dlls/imagehlp/access.c

   1 /*
   2  *      IMAGEHLP library
   3  *
   4  *      Copyright 1998  Patrik Stridvall
   5  */
   6
   7 #include "winbase.h"
   8 #include "winnt.h"
   9 #include "winerror.h"
  10 #include "wintypes.h"
  11 #include "heap.h"
  12 #include "debug.h"
  13 #include "imagehlp.h"
  14
  15 /***********************************************************************
  16  *           Data
  17  */
  18
  19 static PLOADED_IMAGE IMAGEHLP_pFirstLoadedImage=NULL;
  20 static PLOADED_IMAGE IMAGEHLP_pLastLoadedImage=NULL;
  21
  22 static LOADED_IMAGE IMAGEHLP_EmptyLoadedImage = {
  23   NULL,       /* ModuleName */
  24   0xffffffff, /* hFile */
  25   NULL,       /* MappedAddress */
  26   NULL,       /* FileHeader */
  27   NULL,       /* LastRvaSection */
  28   0,          /* NumberOfSections */
  29   NULL,       /* Sections */
  30   1,          /* Characteristics */
  31   FALSE,      /* fSystemImage */
  32   FALSE,      /* fDOSImage */
  33   { &IMAGEHLP_EmptyLoadedImage.Links, &IMAGEHLP_EmptyLoadedImage.Links }, /* Links */
  34   148,        /* SizeOfImage; */
  35 };
  36
  37 /***********************************************************************
  38  *           EnumerateLoadedModules32 (IMAGEHLP.4)
  39  */
  40 BOOL WINAPI EnumerateLoadedModules(
  41   HANDLE hProcess,
  42   PENUMLOADED_MODULES_CALLBACK EnumLoadedModulesCallback,
  43   PVOID UserContext)
  44 {
  45   FIXME(imagehlp, "(0x%08x, %p, %p): stub\n",
  46     hProcess, EnumLoadedModulesCallback, UserContext
  47   );
  48   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  49   return FALSE;
  50 }
  51
  52 /***********************************************************************
  53  *           GetTimestampForLoadedLibrary32 (IMAGEHLP.9)
  54  */
  55 DWORD WINAPI GetTimestampForLoadedLibrary(HMODULE Module)
  56 {
  57   FIXME(imagehlp, "(0x%08x): stub\n", Module);
  58   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  59   return 0;
  60 }
  61
  62 /***********************************************************************
  63  *           GetImageConfigInformation32 (IMAGEHLP.7)
  64  */
  65 BOOL WINAPI GetImageConfigInformation(
  66   PLOADED_IMAGE LoadedImage,
  67   PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
  68 {
  69   FIXME(imagehlp, "(%p, %p): stub\n",
  70     LoadedImage, ImageConfigInformation
  71   );
  72   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  73   return FALSE;
  74 }
  75
  76 /***********************************************************************
  77  *           GetImageUnusedHeaderBytes32 (IMAGEHLP.8)
  78  */
  79 DWORD WINAPI GetImageUnusedHeaderBytes(
  80   PLOADED_IMAGE LoadedImage,
  81   LPDWORD SizeUnusedHeaderBytes)
  82 {
  83   FIXME(imagehlp, "(%p, %p): stub\n",
  84     LoadedImage, SizeUnusedHeaderBytes
  85   );
  86   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  87   return 0;
  88 }
  89
  90 /***********************************************************************
  91  *           ImageDirectoryEntryToData32 (IMAGEHLP.11)
  92  */
  93 PVOID WINAPI ImageDirectoryEntryToData(
  94   PVOID Base, BOOLEAN MappedAsImage, USHORT DirectoryEntry, PULONG Size)
  95 {
  96   FIXME(imagehlp, "(%p, %d, %d, %p): stub\n",
  97     Base, MappedAsImage, DirectoryEntry, Size
  98   );
  99   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 100   return NULL;
 101 }
 102
 103 /***********************************************************************
