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546 lines
13 KiB
546 lines
13 KiB
/* 7zMain.c - Test application for 7z Decoder |
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2015-01-02 : Igor Pavlov : Public domain */ |
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#include "Precomp.h" |
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#include <stdio.h> |
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#include <string.h> |
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#include "../../7z.h" |
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#include "../../7zAlloc.h" |
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#include "../../7zBuf.h" |
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#include "../../7zCrc.h" |
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#include "../../7zFile.h" |
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#include "../../7zVersion.h" |
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#ifndef USE_WINDOWS_FILE |
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/* for mkdir */ |
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#ifdef _WIN32 |
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#include <direct.h> |
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#else |
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#include <sys/stat.h> |
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#include <errno.h> |
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#endif |
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#endif |
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static ISzAlloc g_Alloc = { SzAlloc, SzFree }; |
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static int Buf_EnsureSize(CBuf *dest, size_t size) |
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{ |
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if (dest->size >= size) |
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return 1; |
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Buf_Free(dest, &g_Alloc); |
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return Buf_Create(dest, size, &g_Alloc); |
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} |
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#ifndef _WIN32 |
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static Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC }; |
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static Bool Utf16_To_Utf8(Byte *dest, size_t *destLen, const UInt16 *src, size_t srcLen) |
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{ |
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size_t destPos = 0, srcPos = 0; |
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for (;;) |
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{ |
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unsigned numAdds; |
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UInt32 value; |
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if (srcPos == srcLen) |
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{ |
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*destLen = destPos; |
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return True; |
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} |
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value = src[srcPos++]; |
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if (value < 0x80) |
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{ |
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if (dest) |
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dest[destPos] = (char)value; |
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destPos++; |
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continue; |
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} |
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if (value >= 0xD800 && value < 0xE000) |
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{ |
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UInt32 c2; |
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if (value >= 0xDC00 || srcPos == srcLen) |
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break; |
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c2 = src[srcPos++]; |
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if (c2 < 0xDC00 || c2 >= 0xE000) |
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break; |
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value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000; |
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} |
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for (numAdds = 1; numAdds < 5; numAdds++) |
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if (value < (((UInt32)1) << (numAdds * 5 + 6))) |
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break; |
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if (dest) |
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dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds))); |
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destPos++; |
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do |
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{ |
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numAdds--; |
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if (dest) |
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dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F)); |
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destPos++; |
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} |
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while (numAdds != 0); |
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} |
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*destLen = destPos; |
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return False; |
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} |
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static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen) |
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{ |
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size_t destLen = 0; |
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Bool res; |
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Utf16_To_Utf8(NULL, &destLen, src, srcLen); |
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destLen += 1; |
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if (!Buf_EnsureSize(dest, destLen)) |
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return SZ_ERROR_MEM; |
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res = Utf16_To_Utf8(dest->data, &destLen, src, srcLen); |
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dest->data[destLen] = 0; |
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return res ? SZ_OK : SZ_ERROR_FAIL; |
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} |
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#endif |
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static SRes Utf16_To_Char(CBuf *buf, const UInt16 *s |
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#ifdef _WIN32 |
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, UINT codePage |
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#endif |
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) |
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{ |
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unsigned len = 0; |
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for (len = 0; s[len] != 0; len++); |
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#ifdef _WIN32 |
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{ |
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unsigned size = len * 3 + 100; |
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if (!Buf_EnsureSize(buf, size)) |
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return SZ_ERROR_MEM; |
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{ |
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buf->data[0] = 0; |
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if (len != 0) |
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{ |
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char defaultChar = '_'; |
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BOOL defUsed; |
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unsigned numChars = 0; |
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numChars = WideCharToMultiByte(codePage, 0, s, len, (char *)buf->data, size, &defaultChar, &defUsed); |
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if (numChars == 0 || numChars >= size) |
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return SZ_ERROR_FAIL; |
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buf->data[numChars] = 0; |
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} |
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return SZ_OK; |
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} |
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} |
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#else |
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return Utf16_To_Utf8Buf(buf, s, len); |
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#endif |
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} |
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#ifdef _WIN32 |
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#ifndef USE_WINDOWS_FILE |
