1// Copyright 2010 The Go Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style 3// license that can be found in the LICENSE file. 4 5package zip 6 7import ( 8 "bytes" 9 "encoding/binary" 10 "encoding/hex" 11 "io" 12 "io/ioutil" 13 "os" 14 "path/filepath" 15 "regexp" 16 "strings" 17 "testing" 18 "time" 19) 20 21type ZipTest struct { 22 Name string 23 Source func() (r io.ReaderAt, size int64) // if non-nil, used instead of testdata/<Name> file 24 Comment string 25 File []ZipTestFile 26 Error error // the error that Opening this file should return 27} 28 29type ZipTestFile struct { 30 Name string 31 Mode os.FileMode 32 Mtime string // optional, modified time in format "mm-dd-yy hh:mm:ss" 33 34 // Information describing expected zip file content. 35 // First, reading the entire content should produce the error ContentErr. 36 // Second, if ContentErr==nil, the content should match Content. 37 // If content is large, an alternative to setting Content is to set File, 38 // which names a file in the testdata/ directory containing the 39 // uncompressed expected content. 40 // If content is very large, an alternative to setting Content or File 41 // is to set Size, which will then be checked against the header-reported size 42 // but will bypass the decompressing of the actual data. 43 // This last option is used for testing very large (multi-GB) compressed files. 44 ContentErr error 45 Content []byte 46 File string 47 Size uint64 48} 49 50// Caution: The Mtime values found for the test files should correspond to 51// the values listed with unzip -l <zipfile>. However, the values 52// listed by unzip appear to be off by some hours. When creating 53// fresh test files and testing them, this issue is not present. 54// The test files were created in Sydney, so there might be a time 55// zone issue. The time zone information does have to be encoded 56// somewhere, because otherwise unzip -l could not provide a different 57// time from what the archive/zip package provides, but there appears 58// to be no documentation about this. 59 60var tests = []ZipTest{ 61 { 62 Name: "test.zip", 63 Comment: "This is a zipfile comment.", 64 File: []ZipTestFile{ 65 { 66 Name: "test.txt", 67 Content: []byte("This is a test text file.\n"), 68 Mtime: "09-05-10 12:12:02", 69 Mode: 0644, 70 }, 71 { 72 Name: "gophercolor16x16.png", 73 File: "gophercolor16x16.png", 74 Mtime: "09-05-10 15:52:58", 75 Mode: 0644, 76 }, 77 }, 78 }, 79 { 80 Name: "test-trailing-junk.zip", 81 Comment: "This is a zipfile comment.", 82 File: []ZipTestFile{ 83 { 84 Name: "test.txt", 85 Content: []byte("This is a test text file.\n"), 86 Mtime: "09-05-10 12:12:02", 87 Mode: 0644, 88 }, 89 { 90 Name: "gophercolor16x16.png", 91 File: "gophercolor16x16.png", 92 Mtime: "09-05-10 15:52:58", 93 Mode: 0644, 94 }, 95 }, 96 }, 97 { 98 Name: "r.zip", 99 Source: returnRecursiveZip, 100 File: []ZipTestFile{ 101 { 102 Name: "r/r.zip", 103 Content: rZipBytes(), 104 Mtime: "03-04-10 00:24:16", 105 Mode: 0666, 106 }, 107 }, 108 }, 109 { 110 Name: "symlink.zip", 111 File: []ZipTestFile{ 112 { 113 Name: "symlink", 114 Content: []byte("../target"), 115 Mode: 0777 | os.ModeSymlink, 116 }, 117 }, 118 }, 119 { 120 Name: "readme.zip", 121 }, 122 { 123 Name: "readme.notzip", 124 Error: ErrFormat, 125 }, 126 { 127 Name: "dd.zip", 128 File: []ZipTestFile{ 129 { 130 Name: "filename", 131 Content: []byte("This is a test textfile.\n"), 132 Mtime: "02-02-11 13:06:20", 133 Mode: 0666, 134 }, 135 }, 136 }, 137 { 138 // created in windows XP file manager. 