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-rwxr-xr-xC/Util/7z/7zMain.c501
1 files changed, 501 insertions, 0 deletions
diff --git a/C/Util/7z/7zMain.c b/C/Util/7z/7zMain.c
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+/* 7zMain.c - Test application for 7z Decoder
+2010-10-28 : Igor Pavlov : Public domain */
+
+#include <stdio.h>
+#include <string.h>
+
+#include "../../7z.h"
+#include "../../7zAlloc.h"
+#include "../../7zCrc.h"
+#include "../../7zFile.h"
+#include "../../7zVersion.h"
+
+#ifndef USE_WINDOWS_FILE
+/* for mkdir */
+#ifdef _WIN32
+#include <direct.h>
+#else
+#include <sys/stat.h>
+#include <errno.h>
+#endif
+#endif
+
+static ISzAlloc g_Alloc = { SzAlloc, SzFree };
+
+static int Buf_EnsureSize(CBuf *dest, size_t size)
+{
+ if (dest->size >= size)
+ return 1;
+ Buf_Free(dest, &g_Alloc);
+ return Buf_Create(dest, size, &g_Alloc);
+}
+
+#ifndef _WIN32
+
+static Byte kUtf8Limits[5] = { 0xC0, 0xE0, 0xF0, 0xF8, 0xFC };
+
+static Bool Utf16_To_Utf8(Byte *dest, size_t *destLen, const UInt16 *src, size_t srcLen)
+{
+ size_t destPos = 0, srcPos = 0;
+ for (;;)
+ {
+ unsigned numAdds;
+ UInt32 value;
+ if (srcPos == srcLen)
+ {
+ *destLen = destPos;
+ return True;
+ }
+ value = src[srcPos++];
+ if (value < 0x80)
+ {
+ if (dest)
+ dest[destPos] = (char)value;
+ destPos++;
+ continue;
+ }
+ if (value >= 0xD800 && value < 0xE000)
+ {
+ UInt32 c2;
+ if (value >= 0xDC00 || srcPos == srcLen)
+ break;
+ c2 = src[srcPos++];
+ if (c2 < 0xDC00 || c2 >= 0xE000)
+ break;
+ value = (((value - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
+ }
+ for (numAdds = 1; numAdds < 5; numAdds++)
+ if (value < (((UInt32)1) << (numAdds * 5 + 6)))
+ break;
+ if (dest)
+ dest[destPos] = (char)(kUtf8Limits[numAdds - 1] + (value >> (6 * numAdds)));
+ destPos++;
+ do
+ {
+ numAdds--;
+ if (dest)
+ dest[destPos] = (char)(0x80 + ((value >> (6 * numAdds)) & 0x3F));
+ destPos++;
+ }
+ while (numAdds != 0);
+ }
+ *destLen = destPos;
+ return False;
+}
+
+static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
+{
+ size_t destLen = 0;
+ Bool res;
+ Utf16_To_Utf8(NULL, &destLen, src, srcLen);
+ destLen += 1;
+ if (!Buf_EnsureSize(dest, destLen))
+ return SZ_ERROR_MEM;
+ res = Utf16_To_Utf8(dest->data, &destLen, src, srcLen);
+ dest->data[destLen] = 0;
+ return res ? SZ_OK : SZ_ERROR_FAIL;
+}
+#endif
+
+static SRes Utf16_To_Char(CBuf *buf, const UInt16 *s, int fileMode)
+{
+ int len = 0;
+ for (len = 0; s[len] != '\0'; len++);
+
+ #ifdef _WIN32
+ {
+ int size = len * 3 + 100;
+ if (!Buf_EnsureSize(buf, size))
+ return SZ_ERROR_MEM;
+ {
+ char defaultChar = '_';
+ BOOL defUsed;
+ int numChars = WideCharToMultiByte(fileMode ?
