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VPatch 2.0 final

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2798 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
joostverburg 2003-08-11 16:42:41 +00:00
parent 2449fbc6bd
commit 6dd280b24f
22 changed files with 3566 additions and 14 deletions
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273
Contrib/VPatch/Source/Plugin/vpatchdll.c Normal file
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#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include "..\..\..\ExDLL\exdll.h"
int DoPatch(HANDLE hPatch, HANDLE hSource, HANDLE hDest);
void strcopy(char *tgt, const char *src);
char* chop_arg(char **args);
#define PATCH_SUCCESS 0
#define PATCH_ERROR 1
#define PATCH_CORRUPT 2
#define PATCH_NOMATCH 3
#define PATCH_UPTODATE 4
#define FILE_ERR_PATCH 5
#define FILE_ERR_SOURCE 6
#define FILE_ERR_DEST 7
HINSTANCE g_hInstance;
HWND g_hwndParent;
void __declspec(dllexport) vpatchfile(HWND hwndParent, int string_size,
char *variables, stack_t **stacktop)
{
g_hwndParent=hwndParent;
EXDLL_INIT();
// note if you want parameters from the stack, pop them off in order.
// i.e. if you are called via exdll::myFunction file.dat poop.dat
// calling popstring() the first time would give you file.dat,
// and the second time would give you poop.dat.
// you should empty the stack of your parameters, and ONLY your
// parameters.
// do your stuff here
{
static char source[1024];
static char dest[1024];
static char exename[1024];
HANDLE hPatch, hSource, hDest;
int result;
popstring(exename);
popstring(source);
popstring(dest);
hPatch = CreateFile(exename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hPatch == INVALID_HANDLE_VALUE) {
pushstring("Unable to open patch file");
return;
}
hSource = CreateFile(source, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
if (hSource == INVALID_HANDLE_VALUE) {
pushstring("Unable to open source file");
return;
}
hDest = CreateFile(dest, GENERIC_READ | GENERIC_WRITE, 0, NULL,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, 0);
if (hDest == INVALID_HANDLE_VALUE) {
pushstring("Unable to open output file");
return;
}
result = DoPatch(hPatch, hSource, hDest);
CloseHandle(hDest);
CloseHandle(hSource);
CloseHandle(hPatch);
if ((result != PATCH_SUCCESS)) {
if (result == PATCH_ERROR)
pushstring("An error occured while patching");
else if (result == PATCH_CORRUPT)
pushstring("Patch data is invalid or corrupt");
else if (result == PATCH_NOMATCH)
pushstring("No suitable patches were found");
else if (result == PATCH_UPTODATE)
pushstring("OK, new version already installed");
DeleteFile(dest);
} else {
pushstring("OK");
}
return;
}
}
BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
{
g_hInstance=hInst;
return TRUE;
}
UINT CRCTable[256];
BOOL bInitCRC = FALSE;
_inline void InitCRC() {
int i, j; unsigned long c;
for (c = i = 0; i < 256; c = ++i) {
for (j = 0; j < 8; j++) {
if (c & 1) c = (c>>1) ^ 0xEDB88320;
else c >>= 1;
}
CRCTable[i] = c;
}
bInitCRC = TRUE;
}
#define CRCBLOCKSIZE 4096
BOOL FileCRC(HANDLE hFile, DWORD *crc) {
static BYTE crcblock[CRCBLOCKSIZE];
DWORD read;
BYTE *p;
UINT c = 0xFFFFFFFF;
if (bInitCRC == FALSE)
InitCRC();
SetFilePointer(hFile, 0, NULL, FILE_BEGIN);
do {
if (ReadFile(hFile, crcblock, CRCBLOCKSIZE, &read, NULL) == FALSE)
return FALSE;
for (p = crcblock; p < crcblock + read; p++)
c = CRCTable[(c & 0xFF) ^ *p] ^ (c >> 8);
} while (read);
*crc = (c ^ 0xFFFFFFFF);
return TRUE;
}
#define BLOCKSIZE 16384
int DoPatch(HANDLE hPatch, HANDLE hSource, HANDLE hDest) {
static char block[BLOCKSIZE];
unsigned long temp = 0;
unsigned long read;
unsigned long source_crc = 0;
unsigned long patch_dest_crc = 0;
long patches = 0;
int already_uptodate = 0;
// special 'addition' for the dll: since the patch file is now
// in a seperate file, the VPAT header might be right at the start
// of the file, and a pointer at the end of the file is probably missing
// (because all patch generator versions don't append it, the linker/gui
// does this).
