1 /*
2 * Copyright (C) 2021 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "test/gtest_and_gmock.h"
18
19 #include <random>
20
21 #include "perfetto/ext/base/file_utils.h"
22 #include "perfetto/ext/base/string_utils.h"
23 #include "perfetto/ext/base/temp_file.h"
24 #include "perfetto/protozero/proto_decoder.h"
25 #include "perfetto/protozero/proto_utils.h"
26 #include "perfetto/protozero/scattered_heap_buffer.h"
27 #include "protos/perfetto/trace/trace.pb.h"
28 #include "src/protozero/filtering/filter_util.h"
29 #include "src/protozero/filtering/message_filter.h"
30
31 namespace protozero {
32
33 namespace {
34
TEST(MessageFilterTest,EndToEnd)35 TEST(MessageFilterTest, EndToEnd) {
36 auto schema = perfetto::base::TempFile::Create();
37 static const char kSchema[] = R"(
38 syntax = "proto2";
39 message FilterSchema {
40 message Nested {
41 optional fixed32 f32 = 2;
42 repeated string ss = 5;
43 }
44 optional int32 i32 = 1;
45 optional string str = 3;
46 repeated Nested nest = 6;
47 repeated int32 f11 = 11;
48 repeated int64 f12 = 12;
49 repeated sint32 f13 = 13;
50 repeated sint64 f14 = 14;
51 repeated fixed32 f15 = 15;
52 repeated fixed32 f16 = 16;
53 repeated fixed64 f17 = 17;
54 repeated fixed64 f18 = 18;
55 repeated float f19 = 19;
56 repeated double f20 = 20;
57 };
58 )";
59
60 perfetto::base::WriteAll(*schema, kSchema, strlen(kSchema));
61 perfetto::base::FlushFile(*schema);
62
63 FilterUtil filter;
64 ASSERT_TRUE(filter.LoadMessageDefinition(schema.path(), "", ""));
65 std::string bytecode = filter.GenerateFilterBytecode();
66 ASSERT_GT(bytecode.size(), 0u);
67
68 HeapBuffered<Message> msg;
69 msg->AppendVarInt(/*field_id=*/1, -1000000000ll);
70 msg->AppendVarInt(/*field_id=*/2, 42);
71 msg->AppendString(/*field_id=*/3, "foobar");
72 msg->AppendFixed(/*field_id=*/4, 10);
73 msg->AppendVarInt(/*field_id=*/11, INT32_MIN);
74 msg->AppendVarInt(/*field_id=*/12, INT64_MIN);
75 msg->AppendSignedVarInt(/*field_id=*/13, INT32_MIN);
76 msg->AppendSignedVarInt(/*field_id=*/14, INT64_MIN);
77 msg->AppendFixed(/*field_id=*/15, static_cast<int32_t>(INT32_MIN));
78 msg->AppendFixed(/*field_id=*/16, static_cast<int32_t>(INT32_MAX));
79 msg->AppendFixed(/*field_id=*/17, static_cast<int64_t>(INT64_MIN));
80 msg->AppendFixed(/*field_id=*/18, static_cast<int64_t>(INT64_MAX));
81 msg->AppendFixed(/*field_id=*/19, FLT_EPSILON);
82 msg->AppendFixed(/*field_id=*/20, DBL_EPSILON);
83
84 auto* nest = msg->BeginNestedMessage<Message>(/*field_id=*/6);
85 nest->AppendFixed(/*field_id=*/1, 10);
86 nest->AppendFixed(/*field_id=*/2, static_cast<int32_t>(-2000000000ll));
87 nest->AppendString(/*field_id=*/4, "stripped");
88 nest->AppendString(/*field_id=*/5, "");
89 nest->Finalize();
90
91 MessageFilter flt;
92 ASSERT_TRUE(flt.LoadFilterBytecode(bytecode.data(), bytecode.size()));
93
94 std::vector<uint8_t> encoded = msg.SerializeAsArray();
95
96 for (int repetitions = 0; repetitions < 3; ++repetitions) {
97 auto filtered = flt.FilterMessage(encoded.data(), encoded.size());
98 ASSERT_LT(filtered.size, encoded.size());
99
100 ProtoDecoder dec(filtered.data.get(), filtered.size);
101 EXPECT_TRUE(dec.FindField(1).valid());
102 EXPECT_EQ(dec.FindField(1).as_int64(), -1000000000ll);
103 EXPECT_FALSE(dec.FindField(2).valid());
104 EXPECT_TRUE(dec.FindField(3).valid());
105 EXPECT_EQ(dec.FindField(3).as_std_string(), "foobar");
106 EXPECT_FALSE(dec.FindField(4).valid());
107 EXPECT_TRUE(dec.FindField(6).valid());
108 for (uint32_t i = 11; i <= 20; ++i)
109 EXPECT_TRUE(dec.FindField(i).valid());
110
111 EXPECT_EQ(dec.FindField(11).as_int32(), INT32_MIN);
112 EXPECT_EQ(dec.FindField(12).as_int64(), INT64_MIN);
113 EXPECT_EQ(dec.FindField(13).as_sint32(), INT32_MIN);
114 EXPECT_EQ(dec.FindField(14).as_sint64(), INT64_MIN);
115 EXPECT_EQ(dec.FindField(15).as_int32(), INT32_MIN);
116 EXPECT_EQ(dec.FindField(16).as_int32(), INT32_MAX);
117 EXPECT_EQ(dec.FindField(17).as_int64(), INT64_MIN);
118 EXPECT_EQ(dec.FindField(18).as_int64(), INT64_MAX);
119 EXPECT_EQ(dec.FindField(19).as_float(), FLT_EPSILON);
120 EXPECT_EQ(dec.FindField(20).as_double(), DBL_EPSILON);
121
122 ProtoDecoder nest_dec(dec.FindField(6).as_bytes());
123 EXPECT_FALSE(nest_dec.FindField(1).valid());
124 EXPECT_TRUE(nest_dec.FindField(2).valid());
125 EXPECT_EQ(nest_dec.FindField(2).as_int32(), -2000000000ll);
126 EXPECT_TRUE(nest_dec.FindField(5).valid());
127 EXPECT_EQ(nest_dec.FindField(5).as_bytes().size, 0u);
128 }
129 }
130
TEST(MessageFilterTest,ChangeRoot)131 TEST(MessageFilterTest, ChangeRoot) {
132 auto schema = perfetto::base::TempFile::Create();
133 static const char kSchema[] = R"(
134 syntax = "proto2";
135 message FilterSchema {
136 message Nested {
137 message Nested2 {
138 optional int32 e = 5;
139 }
140 optional int32 c = 3;
141 repeated Nested2 d = 4;
142 }
143 optional int32 a = 1;
144 optional Nested b = 2;
145 };
146 )";
147
148 perfetto::base::WriteAll(*schema, kSchema, strlen(kSchema));
149 perfetto::base::FlushFile(*schema);
150
151 FilterUtil filter;
152 ASSERT_TRUE(filter.LoadMessageDefinition(schema.path(), "", ""));
153 std::string bytecode = filter.GenerateFilterBytecode();
154 ASSERT_GT(bytecode.size(), 0u);
155
156 HeapBuffered<Message> msg;
157 msg->AppendVarInt(/*field_id=*/1, 101);
158 msg->AppendVarInt(/*field_id=*/3, 103);
159 msg->AppendVarInt(/*field_id=*/5, 105);
160 auto* nest = msg->BeginNestedMessage<Message>(/*field_id=*/4); // Nested b.
161 nest->AppendVarInt(/*field_id=*/5, 205);
162 nest->Finalize();
163 std::vector<uint8_t> encoded = msg.SerializeAsArray();
164
165 MessageFilter flt;
166 ASSERT_TRUE(flt.LoadFilterBytecode(bytecode.data(), bytecode.size()));
167 uint32_t roots[2]{2, 4};
168
169 // First set the root to field id ".2" (.b). The fliter should happen treating
170 // |Nested| as rot, so allowing only field 3 and 4 (Nested2) through.
