Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 185 insertions, 0 deletions

diff --git a/netwerk/srtp/src/test/test_srtp.c b/netwerk/srtp/src/test/test_srtp.c
new file mode 100644
index 0000000000..cdc9b5d5b7
--- /dev/null
+++ b/netwerk/srtp/src/test/test_srtp.c
@@ -0,0 +1,185 @@
+/*
+ * test_srtp.c
+ *
+ * Unit tests for internal srtp functions
+ *
+ * Cisco Systems, Inc.
+ *
+ */
+
+/*
+ *
+ * Copyright (c) 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.
+ *
+ */
+
+/*
+ * Test specific.
+ */
+#include "cutest.h"
+
+/*
+ * libSRTP specific.
+ */
+#include "../srtp/srtp.c" // Get access to static functions
+
+/*
+ * Standard library.
+ */
+
+/*
+ * Forward declarations for all tests.
+ */
+
+void srtp_calc_aead_iv_srtcp_all_zero_input_yield_zero_output(void);
+void srtp_calc_aead_iv_srtcp_seq_num_over_0x7FFFFFFF_bad_param(void);
+void srtp_calc_aead_iv_srtcp_distinct_iv_per_sequence_number(void);
+
+/*
+ * NULL terminated array of tests.
+ * The first item in the array is a char[] which give some information about
+ * what is being tested and is displayed to the user during runtime, the second
+ * item is the test function.
+ */
+
+TEST_LIST = { { "srtp_calc_aead_iv_srtcp_all_zero_input_yield_zero_output()",
+                srtp_calc_aead_iv_srtcp_all_zero_input_yield_zero_output },
+              { "srtp_calc_aead_iv_srtcp_seq_num_over_0x7FFFFFFF_bad_param()",
+                srtp_calc_aead_iv_srtcp_seq_num_over_0x7FFFFFFF_bad_param },
+              { "srtp_calc_aead_iv_srtcp_distinct_iv_per_sequence_number()",
+                srtp_calc_aead_iv_srtcp_distinct_iv_per_sequence_number },
+              { NULL } /* End of tests */ };
+
+/*
+ * Implementation.
+ */
+
+void srtp_calc_aead_iv_srtcp_all_zero_input_yield_zero_output()
+{
+    // Preconditions
+    srtp_session_keys_t session_keys;
+    v128_t init_vector;
+    srtcp_hdr_t header;
+    uint32_t sequence_num;
+
+    // Postconditions
+    srtp_err_status_t status;
+    const v128_t zero_vector;
+    memset((v128_t *)&zero_vector, 0, sizeof(v128_t));
+
+    // Given
+    memset(&session_keys, 0, sizeof(srtp_session_keys_t));
+    memset(&init_vector, 0, sizeof(v128_t));
+    memset(&header, 0, sizeof(srtcp_hdr_t));
+    sequence_num = 0x0UL;
+
+    // When
+    status = srtp_calc_aead_iv_srtcp(&session_keys, &init_vector, sequence_num,
+                                     &header);
+
+    // Then
+    TEST_CHECK(status == srtp_err_status_ok);
+    TEST_CHECK(memcmp(&zero_vector, &init_vector, sizeof(v128_t)) == 0);
+}
+
+void srtp_calc_aead_iv_srtcp_seq_num_over_0x7FFFFFFF_bad_param()
+{
+    // Preconditions
+    srtp_session_keys_t session_keys;
+    v128_t init_vector;
+    srtcp_hdr_t header;
+    uint32_t sequence_num;
+
+    // Postconditions
+    srtp_err_status_t status;
+
+    // Given
+    memset(&session_keys, 0, sizeof(srtp_session_keys_t));
+    memset(&init_vector, 0, sizeof(v128_t));
+    memset(&header, 0, sizeof(srtcp_hdr_t));
+    sequence_num = 0x7FFFFFFFUL + 0x1UL;
+
+    // When
+    status = srtp_calc_aead_iv_srtcp(&session_keys, &init_vector, sequence_num,
+                                     &header);
+
+    // Then
+    TEST_CHECK(status == srtp_err_status_bad_param);
+}
+
+/*
+ * Regression test for issue #256:
+ * Srtcp IV calculation incorrectly masks high bit of sequence number for
+ * little-endian platforms.
+ * Ensure that for each valid sequence number where the most significant bit is
+ * high that we get an expected and unique IV.
+ */
+void srtp_calc_aead_iv_srtcp_distinct_iv_per_sequence_number()
+{
+#define SAMPLE_COUNT (3)
+    // Preconditions
+    // Test each significant bit high in each full byte.
+    srtp_session_keys_t session_keys;
+    srtcp_hdr_t header;
+    v128_t output_iv[SAMPLE_COUNT];
+    memset(&output_iv, 0, SAMPLE_COUNT * sizeof(v128_t));
+    uint32_t sequence_num[SAMPLE_COUNT];
+    sequence_num[0] = 0xFF;
+    sequence_num[1] = 0xFF00;
+    sequence_num[2] = 0xFF0000;
+
+    // Postconditions
+    v128_t final_iv[SAMPLE_COUNT];
+    memset(&final_iv, 0, SAMPLE_COUNT * sizeof(v128_t));
+    final_iv[0].v8[11] = 0xFF;
+    final_iv[1].v8[10] = 0xFF;
+    final_iv[2].v8[9] = 0xFF;
+
+    // Given
+    memset(&session_keys, 0, sizeof(srtp_session_keys_t));
+    memset(&header, 0, sizeof(srtcp_hdr_t));
+
+    // When
+    size_t i = 0;
+    for (i = 0; i < SAMPLE_COUNT; i++) {
+        TEST_CHECK(srtp_calc_aead_iv_srtcp(&session_keys, &output_iv[i],
+                                           sequence_num[i],
+                                           &header) == srtp_err_status_ok);
+    }
+
+    // Then all IVs are as expected
+    for (i = 0; i < SAMPLE_COUNT; i++) {
+        TEST_CHECK(memcmp(&final_iv[i], &output_iv[i], sizeof(v128_t)) == 0);
+    }
+#undef SAMPLE_COUNT
+}