139 Name: "winxp.zip", 140 File: crossPlatform, 141 }, 142 { 143 // created by Zip 3.0 under Linux 144 Name: "unix.zip", 145 File: crossPlatform, 146 }, 147 { 148 // created by Go, before we wrote the "optional" data 149 // descriptor signatures (which are required by OS X) 150 Name: "go-no-datadesc-sig.zip", 151 File: []ZipTestFile{ 152 { 153 Name: "foo.txt", 154 Content: []byte("foo\n"), 155 Mtime: "03-08-12 16:59:10", 156 Mode: 0644, 157 }, 158 { 159 Name: "bar.txt", 160 Content: []byte("bar\n"), 161 Mtime: "03-08-12 16:59:12", 162 Mode: 0644, 163 }, 164 }, 165 }, 166 { 167 // created by Go, after we wrote the "optional" data 168 // descriptor signatures (which are required by OS X) 169 Name: "go-with-datadesc-sig.zip", 170 File: []ZipTestFile{ 171 { 172 Name: "foo.txt", 173 Content: []byte("foo\n"), 174 Mode: 0666, 175 }, 176 { 177 Name: "bar.txt", 178 Content: []byte("bar\n"), 179 Mode: 0666, 180 }, 181 }, 182 }, 183 { 184 Name: "Bad-CRC32-in-data-descriptor", 185 Source: returnCorruptCRC32Zip, 186 File: []ZipTestFile{ 187 { 188 Name: "foo.txt", 189 Content: []byte("foo\n"), 190 Mode: 0666, 191 ContentErr: ErrChecksum, 192 }, 193 { 194 Name: "bar.txt", 195 Content: []byte("bar\n"), 196 Mode: 0666, 197 }, 198 }, 199 }, 200 // Tests that we verify (and accept valid) crc32s on files 201 // with crc32s in their file header (not in data descriptors) 202 { 203 Name: "crc32-not-streamed.zip", 204 File: []ZipTestFile{ 205 { 206 Name: "foo.txt", 207 Content: []byte("foo\n"), 208 Mtime: "03-08-12 16:59:10", 209 Mode: 0644, 210 }, 211 { 212 Name: "bar.txt", 213 Content: []byte("bar\n"), 214 Mtime: "03-08-12 16:59:12", 215 Mode: 0644, 216 }, 217 }, 218 }, 219 // Tests that we verify (and reject invalid) crc32s on files 220 // with crc32s in their file header (not in data descriptors) 221 { 222 Name: "crc32-not-streamed.zip", 223 Source: returnCorruptNotStreamedZip, 224 File: []ZipTestFile{ 225 { 226 Name: "foo.txt", 227 Content: []byte("foo\n"), 228 Mtime: "03-08-12 16:59:10", 229 Mode: 0644, 230 ContentErr: ErrChecksum, 231 }, 232 { 233 Name: "bar.txt", 234 Content: []byte("bar\n"), 235 Mtime: "03-08-12 16:59:12", 236 Mode: 0644, 237 }, 238 }, 239 }, 240 { 241 Name: "zip64.zip", 242 File: []ZipTestFile{ 243 { 244 Name: "README", 245 Content: []byte("This small file is in ZIP64 format.\n"), 246 Mtime: "08-10-12 14:33:32", 247 Mode: 0644, 248 }, 249 }, 250 }, 251 // Another zip64 file with different Extras fields. (golang.org/issue/7069) 252 { 253 Name: "zip64-2.zip", 254 File: []ZipTestFile{ 255 { 256 Name: "README", 257 Content: []byte("This small file is in ZIP64 format.\n"), 258 Mtime: "08-10-12 14:33:32", 259 Mode: 0644, 260 }, 261 }, 262 }, 263 // Largest possible non-zip64 file, with no zip64 header. 264 { 265 Name: "big.zip", 266 Source: returnBigZipBytes, 267 File: []ZipTestFile{ 268 { 269 Name: "big.file", 270 Content: nil, 271 Size: 1<<32 - 1, 272 Mode: 0666, 273 }, 274 }, 275 }, 276} 277 278var crossPlatform = []ZipTestFile{ 279 { 280 Name: "hello", 281 Content: []byte("world \r\n"), 282 Mode: 0666, 283 }, 284 { 285 Name: "dir/bar", 286 Content: []byte("foo \r\n"), 287 Mode: 0666, 288 }, 289 { 290 Name: "dir/empty/", 291 Content: []byte{}, 292 Mode: os.ModeDir | 0777, 293 }, 294 { 295 Name: "readonly", 296 Content: []byte("important \r\n"), 297 Mode: 0444, 298 }, 299} 300 301func TestReader(t *testing.T) { 302 for _, zt := range tests { 303 readTestZip(t, zt) 304 } 305} 306 307func readTestZip(t *testing.T, zt ZipTest) { 308 var z *Reader 309 var err error 310 