171 {
172 flt.SetFilterRoot(roots, 1);
173 auto filtered = flt.FilterMessage(encoded.data(), encoded.size());
174 ASSERT_LT(filtered.size, encoded.size());
175 ProtoDecoder dec(filtered.data.get(), filtered.size);
176 EXPECT_FALSE(dec.FindField(1).valid());
177 EXPECT_TRUE(dec.FindField(3).valid());
178 EXPECT_EQ(dec.FindField(3).as_int32(), 103);
179 EXPECT_FALSE(dec.FindField(5).valid());
180 EXPECT_TRUE(dec.FindField(4).valid());
181 EXPECT_EQ(dec.FindField(4).as_std_string(), "(\xCD\x01");
182 }
183
184 // Now set the root to ".2.4" (.b.d). This should allow only the field "e"
185 // to pass through.
186 {
187 flt.SetFilterRoot(roots, 2);
188 auto filtered = flt.FilterMessage(encoded.data(), encoded.size());
189 ASSERT_LT(filtered.size, encoded.size());
190 ProtoDecoder dec(filtered.data.get(), filtered.size);
191 EXPECT_FALSE(dec.FindField(1).valid());
192 EXPECT_FALSE(dec.FindField(3).valid());
193 EXPECT_FALSE(dec.FindField(4).valid());
194 EXPECT_TRUE(dec.FindField(5).valid());
195 EXPECT_EQ(dec.FindField(5).as_int32(), 105);
196 }
197 }
198
TEST(MessageFilterTest,MalformedInput)199 TEST(MessageFilterTest, MalformedInput) {
200 // Create and load a simple filter.
201 auto schema = perfetto::base::TempFile::Create();
202 static const char kSchema[] = R"(
203 syntax = "proto2";
204 message FilterSchema {
205 message Nested {
206 optional fixed32 f32 = 4;
207 repeated string ss = 5;
208 }
209 optional int32 i32 = 1;
210 optional string str = 2;
211 repeated Nested nest = 3;
212 };
213 )";
214 perfetto::base::WriteAll(*schema, kSchema, strlen(kSchema));
215 perfetto::base::FlushFile(*schema);
216 FilterUtil filter;
217 ASSERT_TRUE(filter.LoadMessageDefinition(schema.path(), "", ""));
218 std::string bytecode = filter.GenerateFilterBytecode();
219 ASSERT_GT(bytecode.size(), 0u);
220 MessageFilter flt;
221 ASSERT_TRUE(flt.LoadFilterBytecode(bytecode.data(), bytecode.size()));
222
223 {
224 // A malformed message found by the fuzzer.
225 static const uint8_t kData[]{
226 0x52, 0x21, // ID=10, type=len-delimited, len=33.
227 0xa0, 0xa4, // Early terminating payload.
228 };
229 auto res = flt.FilterMessage(kData, sizeof(kData));
230 EXPECT_TRUE(res.error);
231 }
232
233 {
234 // A malformed message which contains a non-terminated varint.
235 static const uint8_t kData[]{
236 0x08, 0x2A, // A valid varint field id=1 value=42 (0x2A).
237 0x08, 0xFF, // An unterminated varint.
238 };
239 auto res = flt.FilterMessage(kData, sizeof(kData));
240 EXPECT_TRUE(res.error);
241 }
242
243 {
244 // A malformed message which contains a sub-message with a field that brings
245 // it out of the outer size.
246 static const uint8_t kData[]{
247 0x08, 0x2A, // A valid varint field id=1 value=42 (0x2A).
248 0x1A, 0x04, // A len-delim field, id=3, length=4.
249 // The nested message |nest| starts here.
250 0x25, 0x0, 0x0, 0x0, 0x01, // A fixed32 field, id=4.
251 // Note that the fixed32 field has an expected length of 4 but that
252 // overflows the size of the |nest| method, because with its 0x25
253 // preamble it becomes 5 bytes. At this point this should cause a
254 // persistent failure.
255 };
256 auto res = flt.FilterMessage(kData, sizeof(kData));
257 EXPECT_TRUE(res.error);
258 }
259
260 // A parsing failure shoulnd't affect the ability to filter the following
261 // message. Try again but this time with a valid message.
262 {
263 static const uint8_t kData[]{
264 0x08, 0x2A, // A valid varint field id=1 value=42 (0x2A).
265 0x1A, 0x05, // A len-delim field, id=3, length=5.
266 0x25, 0x0, 0x0, 0x0, 0x01, // A fixed32 field, id=4.
267 0x38, 0x42, // A valid but not allowed varint field id=7.
268 };
269 auto res = flt.FilterMessage(kData, sizeof(kData));
270 EXPECT_FALSE(res.error);
271 EXPECT_EQ(res.size, sizeof(kData) - 2); // last 2 bytes should be skipped.
272 EXPECT_EQ(memcmp(kData, res.data.get(), res.size), 0);
273 }
274 }
275
276 // It processes a real test trace with a real filter. The filter has been
277 // obtained from the full upstream perfetto proto (+ re-adding the for_testing
278 // field which got removed after adding most test traces). This covers the most
279 // complex case of filtering a real trace with a filter that allows all possible
280 // fields, hence re-entering deeply in most nested fields.
TEST(MessageFilterTest,RealTracePassthrough)281 TEST(MessageFilterTest, RealTracePassthrough) {
282 // This is test/data/android_log_ring_buffer_mode.pb. It's re-encoded as a
283 // constant because unittests cannot depend on test/data/, only integration
