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dll name comparison in LdrFindDll() must be case-insensitive
svn path=/trunk/; revision=842
This commit is contained in:
Eric Kohl
parent
ec235d7468
commit
5d99e9003a
1 changed files with 40 additions and 55 deletions
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@ -1,4 +1,4 @@
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/* $Id: utils.c,v 1.17 1999/11/25 10:47:56 dwelch Exp $
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/* $Id: utils.c,v 1.18 1999/12/09 19:14:45 ekohl 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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@ -77,12 +77,10 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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HANDLE FileHandle;
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HANDLE SectionHandle;
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PDLLMAIN_FUNC Entrypoint;
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if ( Dll == NULL )
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return -1;
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if ( Name == NULL ) {
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*Dll = &LdrDllListHead;
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return STATUS_SUCCESS;
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@ -90,8 +88,6 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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DPRINT("LdrLoadDll(Base %x, Name \"%s\")\n", Dll, Name);
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/*
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* Build the DLL's absolute name
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*/
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@ -99,12 +95,12 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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if ( strncmp(Name,"\\??\\",3) != 0 ) {
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strcat(fqname, Name);
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}
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}
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else
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strncpy(fqname, Name, 256);
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DPRINT("fqname \"%s\"\n", fqname);
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/*
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/*
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* Open the DLL's image file.
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*/
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@ -210,7 +206,7 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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if (!NT_SUCCESS(Status))
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{
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DPRINT("NTDLL create section failed: Status = 0x%08x\n", Status);
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ZwClose(FileHandle);
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ZwClose(FileHandle);
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return Status;
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}
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/*
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@ -230,17 +226,17 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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&InitialViewSize,
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0,
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MEM_COMMIT,
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PAGE_READWRITE
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PAGE_READWRITE
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);
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if (!NT_SUCCESS(Status))
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{
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dprintf("NTDLL.LDR: map view of section failed (Status %x)",
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dprintf("NTDLL.LDR: map view of section failed (Status %x)\n",
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Status);
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ZwClose(FileHandle);
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ZwClose(FileHandle);
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return(Status);
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}
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ZwClose(FileHandle);
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(*Dll) = RtlAllocateHeap(
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RtlGetProcessHeap(),
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0,
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@ -256,9 +252,9 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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if (((*Dll)->Headers->FileHeader.Characteristics & IMAGE_FILE_DLL) ==
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IMAGE_FILE_DLL)
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IMAGE_FILE_DLL)
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{
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Entrypoint =
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(PDLLMAIN_FUNC) LdrPEStartup(
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ImageBase,
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@ -285,7 +281,7 @@ NTSTATUS LdrLoadDll (PDLL* Dll,
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{
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DPRINT("NTDLL.LDR: Entrypoint is NULL for \"%s\"\n", fqname);
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}
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}
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}
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return STATUS_SUCCESS;
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}
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@ -310,20 +306,20 @@ static NTSTATUS LdrFindDll(PDLL* Dll, PCHAR Name)
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PIMAGE_EXPORT_DIRECTORY ExportDir;
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DLL * current;
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PIMAGE_OPTIONAL_HEADER OptionalHeader;
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DPRINT("NTDLL.LdrFindDll(Name %s)\n", Name);
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current = & LdrDllListHead;
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// NULL is the current process
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if ( Name == NULL )
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if ( Name == NULL )
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{
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*Dll = current;
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return STATUS_SUCCESS;
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}
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do
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{
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OptionalHeader = & current->Headers->OptionalHeader;
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@ -339,7 +335,7 @@ static NTSTATUS LdrFindDll(PDLL* Dll, PCHAR Name)
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DPRINT("Scanning %s %s\n",
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ExportDir->Name + current->BaseAddress, Name);
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if (strcmp(ExportDir->Name + current->BaseAddress, Name) == 0)
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if (_stricmp(ExportDir->Name + current->BaseAddress, Name) == 0)
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{
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*Dll = current;
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current->ReferenceCount++;
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@ -349,9 +345,9 @@ static NTSTATUS LdrFindDll(PDLL* Dll, PCHAR Name)
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current = current->Next;
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} while (current != & LdrDllListHead);
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DPRINT("Failed to find dll %s\n",Name);
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return -1;
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}
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@ -450,15 +446,15 @@ LdrGetExportByOrdinal (
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.VirtualAddress
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)
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);
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ExOrdinals = (USHORT *)