SetFilePointer(hPatch, 0, NULL, FILE_BEGIN);
ReadFile(hPatch, &temp, 4, &read, NULL);
// it's not at the start of file -> there must be a pointer at the end of
// file then
if (temp != 0x54415056) {
SetFilePointer(hPatch, -4, NULL, FILE_END);
ReadFile(hPatch, &temp, 4, &read, NULL);
SetFilePointer(hPatch, temp, NULL, FILE_BEGIN);
ReadFile(hPatch, &temp, 4, &read, NULL);
if (temp != 0x54415056)
return PATCH_CORRUPT;
}
if (!FileCRC(hSource, &source_crc))
return PATCH_ERROR;
ReadFile(hPatch, &patches, 4, &read, NULL);
while (patches--) {
long patch_blocks = 0, patch_size = 0;
unsigned long patch_source_crc = 0;
ReadFile(hPatch, &patch_blocks, 4, &read, NULL);
ReadFile(hPatch, &patch_source_crc, 4, &read, NULL);
ReadFile(hPatch, &patch_dest_crc, 4, &read, NULL);
ReadFile(hPatch, &patch_size, 4, &read, NULL);
//added by Koen - check to see if it's already up-to-date for some patch (so
//we can tell NSIS this isn't an error, but we already have the latest version)
if (source_crc == patch_dest_crc) {
already_uptodate = 1;
}
if (source_crc == patch_source_crc) {
while (patch_blocks--) {
unsigned char blocktype = 0;
unsigned long blocksize = 0;
ReadFile(hPatch, &blocktype, 1, &read, NULL);
switch (blocktype) {
case 1:
case 2:
case 3:
if (blocktype == 1)
{ unsigned char x; blocksize = ReadFile(hPatch,&x,1,&read,NULL)? x:0; }
else if (blocktype == 2)
{ unsigned short x; blocksize = ReadFile(hPatch,&x,2,&read,NULL)? x:0; }
else
{ unsigned long x; blocksize = ReadFile(hPatch,&x,4,&read,NULL)? x:0; }
if (!blocksize || !ReadFile(hPatch, &temp, 4, &read, NULL) || read != 4)
return PATCH_CORRUPT;
SetFilePointer(hSource, temp, 0, FILE_BEGIN);
do {
ReadFile(hSource, block, min(BLOCKSIZE, blocksize), &read, NULL);
WriteFile(hDest, block, read, &temp, NULL);
if (temp != min(BLOCKSIZE, blocksize))
return PATCH_ERROR;
blocksize -= temp;
} while (temp);
break;
case 5:
case 6:
case 7:
if (blocktype == 5)
{ unsigned char x; blocksize = ReadFile(hPatch,&x,1,&read,NULL)? x:0; }
else if (blocktype == 6)
{ unsigned short x; blocksize = ReadFile(hPatch,&x,2,&read,NULL)? x:0; }
else
{ unsigned long x; blocksize = ReadFile(hPatch,&x,4,&read,NULL)? x:0; }
if (!blocksize)
return PATCH_CORRUPT;
do {
ReadFile(hPatch, block, min(BLOCKSIZE, blocksize), &read, NULL);
WriteFile(hDest, block, read, &temp, NULL);
if (temp != min(BLOCKSIZE, blocksize))
return PATCH_ERROR;
blocksize -= temp;
} while (temp);
break;
default:
return PATCH_CORRUPT;
}
}
{
unsigned long dest_crc = 0;
FileCRC(hDest, &dest_crc);
if (dest_crc != patch_dest_crc)
return PATCH_ERROR;
return PATCH_SUCCESS;
}
} else {
SetFilePointer(hPatch, patch_size, NULL, FILE_CURRENT);
}
}
//added by Koen - if already up to date, it doesn't matter that we didn't match
if(already_uptodate) {
return PATCH_UPTODATE;
} else {
return PATCH_NOMATCH;
}
}

108
Contrib/VPatch/Source/Plugin/vpatchdll.dsp Normal file
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# Microsoft Developer Studio Project File - Name="vpatchdll" - Package Owner=<4>
# Microsoft Developer Studio Generated Build File, Format Version 6.00
# ** DO NOT EDIT **
# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
CFG=vpatchdll - Win32 Debug
!MESSAGE This is not a valid makefile. To build this project using NMAKE,
!MESSAGE use the Export Makefile command and run
!MESSAGE
!MESSAGE NMAKE /f "vpatchdll.mak".