284 // tests can.
285 static const uint8_t kTraceData[]{
286 0x0a, 0x16, 0x18, 0x8f, 0x4e, 0xa2, 0x02, 0x10, 0x82, 0x47, 0x7a, 0x76,
287 0xb2, 0x8d, 0x42, 0xba, 0x81, 0xdc, 0x33, 0x32, 0x6d, 0x57, 0xa0, 0x79,
288 0x0a, 0x5f, 0x18, 0x8f, 0x4e, 0x32, 0x5a, 0x0a, 0x09, 0x08, 0x06, 0x10,
289 0xf4, 0xd3, 0xea, 0xbb, 0xba, 0x55, 0x0a, 0x0c, 0x08, 0x02, 0x10, 0xf9,
290 0xcc, 0xb4, 0xd1, 0xe8, 0xdc, 0xa5, 0xbc, 0x15, 0x0a, 0x09, 0x08, 0x04,
291 0x10, 0x86, 0xb9, 0x9c, 0xba, 0xba, 0x55, 0x0a, 0x0c, 0x08, 0x01, 0x10,
292 0xeb, 0xe9, 0x82, 0xd3, 0xe8, 0xdc, 0xa5, 0xbc, 0x15, 0x0a, 0x09, 0x08,
293 0x03, 0x10, 0xac, 0xd6, 0xea, 0xbb, 0xba, 0x55, 0x0a, 0x09, 0x08, 0x05,
294 0x10, 0x9b, 0xe1, 0xd8, 0xbb, 0xba, 0x55, 0x0a, 0x07, 0x08, 0x07, 0x10,
295 0xf5, 0xe6, 0xd9, 0x55, 0x0a, 0x07, 0x08, 0x08, 0x10, 0xc1, 0xcc, 0xa7,
296 0x41, 0x0a, 0x27, 0x18, 0x8f, 0x4e, 0x9a, 0x02, 0x21, 0x0a, 0x13, 0x08,
297 0xf0, 0x1f, 0x10, 0x01, 0x18, 0x00, 0x20, 0x00, 0x28, 0x00, 0x30, 0x00,
298 0x38, 0x00, 0x40, 0x00, 0x48, 0x00, 0x10, 0x01, 0x18, 0x07, 0x20, 0x06,
299 0x28, 0x0b, 0x30, 0x01, 0x38, 0x01, 0x0a, 0xd5, 0x01, 0x18, 0x8f, 0x4e,
300 0x8a, 0x02, 0xce, 0x01, 0x0a, 0x06, 0x08, 0x80, 0x80, 0x02, 0x20, 0x00,
301 0x12, 0xa5, 0x01, 0x0a, 0xa2, 0x01, 0x0a, 0x0b, 0x61, 0x6e, 0x64, 0x72,
302 0x6f, 0x69, 0x64, 0x2e, 0x6c, 0x6f, 0x67, 0x10, 0x00, 0x18, 0x00, 0x20,
303 0x00, 0xa2, 0x06, 0x04, 0x50, 0x00, 0x58, 0x00, 0xaa, 0x06, 0x02, 0x0a,
304 0x00, 0xb2, 0x06, 0x08, 0x08, 0x00, 0x10, 0x00, 0x18, 0x00, 0x20, 0x00,
305 0xba, 0x06, 0x06, 0x10, 0x00, 0x18, 0x00, 0x20, 0x00, 0xc2, 0x06, 0x06,
306 0x08, 0x00, 0x18, 0x00, 0x28, 0x00, 0xca, 0x06, 0x0a, 0x08, 0x00, 0x28,
307 0x00, 0x32, 0x04, 0x28, 0x00, 0x30, 0x00, 0xd2, 0x06, 0x02, 0x08, 0x00,
308 0xda, 0x06, 0x02, 0x18, 0x00, 0xc2, 0x3e, 0x00, 0xfa, 0xff, 0xff, 0xff,
309 0x07, 0x46, 0x08, 0x00, 0x10, 0x00, 0x18, 0x00, 0x20, 0x00, 0x28, 0x00,
310 0x32, 0x3a, 0x08, 0x00, 0x10, 0x00, 0x18, 0x00, 0x20, 0x00, 0x29, 0x00,
311 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x31, 0x00, 0x00, 0x00, 0x00,
312 0x00, 0x00, 0x00, 0x00, 0x3d, 0x00, 0x00, 0x00, 0x00, 0x45, 0x00, 0x00,
313 0x00, 0x00, 0x49, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
314 0x00, 0x00, 0x00, 0x00, 0x58, 0x00, 0x60, 0x00, 0x6a, 0x00, 0x72, 0x00,
315 0x18, 0xe0, 0xd4, 0x03, 0x20, 0x00, 0x28, 0x00, 0x3a, 0x06, 0x08, 0x00,
316 0x10, 0x00, 0x18, 0x00, 0x40, 0x00, 0x48, 0x00, 0x50, 0x00, 0x5a, 0x02,
317 0x08, 0x00, 0x60, 0x00, 0x68, 0x00, 0x0a, 0x94, 0x01, 0x40, 0xd9, 0xf4,
318 0x98, 0x96, 0xbe, 0x54, 0xba, 0x02, 0x84, 0x81, 0x80, 0x00, 0x0a, 0xff,
319 0x80, 0x80, 0x00, 0x38, 0x04, 0x32, 0x08, 0x70, 0x65, 0x72, 0x66, 0x65,
320 0x74, 0x74, 0x6f, 0x42, 0x5d, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64,
321 0x5f, 0x6c, 0x6f, 0x67, 0x5f, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x73, 0x6f,
322 0x75, 0x72, 0x63, 0x65, 0x2e, 0x63, 0x63, 0x3a, 0x31, 0x35, 0x35, 0x20,
323 0x53, 0x74, 0x61, 0x72, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x41, 0x6e, 0x64,
324 0x72, 0x6f, 0x69, 0x64, 0x20, 0x6c, 0x6f, 0x67, 0x20, 0x64, 0x61, 0x74,
325 0x61, 0x20, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65, 0x3a, 0x20, 0x73, 0x74,
326 0x72, 0x65, 0x61, 0x6d, 0x20, 0x74, 0x61, 0x69, 0x6c, 0x3d, 0x31, 0x20,
327 0x6c, 0x69, 0x64, 0x73, 0x3d, 0x30, 0x2c, 0x32, 0x2c, 0x33, 0x2c, 0x34,
328 0x2c, 0x37, 0x28, 0xdb, 0xe6, 0x9b, 0xfb, 0xeb, 0xdb, 0xa5, 0xbc, 0x15,
329 0x08, 0x00, 0x10, 0xb5, 0x58, 0x18, 0xb5, 0x58, 0x20, 0x00, 0x18, 0x8f,
330 0x4e, 0x0a, 0xf4, 0x0a, 0x40, 0xb2, 0x84, 0xde, 0xdd, 0x8f, 0x55, 0xba,
331 0x02, 0xe4, 0x8a, 0x80, 0x00, 0x0a, 0xe4, 0x80, 0x80, 0x00, 0x38, 0x04,
332 0x32, 0x12, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x2e, 0x72, 0x6d, 0x74,
333 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x42, 0x38, 0x72, 0x6d,
334 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x5f, 0x63, 0x6f,
335 0x6e, 0x6e, 0x65, 0x63, 0x74, 0x5f, 0x63, 0x62, 0x3a, 0x20, 0x63, 0x6c,
336 0x6e, 0x74, 0x5f, 0x68, 0x3d, 0x30, 0x78, 0x31, 0x34, 0x20, 0x63, 0x6f,
337 0x6e, 0x6e, 0x5f, 0x68, 0x3d, 0x30, 0x78, 0x37, 0x32, 0x31, 0x64, 0x61,
338 0x30, 0x37, 0x31, 0x30, 0x30, 0x0a, 0x28, 0x92, 0xad, 0xf6, 0xf0, 0xbd,
339 0xdc, 0xa5, 0xbc, 0x15, 0x08, 0x00, 0x10, 0xe9, 0x06, 0x18, 0xe9, 0x06,
340 0x20, 0x00, 0x0a, 0xf3, 0x80, 0x80, 0x00, 0x38, 0x06, 0x32, 0x0b, 0x72,
341 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x42, 0x4e,
342 0x49, 0x4e, 0x46, 0x4f, 0x3a, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f,
