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TRar.cpp
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1248 lines (1142 loc) · 37 KB
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//TRar.cpp
#include "stdafx.h"
#include "TRar.h"
/////////////////////////////////////////////////////////////////////////////
//FUNCTIONS PRIVATE
/////////////////////////////////////////////////////////////////////////////
HMODULE TRar::
LoadPlugin(LPCSTR lpLibFileName)
{
#ifdef _M_AMD64
char *name, *ext;
char lpLibFilePath64[MAX_PATH] = { 0 };
char lpLibFileName64[MAX_PATH] = { 0 };
strcpy_s(lpLibFilePath64, MAX_PATH, lpLibFileName);
if ((name = (char*)strrchr(lpLibFilePath64, '\\')))
{
if (strstr(name + 1, "64") == NULL)
{
if ((ext = (char*)strrchr(lpLibFilePath64, '.')))
{
*ext++ = '\0';
*name++ = '\0';
snprintf(lpLibFileName64, sizeof(lpLibFileName64), "%s\\%s%s.%s", lpLibFilePath64, name, "64", ext);
if (GetFileAttributes(lpLibFileName64) != INVALID_FILE_ATTRIBUTES)
{
return LoadLibrary(lpLibFileName64);
}
}
}
}
#endif
return LoadLibrary(lpLibFileName);
}
//prochitat' kommentariy arhiva
//return
// MSG - resul'tat vipolneniya
int TRar::
ReadComment()
{
return AnalyzeInfoOfArc5(m_pTargetFile, true);
}
//opredelenie nomera toma dlya mnogotomnogo arhiva
//path - imya faila arhiva
void TRar::
DefineNumberVolume(char* path)
{
char* strnum = 0;
char* substr = 0;
int size = strlen(path);
//stariy sposob numeracii tomov *.rXX
if (size < 2) return; //proverka dlini imeni
strnum = path + size - 2; //videlenie poslednih 2h simvolov
//proverka na rasshirenie RAR
if ((strcmp(strnum, "AR") == 0) ||
(strcmp(strnum, "Ar") == 0) ||
(strcmp(strnum, "aR") == 0) ||
(strcmp(strnum, "ar") == 0))
m_VolumeNumber += 1;
else
{
m_VolumeNumber = atoi(strnum);
//esli m_VolumeNumber = 0 znachit ne opredeleno
if (m_VolumeNumber != 0) //0 - error ili "00"
m_VolumeNumber += 2;
else
if (strnum = "00") m_VolumeNumber = 2;
}
//noviy sposob numeracii tomov *.partN.rar
substr = strstr(path, ".part");
if (!substr) return;
substr = substr + strlen(".part");
if (strlen(substr) >= 5) //minimum ostavshegosya (1.rar) = 6
{
strnum = strstr(substr, "."); //ishem tochu pered rasshireniem
if (substr)
{
int len = strnum - substr; //kolichestvo cifr (.part1) = 1
int back = strlen(strnum); //simvolov posle cifr (.rar) = 4
if (len)
{
strnum = new char[len+1];
for (int i=0; i<len; i++) //kopiruem cifru
strnum[i] = substr[strlen(substr) - back - len + i];
strnum[len] = '\0';
m_VolumeNumber = atoi(strnum);
if (strnum) {delete[] strnum; strnum = 0;}
}
}
}
}
//proverka markera fayla MARK_HEAD
//head - structura zagolovka bloka (marker)
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeMarkHead(RAR_BLOCK_HEAD& head)
{
if ((head.HEAD_CRC1 != 0x52) ||
(head.HEAD_CRC2 != 0x61) ||
(head.HEAD_TYPE != 0x72) ||
(head.HEAD_FLAGS1 != 0x21) ||
(head.HEAD_FLAGS2 != 0x1a) ||
(head.HEAD_SIZE1 != 0x07) ||
(head.HEAD_SIZE2 != 0x00)) return TERROR_FORMAT;
return TMESSAGE_OK;
}
//obrabotka zagolovka arhiva MAIN_HEAD
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeMainHead(RAR_BLOCK_HEAD& head)
{
WORD HEAD_FLAGS = 0;
if (head.HEAD_TYPE != 0x73) return TERROR_FORMAT;
//soberem HEAD_FLAGS
