f597ed 100644 --- a/tests/sys/netinet/libalias/2_natout.c +++ b/tests/sys/netinet/libalias/2_natout.c @@ -1,414 +1,322 @@ /* * 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 #include #include #include #include "util.h" -/* common ip ranges */ -static struct in_addr masq = { htonl(0x01020304) }; -static struct in_addr pub = { htonl(0x0102dead) }; -static struct in_addr prv1 = { htonl(0x0a00dead) }; -static struct in_addr prv2 = { htonl(0xac10dead) }; -static struct in_addr prv3 = { htonl(0xc0a8dead) }; -static struct in_addr cgn = { htonl(0x6440dead) }; -static struct in_addr ext = { htonl(0x12345678) }; - -#define NAT_CHECK(pip, src, msq) do { \ - int res; \ - int len = ntohs(pip->ip_len); \ - struct in_addr dst = pip->ip_dst; \ - pip->ip_src = src; \ - 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) - ATF_TC_WITHOUT_HEAD(1_simplemasq); ATF_TC_BODY(1_simplemasq, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *pip; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, 0, ~0); - pip = ip_packet(prv1, ext, 254, 64); - NAT_CHECK(pip, prv1, masq); - NAT_CHECK(pip, prv2, masq); - NAT_CHECK(pip, prv3, masq); - NAT_CHECK(pip, cgn, masq); - NAT_CHECK(pip, pub, masq); + pip = ip_packet(254, 64); + NAT_CHECK(pip, prv1, ext, masq); + NAT_CHECK(pip, prv2, ext, masq); + NAT_CHECK(pip, prv3, ext, masq); + NAT_CHECK(pip, cgn, ext, masq); + NAT_CHECK(pip, pub, ext, masq); free(pip); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(2_unregistered); ATF_TC_BODY(2_unregistered, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *pip; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, PKT_ALIAS_UNREGISTERED_ONLY, ~0); - pip = ip_packet(prv1, ext, 254, 64); - NAT_CHECK(pip, prv1, masq); - NAT_CHECK(pip, prv2, masq); - NAT_CHECK(pip, prv3, masq); - NAT_CHECK(pip, cgn, cgn); - NAT_CHECK(pip, pub, pub); + pip = ip_packet(254, 64); + NAT_CHECK(pip, prv1, ext, masq); + NAT_CHECK(pip, prv2, ext, masq); + NAT_CHECK(pip, prv3, ext, masq); + NAT_CHECK(pip, cgn, ext, cgn); + NAT_CHECK(pip, pub, ext, pub); /* * State is only for new connections * Because they are now active, * the mode setting should be ignored */ LibAliasSetMode(la, 0, PKT_ALIAS_UNREGISTERED_ONLY); - NAT_CHECK(pip, prv1, masq); - NAT_CHECK(pip, prv2, masq); - NAT_CHECK(pip, prv3, masq); - NAT_CHECK(pip, cgn, cgn); - NAT_CHECK(pip, pub, pub); + NAT_CHECK(pip, prv1, ext, masq); + NAT_CHECK(pip, prv2, ext, masq); + NAT_CHECK(pip, prv3, ext, masq); + NAT_CHECK(pip, cgn, ext, cgn); + NAT_CHECK(pip, pub, ext, pub); free(pip); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(3_cgn); ATF_TC_BODY(3_cgn, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *pip; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, PKT_ALIAS_UNREGISTERED_CGN, ~0); - pip = ip_packet(prv1, ext, 254, 64); - NAT_CHECK(pip, prv1, masq); - NAT_CHECK(pip, prv2, masq); - NAT_CHECK(pip, prv3, masq); - NAT_CHECK(pip, cgn, masq); - NAT_CHECK(pip, pub, pub); + pip = ip_packet(254, 64); + NAT_CHECK(pip, prv1, ext, masq); + NAT_CHECK(pip, prv2, ext, masq); + NAT_CHECK(pip, prv3, ext, masq); + NAT_CHECK(pip, cgn, ext, masq); + NAT_CHECK(pip, pub, ext, pub); /* * State