343 0x72, 0x61, 0x67, 0x65, 0x5f, 0x72, 0x77, 0x5f, 0x69, 0x6f, 0x76, 0x65,
344 0x63, 0x5f, 0x63, 0x62, 0x3a, 0x20, 0x57, 0x72, 0x69, 0x74, 0x65, 0x20,
345 0x69, 0x6f, 0x76, 0x65, 0x63, 0x20, 0x72, 0x65, 0x71, 0x75, 0x65, 0x73,
346 0x74, 0x20, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x64, 0x20, 0x66,
347 0x6f, 0x72, 0x20, 0x2f, 0x62, 0x6f, 0x6f, 0x74, 0x2f, 0x6d, 0x6f, 0x64,
348 0x65, 0x6d, 0x5f, 0x66, 0x73, 0x63, 0x28, 0x9e, 0xa1, 0xea, 0xf0, 0xbd,
349 0xdc, 0xa5, 0xbc, 0x15, 0x08, 0x07, 0x10, 0xe9, 0x06, 0x18, 0xe9, 0x06,
350 0x20, 0x00, 0x0a, 0xfd, 0x80, 0x80, 0x00, 0x38, 0x06, 0x32, 0x0b, 0x72,
351 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x42, 0x58,
352 0x49, 0x4e, 0x46, 0x4f, 0x3a, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f,
353 0x72, 0x61, 0x67, 0x65, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f,
354 0x74, 0x68, 0x72, 0x65, 0x61, 0x64, 0x3a, 0x20, 0x43, 0x61, 0x6c, 0x6c,
355 0x69, 0x6e, 0x67, 0x20, 0x57, 0x72, 0x69, 0x74, 0x65, 0x20, 0x5b, 0x6f,
356 0x66, 0x66, 0x73, 0x65, 0x74, 0x3d, 0x30, 0x2c, 0x20, 0x73, 0x69, 0x7a,
357 0x65, 0x3d, 0x36, 0x35, 0x35, 0x33, 0x36, 0x5d, 0x66, 0x6f, 0x72, 0x20,
358 0x2f, 0x62, 0x6f, 0x6f, 0x74, 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6d, 0x5f,
359 0x66, 0x73, 0x63, 0x21, 0x28, 0xe6, 0xc4, 0x80, 0xf1, 0xbd, 0xdc, 0xa5,
360 0xbc, 0x15, 0x08, 0x07, 0x10, 0xf6, 0x0b, 0x18, 0xf6, 0x0b, 0x20, 0x00,
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512 0x35, 0x32, 0x5d, 0x66, 0x6f, 0x72, 0x20, 0x2f, 0x62, 0x6f, 0x6f, 0x74,
513 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6d, 0x5f, 0x66, 0x73, 0x31, 0x21, 0x28,
514 0xe6, 0xae, 0x92, 0xa5, 0xbe, 0xdc, 0xa5, 0xbc, 0x15, 0x08, 0x07, 0x10,
515 0xf1, 0x0b, 0x18, 0xf1, 0x0b, 0x20, 0x00, 0x0a, 0x85, 0x81, 0x80, 0x00,
516 0x38, 0x04, 0x32, 0x12, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72, 0x2e, 0x72,
517 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x42, 0x59,
518 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x5f,
519 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x74, 0x68, 0x72, 0x65, 0x61,
520 0x64, 0x3a, 0x20, 0x2f, 0x62, 0x6f, 0x6f, 0x74, 0x2f, 0x6d, 0x6f, 0x64,
521 0x65, 0x6d, 0x5f, 0x66, 0x73, 0x31, 0x3a, 0x20, 0x72, 0x65, 0x71, 0x5f,
522 0x68, 0x3d, 0x30, 0x78, 0x31, 0x35, 0x20, 0x6d, 0x73, 0x67, 0x5f, 0x69,
523 0x64, 0x3d, 0x33, 0x3a, 0x20, 0x42, 0x79, 0x74, 0x65, 0x73, 0x20, 0x77,
524 0x72, 0x69, 0x74, 0x74, 0x65, 0x6e, 0x20, 0x3d, 0x20, 0x32, 0x30, 0x39,
525 0x37, 0x31, 0x35, 0x32, 0x0a, 0x28, 0x96, 0x87, 0xd7, 0xb3, 0xbe, 0xdc,
526 0xa5, 0xbc, 0x15, 0x08, 0x00, 0x10, 0xe9, 0x06, 0x18, 0xf1, 0x0b, 0x20,
527 0x00, 0x0a, 0x88, 0x81, 0x80, 0x00, 0x38, 0x04, 0x32, 0x12, 0x76, 0x65,
528 0x6e, 0x64, 0x6f, 0x72, 0x2e, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f,
529 0x72, 0x61, 0x67, 0x65, 0x42, 0x5c, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74,
530 0x6f, 0x72, 0x61, 0x67, 0x65, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74,
531 0x5f, 0x74, 0x68, 0x72, 0x65, 0x61, 0x64, 0x3a, 0x20, 0x2f, 0x62, 0x6f,
532 0x6f, 0x74, 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6d, 0x5f, 0x66, 0x73, 0x31,
533 0x3a, 0x20, 0x72, 0x65, 0x71, 0x5f, 0x68, 0x3d, 0x30, 0x78, 0x31, 0x35,
534 0x20, 0x6d, 0x73, 0x67, 0x5f, 0x69, 0x64, 0x3d, 0x33, 0x3a, 0x20, 0x53,
535 0x65, 0x6e, 0x64, 0x20, 0x72, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65,
536 0x3a, 0x20, 0x72, 0x65, 0x73, 0x3d, 0x30, 0x20, 0x65, 0x72, 0x72, 0x3d,
537 0x30, 0x0a, 0x28, 0xda, 0xb3, 0xd8, 0xb3, 0xbe, 0xdc, 0xa5, 0xbc, 0x15,
538 0x08, 0x00, 0x10, 0xe9, 0x06, 0x18, 0xf1, 0x0b, 0x20, 0x00, 0x0a, 0xae,
539 0x81, 0x80, 0x00, 0x38, 0x04, 0x32, 0x12, 0x76, 0x65, 0x6e, 0x64, 0x6f,
540 0x72, 0x2e, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67,
541 0x65, 0x42, 0x81, 0x01, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72,
542 0x61, 0x67, 0x65, 0x5f, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x74,
543 0x68, 0x72, 0x65, 0x61, 0x64, 0x3a, 0x20, 0x2f, 0x62, 0x6f, 0x6f, 0x74,
544 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6d, 0x5f, 0x66, 0x73, 0x31, 0x3a, 0x20,
545 0x41, 0x62, 0x6f, 0x75, 0x74, 0x20, 0x74, 0x6f, 0x20, 0x62, 0x6c, 0x6f,
546 0x63, 0x6b, 0x20, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61,
547 0x67, 0x65, 0x20, 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x20, 0x74, 0x68,
548 0x72, 0x65, 0x61, 0x64, 0x20, 0x28, 0x74, 0x68, 0x5f, 0x69, 0x64, 0x3a,
549 0x20, 0x34, 0x39, 0x30, 0x31, 0x32, 0x38, 0x37, 0x30, 0x30, 0x36, 0x34,
