/
illink.cpp
524 lines (497 loc) · 19.4 KB
/
illink.cpp
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// ===============================================================
//
// ILLINK -- Microsoft (R) .NET Framework IL Linker
//
// Author: Serge Lidin (slidin@microsoft.com)
//
// Version: 1.0 (April 05,2002)
//
// This source code is provided "as is" without any warranties of any kind
//
// ===============================================================
#include "windows.h"
#include <stdio.h>
#include <process.h>
#include <stdlib.h>
#include <wchar.h>
// Used for parsing the command line arguments
WCHAR* EqualOrColon(WCHAR* szArg)
{
WCHAR* pchE = wcschr(szArg,L'=');
WCHAR* pchC = wcschr(szArg,L':');
WCHAR* ret;
if(pchE == NULL) ret = pchC;
else if(pchC == NULL) ret = pchE;
else ret = (pchE < pchC)? pchE : pchC;
return ret;
}
// Used for eliminating the leading spaces of a text line
WCHAR* SkipBlanks(WCHAR* wz)
{
WCHAR* wch;
for(wch = wz; *wch == ' '; wch++); // ILDASM guarantees the strings are terminated
return wch;
}
// Used in search for resolution scopes and data labels
BOOL NotCommentOrLiteral(WCHAR* wzString, WCHAR* wzPtr)
{
BOOL fIsComment=FALSE;
BOOL fIsLiteral=FALSE;
for(WCHAR* wz=wzString; wz<wzPtr; wz++)
{
if(fIsLiteral)
{
if(*wz == '"') fIsLiteral = FALSE;
}
else
{
if(fIsComment)
{
if((*wz == '*')&&(*(wz+1)=='/')) {fIsComment = FALSE; wz++;}
}
else
{
if(*wz == '"') fIsLiteral = TRUE;
else if(*wz == '/')
{
if(*(wz+1)=='*') {fIsComment = TRUE; wz++;}
else if((*wz+1)=='/') {fIsComment = TRUE; break; }
}
}
}
}
return !(fIsComment || fIsLiteral);
}
// Used for data label modification according to file number: radix 64
WCHAR* EncodeInt(unsigned i)
{
static WCHAR* wzSymbol = L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz@$";
static WCHAR wzRet[3];
i &= 0xFFF; // actually, 0 <= i < 1024, but just in case...
wzRet[0] = wzSymbol[i >> 6];
wzRet[1] = wzSymbol[i & 0x3F];
wzRet[2] = 0;
return wzRet;
}
extern "C" int _cdecl wmain(int argc, WCHAR *argv[])
{
WCHAR wzOutputFilename[512];
WCHAR *pwzInputFile[1024];
WCHAR *pwzModuleName[1024];
unsigned i, j;
unsigned NumFiles = 0;
WCHAR szOpt[4];
int exitval=1;
bool bLogo = TRUE;
BOOL fAutoResFile = FALSE;
BOOL fDeleteIntermediateFiles = TRUE;
WCHAR wz[4096];
WCHAR wzOther[4096];
WCHAR *wzSubsystem=NULL, *wzComImageFlags=NULL, *wzFileAlignment=NULL, *wzDebug=NULL,
*wzBaseAddress=NULL,*wzKeySourceName=NULL,*wzResFile=NULL;
DWORD dwVTEntryBase=0,dwVTEntries,dwExportBase=0,dwExports;
OSVERSIONINFO osVerInfo;
osVerInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
if (!(GetVersionEx(&osVerInfo) && osVerInfo.dwPlatformId == VER_PLATFORM_WIN32_NT))
{
fprintf(stderr,"The ILLINK utility is not intended for Windows 9x and ME systems\n");
exit(1);
}
memset(wzOutputFilename,0,sizeof(wzOutputFilename));
if (argc < 3 || ! wcscmp(argv[1], L"/?") || ! wcscmp(argv[1],L"-?"))
