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[FREELDR]

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Remove DTEs for ntbootdd.sys and freeldr.sys after they are not used any longer. freeldr one will even point to invalid stack data. It only works currently, because the LoadOrderListHead is reset later. More fixes are coming.

svn path=/trunk/; revision=53908
This commit is contained in:
Timo Kreuzer
2011-09-30 21:13:49 +00:00
parent ce77677b0b
commit c596e299c6
1 changed files with 17 additions and 7 deletions
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reactos/boot/freeldr/freeldr/disk/scsiport.c
+17 -7
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@@ -1659,12 +1659,6 @@ LoadBootDeviceDriver(VOID)
FunctionTable[i] = (ULONG)((ULONG_PTR)ExportTable[i].Function - (ULONG_PTR)&ImageDosHeader);
}
/* Add freeldr.sys to list of loaded executables */
Status = WinLdrAllocateDataTableEntry(&LoaderBlock, "scsiport.sys",
"FREELDR.SYS", &ImageDosHeader, &FreeldrDTE);
if (!Status)
return EIO;
/* Create full ntbootdd.sys path */
MachDiskGetBootPath(NtBootDdPath, sizeof(NtBootDdPath));
strcat(NtBootDdPath, "\\NTBOOTDD.SYS");
@@ -1677,12 +1671,28 @@ LoadBootDeviceDriver(VOID)
return ESUCCESS;
}
/* Fix imports */
/* Allocate a DTE for ntbootdd */
Status = WinLdrAllocateDataTableEntry(&LoaderBlock, "ntbootdd.sys",
"NTBOOTDD.SYS", ImageBase, &BootDdDTE);
if (!Status)
return EIO;
/* Add freeldr.sys to list of loaded executables, it repaces scsiport.sys */
Status = WinLdrAllocateDataTableEntry(&LoaderBlock, "scsiport.sys",
"FREELDR.SYS", &ImageDosHeader, &FreeldrDTE);
if (!Status)
{
RemoveEntryList(&BootDdDTE->InLoadOrderLinks);
return EIO;
}
/* Fix imports */
Status = WinLdrScanImportDescriptorTable(&LoaderBlock, "", BootDdDTE);
/* Now unlinkt the DTEs, they won't be valid later */
RemoveEntryList(&BootDdDTE->InLoadOrderLinks);
RemoveEntryList(&FreeldrDTE->InLoadOrderLinks);
if (!Status)
return EIO;