diff options
Diffstat (limited to 'tools/testing/selftests/net/tcp_ao/connect-deny.c')
| -rw-r--r-- | tools/testing/selftests/net/tcp_ao/connect-deny.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/tcp_ao/connect-deny.c b/tools/testing/selftests/net/tcp_ao/connect-deny.c new file mode 100644 index 000000000000..1ca78040d8b7 --- /dev/null +++ b/tools/testing/selftests/net/tcp_ao/connect-deny.c @@ -0,0 +1,264 @@ +// SPDX-License-Identifier: GPL-2.0 +/* Author: Dmitry Safonov <dima@arista.com> */ +#include <inttypes.h> +#include "aolib.h" + +#define fault(type) (inj == FAULT_ ## type) + +static inline int test_add_key_maclen(int sk, const char *key, uint8_t maclen, + union tcp_addr in_addr, uint8_t prefix, + uint8_t sndid, uint8_t rcvid) +{ + struct tcp_ao_add tmp = {}; + int err; + + if (prefix > DEFAULT_TEST_PREFIX) + prefix = DEFAULT_TEST_PREFIX; + + err = test_prepare_key(&tmp, DEFAULT_TEST_ALGO, in_addr, false, false, + prefix, 0, sndid, rcvid, maclen, + 0, strlen(key), key); + if (err) + return err; + + err = setsockopt(sk, IPPROTO_TCP, TCP_AO_ADD_KEY, &tmp, sizeof(tmp)); + if (err < 0) + return -errno; + + return test_verify_socket_key(sk, &tmp); +} + +static void try_accept(const char *tst_name, unsigned int port, const char *pwd, + union tcp_addr addr, uint8_t prefix, + uint8_t sndid, uint8_t rcvid, uint8_t maclen, + const char *cnt_name, test_cnt cnt_expected, + fault_t inj) +{ + struct tcp_ao_counters ao_cnt1, ao_cnt2; + uint64_t before_cnt = 0, after_cnt = 0; /* silence GCC */ + int lsk, err, sk = 0; + time_t timeout; + + lsk = test_listen_socket(this_ip_addr, port, 1); + + if (pwd && test_add_key_maclen(lsk, pwd, maclen, addr, prefix, sndid, rcvid)) + test_error("setsockopt(TCP_AO_ADD_KEY)"); + + if (cnt_name) + before_cnt = netstat_get_one(cnt_name, NULL); + if (pwd && test_get_tcp_ao_counters(lsk, &ao_cnt1)) + test_error("test_get_tcp_ao_counters()"); + + synchronize_threads(); /* preparations done */ + + timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC; + err = test_wait_fd(lsk, timeout, 0); + if (err == -ETIMEDOUT) { + if (!fault(TIMEOUT)) + test_fail("timeouted for accept()"); + } else if (err < 0) { + test_error("test_wait_fd()"); + } else { + if (fault(TIMEOUT)) + test_fail("ready to accept"); + + sk = accept(lsk, NULL, NULL); + if (sk < 0) { + test_error("accept()"); + } else { + if (fault(TIMEOUT)) + test_fail("%s: accepted", tst_name); + } + } + + if (pwd && test_get_tcp_ao_counters(lsk, &ao_cnt2)) + test_error("test_get_tcp_ao_counters()"); + + close(lsk); + if (pwd) + test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected); + + if (!cnt_name) + goto out; + + after_cnt = netstat_get_one(cnt_name, NULL); + + if (after_cnt <= before_cnt) { + test_fail("%s: %s counter did not increase: %zu <= %zu", + tst_name, cnt_name, after_cnt, before_cnt); + } else { + test_ok("%s: counter %s increased %zu => %zu", + tst_name, cnt_name, before_cnt, after_cnt); + } + +out: + synchronize_threads(); /* close() */ + if (sk > 0) + close(sk); +} + +static void *server_fn(void *arg) +{ + union tcp_addr wrong_addr, network_addr; + unsigned int port = test_server_port; + + if (inet_pton(TEST_FAMILY, TEST_WRONG_IP, &wrong_addr) != 1) + test_error("Can't convert ip address %s", TEST_WRONG_IP); + + try_accept("Non-AO server + AO client", port++, NULL, + this_ip_dest, -1, 100, 100, 0, + "TCPAOKeyNotFound", 0, FAULT_TIMEOUT); + + try_accept("AO server + Non-AO client", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, + "TCPAORequired", TEST_CNT_AO_REQUIRED, FAULT_TIMEOUT); + + try_accept("Wrong password", port++, "something that is not DEFAULT_TEST_PASSWORD", + this_ip_dest, -1, 100, 100, 0, + "TCPAOBad", TEST_CNT_BAD, FAULT_TIMEOUT); + + try_accept("Wrong rcv id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 101, 0, + "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND, FAULT_TIMEOUT); + + try_accept("Wrong snd id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 101, 100, 0, + "TCPAOGood", TEST_CNT_GOOD, FAULT_TIMEOUT); + + try_accept("Different