HEAD_FLAGS = TakeWord(head.HEAD_FLAGS1, head.HEAD_FLAGS2);
//mnogotomniy arhiv
if (HEAD_FLAGS & 0x0001) m_MultiArc = TRUE;
//komentariy
if (HEAD_FLAGS & 0x0002) m_MainComment = TRUE;
//arhiv zablokirovan
if (HEAD_FLAGS & 0x0004) m_ArchiveLock = TRUE;
//arhiv neprerivniy
if (HEAD_FLAGS & 0x0008) m_Solid = TRUE;
//est' elektronnaya podpis'
if (HEAD_FLAGS & 0x0020) m_AuthVerification = TRUE;
//est' infa dlya vosstanovleniya
if (HEAD_FLAGS & 0x0040) m_RecoveryRecord = TRUE;
m_loffset = 6; //RESERVED1(WORD) + RESERVED2(DWORD)
return TMESSAGE_OK;
}
//obrabotka zagolovka fayla/papki
//head - struktura zagolovka bloka
//return
// BlockType - tip bloka
// 0 - neizvestno
// 1 - fayl
// 2 - papka
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeFileHead(RAR_BLOCK_HEAD& head, int& BlockType)
{
WORD twrd = 0;
WORD HEAD_FLAGS = 0;
WORD NAME_SIZE = 0;
DWORD PACK_SIZE = 0;
DWORD UNP_SIZE = 0;
DWORD FTIME = 0;
DWORD ATTR = 0;
DWORD HIGH_PACK_SIZE = 0;
DWORD HIGH_UNP_SIZE = 0;
MSG = ReadArc(&m_FILE_HEAD, sizeof(m_FILE_HEAD));
if (MSG != TMESSAGE_OK) return MSG;
//prochitana eshe structura FILE_HEAD
m_loffset -= sizeof(m_FILE_HEAD);
//sabrat' dannie iz BYTEs
HEAD_FLAGS = TakeWord(head.HEAD_FLAGS1, head.HEAD_FLAGS2);
NAME_SIZE = TakeWord(m_FILE_HEAD.NAME_SIZE1, m_FILE_HEAD.NAME_SIZE2);
PACK_SIZE = TakeDWord(
TakeWord(m_FILE_HEAD.PACK_SIZE1, m_FILE_HEAD.PACK_SIZE2),
TakeWord(m_FILE_HEAD.PACK_SIZE3, m_FILE_HEAD.PACK_SIZE4));
UNP_SIZE = TakeDWord(
TakeWord(m_FILE_HEAD.UNP_SIZE1, m_FILE_HEAD.UNP_SIZE2),
TakeWord(m_FILE_HEAD.UNP_SIZE3, m_FILE_HEAD.UNP_SIZE4));
FTIME = TakeDWord(
TakeWord(m_FILE_HEAD.FTIME1, m_FILE_HEAD.FTIME2),
TakeWord(m_FILE_HEAD.FTIME3, m_FILE_HEAD.FTIME4));
ATTR = TakeDWord(
TakeWord(m_FILE_HEAD.ATTR1, m_FILE_HEAD.ATTR2),
TakeWord(m_FILE_HEAD.ATTR3, m_FILE_HEAD.ATTR4));
//est' li parol'?
if (HEAD_FLAGS & 0x0004) m_Password = TRUE;
//est' li komentariy fayla?
if (HEAD_FLAGS & 0x0008) m_FileComment = TRUE;
//razmer slovarya
//ispol'zuem promejutochnoe twrd t.k.
//v chislah po neskol'ko edinic v dvoichnom vide
//i mojet vozniknut' oshibka esli sovpadet tol'ko po odnoy edinice
unsigned DictSize = 64;
if (HEAD_FLAGS & 0x0020) DictSize = 128;
if (HEAD_FLAGS & 0x0040) DictSize = 256;
if ((twrd=(HEAD_FLAGS & 0x0060)) == 0x0060) DictSize = 512;
if (HEAD_FLAGS & 0x0080) DictSize = 1024;
if ((twrd=(HEAD_FLAGS & 0x00A0)) == 0x00A0) DictSize = 2048;
if ((twrd=(HEAD_FLAGS & 0x00C0)) == 0x00C0) DictSize = 4096;
if ((twrd=(HEAD_FLAGS & 0x00E0)) == 0x00E0)
{
DictSize = 0;
BlockType = 2;
m_NumberFolders++; //znachit v arhive eshe 1 papka
}
else
{
BlockType = 1;
m_NumberFiles++; //znachit v arhive eshe 1 fayl
}
if (m_DictionarySize < DictSize) m_DictionarySize = DictSize;
//est' li polya HIGH_SIZE
if (HEAD_FLAGS & 0x0100)
{
MSG = ReadArc(&HIGH_PACK_SIZE, sizeof(HIGH_PACK_SIZE));
if (MSG != TMESSAGE_OK) return MSG;
//prochitana eshe structura HIGH_PACK_SIZE
m_loffset -= sizeof(HIGH_PACK_SIZE);
MSG = ReadArc(&HIGH_UNP_SIZE, sizeof(HIGH_UNP_SIZE));
if (MSG != TMESSAGE_OK) return MSG;
//prochitana eshe structura HIGH_UNP_SIZE
m_loffset -= sizeof(HIGH_UNP_SIZE);
//zapomnim chto chislo bol'shoe (razmer - smeshenie dlya >2Gb <4Gb)
m_BigOffset = TRUE;
}
//imena faylov v yunikode?
