mirror of
https://github.com/ufrisk/MemProcFS.git
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765 lines
33 KiB
C
765 lines
33 KiB
C
// pluginmanager.c : implementation of the plugin manager for memory process file system plugins.
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//
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// (c) Ulf Frisk, 2018-2021
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// Author: Ulf Frisk, pcileech@frizk.net
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//
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#include "pluginmanager.h"
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#include "statistics.h"
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#include "charutil.h"
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#include "util.h"
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#include "vmm.h"
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#include "vmmdll.h"
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#include "m_modules.h"
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//
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// This file contains functionality related to keeping track of plugins, both
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// internal built-in ones and loadable plugins in the form of compliant DLLs.
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//
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// The functionality and data structures are at this moment single-threaded in
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// this implementation and should be protected by a lock (ctxVmm->LockMaster).
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//
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// Core module calls are: List, Read, Write.
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// Other module calls are: Notify and Close.
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//
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// In general, a pointer to a stored-away module specific handle is given in
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// every call together with a plugin/process specific pointer to a handle.
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// The plugin/process specific handle is stored per module, per PID.
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//
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// A pProcess struct (if applicable) and a PID is also given in each call
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// together with the module name and path.
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//
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// ----------------------------------------------------------------------------
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// MODULES CORE FUNCTIONALITY - DEFINES BELOW:
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// ----------------------------------------------------------------------------
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typedef struct tdPLUGIN_ENTRY {
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struct tdPLUGIN_ENTRY *FLinkAll;
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struct tdPLUGIN_ENTRY *FLinkNotify;
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struct tdPLUGIN_ENTRY *FLinkForensic;
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HMODULE hDLL;
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CHAR uszName[32];
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DWORD dwNameHash;
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BOOL fRootModule;
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BOOL fProcessModule;
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PVMMDLL_PLUGIN_INTERNAL_CONTEXT ctxM;
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BOOL(*pfnVisibleModule)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP);
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BOOL(*pfnList)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP, _Inout_ PHANDLE pFileList);
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NTSTATUS(*pfnRead)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP, _Out_writes_to_(cb, *pcbRead) PBYTE pb, _In_ DWORD cb, _Out_ PDWORD pcbRead, _In_ QWORD cbOffset);
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NTSTATUS(*pfnWrite)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP, _In_reads_(cb) PBYTE pb, _In_ DWORD cb, _Out_ PDWORD pcbWrite, _In_ QWORD cbOffset);
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VOID(*pfnNotify)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP, _In_ DWORD fEvent, _In_opt_ PVOID pvEvent, _In_opt_ DWORD cbEvent);
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VOID(*pfnClose)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP);
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struct {
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PVOID ctxfc;
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PHANDLE phEventIngestFinish;
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PVOID(*pfnInitialize)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP);
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VOID(*pfnFinalize)(_In_opt_ PVOID ctxfc);
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VOID(*pfnTimeline)(
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_In_opt_ PVOID ctxfc,
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_In_ HANDLE hTimeline,
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_In_ VOID(*pfnAddEntry)(_In_ HANDLE hTimeline, _In_ QWORD ft, _In_ DWORD dwAction, _In_ DWORD dwPID, _In_ DWORD dwData32, _In_ QWORD qwData64, _In_ LPSTR uszText),
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_In_ VOID(*pfnEntryAddBySql)(_In_ HANDLE hTimeline, _In_ DWORD cEntrySql, _In_ LPSTR *pszEntrySql));
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VOID(*pfnLogJSON)(_In_ PVMMDLL_PLUGIN_CONTEXT ctxP, _In_ VOID(*pfnLogJSON)(_In_ PVMMDLL_PLUGIN_FORENSIC_JSONDATA pData));