550 0x30, 0x29, 0x20, 0x77, 0x61, 0x6b, 0x65, 0x6c, 0x6f, 0x63, 0x6b, 0x20,
551 0x72, 0x65, 0x6c, 0x65, 0x61, 0x73, 0x65, 0x64, 0x3a, 0x20, 0x31, 0x0a,
552 0x0a, 0x28, 0xe4, 0xa2, 0xe0, 0xb3, 0xbe, 0xdc, 0xa5, 0xbc, 0x15, 0x08,
553 0x00, 0x10, 0xe9, 0x06, 0x18, 0xf1, 0x0b, 0x20, 0x00, 0x0a, 0xe7, 0x80,
554 0x80, 0x00, 0x38, 0x04, 0x32, 0x12, 0x76, 0x65, 0x6e, 0x64, 0x6f, 0x72,
555 0x2e, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65,
556 0x42, 0x3b, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67,
557 0x65, 0x5f, 0x64, 0x69, 0x73, 0x63, 0x6f, 0x6e, 0x6e, 0x65, 0x63, 0x74,
558 0x5f, 0x63, 0x62, 0x3a, 0x20, 0x63, 0x6c, 0x6e, 0x74, 0x5f, 0x68, 0x3d,
559 0x30, 0x78, 0x31, 0x35, 0x20, 0x63, 0x6f, 0x6e, 0x6e, 0x5f, 0x68, 0x3d,
560 0x30, 0x78, 0x37, 0x32, 0x31, 0x64, 0x61, 0x30, 0x37, 0x31, 0x30, 0x30,
561 0x0a, 0x28, 0xeb, 0xea, 0x8f, 0xb4, 0xbe, 0xdc, 0xa5, 0xbc, 0x15, 0x08,
562 0x00, 0x10, 0xe9, 0x06, 0x18, 0xe9, 0x06, 0x20, 0x00, 0x0a, 0xf6, 0x80,
563 0x80, 0x00, 0x38, 0x06, 0x32, 0x0b, 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74,
564 0x6f, 0x72, 0x61, 0x67, 0x65, 0x42, 0x51, 0x49, 0x4e, 0x46, 0x4f, 0x3a,
565 0x72, 0x6d, 0x74, 0x5f, 0x73, 0x74, 0x6f, 0x72, 0x61, 0x67, 0x65, 0x5f,
566 0x63, 0x6c, 0x69, 0x65, 0x6e, 0x74, 0x5f, 0x74, 0x68, 0x72, 0x65, 0x61,
567 0x64, 0x3a, 0x20, 0x44, 0x6f, 0x6e, 0x65, 0x20, 0x57, 0x72, 0x69, 0x74,
568 0x65, 0x20, 0x28, 0x62, 0x79, 0x74, 0x65, 0x73, 0x20, 0x3d, 0x20, 0x32,
569 0x30, 0x39, 0x37, 0x31, 0x35, 0x32, 0x29, 0x20, 0x66, 0x6f, 0x72, 0x20,
570 0x2f, 0x62, 0x6f, 0x6f, 0x74, 0x2f, 0x6d, 0x6f, 0x64, 0x65, 0x6d, 0x5f,
571 0x66, 0x73, 0x31, 0x21, 0x28, 0x9e, 0xa9, 0xc5, 0xb3, 0xbe, 0xdc, 0xa5,
572 0xbc, 0x15, 0x08, 0x07, 0x10, 0xf1, 0x0b, 0x18, 0xf1, 0x0b, 0x20, 0x00,
573 0x18, 0x8f, 0x4e, 0x0a, 0x70, 0x40, 0xd2, 0x9f, 0x8f, 0xed, 0x90, 0x55,
574 0xba, 0x02, 0xe0, 0x80, 0x80, 0x00, 0x0a, 0xdb, 0x80, 0x80, 0x00, 0x38,
575 0x04, 0x32, 0x08, 0x70, 0x65, 0x72, 0x66, 0x65, 0x74, 0x74, 0x6f, 0x42,
576 0x39, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x5f, 0x6c, 0x6f, 0x67,
577 0x5f, 0x64, 0x61, 0x74, 0x61, 0x5f, 0x73, 0x6f, 0x75, 0x72, 0x63, 0x65,
578 0x2e, 0x63, 0x63, 0x3a, 0x32, 0x39, 0x31, 0x20, 0x53, 0x65, 0x65, 0x6e,
579 0x20, 0x31, 0x31, 0x20, 0x41, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x20,
580 0x6c, 0x6f, 0x67, 0x20, 0x65, 0x76, 0x65, 0x6e, 0x74, 0x73, 0x28, 0xf4,
581 0x9d, 0x96, 0xd4, 0xbe, 0xdc, 0xa5, 0xbc, 0x15, 0x08, 0x00, 0x10, 0xb5,
582 0x58, 0x18, 0xb5, 0x58, 0x20, 0x00, 0x18, 0x8f, 0x4e, 0x0a, 0x4e, 0x40,
583 0xfe, 0xf3, 0x83, 0xd1, 0x9e, 0x55, 0xba, 0x02, 0xbe, 0x80, 0x80, 0x00,
584 0x0a, 0xb9, 0x80, 0x80, 0x00, 0x38, 0x06, 0x32, 0x00, 0x42, 0x1f, 0x74,
585 0x75, 0x69, 0x5f, 0x63, 0x6f, 0x6d, 0x6d, 0x3a, 0x73, 0x75, 0x69, 0x73,
586 0x76, 0x63, 0x20, 0x20, 0x65, 0x78, 0x69, 0x73, 0x20, 0x61, 0x6c, 0x72,
587 0x65, 0x61, 0x64, 0x79, 0x20, 0x30, 0x28, 0x9f, 0x92, 0xdf, 0xdf, 0xcc,
588 0xdc, 0xa5, 0xbc, 0x15, 0x08, 0x00, 0x10, 0xd9, 0x06, 0x18, 0xd9, 0x06,
589 0x20, 0x00, 0x18, 0x8f, 0x4e, 0x0a, 0x1b, 0x40, 0x9b, 0x83, 0xa7, 0xba,
590 0xba, 0x55, 0xba, 0x02, 0x8b, 0x80, 0x80, 0x00, 0x12, 0x86, 0x80, 0x80,
591 0x00, 0x08, 0x1a, 0x18, 0x00, 0x10, 0x00, 0x18, 0x8f, 0x4e};
592
593 static const uint8_t kFilterBytecode[]{
594 0x0b, 0x01, 0x00, 0x0b, 0x60, 0x13, 0x02, 0x19, 0x23, 0x08, 0x2b, 0x09,
595 0x33, 0x0f, 0x3b, 0x10, 0x41, 0x4b, 0x05, 0x51, 0x5b, 0x12, 0x63, 0x72,
596 0x69, 0x8b, 0x02, 0x21, 0x93, 0x02, 0x33, 0x9b, 0x02, 0x35, 0xa1, 0x02,
597 0xab, 0x02, 0x37, 0xb3, 0x02, 0x07, 0xbb, 0x02, 0x3e, 0xc3, 0x02, 0x3d,
598 0xca, 0x02, 0x02, 0xdb, 0x02, 0x1b, 0xe3, 0x02, 0x11, 0xeb, 0x02, 0x40,
599 0xf3, 0x02, 0x04, 0xfb, 0x02, 0x41, 0x83, 0x03, 0x34, 0x8b, 0x03, 0x42,
600 0x91, 0x03, 0x9b, 0x03, 0x43, 0xa3, 0x03, 0x46, 0xab, 0x03, 0x49, 0xb3,
601 0x03, 0x04, 0xbb, 0x03, 0x07, 0xc3, 0x03, 0x4b, 0xcb, 0x03, 0x4c, 0xd1,
602 0x03, 0xdb, 0x03, 0x73, 0xe3, 0x03, 0x5f, 0xeb, 0x03, 0x5b, 0xf3, 0x03,
603 0x4d, 0xfb, 0x03, 0x04, 0x83, 0x04, 0x5d, 0x8b, 0x04, 0x4e, 0x93, 0x04,
604 0x4f, 0x9b, 0x04, 0x50, 0xa3, 0x04, 0x51, 0xab, 0x04, 0x3c, 0xb3, 0x04,
605 0x0e, 0xbb, 0x04, 0x04, 0xc3, 0x04, 0x69, 0xcb, 0x04, 0x53, 0xd3, 0x04,
606 0x3c, 0xdb, 0x04, 0x04, 0xe3, 0x04, 0x56, 0xeb, 0x04, 0x58, 0xf3, 0x04,
607 0x5a, 0xa3, 0x38, 0x70, 0x00, 0x0b, 0x03, 0x13, 0x04, 0x19, 0x00, 0x0a,
608 0x03, 0x23, 0x04, 0x29, 0x00, 0x0a, 0x03, 0x00, 0x0b, 0x06, 0x11, 0x00,
609 0x0a, 0x0a, 0x5b, 0x07, 0x62, 0x03, 0x00, 0x0a, 0x04, 0x00, 0x0a, 0x02,
