1 /* 7zMain.c - Test application for 7z Decoder
2 2015-01-02 : 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
38 static Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
39
Utf16_To_Utf8(Byte * dest,size_t * destLen,const UInt16 * src,size_t srcLen)40 static Bool Utf16_To_Utf8(Byte *dest, size_t *destLen, const UInt16 *src, size_t srcLen)
41 {
42 size_t destPos = 0, srcPos = 0;
43 for (;;)
44 {
45 unsigned numAdds;
46 UInt32 value;
47 if (srcPos == srcLen)
48 {
49 *destLen = destPos;
50 return True;
51 }
52 value = src[srcPos++];
53 if (value < 0x80)
54 {
55 if (dest)
56 dest[destPos] = (char)value;
57 destPos++;
58 continue;
59 }
60 if (value >= 0xD800 && value < 0xE000)
61 {
62 UInt32 c2;
63 if (value >= 0xDC00 || srcPos == srcLen)
64 break;
65 c2 = src[srcPos++];
66 if (c2 < 0xDC00 || c2 >= 0xE000)
67 break;
68 value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
69 }
70 for (numAdds = 1; numAdds < 5; numAdds++)
71 if (value < (((UInt32)1) << (numAdds * 5 + 6)))
72 break;
73 if (dest)
74 dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds)));
75 destPos++;
76 do
77 {
78 numAdds--;
79 if (dest)
80 dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F));
81 destPos++;
82 }
83 while (numAdds != 0);
84 }
85 *destLen = destPos;
86 return False;
87 }
88
Utf16_To_Utf8Buf(CBuf * dest,const UInt16 * src,size_t srcLen)89 static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
90 {
91 size_t destLen = 0;
92 Bool res;
93 Utf16_To_Utf8(NULL, &destLen, src, srcLen);
94 destLen += 1;
95 if (!Buf_EnsureSize(dest, destLen))
96 return SZ_ERROR_MEM;
97 res = Utf16_To_Utf8(dest->data, &destLen, src, srcLen);
98 dest->data[destLen] = 0;
99 return res ? SZ_OK : SZ_ERROR_FAIL;
100 }
101
102 #endif
103
Utf16_To_Char(CBuf * buf,const UInt16 * s,UINT codePage)104 static SRes Utf16_To_Char(CBuf *buf, const UInt16 *s
105 #ifdef _WIN32
106 , UINT codePage
107 #endif
108 )
109 {
110 unsigned len = 0;
111 for (len = 0; s[len] != 0; len++);
112
113 #ifdef _WIN32
114 {
115 unsigned size = len * 3 + 100;
116 if (!Buf_EnsureSize(buf, size))
117 return SZ_ERROR_MEM;
118 {
119 buf->data[0] = 0;
120 if (len != 0)
121 {
122 char defaultChar = '_';
123 BOOL defUsed;
124 unsigned numChars = 0;
125 numChars = WideCharToMultiByte(codePage, 0, s, len, (char *)buf->data, size, &defaultChar, &defUsed);
126 if (numChars == 0 || numChars >= size)
127 return SZ_ERROR_FAIL;
128 buf->data[numChars] = 0;
129 }
130 return SZ_OK;
131 }
132 }
133 #else
134 return Utf16_To_Utf8Buf(buf, s, len);
135 #endif
136 }
137
138 #ifdef _WIN32
139 #ifndef USE_WINDOWS_FILE
140 static UINT g_FileCodePage = CP_ACP;
141 #endif
142 #define MY_FILE_CODE_PAGE_PARAM ,g_FileCodePage
143 #else
144 #define MY_FILE_CODE_PAGE_PARAM
145 #endif
146
MyCreateDir(const UInt16 * name)147 static WRes MyCreateDir(const UInt16 *name)
148 {
149 #ifdef USE_WINDOWS_FILE
150
151 return CreateDirectoryW(name, NULL) ? 0 : GetLastError();
152
153 #else
154
155 CBuf buf;
156 WRes res;
157 Buf_Init(&buf);
158 RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
159
160 res =
161 #ifdef _WIN32