if zt.Source != nil { 311 rat, size := zt.Source() 312 z, err = NewReader(rat, size) 313 } else { 314 var rc *ReadCloser 315 rc, err = OpenReader(filepath.Join("testdata", zt.Name)) 316 if err == nil { 317 defer rc.Close() 318 z = &rc.Reader 319 } 320 } 321 if err != zt.Error { 322 t.Errorf("%s: error=%v, want %v", zt.Name, err, zt.Error) 323 return 324 } 325 326 // bail if file is not zip 327 if err == ErrFormat { 328 return 329 } 330 331 // bail here if no Files expected to be tested 332 // (there may actually be files in the zip, but we don't care) 333 if zt.File == nil { 334 return 335 } 336 337 if z.Comment != zt.Comment { 338 t.Errorf("%s: comment=%q, want %q", zt.Name, z.Comment, zt.Comment) 339 } 340 if len(z.File) != len(zt.File) { 341 t.Fatalf("%s: file count=%d, want %d", zt.Name, len(z.File), len(zt.File)) 342 } 343 344 // test read of each file 345 for i, ft := range zt.File { 346 readTestFile(t, zt, ft, z.File[i]) 347 } 348 349 // test simultaneous reads 350 n := 0 351 done := make(chan bool) 352 for i := 0; i < 5; i++ { 353 for j, ft := range zt.File { 354 go func(j int, ft ZipTestFile) { 355 readTestFile(t, zt, ft, z.File[j]) 356 done <- true 357 }(j, ft) 358 n++ 359 } 360 } 361 for ; n > 0; n-- { 362 <-done 363 } 364} 365 366func readTestFile(t *testing.T, zt ZipTest, ft ZipTestFile, f *File) { 367 if f.Name != ft.Name { 368 t.Errorf("%s: name=%q, want %q", zt.Name, f.Name, ft.Name) 369 } 370 371 if ft.Mtime != "" { 372 mtime, err := time.Parse("01-02-06 15:04:05", ft.Mtime) 373 if err != nil { 374 t.Error(err) 375 return 376 } 377 if ft := f.ModTime(); !ft.Equal(mtime) { 378 t.Errorf("%s: %s: mtime=%s, want %s", zt.Name, f.Name, ft, mtime) 379 } 380 } 381 382 testFileMode(t, zt.Name, f, ft.Mode) 383 384 size := uint64(f.UncompressedSize) 385 if size == uint32max { 386 size = f.UncompressedSize64 387 } else if size != f.UncompressedSize64 { 388 t.Errorf("%v: UncompressedSize=%#x does not match UncompressedSize64=%#x", f.Name, size, f.UncompressedSize64) 389 } 390 391 r, err := f.Open() 392 if err != nil { 393 t.Errorf("%s: %v", zt.Name, err) 394 return 395 } 396 397 // For very large files, just check that the size is correct. 398 // The content is expected to be all zeros. 399 // Don't bother uncompressing: too big. 400 if ft.Content == nil && ft.File == "" && ft.Size > 0 { 401 if size != ft.Size { 402 t.Errorf("%v: uncompressed size %#x, want %#x", ft.Name, size, ft.Size) 403 } 404 r.Close() 405 return 406 } 407 408 var b bytes.Buffer 409 _, err = io.Copy(&b, r) 410 if err != ft.ContentErr { 411 t.Errorf("%s: copying contents: %v (want %v)", zt.Name, err, ft.ContentErr) 412 } 413 if err != nil { 414 return 415 } 416 r.Close() 417 418 if g := uint64(b.Len()); g != size { 419 t.Errorf("%v: read %v bytes but f.UncompressedSize == %v", f.Name, g, size) 420 } 421 422 var c []byte 423 if ft.Content != nil { 424 c = ft.Content 425 } else if c, err = ioutil.ReadFile("testdata/" + ft.File); err != nil { 426 t.Error(err) 427 return 428 } 429 430 if b.Len() != len(c) { 431 t.Errorf("%s: len=%d, want %d", f.Name, b.Len(), len(c)) 432 return 433 } 434 435 for i, b := range b.Bytes() { 436 if b != c[i] { 437 t.Errorf("%s: content[%d]=%q want %q", f.Name, i, b, c[i]) 438 return 439 } 440 } 441} 442 443func testFileMode(t *testing.T, zipName string, f *File, want os.FileMode) { 444 mode := f.Mode() 445 if want == 0 { 446 t.Errorf("%s: %s mode: got %v, want none", zipName, f.Name, mode) 447 } else if mode != want { 448 t.Errorf("%s: %s mode: want %v, got %v", zipName, f.Name, want, mode) 449 } 450} 451 452func TestInvalidFiles(t *testing.T) { 453 const size = 1024 * 70 // 70kb 454 b := make([]byte, size) 455 456 // zeroes 457 _, err := NewReader(bytes.NewReader(b), size) 458 if err != ErrFormat { 459 t.Errorf("zeroes: error=%v, want %v", err, ErrFormat) 460 } 461 462 // repeated directoryEndSignatures 463 sig := make([]byte, 4) 464 binary.LittleEndian.PutUint32(sig, directoryEndSignature) 465 for i := 0; i < size-4; i += 4 { 466 copy(b[i:i+4], sig) 467 } 468 _, err = NewReader(bytes.NewReader(b), size) 469 if err != ErrFormat { 470 t.Errorf("sigs: error=%v, want %v", err, ErrFormat) 471 } 472} 473 474func messWith(fileName string, corrupter func(b []byte)) (r io.ReaderAt, size int64) { 475 data, err := ioutil.ReadFile(filepath.Join("testdata", fileName)) 476 if err != nil { 477 panic("Error reading " + fileName + ": " + err.Error()) 478 } 479 corrupter(data) 480 return bytes.NewReader(data), int64(len(data)) 481} 482 483func returnCorruptCRC32Zip() (r io.ReaderAt, size int64) { 484 return messWith("go-with-datadesc-sig.zip", func(b []byte) { 485 // Corrupt one of the CRC32s in the data descriptor: 486 b[0x2d]++ 487 }) 488} 489 490func returnCorruptNotStreamedZip() (r io.ReaderAt, size int64) { 491 return messWith("crc32-not-streamed.zip", func(b []byte) { 492 // Corrupt foo.txt's final crc32 byte, in both 493 // the file header and TOC. (0x7e -> 0x7f) 494 b[0x11]++ 495 b[0x9d]++ 496 497 // TODO(bradfitz): add a new test that only corrupts 498 // one of these values, and verify that that's also an 499 // error. Currently, the reader code doesn't verify the 500 // fileheader and TOC's crc32 match if they're both 501 // non-zero and only the second line above, the TOC, 502 // is what matters. 503 }) 504} 505 506// rZipBytes returns the bytes of a recursive zip file, without 507// putting it on disk and triggering certain virus scanners. 508func rZipBytes() []byte { 509 s := ` 5100000000 50 4b 03 04 14 00 00 00 08 00 08 03 64 3c f9 f4 5110000010 89 64 48 01 00 00 b8 01 00 00 07 00 00 00 72 2f 5120000020 72 2e 7a 69 70 00 25 00 da ff 50 4b 03 04 14 00 5130000030 00 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00 5140000040 b8 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00 5150000050 2f 00 d0 ff 00 25 00 da ff 50 4b 03 04 14 00 00 5160000060 00 08 00 08 03 64 3c f9 f4 89 64 48 01 00 00 b8 5170000070 01 00 00 07 00 00 00 72 2f 72 2e 7a 69 70 00 2f 5180000080 00 d0 ff c2 54 8e 57 39 00 05 00 fa ff c2 54 8e 5190000090 57 39 00 05 00 fa ff 00 05 00 fa ff 00 14 00 eb 52000000a0 ff c2 54 8e 57 39 00 05 00 fa ff 00 05 00 fa ff 52100000b0 00 14 00 eb ff 42 88 21 c4 00 00 14 00 eb ff 42 52200000c0 88 21 c4 00 00 14 00 eb ff 42 88 21 c4 00 00 14 52300000d0 00 eb ff 42 88 21 c4 00 00 14 00 eb ff 42 88 21 52400000e0 c4 00 00 00 00 ff ff 00 00 00 ff ff 00 34 00 cb 52500000f0 ff 42 88 21 c4 00 00 00 00 ff ff 00 00 00 ff ff 5260000100 00 34 00 cb ff 42 e8 21 5e 0f 00 00 00 ff ff 0a 5270000110 f0 66 64 12 61 c0 15 dc e8 a0 48 bf 48 af 2a b3 5280000120 20 c0 9b 95 0d c4 67 04 42 53 06 06 06 40 00 06 5290000130 00 f9 ff 6d 01 00 00 00 00 42 e8 21 5e 0f 00 00 5300000140 00 ff ff 0a f0 66 64 12 61 c0 15 dc e8 a0 48 bf 5310000150 48 af 2a b3 20 c0 9b 95 0d c4 67 04 42 53 06 06 5320000160 06 40 00 06 00 f9 ff 6d 01 00 00 00 00 50 4b 01 5330000170 02 14 00 14 00 00 00 08 00 08 03 64 3c f9 f4 89 5340000180 64 48 01 00 00 b8 01 00 00 07 00 00 00 00 00 00 5350000190 00 00 00 00 00 00 00 00 00 00 00 72 2f 72 2e 7a 53600001a0 69 70 50 4b 