if (HEAD_FLAGS & 0x0200) m_Unicode = TRUE;
//propustit' ostavshuyusyu infu bloka
MSG = SeekArc(m_loffset, NULL);
if(MSG != TMESSAGE_OK) return MSG;
//sam upakovanniy fayl
m_loffset = PACK_SIZE;
m_hoffset = HIGH_PACK_SIZE;
double UnpVer = 0;
BYTE Method = 0;
m_PackSizeFiles += TakeLong(PACK_SIZE, HIGH_PACK_SIZE);
m_UnpackSizeFiles += TakeLong(UNP_SIZE, HIGH_UNP_SIZE);
m_HostOS = m_FILE_HEAD.HOST_OS;
UnpVer = (double)m_FILE_HEAD.UNP_VER / 10.0;
if (m_UnpackVersion < UnpVer) m_UnpackVersion = UnpVer;
Method = m_FILE_HEAD.METHOD;
if (m_MethodPack < Method) m_MethodPack = Method;
return TMESSAGE_OK;
}
//obrabotka bloka kommentariya (stariy)
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeComment75h(RAR_BLOCK_HEAD& head)
{
m_MainComment = TRUE;
//propustim kak neizvestniy
return UnknownBlock(head);
}
//obrabotka elektronnoy podpisi (stariy)
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeAuthVer76h(RAR_BLOCK_HEAD& head)
{
//infu:
// -imya arhiva
// -data sozdaniya
// -vremya sozdaniya
// -imya avtora
//ne viudit' tak kak ona zajata/zashifrovana
m_AuthVerification = TRUE;
//propustim kak neizvestniy
return UnknownBlock(head);
}
//obrabotka elektronnoy podpisi (stariy)
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeAuthVer79h(RAR_BLOCK_HEAD& head)
{
char DateAV[11];
char TimeAV[9];
char* FileName = 0;
char* AuthorName = 0;
WORD SIZE = 0;
WORD SIZE_FILE_NAME = 0;
WORD SIZE_AUTHOR_NAME = 0;
DWORD FTIME = 0;
//prochitat' vremya i datu elektronnoy podpisi
MSG = ReadArc(&FTIME, sizeof(FTIME));
if (MSG != TMESSAGE_OK) return MSG;
m_loffset -= sizeof(FTIME);
DateTimeDosFormat(FTIME, DateAV, TimeAV);
//prochitaem razmer imeni fayla arhiva
MSG = ReadArc(&SIZE_FILE_NAME, sizeof(SIZE_FILE_NAME));
if (MSG != TMESSAGE_OK) return MSG;
m_loffset -= sizeof(SIZE_FILE_NAME);
//prochitaem razmer imeni avtora fayla arhiva
MSG = ReadArc(&SIZE_AUTHOR_NAME, sizeof(SIZE_AUTHOR_NAME));
if (MSG != TMESSAGE_OK) return MSG;
m_loffset -= sizeof(SIZE_AUTHOR_NAME);
//prochitaem imya fayla arhiva
FileName = new char[SIZE_FILE_NAME+1];
FileName[SIZE_FILE_NAME] = '\0';
MSG = ReadArc(FileName, SIZE_FILE_NAME);
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
return MSG;
}
m_loffset -= SIZE_FILE_NAME;
//prochitaem imya avtora fayla arhiva
AuthorName = new char[SIZE_AUTHOR_NAME+1];
AuthorName[SIZE_AUTHOR_NAME] = '\0';
MSG = ReadArc(AuthorName, SIZE_AUTHOR_NAME);
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
if (AuthorName) { delete[] AuthorName; AuthorName = 0; }
return MSG;
}
m_loffset -= SIZE_AUTHOR_NAME;
//sostavim stroku elektronnoy podpisi
SIZE = strlen(FileName) +
1 + strlen(DateAV) +
1 + strlen(TimeAV) +
1 + strlen(AuthorName);
if (m_pAuthVerification) { delete[] m_pAuthVerification; m_pAuthVerification = 0; }
m_pAuthVerification = new char[SIZE+1];
strcpy(m_pAuthVerification, FileName);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, DateAV);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, TimeAV);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, AuthorName);
m_AuthVerification = TRUE;
if (FileName) { delete[] FileName; FileName = 0; }
if (AuthorName) { delete[] AuthorName; AuthorName = 0; }
return TMESSAGE_OK;
}
//obrabotka bloka dlya vosstanovleniya (stariy)
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeRecovRec78h(RAR_BLOCK_HEAD& head)
{
WORD HEAD_FLAGS = 0;
DWORD ADD_SIZE = 0;
//sabrat' HEAD_FLAGS iz BYTEs
HEAD_FLAGS = TakeWord(head.HEAD_FLAGS1, head.HEAD_FLAGS2);
//est' li pole ADD_SIZE?
