1 /* 7zMain.c - Test application for 7z Decoder
2 2016-05-16 : Igor Pavlov : Public domain */
3
4 #include "Precomp.h"
5
6 #include <stdio.h>
7 #include <string.h>
8
9 #include "../../7z.h"
10 #include "../../7zAlloc.h"
11 #include "../../7zBuf.h"
12 #include "../../7zCrc.h"
13 #include "../../7zFile.h"
14 #include "../../7zVersion.h"
15
16 #ifndef USE_WINDOWS_FILE
17 /* for mkdir */
18 #ifdef _WIN32
19 #include <direct.h>
20 #else
21 #include <sys/stat.h>
22 #include <errno.h>
23 #endif
24 #endif
25
26 static ISzAlloc g_Alloc = { SzAlloc, SzFree };
27
Buf_EnsureSize(CBuf * dest,size_t size)28 static int Buf_EnsureSize(CBuf *dest, size_t size)
29 {
30 if (dest->size >= size)
31 return 1;
32 Buf_Free(dest, &g_Alloc);
33 return Buf_Create(dest, size, &g_Alloc);
34 }
35
36 #ifndef _WIN32
37 #define _USE_UTF8
38 #endif
39
40 /* #define _USE_UTF8 */
41
42 #ifdef _USE_UTF8
43
44 #define _UTF8_START(n) (0x100 - (1 << (7 - (n))))
45
46 #define _UTF8_RANGE(n) (((UInt32)1) << ((n) * 5 + 6))
47
48 #define _UTF8_HEAD(n, val) ((Byte)(_UTF8_START(n) + (val >> (6 * (n)))))
49 #define _UTF8_CHAR(n, val) ((Byte)(0x80 + (((val) >> (6 * (n))) & 0x3F)))
50
Utf16_To_Utf8_Calc(const UInt16 * src,const UInt16 * srcLim)51 static size_t Utf16_To_Utf8_Calc(const UInt16 *src, const UInt16 *srcLim)
52 {
53 size_t size = 0;
54 for (;;)
55 {
56 UInt32 val;
57 if (src == srcLim)
58 return size;
59
60 size++;
61 val = *src++;
62
63 if (val < 0x80)
64 continue;
65
66 if (val < _UTF8_RANGE(1))
67 {
68 size++;
69 continue;
70 }
71
72 if (val >= 0xD800 && val < 0xDC00 && src != srcLim)
73 {
74 UInt32 c2 = *src;
75 if (c2 >= 0xDC00 && c2 < 0xE000)
76 {
77 src++;
78 size += 3;
79 continue;
80 }
81 }
82
83 size += 2;
84 }
85 }
86
Utf16_To_Utf8(Byte * dest,const UInt16 * src,const UInt16 * srcLim)87 static Byte *Utf16_To_Utf8(Byte *dest, const UInt16 *src, const UInt16 *srcLim)
88 {
89 for (;;)
90 {
91 UInt32 val;
92 if (src == srcLim)
93 return dest;
94
95 val = *src++;
96
97 if (val < 0x80)
98 {
99 *dest++ = (char)val;
100 continue;
101 }
102
103 if (val < _UTF8_RANGE(1))
104 {
105 dest[0] = _UTF8_HEAD(1, val);
106 dest[1] = _UTF8_CHAR(0, val);
107 dest += 2;
108 continue;
109 }
110
111 if (val >= 0xD800 && val < 0xDC00 && src != srcLim)
112 {
113 UInt32 c2 = *src;
114 if (c2 >= 0xDC00 && c2 < 0xE000)
115 {
116 src++;
117 val = (((val - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
118 dest[0] = _UTF8_HEAD(3, val);
119 dest[1] = _UTF8_CHAR(2, val);
120 dest[2] = _UTF8_CHAR(1, val);
121 dest[3] = _UTF8_CHAR(0, val);
122 dest += 4;
123 continue;
124 }
125 }
126
127 dest[0] = _UTF8_HEAD(2, val);
128 dest[1] = _UTF8_CHAR(1, val);
129 dest[2] = _UTF8_CHAR(0, val);
130 dest += 3;
131 }
132 }
133
Utf16_To_Utf8Buf(CBuf * dest,const UInt16 * src,size_t srcLen)134 static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
135 {
136 size_t destLen = Utf16_To_Utf8_Calc(src, src + srcLen);
137 destLen += 1;
138 if (!Buf_EnsureSize(dest, destLen))
139 return SZ_ERROR_MEM;
140 *Utf16_To_Utf8(dest->data, src, src + srcLen) = 0;
141 return SZ_OK;
142 }
143
144 #endif
145
Utf16_To_Char(CBuf * buf,const UInt16 * s,UINT codePage)146 static SRes Utf16_To_Char(CBuf *buf, const UInt16 *s
147 #ifndef _USE_UTF8
148 , UINT codePage
149 #endif
150 )
151 {
152 unsigned len = 0;
153 for (len = 0; s[len] != 0; len++);
154
155 #ifndef _USE_UTF8
156 {
157 unsigned size = len * 3 + 100;
158 if (!Buf_EnsureSize(buf, size))
159 return SZ_ERROR_MEM;
160 {
161 buf->data[0] = 0;
162 if (len != 0)
163 {
