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// 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("timed out 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);
}
}
synchronize_threads(); /* before counter checks */
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: %" PRIu64 " <= %" PRIu64,
tst_name, cnt_name, after_cnt, before_cnt);
} else {
test_ok("%s: counter %s increased %" PRIu64 " => %" PRIu64,
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);
synchronize_threads(); /* before counter checks */
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, addr_any = {};
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);
trace_ao_event_expect(TCP_AO_KEY_NOT_FOUND, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0, 100, 100, -1);
try_connect("Non-AO server + AO client", port++, DEFAULT_TEST_PASSWORD,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_hash_event_expect(TCP_HASH_AO_REQUIRED, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0);
try_connect("AO server + Non-AO client", port++, NULL,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_ao_event_expect(TCP_AO_MISMATCH, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0, 100, 100, -1);
try_connect("Wrong password", port++, DEFAULT_TEST_PASSWORD,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_ao_event_expect(TCP_AO_KEY_NOT_FOUND, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0, 100, 100, -1);
try_connect("Wrong rcv id", port++, DEFAULT_TEST_PASSWORD,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_ao_event_sk_expect(TCP_AO_SYNACK_NO_KEY, this_ip_dest, addr_any,
port, 0, 100, 100);
try_connect("Wrong snd id", port++, DEFAULT_TEST_PASSWORD,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_ao_event_expect(TCP_AO_WRONG_MACLEN, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0, 100, 100, -1);
try_connect("Different maclen", port++, DEFAULT_TEST_PASSWORD,
this_ip_dest, -1, 100, 100, 0, FAULT_TIMEOUT);
trace_ao_event_expect(TCP_AO_KEY_NOT_FOUND, this_ip_addr, this_ip_dest,
-1, port, 0, 0, 1, 0, 0, 0, 100, 100, -1);
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(22, server_fn, client_fn);
return 0;
}
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