1 // SPDX-License-Identifier: GPL-2.0 2 /* Author: Dmitry Safonov <dima@arista.com> */ 3 #include <inttypes.h> 4 #include "aolib.h" 5 6 #define fault(type) (inj == FAULT_ ## type) 7 8 static inline int test_add_key_maclen(int sk, const char *key, uint8_t maclen, 9 union tcp_addr in_addr, uint8_t prefix, 10 uint8_t sndid, uint8_t rcvid) 11 { 12 struct tcp_ao_add tmp = {}; 13 int err; 14 15 if (prefix > DEFAULT_TEST_PREFIX) 16 prefix = DEFAULT_TEST_PREFIX; 17 18 err = test_prepare_key(&tmp, DEFAULT_TEST_ALGO, in_addr, false, false, 19 prefix, 0, sndid, rcvid, maclen, 20 0, strlen(key), key); 21 if (err) 22 return err; 23 24 err = setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &tmp, sizeof(tmp)); 25 if (err < 0) 26 return -errno; 27 28 return test_verify_socket_key(sk, &tmp); 29 } 30 31 static void try_accept(const char *tst_name, unsigned int port, const char *pwd, 32 union tcp_addr addr, uint8_t prefix, 33 uint8_t sndid, uint8_t rcvid, uint8_t maclen, 34 const char *cnt_name, test_cnt cnt_expected, 35 fault_t inj) 36 { 37 struct tcp_ao_counters ao_cnt1, ao_cnt2; 38 uint64_t before_cnt = 0, after_cnt = 0; /* silence GCC */ 39 int lsk, err, sk = 0; 40 time_t timeout; 41 42 lsk = test_listen_socket(this_ip_addr, port, 1); 43 44 if (pwd && test_add_key_maclen(lsk, pwd, maclen, addr, prefix, sndid, rcvid)) 45 test_error("setsockopt(TCP_AO_ADD_KEY)"); 46 47 if (cnt_name) 48 before_cnt = netstat_get_one(cnt_name, NULL); 49 if (pwd && test_get_tcp_ao_counters(lsk, &ao_cnt1)) 50 test_error("test_get_tcp_ao_counters()"); 51 52 synchronize_threads(); /* preparations done */ 53 54 timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC; 55 err = test_wait_fd(lsk, timeout, 0); 56 if (err == -ETIMEDOUT) { 57 if (!fault(TIMEOUT)) 58 test_fail("timed out for accept()"); 59 } else if (err < 0) { 60 test_error("test_wait_fd()"); 61 } else { 62 if (fault(TIMEOUT)) 63 test_fail("ready to accept"); 64 65 sk = accept(lsk, NULL, NULL); 66 if (sk < 0) { 67 test_error("accept()"); 68 } else { 69 if (fault(TIMEOUT)) 70 test_fail("%s: accepted", tst_name); 71 } 72 } 73 74 if (pwd && test_get_tcp_ao_counters(lsk, &ao_cnt2)) 75 test_error("test_get_tcp_ao_counters()"); 76 77 close(lsk); 78 if (pwd) 79 test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected); 80 81 if (!cnt_name) 82 goto out; 83 84 after_cnt = netstat_get_one(cnt_name, NULL); 85 86 if (after_cnt <= before_cnt) { 87 test_fail("%s: %s counter did not increase: %zu <= %zu", 88 tst_name, cnt_name, after_cnt, before_cnt); 89 } else { 90 test_ok("%s: counter %s increased %zu => %zu", 91 tst_name, cnt_name, before_cnt, after_cnt); 92 } 93 94 out: 95 synchronize_threads(); /* close() */ 96 if (sk > 0) 97 close(sk); 98 } 99 100 static void *server_fn(void *arg) 101 { 102 union tcp_addr wrong_addr, network_addr; 103 unsigned int port = test_server_port; 104 105 if (inet_pton(TEST_FAMILY, TEST_WRONG_IP, &wrong_addr) != 1) 106 test_error("Can't convert ip address %s", TEST_WRONG_IP); 107 108 try_accept("Non-AO server + AO client", port++, NULL, 109 this_ip_dest, -1, 100, 100, 0, 110 "TCPAOKeyNotFound", 0, FAULT_TIMEOUT); 111 112 try_accept("AO server + Non-AO client", port++, DEFAULT_TEST_PASSWORD, 113 this_ip_dest, -1, 100, 100, 0, 114 "TCPAORequired", TEST_CNT_AO_REQUIRED, FAULT_TIMEOUT); 115 116 try_accept("Wrong password", port++, "something that is not DEFAULT_TEST_PASSWORD", 117 this_ip_dest, -1, 100, 100, 0, 118 "TCPAOBad", TEST_CNT_BAD, FAULT_TIMEOUT); 119 120 try_accept("Wrong rcv id", port++, DEFAULT_TEST_PASSWORD, 121 this_ip_dest, -1, 100, 101, 0, 122 "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND, FAULT_TIMEOUT); 123 124 try_accept("Wrong snd id", port++, DEFAULT_TEST_PASSWORD, 125 this_ip_dest, -1, 101, 100, 0, 126 "TCPAOGood", TEST_CNT_GOOD, FAULT_TIMEOUT); 127 128 try_accept("Different maclen", port++, DEFAULT_TEST_PASSWORD, 129 this_ip_dest, -1, 100, 100, 8, 130 "TCPAOBad", TEST_CNT_BAD, FAULT_TIMEOUT); 131 132 try_accept("Server: Wrong addr", port++, DEFAULT_TEST_PASSWORD, 133 wrong_addr, -1, 100, 100, 0, 134 "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND, FAULT_TIMEOUT); 135 136 try_accept("Client: Wrong addr", port++, NULL, 137 this_ip_dest, -1, 100, 100, 0, NULL, 0, FAULT_TIMEOUT); 138 