05 06 00 00 00 00 01 00 01 00 35 00 53700001b0 00 00 6d 01 00 00 00 00` 538 s = regexp.MustCompile(`[0-9a-f]{7}`).ReplaceAllString(s, "") 539 s = regexp.MustCompile(`\s+`).ReplaceAllString(s, "") 540 b, err := hex.DecodeString(s) 541 if err != nil { 542 panic(err) 543 } 544 return b 545} 546 547func returnRecursiveZip() (r io.ReaderAt, size int64) { 548 b := rZipBytes() 549 return bytes.NewReader(b), int64(len(b)) 550} 551 552// biggestZipBytes returns the bytes of a zip file biggest.zip 553// that contains a zip file bigger.zip that contains a zip file 554// big.zip that contains big.file, which contains 2³²-1 zeros. 555// The big.zip file is interesting because it has no zip64 header, 556// much like the innermost zip files in the well-known 42.zip. 557// 558// biggest.zip was generated by changing isZip64 to use > uint32max 559// instead of >= uint32max and then running this program: 560// 561// package main 562// 563// import ( 564// "archive/zip" 565// "bytes" 566// "io" 567// "io/ioutil" 568// "log" 569// ) 570// 571// type zeros struct{} 572// 573// func (zeros) Read(b []byte) (int, error) { 574// for i := range b { 575// b[i] = 0 576// } 577// return len(b), nil 578// } 579// 580// func main() { 581// bigZip := makeZip("big.file", io.LimitReader(zeros{}, 1<<32-1)) 582// if err := ioutil.WriteFile("/tmp/big.zip", bigZip, 0666); err != nil { 583// log.Fatal(err) 584// } 585// 586// biggerZip := makeZip("big.zip", bytes.NewReader(bigZip)) 587// if err := ioutil.WriteFile("/tmp/bigger.zip", biggerZip, 0666); err != nil { 588// log.Fatal(err) 589// } 590// 591// biggestZip := makeZip("bigger.zip", bytes.NewReader(biggerZip)) 592// if err := ioutil.WriteFile("/tmp/biggest.zip", biggestZip, 0666); err != nil { 593// log.Fatal(err) 594// } 595// } 596// 597// func makeZip(name string, r io.Reader) []byte { 598// var buf bytes.Buffer 599// w := zip.NewWriter(&buf) 600// wf, err := w.Create(name) 601// if err != nil { 602// log.Fatal(err) 603// } 604// if _, err = io.Copy(wf, r); err != nil { 605// log.Fatal(err) 606// } 607// if err := w.Close(); err != nil { 608// log.Fatal(err) 609// } 610// return buf.Bytes() 611// } 612// 613// The 4 GB of zeros compresses to 4 MB, which compresses to 20 kB, 614// which compresses to 1252 bytes (in the hex dump below). 615// 616// It's here in hex for the same reason as rZipBytes above: to avoid 617// problems with on-disk virus scanners or other zip processors. 618func biggestZipBytes() []byte { 619 s := ` 6200000000 50 4b 03 04 14 00 08 00 08 00 00 00 00 00 00 00 6210000010 00 00 00 00 00 00 00 00 00 00 0a 00 00 00 62 69 6220000020 67 67 65 72 2e 7a 69 70 ec dc 6b 4c 53 67 18 07 6230000030 f0 16 c5 ca 65 2e cb b8 94 20 61 1f 44 33 c7 cd 6240000040 c0 86 4a b5 c0 62 8a 61 05 c6 cd 91 b2 54 8c 1b 6250000050 63 8b 03 9c 1b 95 52 5a e3 a0 19 6c b2 05 59 44 6260000060 64 9d 73 83 71 11 46 61 14 b9 1d 14 09 4a c3 60 6270000070 2e 4c 6e a5 60 45 02 62 81 95 b6 94 9e 9e 77 e7 6280000080 d0 43 b6 f8 71 df 96 3c e7 a4 69 ce bf cf e9 79 6290000090 ce ef 79 3f bf f1 31 db b6 bb 31 76 92 e7 f3 07 63000000a0 8b fc 9c ca cc 08 cc cb cc 5e d2 1c 88 d9 7e bb 63100000b0 4f bb 3a 3f 75 f1 5d 7f 8f c2 68 67 77 8f 25 ff 63200000c0 84 e2 93 2d ef a4 95 3d 71 4e 2c b9 b0 87 c3 be 63300000d0 3d f8 a7 60 24 61 c5 ef ae 9e c8 6c 6d 4e 69 c8 63400000e0 67 65 34 f8 37 76 2d 76 5c 54 f3 95 65 49 c7 0f 63500000f0 18 71 4b 7e 5b 6a d1 79 47 61 41 b0 4e 2a 74 45 6360000100 43 58 12 b2 5a a5 c6 7d 68 55 88 d4 98 75 18 6d 6370000110 08 d1 1f 8f 5a 9e 96 ee 45 cf