maclen", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 8, + "TCPAOBad", TEST_CNT_BAD, FAULT_TIMEOUT); + + try_accept("Server: Wrong addr", port++, DEFAULT_TEST_PASSWORD, + wrong_addr, -1, 100, 100, 0, + "TCPAOKeyNotFound", TEST_CNT_AO_KEY_NOT_FOUND, FAULT_TIMEOUT); + + try_accept("Client: Wrong addr", port++, NULL, + this_ip_dest, -1, 100, 100, 0, NULL, 0, FAULT_TIMEOUT); + + try_accept("rcv id != snd id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 200, 100, 0, + "TCPAOGood", TEST_CNT_GOOD, 0); + + if (inet_pton(TEST_FAMILY, TEST_NETWORK, &network_addr) != 1) + test_error("Can't convert ip address %s", TEST_NETWORK); + + try_accept("Server: prefix match", port++, DEFAULT_TEST_PASSWORD, + network_addr, 16, 100, 100, 0, + "TCPAOGood", TEST_CNT_GOOD, 0); + + try_accept("Client: prefix match", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, + "TCPAOGood", TEST_CNT_GOOD, 0); + + /* client exits */ + synchronize_threads(); + return NULL; +} + +static void try_connect(const char *tst_name, unsigned int port, + const char *pwd, union tcp_addr addr, uint8_t prefix, + uint8_t sndid, uint8_t rcvid, + test_cnt cnt_expected, fault_t inj) +{ + struct tcp_ao_counters ao_cnt1, ao_cnt2; + time_t timeout; + int sk, ret; + + sk = socket(test_family, SOCK_STREAM, IPPROTO_TCP); + if (sk < 0) + test_error("socket()"); + + if (pwd && test_add_key(sk, pwd, addr, prefix, sndid, rcvid)) + test_error("setsockopt(TCP_AO_ADD_KEY)"); + + if (pwd && test_get_tcp_ao_counters(sk, &ao_cnt1)) + test_error("test_get_tcp_ao_counters()"); + + synchronize_threads(); /* preparations done */ + + timeout = fault(TIMEOUT) ? TEST_RETRANSMIT_SEC : TEST_TIMEOUT_SEC; + ret = _test_connect_socket(sk, this_ip_dest, port, timeout); + + if (ret < 0) { + if (fault(KEYREJECT) && ret == -EKEYREJECTED) { + test_ok("%s: connect() was prevented", tst_name); + } else if (ret == -ETIMEDOUT && fault(TIMEOUT)) { + test_ok("%s", tst_name); + } else if (ret == -ECONNREFUSED && + (fault(TIMEOUT) || fault(KEYREJECT))) { + test_ok("%s: refused to connect", tst_name); + } else { + test_error("%s: connect() returned %d", tst_name, ret); + } + goto out; + } + + if (fault(TIMEOUT) || fault(KEYREJECT)) + test_fail("%s: connected", tst_name); + else + test_ok("%s: connected", tst_name); + if (pwd && ret > 0) { + if (test_get_tcp_ao_counters(sk, &ao_cnt2)) + test_error("test_get_tcp_ao_counters()"); + test_tcp_ao_counters_cmp(tst_name, &ao_cnt1, &ao_cnt2, cnt_expected); + } +out: + synchronize_threads(); /* close() */ + + if (ret > 0) + close(sk); +} + +static void *client_fn(void *arg) +{ + union tcp_addr wrong_addr, network_addr; + unsigned int port = test_server_port; + + if (inet_pton(TEST_FAMILY, TEST_WRONG_IP, &wrong_addr) != 1) + test_error("Can't convert ip address %s", TEST_WRONG_IP); + + try_connect("Non-AO server + AO client", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("AO server + Non-AO client", port++, NULL, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Wrong password", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Wrong rcv id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Wrong snd id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Different maclen", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Server: Wrong addr", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT); + + try_connect("Client: Wrong addr", port++, DEFAULT_TEST_PASSWORD, + wrong_addr, -1, 100, 100, 0, FAULT_KEYREJECT); + + try_connect("rcv id != snd id", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 200, TEST_CNT_GOOD, 0); + + if (inet_pton(TEST_FAMILY, TEST_NETWORK, &network_addr) != 1) + test_error("Can't convert ip address %s", TEST_NETWORK); + + try_connect("Server: prefix match", port++, DEFAULT_TEST_PASSWORD, + this_ip_dest, -1, 100, 100, TEST_CNT_GOOD, 0); + + try_connect("Client: prefix match", port++, DEFAULT_TEST_PASSWORD, + network_addr, 16, 100, 100, TEST_CNT_GOOD, 0); + + return NULL; +} + +int main(int argc, char *argv[]) +{ + test_init(21, server_fn, client_fn); + return 0; +} |