Upgrade libsrtp from 2.0.0 to 2.3.0, with source code. 4.0.79

trunk/3rdparty/libsrtp-2-fit/test/roc_driver.c

@@ -0,0 +1,170 @@
+/*
+ * roc_driver.c
+ *
+ * test driver for rollover counter replay 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>
+
+/*
+ * defining ROC_TEST causes small datatypes to be used in
+ * srtp_xtd_seq_num_t - this allows the functions to be exhaustively tested.
+ */
+#if ROC_NEEDS_TO_BE_TESTED
+#define ROC_TEST
+#endif
+
+#include "rdbx.h"
+#include "ut_sim.h"
+
+srtp_err_status_t roc_test(int num_trials);
+
+int main(void)
+{
+    srtp_err_status_t status;
+
+    printf("rollover counter test driver\n"
+           "David A. McGrew\n"
+           "Cisco Systems, Inc.\n");
+
+    printf("testing index functions...");
+    status = roc_test(1 << 18);
+    if (status) {
+        printf("failed\n");
+        exit(status);
+    }
+    printf("passed\n");
+    return 0;
+}
+
+#define ROC_VERBOSE 0
+
+srtp_err_status_t roc_test(int num_trials)
+{
+    srtp_xtd_seq_num_t local, est, ref;
+    ut_connection utc;
+    int i, num_bad_est = 0;
+    int delta;
+    uint32_t ircvd;
+    double failure_rate;
+
+    srtp_index_init(&local);
+    srtp_index_init(&ref);
+    srtp_index_init(&est);
+
+    printf("\n\ttesting sequential insertion...");
+    for (i = 0; i < 2048; i++) {
+        srtp_index_guess(&local, &est, (uint16_t)ref);
+#if ROC_VERBOSE
+        printf("%lld, %lld, %d\n", ref, est, i);
+#endif
+        if (ref != est) {
+#if ROC_VERBOSE
+            printf(" *bad estimate*\n");
+#endif
+            ++num_bad_est;
+        }
+        srtp_index_advance(&ref, 1);
+    }
+    failure_rate = (double)num_bad_est / num_trials;
+    if (failure_rate > 0.01) {
+        printf("error: failure rate too high (%d bad estimates in %d trials)\n",
+               num_bad_est, num_trials);
+        return srtp_err_status_algo_fail;
+    }
+    printf("done\n");
+
+    printf("\ttesting non-sequential insertion...");
+    srtp_index_init(&local);
+    srtp_index_init(&ref);
+    srtp_index_init(&est);
+    ut_init(&utc);
+
+    for (i = 0; i < num_trials; i++) {
+        /* get next seq num from unreliable transport simulator */
+        ircvd = ut_next_index(&utc);
+
+        /* set ref to value of ircvd */
+        ref = ircvd;
+
+        /* estimate index based on low bits of ircvd */
+        delta = srtp_index_guess(&local, &est, (uint16_t)ref);
+#if ROC_VERBOSE
+        printf("ref: %lld, local: %lld, est: %lld, ircvd: %d, delta: %d\n", ref,
+               local, est, ircvd, delta);
+#endif
+
+        if (local + delta != est) {
+            printf(" *bad delta*: local %llu + delta %d != est %llu\n",
+                   (unsigned long long)local, delta, (unsigned long long)est);
+            return srtp_err_status_algo_fail;
+        }
+
+        /* now update local srtp_xtd_seq_num_t as necessary */
+        if (delta > 0)
+            srtp_index_advance(&local, delta);
+
+        if (ref != est) {
+#if ROC_VERBOSE
+            printf(" *bad estimate*\n");
+#endif
+            /* record failure event */
+            ++num_bad_est;
+
+            /* reset local value to correct value */
+            local = ref;
+        }
+    }
+    failure_rate = (double)num_bad_est / num_trials;
+    if (failure_rate > 0.01) {
+        printf("error: failure rate too high (%d bad estimates in %d trials)\n",
+               num_bad_est, num_trials);
+        return srtp_err_status_algo_fail;
+    }
+    printf("done\n");
+
+    return srtp_err_status_ok;
+}