{
printf("\nMicrosoft (R) .NET Framework IL Linker. Version 1.0\n\n");
ErrorExit:
printf("\n\nUsage: illink <files_being_linked> /out=<linked_file> [<options>]");
printf("\n\n The names of files being linked must maintain casing of respective");
printf("\n modules or assemblies. For example, if you link assembly System.Windows.Forms,");
printf("\n specify it as System.Windows.Forms.dll");
printf("\n\nOptions:");
printf("\n/RESOURCE=<res_file> Link the specified resource file (*.res) \n\t\t\tinto resulting .exe or .dll");
printf("\n/DEBUG Include debug information");
printf("\n/PRESERVE Don't delete the intermediate .IL files on exit");
printf("\n/KEY=<keyfile> Link with strong signature \n\t\t\t(<keyfile> contains private key)");
printf("\n/KEY=@<keysource> Link with strong signature \n\t\t\t(<keysource> is the private key source name)");
printf("\n/SUBSYSTEM=<int> Set Subsystem value in the NT Optional header");
printf("\n/FLAGS=<int> Set CLR ImageFlags value in the CLR header");
printf("\n/ALIGNMENT=<int> Set FileAlignment value in the NT Optional header");
printf("\n/BASE=<int> Set ImageBase value in the NT Optional header");
printf("\n\nKey may be '-' or '/'\nOptions are recognized by first 3 characters\n'=' and ':' in options are interchangeable\n\n");
if(argc >= 3) exitval = 0;
exit(exitval);
}
//-------------------------------------------------
for (i = 1; i < (unsigned)argc; i++)
{
if((argv[i][0] == L'/') || (argv[i][0] == L'-'))
{
wcsncpy(szOpt,&argv[i][1],3);
szOpt[3] = 0;
if (!_wcsicmp(szOpt, L"out"))
{
WCHAR *pStr = EqualOrColon(argv[i]);
if(pStr == NULL) goto ErrorExit;
for(pStr++; *pStr == L' '; pStr++); //skip the blanks
if(wcslen(pStr)==0) goto ErrorExit; //if no file name
wcscpy(wzOutputFilename,pStr);
}
else if (!_wcsicmp(szOpt, L"ali")) wzFileAlignment = argv[i];
else if (!_wcsicmp(szOpt, L"fla")) wzComImageFlags = argv[i];
else if (!_wcsicmp(szOpt, L"sub")) wzSubsystem = argv[i];
else if (!_wcsicmp(szOpt, L"bas")) wzBaseAddress = argv[i];
else if (!_wcsicmp(szOpt, L"deb")) wzDebug = argv[i];
else if (!_wcsicmp(szOpt, L"key")) wzKeySourceName = argv[i];
else if (!_wcsicmp(szOpt, L"res")) wzResFile = argv[i];
else if (!_wcsicmp(szOpt, L"pre")) fDeleteIntermediateFiles = FALSE;
else
{
fwprintf(stderr,L"Error : Invalid Option: %s", argv[i]);
goto ErrorExit;
}
}
else
{
for(j = 0; j < NumFiles; j++)
{
if(!_wcsicmp(argv[i],pwzInputFile[j])) break;
}
if(j >= NumFiles)
{
WCHAR *wc = wcsrchr(argv[i],'\\');
if(!wc) wc = wcsrchr(argv[i],':');
if(!wc) wc = argv[i];
else wc++;
if(NumFiles >= 1024)
{
fwprintf(stderr,L"Cannot link more than 1024 files.\n");
exit(1);
}
pwzModuleName[NumFiles] = wc;
pwzInputFile[NumFiles++] = argv[i];
}
else
fwprintf(stderr,L"Duplicate input file %s, ignored.\n",argv[i]);
}
}
if((NumFiles == 0)||(wzOutputFilename[0] == 0)) goto ErrorExit;
if(NumFiles == 1) // trivial case: nothing to link
{
wcscpy(wz,L"copy ");
wcscat(wz,pwzInputFile[0]);
wcscat(wz,L" ");
wcscat(wz,wzOutputFilename);
_wsystem(wz);
exit(0);
}
BOOL fAssemblyDeclared = FALSE;
BOOL fModuleDeclared = FALSE;
FILE *pTempIL, *pOutIL,*pOutHeader, *pOut;
system("mkdir illinktempdir");
pOutHeader = fopen("illinktempdir\\illinktempoutheader.il","wb");
if(pOutHeader==NULL)
{
fprintf(stderr,"Failed to open intermediate header file.\n");
exit(1);
}
fwrite("\377\376",2,1,pOutHeader); // UNICODE signature
pOutIL = fopen("illinktempdir\\illinktempoutfile.il","wb");
if(pOutIL==NULL)
{
fprintf(stderr,"Failed to open intermediate output file.\n");
fclose(pOutHeader);