610 0x1b, 0x04, 0x00, 0x0b, 0x0a, 0x13, 0x0d, 0x1b, 0x0e, 0x21, 0x2b, 0x0e,
611 0x00, 0x0a, 0x0d, 0x73, 0x0b, 0x7a, 0x02, 0x00, 0x0a, 0x09, 0x53, 0x0c,
612 0x00, 0x0a, 0x02, 0x1b, 0x0c, 0x23, 0x0c, 0x2a, 0x04, 0x00, 0x0a, 0x05,
613 0x00, 0x0a, 0x02, 0x00, 0x0b, 0x07, 0x11, 0x00, 0x0b, 0x0e, 0x13, 0x0e,
614 0x1b, 0x11, 0x22, 0x02, 0x33, 0x0e, 0x39, 0x43, 0x0e, 0x49, 0x53, 0x0e,
615 0x00, 0x0a, 0x08, 0x00, 0x0a, 0x03, 0x23, 0x13, 0x2b, 0x15, 0x33, 0x20,
616 0x42, 0x05, 0x82, 0x01, 0x02, 0xa1, 0x01, 0xab, 0x01, 0x0e, 0xb2, 0x01,
617 0x02, 0xc3, 0x01, 0x16, 0xcb, 0x01, 0x0e, 0xd3, 0x01, 0x15, 0xdb, 0x01,
618 0x0e, 0xe3, 0x01, 0x07, 0xeb, 0x01, 0x1e, 0xf2, 0x01, 0x02, 0x83, 0x02,
619 0x1f, 0x8b, 0x02, 0x07, 0x91, 0x02, 0x9b, 0x02, 0x0e, 0xa1, 0x02, 0xb3,
620 0x02, 0x04, 0xbb, 0x02, 0x15, 0xc3, 0x02, 0x15, 0xcb, 0x02, 0x04, 0xd1,
621 0x02, 0xdb, 0x02, 0x15, 0xe2, 0x02, 0x03, 0x00, 0x0a, 0x07, 0x43, 0x14,
622 0x4a, 0x02, 0x5b, 0x13, 0x63, 0x13, 0x00, 0x0a, 0x02, 0x1b, 0x14, 0x23,
623 0x14, 0x2a, 0x04, 0x00, 0x09, 0x00, 0x0b, 0x17, 0x12, 0x0c, 0x73, 0x19,
624 0x7b, 0x1c, 0x83, 0x01, 0x1d, 0x8b, 0x01, 0x1b, 0x00, 0x0b, 0x0d, 0x13,
625 0x18, 0x00, 0x0a, 0x2e, 0x00, 0x0a, 0x03, 0x23, 0x1a, 0x2b, 0x1a, 0x33,
626 0x1b, 0x00, 0x0a, 0x09, 0x53, 0x07, 0x00, 0x0a, 0x07, 0x00, 0x09, 0x13,
627 0x1a, 0x00, 0x0a, 0x03, 0x23, 0x1a, 0x00, 0x0a, 0x03, 0x23, 0x0e, 0x2a,
628 0x02, 0x00, 0x0a, 0x0a, 0x00, 0x0a, 0x04, 0x32, 0x0a, 0x92, 0x01, 0x02,
629 0x00, 0x0b, 0x22, 0x13, 0x23, 0x1a, 0x03, 0x33, 0x04, 0x3b, 0x07, 0x42,
630 0x03, 0x5b, 0x15, 0x62, 0x03, 0x81, 0x01, 0x8b, 0x01, 0x32, 0x92, 0x01,
631 0x02, 0xa3, 0x01, 0x1b, 0xab, 0x01, 0x15, 0xb2, 0x01, 0x03, 0xcb, 0x01,
632 0x0d, 0xda, 0x01, 0x05, 0x83, 0x02, 0x15, 0x00, 0x09, 0x21, 0x00, 0x0b,
633 0x24, 0x12, 0x02, 0x00, 0x0a, 0x04, 0x32, 0x03, 0xa3, 0x06, 0x25, 0xab,
634 0x06, 0x0d, 0xb3, 0x06, 0x26, 0xbb, 0x06, 0x27, 0xc3, 0x06, 0x1b, 0xcb,
635 0x06, 0x28, 0xd3, 0x06, 0x07, 0xdb, 0x06, 0x2b, 0xe3, 0x06, 0x07, 0xeb,
636 0x06, 0x15, 0xf3, 0x06, 0x2a, 0xfb, 0x06, 0x2c, 0x83, 0x07, 0x0e, 0x8b,
637 0x07, 0x07, 0x93, 0x07, 0x15, 0x9b, 0x07, 0x2f, 0xc1, 0x3e, 0xcb, 0x3e,
638 0x30, 0xf9, 0xff, 0xff, 0xff, 0x07, 0x00, 0x0a, 0x03, 0x52, 0x02, 0x63,
639 0x15, 0x6a, 0x02, 0x00, 0x0a, 0x05, 0x33, 0x0e, 0x00, 0x0a, 0x04, 0x32,
640 0x03, 0x00, 0x0a, 0x02, 0x22, 0x02, 0x33, 0x29, 0x3a, 0x05, 0x6a, 0x0e,
641 0x00, 0x2a, 0x02, 0x00, 0x0a, 0x02, 0x1b, 0x0e, 0x22, 0x04, 0x00, 0x09,
642 0x1a, 0x02, 0x00, 0x0a, 0x0d, 0x7b, 0x2d, 0x83, 0x01, 0x2e, 0x8a, 0x01,
643 0x02, 0x00, 0x0a, 0x02, 0x1b, 0x0e, 0x21, 0x00, 0x0b, 0x0d, 0x11, 0x00,
644 0x09, 0xa3, 0x06, 0x0e, 0x00, 0x0a, 0x05, 0x33, 0x31, 0x00, 0x0a, 0x0e,
645 0x00, 0x09, 0x13, 0x0d, 0x19, 0x00, 0x09, 0x13, 0x34, 0x1a, 0x02, 0x00,
646 0x0a, 0x09, 0x00, 0x0b, 0x36, 0x12, 0x09, 0x5b, 0x0d, 0x00, 0x0a, 0x13,
647 0x00, 0x0b, 0x0e, 0x13, 0x07, 0x1b, 0x0e, 0x23, 0x11, 0x2b, 0x38, 0x32,
648 0x02, 0x00, 0x09, 0x13, 0x3b, 0x1a, 0x02, 0x2b, 0x39, 0x32, 0x09, 0x00,
649 0x0a, 0x03, 0x23, 0x3a, 0x2a, 0x02, 0x00, 0x0b, 0x04, 0x00, 0x0a, 0x06,
650 0x42, 0x02, 0x00, 0x0a, 0x06, 0x00, 0x0b, 0x07, 0x13, 0x04, 0x00, 0x0b,
651 0x3f, 0x13, 0x04, 0x00, 0x0a, 0x08, 0x4b, 0x07, 0x00, 0x0b, 0x07, 0x12,
652 0x02, 0x00, 0x0b, 0x0d, 0x12, 0x02, 0x00, 0x0a, 0x06, 0x3b, 0x0e, 0x42,
653 0x02, 0x00, 0x0b, 0x44, 0x12, 0x02, 0x00, 0x0b, 0x45, 0x13, 0x45, 0x00,
654 0x09, 0x13, 0x04, 0x1b, 0x0e, 0x00, 0x0b, 0x47, 0x13, 0x04, 0x19, 0x00,
655 0x0b, 0x48, 0x13, 0x0d, 0x1a, 0x03, 0x00, 0x0a, 0x03, 0x2a, 0x06, 0x00,
656 0x0a, 0x05, 0x33, 0x0e, 0x3b, 0x4a, 0x42, 0x08, 0x00, 0x0b, 0x0e, 0x13,
657 0x0e, 0x1b, 0x0e, 0x00, 0x09, 0x13, 0x1b, 0x23, 0x0e, 0x2a, 0x02, 0x3b,
658 0x0e, 0x43, 0x0e, 0x4b, 0x11, 0x00, 0x0b, 0x0d, 0x00, 0x0a, 0x08, 0x4b,
659 0x07, 0x82, 0x01, 0x05, 0x00, 0x0b, 0x0d, 0x13, 0x3c, 0x00, 0x0a, 0x06,
660 0x82, 0x01, 0x03, 0x9b, 0x01, 0x15, 0x00, 0x0b, 0x0e, 0x00, 0x09, 0x13,
661 0x52, 0x00, 0x0a, 0x0f, 0x00, 0x0a, 0x02, 0x1b, 0x54, 0x00, 0x09, 0x13,
662 0x55, 0x1b, 0x07, 0x00, 0x0a, 0x04, 0x2b, 0x07, 0x00, 0x0b, 0x04, 0x13,
663 0x11, 0x1b, 0x0d, 0x23, 0x57, 0x2b, 0x15, 0x00, 0x0a, 0x0b, 0x00, 0x0b,
664 0x59, 0x12, 0x02, 0x23, 0x0e, 0x00, 0x0b, 0x07, 0x00, 0x0a, 0x02, 0x1b,
665 0x0e, 0x00, 0x0a, 0x02, 0x1b, 0x5c, 0x00, 0x09, 0x13, 0x04, 0x00, 0x0a,
666 0x02, 0x1b, 0x5e, 0x00, 0x0a, 0x02, 0x1b, 0x0e, 0x23, 0x0e, 0x00, 0x0a,
667 0x02, 0x1b, 0x1b, 0x23, 0x11, 0x29, 0x33, 0x0d, 0x3b, 0x0e, 0x43, 0x3c,
668 0x00, 0x09, 0x13, 0x61, 0x19, 0x23, 0x57, 0x00, 0x0a, 0x02, 0x1b, 0x0e,
669 0x23, 0x1b, 0x5b, 0x0e, 0x63, 0x04, 0x6b, 0x0e, 0x73, 0x04, 0x7b, 0x04,