164 char defaultChar = '_';
165 BOOL defUsed;
166 unsigned numChars = 0;
167 numChars = WideCharToMultiByte(codePage, 0, s, len, (char *)buf->data, size, &defaultChar, &defUsed);
168 if (numChars == 0 || numChars >= size)
169 return SZ_ERROR_FAIL;
170 buf->data[numChars] = 0;
171 }
172 return SZ_OK;
173 }
174 }
175 #else
176 return Utf16_To_Utf8Buf(buf, s, len);
177 #endif
178 }
179
180 #ifdef _WIN32
181 #ifndef USE_WINDOWS_FILE
182 static UINT g_FileCodePage = CP_ACP;
183 #endif
184 #define MY_FILE_CODE_PAGE_PARAM ,g_FileCodePage
185 #else
186 #define MY_FILE_CODE_PAGE_PARAM
187 #endif
188
MyCreateDir(const UInt16 * name)189 static WRes MyCreateDir(const UInt16 *name)
190 {
191 #ifdef USE_WINDOWS_FILE
192
193 return CreateDirectoryW(name, NULL) ? 0 : GetLastError();
194
195 #else
196
197 CBuf buf;
198 WRes res;
199 Buf_Init(&buf);
200 RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
201
202 res =
203 #ifdef _WIN32
204 _mkdir((const char *)buf.data)
205 #else
206 mkdir((const char *)buf.data, 0777)
207 #endif
208 == 0 ? 0 : errno;
209 Buf_Free(&buf, &g_Alloc);
210 return res;
211
212 #endif
213 }
214
OutFile_OpenUtf16(CSzFile * p,const UInt16 * name)215 static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
216 {
217 #ifdef USE_WINDOWS_FILE
218 return OutFile_OpenW(p, name);
219 #else
220 CBuf buf;
221 WRes res;
222 Buf_Init(&buf);
223 RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
224 res = OutFile_Open(p, (const char *)buf.data);
225 Buf_Free(&buf, &g_Alloc);
226 return res;
227 #endif
228 }
229
PrintString(const UInt16 * s)230 static SRes PrintString(const UInt16 *s)
231 {
232 CBuf buf;
233 SRes res;
234 Buf_Init(&buf);
235 res = Utf16_To_Char(&buf, s
236 #ifndef _USE_UTF8
237 , CP_OEMCP
238 #endif
239 );
240 if (res == SZ_OK)
241 fputs((const char *)buf.data, stdout);
242 Buf_Free(&buf, &g_Alloc);
243 return res;
244 }
245
UInt64ToStr(UInt64 value,char * s)246 static void UInt64ToStr(UInt64 value, char *s)
247 {
248 char temp[32];
249 int pos = 0;
250 do
251 {
252 temp[pos++] = (char)('0' + (unsigned)(value % 10));
253 value /= 10;
254 }
255 while (value != 0);
256 do
257 *s++ = temp[--pos];
258 while (pos);
259 *s = '\0';
260 }
261
UIntToStr(char * s,unsigned value,int numDigits)262 static char *UIntToStr(char *s, unsigned value, int numDigits)
263 {
264 char temp[16];
265 int pos = 0;
266 do
267 temp[pos++] = (char)('0' + (value % 10));
268 while (value /= 10);
269 for (numDigits -= pos; numDigits > 0; numDigits--)
270 *s++ = '0';
271 do
272 *s++ = temp[--pos];
273 while (pos);
274 *s = '\0';
275 return s;
276 }
277
UIntToStr_2(char * s,unsigned value)278 static void UIntToStr_2(char *s, unsigned value)
279 {
280 s[0] = (char)('0' + (value / 10));
281 s[1] = (char)('0' + (value % 10));
282 }
283
284 #define PERIOD_4 (4 * 365 + 1)
285 #define PERIOD_100 (PERIOD_4 * 25 - 1)
286 #define PERIOD_400 (PERIOD_100 * 4 + 1)
287
ConvertFileTimeToString(const CNtfsFileTime * nt,char * s)288 static void ConvertFileTimeToString(const CNtfsFileTime *nt, char *s)
289 {
290 unsigned year, mon, hour, min, sec;
291 Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
292 unsigned t;
293 UInt32 v;
294 UInt64 v64 = nt->Low | ((UInt64)nt->High << 32);
295 v64 /= 10000000;
296 sec = (unsigned)(v64 % 60); v64 /= 60;
297 min = (unsigned)(v64 % 60); v64 /= 60;
298 hour = (unsigned)(v64 % 24); v64 /= 24;
299
300 v = (UInt32)v64;
301
302 year = (unsigned)(1601 + v / PERIOD_400 * 400);
303 v %= PERIOD_400;
304
305 t = v / PERIOD_100; if (t == 4) t = 3; year += t * 100; v -= t * PERIOD_100;
