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-rw-r--r--netwerk/srtp/src/test/replay_driver.c283
1 files changed, 283 insertions, 0 deletions
diff --git a/netwerk/srtp/src/test/replay_driver.c b/netwerk/srtp/src/test/replay_driver.c
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+/*
+ * replay_driver.c
+ *
+ * A driver for the replay_database implementation
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ */
+
+/*
+ *
+ * Copyright (c) 2001-2017, Cisco Systems, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 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.
+ *
+ * Neither the name of the Cisco Systems, Inc. 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 HOLDERS 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.
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+
+#include "rdb.h"
+#include "ut_sim.h"
+
+/*
+ * num_trials defines the number of trials that are used in the
+ * validation functions below
+ */
+
+unsigned num_trials = 1 << 16;
+
+srtp_err_status_t test_rdb_db(void);
+
+double rdb_check_adds_per_second(void);
+
+int main(void)
+{
+ srtp_err_status_t err;
+
+ printf("testing anti-replay database (srtp_rdb_t)...\n");
+ err = test_rdb_db();
+ if (err) {
+ printf("failed\n");
+ exit(1);
+ }
+ printf("done\n");
+
+ printf("rdb_check/rdb_adds per second: %e\n", rdb_check_adds_per_second());
+
+ return 0;
+}
+
+void print_rdb(srtp_rdb_t *rdb)
+{
+ printf("rdb: {%u, %s}\n", rdb->window_start,
+ v128_bit_string(&rdb->bitmask));
+}
+
+srtp_err_status_t rdb_check_add(srtp_rdb_t *rdb, uint32_t idx)
+{
+ if (srtp_rdb_check(rdb, idx) != srtp_err_status_ok) {
+ printf("rdb_check failed at index %u\n", idx);
+ return srtp_err_status_fail;
+ }
+ if (srtp_rdb_add_index(rdb, idx) != srtp_err_status_ok) {
+ printf("rdb_add_index failed at index %u\n", idx);
+ return srtp_err_status_fail;
+ }
+
+ return srtp_err_status_ok;
+}
+
+srtp_err_status_t rdb_check_expect_failure(srtp_rdb_t *rdb, uint32_t idx)
+{
+ srtp_err_status_t err;
+
+ err = srtp_rdb_check(rdb, idx);
+ if ((err != srtp_err_status_replay_old) &&
+ (err != srtp_err_status_replay_fail)) {
+ printf("rdb_check failed at index %u (false positive)\n", idx);
+ return srtp_err_status_fail;
+ }
+
+ return srtp_err_status_ok;
+}
+
+srtp_err_status_t rdb_check_add_unordered(srtp_rdb_t *rdb, uint32_t idx)
+{
+ srtp_err_status_t rstat;
+
+ /* printf("index: %u\n", idx); */
+ rstat = srtp_rdb_check(rdb, idx);
+ if ((rstat != srtp_err_status_ok) &&
+ (rstat != srtp_err_status_replay_old)) {
+ printf("rdb_check_add_unordered failed at index %u\n", idx);
+ return rstat;
+ }
+ if (rstat == srtp_err_status_replay_old) {
+ return srtp_err_status_ok;
+ }
+ if (srtp_rdb_add_index(rdb, idx) != srtp_err_status_ok) {
+ printf("rdb_add_index failed at index %u\n", idx);
+ return srtp_err_status_fail;
+ }
+
+ return srtp_err_status_ok;
+}
+
+srtp_err_status_t test_rdb_db()
+{
+ srtp_rdb_t rdb;
+ uint32_t idx, ircvd;
+ ut_connection utc;
+ srtp_err_status_t err;
+
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ return srtp_err_status_init_fail;
+ }
+
+ /* test sequential insertion */
+ for (idx = 0; idx < num_trials; idx++) {
+ err = rdb_check_add(&rdb, idx);
