/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "nsNSSIOLayer.h" #include "sslproto.h" #include "sslerr.h" #include "gtest/gtest.h" /* The following buffers are generated by encoding a sequence of integers from 0 to 100 using the corresponding encoding mechanism. They could be re-generated using the following script: generateZlibBuf(): import zlib import brotli import zstd for i in range(100): a.append(i) encodedBufferExampleZlib = list(zlib.compress(bytes(a))) encodedBufferExampleBrotli = list(brotli.compress(bytes(a))) encodedBufferExampleZstd = list(zstd.compress(bytes(a))) */ uint8_t encodedBufferExampleZlib[108] = { 0x78, 0x9c, 0x63, 0x60, 0x64, 0x62, 0x66, 0x61, 0x65, 0x63, 0xe7, 0xe0, 0xe4, 0xe2, 0xe6, 0xe1, 0xe5, 0xe3, 0x17, 0x10, 0x14, 0x12, 0x16, 0x11, 0x15, 0x13, 0x97, 0x90, 0x94, 0x92, 0x96, 0x91, 0x95, 0x93, 0x57, 0x50, 0x54, 0x52, 0x56, 0x51, 0x55, 0x53, 0xd7, 0xd0, 0xd4, 0xd2, 0xd6, 0xd1, 0xd5, 0xd3, 0x37, 0x30, 0x34, 0x32, 0x36, 0x31, 0x35, 0x33, 0xb7, 0xb0, 0xb4, 0xb2, 0xb6, 0xb1, 0xb5, 0xb3, 0x77, 0x70, 0x74, 0x72, 0x76, 0x71, 0x75, 0x73, 0xf7, 0xf0, 0xf4, 0xf2, 0xf6, 0xf1, 0xf5, 0xf3, 0x0f, 0x08, 0x0c, 0x0a, 0x0e, 0x09, 0x0d, 0x0b, 0x8f, 0x88, 0x8c, 0x8a, 0x8e, 0x89, 0x8d, 0x8b, 0x4f, 0x48, 0x4c, 0x4a, 0x06, 0x00, 0x8b, 0x7c, 0x13, 0x57, }; uint8_t encodedBufferExampleBrotli[73] = { 0x1b, 0x63, 0x0, 0xe8, 0x65, 0x60, 0x9e, 0x29, 0x8f, 0xd2, 0x59, 0x86, 0xc8, 0x54, 0x48, 0x4c, 0xb0, 0x89, 0x63, 0x77, 0x7f, 0x0, 0x40, 0x8, 0x46, 0x50, 0xc, 0x27, 0x48, 0x8a, 0x66, 0x58, 0x8e, 0x17, 0x44, 0x49, 0x56, 0x54, 0x4d, 0x37, 0x4c, 0xcb, 0x76, 0x5c, 0xcf, 0xf, 0xc2, 0x28, 0x4e, 0xd2, 0x2c, 0x2f, 0xca, 0xaa, 0x6e, 0xda, 0xae, 0x1f, 0xc6, 0x69, 0x5e, 0xd6, 0x6d, 0x3f, 0xce, 0xeb, 0x7e, 0x5e, 0xef, 0xcf, 0xf7, 0xf7, 0x7}; uint8_t encodedBufferExampleZstd[113] = { 0x28, 0xb5, 0x2f, 0xfd, 0x24, 0x64, 0x21, 0x03, 0x00, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, 0x60, 0x61, 0x62, 0x63, 0x97, 0x65, 0x16, 0x32}; struct CertificateCompressionTestCase { uint8_t* encodedBuf; unsigned int encodedBufLen; SECStatus (*decode)(const SECItem* input, unsigned char* output, size_t outputLen, size_t* usedLen); }; static const CertificateCompressionTestCase CertificateCompressionTestCases[] = {{encodedBufferExampleZlib, sizeof(encodedBufferExampleZlib), zlibCertificateDecode}, {encodedBufferExampleBrotli, sizeof(encodedBufferExampleBrotli), brotliCertificateDecode}, {encodedBufferExampleZstd, sizeof(encodedBufferExampleZstd), zstdCertificateDecode}}; class psm_CertificateCompression : public ::testing::Test, public ::testing::WithParamInterface {}; TEST_P(psm_CertificateCompression, DecoderCorrectlyDecodes) { const CertificateCompressionTestCase& testCase(GetParam()); SECItem encodedItem = {siBuffer, testCase.encodedBuf, testCase.encodedBufLen}; uint8_t decodedEncodedBuffer[100] = {0}; size_t