is only for new connections * Because they are now active, * the mode setting should be ignored */ LibAliasSetMode(la, 0, PKT_ALIAS_UNREGISTERED_CGN); - NAT_CHECK(pip, prv1, masq); - NAT_CHECK(pip, prv2, masq); - NAT_CHECK(pip, prv3, masq); - NAT_CHECK(pip, cgn, masq); - NAT_CHECK(pip, pub, pub); + NAT_CHECK(pip, prv1, ext, masq); + NAT_CHECK(pip, prv2, ext, masq); + NAT_CHECK(pip, prv3, ext, masq); + NAT_CHECK(pip, cgn, ext, masq); + NAT_CHECK(pip, pub, ext, pub); free(pip); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(4_udp); ATF_TC_BODY(4_udp, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *po, *pi; struct udphdr *ui, *uo; uint16_t sport = 0x1234; uint16_t dport = 0x5678; uint16_t aport; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, 0, ~0); /* Query from prv1 */ - po = ip_packet(prv1, ext, 0, 64); - uo = set_udp(po, sport, dport); - NAT_CHECK(po, prv1, masq); - ATF_CHECK(uo->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(po->ip_dst, ext)); + po = ip_packet(0, 64); + UDP_NAT_CHECK(po, uo, prv1, sport, ext, dport, masq); aport = ntohs(uo->uh_sport); /* should use a different external port */ ATF_CHECK(aport != sport); /* Response */ - pi = ip_packet(po->ip_dst, po->ip_src, 0, 64); - ui = set_udp(pi, ntohs(uo->uh_dport), ntohs(uo->uh_sport)); - UNNAT_CHECK(pi, ext, masq, prv1); - ATF_CHECK(ui->uh_sport == htons(dport)); - ATF_CHECK(ui->uh_dport == htons(sport)); + pi = ip_packet(0, 64); + UDP_UNNAT_CHECK(pi, ui, ext, dport, masq, aport, prv1, sport); /* Query from different source with same ports */ - uo = set_udp(po, sport, dport); - NAT_CHECK(po, prv2, masq); - ATF_CHECK(uo->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(po->ip_dst, ext)); + UDP_NAT_CHECK(po, uo, prv2, sport, ext, dport, masq); /* should use a different external port */ ATF_CHECK(uo->uh_sport != htons(aport)); /* Response to prv2 */ ui->uh_dport = uo->uh_sport; - UNNAT_CHECK(pi, ext, masq, prv2); - ATF_CHECK(ui->uh_sport == htons(dport)); - ATF_CHECK(ui->uh_dport == htons(sport)); + UDP_UNNAT_CHECK(pi, ui, ext, dport, masq, htons(uo->uh_sport), prv2, sport); /* Response to prv1 again */ - ui->uh_dport = htons(aport); - UNNAT_CHECK(pi, ext, masq, prv1); - ATF_CHECK(ui->uh_sport == htons(dport)); - ATF_CHECK(ui->uh_dport == htons(sport)); + UDP_UNNAT_CHECK(pi, ui, ext, dport, masq, aport, prv1, sport); free(pi); free(po); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(5_sameport); ATF_TC_BODY(5_sameport, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *p; struct udphdr *u; uint16_t sport = 0x1234; uint16_t dport = 0x5678; uint16_t aport; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, PKT_ALIAS_SAME_PORTS, ~0); /* Query from prv1 */ - p = ip_packet(prv1, ext, 0, 64); - u = set_udp(p, sport, dport); - NAT_CHECK(p, prv1, masq); - ATF_CHECK(u->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(p->ip_dst, ext)); + p = ip_packet(0, 64); + UDP_NAT_CHECK(p, u, prv1, sport, ext, dport, masq); aport = ntohs(u->uh_sport); /* should use the same external port */ ATF_CHECK(aport == sport); /* Query from different source with same ports */ - u = set_udp(p, sport, dport); - NAT_CHECK(p, prv2, masq); - ATF_CHECK(u->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(p->ip_dst, ext)); + UDP_NAT_CHECK(p, u, prv2, sport, ext, dport, masq); /* should use a different external port */ ATF_CHECK(u->uh_sport != htons(aport)); free(p); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(6_cleartable); ATF_TC_BODY(6_cleartable, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *po, *pi; struct udphdr *ui, *uo; uint16_t sport = 0x1234; uint16_t dport = 0x5678; uint16_t aport; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); LibAliasSetMode(la, PKT_ALIAS_RESET_ON_ADDR_CHANGE, ~0); LibAliasSetMode(la, PKT_ALIAS_SAME_PORTS, PKT_ALIAS_SAME_PORTS); LibAliasSetMode(la, PKT_ALIAS_DENY_INCOMING, PKT_ALIAS_DENY_INCOMING); /* Query from prv1 */ - po = ip_packet(prv1, ext, 0, 64); - uo = set_udp(po, sport, dport); - NAT_CHECK(po, prv1, masq); - ATF_CHECK(uo->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(po->ip_dst, ext)); + po = ip_packet(0, 64); + UDP_NAT_CHECK(po, uo, prv1, sport, ext, dport, masq); aport = ntohs(uo->uh_sport); /* should use the same external port */ ATF_CHECK(aport == sport); /* Response */ - pi = ip_packet(po->ip_dst, po->ip_src, 0, 64); - ui = set_udp(pi, ntohs(uo->uh_dport), ntohs(uo->uh_sport)); - UNNAT_CHECK(pi, ext, masq, prv1); - ATF_CHECK(ui->uh_sport == htons(dport)); - ATF_CHECK(ui->uh_dport == htons(sport)); + pi = ip_packet(0, 64); + UDP_UNNAT_CHECK(po, uo, ext, dport, masq, aport, prv1, sport); /* clear table by keeping the address */ LibAliasSetAddress(la, ext); LibAliasSetAddress(la, masq); /* Response to prv1 again -> DENY_INCOMING */ - ui->uh_dport = htons(aport); - UNNAT_FAIL(pi, ext, masq); + UDP_UNNAT_FAIL(pi, ui, ext, dport, masq, aport); /* Query from different source with same ports */ - uo = set_udp(po, sport, dport); - NAT_CHECK(po, prv2, masq); - ATF_CHECK(uo->uh_dport == htons(dport)); - ATF_CHECK(addr_eq(po->ip_dst, ext)); + UDP_NAT_CHECK(po, uo, prv2, sport, ext, dport, masq); /* should use the same external port, because it's free */ ATF_CHECK(uo->uh_sport == htons(aport)); /* Response to prv2 */ - ui->uh_dport = uo->uh_sport; - UNNAT_CHECK(pi, ext, masq, prv2); - ATF_CHECK(ui->uh_sport == htons(dport)); - ATF_CHECK(ui->uh_dport == htons(sport)); + UDP_UNNAT_CHECK(po, uo, ext, dport, masq, htons(uo->uh_sport), prv2, sport); free(pi); free(po); LibAliasUninit(la); } ATF_TC_WITHOUT_HEAD(7_stress); ATF_TC_BODY(7_stress, dummy) { struct libalias *la = LibAliasInit(NULL); struct ip *p; struct udphdr *u; struct { struct in_addr src, dst; uint16_t sport, dport, aport; } *batch; size_t const batch_size = 1200; size_t const rounds = 25; size_t i, j; ATF_REQUIRE(la != NULL); LibAliasSetAddress(la, masq); - p = ip_packet(prv1, ext, 0, 64); - u = set_udp(p, 0, 0); + p = ip_packet(0, 64); batch = calloc(batch_size, sizeof(*batch)); ATF_REQUIRE(batch != NULL); for (j = 0; j < rounds; j++) { for (i = 0; i < batch_size; i++) { struct in_addr s, d; switch (i&3) { case 0: s = prv1; d = ext; break; case 1: s = prv2; d = pub; break; case 2: s = prv3; d = ext; break; case 3: s = cgn; d = pub; break; } s.s_addr &= htonl(0xffff0000); d.s_addr &= htonl(0xffff0000); batch[i].src.s_addr = s.s_addr | htonl(rand_range(0, 0xffff)); batch[i].dst.s_addr = d.s_addr | htonl(rand_range(0, 0xffff)); batch[i].sport = rand_range(1000, 60000); batch[i].dport = rand_range(1000, 60000); } for (i = 0; i < batch_size; i++) { - p->ip_dst = batch[i].dst; - u = set_udp(p, batch[i].sport, batch[i].dport); - NAT_CHECK(p, batch[i].src, masq); - ATF_CHECK(u->uh_dport == htons(batch[i].dport)); - ATF_CHECK(addr_eq(p->ip_dst, batch[i].dst)); + UDP_NAT_CHECK(p, u, + batch[i].src, batch[i].sport, + batch[i].dst, batch[i].dport, + masq); batch[i].aport = htons(u->uh_sport); } qsort(batch, batch_size, sizeof(*batch), randcmp); for (i = 0; i < batch_size; i++) { - u = set_udp(p, batch[i].dport, batch[i].aport); - UNNAT_CHECK(p, batch[i].dst, masq, batch[i].src); - ATF_CHECK(u->uh_dport == htons(batch[i].sport)); - ATF_CHECK(u->uh_sport == htons(batch[i].dport)); + UDP_UNNAT_CHECK(p, u, + batch[i].dst, batch[i].dport, + masq, batch[i].aport, + batch[i].src, batch[i].sport); } } free(batch); free(p); LibAliasUninit(la); } ATF_TP_ADD_TCS(natout) { /* Use "dd if=/dev/random bs=2 count=1 | od -x" to reproduce */ srand(0x0b61); ATF_TP_ADD_TC(natout, 1_simplemasq); ATF_TP_ADD_TC(natout, 2_unregistered); ATF_TP_ADD_TC(natout, 3_cgn); ATF_TP_ADD_TC(natout, 4_udp); ATF_TP_ADD_TC(natout, 5_sameport); ATF_TP_ADD_TC(natout, 6_cleartable); ATF_TP_ADD_TC(natout, 7_stress); return atf_no_error(); } diff --git a/tests/sys/netinet/libalias/perf.c b/tests/sys/netinet/libalias/perf.c index 365b8f2e9fcc..a98912278b94 100644 --- a/tests/sys/netinet/libalias/perf.c +++ b/tests/sys/netinet/libalias/perf.c @@ -1,231 +1,226 @@ /* * 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 #include #include #include #include "util.h" #include -/* common ip ranges */ -static struct in_addr masq = { htonl(0x01020304) }; -static struct in_addr prv = { htonl(0x0a000000) }; -static struct in_addr ext = { htonl(0x12000000) }; - #define timevalcmp(tv, uv, cmp) \ (((tv).tv_sec == (uv).tv_sec) \ ? ((tv).tv_usec cmp (uv).tv_usec) \ : ((tv).tv_sec cmp (uv).tv_sec)) #define timevaldiff(n, o) (float) \ (((n).tv_sec - (o).tv_sec)*1000000l + \ ((n).tv_usec - (o).tv_usec)) int main(int argc, char ** argv) { struct libalias *la; struct timeval timeout; struct ip *p; struct udphdr *u; struct { struct in_addr src, dst; uint16_t sport, dport, aport; } *batch; struct { unsigned long ok, fail; } nat, unnat, random, attack; int max_seconds, batch_size, random_size, attack_length, round, cnt; if(argc != 5 || 0 > (max_seconds = atoi(argv[1])) || 0 >= (batch_size = atoi(argv[2])) || 0 >= (random_size = atoi(argv[3])) || 0 >= (attack_length = atoi(argv[4]))) { printf("Usage: %s max_seconds batch_size random_size attack_length\n", argv[0]); return 1; } if (NULL == (la = LibAliasInit(NULL))) { perror("LibAliasInit"); return -1; } bzero(&nat, sizeof(nat)); bzero(&unnat, sizeof(unnat)); bzero(&random, sizeof(random)); bzero(&attack, sizeof(attack)); LibAliasSetAddress(la, masq); LibAliasSetMode(la, PKT_ALIAS_DENY_INCOMING, PKT_ALIAS_DENY_INCOMING); - prv.s_addr &= htonl(0xffff0000); + prv1.s_addr &= htonl(0xffff0000); ext.s_addr &= htonl(0xffff0000); - p = ip_packet(prv, ext, 0, 64); + p = ip_packet(0, 64); u = set_udp(p, 0, 0); if (NULL == (batch = calloc(batch_size, sizeof(*batch)))) { perror("calloc(batch)"); return -1; } gettimeofday(&timeout, NULL); timeout.tv_sec += max_seconds; printf("RND SECND NAT RND ATT UNA\n"); for (round = 0; ; round++) { int i, res; struct timeval now, start; printf("%3d ", round+1); gettimeofday(&start, NULL); printf("%5.1f ", max_seconds - timevaldiff(timeout, start)/1000000.0f); for (cnt = i = 0; i < batch_size; i++, cnt++) { - batch[i].src.s_addr = prv.s_addr | htonl(rand_range(0, 0xffff)); + batch[i].src.s_addr = prv1.s_addr | htonl(rand_range(0, 0xffff)); batch[i].dst.s_addr = ext.s_addr | htonl(rand_range(0, 0xffff)); batch[i].sport = rand_range(1000, 60000); batch[i].dport = rand_range(1000, 60000); p->ip_src = batch[i].src; p->ip_dst = batch[i].dst; u = set_udp(p, batch[i].sport, batch[i].dport); res = LibAliasOut(la, p, 64); batch[i].aport = htons(u->uh_sport); if (res == PKT_ALIAS_OK && u->uh_dport == htons(batch[i].dport) && addr_eq(p->ip_dst, batch[i].dst) && addr_eq(p->ip_src, masq)) nat.ok++; else nat.fail++; gettimeofday(&now, NULL); if(timevalcmp(now, timeout, >=)) goto out; } if (cnt > 0) printf("%3.0f ", timevaldiff(now, start) / cnt); start = now; for (cnt = i = 0; i < random_size; i++, cnt++) { p->ip_src.s_addr = ext.s_addr & htonl(0xfff00000); p->ip_src.s_addr |= htonl(rand_range(0, 0xffff)); p->ip_dst = masq; u = set_udp(p, rand_range(1, 0xffff), rand_range(1, 0xffff)); res = LibAliasIn(la, p, 64); if (res == PKT_ALIAS_OK) random.ok++; else random.fail++; gettimeofday(&now, NULL); if(timevalcmp(now, timeout, >=)) goto out; } if (cnt > 0) printf("%3.0f ", timevaldiff(now, start) / cnt); start = now; p->ip_src.s_addr = ext.s_addr & htonl(0xfff00000); p->ip_src.s_addr |= htonl(rand_range(0, 0xffff)); p->ip_dst = masq; u = set_udp(p, rand_range(1, 0xffff), rand_range(1, 0xffff)); for (cnt = i = 0; i < attack_length; i++, cnt++) { res = LibAliasIn(la, p, 64); if (res == PKT_ALIAS_OK) attack.ok++; else attack.fail++; gettimeofday(&now, NULL); if(timevalcmp(now, timeout, >=)) goto out; } if (cnt > 0) printf("%3.0f ", timevaldiff(now, start) / cnt); qsort(batch, batch_size, sizeof(*batch), randcmp); gettimeofday(&start, NULL); for (cnt = i = 0; i < batch_size; i++, cnt++) { p->ip_src = batch[i].dst; p->ip_dst = masq; u = set_udp(p, batch[i].dport, batch[i].aport); res = LibAliasIn(la, p, 64); batch[i].aport = htons(u->uh_sport); if (res == PKT_ALIAS_OK && u->uh_sport == htons(batch[i].dport) && u->uh_dport == htons(batch[i].sport) && addr_eq(p->ip_dst, batch[i].src) && addr_eq(p->ip_src, batch[i].dst)) unnat.ok++; else unnat.fail++; gettimeofday(&now, NULL); if(timevalcmp(now, timeout, >=)) goto out; } if (cnt > 0) printf("%3.0f\n", timevaldiff(now, start) / cnt); } out: printf("\n\n"); free(batch); free(p); LibAliasUninit(la); printf("Results\n"); printf(" Rounds : %7u\n", round); printf(" NAT ok : %7lu\n", nat.ok); printf(" NAT fail: %7lu\n", nat.fail); printf(" UNNAT ok : %7lu\n", unnat.ok); printf(" UNNAT fail: %7lu\n", unnat.fail); printf("RANDOM ok : %7lu\n", random.ok); printf("RANDOM fail: %7lu\n", random.fail); printf("ATTACK ok : %7lu\n", attack.ok); printf("ATTACK fail: %7lu\n", attack.fail); printf(" -------------------\n"); printf(" Total: %7lu\n", nat.ok + nat.fail + unnat.ok + unnat.fail + random.ok + random.fail + attack.ok + attack.fail); return (0); } diff --git a/tests/sys/netinet/libalias/util.c b/tests/sys/netinet/libalias/util.c index df2e320a4eba..681c3b20ee41 100644 --- a/tests/sys/netinet/libalias/util.c +++ b/tests/sys/netinet/libalias/util.c @@ -1,114 +1,122 @@ /* * 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 #include #include #include "util.h" +/* common ip ranges */ +struct in_addr masq = { htonl(0x01020304) }; +struct in_addr pub = { htonl(0x0102dead) }; +struct in_addr prv1 = { htonl(0x0a00dead) }; +struct in_addr prv2 = { htonl(0xac10dead) }; +struct in_addr prv3 = { htonl(0xc0a8dead) }; +struct in_addr cgn = { htonl(0x6440dead) }; +struct in_addr ext = { htonl(0x12345678) }; +struct in_addr ANY_ADDR = { 0 }; + #define REQUIRE(x) do { \ if (!(x)) { \ fprintf(stderr, "Failed in %s %s:%d.\n",\ __FUNCTION__, __FILE__, __LINE__); \ exit(-1); \ } \ } while(0) int randcmp(const void *a, const void *b) { int res, r = rand(); (void)a; (void)b; res = (r/4 < RAND_MAX/9) ? 1 : (r/5 < RAND_MAX/9) ? 0 : -1; return (res); } void hexdump(void *p, size_t len) { size_t i; unsigned char *c = p; for (i = 0; i < len; i++) { printf(" %02x", c[i]); switch (i & 0xf) { case 0xf: printf("\n"); break; case 0x7: printf(" "); break; default: break; } } if ((i & 0xf) != 0x0) printf("\n"); } struct ip * -ip_packet(struct in_addr src, struct in_addr dst, u_char protocol, size_t len) +ip_packet(u_char protocol, size_t len) { struct ip * p; REQUIRE(len >= 64 && len <= IP_MAXPACKET); p = calloc(1, len); REQUIRE(p != NULL); p->ip_v = IPVERSION; p->ip_hl = sizeof(*p)/4; p->ip_len = htons(len); p->ip_ttl = IPDEFTTL; - p->ip_src = src; - p->ip_dst = dst; p->ip_p = protocol; REQUIRE(p->ip_hl == 5); return (p); } struct udphdr * set_udp(struct ip *p, u_short sport, u_short dport) { uint32_t *up = (void *)p; struct udphdr *u = (void *)&(up[p->ip_hl]); int payload = ntohs(p->ip_len) - 4*p->ip_hl; REQUIRE(payload >= (int)sizeof(*u)); p->ip_p = IPPROTO_UDP; u->uh_sport = htons(sport); u->uh_dport = htons(dport); u->uh_ulen = htons(payload); return (u); } diff --git a/tests/sys/netinet/libalias/util.h b/tests/sys/netinet/libalias/util.h index f441aea49cfb..81d71049b57f 100644 --- a/tests/sys/netinet/libalias/util.h +++ b/tests/sys/netinet/libalias/util.h @@ -1,62 +1,137 @@ /* * 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 #include #include #include #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(struct in_addr src, struct in_addr dst, u_char protocol, 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 */