if (HEAD_FLAGS & 0x8000)
{
MSG = ReadArc(&ADD_SIZE, sizeof(ADD_SIZE));
if (MSG != TMESSAGE_OK) return MSG;
//prochitano eshe WORD
m_loffset -= sizeof(ADD_SIZE);
//dobavlenie k razmeru bloka
m_loffset += ADD_SIZE;
}
m_RecoveryRecord = ADD_SIZE;
return TMESSAGE_OK;
}
//obrabotka subbloka (stariy)
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeSubblok77h(RAR_BLOCK_HEAD& head, int& BlockType)
{
//propustim kak neizvestniy
return UnknownBlock(head);
}
//obrabotka subbloka
//head - struktura zagolovka bloka
//return
// BlockType - tip subbloka
// 0 - neizvestno
// 1 - elektronnaya podpis'
// 2 - zapis' dlya vosstanovleniya
// 3 - arhivniy kommentariy
// 4 - kommentariy fayla
// MSG - resul'tat vipolneniya
int TRar::
AnalyzeSubblok7Ah(RAR_BLOCK_HEAD& head, int& BlockType)
{
WORD HEAD_FLAGS = 0;
DWORD ADD_SIZE = 0;
DWORD FTIME = 0;
//sabrat' HEAD_FLAGS iz BYTEs
HEAD_FLAGS = TakeWord(head.HEAD_FLAGS1, head.HEAD_FLAGS2);
//est' li pole ADD_SIZE?
if (HEAD_FLAGS & 0x8000)
{
MSG = ReadArc(&m_FILE_HEAD, sizeof(m_FILE_HEAD));
if (MSG != TMESSAGE_OK) return MSG;
//prochitano eshe strlen(m_FILE_HEAD)
m_loffset -= sizeof(m_FILE_HEAD);
//soberem ADD_SIZE
ADD_SIZE = TakeDWord(
TakeWord(m_FILE_HEAD.PACK_SIZE1, m_FILE_HEAD.PACK_SIZE2),
TakeWord(m_FILE_HEAD.PACK_SIZE3, m_FILE_HEAD.PACK_SIZE4));
//dobavlenie k razmeru bloka
m_loffset += ADD_SIZE;
const int len = 2;
char buffer[len] = {NULL};
MSG = ReadArc(buffer, len);
if (MSG != TMESSAGE_OK) return MSG;
//prochitano eshe "len"
m_loffset -= len;
//podtip subbloka electronnaya podpis' "AV"
if ((buffer[0] == 'A') && (buffer[1] == 'V'))
{
BlockType = 1;
char DateAV[11];
char TimeAV[9];
char* FileName = 0;
char* AuthorName = 0;
WORD SIZE = 0;
//soberem vremya i datu elektronnoy podpisi
FTIME = TakeDWord(
TakeWord(m_FILE_HEAD.FTIME1, m_FILE_HEAD.FTIME2),
TakeWord(m_FILE_HEAD.FTIME3, m_FILE_HEAD.FTIME4));
DateTimeDosFormat(FTIME, DateAV, TimeAV);
//prochitaem imya fayla arhiva
MSG = ReadArc(&SIZE, sizeof(SIZE));
if (MSG != TMESSAGE_OK) return MSG;
m_loffset -= sizeof(SIZE);
FileName = new char[SIZE+1];
FileName[SIZE] = '\0';
MSG = ReadArc(FileName, SIZE);
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
return MSG;
}
m_loffset -= SIZE;
//eto propusk 2 BYTEs
MSG = ReadArc(&SIZE, sizeof(SIZE));
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
return MSG;
}
m_loffset -= sizeof(SIZE);
//prochitaem imya avtora fayla arhiva
MSG = ReadArc(&SIZE, sizeof(SIZE));
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
return MSG;
}
m_loffset -= sizeof(SIZE);
AuthorName = new char[SIZE+1];
AuthorName[SIZE] = '\0';
MSG = ReadArc(AuthorName, SIZE);
if (MSG != TMESSAGE_OK)
{
if (FileName) { delete[] FileName; FileName = 0; }
if (AuthorName) { delete[] AuthorName; AuthorName = 0; }
return MSG;
}
m_loffset -= SIZE;
//sostavim stroku elektronnoy podpisi
SIZE = strlen(FileName) +
1 + strlen(DateAV) +
1 + strlen(TimeAV) +
1 + strlen(AuthorName);
if (m_pAuthVerification) { delete[] m_pAuthVerification; m_pAuthVerification = 0; }
m_pAuthVerification = new char[SIZE+1];
strcpy(m_pAuthVerification, FileName);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, DateAV);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, TimeAV);
