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-rw-r--r--srtp/test/replay_driver.c209
1 files changed, 209 insertions, 0 deletions
diff --git a/srtp/test/replay_driver.c b/srtp/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) 2001-2006, 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.
+ *
+ */
+
+#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;
+
+err_status_t
+test_rdb_db(void);
+
+double
+rdb_check_adds_per_second(void);
+
+int
+main (void) {
+ err_status_t err;
+
+ printf("testing anti-replay database (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(rdb_t *rdb) {
+ printf("rdb: {%u, %s}\n", rdb->window_start, v128_bit_string(&rdb->bitmask));
+}
+
+err_status_t
+rdb_check_add(rdb_t *rdb, uint32_t idx) {
+
+ if (rdb_check(rdb, idx) != err_status_ok) {
+ printf("rdb_check failed at index %u\n", idx);
+ return err_status_fail;
+ }
+ if (rdb_add_index(rdb, idx) != err_status_ok) {
+ printf("rdb_add_index failed at index %u\n", idx);
+ return err_status_fail;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdb_check_expect_failure(rdb_t *rdb, uint32_t idx) {
+ err_status_t err;
+
+ err = rdb_check(rdb, idx);
+ if ((err != err_status_replay_old) && (err != err_status_replay_fail)) {
+ printf("rdb_check failed at index %u (false positive)\n", idx);
+ return err_status_fail;
+ }
+
+ return err_status_ok;
+}
+
+err_status_t
+rdb_check_unordered(rdb_t *rdb, uint32_t idx) {
+ err_status_t rstat;
+
+ /* printf("index: %u\n", idx); */
+ rstat = rdb_check(rdb, idx);
+ if ((rstat != err_status_ok) && (rstat != err_status_replay_old)) {
+ printf("rdb_check_unordered failed at index %u\n", idx);
+ return rstat;
+ }
+ return err_status_ok;
+}
+
+err_status_t
+test_rdb_db() {
+ rdb_t rdb;
+ uint32_t idx, ircvd;
+ ut_connection utc;
+ err_status_t err;
+
+ if (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ return 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 (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ return 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_unordered(&rdb, ircvd);
+ if (err)
+ return err;
+ }
+
+ return 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;
+ rdb_t rdb;
+ clock_t timer;
+ int failures; /* count number of failures */
+
+ if (rdb_init(&rdb) != err_status_ok) {
+ printf("rdb_init failed\n");
+ exit(1);
+ }
+
+ timer = clock();
+ for(i=0; i < REPLAY_NUM_TRIALS; i+=3) {
+ if (rdb_check(&rdb, i+2) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i+2) != err_status_ok)
+ ++failures;
+ if (rdb_check(&rdb, i+1) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i+1) != err_status_ok)
+ ++failures;
+ if (rdb_check(&rdb, i) != err_status_ok)
+ ++failures;
+ if (rdb_add_index(&rdb, i) != err_status_ok)
+ ++failures;
+ }
+ timer = clock() - timer;
+
+ return (double) CLOCKS_PER_SEC * REPLAY_NUM_TRIALS / timer;
+}