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VOID(*pfnIngestPhysmem)(_In_opt_ PVOID ctxfc, _In_ PVMMDLL_PLUGIN_FORENSIC_INGEST_PHYSMEM pIngestPhysmem);
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VOID(*pfnIngestFinalize)(_In_opt_ PVOID ctxfc);
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struct {
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PVMMDLL_PLUGIN_FORENSIC_INGEST_PHYSMEM p;
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} IngestPhysmem;
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struct {
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CHAR sNameShort[6];
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CHAR _Reserved[2];
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CHAR szFileUTF8[32];
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} Timeline;
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} fc;
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} PLUGIN_ENTRY, *PPLUGIN_ENTRY;
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#define PLUGIN_TREE_MAX_CHILDITEMS 32
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typedef struct tdPLUGIN_TREE {
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CHAR uszName[32];
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DWORD dwHashName;
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DWORD cChild;
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BOOL fVisible;
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struct tdPLUGIN_TREE *pParent;
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struct tdPLUGIN_TREE *Child[PLUGIN_TREE_MAX_CHILDITEMS];
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PPLUGIN_ENTRY pPlugin;
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} PLUGIN_TREE, *PPLUGIN_TREE;
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VOID PluginManager_Initialize_Python();
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// ----------------------------------------------------------------------------
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// MODULES GENERAL FUNCTIONALITY - IMPLEMENTATION BELOW:
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// ----------------------------------------------------------------------------
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VOID PluginManager_SetTreeVisibility(_In_opt_ PPLUGIN_TREE pTree, _In_ BOOL fVisible)
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{
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DWORD i;
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if(!pTree || (pTree->fVisible == fVisible)) { return; }
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for(i = 0; !fVisible && (i < pTree->cChild); i++) {
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fVisible = pTree->Child[i]->fVisible;
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}
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if(pTree->fVisible != fVisible) {
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pTree->fVisible = fVisible;
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if(fVisible || (pTree->pParent && !pTree->pParent->pPlugin)) {
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PluginManager_SetTreeVisibility(pTree->pParent, fVisible);
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}
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}
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}
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PPLUGIN_TREE PluginManager_Register_GetCreateTree(_In_ PPLUGIN_TREE pTree, _In_ LPSTR uszPathName, _In_ BOOL fVisible)
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{
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DWORD i, dwHash;
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CHAR uszEntry[32];
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PPLUGIN_TREE pChild;
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// 1: no more levels to create - return
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if(!uszPathName[0]) { return pTree; }
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// 2: check existing tree child entries
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uszPathName = CharUtil_PathSplitFirst(uszPathName, uszEntry, _countof(uszEntry));
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dwHash = CharUtil_HashNameFsU(uszEntry, 0);
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for(i = 0; i < pTree->cChild; i++) {
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if(pTree->Child[i]->dwHashName == dwHash) {
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return PluginManager_Register_GetCreateTree(pTree->Child[i], uszPathName, fVisible);
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}
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}
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// 3: create new entry
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if(pTree->cChild == PLUGIN_TREE_MAX_CHILDITEMS) { return NULL; }
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if(!(pTree->Child[pTree->cChild] = pChild = LocalAlloc(LMEM_ZEROINIT, sizeof(PLUGIN_TREE)))) { return NULL; }
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pTree->cChild++;
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strncpy_s(pChild->uszName, _countof(pChild->uszName), uszEntry, _TRUNCATE);
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pChild->dwHashName = dwHash;
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pChild->pParent = pTree;
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PluginManager_SetTreeVisibility(pChild, fVisible);
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return PluginManager_Register_GetCreateTree(pChild, uszPathName, fVisible);
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}
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/*
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* Retrieve the PLUGIN_TREE entry and the remaining path given a root tree and a root path.
