dlls/imagehlp/access.c

   1 /*
   2  *      IMAGEHLP library
   3  *
   4  *      Copyright 1998  Patrik Stridvall
   5  */
   6
   7 #include <string.h>
   8 #include "winbase.h"
   9 #include "winnt.h"
  10 #include "winerror.h"
  11 #include "windef.h"
  12 #include "debugtools.h"
  13 #include "imagehlp.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(imagehlp);
  16
  17 /***********************************************************************
  18  *           Data
  19  */
  20
  21 static PLOADED_IMAGE IMAGEHLP_pFirstLoadedImage=NULL;
  22 static PLOADED_IMAGE IMAGEHLP_pLastLoadedImage=NULL;
  23
  24 static LOADED_IMAGE IMAGEHLP_EmptyLoadedImage = {
  25   NULL,       /* ModuleName */
  26   0xffffffff, /* hFile */
  27   NULL,       /* MappedAddress */
  28   NULL,       /* FileHeader */
  29   NULL,       /* LastRvaSection */
  30   0,          /* NumberOfSections */
  31   NULL,       /* Sections */
  32   1,          /* Characteristics */
  33   FALSE,      /* fSystemImage */
  34   FALSE,      /* fDOSImage */
  35   { &IMAGEHLP_EmptyLoadedImage.Links, &IMAGEHLP_EmptyLoadedImage.Links }, /* Links */
  36   148,        /* SizeOfImage; */
  37 };
  38
  39 /***********************************************************************
  40  *              EnumerateLoadedModules (IMAGEHLP.@)
  41  */
  42 BOOL WINAPI EnumerateLoadedModules(
  43   HANDLE hProcess,
  44   PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
  45   PVOID UserContext)
  46 {
  47   FIXME("(0x%08x, %p, %p): stub\n",
  48     hProcess, EnumLoadedModulesCallback, UserContext
  49   );
  50   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  51   return FALSE;
  52 }
  53
  54 /***********************************************************************
  55  *              GetTimestampForLoadedLibrary (IMAGEHLP.@)
  56  */
  57 DWORD WINAPI GetTimestampForLoadedLibrary(HMODULE Module)
  58 {
  59   FIXME("(0x%08x): stub\n", Module);
  60   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  61   return 0;
  62 }
  63
  64 /***********************************************************************
  65  *              GetImageConfigInformation (IMAGEHLP.@)
  66  */
  67 BOOL WINAPI GetImageConfigInformation(
  68   PLOADED_IMAGE LoadedImage,
  69   PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
  70 {
  71   FIXME("(%p, %p): stub\n",
  72     LoadedImage, ImageConfigInformation
  73   );
  74   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  75   return FALSE;
  76 }
  77
  78 /***********************************************************************
  79  *              GetImageUnusedHeaderBytes (IMAGEHLP.@)
  80  */
  81 DWORD WINAPI GetImageUnusedHeaderBytes(
  82   PLOADED_IMAGE LoadedImage,
  83   LPDWORD SizeUnusedHeaderBytes)
  84 {
  85   FIXME("(%p, %p): stub\n",
  86     LoadedImage, SizeUnusedHeaderBytes
  87   );
  88   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  89   return 0;
  90 }
  91
  92 /***********************************************************************
  93  *              ImageDirectoryEntryToData (IMAGEHLP.@)
  94  */
  95 PVOID WINAPI ImageDirectoryEntryToData(
  96   PVOID Base, BOOLEAN MappedAsImage, USHORT DirectoryEntry, PULONG Size)
  97 {
  98   FIXME("(%p, %d, %hd, %p): stub\n",
  99     Base, MappedAsImage, DirectoryEntry, Size
 100   );
 101   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 102   return NULL;
 103 }
 104
 105 /***********************************************************************
