188 lines
3.5 KiB
C++
188 lines
3.5 KiB
C++
/*++
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Copyright (c) 1995-1997 Microsoft Corporation
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Module Name:
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enummod.cxx
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Abstract:
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This module implements a remote module enumerator.
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Author:
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Keith Moore (keithmo) 16-Sep-1997
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Revision History:
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--*/
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#include "inetdbgp.h"
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BOOLEAN
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EnumModules(
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IN PFN_ENUMMODULES EnumProc,
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IN PVOID Param
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)
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/*++
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Routine Description:
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Enumerates all loaded modules in the debugee.
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Arguments:
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EnumProc - An enumeration proc that will be invoked for each module.
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Param - An uninterpreted parameter passed to the enumeration proc.
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Return Value:
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BOOLEAN - TRUE if successful, FALSE otherwise.
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--*/
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{
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PROCESS_BASIC_INFORMATION basicInfo;
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NTSTATUS status;
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PPEB peb;
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PPEB_LDR_DATA ldr;
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PLIST_ENTRY ldrHead, ldrNext;
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PLDR_DATA_TABLE_ENTRY ldrEntry;
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LDR_DATA_TABLE_ENTRY ldrEntryData;
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WCHAR tmpName[MAX_PATH];
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MODULE_INFO moduleInfo;
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//
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// Get the process info.
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//
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status = NtQueryInformationProcess(
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ExtensionCurrentProcess,
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ProcessBasicInformation,
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&basicInfo,
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sizeof(basicInfo),
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NULL
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);
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if( !NT_SUCCESS(status) ) {
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return FALSE;
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}
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peb = basicInfo.PebBaseAddress;
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if( peb == NULL ) {
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return FALSE;
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}
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//
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// ldr = peb->Ldr
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//
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if( !ReadMemory(
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(ULONG_PTR)&peb->Ldr,
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&ldr,
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sizeof(ldr),
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NULL
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) ) {
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return FALSE;
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}
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ldrHead = &ldr->InMemoryOrderModuleList;
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//
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// ldrNext = ldrHead->Flink;
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//
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if( !ReadMemory(
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(ULONG_PTR)&ldrHead->Flink,
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&ldrNext,
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sizeof(ldrNext),
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NULL
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) ) {
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return FALSE;
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}
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while( ldrNext != ldrHead ) {
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if( CheckControlC() ) {
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break;
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}
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//
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// Read the LDR_DATA_TABLE_ENTRY structure and the module name.
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//
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ldrEntry = CONTAINING_RECORD(
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ldrNext,
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LDR_DATA_TABLE_ENTRY,
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InMemoryOrderLinks
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);
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if( !ReadMemory(
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(ULONG_PTR)ldrEntry,
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&ldrEntryData,
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sizeof(ldrEntryData),
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NULL
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) ) {
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return FALSE;
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}
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if( !ReadMemory(
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(ULONG_PTR)ldrEntryData.BaseDllName.Buffer,
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tmpName,
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ldrEntryData.BaseDllName.MaximumLength,
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NULL
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) ) {
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return FALSE;
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}
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wsprintfA(
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moduleInfo.BaseName,
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"%ws",
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tmpName
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);
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if( !ReadMemory(
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(ULONG_PTR)ldrEntryData.FullDllName.Buffer,
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tmpName,
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ldrEntryData.FullDllName.MaximumLength,
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NULL
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) ) {
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return FALSE;
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}
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wsprintfA(
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moduleInfo.FullName,
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"%ws",
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tmpName
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);
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moduleInfo.DllBase = (ULONG_PTR)ldrEntryData.DllBase;
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moduleInfo.EntryPoint = (ULONG_PTR)ldrEntryData.EntryPoint;
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moduleInfo.SizeOfImage = (ULONG)ldrEntryData.SizeOfImage;
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//
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// Invoke the callback.
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//
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if( !(EnumProc)(
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Param,
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&moduleInfo
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) ) {
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break;
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}
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ldrNext = ldrEntryData.InMemoryOrderLinks.Flink;
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}
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return TRUE;
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} // EnumModules
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