162 _mkdir((const char *)buf.data)
163 #else
164 mkdir((const char *)buf.data, 0777)
165 #endif
166 == 0 ? 0 : errno;
167 Buf_Free(&buf, &g_Alloc);
168 return res;
169
170 #endif
171 }
172
OutFile_OpenUtf16(CSzFile * p,const UInt16 * name)173 static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
174 {
175 #ifdef USE_WINDOWS_FILE
176 return OutFile_OpenW(p, name);
177 #else
178 CBuf buf;
179 WRes res;
180 Buf_Init(&buf);
181 RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
182 res = OutFile_Open(p, (const char *)buf.data);
183 Buf_Free(&buf, &g_Alloc);
184 return res;
185 #endif
186 }
187
PrintString(const UInt16 * s)188 static SRes PrintString(const UInt16 *s)
189 {
190 CBuf buf;
191 SRes res;
192 Buf_Init(&buf);
193 res = Utf16_To_Char(&buf, s
194 #ifdef _WIN32
195 , CP_OEMCP
196 #endif
197 );
198 if (res == SZ_OK)
199 fputs((const char *)buf.data, stdout);
200 Buf_Free(&buf, &g_Alloc);
201 return res;
202 }
203
UInt64ToStr(UInt64 value,char * s)204 static void UInt64ToStr(UInt64 value, char *s)
205 {
206 char temp[32];
207 int pos = 0;
208 do
209 {
210 temp[pos++] = (char)('0' + (unsigned)(value % 10));
211 value /= 10;
212 }
213 while (value != 0);
214 do
215 *s++ = temp[--pos];
216 while (pos);
217 *s = '\0';
218 }
219
UIntToStr(char * s,unsigned value,int numDigits)220 static char *UIntToStr(char *s, unsigned value, int numDigits)
221 {
222 char temp[16];
223 int pos = 0;
224 do
225 temp[pos++] = (char)('0' + (value % 10));
226 while (value /= 10);
227 for (numDigits -= pos; numDigits > 0; numDigits--)
228 *s++ = '0';
229 do
230 *s++ = temp[--pos];
231 while (pos);
232 *s = '\0';
233 return s;
234 }
235
UIntToStr_2(char * s,unsigned value)236 static void UIntToStr_2(char *s, unsigned value)
237 {
238 s[0] = (char)('0' + (value / 10));
239 s[1] = (char)('0' + (value % 10));
240 }
241
242 #define PERIOD_4 (4 * 365 + 1)
243 #define PERIOD_100 (PERIOD_4 * 25 - 1)
244 #define PERIOD_400 (PERIOD_100 * 4 + 1)
245
ConvertFileTimeToString(const CNtfsFileTime * nt,char * s)246 static void ConvertFileTimeToString(const CNtfsFileTime *nt, char *s)
247 {
248 unsigned year, mon, hour, min, sec;
249 Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
250 unsigned t;
251 UInt32 v;
252 UInt64 v64 = nt->Low | ((UInt64)nt->High << 32);
253 v64 /= 10000000;
254 sec = (unsigned)(v64 % 60); v64 /= 60;
255 min = (unsigned)(v64 % 60); v64 /= 60;
256 hour = (unsigned)(v64 % 24); v64 /= 24;
257
258 v = (UInt32)v64;
259
260 year = (unsigned)(1601 + v / PERIOD_400 * 400);
261 v %= PERIOD_400;
262
263 t = v / PERIOD_100; if (t == 4) t = 3; year += t * 100; v -= t * PERIOD_100;
264 t = v / PERIOD_4; if (t == 25) t = 24; year += t * 4; v -= t * PERIOD_4;
265 t = v / 365; if (t == 4) t = 3; year += t; v -= t * 365;
266
267 if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
268 ms[1] = 29;
269 for (mon = 0;; mon++)
270 {
271 unsigned s = ms[mon];
272 if (v < s)
273 break;
274 v -= s;
275 }
276 s = UIntToStr(s, year, 4); *s++ = '-';
277 UIntToStr_2(s, mon + 1); s[2] = '-'; s += 3;
278 UIntToStr_2(s, (unsigned)v + 1); s[2] = ' '; s += 3;
279 UIntToStr_2(s, hour); s[2] = ':'; s += 3;