strcat(m_pAuthVerification, "\n");
strcat(m_pAuthVerification, AuthorName);
m_AuthVerification = TRUE;
if (FileName) { delete[] FileName; FileName = 0; }
if (AuthorName) { delete[] AuthorName; AuthorName = 0; }
}
//podtip subbloka informaciya dlya vosstanovleniya "RRProtect+"
if ((buffer[0] == 'R') && (buffer[1] == 'R'))
{
BlockType = 2;
m_RecoveryRecord = ADD_SIZE;
}
//podtip subbloka kommentariy arhiva ili fayla "CMT"
if ((buffer[0] == 'C') && (buffer[1] == 'M'))
{
if ((m_NumberFiles > 0) || (m_NumberFolders > 0))
{
BlockType = 4;
m_FileComment = TRUE;
}
else
{
BlockType = 3;
m_MainComment = TRUE;
}
}
}
return TMESSAGE_OK;
}
//obrabotka neizvestnogo bloka
//head - struktura zagolovka bloka
//return
// MSG - resul'tat vipolneniya
int TRar::
UnknownBlock(RAR_BLOCK_HEAD& head)
{
WORD HEAD_FLAGS = 0;
DWORD ADD_SIZE = 0;
//sabrat' HEAD_FLAGS iz BYTEs
HEAD_FLAGS = TakeWord(head.HEAD_FLAGS1, head.HEAD_FLAGS2);
//est' li pole ADD_SIZE?
if (HEAD_FLAGS & 0x8000)
{
MSG = ReadArc(&ADD_SIZE, sizeof(ADD_SIZE));
if (MSG != TMESSAGE_OK) return MSG;
//prochitano eshe WORD
m_loffset -= sizeof(ADD_SIZE);
//dobavlenie k razmeru bloka
m_loffset += ADD_SIZE;
}
return TMESSAGE_OK;
}
/////////////////////////////////////////////////////////////////////////////
//FUNCTIONS PUBLIC
/////////////////////////////////////////////////////////////////////////////
//fayl yavlyaetsya arhivom RAR
//path - fayla dlya testirovaniya
//return
// TMESSAGE_OK - ok
// ERROR_OPEN_FILE - oshibka otckritiya fayla
// ERROR_READ_FILE - oshibka chteniya fayla
// ERROR_SEEK_FILE - oshibka smesheniya fayla
// SUDDEN_END_FILE - vnezapniy konec fayla
// ERROR_FORMAT - oshibka formata fayla
int TRar::
TestFile4(char* path)
{
//obnulenie dannih
InitialParametrs();
//otkrit' fayl dlya chteniya
m_h = CreateFile(path, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (m_h == INVALID_HANDLE_VALUE)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return TERROR_OPEN_FILE; }
//chtenie zagolovka Arhiva
MSG = ReadArc(&m_BLOCK_HEAD, sizeof(m_BLOCK_HEAD));
if (MSG != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
m_loffset = sizeof(m_BLOCK_HEAD);
//proverka markera fayla MARK_HEAD
MSG = AnalyzeMarkHead(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.MarkerArchive, MSG);
if (MSG != TMESSAGE_OK)
{
//mojet eto SFX arhiv
if (m_CheckSFX)
{
BOOL CheckSFX = FALSE; //bilali proverka na SFX modul
int Flag = TERROR_FORMAT;
WORD EXECUTABLE_ID = 0;
//vstaem v nachalo fayla
MSG = SeekArc(0, 0, FILE_BEGIN);
if (MSG != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
MSG = ReadArc(&EXECUTABLE_ID, sizeof(EXECUTABLE_ID));
if (MSG != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
if (EXECUTABLE_ID == 'ZM')
{
int len = m_MAX_LEN_SFX;
char *buffer = 0;
LONGLONG temp = 0;
CheckSFX = TRUE;
//ne perebrat' razmer arhiva
temp = GetArchSize() - GetArcPointer();
if (temp < len) len = (int)temp;
buffer = new char[len];
MSG = ReadArc(buffer, len);
if (MSG != TMESSAGE_OK)
{
if (buffer) { delete[] buffer; buffer = 0; }
if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG;
}
//iskat' metku arhiva
for (int i=0; i < len-6; i++)