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static UINT g_FileCodePage = CP_ACP; |
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#endif |
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#define MY_FILE_CODE_PAGE_PARAM ,g_FileCodePage |
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#else |
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#define MY_FILE_CODE_PAGE_PARAM |
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#endif |
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static WRes MyCreateDir(const UInt16 *name) |
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{ |
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#ifdef USE_WINDOWS_FILE |
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return CreateDirectoryW(name, NULL) ? 0 : GetLastError(); |
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#else |
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CBuf buf; |
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WRes res; |
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Buf_Init(&buf); |
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RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM)); |
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res = |
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#ifdef _WIN32 |
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_mkdir((const char *)buf.data) |
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#else |
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mkdir((const char *)buf.data, 0777) |
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#endif |
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== 0 ? 0 : errno; |
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Buf_Free(&buf, &g_Alloc); |
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return res; |
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#endif |
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} |
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static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name) |
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{ |
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#ifdef USE_WINDOWS_FILE |
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return OutFile_OpenW(p, name); |
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#else |
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CBuf buf; |
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WRes res; |
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Buf_Init(&buf); |
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RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM)); |
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res = OutFile_Open(p, (const char *)buf.data); |
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Buf_Free(&buf, &g_Alloc); |
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return res; |
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#endif |
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} |
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static SRes PrintString(const UInt16 *s) |
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{ |
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CBuf buf; |
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SRes res; |
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Buf_Init(&buf); |
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res = Utf16_To_Char(&buf, s |
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#ifdef _WIN32 |
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, CP_OEMCP |
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#endif |
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); |
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if (res == SZ_OK) |
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fputs((const char *)buf.data, stdout); |
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Buf_Free(&buf, &g_Alloc); |
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return res; |
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} |
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static void UInt64ToStr(UInt64 value, char *s) |
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{ |
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char temp[32]; |
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int pos = 0; |
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do |
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{ |
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temp[pos++] = (char)('0' + (unsigned)(value % 10)); |
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value /= 10; |
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} |
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while (value != 0); |
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do |
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*s++ = temp[--pos]; |
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while (pos); |
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*s = '\0'; |
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} |
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static char *UIntToStr(char *s, unsigned value, int numDigits) |
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{ |
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char temp[16]; |
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int pos = 0; |
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do |
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temp[pos++] = (char)('0' + (value % 10)); |
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while (value /= 10); |
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for (numDigits -= pos; numDigits > 0; numDigits--) |
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*s++ = '0'; |
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do |
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*s++ = temp[--pos]; |
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while (pos); |
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*s = '\0'; |
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return s; |
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} |
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static void UIntToStr_2(char *s, unsigned value) |
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{ |
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s[0] = (char)('0' + (value / 10)); |
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s[1] = (char)('0' + (value % 10)); |
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} |
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#define PERIOD_4 (4 * 365 + 1) |
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#define PERIOD_100 (PERIOD_4 * 25 - 1) |
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#define PERIOD_400 (PERIOD_100 * 4 + 1) |
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static void ConvertFileTimeToString(const CNtfsFileTime *nt, char *s) |
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{ |
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unsigned year, mon, hour, min, sec; |
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Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; |
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unsigned t; |
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UInt32 v; |
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UInt64 v64 = nt->Low | ((UInt64)nt->High << 32); |
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v64 /= 10000000; |
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sec = (unsigned)(v64 % 60); v64 /= 60; |
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min = (unsigned)(v64 % 60); v64 /= 60; |
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hour = (unsigned)(v64 % 24); v64 /= 24; |
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v = (UInt32)v64; |
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year = (unsigned)(1601 + v / PERIOD_400 * 400); |
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v %= PERIOD_400; |
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t = v / PERIOD_100; if (t == 4) t = 3; year += t * 100; v -= t * PERIOD_100; |
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t = v / PERIOD_4; if (t == 25) t = 24; year += t * 4; v -= t * PERIOD_4; |
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t = v / 365; if (t == 4) t = 3; year += t; v -= t * 365; |
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if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)) |
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ms[1] = 29; |
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for (mon = 0;; mon++) |
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{ |
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unsigned s = ms[mon]; |
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if (v < s) |
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break; |
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v -= s; |
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} |
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s = UIntToStr(s, year, 4); *s++ = '-'; |
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UIntToStr_2(s, mon + 1); s[2] = '-'; s += 3; |
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UIntToStr_2(s, (unsigned)v + 1); s[2] = ' '; s += 3; |