a4 84 4e 4b e8 50 6380000120 a7 13 d9 06 de 52 81 97 36 b2 d7 b8 fc 2b 5f 55 6390000130 23 1f 32 59 cf 30 27 fb e2 8a b9 de 45 dd 63 9c 6400000140 4b b5 8b 96 4c 7a 62 62 cc a1 a7 cf fa f1 fe dd 6410000150 54 62 11 bf 36 78 b3 c7 b1 b5 f2 61 4d 4e dd 66 6420000160 32 2e e6 70 34 5f f4 c9 e6 6c 43 6f da 6b c6 c3 6430000170 09 2c ce 09 57 7f d2 7e b4 23 ba 7c 1b 99 bc 22 6440000180 3e f1 de 91 2f e3 9c 1b 82 cc c2 84 39 aa e6 de 6450000190 b4 69 fc cc cb 72 a6 61 45 f0 d3 1d 26 19 7c 8d 64600001a0 29 c8 66 02 be 77 6a f9 3d 34 79 17 19 c8 96 24 64700001b0 a3 ac e4 dd 3b 1a 8e c6 fe 96 38 6b bf 67 5a 23 64800001c0 f4 16 f4 e6 8a b4 fc c2 cd bf 95 66 1d bb 35 aa 64900001d0 92 7d 66 d8 08 8d a5 1f 54 2a af 09 cf 61 ff d2 65000001e0 85 9d 8f b6 d7 88 07 4a 86 03 db 64 f3 d9 92 73 65100001f0 df ec a7 fc 23 4c 8d 83 79 63 2a d9 fd 8d b3 c8 6520000200 8f 7e d4 19 85 e6 8d 1c 76 f0 8b 58 32 fd 9a d6 6530000210 85 e2 48 ad c3 d5 60 6f 7e 22 dd ef 09 49 7c 7f 6540000220 3a 45 c3 71 b7 df f3 4c 63 fb b5 d9 31 5f 6e d6 6550000230 24 1d a4 4a fe 32 a7 5c 16 48 5c 3e 08 6b 8a d3 6560000240 25 1d a2 12 a5 59 24 ea 20 5f 52 6d ad 94 db 6b 6570000250 94 b9 5d eb 4b a7 5c 44 bb 1e f2 3c 6b cf 52 c9 6580000260 e9 e5 ba 06 b9 c4 e5 0a d0 00 0d d0 00 0d d0 00 6590000270 0d d0 00 0d d0 00 0d d0 00 0d d0 00 0d d0 00 0d 6600000280 d0 00 0d d0 00 0d d0 00 0d d0 00 0d d0 00 0d d0 6610000290 00 0d d0 00 0d d0 00 0d d0 00 0d d0 00 0d d0 00 66200002a0 0d d0 00 cd ff 9e 46 86 fa a7 7d 3a 43 d7 8e 10 66300002b0 52 e9 be e6 6e cf eb 9e 85 4d 65 ce cc 30 c1 44 66400002c0 c0 4e af bc 9c 6c 4b a0 d7 54 ff 1d d5 5c 89 fb 66500002d0 b5 34 7e c4 c2 9e f5 a0 f6 5b 7e 6e ca 73 c7 ef 66600002e0 5d be de f9 e8 81 eb a5 0a a5 63 54 2c d7 1c d1 66700002f0 89 17 85 f8 16 94 f2 8a b2 a3 f5 b6 6d df 75 cd 6680000300 90 dd 64 bd 5d 55 4e f2 55 19 1b b7 cc ef 1b ea 6690000310 2e 05 9c f4 aa 1e a8 cd a6 82 c7 59 0f 5e 9d e0 6700000320 bb fc 6c d6 99 23 eb 36 ad c6 c5 e1 d8 e1 e2 3e 6710000330 d9 90 5a f7 91 5d 6f bc 33 6d 98 47 d2 7c 2e 2f 6720000340 99 a4 25 72 85 49 2c be 0b 5b af 8f e5 6e 81 a6 6730000350 a3 5a 6f 39 53 3a ab 7a 8b 1e 26 f7 46 6c 7d 26 6740000360 53 b3 22 31 94 d3 83 f2 18 4d f5 92 33 27 53 97 6750000370 0f d3 e6 55 9c a6 c5 31 87 6f d3 f3 ae 39 6f 56 6760000380 10 7b ab 7e d0 b4 ca f2 b8 05 be 3f 0e 6e 5a 75 6770000390 ab 0c f5 37 0e ba 8e 75 71 7a aa ed 7a dd 6a 63 67800003a0 be 9b a0 97 27 6a 6f e7 d3 8b c4 7c ec d3 91 56 67900003b0 d9 ac 5e bf 16 42 2f 00 1f 93 a2 23 87 bd e2 59 68000003c0 a0 de 1a 66 c8 62 eb 55 8f 91 17 b4 61 42 7a 50 68100003d0 40 03 34 40 03 34 40 03 34 40 03 34 40 03 34 40 68200003e0 03 34 40 03 34 40 03 34 40 03 34 40 03 34 40 03 68300003f0 34 40 03 34 40 03 34 ff 85 86 90 8b ea 67 90 0d 6840000400 e1 42 1b d2 61 d6 79 ec fd 3e 44 28 a4 51 6c 5c 6850000410 fc d2 72 ca ba 82 18 46 16 61 cd 93 a9 0f d1 24 6860000420 17 99 e2 2c 71 16 84 0c c8 7a 13 0f 9a 5e c5 f0 6870000430 79 64 e2 12 4d c8 82 a1 81 19 2d aa 44 6d 87 54 6880000440 84 71 c1 f6 d4 ca 25 8c 77 b9 08 c7 c8 5e 10 8a 6890000450 8f 61 ed 8c ba 30 1f 79 9a c7 60 34 2b b9 8c f8 6900000460 18 a6 83 1b e3 9f ad 79 fe fd 1b 8b f1 fc 41 6f 6910000470 d4 13 1f e3 b8 83 ba 64 92 e7 eb e4 77 05 8f ba 6920000480 fa 3b 00 00 ff ff 50 4b 07 08 a6 18 b1 91 5e 04 6930000490 00 00 e4 47 00 00 50 4b 01 02 14 00 14 00 08 00 69400004a0 08 00 00 00 00 00 a6 18 b1 91 5e 04 00 00 e4 47 69500004b0 00 00 0a 00 00 00 00 00 00 00 00 00 00 00 00 00 69600004c0 00 00 00 00 62 69 67 67 65 72 2e 7a 69 70 50 4b 69700004d0 05 06 00 00 00 00 