{
if ((buffer[i] == 0x52) &&
(buffer[i+1] == 0x61) &&
(buffer[i+2] == 0x72) &&
(buffer[i+3] == 0x21) &&
(buffer[i+4] == 0x1a) &&
(buffer[i+5] == 0x07) &&
(buffer[i+6] == 0x00))
{
Flag = TMESSAGE_OK;
//smeshenie dlya dalneyshego razbora
m_loffset += i + sizeof(EXECUTABLE_ID);
m_SfxModule = i + sizeof(EXECUTABLE_ID);
if (buffer) { delete[] buffer; buffer = 0; }
break;
}
}
if (buffer) { delete[] buffer; buffer = 0; }
}
//SFX ili net
if ((m_DetailLF == 2) && (CheckSFX))
{
m_LogFile->WriteMessage(m_LangMsg.SFXModule, Flag);
if (Flag == TMESSAGE_OK)
m_LogFile->WriteMessage(m_LangMsg.MarkerArchive, Flag);
}
if (Flag != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return Flag; }
}
//ne proveryaem na SFX
else
{
//zakritie fayla
if (m_h) { ::CloseHandle(m_h); m_h = 0; }
return TERROR_FORMAT;
}
}
//zakritie fayla
if (m_h) { ::CloseHandle(m_h); m_h = 0; }
return TMESSAGE_OK;
}
//opredelit' parametri (info) arhiva
//path - fayla dlya analiza
//return
// TTERMINATE_THREAD - iskustvennoe zavershenie
// TMESSAGE_OK - ok
// ERROR_OPEN_FILE - oshibka otckritiya fayla
// ERROR_READ_FILE - oshibka chteniya fayla
// ERROR_SEEK_FILE - oshibka smesheniya fayla
// SUDDEN_END_FILE - vnezapniy konec fayla
// ERROR_FORMAT - oshibka formata fayla
int TRar::
AnalyzeInfoOfArc4(char* path)
{
//otkrit' fayl dlya chteniya
m_h = CreateFile(path, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (m_h == INVALID_HANDLE_VALUE)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return TERROR_OPEN_FILE; }
//razmer fayla arhiva
m_ArchiveSize = GetArchSize();
//razbor arhiva
WORD HEAD_SIZE = 0;
int flag = 0;
while(TRUE)
{
//esli rabochiy potok
if (m_BeginThread)
{
//procent vipolneniya raboti
LONGLONG percent = 0;
if (m_ArchiveSize) percent = 100 * GetArcPointer() / m_ArchiveSize;
if (m_Percent != percent) //chtob ne poslat' lishnie soobsheniya (oni tormozyat rabotu)
{
m_Percent = percent;
::PostMessage(m_hWnd, WM_THREAD_PERCENT, 0, (LPARAM)m_Percent);
}
//net lis sobitiya zavershit' rabotu potoka
if(::WaitForSingleObject(m_hEventEnd, 0) == WAIT_OBJECT_0)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return TTERMINATE_THREAD; }
}
//sdelat' smeshenie
if ((m_hoffset == 0) && (!m_BigOffset))
{
MSG = SeekArc(m_loffset, NULL);
if(MSG != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
}
else
{
MSG = SeekArc(m_loffset, &m_hoffset);
if(MSG != TMESSAGE_OK) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
//sbrosim flag (razmer - smeshenie dlya >2Gb <4Gb)
m_BigOffset = FALSE;
}
m_loffset = 0;
m_hoffset = 0;
//prochitat' sleduyushiy zagolovok bloka
flag = ReadArc(&m_BLOCK_HEAD, sizeof(m_BLOCK_HEAD));
if (flag == TERROR_READ_FILE) { if (m_h) { ::CloseHandle(m_h); m_h = 0; } return flag; }
//mojet fayl zakonchilsya
if (flag == TSUDDEN_END_FILE)
{
CountRatioArchiveSize();
CountRatioPackFileSize();
if (m_h) { ::CloseHandle(m_h); m_h = 0; }
//esli arhiv mnogotomniy opredelit' nomer toma
if (m_MultiArc) DefineNumberVolume(path);
//esli est' kommentariy arhiva, to prochitat' ego
if (m_MainComment)
{
MSG = ReadComment();
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.DLLReadArchiveComment, MSG);
}
return TMESSAGE_OK;
}