280 UIntToStr_2(s, min); s[2] = ':'; s += 3;
281 UIntToStr_2(s, sec); s[2] = 0;
282 }
283
PrintError(const char * sz)284 void PrintError(const char *sz)
285 {
286 printf("\nERROR: %s\n", sz);
287 }
288
289 #ifdef USE_WINDOWS_FILE
GetAttribString(UInt32 wa,Bool isDir,char * s)290 static void GetAttribString(UInt32 wa, Bool isDir, char *s)
291 {
292 s[0] = (char)(((wa & FILE_ATTRIBUTE_DIRECTORY) != 0 || isDir) ? 'D' : '.');
293 s[1] = (char)(((wa & FILE_ATTRIBUTE_READONLY ) != 0) ? 'R': '.');
294 s[2] = (char)(((wa & FILE_ATTRIBUTE_HIDDEN ) != 0) ? 'H': '.');
295 s[3] = (char)(((wa & FILE_ATTRIBUTE_SYSTEM ) != 0) ? 'S': '.');
296 s[4] = (char)(((wa & FILE_ATTRIBUTE_ARCHIVE ) != 0) ? 'A': '.');
297 s[5] = '\0';
298 }
299 #else
GetAttribString(UInt32,Bool,char * s)300 static void GetAttribString(UInt32, Bool, char *s)
301 {
302 s[0] = '\0';
303 }
304 #endif
305
306 // #define NUM_PARENTS_MAX 128
307
main(int numargs,char * args[])308 int MY_CDECL main(int numargs, char *args[])
309 {
310 CFileInStream archiveStream;
311 CLookToRead lookStream;
312 CSzArEx db;
313 SRes res;
314 ISzAlloc allocImp;
315 ISzAlloc allocTempImp;
316 UInt16 *temp = NULL;
317 size_t tempSize = 0;
318 // UInt32 parents[NUM_PARENTS_MAX];
319
320 printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n");
321 if (numargs == 1)
322 {
323 printf(
324 "Usage: 7zDec <command> <archive_name>\n\n"
325 "<Commands>\n"
326 " e: Extract files from archive (without using directory names)\n"
327 " l: List contents of archive\n"
328 " t: Test integrity of archive\n"
329 " x: eXtract files with full paths\n");
330 return 0;
331 }
332 if (numargs < 3)
333 {
334 PrintError("incorrect command");
335 return 1;
336 }
337
338 #if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE)
339 g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP;
340 #endif
341
342 allocImp.Alloc = SzAlloc;
343 allocImp.Free = SzFree;
344
345 allocTempImp.Alloc = SzAllocTemp;
346 allocTempImp.Free = SzFreeTemp;
347
348 #ifdef UNDER_CE
349 if (InFile_OpenW(&archiveStream.file, L"\test.7z"))
350 #else
351 if (InFile_Open(&archiveStream.file, args[2]))
352 #endif
353 {
354 PrintError("can not open input file");
355 return 1;
356 }
357
358 FileInStream_CreateVTable(&archiveStream);
359 LookToRead_CreateVTable(&lookStream, False);
360
361 lookStream.realStream = &archiveStream.s;
362 LookToRead_Init(&lookStream);
363
364 CrcGenerateTable();
365
366 SzArEx_Init(&db);
367 res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
368 if (res == SZ_OK)
369 {
370 char *command = args[1];
371 int listCommand = 0, testCommand = 0, fullPaths = 0;
372 if (strcmp(command, "l") == 0) listCommand = 1;
373 else if (strcmp(command, "t") == 0) testCommand = 1;
374 else if (strcmp(command, "e") == 0) { }
375 else if (strcmp(command, "x") == 0) { fullPaths = 1; }
376 else
377 {
378 PrintError("incorrect command");
379 res = SZ_ERROR_FAIL;
380 }
381
382 if (res == SZ_OK)
383 {
384 UInt32 i;
385
386 /*
387 if you need cache, use these 3 variables.
388 if you use external function, you can make these variable as static.