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* -- pTree
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* -- uszPath
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* -- pTree
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* -- pwszSubPath
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*/
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VOID PluginManager_GetTree(_In_ PPLUGIN_TREE pTree, _In_ LPSTR uszPath, _Out_ PPLUGIN_TREE *ppTree, _Out_ LPSTR *puszSubPath)
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{
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DWORD i, dwHash;
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CHAR uszEntry[32];
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LPSTR uszSubPath;
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if(!uszPath[0]) { goto finish; }
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uszSubPath = CharUtil_PathSplitFirst(uszPath, uszEntry, _countof(uszEntry));
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dwHash = CharUtil_HashNameFsU(uszEntry, 0);
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for(i = 0; i < pTree->cChild; i++) {
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if(pTree->Child[i]->dwHashName == dwHash) {
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PluginManager_GetTree(pTree->Child[i], uszSubPath, ppTree, puszSubPath);
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return;
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}
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}
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finish:
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*ppTree = pTree;
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*puszSubPath = uszPath;
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}
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VOID PluginManager_SetVisibility(_In_ BOOL fRoot, _In_ LPSTR uszPluginPath, _In_ BOOL fVisible)
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{
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LPSTR uszSubPath;
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PPLUGIN_TREE pTree;
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if(uszPluginPath[0] == '\\') { uszPluginPath++; }
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PluginManager_GetTree((fRoot ? ctxVmm->PluginManager.Root : ctxVmm->PluginManager.Proc), uszPluginPath, &pTree, &uszSubPath);
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PluginManager_SetTreeVisibility(pTree, fVisible);
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}
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BOOL PluginManager_ModuleExistsDll(_In_opt_ HMODULE hDLL) {
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PPLUGIN_ENTRY pModule = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkAll;
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while(pModule) {
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if(hDLL && (hDLL == pModule->hDLL)) { return TRUE; }
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pModule = pModule->FLinkAll;
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}
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return FALSE;
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}
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BOOL PluginManager_ModuleExists(_In_ PPLUGIN_TREE pTree, _In_ LPSTR uszPath) {
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LPSTR uszSubPath;
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PPLUGIN_TREE pTreePlugin;
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PluginManager_GetTree(pTree, uszPath, &pTreePlugin, &uszSubPath);
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return pTreePlugin->pPlugin && !uszSubPath[0];
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}
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VOID PluginManager_ContextInitialize(_Out_ PVMMDLL_PLUGIN_CONTEXT ctx, PPLUGIN_ENTRY pModule, _In_opt_ PVMM_PROCESS pProcess, _In_opt_ LPSTR uszPath)
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{
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ctx->magic = VMMDLL_PLUGIN_CONTEXT_MAGIC;
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ctx->wVersion = VMMDLL_PLUGIN_CONTEXT_VERSION;
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ctx->wSize = sizeof(VMMDLL_PLUGIN_CONTEXT);
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ctx->dwPID = (pProcess ? pProcess->dwPID : (DWORD)-1);
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ctx->pProcess = pModule->hDLL ? NULL : pProcess;
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ctx->uszModule = pModule->uszName;
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ctx->uszPath = uszPath;
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ctx->ctxM = pModule->ctxM;
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}
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VOID PluginManager_List(_In_opt_ PVMM_PROCESS pProcess, _In_ LPSTR uszPath, _Inout_ PHANDLE pFileList)
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{
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DWORD i;
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BOOL fVisibleProgrammatic, result = TRUE;
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QWORD tmStart = Statistics_CallStart();
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VMMDLL_PLUGIN_CONTEXT ctxPlugin;
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LPSTR uszSubPath;
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PPLUGIN_TREE pTree;
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PPLUGIN_ENTRY pPlugin;
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pTree = pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root;
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if(!pTree) { return; }
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PluginManager_GetTree((pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root), uszPath, &pTree, &uszSubPath);
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if(pTree->fVisible) {
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if(pTree->cChild && !uszSubPath[0]) {
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for(i = 0; i < pTree->cChild; i++) {
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if(pTree->Child[i]->fVisible) {
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fVisibleProgrammatic = pTree->Child[i]->cChild || !pTree->Child[i]->pPlugin || !pTree->Child[i]->pPlugin->pfnVisibleModule;
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if(!fVisibleProgrammatic) {
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PluginManager_ContextInitialize(&ctxPlugin, pTree->Child[i]->pPlugin, pProcess, uszSubPath);
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fVisibleProgrammatic = pTree->Child[i]->pPlugin->pfnVisibleModule(&ctxPlugin);
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}
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if(fVisibleProgrammatic) {
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VMMDLL_VfsList_AddDirectory(pFileList, pTree->Child[i]->uszName, NULL);
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}
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}
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}
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}
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if((pPlugin = pTree->pPlugin) && pPlugin->pfnList) {
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PluginManager_ContextInitialize(&ctxPlugin, pPlugin, pProcess, uszSubPath);
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if(!pPlugin->pfnVisibleModule || pPlugin->pfnVisibleModule(&ctxPlugin)) {
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pTree->pPlugin->pfnList(&ctxPlugin, pFileList);
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}
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}
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_List, tmStart);
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}
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NTSTATUS PluginManager_Read(_In_opt_ PVMM_PROCESS pProcess, _In_ LPSTR uszPath, _Out_writes_to_(cb, *pcbRead) PBYTE pb, _In_ DWORD cb, _Out_ PDWORD pcbRead, _In_ QWORD cbOffset)
