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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | // SPDX-License-Identifier: GPL-2.0 /* Author: Dmitry Safonov <dima@arista.com> */ #include <inttypes.h> #include "aolib.h" static union tcp_addr local_addr; static void __setup_lo_intf(const char *lo_intf, const char *addr_str, uint8_t prefix) { if (inet_pton(TEST_FAMILY, addr_str, &local_addr) != 1) test_error("Can't convert local ip address"); if (ip_addr_add(lo_intf, TEST_FAMILY, local_addr, prefix)) test_error("Failed to add %s ip address", lo_intf); if (link_set_up(lo_intf)) test_error("Failed to bring %s up", lo_intf); } static void setup_lo_intf(const char *lo_intf) { #ifdef IPV6_TEST __setup_lo_intf(lo_intf, "::1", 128); #else __setup_lo_intf(lo_intf, "127.0.0.1", 8); #endif } static void tcp_self_connect(const char *tst, unsigned int port, bool different_keyids, bool check_restore) { uint64_t before_challenge_ack, after_challenge_ack; uint64_t before_syn_challenge, after_syn_challenge; struct tcp_ao_counters before_ao, after_ao; uint64_t before_aogood, after_aogood; struct netstat *ns_before, *ns_after; const size_t nr_packets = 20; struct tcp_ao_repair ao_img; struct tcp_sock_state img; sockaddr_af addr; int sk; tcp_addr_to_sockaddr_in(&addr, &local_addr, htons(port)); sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); if (sk < 0) test_error("socket()"); if (different_keyids) { if (test_add_key(sk, DEFAULT_TEST_PASSWORD, local_addr, -1, 5, 7)) test_error("setsockopt(TCP_AO_ADD_KEY)"); if (test_add_key(sk, DEFAULT_TEST_PASSWORD, local_addr, -1, 7, 5)) test_error("setsockopt(TCP_AO_ADD_KEY)"); } else { if (test_add_key(sk, DEFAULT_TEST_PASSWORD, local_addr, -1, 100, 100)) test_error("setsockopt(TCP_AO_ADD_KEY)"); } if (bind(sk, (struct sockaddr *)&addr, sizeof(addr)) < 0) test_error("bind()"); ns_before = netstat_read(); before_aogood = netstat_get(ns_before, "TCPAOGood", NULL); before_challenge_ack = netstat_get(ns_before, "TCPChallengeACK", NULL); before_syn_challenge = netstat_get(ns_before, "TCPSYNChallenge", NULL); if (test_get_tcp_ao_counters(sk, &before_ao)) test_error("test_get_tcp_ao_counters()"); if (__test_connect_socket(sk, "lo", (struct sockaddr *)&addr, sizeof(addr), TEST_TIMEOUT_SEC) < 0) { ns_after = netstat_read(); netstat_print_diff(ns_before, ns_after); test_error("failed to connect()"); } if (test_client_verify(sk, 100, nr_packets, TEST_TIMEOUT_SEC)) { test_fail("%s: tcp connection verify failed", tst); close(sk); return; } ns_after = netstat_read(); after_aogood = netstat_get(ns_after, "TCPAOGood", NULL); after_challenge_ack = netstat_get(ns_after, "TCPChallengeACK", NULL); after_syn_challenge = netstat_get(ns_after, "TCPSYNChallenge", NULL); if (test_get_tcp_ao_counters(sk, &after_ao)) test_error("test_get_tcp_ao_counters()"); if (!check_restore) { /* to debug: netstat_print_diff(ns_before, ns_after); */ netstat_free(ns_before); } netstat_free(ns_after); if (after_aogood <= before_aogood) { test_fail("%s: TCPAOGood counter mismatch: %zu <= %zu", tst, after_aogood, before_aogood); close(sk); return; } if (after_challenge_ack <= before_challenge_ack || after_syn_challenge <= before_syn_challenge) { /* * It's also meant to test simultaneous open, so check * these counters as well. */ test_fail("%s: Didn't challenge SYN or ACK: %zu <= %zu OR %zu <= %zu", tst, after_challenge_ack, before_challenge_ack, after_syn_challenge, before_syn_challenge); close(sk); return; } if (test_tcp_ao_counters_cmp(tst, &before_ao, &after_ao, TEST_CNT_GOOD)) { close(sk); return; } if (!check_restore) { test_ok("%s: connect TCPAOGood %" PRIu64 " => %" PRIu64, tst, before_aogood, after_aogood); close(sk); return; } test_enable_repair(sk); test_sock_checkpoint(sk, &img, &addr); #ifdef IPV6_TEST addr.sin6_port = htons(port + 1); #else addr.sin_port = htons(port + 1); #endif test_ao_checkpoint(sk, &ao_img); test_kill_sk(sk); sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); if (sk < 0) test_error("socket()"); test_enable_repair(sk); __test_sock_restore(sk, "lo", &img, &addr, &addr, sizeof(addr)); if (different_keyids) { if (test_add_repaired_key(sk, DEFAULT_TEST_PASSWORD, 0, local_addr, -1, 7, 5)) test_error("setsockopt(TCP_AO_ADD_KEY)"); if (test_add_repaired_key(sk, DEFAULT_TEST_PASSWORD, 0, local_addr, -1, 5, 7)) test_error("setsockopt(TCP_AO_ADD_KEY)"); } else { if (test_add_repaired_key(sk, DEFAULT_TEST_PASSWORD, 0, local_addr, -1, 100, 100)) test_error("setsockopt(TCP_AO_ADD_KEY)"); } test_ao_restore(sk, &ao_img); test_disable_repair(sk); test_sock_state_free(&img); if (test_client_verify(sk, 100, nr_packets, TEST_TIMEOUT_SEC)) { test_fail("%s: tcp connection verify failed", tst); close(sk); return; } ns_after = netstat_read(); after_aogood = netstat_get(ns_after, "TCPAOGood", NULL); /* to debug: netstat_print_diff(ns_before, ns_after); */ netstat_free(ns_before); netstat_free(ns_after); close(sk); if (after_aogood <= before_aogood) { test_fail("%s: TCPAOGood counter mismatch: %zu <= %zu", tst, after_aogood, before_aogood); return; } test_ok("%s: connect TCPAOGood %" PRIu64 " => %" PRIu64, tst, before_aogood, after_aogood); } static void *client_fn(void *arg) { unsigned int port = test_server_port; setup_lo_intf("lo"); tcp_self_connect("self-connect(same keyids)", port++, false, false); tcp_self_connect("self-connect(different keyids)", port++, true, false); tcp_self_connect("self-connect(restore)", port, false, true); port += 2; tcp_self_connect("self-connect(restore, different keyids)", port, true, true); port += 2; return NULL; } int main(int argc, char *argv[]) { test_init(4, client_fn, NULL); return 0; } |