 104  *           ImageLoad32 (IMAGEHLP.16)
 105  */
 106 PLOADED_IMAGE WINAPI ImageLoad(LPSTR DllName, LPSTR DllPath)
 107 {
 108   PLOADED_IMAGE pLoadedImage =
 109     HeapAlloc(IMAGEHLP_hHeap, 0, sizeof(LOADED_IMAGE));
 110   return pLoadedImage;
 111 }
 112
 113 /***********************************************************************
 114  *           ImageNtHeader32 (IMAGEHLP.17)
 115  */
 116 PIMAGE_NT_HEADERS WINAPI ImageNtHeader(PVOID Base)
 117 {
 118   return (PIMAGE_NT_HEADERS)
 119     ((LPBYTE) Base + ((PIMAGE_DOS_HEADER) Base)->e_lfanew);
 120 }
 121
 122 /***********************************************************************
 123  *           ImageRvaToSection32 (IMAGEHLP.19)
 124  */
 125 PIMAGE_SECTION_HEADER WINAPI ImageRvaToSection(
 126   PIMAGE_NT_HEADERS NtHeaders, PVOID Base, ULONG Rva)
 127 {
 128   FIXME(imagehlp, "(%p, %p, %ld): stub\n", NtHeaders, Base, Rva);
 129   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 130   return NULL;
 131 }
 132
 133 /***********************************************************************
 134  *           ImageRvaToVa32 (IMAGEHLP.20)
 135  */
 136 PVOID WINAPI ImageRvaToVa(
 137   PIMAGE_NT_HEADERS NtHeaders, PVOID Base, ULONG Rva,
 138   PIMAGE_SECTION_HEADER *LastRvaSection)
 139 {
 140   FIXME(imagehlp, "(%p, %p, %ld, %p): stub\n",
 141     NtHeaders, Base, Rva, LastRvaSection
 142   );
 143   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 144   return NULL;
 145 }
 146
 147 /***********************************************************************
 148  *           ImageUnload32 (IMAGEHLP.21)
 149  */
 150 BOOL WINAPI ImageUnload(PLOADED_IMAGE pLoadedImage)
 151 {
 152   LIST_ENTRY *pCurrent, *pFind;
 153   if(!IMAGEHLP_pFirstLoadedImage || !pLoadedImage)
 154     {
 155       /* No image loaded or null pointer */
 156       SetLastError(ERROR_INVALID_PARAMETER);
 157       return FALSE;
 158     }
 159
 160   pFind=&pLoadedImage->Links;
 161   pCurrent=&IMAGEHLP_pFirstLoadedImage->Links;
 162   while((pCurrent != pFind) &&
 163     (pCurrent != NULL))
 164       pCurrent = pCurrent->Flink;
 165   if(!pCurrent)
 166     {
 167       /* Not found */
 168       SetLastError(ERROR_INVALID_PARAMETER);
 169       return FALSE;
 170     }
 171
 172   if(pCurrent->Blink)
 173     pCurrent->Blink->Flink = pCurrent->Flink;
 174   else
 175     IMAGEHLP_pFirstLoadedImage = pCurrent->Flink?CONTAINING_RECORD(
 176       pCurrent->Flink, LOADED_IMAGE, Links):NULL;
 177
 178   if(pCurrent->Flink)
 179     pCurrent->Flink->Blink = pCurrent->Blink;
 180   else
 181     IMAGEHLP_pLastLoadedImage = pCurrent->Blink?CONTAINING_RECORD(
 182       pCurrent->Blink, LOADED_IMAGE, Links):NULL;
 183
 184   return FALSE;
 185 }
 186
 187 /***********************************************************************
 188  *           MapAndLoad32 (IMAGEHLP.25)
 189  */
 190 BOOL WINAPI MapAndLoad(
 191   LPSTR pszImageName, LPSTR pszDllPath, PLOADED_IMAGE pLoadedImage,
 192   BOOL bDotDll, BOOL bReadOnly)
 193 {
 194   CHAR szFileName[MAX_PATH];
 195   HANDLE hFile = (HANDLE) NULL;
 196   HANDLE hFileMapping = (HANDLE) NULL;
 197   HMODULE hModule = (HMODULE) NULL;
 198   PIMAGE_NT_HEADERS pNtHeader = NULL;
 199
 200   /* PathCombine(&szFileName, pszDllPath, pszImageName); */
 201   /* PathRenameExtension(&szFileName, bDotDll?:"dll":"exe"); */
 202
 203   /* FIXME: Check if the file already loaded (use IMAGEHLP_pFirstLoadedImage32) */
 204   if(!(hFile = CreateFileA(