usedLen = 0; SECStatus rv = testCase.decode(&encodedItem, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECSuccess, rv); ASSERT_EQ(usedLen, sizeof(decodedEncodedBuffer)); for (size_t i = 0; i < usedLen; i++) { ASSERT_EQ(decodedEncodedBuffer[i], i); } } TEST_P(psm_CertificateCompression, DecodingFailsEmptyInputItem) { const CertificateCompressionTestCase& testCase(GetParam()); uint8_t decodedEncodedBuffer[500] = {0}; size_t usedLen = 0; /* nullptr instead of input */ SECStatus rv = testCase.decode(nullptr, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } TEST_P(psm_CertificateCompression, DecodingFailsEmptyInput) { const CertificateCompressionTestCase& testCase(GetParam()); SECItem encodedItem = {siBuffer, nullptr, (unsigned int)sizeof(encodedBufferExampleZlib)}; uint8_t decodedEncodedBuffer[500] = {0}; size_t usedLen = 0; /* nullptr instead of input.data */ SECStatus rv = testCase.decode(&encodedItem, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } TEST_P(psm_CertificateCompression, DecodingFails0LenInput) { const CertificateCompressionTestCase& testCase(GetParam()); SECItem encodedItem = {siBuffer, encodedBufferExampleZlib, 0}; uint8_t decodedEncodedBuffer[500] = {0}; size_t usedLen = 0; /* 0 instead of input.len*/ SECStatus rv = testCase.decode(&encodedItem, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } TEST_P(psm_CertificateCompression, DecodingFailsEmptyBuffer) { const CertificateCompressionTestCase& testCase(GetParam()); unsigned char encodedBuffer[500] = {0}; SECItem encodedItem = {siBuffer, encodedBuffer, 500}; uint8_t decodedEncodedBuffer[500] = {0}; size_t usedLen = 0; /* Empty buffer will return an error if decoded. */ SECStatus rv = testCase.decode(&encodedItem, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } TEST_P(psm_CertificateCompression, DecodingFailsNullOutput) { const CertificateCompressionTestCase& testCase(GetParam()); SECItem encodedItem = {siBuffer, encodedBufferExampleZlib, (unsigned int)sizeof(encodedBufferExampleZlib)}; uint8_t decodedEncodedBuffer[5] = {0}; size_t usedLen = 0; /* Empty buffer will return an error if decoded. */ SECStatus rv = testCase.decode(&encodedItem, nullptr, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } TEST_P(psm_CertificateCompression, DecodingFailsOutputTooSmall) { const CertificateCompressionTestCase& testCase(GetParam()); SECItem encodedItem = {siBuffer, encodedBufferExampleZlib, (unsigned int)sizeof(encodedBufferExampleZlib)}; uint8_t decodedEncodedBuffer[5] = {0}; size_t usedLen = 0; /* Empty buffer will return an error if decoded. */ SECStatus rv = testCase.decode(&encodedItem, decodedEncodedBuffer, sizeof(decodedEncodedBuffer), &usedLen); ASSERT_EQ(SECFailure, rv); } INSTANTIATE_TEST_SUITE_P(psm_CertificateCompression, psm_CertificateCompression, ::testing::ValuesIn(CertificateCompressionTestCases));