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{
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QWORD tmStart = Statistics_CallStart();
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NTSTATUS nt;
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VMMDLL_PLUGIN_CONTEXT ctxPlugin;
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LPSTR uszSubPath;
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PPLUGIN_TREE pTree;
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PPLUGIN_ENTRY pPlugin;
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pTree = pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root;
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if(!pTree) { return VMMDLL_STATUS_FILE_INVALID; }
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PluginManager_GetTree((pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root), uszPath, &pTree, &uszSubPath);
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if(pTree->fVisible) {
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if((pPlugin = pTree->pPlugin) && pPlugin->pfnRead) {
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PluginManager_ContextInitialize(&ctxPlugin, pPlugin, pProcess, uszSubPath);
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nt = pPlugin->pfnRead(&ctxPlugin, pb, cb, pcbRead, cbOffset);
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Statistics_CallEnd(STATISTICS_ID_PluginManager_Read, tmStart);
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return nt;
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}
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_Read, tmStart);
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return VMMDLL_STATUS_FILE_INVALID;
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}
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NTSTATUS PluginManager_Write(_In_opt_ PVMM_PROCESS pProcess, _In_ LPSTR uszPath, _In_reads_(cb) PBYTE pb, _In_ DWORD cb, _Out_ PDWORD pcbWrite, _In_ QWORD cbOffset)
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{
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QWORD tmStart = Statistics_CallStart();
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NTSTATUS nt;
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VMMDLL_PLUGIN_CONTEXT ctxPlugin;
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LPSTR uszSubPath;
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PPLUGIN_TREE pTree;
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PPLUGIN_ENTRY pPlugin;
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pTree = pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root;
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if(!pTree) { return VMMDLL_STATUS_FILE_INVALID; }
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PluginManager_GetTree((pProcess ? ctxVmm->PluginManager.Proc : ctxVmm->PluginManager.Root), uszPath, &pTree, &uszSubPath);
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if(pTree->fVisible) {
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if((pPlugin = pTree->pPlugin) && pPlugin->pfnWrite) {
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PluginManager_ContextInitialize(&ctxPlugin, pPlugin, pProcess, uszSubPath);
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nt = pPlugin->pfnWrite(&ctxPlugin, pb, cb, pcbWrite, cbOffset);
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Statistics_CallEnd(STATISTICS_ID_PluginManager_Write, tmStart);
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return nt;
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}
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_Write, tmStart);
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return VMMDLL_STATUS_FILE_INVALID;
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}
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BOOL PluginManager_Notify(_In_ DWORD fEvent, _In_opt_ PVOID pvEvent, _In_opt_ DWORD cbEvent)
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{
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VMMDLL_PLUGIN_CONTEXT ctxPlugin;
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pPlugin = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkNotify;
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while(pPlugin) {
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if(pPlugin->pfnNotify) {
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PluginManager_ContextInitialize(&ctxPlugin, pPlugin, NULL, NULL);
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pPlugin->pfnNotify(&ctxPlugin, fEvent, pvEvent, cbEvent);
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}
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pPlugin = pPlugin->FLinkNotify;
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_Notify, tmStart);
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return TRUE;
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}
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/*
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* Initialize plugins with forensic mode capabilities.
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*/
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VOID PluginManager_FcInitialize()
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{
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VMMDLL_PLUGIN_CONTEXT ctxPlugin;
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pPlugin = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
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while(pPlugin) {
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if(pPlugin->fc.pfnInitialize) {
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PluginManager_ContextInitialize(&ctxPlugin, pPlugin, NULL, NULL);
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pPlugin->fc.ctxfc = pPlugin->fc.pfnInitialize(&ctxPlugin);
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}
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pPlugin = pPlugin->FLinkForensic;
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_FcInitialize, tmStart);
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}
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/*
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* Finalize plugins with forensic mode capabilities.
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*/
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VOID PluginManager_FcFinalize()
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{
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pModule = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
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while(pModule) {
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if(pModule->fc.pfnFinalize) {
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pModule->fc.pfnFinalize(pModule->fc.ctxfc);
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pModule->fc.ctxfc = NULL;
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}
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pModule = pModule->FLinkForensic;
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_FcFinalize, tmStart);
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}
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/*
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* Worker thread entry point:
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* Ingest physical memory into plugins with forensic mode capabilities.
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* -- pModule
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*/
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VOID PluginManager_FcIngestPhysmem_ThreadProc(PPLUGIN_ENTRY pModule)
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{
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pModule->fc.pfnIngestPhysmem(pModule->fc.ctxfc, pModule->fc.IngestPhysmem.p);
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}
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/*
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* Ingest physical memory into plugins with forensic mode capabilities.