 106  *              ImageLoad (IMAGEHLP.@)
 107  */
 108 PLOADED_IMAGE WINAPI ImageLoad(LPSTR DllName, LPSTR DllPath)
 109 {
 110   PLOADED_IMAGE pLoadedImage =
 111     HeapAlloc(IMAGEHLP_hHeap, 0, sizeof(LOADED_IMAGE));
 112   return pLoadedImage;
 113 }
 114
 115 /***********************************************************************
 116  *              ImageNtHeader (IMAGEHLP.@)
 117  */
 118 PIMAGE_NT_HEADERS WINAPI ImageNtHeader(PVOID Base)
 119 {
 120   return (PIMAGE_NT_HEADERS)
 121     ((LPBYTE) Base + ((PIMAGE_DOS_HEADER) Base)->e_lfanew);
 122 }
 123
 124 /***********************************************************************
 125  *              ImageRvaToSection (IMAGEHLP.@)
 126  */
 127 PIMAGE_SECTION_HEADER WINAPI ImageRvaToSection(
 128   PIMAGE_NT_HEADERS NtHeaders, PVOID Base, ULONG Rva)
 129 {
 130   FIXME("(%p, %p, %ld): stub\n", NtHeaders, Base, Rva);
 131   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 132   return NULL;
 133 }
 134
 135 /***********************************************************************
 136  *              ImageRvaToVa (IMAGEHLP.@)
 137  */
 138 PVOID WINAPI ImageRvaToVa(
 139   PIMAGE_NT_HEADERS NtHeaders, PVOID Base, ULONG Rva,
 140   PIMAGE_SECTION_HEADER *LastRvaSection)
 141 {
 142   FIXME("(%p, %p, %ld, %p): stub\n",
 143     NtHeaders, Base, Rva, LastRvaSection
 144   );
 145   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 146   return NULL;
 147 }
 148
 149 /***********************************************************************
 150  *              ImageUnload (IMAGEHLP.@)
 151  */
 152 BOOL WINAPI ImageUnload(PLOADED_IMAGE pLoadedImage)
 153 {
 154   LIST_ENTRY *pCurrent, *pFind;
 155   if(!IMAGEHLP_pFirstLoadedImage || !pLoadedImage)
 156     {
 157       /* No image loaded or null pointer */
 158       SetLastError(ERROR_INVALID_PARAMETER);
 159       return FALSE;
 160     }
 161
 162   pFind=&pLoadedImage->Links;
 163   pCurrent=&IMAGEHLP_pFirstLoadedImage->Links;
 164   while((pCurrent != pFind) &&
 165     (pCurrent != NULL))
 166       pCurrent = pCurrent->Flink;
 167   if(!pCurrent)
 168     {
 169       /* Not found */
 170       SetLastError(ERROR_INVALID_PARAMETER);
 171       return FALSE;
 172     }
 173
 174   if(pCurrent->Blink)
 175     pCurrent->Blink->Flink = pCurrent->Flink;
 176   else
 177     IMAGEHLP_pFirstLoadedImage = pCurrent->Flink?CONTAINING_RECORD(
 178       pCurrent->Flink, LOADED_IMAGE, Links):NULL;
 179
 180   if(pCurrent->Flink)
 181     pCurrent->Flink->Blink = pCurrent->Blink;
 182   else
 183     IMAGEHLP_pLastLoadedImage = pCurrent->Blink?CONTAINING_RECORD(
 184       pCurrent->Blink, LOADED_IMAGE, Links):NULL;
 185
 186   return FALSE;
 187 }
 188
 189 /***********************************************************************
 190  *              MapAndLoad (IMAGEHLP.@)
 191  */
 192 BOOL WINAPI MapAndLoad(
 193   LPSTR pszImageName, LPSTR pszDllPath, PLOADED_IMAGE pLoadedImage,
 194   BOOL bDotDll, BOOL bReadOnly)
 195 {
 196   CHAR szFileName[MAX_PATH];
 197   HANDLE hFile = (HANDLE) NULL;
 198   HANDLE hFileMapping = (HANDLE) NULL;
 199   HMODULE hModule = (HMODULE) NULL;
 200   PIMAGE_NT_HEADERS pNtHeader = NULL;
 201
 202   /* PathCombine(&szFileName, pszDllPath, pszImageName); */
 203   /* PathRenameExtension(&szFileName, bDotDll?:"dll":"exe"); */
 204
 205   /* FIXME: Check if the file already loaded (use IMAGEHLP_pFirstLoadedImage) */
 206   if(!(hFile = CreateFileA(