HEAD_SIZE = TakeWord(m_BLOCK_HEAD.HEAD_SIZE1, m_BLOCK_HEAD.HEAD_SIZE2);
//ostalos' neprochitano v bloke
m_loffset = HEAD_SIZE - sizeof(m_BLOCK_HEAD);
switch (m_BLOCK_HEAD.HEAD_TYPE)
{
//zagolovok arhiva
case 0x73: MSG = AnalyzeMainHead(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockArhiveHeader, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//zagolovok fayla
case 0x74: m_BlockType = 0;
MSG = AnalyzeFileHead(m_BLOCK_HEAD, m_BlockType);
if (m_DetailLF == 2)
{
switch(m_BlockType)
{
case 1: m_LogFile->WriteMessage(m_LangMsg.BlockFile, MSG);
break;
case 2: m_LogFile->WriteMessage(m_LangMsg.BlockFolder, MSG);
break;
default: m_LogFile->WriteMessage(m_LangMsg.BlockUnknown, MSG);
break;
}
}
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//kommentariy (stariy)
case 0x75: MSG = AnalyzeComment75h(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockArchiveComment, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//elektronnya podpis' (stariy)
case 0x76: MSG = AnalyzeAuthVer76h(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockAuthentityVerification, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//subblok (stariy)
case 0x77: m_BlockType = 0;
MSG = AnalyzeSubblok77h(m_BLOCK_HEAD, m_BlockType);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.SubBlockUnknown, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//informaciya dlya vosstanovleniya (stariy)
case 0x78: MSG = AnalyzeRecovRec78h(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockRecoveryRecord, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//elektronnya podpis' (stariy)
case 0x79: MSG = AnalyzeAuthVer79h(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockAuthentityVerification, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//subblok
case 0x7A: m_BlockType = 0;
MSG = AnalyzeSubblok7Ah(m_BLOCK_HEAD, m_BlockType);
if (m_DetailLF == 2)
{
switch(m_BlockType)
{
case 1: m_LogFile->WriteMessage(m_LangMsg.SubBlockAuthentityVerification, MSG);
break;
case 2: m_LogFile->WriteMessage(m_LangMsg.SubBlockRecoveryRecord, MSG);
break;
case 3: m_LogFile->WriteMessage(m_LangMsg.SubBlockArchiveComment, MSG);
break;
case 4: m_LogFile->WriteMessage(m_LangMsg.SubBlockFileComment, MSG);
break;
default: m_LogFile->WriteMessage(m_LangMsg.SubBlockUnknown, MSG);
break;
}
}
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
//konec arhiva
case 0x7B: CountRatioArchiveSize();
CountRatioPackFileSize();
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockArchiveEnd, TMESSAGE_OK);
if (m_h) { ::CloseHandle(m_h); m_h = 0; }
//esli arhiv mnogotomniy opredelit' nomer toma
if (m_MultiArc) DefineNumberVolume(path);
//esli est' kommentariy arhiva, to prochitat' ego
if (m_MainComment)
{
MSG = ReadComment();
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.DLLReadArchiveComment, MSG);
}
return TMESSAGE_OK;
break;
//neizvesniy blok
default: MSG = UnknownBlock(m_BLOCK_HEAD);
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.BlockUnknown, MSG);
if (MSG != TMESSAGE_OK)
{ if (m_h) { ::CloseHandle(m_h); m_h = 0; } return MSG; }
break;
}
}
}
int TRar::
AnalyzeFileHeadEx(RARHeaderDataEx& head, int& BlockType)
{
//est' li komentariy fayla?