01 00 01 00 38 00 00 00 96 04 69800004e0 00 00 00 00` 699 s = regexp.MustCompile(`[0-9a-f]{7}`).ReplaceAllString(s, "") 700 s = regexp.MustCompile(`\s+`).ReplaceAllString(s, "") 701 b, err := hex.DecodeString(s) 702 if err != nil { 703 panic(err) 704 } 705 return b 706} 707 708func returnBigZipBytes() (r io.ReaderAt, size int64) { 709 b := biggestZipBytes() 710 for i := 0; i < 2; i++ { 711 r, err := NewReader(bytes.NewReader(b), int64(len(b))) 712 if err != nil { 713 panic(err) 714 } 715 f, err := r.File[0].Open() 716 if err != nil { 717 panic(err) 718 } 719 b, err = ioutil.ReadAll(f) 720 if err != nil { 721 panic(err) 722 } 723 } 724 return bytes.NewReader(b), int64(len(b)) 725} 726 727func TestIssue8186(t *testing.T) { 728 // Directory headers & data found in the TOC of a JAR file. 729 dirEnts := []string{ 730 "PK\x01\x02\n\x00\n\x00\x00\b\x00\x004\x9d3?\xaa\x1b\x06\xf0\x81\x02\x00\x00\x81\x02\x00\x00-\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00res/drawable-xhdpi-v4/ic_actionbar_accept.png\xfe\xca\x00\x00\x00", 731 "PK\x01\x02\n\x00\n\x00\x00\b\x00\x004\x9d3?\x90K\x89\xc7t\n\x00\x00t\n\x00\x00\x0e\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xd1\x02\x00\x00resources.arsc\x00\x00\x00", 732 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?\xff$\x18\xed3\x03\x00\x00\xb4\b\x00\x00\x13\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00t\r\x00\x00AndroidManifest.xml", 733 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?\x14\xc5K\xab\x192\x02\x00\xc8\xcd\x04\x00\v\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe8\x10\x00\x00classes.dex", 734 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?E\x96\nD\xac\x01\x00\x00P\x03\x00\x00&\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00:C\x02\x00res/layout/actionbar_set_wallpaper.xml", 735 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?Ļ\x14\xe3\xd8\x01\x00\x00\xd8\x03\x00\x00 \x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00:E\x02\x00res/layout/wallpaper_cropper.xml", 736 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?}\xc1\x15\x9eZ\x01\x00\x00!\x02\x00\x00\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00`G\x02\x00META-INF/MANIFEST.MF", 737 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?\xe6\x98Ьo\x01\x00\x00\x84\x02\x00\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xfcH\x02\x00META-INF/CERT.SF", 738 "PK\x01\x02\x14\x00\x14\x00\b\b\b\x004\x9d3?\xbfP\x96b\x86\x04\x00\x00\xb2\x06\x00\x00\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xa9J\x02\x00META-INF/CERT.RSA", 739 } 740 for i, s := range dirEnts { 741 var f File 742 err := readDirectoryHeader(&f, strings.NewReader(s)) 743 if err != nil { 744 t.Errorf("error reading #%d: %v", i, err) 745 } 746 } 747} 748 749// Verify we return ErrUnexpectedEOF when length is short. 750func TestIssue10957(t *testing.T) { 751 data := []byte("PK\x03\x040000000PK\x01\x0200000" + 752 "0000000000000000000\x00" + 753 "\x00\x00\x00\x00\x00000000000000PK\x01" + 754 "\x020000000000000000000" + 755 "00000\v\x00\x00\x00\x00\x00000000000" + 756 "00000000000000PK\x01\x0200" + 757 "00000000000000000000" + 758 "00\v\x00\x00\x00\x00\x00000000000000" + 759 "00000000000PK\x01\x020000<" + 760 "0\x00\x0000000000000000\v\x00\v" + 761 "\x00\x00\x00\x00\x0000000000\x00\x00\x00\x00000" + 762 "00000000PK\x01\x0200000000" + 763 "0000000000000000\v\x00\x00\x00" + 764 "\x00\x0000PK\x05\x06000000\x05\x000000" + 765 "\v\x00\x00\x00\x00\x00") 766 z, err := NewReader(bytes.NewReader(data), int64(len(data))) 767 if err != nil { 