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UIntToStr_2(s, hour); s[2] = ':'; s += 3; |
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UIntToStr_2(s, min); s[2] = ':'; s += 3; |
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UIntToStr_2(s, sec); s[2] = 0; |
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} |
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void PrintError(const char *sz) |
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{ |
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printf("\nERROR: %s\n", sz); |
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} |
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#ifdef USE_WINDOWS_FILE |
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static void GetAttribString(UInt32 wa, Bool isDir, char *s) |
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{ |
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s[0] = (char)(((wa & FILE_ATTRIBUTE_DIRECTORY) != 0 || isDir) ? 'D' : '.'); |
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s[1] = (char)(((wa & FILE_ATTRIBUTE_READONLY ) != 0) ? 'R': '.'); |
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s[2] = (char)(((wa & FILE_ATTRIBUTE_HIDDEN ) != 0) ? 'H': '.'); |
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s[3] = (char)(((wa & FILE_ATTRIBUTE_SYSTEM ) != 0) ? 'S': '.'); |
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s[4] = (char)(((wa & FILE_ATTRIBUTE_ARCHIVE ) != 0) ? 'A': '.'); |
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s[5] = '\0'; |
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} |
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#else |
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static void GetAttribString(UInt32, Bool, char *s) |
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{ |
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s[0] = '\0'; |
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} |
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#endif |
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// #define NUM_PARENTS_MAX 128 |
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int MY_CDECL main(int numargs, char *args[]) |
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{ |
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CFileInStream archiveStream; |
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CLookToRead lookStream; |
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CSzArEx db; |
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SRes res; |
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ISzAlloc allocImp; |
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ISzAlloc allocTempImp; |
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UInt16 *temp = NULL; |
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size_t tempSize = 0; |
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// UInt32 parents[NUM_PARENTS_MAX]; |
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printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n"); |
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if (numargs == 1) |
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{ |
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printf( |
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"Usage: 7zDec <command> <archive_name>\n\n" |
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"<Commands>\n" |
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" e: Extract files from archive (without using directory names)\n" |
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" l: List contents of archive\n" |
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" t: Test integrity of archive\n" |
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" x: eXtract files with full paths\n"); |
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return 0; |
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} |
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if (numargs < 3) |
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{ |
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PrintError("incorrect command"); |
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return 1; |
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} |
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#if defined(_WIN32) && !defined(USE_WINDOWS_FILE) && !defined(UNDER_CE) |
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g_FileCodePage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; |
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#endif |
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allocImp.Alloc = SzAlloc; |
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allocImp.Free = SzFree; |
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allocTempImp.Alloc = SzAllocTemp; |
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allocTempImp.Free = SzFreeTemp; |
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#ifdef UNDER_CE |
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if (InFile_OpenW(&archiveStream.file, L"\test.7z")) |
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#else |
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if (InFile_Open(&archiveStream.file, args[2])) |
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#endif |
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{ |
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PrintError("can not open input file"); |
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return 1; |
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} |
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FileInStream_CreateVTable(&archiveStream); |
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LookToRead_CreateVTable(&lookStream, False); |
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lookStream.realStream = &archiveStream.s; |
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LookToRead_Init(&lookStream); |
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CrcGenerateTable(); |
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SzArEx_Init(&db); |
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res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp); |
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if (res == SZ_OK) |
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{ |
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char *command = args[1]; |
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int listCommand = 0, testCommand = 0, fullPaths = 0; |
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if (strcmp(command, "l") == 0) listCommand = 1; |
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else if (strcmp(command, "t") == 0) testCommand = 1; |
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else if (strcmp(command, "e") == 0) { } |
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else if (strcmp(command, "x") == 0) { fullPaths = 1; } |
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else |
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{ |
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PrintError("incorrect command"); |
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res = SZ_ERROR_FAIL; |
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} |
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if (res == SZ_OK) |
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{ |
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UInt32 i; |
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/* |
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if you need cache, use these 3 variables. |
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if you use external function, you can make these variable as static. |
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*/ |
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UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */ |
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Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */ |
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size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */ |
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for (i = 0; i < db.NumFiles; i++) |
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{ |
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size_t offset = 0; |
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size_t outSizeProcessed = 0; |
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// const CSzFileItem *f = db.Files + i; |
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size_t len; |
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int isDir = SzArEx_IsDir(&db, i); |
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if (listCommand == 0 && isDir && !fullPaths) |
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continue; |
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len = SzArEx_GetFileNameUtf16(&db, i, NULL); |
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// len = SzArEx_GetFullNameLen(&db, i); |
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if (len > tempSize) |
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{ |
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SzFree(NULL, temp); |
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tempSize = len; |
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temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0])); |