+ (
+ #ifdef UNDER_CE
+ CP_ACP
+ #else
+ AreFileApisANSI() ? CP_ACP : CP_OEMCP
+ #endif
+ ) : CP_OEMCP,
+ 0, s, len, (char *)buf->data, size, &defaultChar, &defUsed);
+ if (numChars == 0 || numChars >= size)
+ return SZ_ERROR_FAIL;
+ buf->data[numChars] = 0;
+ return SZ_OK;
+ }
+ }
+ #else
+ fileMode = fileMode;
+ return Utf16_To_Utf8Buf(buf, s, len);
+ #endif
+}
+
+static WRes MyCreateDir(const UInt16 *name)
+{
+ #ifdef USE_WINDOWS_FILE
+
+ return CreateDirectoryW(name, NULL) ? 0 : GetLastError();
+
+ #else
+
+ CBuf buf;
+ WRes res;
+ Buf_Init(&buf);
+ RINOK(Utf16_To_Char(&buf, name, 1));
+
+ res =
+ #ifdef _WIN32
+ _mkdir((const char *)buf.data)
+ #else
+ mkdir((const char *)buf.data, 0777)
+ #endif
+ == 0 ? 0 : errno;
+ Buf_Free(&buf, &g_Alloc);
+ return res;
+
+ #endif
+}
+
+static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
+{
+ #ifdef USE_WINDOWS_FILE
+ return OutFile_OpenW(p, name);
+ #else
+ CBuf buf;
+ WRes res;
+ Buf_Init(&buf);
+ RINOK(Utf16_To_Char(&buf, name, 1));
+ res = OutFile_Open(p, (const char *)buf.data);
+ Buf_Free(&buf, &g_Alloc);
+ return res;
+ #endif
+}
+
+static SRes PrintString(const UInt16 *s)
+{
+ CBuf buf;
+ SRes res;
+ Buf_Init(&buf);
+ res = Utf16_To_Char(&buf, s, 0);
+ if (res == SZ_OK)
+ fputs((const char *)buf.data, stdout);
+ Buf_Free(&buf, &g_Alloc);
+ return res;
+}
+
+static void UInt64ToStr(UInt64 value, char *s)
+{
+ char temp[32];
+ int pos = 0;
+ do
+ {
+ temp[pos++] = (char)('0' + (unsigned)(value % 10));
+ value /= 10;
+ }
+ while (value != 0);
+ do
+ *s++ = temp[--pos];
+ while (pos);
+ *s = '\0';
+}
+
+static char *UIntToStr(char *s, unsigned value, int numDigits)
+{
+ char temp[16];
+ int pos = 0;
+ do
+ temp[pos++] = (char)('0' + (value % 10));
+ while (value /= 10);
+ for (numDigits -= pos; numDigits > 0; numDigits--)
+ *s++ = '0';
+ do
+ *s++ = temp[--pos];
+ while (pos);
+ *s = '\0';
+ return s;
+}
+
+#define PERIOD_4 (4 * 365 + 1)
+#define PERIOD_100 (PERIOD_4 * 25 - 1)
+#define PERIOD_400 (PERIOD_100 * 4 + 1)
+
+static void ConvertFileTimeToString(const CNtfsFileTime *ft, char *s)
+{
+ unsigned year, mon, day, hour, min, sec;
+ UInt64 v64 = (ft->Low | ((UInt64)ft->High << 32)) / 10000000;
+ Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
+ unsigned t;
+ UInt32 v;
+ sec = (unsigned)(v64 % 60); v64 /= 60;
+ min = (unsigned)(v64 % 60); v64 /= 60;
+ hour = (unsigned)(v64 % 24); v64 /= 24;
+
+ v = (UInt32)v64;
+
+ year = (unsigned)(1601 + v / PERIOD_400 * 400);
+ v %= PERIOD_400;
+
+ t = v / PERIOD_100; if (t == 4) t = 3; year += t * 100; v -= t * PERIOD_100;
+ t = v / PERIOD_4; if (t == 25) t = 24; year += t * 4; v -= t * PERIOD_4;
+ t = v / 365; if (t == 4) t = 3; year += t; v -= t * 365;
+
+ if (year % 4 == 0 && (year % 100 != 0 || year % 400 == 0))
+ ms[1] = 29;
+ for (mon = 1; mon <= 12; mon++)
+ {
+ unsigned s = ms[mon - 1];
+ if (v < s)
+ break;
+ v -= s;
+ }
+ day = (unsigned)v + 1;
+ s = UIntToStr(s, year, 4); *s++ = '-';
+ s = UIntToStr(s, mon, 2); *s++ = '-';
+ s = UIntToStr(s, day, 2); *s++ = ' ';
+ s = UIntToStr(s, hour, 2); *s++ = ':';
+ s = UIntToStr(s, min, 2); *s++ = ':';
+ s = UIntToStr(s, sec, 2);
+}
+
+void PrintError(char *sz)
+{
+ printf("\nERROR: %s\n", sz);
+}
+
+#ifdef USE_WINDOWS_FILE
+#define kEmptyAttribChar '.'