+ if (err)
+ return err;
+ }
+
+ /* test for false positives */
+ for (idx = 0; idx < num_trials; idx++) {
+ err = rdb_check_expect_failure(&rdb, idx);
+ if (err)
+ return err;
+ }
+
+ /* re-initialize */
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ return srtp_err_status_fail;
+ }
+
+ /* test non-sequential insertion */
+ ut_init(&utc);
+
+ for (idx = 0; idx < num_trials; idx++) {
+ ircvd = ut_next_index(&utc);
+ err = rdb_check_add_unordered(&rdb, ircvd);
+ if (err)
+ return err;
+ err = rdb_check_expect_failure(&rdb, ircvd);
+ if (err)
+ return err;
+ }
+
+ /* re-initialize */
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ return srtp_err_status_fail;
+ }
+
+ /* test insertion with large gaps */
+ for (idx = 0, ircvd = 0; idx < num_trials;
+ idx++, ircvd += (1 << (rand() % 10))) {
+ err = rdb_check_add(&rdb, ircvd);
+ if (err)
+ return err;
+ err = rdb_check_expect_failure(&rdb, ircvd);
+ if (err)
+ return err;
+ }
+
+ /* re-initialize */
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ return srtp_err_status_fail;
+ }
+
+ /* test loss of first 513 packets */
+ for (idx = 0; idx < num_trials; idx++) {
+ err = rdb_check_add(&rdb, idx + 513);
+ if (err)
+ return err;
+ }
+
+ /* test for false positives */
+ for (idx = 0; idx < num_trials + 513; idx++) {
+ err = rdb_check_expect_failure(&rdb, idx);
+ if (err)
+ return err;
+ }
+
+ /* test for key expired */
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ return srtp_err_status_fail;
+ }
+ rdb.window_start = 0x7ffffffe;
+ if (srtp_rdb_increment(&rdb) != srtp_err_status_ok) {
+ printf("srtp_rdb_increment of 0x7ffffffe failed\n");
+ return srtp_err_status_fail;
+ }
+ if (srtp_rdb_get_value(&rdb) != 0x7fffffff) {
+ printf("rdb valiue was not 0x7fffffff\n");
+ return srtp_err_status_fail;
+ }
+ if (srtp_rdb_increment(&rdb) != srtp_err_status_key_expired) {
+ printf("srtp_rdb_increment of 0x7fffffff did not return "
+ "srtp_err_status_key_expired\n");
+ return srtp_err_status_fail;
+ }
+ if (srtp_rdb_get_value(&rdb) != 0x7fffffff) {
+ printf("rdb valiue was not 0x7fffffff\n");
+ return srtp_err_status_fail;
+ }
+
+ return srtp_err_status_ok;
+}
+
+#include <time.h> /* for clock() */
+#include <stdlib.h> /* for random() */
+
+#define REPLAY_NUM_TRIALS 10000000
+
+double rdb_check_adds_per_second(void)
+{
+ uint32_t i;
+ srtp_rdb_t rdb;
+ clock_t timer;
+ int failures = 0; /* count number of failures */
+
+ if (srtp_rdb_init(&rdb) != srtp_err_status_ok) {
+ printf("rdb_init failed\n");
+ exit(1);
+ }
+
+ timer = clock();
+ for (i = 0; i < REPLAY_NUM_TRIALS; i += 3) {
+ if (srtp_rdb_check(&rdb, i + 2) != srtp_err_status_ok)
+ ++failures;
+ if (srtp_rdb_add_index(&rdb, i + 2) != srtp_err_status_ok)
+ ++failures;
+ if (srtp_rdb_check(&rdb, i + 1) != srtp_err_status_ok)
+ ++failures;
+ if (srtp_rdb_add_index(&rdb, i + 1) != srtp_err_status_ok)
+ ++failures;
+ if (srtp_rdb_check(&rdb, i) != srtp_err_status_ok)
+ ++failures;
+ if (srtp_rdb_add_index(&rdb, i) != srtp_err_status_ok)
+ ++failures;
+ }
+ timer = clock() - timer;
+
+ return (double)CLOCKS_PER_SEC * REPLAY_NUM_TRIALS / timer;
+}
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