768 t.Fatal(err) 769 } 770 for i, f := range z.File { 771 r, err := f.Open() 772 if err != nil { 773 continue 774 } 775 if f.UncompressedSize64 < 1e6 { 776 n, err := io.Copy(ioutil.Discard, r) 777 if i == 3 && err != io.ErrUnexpectedEOF { 778 t.Errorf("File[3] error = %v; want io.ErrUnexpectedEOF", err) 779 } 780 if err == nil && uint64(n) != f.UncompressedSize64 { 781 t.Errorf("file %d: bad size: copied=%d; want=%d", i, n, f.UncompressedSize64) 782 } 783 } 784 r.Close() 785 } 786} 787 788// Verify the number of files is within expected bounds 789func TestIssue10956(t *testing.T) { 790 data := []byte("PK\x06\x06PK\x06\a0000\x00\x00\x00\x00\x00\x00\x00\x00" + 791 "0000PK\x05\x06000000000000" + 792 "0000\v\x00000\x00\x00\x00\x00\x00\x00\x000") 793 _, err := NewReader(bytes.NewReader(data), int64(len(data))) 794 const want = "TOC declares impossible 3472328296227680304 files in 57 byte" 795 if err == nil && !strings.Contains(err.Error(), want) { 796 t.Errorf("error = %v; want %q", err, want) 797 } 798} 799 800// Verify we return ErrUnexpectedEOF when reading truncated data descriptor. 801func TestIssue11146(t *testing.T) { 802 data := []byte("PK\x03\x040000000000000000" + 803 "000000\x01\x00\x00\x000\x01\x00\x00\xff\xff0000" + 804 "0000000000000000PK\x01\x02" + 805 "0000\b0\b\x00000000000000" + 806 "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x000000PK\x05\x06\x00\x00" + 807 "\x00\x0000\x01\x0000008\x00\x00\x00\x00\x00") 808 z, err := NewReader(bytes.NewReader(data), int64(len(data))) 809 if err != nil { 810 t.Fatal(err) 811 } 812 r, err := z.File[0].Open() 813 if err != nil { 814 t.Fatal(err) 815 } 816 _, err = ioutil.ReadAll(r) 817 if err != io.ErrUnexpectedEOF { 818 t.Errorf("File[0] error = %v; want io.ErrUnexpectedEOF", err) 819 } 820 r.Close() 821} 822 823// Verify we do not treat non-zip64 archives as zip64 824func TestIssue12449(t *testing.T) { 825 data := []byte{ 826 0x50, 0x4b, 0x03, 0x04, 0x14, 0x00, 0x08, 0x00, 827 0x00, 0x00, 0x6b, 0xb4, 0xba, 0x46, 0x00, 0x00, 828 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 829 0x00, 0x00, 0x03, 0x00, 0x18, 0x00, 0xca, 0x64, 830 0x55, 0x75, 0x78, 0x0b, 0x00, 0x50, 0x4b, 0x05, 831 0x06, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 832 0x00, 0x49, 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 833 0x00, 0x31, 0x31, 0x31, 0x32, 0x32, 0x32, 0x0a, 834 0x50, 0x4b, 0x07, 0x08, 0x1d, 0x88, 0x77, 0xb0, 835 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 836 0x50, 0x4b, 0x01, 0x02, 0x14, 0x03, 0x14, 0x00, 837 0x08, 0x00, 0x00, 0x00, 0x6b, 0xb4, 0xba, 0x46, 838 0x1d, 0x88, 0x77, 0xb0, 0x07, 0x00, 0x00, 0x00, 839 0x07, 0x00, 0x00, 0x00, 0x03, 0x00, 0x18, 0x00, 840 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 841 0xa0, 0x81, 0x00, 0x00, 0x00, 0x00, 0xca, 0x64, 842 0x55, 0x75, 0x78, 0x0b, 0x00, 0x50, 0x4b, 0x05, 843 0x06, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x01, 844 0x00, 0x49, 0x00, 0x00, 0x00, 0x44, 0x00, 0x00, 845 0x00, 0x97, 0x2b, 0x49, 0x23, 0x05, 0xc5, 0x0b, 846 0xa7, 0xd1, 0x52, 0xa2, 0x9c, 0x50, 0x4b, 0x06, 847 0x07, 0xc8, 0x19, 0xc1, 0xaf, 0x94, 0x9c, 0x61, 848 0x44, 0xbe, 0x94, 0x19, 0x42, 0x58, 0x12, 0xc6, 849 0x5b, 0x50, 0x4b, 0x05, 0x06, 0x00, 0x00, 0x00, 850 0x00, 0x01, 0x00, 0x01, 0x00, 0x69, 0x00, 0x00, 851 0x00, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 852 } 853 // Read in the archive. 854 _, err := NewReader(bytes.NewReader([]byte(data)), int64(len(data))) 855 if err != nil { 856 t.Errorf("Error reading the archive: %v", err) 857 } 858} 859
