diff --git a/tests/sys/netinet/libalias/1_instance.c b/tests/sys/netinet/libalias/1_instance.c index d2f20011c520..842acb41bb90 100644 --- a/tests/sys/netinet/libalias/1_instance.c +++ b/tests/sys/netinet/libalias/1_instance.c @@ -1,86 +1,119 @@ +/* + * 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" ATF_TC(2_destroynull); ATF_TC_HEAD(2_destroynull, env) { atf_tc_set_md_var(env, "descr", "Destroy the NULL instance"); } ATF_TC_BODY(2_destroynull, dummy) { atf_tc_expect_death("Code expects valid pointer."); LibAliasUninit(NULL); } ATF_TC(1_singleinit); ATF_TC_HEAD(1_singleinit, env) { atf_tc_set_md_var(env, "descr", "Create an instance"); } ATF_TC_BODY(1_singleinit, dummy) { struct libalias *la; la = LibAliasInit(NULL); ATF_CHECK_MSG(la != NULL, "Creating an instance failed."); LibAliasUninit(la); } ATF_TC(3_multiinit); ATF_TC_HEAD(3_multiinit, env) { atf_tc_set_md_var(env, "descr", "Recreate an instance multiple times"); } ATF_TC_BODY(3_multiinit, dummy) { struct libalias *la; int i; la = LibAliasInit(NULL); for(i = 1; i < 30; i++) { struct libalias *lo = la; la = LibAliasInit(la); ATF_CHECK_MSG(la == lo, "Recreating moved the instance around: %d", i); } LibAliasUninit(la); } ATF_TC(4_multiinstance); ATF_TC_HEAD(4_multiinstance, env) { atf_tc_set_md_var(env, "descr", "Create and destoy multiple instances."); } ATF_TC_BODY(4_multiinstance, dummy) { struct libalias *la[300]; int const num_instances = sizeof(la) / sizeof(*la); int i; for (i = 0; i < num_instances; i++) { la[i] = LibAliasInit(NULL); ATF_CHECK_MSG(la[i] != NULL, "Creating instance %d failed.", i); } qsort(la, num_instances, sizeof(*la), randcmp); for (i = 0; i < num_instances; i++) LibAliasUninit(la[i]); } ATF_TP_ADD_TCS(instance) { /* Use "dd if=/dev/random bs=2 count=1 | od -x" to reproduce */ srand(0x5ac4); ATF_TP_ADD_TC(instance, 2_destroynull); ATF_TP_ADD_TC(instance, 1_singleinit); ATF_TP_ADD_TC(instance, 3_multiinit); ATF_TP_ADD_TC(instance, 4_multiinstance); return atf_no_error(); } diff --git a/tests/sys/netinet/libalias/2_natout.c b/tests/sys/netinet/libalias/2_natout.c index 513ff359b1d9..5b3e9a906bf5 100644 --- a/tests/sys/netinet/libalias/2_natout.c +++ b/tests/sys/netinet/libalias/2_natout.c @@ -1,381 +1,414 @@ +/* + * 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); 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); /* * 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); 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); /* * 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); 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)); 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)); /* 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)); /* 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)); /* 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)); 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)); 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)); /* 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)); 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)); /* 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); /* 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)); /* 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)); 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); 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)); 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)); } } 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 fadbb439774a..365b8f2e9fcc 100644 --- a/tests/sys/netinet/libalias/perf.c +++ b/tests/sys/netinet/libalias/perf.c @@ -1,198 +1,231 @@ +/* + * 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); ext.s_addr &= htonl(0xffff0000); p = ip_packet(prv, ext, 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].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 5e880752d261..df2e320a4eba 100644 --- a/tests/sys/netinet/libalias/util.c +++ b/tests/sys/netinet/libalias/util.c @@ -1,81 +1,114 @@ +/* + * 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" #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) { 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 5edbadb2f64a..f441aea49cfb 100644 --- a/tests/sys/netinet/libalias/util.h +++ b/tests/sys/netinet/libalias/util.h @@ -1,29 +1,62 @@ +/* + * 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 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 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); } #endif /* _UTIL_H */