389 */
390 UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
391 Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
392 size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
393
394 for (i = 0; i < db.NumFiles; i++)
395 {
396 size_t offset = 0;
397 size_t outSizeProcessed = 0;
398 // const CSzFileItem *f = db.Files + i;
399 size_t len;
400 int isDir = SzArEx_IsDir(&db, i);
401 if (listCommand == 0 && isDir && !fullPaths)
402 continue;
403 len = SzArEx_GetFileNameUtf16(&db, i, NULL);
404 // len = SzArEx_GetFullNameLen(&db, i);
405
406 if (len > tempSize)
407 {
408 SzFree(NULL, temp);
409 tempSize = len;
410 temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
411 if (!temp)
412 {
413 res = SZ_ERROR_MEM;
414 break;
415 }
416 }
417
418 SzArEx_GetFileNameUtf16(&db, i, temp);
419 /*
420 if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp)
421 {
422 res = SZ_ERROR_FAIL;
423 break;
424 }
425 */
426
427 if (listCommand)
428 {
429 char attr[8], s[32], t[32];
430 UInt64 fileSize;
431
432 GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr);
433
434 fileSize = SzArEx_GetFileSize(&db, i);
435 UInt64ToStr(fileSize, s);
436 if (SzBitWithVals_Check(&db.MTime, i))
437 ConvertFileTimeToString(&db.MTime.Vals[i], t);
438 else
439 {
440 size_t j;
441 for (j = 0; j < 19; j++)
442 t[j] = ' ';
443 t[j] = '\0';
444 }
445
446 printf("%s %s %10s ", t, attr, s);
447 res = PrintString(temp);
448 if (res != SZ_OK)
449 break;
450 if (isDir)
451 printf("/");
452 printf("\n");
453 continue;
454 }
455 fputs(testCommand ?
456 "Testing ":
457 "Extracting ",
458 stdout);
459 res = PrintString(temp);
460 if (res != SZ_OK)
461 break;
462 if (isDir)
463 printf("/");
464 else
465 {
466 res = SzArEx_Extract(&db, &lookStream.s, i,
467 &blockIndex, &outBuffer, &outBufferSize,
468 &offset, &outSizeProcessed,
469 &allocImp, &allocTempImp);
470 if (res != SZ_OK)
471 break;
472 }
473 if (!testCommand)
474 {
475 CSzFile outFile;
476 size_t processedSize;
477 size_t j;
478 UInt16 *name = (UInt16 *)temp;
479 const UInt16 *destPath = (const UInt16 *)name;
480 for (j = 0; name[j] != 0; j++)
481 if (name[j] == '/')
482 {
483 if (fullPaths)
484 {
485 name[j] = 0;
486 MyCreateDir(name);
487 name[j] = CHAR_PATH_SEPARATOR;
488 }
489 else
490 destPath = name + j + 1;
491 }
492
493 if (isDir)
494 {
495 MyCreateDir(destPath);
496 printf("\n");
497 continue;
498 }
499 else if (OutFile_OpenUtf16(&outFile, destPath))
500 {
501 PrintError("can not open output file");
502 res = SZ_ERROR_FAIL;
503 break;
504 }
505 processedSize = outSizeProcessed;
506 if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed)
507 {
508 PrintError("can not write output file");
509 res = SZ_ERROR_FAIL;
510 break;
511 }
512 if (File_Close(&outFile))
513 {
514 PrintError("can not close output file");
515 res = SZ_ERROR_FAIL;
516 break;
517 }
518 #ifdef USE_WINDOWS_FILE
519 if (SzBitWithVals_Check(&db.Attribs, i))
520 SetFileAttributesW(destPath, db.Attribs.Vals[i]);
521 #endif
522 }
523 printf("\n");
524 }
525 IAlloc_Free(&allocImp, outBuffer);
526 }
527 }
528 SzArEx_Free(&db, &allocImp);
529 SzFree(NULL, temp);
530
531 File_Close(&archiveStream.file);
532 if (res == SZ_OK)
533 {
534 printf("\nEverything is Ok\n");
535 return 0;
536 }
537 if (res == SZ_ERROR_UNSUPPORTED)
538 PrintError("decoder doesn't support this archive");
539 else if (res == SZ_ERROR_MEM)
540 PrintError("can not allocate memory");
541 else if (res == SZ_ERROR_CRC)
542 PrintError("CRC error");
543 else
544 printf("\nERROR #%d\n", res);
545 return 1;
546 }
547