306 t = v / PERIOD_4; if (t == 25) t = 24; year += t * 4; v -= t * PERIOD_4;
307 t = v / 365; if (t == 4) t = 3; year += t; v -= t * 365;
308
309 if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
310 ms[1] = 29;
311 for (mon = 0;; mon++)
312 {
313 unsigned d = ms[mon];
314 if (v < d)
315 break;
316 v -= d;
317 }
318 s = UIntToStr(s, year, 4); *s++ = '-';
319 UIntToStr_2(s, mon + 1); s[2] = '-'; s += 3;
320 UIntToStr_2(s, (unsigned)v + 1); s[2] = ' '; s += 3;
321 UIntToStr_2(s, hour); s[2] = ':'; s += 3;
322 UIntToStr_2(s, min); s[2] = ':'; s += 3;
323 UIntToStr_2(s, sec); s[2] = 0;
324 }
325
PrintError(char * sz)326 void PrintError(char *sz)
327 {
328 printf("\nERROR: %s\n", sz);
329 }
330
GetAttribString(UInt32 wa,Bool isDir,char * s)331 static void GetAttribString(UInt32 wa, Bool isDir, char *s)
332 {
333 #ifdef USE_WINDOWS_FILE
334 s[0] = (char)(((wa & FILE_ATTRIBUTE_DIRECTORY) != 0 || isDir) ? 'D' : '.');
335 s[1] = (char)(((wa & FILE_ATTRIBUTE_READONLY ) != 0) ? 'R': '.');
336 s[2] = (char)(((wa & FILE_ATTRIBUTE_HIDDEN ) != 0) ? 'H': '.');
337 s[3] = (char)(((wa & FILE_ATTRIBUTE_SYSTEM ) != 0) ? 'S': '.');
338 s[4] = (char)(((wa & FILE_ATTRIBUTE_ARCHIVE ) != 0) ? 'A': '.');
339 s[5] = 0;
340 #else
341 s[0] = (char)(((wa & (1 << 4)) != 0 || isDir) ? 'D' : '.');
342 s[1] = 0;
343 #endif
344 }
345
346 // #define NUM_PARENTS_MAX 128
347
main(int numargs,char * args[])348 int MY_CDECL main(int numargs, char *args[])
349 {
350 CFileInStream archiveStream;
351 CLookToRead lookStream;
352 CSzArEx db;
353 SRes res;
354 ISzAlloc allocImp;
355 ISzAlloc allocTempImp;
356 UInt16 *temp = NULL;
357 size_t tempSize = 0;
358 // UInt32 parents[NUM_PARENTS_MAX];
359
360 printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n");
361
362 if (numargs == 1)
363 {
364 printf(
365 "Usage: 7zDec <command> <archive_name>\n\n"
366 "<Commands>\n"
367 " e: Extract files from archive (without using directory names)\n"
368 " l: List contents of archive\n"
369 " t: Test integrity of archive\n"
370 " x: eXtract files with full paths\n");
371 return 0;
372 }
373
374 if (numargs < 3)
375 {
376 PrintError("incorrect command");
377 return 1;
378 }
379
380 #if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE)
381 g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
382 #endif
383
384 allocImp.Alloc = SzAlloc;
385 allocImp.Free = SzFree;
386
387 allocTempImp.Alloc = SzAllocTemp;
388 allocTempImp.Free = SzFreeTemp;
389
390 #ifdef UNDER_CE
391 if (InFile_OpenW(&archiveStream.file, L"\test.7z"))
392 #else
393 if (InFile_Open(&archiveStream.file, args[2]))
394 #endif
395 {
396 PrintError("can not open input file");
397 return 1;
398 }
399
400 FileInStream_CreateVTable(&archiveStream);
401 LookToRead_CreateVTable(&lookStream, False);
402
403 lookStream.realStream = &archiveStream.s;
404 LookToRead_Init(&lookStream);
405
406 CrcGenerateTable();
407
408 SzArEx_Init(&db);
409
410 res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
411
412 if (res == SZ_OK)
413 {
414 char *command = args[1];
415 int listCommand = 0, testCommand = 0, fullPaths = 0;
416
417 if (strcmp(command, "l") == 0) listCommand = 1;
418 else if (strcmp(command, "t") == 0) testCommand = 1;
419 else if (strcmp(command, "e") == 0) { }
420 else if (strcmp(command, "x") == 0) { fullPaths = 1; }
421 else
422 {
423 PrintError("incorrect command");
424 res = SZ_ERROR_FAIL;
425 }
426
427 if (res == SZ_OK)
428 {
429 UInt32 i;
430
431 /*
432 if you need cache, use these 3 variables.
