kolibrios/contrib/other/kpm/7z/7z.c
Sergey Semyonov (Serge) b098d55252 kpm: and finally unpack packages to tmp disk. just for testing.
git-svn-id: svn://kolibrios.org@5729 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-08-16 19:06:43 +00:00

470 lines
12 KiB
C

#include <stdio.h>
#include <string.h>
#include "7z.h"
#include "7zAlloc.h"
#include "7zBuf.h"
#include "7zCrc.h"
#include "7zFile.h"
#include "7zVersion.h"
#include "package.h"
#define PERIOD_4 (4 * 365 + 1)
#define PERIOD_100 (PERIOD_4 * 25 - 1)
#define PERIOD_400 (PERIOD_100 * 4 + 1)
#define _UTF8_START(n) (0x100 - (1 << (7 - (n))))
#define _UTF8_RANGE(n) (((UInt32)1) << ((n) * 5 + 6))
#define _UTF8_HEAD(n, val) ((Byte)(_UTF8_START(n) + (val >> (6 * (n)))))
#define _UTF8_CHAR(n, val) ((Byte)(0x80 + (((val) >> (6 * (n))) & 0x3F)))
#define MY_FILE_CODE_PAGE_PARAM
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);
}
int test_archive(const char *path)
{
CFileInStream archiveStream;
CLookToRead lookStream;
CSzArEx db;
SRes res;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
UInt16 *temp = NULL;
allocImp.Alloc = SzAlloc;
allocImp.Free = SzFree;
allocTempImp.Alloc = SzAllocTemp;
allocTempImp.Free = SzFreeTemp;
if (InFile_Open(&archiveStream.file, path))
{
printf("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);
SzArEx_Free(&db, &allocImp);
SzFree(NULL, temp);
File_Close(&archiveStream.file);
if (res == SZ_OK)
return 0;
else return -1;
};
static size_t Utf16_To_Utf8_Calc(const UInt16 *src, const UInt16 *srcLim)
{
size_t size = 0;
for (;;)
{
UInt32 val;
if (src == srcLim)
return size;
size++;
val = *src++;
if (val < 0x80)
continue;
if (val < _UTF8_RANGE(1))
{
size++;
continue;
}
if (val >= 0xD800 && val < 0xDC00 && src != srcLim)
{
UInt32 c2 = *src;
if (c2 >= 0xDC00 && c2 < 0xE000)
{
src++;
size += 3;
continue;
}
}
size += 2;
}
}
static Byte *Utf16_To_Utf8(Byte *dest, const UInt16 *src, const UInt16 *srcLim)
{
for (;;)
{
UInt32 val;
if (src == srcLim)
return dest;
val = *src++;
if (val < 0x80)
{
*dest++ = (char)val;
continue;
}
if (val < _UTF8_RANGE(1))
{
dest[0] = _UTF8_HEAD(1, val);
dest[1] = _UTF8_CHAR(0, val);
dest += 2;
continue;
}
if (val >= 0xD800 && val < 0xDC00 && src != srcLim)
{
UInt32 c2 = *src;
if (c2 >= 0xDC00 && c2 < 0xE000)
{
src++;
val = (((val - 0xD800) << 10) | (c2 - 0xDC00)) + 0x10000;
dest[0] = _UTF8_HEAD(3, val);
dest[1] = _UTF8_CHAR(2, val);
dest[2] = _UTF8_CHAR(1, val);
dest[3] = _UTF8_CHAR(0, val);
dest += 4;
continue;
}
}
dest[0] = _UTF8_HEAD(2, val);
dest[1] = _UTF8_CHAR(1, val);
dest[2] = _UTF8_CHAR(0, val);
dest += 3;
}
}
static SRes Utf16_To_Utf8Buf(CBuf *dest, const UInt16 *src, size_t srcLen)
{
size_t destLen = Utf16_To_Utf8_Calc(src, src + srcLen);
destLen += 1;
if (!Buf_EnsureSize(dest, destLen))
return SZ_ERROR_MEM;
*Utf16_To_Utf8(dest->data, src, src + srcLen) = 0;
return SZ_OK;
}
static void GetAttribString(UInt32 wa, Bool isDir, char *s)
{
s[0] = (char)(((wa & (1 << 4)) != 0 || isDir) ? 'D' : '.');
s[1] = 0;
}
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 SRes Utf16_To_Char(CBuf *buf, const UInt16 *s)
{
unsigned len = 0;
for (len = 0; s[len] != 0; len++);
return Utf16_To_Utf8Buf(buf, s, len);
}
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;
}
static void UIntToStr_2(char *s, unsigned value)
{
s[0] = (char)('0' + (value / 10));
s[1] = (char)('0' + (value % 10));
}