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RVA(
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Module->BaseAddress,
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Module->BaseAddress,
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ExportDir->AddressOfNameOrdinals
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);
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ExFunctions = (PDWORD *)
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RVA(
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Module->BaseAddress,
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Module->BaseAddress,
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ExportDir->AddressOfFunctions
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);
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dprintf(
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@ -499,13 +495,13 @@ LdrGetExportByName (
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ULONG i;
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PVOID ExName;
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ULONG Ordinal;
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// DPRINT(
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// "LdrFindExport(Module %x, SymbolName %s)\n",
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// Module,
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// SymbolName
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// );
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ExportDir = (
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Module->BaseAddress
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+ (Module->Headers->OptionalHeader
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@ -523,12 +519,12 @@ LdrGetExportByName (
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);
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ExOrdinals = (USHORT *)
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RVA(
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Module->BaseAddress,
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Module->BaseAddress,
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ExportDir->AddressOfNameOrdinals
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);
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ExFunctions = (PDWORD *)
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RVA(
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Module->BaseAddress,
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Module->BaseAddress,
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ExportDir->AddressOfFunctions
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);
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for ( i = 0;
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@ -659,7 +655,7 @@ LdrPerformRelocations (
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", sorry\n"
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);
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return(STATUS_UNSUCCESSFUL);
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default:
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DPRINT("unexpected fixup type\n");
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return STATUS_UNSUCCESSFUL;
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@ -775,7 +771,7 @@ static NTSTATUS LdrFixupImports(PIMAGE_NT_HEADERS NTHeaders,
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ImageBase
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+ *FunctionNameList
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);
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*ImportAddressList =
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LdrGetExportByName(
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Module,
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@ -892,19 +888,19 @@ NTSTATUS LdrUnloadDll(PDLL Dll)
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{
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PDLLMAIN_FUNC Entrypoint;
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NTSTATUS Status;
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if ( Dll == NULL || Dll == &LdrDllListHead )
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return -1;
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if ( Dll->ReferenceCount > 1 )
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if ( Dll->ReferenceCount > 1 )
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{
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Dll->ReferenceCount--;
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return STATUS_SUCCESS;
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}
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if ( Dll->Headers->FileHeader.Characteristics & IMAGE_FILE_DLL == IMAGE_FILE_DLL ) {
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if (( Dll->Headers->FileHeader.Characteristics & IMAGE_FILE_DLL ) == IMAGE_FILE_DLL ) {
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Entrypoint = (PDLLMAIN_FUNC) LdrPEStartup(Dll->BaseAddress,
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Dll->SectionHandle);
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if (Entrypoint != NULL)
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@ -932,7 +928,7 @@ NTSTATUS LdrUnloadDll(PDLL Dll)
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Dll->BaseAddress);
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ZwClose(Dll->SectionHandle);
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return Status;
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}
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@ -941,7 +937,7 @@ static IMAGE_RESOURCE_DIRECTORY_ENTRY * LdrGetNextEntry(IMAGE_RESOURCE_DIRECTORY
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WORD NumberOfNamedEntries;
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WORD NumberOfIdEntries;
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WORD NumberOfIdEntries;
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WORD Entries;
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ULONG Length;
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@ -1049,10 +1045,6 @@ NTSTATUS LdrFindResource_U(DLL *Dll, IMAGE_RESOURCE_DATA_ENTRY **ResourceDataEnt
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NTSTATUS LdrAccessResource(DLL *Dll, IMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntry, void **Data)
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{
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PIMAGE_SECTION_HEADER Sections;
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int i;
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@ -1065,7 +1057,6 @@ NTSTATUS LdrAccessResource(DLL *Dll, IMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntr
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if ( Dll == NULL )
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return -1;
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Sections = (PIMAGE_SECTION_HEADER) SECHDROFFSET(Dll->BaseAddress);
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for ( i = 0;
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@ -1073,27 +1064,21 @@ NTSTATUS LdrAccessResource(DLL *Dll, IMAGE_RESOURCE_DATA_ENTRY *ResourceDataEntr
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i++
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)
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{
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if (Sections[i].VirtualAddress <= ResourceDataEntry->OffsetToData
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if (Sections[i].VirtualAddress <= ResourceDataEntry->OffsetToData
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&& Sections[i].VirtualAddress + Sections[i].Misc.VirtualSize > ResourceDataEntry->OffsetToData )
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break;
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}
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if ( i == Dll->Headers->FileHeader.NumberOfSections ) {
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*Data = NULL;
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return -1;
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}
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*Data = (void *)(((ULONG)Dll->BaseAddress + ResourceDataEntry->OffsetToData - (ULONG)Sections[i].VirtualAddress) +
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(ULONG)Sections[i].PointerToRawData);
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return STATUS_SUCCESS;
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}
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/* EOF */
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