670 0x83, 0x01, 0x04, 0x8b, 0x01, 0x0d, 0x93, 0x01, 0x04, 0x9b, 0x01, 0x04,
671 0xa3, 0x01, 0x0d, 0xab, 0x01, 0x15, 0xb3, 0x01, 0x15, 0xbb, 0x01, 0x0e,
672 0xc3, 0x01, 0x15, 0xcb, 0x01, 0x15, 0xd3, 0x01, 0x15, 0xdb, 0x01, 0x0d,
673 0xe3, 0x01, 0x3c, 0xeb, 0x01, 0x04, 0xf3, 0x01, 0x3c, 0xfb, 0x01, 0x0d,
674 0x83, 0x02, 0x3c, 0x8b, 0x02, 0x1b, 0x93, 0x02, 0x3c, 0x9b, 0x02, 0x0d,
675 0xa3, 0x02, 0x04, 0xab, 0x02, 0x0e, 0xb3, 0x02, 0x0e, 0xbb, 0x02, 0x0e,
676 0xc3, 0x02, 0x04, 0xcb, 0x02, 0x0d, 0xd3, 0x02, 0x0d, 0xdb, 0x02, 0x07,
677 0xe3, 0x02, 0x04, 0xeb, 0x02, 0x1b, 0xf3, 0x02, 0x04, 0xfb, 0x02, 0x15,
678 0x83, 0x03, 0x0e, 0x8b, 0x03, 0x15, 0x93, 0x03, 0x1b, 0x9b, 0x03, 0x15,
679 0xa3, 0x03, 0x0d, 0xab, 0x03, 0x15, 0xb3, 0x03, 0x15, 0xbb, 0x03, 0x15,
680 0xc3, 0x03, 0x15, 0xcb, 0x03, 0x15, 0xd3, 0x03, 0x0e, 0xdb, 0x03, 0x0d,
681 0xe3, 0x03, 0x15, 0xeb, 0x03, 0x15, 0xf3, 0x03, 0x15, 0xfb, 0x03, 0x15,
682 0x83, 0x04, 0x15, 0x8b, 0x04, 0x04, 0x93, 0x04, 0x0e, 0x9b, 0x04, 0x0d,
683 0xa3, 0x04, 0x04, 0xab, 0x04, 0x04, 0xb3, 0x04, 0x04, 0xbb, 0x04, 0x0d,
684 0xc3, 0x04, 0x04, 0xcb, 0x04, 0x04, 0xd3, 0x04, 0x04, 0xdb, 0x04, 0x04,
685 0xe3, 0x04, 0x0e, 0xeb, 0x04, 0x07, 0xf3, 0x04, 0x07, 0xfb, 0x04, 0x62,
686 0x83, 0x05, 0x04, 0x8b, 0x05, 0x07, 0x93, 0x05, 0x11, 0x9b, 0x05, 0x0d,
687 0xa3, 0x05, 0x62, 0xab, 0x05, 0x0e, 0xb3, 0x05, 0x04, 0xbb, 0x05, 0x1b,
688 0xc3, 0x05, 0x04, 0xcb, 0x05, 0x15, 0xd3, 0x05, 0x15, 0xdb, 0x05, 0x11,
689 0xe3, 0x05, 0x0e, 0xeb, 0x05, 0x0e, 0xf3, 0x05, 0x1f, 0xfb, 0x05, 0x04,
690 0x83, 0x06, 0x15, 0x8b, 0x06, 0x0d, 0x93, 0x06, 0x0d, 0x9b, 0x06, 0x0d,
691 0xa3, 0x06, 0x3c, 0xab, 0x06, 0x3c, 0xb3, 0x06, 0x3c, 0xbb, 0x06, 0x3c,
692 0xc3, 0x06, 0x07, 0xcb, 0x06, 0x07, 0xd3, 0x06, 0x07, 0xdb, 0x06, 0x15,
693 0xe3, 0x06, 0x04, 0xeb, 0x06, 0x0e, 0xf3, 0x06, 0x07, 0xfb, 0x06, 0x04,
694 0x83, 0x07, 0x04, 0x8b, 0x07, 0x04, 0x93, 0x07, 0x0d, 0x9b, 0x07, 0x0d,
695 0xa3, 0x07, 0x0d, 0xab, 0x07, 0x0d, 0xb3, 0x07, 0x0d, 0xbb, 0x07, 0x0d,
696 0xc3, 0x07, 0x3c, 0xcb, 0x07, 0x04, 0xd3, 0x07, 0x0d, 0xdb, 0x07, 0x15,
697 0xe3, 0x07, 0x3c, 0xeb, 0x07, 0x3c, 0xf3, 0x07, 0x1b, 0x83, 0x08, 0x1b,
698 0x8b, 0x08, 0x3c, 0x93, 0x08, 0x0d, 0x9b, 0x08, 0x0d, 0xa3, 0x08, 0x04,
699 0xab, 0x08, 0x0e, 0xb3, 0x08, 0x07, 0xbb, 0x08, 0x57, 0xc3, 0x08, 0x07,
700 0xcb, 0x08, 0x04, 0xd3, 0x08, 0x07, 0xdb, 0x08, 0x11, 0xe3, 0x08, 0x1b,
701 0xeb, 0x08, 0x34, 0xf3, 0x08, 0x1f, 0xfb, 0x08, 0x0d, 0x83, 0x09, 0x0d,
702 0x8b, 0x09, 0x3c, 0x93, 0x09, 0x04, 0x9b, 0x09, 0x0e, 0xa3, 0x09, 0x04,
703 0xab, 0x09, 0x3c, 0xb3, 0x09, 0x04, 0xbb, 0x09, 0x3c, 0xc3, 0x09, 0x3c,
704 0xcb, 0x09, 0x04, 0xd3, 0x09, 0x1b, 0xdb, 0x09, 0x07, 0xe3, 0x09, 0x0d,
705 0xeb, 0x09, 0x04, 0xf3, 0x09, 0x04, 0xfb, 0x09, 0x04, 0x83, 0x0a, 0x04,
706 0x8b, 0x0a, 0x1b, 0x93, 0x0a, 0x1f, 0x9b, 0x0a, 0x11, 0xa3, 0x0a, 0x07,
707 0xab, 0x0a, 0x07, 0xb3, 0x0a, 0x0d, 0xbb, 0x0a, 0x11, 0xc3, 0x0a, 0x0d,
708 0xcb, 0x0a, 0x0d, 0xd3, 0x0a, 0x1b, 0xdb, 0x0a, 0x04, 0xe3, 0x0a, 0x1b,
709 0xeb, 0x0a, 0x0d, 0xf3, 0x0a, 0x3c, 0xfb, 0x0a, 0x0d, 0x83, 0x0b, 0x1b,
710 0x8b, 0x0b, 0x0d, 0x93, 0x0b, 0x3c, 0x9b, 0x0b, 0x3c, 0xa3, 0x0b, 0x3c,
711 0xab, 0x0b, 0x07, 0xb3, 0x0b, 0x0d, 0xbb, 0x0b, 0x11, 0xc3, 0x0b, 0x07,
712 0xcb, 0x0b, 0x0d, 0xd3, 0x0b, 0x0d, 0xdb, 0x0b, 0x04, 0xe3, 0x0b, 0x0d,
713 0xeb, 0x0b, 0x0d, 0xf3, 0x0b, 0x0e, 0xfb, 0x0b, 0x0e, 0x83, 0x0c, 0x04,
714 0x8b, 0x0c, 0x0e, 0x93, 0x0c, 0x0e, 0x9b, 0x0c, 0x0e, 0xa3, 0x0c, 0x0d,
715 0xab, 0x0c, 0x0d, 0xb3, 0x0c, 0x04, 0xbb, 0x0c, 0x07, 0xc3, 0x0c, 0x63,
716 0xcb, 0x0c, 0x0d, 0xd3, 0x0c, 0x0d, 0xdb, 0x0c, 0x1f, 0xe3, 0x0c, 0x3c,
717 0xeb, 0x0c, 0x0d, 0xf3, 0x0c, 0x0e, 0xfb, 0x0c, 0x04, 0x83, 0x0d, 0x04,
718 0x8b, 0x0d, 0x11, 0x93, 0x0d, 0x1f, 0x9b, 0x0d, 0x04, 0xa3, 0x0d, 0x0e,
719 0xab, 0x0d, 0x0d, 0xb3, 0x0d, 0x0d, 0xbb, 0x0d, 0x04, 0xc3, 0x0d, 0x04,
720 0xcb, 0x0d, 0x07, 0xd3, 0x0d, 0x04, 0xdb, 0x0d, 0x0d, 0xb3, 0x0e, 0x0d,
721 0xbb, 0x0e, 0x04, 0xc3, 0x0e, 0x1f, 0xcb, 0x0e, 0x1b, 0xd3, 0x0e, 0x0d,
722 0xdb, 0x0e, 0x07, 0xe3, 0x0e, 0x07, 0xeb, 0x0e, 0x04, 0xf3, 0x0e, 0x07,
723 0xfb, 0x0e, 0x07, 0x83, 0x0f, 0x04, 0x8b, 0x0f, 0x0e, 0x93, 0x0f, 0x04,
724 0x9b, 0x0f, 0x0d, 0xa3, 0x0f, 0x11, 0xab, 0x0f, 0x11, 0xb3, 0x0f, 0x3c,
725 0xbb, 0x0f, 0x1f, 0xc3, 0x0f, 0x11, 0xcb, 0x0f, 0x04, 0xd3, 0x0f, 0x04,
726 0xdb, 0x0f, 0x0d, 0xe3, 0x0f, 0x04, 0xeb, 0x0f, 0x3c, 0xf3, 0x0f, 0x0d,
727 0xfb, 0x0f, 0x11, 0x83, 0x10, 0x0d, 0x8b, 0x10, 0x04, 0x93, 0x10, 0x11,
728 0x9b, 0x10, 0x0d, 0xa3, 0x10, 0x04, 0xab, 0x10, 0x0d, 0xb3, 0x10, 0x0d,