+static void GetAttribString(UInt32 wa, Bool isDir, char *s)
+{
+ s[0] = (char)(((wa & FILE_ATTRIBUTE_DIRECTORY) != 0 || isDir) ? 'D' : kEmptyAttribChar);
+ s[1] = (char)(((wa & FILE_ATTRIBUTE_READONLY) != 0) ? 'R': kEmptyAttribChar);
+ s[2] = (char)(((wa & FILE_ATTRIBUTE_HIDDEN) != 0) ? 'H': kEmptyAttribChar);
+ s[3] = (char)(((wa & FILE_ATTRIBUTE_SYSTEM) != 0) ? 'S': kEmptyAttribChar);
+ s[4] = (char)(((wa & FILE_ATTRIBUTE_ARCHIVE) != 0) ? 'A': kEmptyAttribChar);
+ s[5] = '\0';
+}
+#else
+static void GetAttribString(UInt32, Bool, char *s)
+{
+ s[0] = '\0';
+}
+#endif
+
+int MY_CDECL main(int numargs, char *args[])
+{
+ CFileInStream archiveStream;
+ CLookToRead lookStream;
+ CSzArEx db;
+ SRes res;
+ ISzAlloc allocImp;
+ ISzAlloc allocTempImp;
+ UInt16 *temp = NULL;
+ size_t tempSize = 0;
+
+ printf("\n7z ANSI-C Decoder " MY_VERSION_COPYRIGHT_DATE "\n\n");
+ if (numargs == 1)
+ {
+ printf(
+ "Usage: 7zDec <command> <archive_name>\n\n"
+ "<Commands>\n"
+ " e: Extract files from archive (without using directory names)\n"
+ " l: List contents of archive\n"
+ " t: Test integrity of archive\n"
+ " x: eXtract files with full paths\n");
+ return 0;
+ }
+ if (numargs < 3)
+ {
+ PrintError("incorrect command");
+ return 1;
+ }
+
+ allocImp.Alloc = SzAlloc;
+ allocImp.Free = SzFree;
+
+ allocTempImp.Alloc = SzAllocTemp;
+ allocTempImp.Free = SzFreeTemp;
+
+ if (InFile_Open(&archiveStream.file, args[2]))
+ {
+ PrintError("can not open input file");
+ return 1;
+ }
+
+ FileInStream_CreateVTable(&archiveStream);
+ LookToRead_CreateVTable(&lookStream, False);
+
+ lookStream.realStream = &archiveStream.s;
+ LookToRead_Init(&lookStream);
+
+ CrcGenerateTable();
+
+ SzArEx_Init(&db);
+ res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
+ if (res == SZ_OK)
+ {
+ char *command = args[1];
+ int listCommand = 0, testCommand = 0, extractCommand = 0, fullPaths = 0;
+ if (strcmp(command, "l") == 0) listCommand = 1;
+ else if (strcmp(command, "t") == 0) testCommand = 1;
+ else if (strcmp(command, "e") == 0) extractCommand = 1;
+ else if (strcmp(command, "x") == 0) { extractCommand = 1; fullPaths = 1; }
+ else
+ {
+ PrintError("incorrect command");
+ res = SZ_ERROR_FAIL;
+ }
+
+ if (res == SZ_OK)
+ {
+ UInt32 i;
+
+ /*
+ if you need cache, use these 3 variables.
+ if you use external function, you can make these variable as static.
