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- Split LdrpProcessImportDirectory into LdrpProcessImportDirectory and
LdrpProcessImportDirectoryEntry. Sometimes it is necessary to process a single entry from import directory and sometimes it is necessary to process all entries with the same name. svn path=/trunk/; revision=8684
This commit is contained in:
Hartmut Birr
parent
05825a6aab
commit
c417fd21b1
1 changed files with 121 additions and 105 deletions
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@ -1,4 +1,4 @@
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/* $Id: utils.c,v 1.83 2004/03/06 20:32:06 navaraf Exp $
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/* $Id: utils.c,v 1.84 2004/03/13 18:14:04 hbirr Exp $
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*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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@ -1416,11 +1416,10 @@ LdrpGetOrLoadModule(PWCHAR SerachPath,
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}
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static NTSTATUS
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LdrpProcessImportDirectory(
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LdrpProcessImportDirectoryEntry(
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PLDR_MODULE Module,
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PLDR_MODULE ImportedModule,
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PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory,
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PCHAR ImportedName)
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PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory)
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{
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NTSTATUS Status;
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PVOID* ImportAddressList;
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@ -1430,37 +1429,9 @@ LdrpProcessImportDirectory(
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ULONG Ordinal;
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ULONG IATSize;
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DPRINT("LdrpProcessImportDirectory(%x '%wZ', '%s')\n",
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Module, &Module->BaseDllName, ImportedName);
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if (ImportModuleDirectory == NULL)
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if (ImportModuleDirectory == NULL || ImportModuleDirectory->dwRVAModuleName == 0)
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{
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PCHAR Name;
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ImportModuleDirectory = (PIMAGE_IMPORT_MODULE_DIRECTORY)
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RtlImageDirectoryEntryToData(Module->BaseAddress,
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TRUE,
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IMAGE_DIRECTORY_ENTRY_IMPORT,
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NULL);
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if (ImportModuleDirectory == NULL)
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{
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return STATUS_UNSUCCESSFUL;
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}
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while (ImportModuleDirectory->dwRVAModuleName)
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{
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Name = (PCHAR)Module->BaseAddress + ImportModuleDirectory->dwRVAModuleName;
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if (0 == _stricmp(Name, ImportedName))
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{
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break;
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}
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ImportModuleDirectory++;
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}
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if (ImportModuleDirectory->dwRVAModuleName == 0)
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{
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return STATUS_UNSUCCESSFUL;
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}
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return STATUS_UNSUCCESSFUL;
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}
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/* Get the import address list. */
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@ -1483,41 +1454,41 @@ LdrpProcessImportDirectory(
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IATSize++;
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}
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/* Unprotect the region we are about to write into. */
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IATBase = (PVOID)ImportAddressList;
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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/* Unprotect the region we are about to write into. */
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IATBase = (PVOID)ImportAddressList;
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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IATBase,
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IATSize * sizeof(PVOID*),
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PAGE_READWRITE,
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&OldProtect);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to unprotect IAT.\n");
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return(Status);
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}
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to unprotect IAT.\n");
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return(Status);
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}
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/* Walk through function list and fixup addresses. */
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while (*FunctionNameList != 0L)
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{
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if ((*FunctionNameList) & 0x80000000)
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{
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Ordinal = (*FunctionNameList) & 0x7fffffff;
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*ImportAddressList = LdrGetExportByOrdinal(ImportedModule->BaseAddress, Ordinal);
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}
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else
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{
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IMAGE_IMPORT_BY_NAME *pe_name;
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pe_name = RVA(Module->BaseAddress, *FunctionNameList);
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*ImportAddressList = LdrGetExportByName(ImportedModule->BaseAddress, pe_name->Name, pe_name->Hint);
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if ((*ImportAddressList) == NULL)
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{
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DPRINT1("Failed to import %s\n", pe_name->Name);
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return STATUS_UNSUCCESSFUL;
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}
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}
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ImportAddressList++;
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FunctionNameList++;
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}
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/* Walk through function list and fixup addresses. */
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while (*FunctionNameList != 0L)
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{
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if ((*FunctionNameList) & 0x80000000)
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{
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Ordinal = (*FunctionNameList) & 0x7fffffff;
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*ImportAddressList = LdrGetExportByOrdinal(ImportedModule->BaseAddress, Ordinal);
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}
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else
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{
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IMAGE_IMPORT_BY_NAME *pe_name;
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pe_name = RVA(Module->BaseAddress, *FunctionNameList);
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*ImportAddressList = LdrGetExportByName(ImportedModule->BaseAddress, pe_name->Name, pe_name->Hint);
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if ((*ImportAddressList) == NULL)
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{
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DPRINT1("Failed to import %s\n", pe_name->Name);
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return STATUS_UNSUCCESSFUL;
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}
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}
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ImportAddressList++;
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FunctionNameList++;
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}
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/* Protect the region we are about to write into. */
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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@ -1534,10 +1505,55 @@ LdrpProcessImportDirectory(
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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LdrpProcessImportDirectory(
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PLDR_MODULE Module,
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PLDR_MODULE ImportedModule,
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PCHAR ImportedName)
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{
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NTSTATUS Status;
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PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory;
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PCHAR Name;
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NTSTATUS LdrpAdjustImportDirectory(PLDR_MODULE Module,
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PLDR_MODULE ImportedModule,
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PUCHAR ImportedName)