729 0xbb, 0x10, 0x04, 0xc3, 0x10, 0x07, 0xcb, 0x10, 0x07, 0xd3, 0x10, 0x04,
730 0xdb, 0x10, 0x0d, 0xe3, 0x10, 0x0d, 0xeb, 0x10, 0x04, 0xf3, 0x10, 0x3c,
731 0xfb, 0x10, 0x0d, 0x83, 0x11, 0x04, 0x8b, 0x11, 0x0d, 0x93, 0x11, 0x0e,
732 0x9b, 0x11, 0x0e, 0xa3, 0x11, 0x0e, 0xab, 0x11, 0x0e, 0xb3, 0x11, 0x0e,
733 0xbb, 0x11, 0x0e, 0xc3, 0x11, 0x15, 0xcb, 0x11, 0x07, 0xd3, 0x11, 0x0d,
734 0xdb, 0x11, 0x0d, 0xe3, 0x11, 0x0d, 0xeb, 0x11, 0x3c, 0xf3, 0x11, 0x3c,
735 0xfb, 0x11, 0x0d, 0x83, 0x12, 0x15, 0x8b, 0x12, 0x07, 0x93, 0x12, 0x07,
736 0x9b, 0x12, 0x15, 0xa3, 0x12, 0x04, 0xab, 0x12, 0x04, 0xb3, 0x12, 0x07,
737 0xbb, 0x12, 0x07, 0xc3, 0x12, 0x0e, 0xcb, 0x12, 0x0e, 0xd3, 0x12, 0x0e,
738 0xdb, 0x12, 0x0d, 0xe3, 0x12, 0x3c, 0xeb, 0x12, 0x0d, 0xf3, 0x12, 0x3c,
739 0xfb, 0x12, 0x0e, 0x83, 0x13, 0x15, 0x8b, 0x13, 0x15, 0x93, 0x13, 0x15,
740 0x9b, 0x13, 0x0d, 0xa3, 0x13, 0x1b, 0xab, 0x13, 0x07, 0xb3, 0x13, 0x04,
741 0xbb, 0x13, 0x04, 0xc3, 0x13, 0x07, 0xcb, 0x13, 0x07, 0xd3, 0x13, 0x04,
742 0xdb, 0x13, 0x04, 0xe3, 0x13, 0x07, 0xeb, 0x13, 0x07, 0xf3, 0x13, 0x07,
743 0xfb, 0x13, 0x07, 0x83, 0x14, 0x15, 0x8b, 0x14, 0x15, 0x93, 0x14, 0x0e,
744 0x9b, 0x14, 0x04, 0xa3, 0x14, 0x04, 0xab, 0x14, 0x3c, 0xb3, 0x14, 0x04,
745 0xbb, 0x14, 0x64, 0xc3, 0x14, 0x07, 0xcb, 0x14, 0x15, 0xd3, 0x14, 0x0e,
746 0xdb, 0x14, 0x07, 0xe3, 0x14, 0x0e, 0xeb, 0x14, 0x0d, 0xf3, 0x14, 0x15,
747 0xfb, 0x14, 0x04, 0x83, 0x15, 0x0e, 0x8b, 0x15, 0x0e, 0x93, 0x15, 0x04,
748 0x9b, 0x15, 0x66, 0xa3, 0x15, 0x04, 0xab, 0x15, 0x07, 0xb3, 0x15, 0x0e,
749 0xbb, 0x15, 0x07, 0xc3, 0x15, 0x07, 0xcb, 0x15, 0x07, 0xd3, 0x15, 0x07,
750 0xdb, 0x15, 0x04, 0xe3, 0x15, 0x3c, 0xeb, 0x15, 0x67, 0xf3, 0x15, 0x07,
751 0xfb, 0x15, 0x04, 0x83, 0x16, 0x07, 0x8b, 0x16, 0x07, 0x93, 0x16, 0x04,
752 0x9b, 0x16, 0x11, 0xa3, 0x16, 0x68, 0xab, 0x16, 0x3c, 0xb3, 0x16, 0x07,
753 0x00, 0x0a, 0x10, 0x00, 0x0a, 0x14, 0x00, 0x09, 0x13, 0x65, 0x00, 0x09,
754 0x1a, 0x03, 0x00, 0x00, 0x09, 0x22, 0x03, 0x00, 0x0a, 0x0c, 0x00, 0x0b,
755 0x6a, 0x00, 0x0b, 0x6b, 0x00, 0x0a, 0x03, 0x23, 0x6c, 0x2b, 0x6e, 0x3b,
756 0x6d, 0x52, 0x02, 0x00, 0x09, 0x13, 0x6d, 0x1b, 0x6c, 0x23, 0x6e, 0x33,
757 0x6d, 0x43, 0x6f, 0x4b, 0x0e, 0x51, 0x00, 0x0a, 0x07, 0x49, 0x00, 0x09,
758 0x13, 0x0e, 0x29, 0x00, 0x09, 0x13, 0x66, 0x00, 0x0a, 0x04, 0x2b, 0x71,
759 0x00, 0x09, 0x13, 0x71, 0x1a, 0x04, 0x00, 0x0b, 0x0e, 0x13, 0x0e, 0x1b,
760 0x0e, 0x23, 0x07, 0x2b, 0x0e, 0x33, 0x07, 0x3b, 0x0e, 0x83, 0x01, 0x0e,
761 0x8b, 0x01, 0x0e, 0x93, 0x01, 0x0e, 0x9b, 0x01, 0x11, 0xa3, 0x01, 0x0e,
762 0xab, 0x01, 0x07, 0xb3, 0x01, 0x0e, 0xbb, 0x01, 0x04, 0xc3, 0x01, 0x07,
763 0xcb, 0x01, 0x0e, 0xd3, 0x01, 0x0e, 0x00, 0x5b, 0x74, 0x63, 0x75, 0xd1,
764 0x03, 0x00, 0x59, 0xf9, 0x01, 0xe9, 0x02, 0x00, 0x0b, 0x2d, 0x00, 0x89,
765 0x8c, 0xb0, 0x80, 0x08};
766
767 MessageFilter filt;
768 ASSERT_TRUE(
769 filt.LoadFilterBytecode(kFilterBytecode, sizeof(kFilterBytecode)));
770
771 // Pass the trace in input splitting it in slices of arbitrary size.
772 std::vector<MessageFilter::InputSlice> input_slices;
773 for (size_t i = 0; i < sizeof(kTraceData);) {
774 std::minstd_rand0 rnd_engine(0);
775 size_t slice_size = rnd_engine() % 4096;
776 slice_size = std::min(slice_size, sizeof(kTraceData) - i);
777 input_slices.emplace_back(
778 MessageFilter::InputSlice{kTraceData + i, slice_size});
779 i += slice_size;
780 }
781
782 auto filtered_data =
783 filt.FilterMessageFragments(input_slices.data(), input_slices.size());
784
785 EXPECT_GT(filtered_data.size, 0u);
786 EXPECT_LE(filtered_data.size, sizeof(kTraceData));
787
788 perfetto::protos::Trace original_trace;
789 ASSERT_TRUE(original_trace.ParseFromArray(kTraceData, sizeof(kTraceData)));
790
791 perfetto::protos::Trace filtered_trace;
792 ASSERT_TRUE(filtered_trace.ParseFromArray(
793 filtered_data.data.get(), static_cast<int>(filtered_data.size)));
794
795 // Check that the re-serialized traces are identical.
796 std::string original_ser = original_trace.SerializeAsString();
797 std::string filter_ser = filtered_trace.SerializeAsString();
798
799 EXPECT_EQ(filtered_trace.packet_size(), original_trace.packet_size());
800
801 // Don't use EXPECT_EQ, the string is too big. If this check fails, the gtest
802 // diffing algorithm will take several minutes to compute the diff.
803 // That would mistakenly look like a CI or timing-related issue as the gtest
804 // would fail due to timeout.
805 // If this check fails, use base::HexDump() to investigate.
806 EXPECT_TRUE(original_ser == filter_ser);
807 }
808
809 } // namespace
810 } // namespace protozero
811