if (head.CmtSize) m_FileComment = TRUE;
//v arhive eshe 1 fayl ili 1 papka
if (head.FileAttr & FILE_ATTRIBUTE_DIRECTORY)
{
BlockType = 2;
m_NumberFolders++;
}
else
{
BlockType = 1;
m_NumberFiles++;
}
double UnpVer = 0;
m_PackSizeFiles += TakeLong(head.PackSize, head.PackSizeHigh);
m_UnpackSizeFiles += TakeLong(head.UnpSize, head.UnpSizeHigh);
if (m_MethodPack < (short)head.Method) m_MethodPack = head.Method;
if (m_HostOS < (short)head.HostOS) m_HostOS = head.HostOS;
UnpVer = (double)head.UnpVer / 10.0;
if (m_UnpackVersion < UnpVer) m_UnpackVersion = UnpVer;
if (m_DictionarySize < head.DictSize) m_DictionarySize = head.DictSize;
if (head.Flags & RHDF_ENCRYPTED) m_Password = TRUE;
return TMESSAGE_OK;
}
int TRar::
TestFile5(char* path)
{
//ispol'zuyutsya storonnie plagini na vsyakiy sluchay
try
{
//obnulenie dannih
InitialParametrs();
//otkrit' fayl dlya chteniya
m_h = CreateFile(path, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (m_h == INVALID_HANDLE_VALUE)
{
if (m_h) { ::CloseHandle(m_h); m_h = 0; } return TERROR_OPEN_FILE;
}
//mojet eto SFX arhiv (nado li proveryat')
WORD EXECUTABLE_ID = 0;
MSG = ReadArc(&EXECUTABLE_ID, sizeof(EXECUTABLE_ID));
if (m_h) { ::CloseHandle(m_h); m_h = 0; }
if (MSG != TMESSAGE_OK) return MSG;
if (EXECUTABLE_ID == 'ZM')
{
m_SfxModule = 1;
if (!m_CheckSFX) return TERROR_FORMAT;
}
//teper' dll
HINSTANCE DllModule = 0;
RAROPENARCHIVEEX OpenArchive = 0;
RARREADHEADEREX ReadHeaderEx = 0;
RARPROCESSFILEW ProcessFile = 0;
RARCLOSEARCHIVE CloseArchive = 0;
char pUnRarDll[MAX_PATH] = { 0 };
//chtob put' bil real'nim bez vremennih okrujeniya
if (!::ExpandEnvironmentStrings(m_pUnArchiveDll, pUnRarDll, MAX_PATH))
strncpy(pUnRarDll, m_pUnArchiveDll, MAX_PATH);
//zagrujaem DLL
if ((DllModule = LoadPlugin(pUnRarDll)))
{
//nahodim nujnie funkcii
OpenArchive = (RAROPENARCHIVEEX)::GetProcAddress(DllModule, "RAROpenArchiveEx");
ReadHeaderEx = (RARREADHEADEREX) ::GetProcAddress(DllModule, "RARReadHeaderEx");
ProcessFile = (RARPROCESSFILEW) ::GetProcAddress(DllModule, "RARProcessFileW");
CloseArchive = (RARCLOSEARCHIVE) ::GetProcAddress(DllModule, "RARCloseArchive");
if ((OpenArchive) && (ReadHeaderEx) && (ProcessFile) && (CloseArchive))
{
HANDLE hArcData = 0;
memset(&m_OpenArchiveData, 0, sizeof(RAROpenArchiveDataEx));
m_OpenArchiveData.ArcName = path;
m_OpenArchiveData.OpenMode = RAR_OM_LIST;
hArcData = OpenArchive(&m_OpenArchiveData);
if (!hArcData)
{
if (hArcData) { CloseArchive(hArcData); hArcData = 0; }
if (DllModule) { ::FreeLibrary(DllModule); DllModule = 0; }
return TERROR_FORMAT;
}
//proverka resul'tata
if (!m_OpenArchiveData.OpenResult)
{
if (hArcData) { CloseArchive(hArcData); hArcData = 0; }
if (DllModule) { ::FreeLibrary(DllModule); DllModule = 0; }
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.SignatureArchive, TMESSAGE_OK);
return TMESSAGE_OK;
}
if (m_OpenArchiveData.OpenResult == ERAR_UNKNOWN_FORMAT)
{
if (m_DetailLF == 2)
m_LogFile->WriteMessage(m_LangMsg.SignatureArchive, TERROR_FORMAT);
if (hArcData) { CloseArchive(hArcData); hArcData = 0; }
if (DllModule) { ::FreeLibrary(DllModule); DllModule = 0; }
return TERROR_FORMAT;
}
else
{
if (m_DetailLF == 2)