DeleteFileA("illinktempoutheader.il");
exit(1);
}
//fwrite("\377\376",2,1,pOutIL); // UNICODE signature
SetCurrentDirectoryA(".\\illinktempdir");
for(i = 0; i < NumFiles; i++)
{
// 1. Disassemble the input file to temp. il file
wcscpy(wz,L"ildasm /nob /uni /out:illinktempinfile.il ");
if(wzDebug) wcscat(wz,L"/lin ");
if(wcschr(pwzInputFile[i],'\\')==NULL) wcscat(wz,L"..\\");
wcscat(wz,pwzInputFile[i]);
_wsystem(wz);
// 2. Pump temp. il file to output il file, editing as necessary
pTempIL = fopen("illinktempinfile.il","rb");
if(pTempIL == NULL)
{
fprintf(stderr,"Failed to open intermediate input file. Possible failure disassembling %s\n",pwzInputFile[i]);
fclose(pOutIL);
DeleteFileA("illinktempoutfile.il");
fclose(pOutHeader);
DeleteFileA("illinktempoutheader.il");
goto CleanUpAndExit;
}
// If the /RESOURCE= option is not specified, try using the .res file of first linked module
if((i==0)&&(wzResFile==NULL))
{
pOut = fopen("illinktempinfile.res","rb");
if(pOut)
{
fclose(pOut);
system("copy illinktempinfile.res illinkautores32.res");
fAutoResFile = TRUE;
}
}
DeleteFileA("illinktempinfile.res");
dwVTEntries = 0;
dwExports = 0;
fgetws(wz,4095,pTempIL);
fgetws(wz,4095,pTempIL);
fgetws(wz,4095,pTempIL);
pOut = pOutHeader; // Manifest and forward class decls go to header file
memset(wz,0,sizeof(wz));
while(fgetws(wz,4095,pTempIL))
{
WCHAR* wch = SkipBlanks(wz);
// 2.1. Skip the blank and comment lines
if(*wch == '\r') continue;
if((*wch == '/')&&(*(wch+1) == '/'))
{
if(wcsstr(wch,L"// =============== GLOBAL FIELDS AND METHODS")) pOut = pOutIL;
// Globals, class members and data go to IL file
continue;
}
// 2.2. Skip duplicate assembly decls
if(!wcsncmp(wch,L".assembly ",10))
{
BOOL fSkipToClosingBraceAndContinue=FALSE;
if(wcsncmp(wch,L".assembly extern",16))
{
if(fAssemblyDeclared) fSkipToClosingBraceAndContinue = TRUE;
else fAssemblyDeclared = TRUE;
}
else
{
WCHAR *wzAssemblyName = wzOther;
for(j = 0; j < NumFiles; j++)
{
wcscpy(wzAssemblyName,pwzModuleName[j]);
wch = wcsrchr(wzAssemblyName,'.');
if(wch) *wch = 0;
wch = wcsstr(wz,wzAssemblyName);
if(wch)
{
wch += wcslen(wzAssemblyName);
if((*wch == ' ')||(*wch == '\r')||(*wch == '\n'))
{
fSkipToClosingBraceAndContinue = TRUE;
break;
}
}
}
}
if(fSkipToClosingBraceAndContinue)
{
while(fgetws(wz,4095,pTempIL))
{
wch = SkipBlanks(wz);
if(*wch == '}') break;
}
}
else fputws(wz,pOut);
}
// 2.3. Skip module ref decls pertinent to linked files
else if(!wcsncmp(wch,L".module ",8))
{
if(!wcsncmp(wch,L".module extern ",15))
{
for(j = 0; j < NumFiles; j++)
{
wch = wcsstr(wz,pwzModuleName[j]);
if(wch) break;
}
if(j >= NumFiles) fputws(wz,pOut);
}
else
{
if(!fModuleDeclared)
{
fModuleDeclared = TRUE;
fputws(wz,pOut);
}
}
}
// 2.4. Skip file decls pertinent to linked files
else if(!wcsncmp(wch,L".file ",6))
{
for(j = 0; j < NumFiles; j++)
{
wch = wcsstr(wz,pwzModuleName[j]);
if(wch) break;
}
if(j < NumFiles) // .file can be followed by .entrypoint and .hash = (<bytearray>)
{
if(fgetws(wz,4095,pTempIL))
{
wch = SkipBlanks(wz);
if(!wcsncmp(wch,L".entrypoint",11))
{
wch = fgetws(wz,4095,pTempIL);
if(wch) wch = SkipBlanks(wz);
}
if(!wcsncmp(wch,L".hash = (",9))
{
do
{
wch = wcsstr(wz,L"//");
if(wch) *wch = 0; // cut off the comments which may contain anything
if(wcschr(wz,')')) break;
}
while(fgetws(wz,4095,pTempIL));
}
else fputws(wz,pOut);
}
}
else fputws(wz,pOut);
}
// 2.5. Skip exported type decls pertinent to linked files
else if(!wcsncmp(wch,L".class extern ",14))
{
WCHAR *wzNext = &wzOther[4000]; // next line is only opening brace