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if (!temp) |
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{ |
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res = SZ_ERROR_MEM; |
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break; |
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} |
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} |
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SzArEx_GetFileNameUtf16(&db, i, temp); |
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/* |
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if (SzArEx_GetFullNameUtf16_Back(&db, i, temp + len) != temp) |
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{ |
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res = SZ_ERROR_FAIL; |
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break; |
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} |
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*/ |
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if (listCommand) |
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{ |
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char attr[8], s[32], t[32]; |
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UInt64 fileSize; |
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GetAttribString(SzBitWithVals_Check(&db.Attribs, i) ? db.Attribs.Vals[i] : 0, isDir, attr); |
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fileSize = SzArEx_GetFileSize(&db, i); |
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UInt64ToStr(fileSize, s); |
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if (SzBitWithVals_Check(&db.MTime, i)) |
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ConvertFileTimeToString(&db.MTime.Vals[i], t); |
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else |
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{ |
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size_t j; |
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for (j = 0; j < 19; j++) |
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t[j] = ' '; |
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t[j] = '\0'; |
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} |
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printf("%s %s %10s ", t, attr, s); |
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res = PrintString(temp); |
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if (res != SZ_OK) |
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break; |
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if (isDir) |
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printf("/"); |
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printf("\n"); |
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continue; |
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} |
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fputs(testCommand ? |
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"Testing ": |
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"Extracting ", |
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stdout); |
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res = PrintString(temp); |
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if (res != SZ_OK) |
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break; |
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if (isDir) |
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printf("/"); |
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else |
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{ |
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res = SzArEx_Extract(&db, &lookStream.s, i, |
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&blockIndex, &outBuffer, &outBufferSize, |
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&offset, &outSizeProcessed, |
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&allocImp, &allocTempImp); |
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if (res != SZ_OK) |
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break; |
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} |
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if (!testCommand) |
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{ |
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CSzFile outFile; |
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size_t processedSize; |
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size_t j; |
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UInt16 *name = (UInt16 *)temp; |
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const UInt16 *destPath = (const UInt16 *)name; |
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for (j = 0; name[j] != 0; j++) |
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if (name[j] == '/') |
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{ |
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if (fullPaths) |
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{ |
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name[j] = 0; |
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MyCreateDir(name); |
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name[j] = CHAR_PATH_SEPARATOR; |
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} |
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else |
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destPath = name + j + 1; |
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} |
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if (isDir) |
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{ |
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MyCreateDir(destPath); |
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printf("\n"); |
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continue; |
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} |
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else if (OutFile_OpenUtf16(&outFile, destPath)) |
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{ |
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PrintError("can not open output file"); |
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res = SZ_ERROR_FAIL; |
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break; |
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} |
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processedSize = outSizeProcessed; |
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if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed) |
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{ |
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PrintError("can not write output file"); |
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res = SZ_ERROR_FAIL; |
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break; |
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} |
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if (File_Close(&outFile)) |
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{ |
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PrintError("can not close output file"); |
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res = SZ_ERROR_FAIL; |
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break; |
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} |
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#ifdef USE_WINDOWS_FILE |
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if (SzBitWithVals_Check(&db.Attribs, i)) |
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SetFileAttributesW(destPath, db.Attribs.Vals[i]); |
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#endif |
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} |
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printf("\n"); |
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} |
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IAlloc_Free(&allocImp, outBuffer); |
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} |
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} |
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SzArEx_Free(&db, &allocImp); |
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SzFree(NULL, temp); |
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File_Close(&archiveStream.file); |
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if (res == SZ_OK) |
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{ |
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printf("\nEverything is Ok\n"); |
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return 0; |
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} |
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if (res == SZ_ERROR_UNSUPPORTED) |
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PrintError("decoder doesn't support this archive"); |
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else if (res == SZ_ERROR_MEM) |
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PrintError("can not allocate memory"); |
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else if (res == SZ_ERROR_CRC) |
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PrintError("CRC error"); |
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else |
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printf("\nERROR #%d\n", res); |
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return 1; |
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}
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