!MESSAGE
!MESSAGE You can specify a configuration when running NMAKE
!MESSAGE by defining the macro CFG on the command line. For example:
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!MESSAGE NMAKE /f "vpatchdll.mak" CFG="vpatchdll - Win32 Debug"
!MESSAGE
!MESSAGE Possible choices for configuration are:
!MESSAGE
!MESSAGE "vpatchdll - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE "vpatchdll - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
!MESSAGE
# Begin Project
# PROP AllowPerConfigDependencies 0
# PROP Scc_ProjName ""
# PROP Scc_LocalPath ""
CPP=cl.exe
MTL=midl.exe
RSC=rc.exe
!IF "$(CFG)" == "vpatchdll - Win32 Release"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 0
# PROP BASE Output_Dir "Release"
# PROP BASE Intermediate_Dir "Release"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 0
# PROP Output_Dir "Release"
# PROP Intermediate_Dir "Release"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "vpatchdll_EXPORTS" /YX /FD /c
# ADD CPP /nologo /MT /W3 /GX /O1 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "vpatchdll_EXPORTS" /YX /FD /c
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BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /machine:I386
# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /entry:"_DllMainCRTStartup" /dll /machine:I386 /nodefaultlib /out:"..\..\..\..\Plugins\VPatch.dll" /opt:nowin98
# SUBTRACT LINK32 /pdb:none
!ELSEIF "$(CFG)" == "vpatchdll - Win32 Debug"
# PROP BASE Use_MFC 0
# PROP BASE Use_Debug_Libraries 1
# PROP BASE Output_Dir "Debug"
# PROP BASE Intermediate_Dir "Debug"
# PROP BASE Target_Dir ""
# PROP Use_MFC 0
# PROP Use_Debug_Libraries 1
# PROP Output_Dir "Debug"
# PROP Intermediate_Dir "Debug"
# PROP Ignore_Export_Lib 0
# PROP Target_Dir ""
# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "vpatchdll_EXPORTS" /YX /FD /GZ /c
# ADD CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "vpatchdll_EXPORTS" /YX /FD /GZ /c
# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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# ADD RSC /l 0x409 /d "_DEBUG"
BSC32=bscmake.exe
# ADD BASE BSC32 /nologo
# ADD BSC32 /nologo
LINK32=link.exe
# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /pdbtype:sept
# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /dll /debug /machine:I386 /out:"Debug/VPatch.dll" /pdbtype:sept
!ENDIF
# Begin Target
# Name "vpatchdll - Win32 Release"
# Name "vpatchdll - Win32 Debug"
# Begin Group "Source Files"
# PROP Default_Filter "cpp;c;cxx;rc;def;r;odl;idl;hpj;bat"
# Begin Source File
SOURCE=.\vpatchdll.c
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# PROP Default_Filter ""
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# PROP Default_Filter "ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe"
# End Group
# End Target
# End Project

29
Contrib/VPatch/Source/Plugin/vpatchdll.dsw Normal file
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Microsoft Developer Studio Workspace File, Format Version 6.00
# WARNING: DO NOT EDIT OR DELETE THIS WORKSPACE FILE!
###############################################################################
Project: "vpatchdll"=.\vpatchdll.dsp - Package Owner=<4>
Package=<5>
{{{
}}}
Package=<4>
{{{
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###############################################################################
Global:
Package=<5>
{{{
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Package=<3>
{{{
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