WCHAR *wzAfterNext = wzOther; // implementation
BOOL fWriteLines = TRUE;
if(!fgetws(wzNext,95,pTempIL)) continue;
if(!fgetws(wzAfterNext,3999,pTempIL)) continue;
wch = SkipBlanks(wzAfterNext);
if(!wcsncmp(wch,L".file ",6))
{
for(j = 0; j < NumFiles; j++)
{
wch = wcsstr(wz,pwzModuleName[j]);
if(wch) break;
}
if(j < NumFiles)
{
while(fgetws(wz,4095,pTempIL))
{
wch = SkipBlanks(wz);
if(*wch == '}') break;
}
fWriteLines = FALSE;
}
}
if(fWriteLines)
{
fputws(wz,pOut);
fputws(wzNext,pOut);
fputws(wzAfterNext,pOut);
}
}
else // No line skipping any more, in-line surgery
{
// 2.6. Shift .vtentry entry number, leave slot number as is
if(!wcsncmp(wch,L".vtentry ",9))
{
DWORD dwVTEntry;
WCHAR* wch1;
wch += 9;
wch1 = wcschr(wch,':'); // can't really be NULL -- it's ILDASM output
if(wch1)
{
*wch1 = 0;
swscanf(wch,L"%d",&dwVTEntry);
if(dwVTEntry > dwVTEntries) dwVTEntries = dwVTEntry;
if(dwVTEntryBase)
{
dwVTEntry += dwVTEntryBase;
wcscpy(wzOther,wch1+1);
swprintf(wch,L"%d :",dwVTEntry);
wcscat(wz,wzOther);
}
else *wch1 = ':';
}
}
// 2.7. Shift .export number
else if(!wcsncmp(wch,L".export [",9))
{
DWORD dwExport;
WCHAR* wch1;
wch += 9;
wch1 = wcschr(wch,']'); // can't really be NULL -- it's ILDASM output
if(wch1)
{
*wch1 = 0;
swscanf(wch,L"%d",&dwExport);
if(dwExport > dwExports) dwExports = dwExport;
if(dwExportBase)
{
dwExport += dwExportBase;
wcscpy(wzOther,wch1+1);
swprintf(wch,L"%d]",dwExport);
wcscat(wz,wzOther);
}
else *wch1 = ']';
}
}
// 2.8. Remove class ref res.scopes pertinent to linked files
for(j = 0; j < NumFiles; j++)
{
WCHAR *wzPattern = wzOther;
WCHAR *wcopen=NULL, *wcclose=wz;
wcscpy(wzPattern,pwzModuleName[j]);
wch = wcsrchr(wzPattern,'.');
if(wch) *wch = 0; // off with the extension
while((wcopen=wcschr(wcclose,'['))&&(wcclose=wcschr(wcopen,']')))
{
if(NotCommentOrLiteral(wz,wcopen))
{
if((wch = wcsstr(wcopen,wzPattern))&&(wch < wcclose))
{
wcclose++;
if(*wcclose == ':') wcclose+=2;
wcscpy(wcopen,wcclose);
wcclose = wcopen+1;
}
}
}
}
// 2.9. Modify data labels
while((wch = wcsstr(wz,L" D_00"))||(wch = wcsstr(wz,L" T_00")))
{
if(NotCommentOrLiteral(wz,wch))
{
wcscpy(wch+2,EncodeInt(i));
*(wch+4) = '0';
}
}
fputws(wz,pOut);
}
//
memset(wz,0,sizeof(wz));
} // end while(fgetws(wz,4095,pTempIL))
fclose(pTempIL);
DeleteFileA("illinktempinfile.il");
dwVTEntryBase += dwVTEntries;
dwExportBase += dwExports;
} // end for(i = 0; i < NumFiles; i++)
// 3. Close the output il file and assemble it
fclose(pOutHeader);
fclose(pOutIL);
_wsystem(L"copy /b illinktempoutheader.il+illinktempoutfile.il illinktemptotal.il");
wcscpy(wz,L"ilasm illinktemptotal.il /qui /out:");
if(wcschr(wzOutputFilename,'\\')==NULL) wcscat(wz,L"..\\");
wcscat(wz,wzOutputFilename);
if(wcsstr(wzOutputFilename,L".dll")||wcsstr(wzOutputFilename,L".DLL")) wcscat(wz,L" /dll");
if(wzDebug) { wcscat(wz,L" "); wcscat(wz,wzDebug); }
if(wzSubsystem) { wcscat(wz,L" "); wcscat(wz,wzSubsystem); }
if(wzComImageFlags) { wcscat(wz,L" "); wcscat(wz,wzComImageFlags); }
if(wzFileAlignment) { wcscat(wz,L" "); wcscat(wz,wzFileAlignment); }
if(wzBaseAddress) { wcscat(wz,L" "); wcscat(wz,wzBaseAddress); }
if(wzKeySourceName) { wcscat(wz,L" "); wcscat(wz,wzKeySourceName); }
if(wzResFile) { wcscat(wz,L" "); wcscat(wz,wzResFile); }
else if(fAutoResFile) wcscat(wz,L" /res:illinkautores32.res");
wcscat(wz,L" > ilasm.log");
_wsystem(wz);
SetCurrentDirectoryA("..\\");
exitval = 0;
CleanUpAndExit:
// Temporary files and directory removal
if(fDeleteIntermediateFiles)
{
system("del illinktempdir\\*.* /Q");
system("rmdir illinktempdir");
}
exit(exitval);
}