static WRes OutFile_OpenUtf16(CSzFile *p, const UInt16 *name)
{
CBuf buf;
WRes res;
Buf_Init(&buf);
RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
printf("open file %s\n", (const char *)buf.data);
res = OutFile_Open(p, (const char *)buf.data);
Buf_Free(&buf, &g_Alloc);
return res;
}
int create_dir(const char *path)
{
int retval;
__asm__ __volatile__ (
"pushl $0 \n\t"
"pushl $0 \n\t"
"movl %1, 1(%%esp) \n\t"
"pushl $0 \n\t"
"pushl $0 \n\t"
"pushl $0 \n\t"
"pushl $0 \n\t"
"pushl $9 \n\t"
"movl %%esp, %%ebx \n\t"
"movl $70, %%eax \n\t"
"int $0x40 \n\t"
"addl $28, %%esp \n\t"
:"=a" (retval)
:"r" (path)
:"ebx");
return retval;
};
static WRes MyCreateDir(const UInt16 *name)
{
CBuf buf;
WRes res;
Buf_Init(&buf);
RINOK(Utf16_To_Char(&buf, name MY_FILE_CODE_PAGE_PARAM));
res = create_dir((const char *)buf.data) == 0 ? 0 : -1;
Buf_Free(&buf, &g_Alloc);
return res;
}
static SRes PrintString(const UInt16 *s)
{
CBuf buf;
SRes res;
Buf_Init(&buf);
res = Utf16_To_Char(&buf, s);
if (res == SZ_OK)
fputs((const char *)buf.data, stdout);
Buf_Free(&buf, &g_Alloc);
return res;
}
void PrintError(char *sz)
{
printf("\nERROR: %s\n", sz);
}
static void ConvertFileTimeToString(const CNtfsFileTime *nt, char *s)
{
unsigned year, mon, hour, min, sec;
Byte ms[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 };
unsigned t;
UInt32 v;
UInt64 v64 = nt->Low | ((UInt64)nt->High << 32);
v64 /= 10000000;
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 = 0;; mon++)
{
unsigned s = ms[mon];
if (v < s)
break;
v -= s;
}
s = UIntToStr(s, year, 4); *s++ = '-';
UIntToStr_2(s, mon + 1); s[2] = '-'; s += 3;
UIntToStr_2(s, (unsigned)v + 1); s[2] = ' '; s += 3;
UIntToStr_2(s, hour); s[2] = ':'; s += 3;
UIntToStr_2(s, min); s[2] = ':'; s += 3;
UIntToStr_2(s, sec); s[2] = 0;
}
void do_install(list_t *install)
{
CFileInStream archiveStream;
CLookToRead lookStream;
CSzArEx db;
SRes res;
ISzAlloc allocImp;
ISzAlloc allocTempImp;
UInt16 *temp = NULL;
size_t tempSize = 0;
package_t *pkg, *tmp;
char *cache_path;
allocImp.Alloc = SzAlloc;
allocImp.Free = SzFree;
allocTempImp.Alloc = SzAllocTemp;
allocTempImp.Free = SzFreeTemp;
list_for_each_entry_safe(pkg, tmp, install, list)
{
cache_path = make_cache_path(pkg->filename);
if (InFile_Open(&archiveStream.file, cache_path))
continue;
FileInStream_CreateVTable(&archiveStream);
LookToRead_CreateVTable(&lookStream, False);
lookStream.realStream = &archiveStream.s;
LookToRead_Init(&lookStream);
SzArEx_Init(&db);
res = SzArEx_Open(&db, &lookStream.s, &allocImp, &allocTempImp);
if (res == SZ_OK)
{
UInt32 i;
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.NumFiles; i++)
{
size_t offset = 0;
size_t outSizeProcessed = 0;
size_t len;
unsigned isDir = SzArEx_IsDir(&db, i);
if ( isDir )
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)
{
res = SZ_ERROR_MEM;
break;
}
}
SzArEx_GetFileNameUtf16(&db, i, temp);
res = PrintString(temp);
if (res != SZ_OK)
break;
printf("\n");
if (isDir)
printf("/");
else
{
res = SzArEx_Extract(&db, &lookStream.s, i,
&blockIndex, &outBuffer, &outBufferSize,
&offset, &outSizeProcessed,
&allocImp, &allocTempImp);
if (res != SZ_OK)
break;
}
if (1)
{
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 (1)
{
name[j] = 0;
MyCreateDir(name);
name[j] = CHAR_PATH_SEPARATOR;
}
else
destPath = name + j + 1;
}
if (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;
}
};
continue;
};
};
};
};