+ */
+ UInt32 blockIndex = 0xFFFFFFFF; /* it can have any value before first call (if outBuffer = 0) */
+ Byte *outBuffer = 0; /* it must be 0 before first call for each new archive. */
+ size_t outBufferSize = 0; /* it can have any value before first call (if outBuffer = 0) */
+
+ for (i = 0; i < db.db.NumFiles; i++)
+ {
+ size_t offset = 0;
+ size_t outSizeProcessed = 0;
+ const CSzFileItem *f = db.db.Files + i;
+ size_t len;
+ if (listCommand == 0 && f->IsDir && !fullPaths)
+ continue;
+ len = SzArEx_GetFileNameUtf16(&db, i, NULL);
+
+ if (len > tempSize)
+ {
+ SzFree(NULL, temp);
+ tempSize = len;
+ temp = (UInt16 *)SzAlloc(NULL, tempSize * sizeof(temp[0]));
+ if (temp == 0)
+ {
+ res = SZ_ERROR_MEM;
+ break;
+ }
+ }
+
+ SzArEx_GetFileNameUtf16(&db, i, temp);
+ if (listCommand)
+ {
+ char attr[8], s[32], t[32];
+
+ GetAttribString(f->AttribDefined ? f->Attrib : 0, f->IsDir, attr);
+
+ UInt64ToStr(f->Size, s);
+ if (f->MTimeDefined)
+ ConvertFileTimeToString(&f->MTime, t);
+ else
+ {
+ size_t j;
+ for (j = 0; j < 19; j++)
+ t[j] = ' ';
+ t[j] = '\0';
+ }
+
+ printf("%s %s %10s ", t, attr, s);
+ res = PrintString(temp);
+ if (res != SZ_OK)
+ break;
+ if (f->IsDir)
+ printf("/");
+ printf("\n");
+ continue;
+ }
+ fputs(testCommand ?
+ "Testing ":
+ "Extracting ",
+ stdout);
+ res = PrintString(temp);
+ if (res != SZ_OK)
+ break;
+ if (f->IsDir)
+ printf("/");
+ else
+ {
+ res = SzArEx_Extract(&db, &lookStream.s, i,
+ &blockIndex, &outBuffer, &outBufferSize,
+ &offset, &outSizeProcessed,
+ &allocImp, &allocTempImp);
+ if (res != SZ_OK)
+ break;
+ }
+ if (!testCommand)
+ {
+ CSzFile outFile;
+ size_t processedSize;
+ size_t j;
+ UInt16 *name = (UInt16 *)temp;
+ const UInt16 *destPath = (const UInt16 *)name;
+ for (j = 0; name[j] != 0; j++)
+ if (name[j] == '/')
+ {
+ if (fullPaths)
+ {
+ name[j] = 0;
+ MyCreateDir(name);
+ name[j] = CHAR_PATH_SEPARATOR;
+ }
+ else
+ destPath = name + j + 1;
+ }
+
+ if (f->IsDir)
+ {
+ MyCreateDir(destPath);
+ printf("\n");
+ continue;
+ }
+ else if (OutFile_OpenUtf16(&outFile, destPath))
+ {
+ PrintError("can not open output file");
+ res = SZ_ERROR_FAIL;
+ break;
+ }
+ processedSize = outSizeProcessed;
+ if (File_Write(&outFile, outBuffer + offset, &processedSize) != 0 || processedSize != outSizeProcessed)
+ {
+ PrintError("can not write output file");
+ res = SZ_ERROR_FAIL;
+ break;
+ }
+ if (File_Close(&outFile))
+ {
+ PrintError("can not close output file");
+ res = SZ_ERROR_FAIL;
+ break;
+ }
+ #ifdef USE_WINDOWS_FILE
+ if (f->AttribDefined)
+ SetFileAttributesW(destPath, f->Attrib);
+ #endif
+ }
+ printf("\n");
+ }
+ IAlloc_Free(&allocImp, outBuffer);
+ }
+ }
+ SzArEx_Free(&db, &allocImp);
+ SzFree(NULL, temp);
+
+ File_Close(&archiveStream.file);
+ if (res == SZ_OK)
+ {
+ printf("\nEverything is Ok\n");
+ return 0;
+ }
+ if (res == SZ_ERROR_UNSUPPORTED)
+ PrintError("decoder doesn't support this archive");
+ else if (res == SZ_ERROR_MEM)
+ PrintError("can not allocate memory");
+ else if (res == SZ_ERROR_CRC)
+ PrintError("CRC error");
+ else
+ printf("\nERROR #%d\n", res);
+ return 1;
+}