 205     szFileName, GENERIC_READ, 1, /* FIXME: FILE_SHARE_READ not defined */
 206     NULL, OPEN_EXISTING, 0, (HANDLE) NULL)))
 207     {
 208       SetLastError(ERROR_FILE_NOT_FOUND);
 209       goto Error;
 210     }
 211
 212   if(!(hFileMapping = CreateFileMappingA(
 213     hFile, NULL, PAGE_READONLY | SEC_COMMIT, 0, 0, NULL)))
 214     {
 215       DWORD dwLastError = GetLastError();
 216       WARN(imagehlp, "CreateFileMapping: Error = %ld\n", dwLastError);
 217       SetLastError(dwLastError);
 218       goto Error;
 219     }
 220   CloseHandle(hFile);
 221   hFile = (HANDLE) NULL;
 222
 223   if(!(hModule = (HMODULE) MapViewOfFile(
 224     hFileMapping, FILE_MAP_READ, 0, 0, 0)))
 225     {
 226       DWORD dwLastError = GetLastError();
 227       WARN(imagehlp, "MapViewOfFile: Error = %ld\n", dwLastError);
 228       SetLastError(dwLastError);
 229       goto Error;
 230     }
 231
 232   CloseHandle(hFileMapping);
 233   hFileMapping=(HANDLE) NULL;
 234
 235   pLoadedImage = (PLOADED_IMAGE) HeapAlloc(
 236     IMAGEHLP_hHeap, 0, sizeof(LOADED_IMAGE)
 237   );
 238
 239   pNtHeader = ImageNtHeader((PVOID) hModule);
 240
 241   pLoadedImage->ModuleName =
 242     HEAP_strdupA(IMAGEHLP_hHeap, 0, pszDllPath); /* FIXME: Correct? */
 243   pLoadedImage->hFile = hFile;
 244   pLoadedImage->MappedAddress = (PUCHAR) hModule;
 245   pLoadedImage->FileHeader = pNtHeader;
 246   pLoadedImage->Sections = (PIMAGE_SECTION_HEADER)
 247     ((LPBYTE) &pNtHeader->OptionalHeader +
 248       pNtHeader->FileHeader.SizeOfOptionalHeader);
 249   pLoadedImage->NumberOfSections =
 250     pNtHeader->FileHeader.NumberOfSections;
 251   pLoadedImage->SizeOfImage =
 252     pNtHeader->OptionalHeader.SizeOfImage;
 253   pLoadedImage->Characteristics =
 254     pNtHeader->FileHeader.Characteristics;
 255   pLoadedImage->LastRvaSection = pLoadedImage->Sections;
 256
 257   pLoadedImage->fSystemImage = FALSE; /* FIXME */
 258   pLoadedImage->fDOSImage = FALSE;    /* FIXME */
 259
 260   /* FIXME: Make thread safe */
 261   pLoadedImage->Links.Flink = NULL;
 262   pLoadedImage->Links.Blink = &IMAGEHLP_pLastLoadedImage->Links;
 263   if(IMAGEHLP_pLastLoadedImage)
 264     IMAGEHLP_pLastLoadedImage->Links.Flink = &pLoadedImage->Links;
 265   IMAGEHLP_pLastLoadedImage = pLoadedImage;
 266   if(!IMAGEHLP_pFirstLoadedImage)
 267     IMAGEHLP_pFirstLoadedImage = pLoadedImage;
 268
 269   return TRUE;
 270
 271 Error:
 272   if(hModule)
 273     UnmapViewOfFile((PVOID) hModule);
 274   if(hFileMapping)
 275     CloseHandle(hFileMapping);
 276   if(hFile)
 277     CloseHandle(hFile);
 278   return FALSE;
 279 }
 280
 281 /***********************************************************************
 282  *           SetImageConfigInformation32 (IMAGEHLP.34)
 283  */
 284 BOOL WINAPI SetImageConfigInformation(
 285   PLOADED_IMAGE LoadedImage,
 286   PIMAGE_LOAD_CONFIG_DIRECTORY ImageConfigInformation)
 287 {
 288   FIXME(imagehlp, "(%p, %p): stub\n",
 289     LoadedImage, ImageConfigInformation
 290   );
 291   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 292   return FALSE;
 293 }
 294
 295 /***********************************************************************
 296  *           UnMapAndLoad32 (IMAGEHLP.58)
 297  */
 298 BOOL WINAPI UnMapAndLoad(PLOADED_IMAGE LoadedImage)
 299 {
 300   FIXME(imagehlp, "(%p): stub\n", LoadedImage);
 301   SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 302   return FALSE;
 303 }
 304
 305