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DPRINT("LdrpProcessImportDirectory(%x '%wZ', '%s')\n",
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Module, &Module->BaseDllName, ImportedName);
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ImportModuleDirectory = (PIMAGE_IMPORT_MODULE_DIRECTORY)
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RtlImageDirectoryEntryToData(Module->BaseAddress,
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TRUE,
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IMAGE_DIRECTORY_ENTRY_IMPORT,
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NULL);
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if (ImportModuleDirectory == NULL)
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{
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return STATUS_UNSUCCESSFUL;
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}
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while (ImportModuleDirectory->dwRVAModuleName)
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{
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Name = (PCHAR)Module->BaseAddress + ImportModuleDirectory->dwRVAModuleName;
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if (0 == _stricmp(Name, ImportedName))
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{
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Status = LdrpProcessImportDirectoryEntry(Module,
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ImportedModule,
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ImportModuleDirectory);
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if (!NT_SUCCESS(Status))
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{
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return Status;
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}
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}
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ImportModuleDirectory++;
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}
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return STATUS_SUCCESS;
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}
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static NTSTATUS
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LdrpAdjustImportDirectory(PLDR_MODULE Module,
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PLDR_MODULE ImportedModule,
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PUCHAR ImportedName)
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{
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PIMAGE_IMPORT_MODULE_DIRECTORY ImportModuleDirectory;
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NTSTATUS Status;
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@ -1591,46 +1607,46 @@ NTSTATUS LdrpAdjustImportDirectory(PLDR_MODULE Module,
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IATSize++;
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}
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/* Unprotect the region we are about to write into. */
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IATBase = (PVOID)ImportAddressList;
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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IATBase,
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IATSize * sizeof(PVOID*),
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PAGE_READWRITE,
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&OldProtect);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to unprotect IAT.\n");
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return(Status);
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}
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/* Unprotect the region we are about to write into. */
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IATBase = (PVOID)ImportAddressList;
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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IATBase,
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IATSize * sizeof(PVOID*),
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PAGE_READWRITE,
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&OldProtect);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to unprotect IAT.\n");
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return(Status);
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}
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NTHeaders = RtlImageNtHeader (ImportedModule->BaseAddress);
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Start = (PVOID)NTHeaders->OptionalHeader.ImageBase;
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End = Start + ImportedModule->SizeOfImage;
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Offset = ImportedModule->BaseAddress - Start;
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NTHeaders = RtlImageNtHeader (ImportedModule->BaseAddress);
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Start = (PVOID)NTHeaders->OptionalHeader.ImageBase;
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End = Start + ImportedModule->SizeOfImage;
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Offset = ImportedModule->BaseAddress - Start;
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/* Walk through function list and fixup addresses. */
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while (*FunctionNameList != 0L)
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{
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if (*ImportAddressList >= Start && *ImportAddressList < End)
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/* Walk through function list and fixup addresses. */
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while (*FunctionNameList != 0L)
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{
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if (*ImportAddressList >= Start && *ImportAddressList < End)
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{
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(*ImportAddressList) += Offset;
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}
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ImportAddressList++;
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FunctionNameList++;
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}
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ImportAddressList++;
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FunctionNameList++;
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}
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/* Protect the region we are about to write into. */
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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IATBase,
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IATSize * sizeof(PVOID*),
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OldProtect,
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&OldProtect);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to protect IAT.\n");
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return(Status);
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}
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/* Protect the region we are about to write into. */
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Status = NtProtectVirtualMemory(NtCurrentProcess(),
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IATBase,
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IATSize * sizeof(PVOID*),
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OldProtect,
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&OldProtect);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("Failed to protect IAT.\n");
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return(Status);
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}
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}
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ImportModuleDirectory++;
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}
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@ -1733,7 +1749,7 @@ LdrFixupImports(IN PWSTR SearchPath OPTIONAL,
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{
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TRACE_LDR("%wZ has stale binding to %wZ\n",
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&Module->BaseDllName, &ImportedModule->BaseDllName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, NULL, ImportedName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, ImportedName);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("failed to import %s\n", ImportedName);
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@ -1794,7 +1810,7 @@ LdrFixupImports(IN PWSTR SearchPath OPTIONAL,
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if (WrongForwarder ||
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ImportedModule->Flags & IMAGE_NOT_AT_BASE)
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{
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Status = LdrpProcessImportDirectory(Module, ImportedModule, NULL, ImportedName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, ImportedName);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("failed to import %s\n", ImportedName);
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@ -1820,7 +1836,7 @@ LdrFixupImports(IN PWSTR SearchPath OPTIONAL,
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*/
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TRACE_LDR("Stale BIND %s from %wZ\n",
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ImportedName, &Module->BaseDllName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, NULL, ImportedName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, ImportedName);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("faild to import %s\n", ImportedName);
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@ -1858,7 +1874,7 @@ LdrFixupImports(IN PWSTR SearchPath OPTIONAL,
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TRACE_LDR("Initializing imports for %wZ from %s\n",
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&Module->BaseDllName, ImportedName);
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Status = LdrpProcessImportDirectory(Module, ImportedModule, ImportModuleDirectoryCurrent, ImportedName);
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Status = LdrpProcessImportDirectoryEntry(Module, ImportedModule, ImportModuleDirectoryCurrent);
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if (!NT_SUCCESS(Status))
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{
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DPRINT1("failed to import %s\n", ImportedName);
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