433 if you use external function, you can make these variable as static.
434 */
435 UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
436 Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
437 size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
438
439 for (i = 0; i < db.NumFiles; i++)
440 {
441 size_t offset = 0;
442 size_t outSizeProcessed = 0;
443 // const CSzFileItem *f = db.Files + i;
444 size_t len;
445 unsigned isDir = SzArEx_IsDir(&db, i);
446 if (listCommand == 0 && isDir && !fullPaths)
447 continue;
448 len = SzArEx_GetFileNameUtf16(&db, i, NULL);
449 // len = SzArEx_GetFullNameLen(&db, i);
450
451 if (len > tempSize)
452 {
453 SzFree(NULL, temp);
454 tempSize = len;
455 temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
456 if (!temp)
457 {
458 res = SZ_ERROR_MEM;
459 break;
460 }
461 }
462
463 SzArEx_GetFileNameUtf16(&db, i, temp);
464 /*
465 if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp)
466 {
467 res = SZ_ERROR_FAIL;
468 break;
469 }
470 */
471
472 if (listCommand)
473 {
474 char attr[8], s[32], t[32];
475 UInt64 fileSize;
476
477 GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr);
478
479 fileSize = SzArEx_GetFileSize(&db, i);
480 UInt64ToStr(fileSize, s);
481
482 if (SzBitWithVals_Check(&db.MTime, i))
483 ConvertFileTimeToString(&db.MTime.Vals[i], t);
484 else
485 {
486 size_t j;
487 for (j = 0; j < 19; j++)
488 t[j] = ' ';
489 t[j] = '\0';
490 }
491
492 printf("%s %s %10s ", t, attr, s);
493 res = PrintString(temp);
494 if (res != SZ_OK)
495 break;
496 if (isDir)
497 printf("/");
498 printf("\n");
499 continue;
500 }
501
502 fputs(testCommand ?
503 "Testing ":
504 "Extracting ",
505 stdout);
506 res = PrintString(temp);
507 if (res != SZ_OK)
508 break;
509
510 if (isDir)
511 printf("/");
512 else
513 {
514 res = SzArEx_Extract(&db, &lookStream.s, i,
515 &blockIndex, &outBuffer, &outBufferSize,
516 &offset, &outSizeProcessed,
517 &allocImp, &allocTempImp);
518 if (res != SZ_OK)
519 break;
520 }
521
522 if (!testCommand)
523 {
524 CSzFile outFile;
525 size_t processedSize;
526 size_t j;
527 UInt16 *name = (UInt16 *)temp;
528 const UInt16 *destPath = (const UInt16 *)name;
529
530 for (j = 0; name[j] != 0; j++)
531 if (name[j] == '/')
532 {
533 if (fullPaths)
534 {
535 name[j] = 0;
536 MyCreateDir(name);
537 name[j] = CHAR_PATH_SEPARATOR;
538 }
539 else
540 destPath = name + j + 1;
541 }
542
543 if (isDir)
544 {
545 MyCreateDir(destPath);
546 printf("\n");
547 continue;
548 }
549 else if (OutFile_OpenUtf16(&outFile, destPath))
550 {
551 PrintError("can not open output file");
552 res = SZ_ERROR_FAIL;
553 break;
554 }
555
556 processedSize = outSizeProcessed;
557
558 if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed)
559 {
560 PrintError("can not write output file");
561 res = SZ_ERROR_FAIL;
562 break;
563 }
564
565 if (File_Close(&outFile))
566 {
567 PrintError("can not close output file");
568 res = SZ_ERROR_FAIL;
569 break;
570 }
571
572 #ifdef USE_WINDOWS_FILE
573 if (SzBitWithVals_Check(&db.Attribs, i))
574 SetFileAttributesW(destPath, db.Attribs.Vals[i]);
575 #endif
576 }
577 printf("\n");
578 }
579 IAlloc_Free(&allocImp, outBuffer);
580 }
581 }
582
583 SzArEx_Free(&db, &allocImp);
584 SzFree(NULL, temp);
585
586 File_Close(&archiveStream.file);
587
588 if (res == SZ_OK)
589 {
590 printf("\nEverything is Ok\n");
591 return 0;
592 }
593
594 if (res == SZ_ERROR_UNSUPPORTED)
595 PrintError("decoder doesn't support this archive");
596 else if (res == SZ_ERROR_MEM)
597 PrintError("can not allocate memory");
598 else if (res == SZ_ERROR_CRC)
599 PrintError("CRC error");
600 else
601 printf("\nERROR #%d\n", res);
602
603 return 1;
604 }
605