 207     szFileName, GENERIC_READ, 1, /* FIXME: FILE_SHARE_READ not defined */
 208     NULL, OPEN_EXISTING, 0, (HANDLE) NULL)))
 209     {
 210       SetLastError(ERROR_FILE_NOT_FOUND);
 211       goto Error;
 212     }
 213
 214   if(!(hFileMapping = CreateFileMappingA(
 215     hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL)))
 216     {
 217       DWORD dwLastError = GetLastError();
 218       WARN("CreateFileMapping: Error = %ld\n", dwLastError);
 219       SetLastError(dwLastError);
 220       goto Error;
 221     }
 222   CloseHandle(hFile);
 223   hFile = (HANDLE) NULL;
 224
 225   if(!(hModule = (HMODULE) MapViewOfFile(
 226     hFileMapping, FILE_MAP_READ, 0, 0, 0)))
 227     {
 228       DWORD dwLastError = GetLastError();
 229       WARN("MapViewOfFile: Error = %ld\n", dwLastError);
 230       SetLastError(dwLastError);
 231       goto Error;
 232     }
 233
 234   CloseHandle(hFileMapping);
 235   hFileMapping=(HANDLE) NULL;
 236
 237   pLoadedImage = (PLOADED_IMAGE) HeapAlloc(
 238     IMAGEHLP_hHeap, 0, sizeof(LOADED_IMAGE)
 239   );
 240
 241   pNtHeader = ImageNtHeader((PVOID) hModule);
 242
 243   pLoadedImage->ModuleName = HeapAlloc(IMAGEHLP_hHeap, 0, strlen(pszDllPath)+1); /* FIXME: Correct? */
 244   strcpy( pLoadedImage->ModuleName, pszDllPath );
 245   pLoadedImage->hFile = hFile;
 246   pLoadedImage->MappedAddress = (PUCHAR) hModule;
 247   pLoadedImage->FileHeader = pNtHeader;
 248   pLoadedImage->Sections = (PIMAGE_SECTION_HEADER)
 249     ((LPBYTE) &pNtHeader->OptionalHeader +
 250       pNtHeader->FileHeader.SizeOfOptionalHeader);
 251   pLoadedImage->NumberOfSections =
 252     pNtHeader->FileHeader.NumberOfSections;
 253   pLoadedImage->SizeOfImage =
 254     pNtHeader->OptionalHeader.SizeOfImage;
 255   pLoadedImage->Characteristics =
 256     pNtHeader->FileHeader.Characteristics;
 257   pLoadedImage->LastRvaSection = pLoadedImage->Sections;
 258
 259   pLoadedImage->fSystemImage = FALSE; /* FIXME */
 260   pLoadedImage->fDOSImage = FALSE;    /* FIXME */
 261
 262   /* FIXME: Make thread safe */
 263   pLoadedImage->Links.Flink = NULL;
 264   pLoadedImage->Links.Blink = &IMAGEHLP_pLastLoadedImage->Links;
 265   if(IMAGEHLP_pLastLoadedImage)
 266     IMAGEHLP_pLastLoadedImage->Links.Flink = &pLoadedImage->Links;
 267   IMAGEHLP_pLastLoadedImage = pLoadedImage;
 268   if(!IMAGEHLP_pFirstLoadedImage)
 269     IMAGEHLP_pFirstLoadedImage = pLoadedImage;
 270
 271   return TRUE;
 272
 273 Error:
 274   if(hModule)
 275     UnmapViewOfFile((PVOID) hModule);
 276   if(hFileMapping)
 277     CloseHandle(hFileMapping);
 278   if(hFile)
 279     CloseHandle(hFile);
 280   return FALSE;
 281 }
 282
 283 /***********************************************************************
 284  *              SetImageConfigInformation (IMAGEHLP.@)
 285  */
 286 BOOL WINAPI SetImageConfigInformation(
 287   PLOADED_IMAGE LoadedImage,
 288   PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
 289 {
 290   FIXME("(%p, %p): stub\n",
 291     LoadedImage, ImageConfigInformation
 292   );
 293   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 294   return FALSE;
 295 }
 296
 297 /***********************************************************************
 298  *              UnMapAndLoad (IMAGEHLP.@)
 299  */
 300 BOOL WINAPI UnMapAndLoad(PLOADED_IMAGE LoadedImage)
 301 {
 302   FIXME("(%p): stub\n", LoadedImage);
 303   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 304   return FALSE;
 305 }
 306
 307