139 try_accept("rcv id != snd id", port++, DEFAULT_TEST_PASSWORD, 140 this_ip_dest, -1, 200, 100, 0, 141 "TCPAOGood", TEST_CNT_GOOD, 0); 142 143 if (inet_pton(TEST_FAMILY, TEST_NETWORK, &network_addr) != 1) 144 test_error("Can't convert ip address %s", TEST_NETWORK); 145 146 try_accept("Server: prefix match", port++, DEFAULT_TEST_PASSWORD, 147 network_addr, 16, 100, 100, 0, 148 "TCPAOGood", TEST_CNT_GOOD, 0); 149 150 try_accept("Client: prefix match", port++, DEFAULT_TEST_PASSWORD, 151 this_ip_dest, -1, 100, 100, 0, 152 "TCPAOGood", TEST_CNT_GOOD, 0); 153 154 /* client exits */ 155 synchronize_threads(); 156 return NULL; 157 } 158 159 static void try_connect(const char *tst_name, unsigned int port, 160 const char *pwd, union tcp_addr addr, uint8_t prefix, 161 uint8_t sndid, uint8_t rcvid, 162 test_cnt cnt_expected, fault_t inj) 163 { 164 struct tcp_ao_counters ao_cnt1, ao_cnt2; 165 time_t timeout; 166 int sk, ret; 167 168 sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); 169 if (sk < 0) 170 test_error("socket()"); 171 172 if (pwd && test_add_key(sk, pwd, addr, prefix, sndid, rcvid)) 173 test_error("setsockopt(TCP_AO_ADD_KEY)"); 174 175 if (pwd && test_get_tcp_ao_counters(sk, &ao_cnt1)) 176 test_error("test_get_tcp_ao_counters()"); 177 178 synchronize_threads(); /* preparations done */ 179 180 timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC; 181 ret = _test_connect_socket(sk, this_ip_dest, port, timeout); 182 183 if (ret < 0) { 184 if (fault(KEYREJECT) && ret == -EKEYREJECTED) { 185 test_ok("%s: connect() was prevented", tst_name); 186 } else if (ret == -ETIMEDOUT && fault(TIMEOUT)) { 187 test_ok("%s", tst_name); 188 } else if (ret == -ECONNREFUSED && 189 (fault(TIMEOUT) || fault(KEYREJECT))) { 190 test_ok("%s: refused to connect", tst_name); 191 } else { 192 test_error("%s: connect() returned %d", tst_name, ret); 193 } 194 goto out; 195 } 196 197 if (fault(TIMEOUT) || fault(KEYREJECT)) 198 test_fail("%s: connected", tst_name); 199 else 200 test_ok("%s: connected", tst_name); 201 if (pwd && ret > 0) { 202 if (test_get_tcp_ao_counters(sk, &ao_cnt2)) 203 test_error("test_get_tcp_ao_counters()"); 204 test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected); 205 } 206 out: 207 synchronize_threads(); /* close() */ 208 209 if (ret > 0) 210 close(sk); 211 } 212 213 static void *client_fn(void *arg) 214 { 215 union tcp_addr wrong_addr, network_addr; 216 unsigned int port = test_server_port; 217 218 if (inet_pton(TEST_FAMILY, TEST_WRONG_IP, &wrong_addr) != 1) 219 test_error("Can't convert ip address %s", TEST_WRONG_IP); 220 221 try_connect("Non-AO server + AO client", port++, DEFAULT_TEST_PASSWORD, 222 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 223 224 try_connect("AO server + Non-AO client", port++, NULL, 225 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 226 227 try_connect("Wrong password", port++, DEFAULT_TEST_PASSWORD, 228 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 229 230 try_connect("Wrong rcv id", port++, DEFAULT_TEST_PASSWORD, 231 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 232 233 try_connect("Wrong snd id", port++, DEFAULT_TEST_PASSWORD, 234 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 235 236 try_connect("Different maclen", port++, DEFAULT_TEST_PASSWORD, 237 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 238 239 try_connect("Server: Wrong addr", port++, DEFAULT_TEST_PASSWORD, 240 this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); 241 242 try_connect("Client: Wrong addr", port++, DEFAULT_TEST_PASSWORD, 243 wrong_addr, -1, 100, 100, 0, FAULT_KEYREJECT); 244 245 try_connect("rcv id != snd id", port++, DEFAULT_TEST_PASSWORD, 246 this_ip_dest, -1, 100, 200, TEST_CNT_GOOD, 0); 247 248 if (inet_pton(TEST_FAMILY, TEST_NETWORK, &network_addr) != 1) 249 test_error("Can't convert ip address %s", TEST_NETWORK); 250 251 try_connect("Server: prefix match", port++, DEFAULT_TEST_PASSWORD, 252 this_ip_dest, -1, 100, 100, TEST_CNT_GOOD, 0); 253 254 try_connect("Client: prefix match", port++, DEFAULT_TEST_PASSWORD, 255 network_addr, 16, 100, 100, TEST_CNT_GOOD, 0); 256 257 return NULL; 258 } 259 260 int main(int argc, char *argv[]) 261 { 262 test_init(21, server_fn, client_fn); 263 return 0; 264 } 265