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* -- pIngestPhysmem
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*/
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VOID PluginManager_FcIngestPhysmem(_In_ PVMMDLL_PLUGIN_FORENSIC_INGEST_PHYSMEM pIngestPhysmem)
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{
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pModule = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
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while(pModule) {
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if(pModule->fc.pfnIngestPhysmem) {
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ResetEvent(pModule->fc.phEventIngestFinish);
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pModule->fc.IngestPhysmem.p = pIngestPhysmem;
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// ingestion will happen in parallel between all plugins, but this
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// function will wait for all ingestion to finish before exiting.
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VmmWork((LPTHREAD_START_ROUTINE)PluginManager_FcIngestPhysmem_ThreadProc, pModule, pModule->fc.phEventIngestFinish);
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}
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pModule = pModule->FLinkForensic;
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}
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WaitForMultipleObjects(ctxVmm->PluginManager.fc.cEvent, ctxVmm->PluginManager.fc.hEvent, TRUE, INFINITE);
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Statistics_CallEnd(STATISTICS_ID_PluginManager_FcIngestPhysmem, tmStart);
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}
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/*
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* All ingestion actions are completed.
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*/
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VOID PluginManager_FcIngestFinalize()
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{
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pModule = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
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while(pModule) {
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if(pModule->fc.pfnIngestFinalize) {
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pModule->fc.pfnIngestFinalize(pModule->fc.ctxfc);
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}
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pModule = pModule->FLinkForensic;
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}
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Statistics_CallEnd(STATISTICS_ID_PluginManager_FcIngestPhysmem, tmStart);
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}
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/*
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* Register plugins with timelining capabilities with the timeline manager
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* and call into each plugin to allow them to add their timelining entries.
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* NB! This function is meant to be called by the core forensic subsystem only.
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* -- pfnRegister = callback function to register timeline module.
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* -- pfnClose = function to close the timeline handle.
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* -- pfnAddEntry = callback function to call to add a timelining entry.
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*/
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VOID PluginManager_FcTimeline(
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_In_ HANDLE(*pfnRegister)(_In_reads_(6) LPSTR sNameShort, _In_reads_(32) LPSTR szFileUTF8),
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_In_ VOID(*pfnClose)(_In_ HANDLE hTimeline),
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_In_ VOID(*pfnAddEntry)(_In_ HANDLE hTimeline, _In_ QWORD ft, _In_ DWORD dwAction, _In_ DWORD dwPID, _In_ DWORD dwData32, _In_ QWORD qwData64, _In_ LPSTR uszText),
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_In_ VOID(*pfnEntryAddBySql)(_In_ HANDLE hTimeline, _In_ DWORD cEntrySql, _In_ LPSTR *pszEntrySql)
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) {
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HANDLE hTimeline;
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QWORD tmStart = Statistics_CallStart();
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PPLUGIN_ENTRY pModule = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
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while(pModule) {
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if(pModule->fc.pfnTimeline) {
|
|
hTimeline = pfnRegister(pModule->fc.Timeline.sNameShort, pModule->fc.Timeline.szFileUTF8);
|
|
if(hTimeline) {
|
|
pModule->fc.pfnTimeline(pModule->fc.ctxfc, hTimeline, pfnAddEntry, pfnEntryAddBySql);
|
|
pfnClose(hTimeline);
|
|
}
|
|
}
|
|
pModule = pModule->FLinkForensic;
|
|
}
|
|
Statistics_CallEnd(STATISTICS_ID_PluginManager_FcTimeline, tmStart);
|
|
}
|
|
|
|
/*
|
|
* Call each plugin capable of forensic json log. Plugins may be process or global.
|
|
* NB! This function is meant to be called by the core forensic subsystem only.
|
|
* -- pfnAddEntry = callback function to call to add a json entry.
|
|
* -- return = 0 (to make function compatible with LPTHREAD_START_ROUTINE).
|
|
*/
|
|
DWORD PluginManager_FcLogJSON(_In_ VOID(*pfnLogJSON)(_In_ PVMMDLL_PLUGIN_FORENSIC_JSONDATA pData))
|
|
{
|
|
VMMDLL_PLUGIN_CONTEXT ctxPlugin;
|
|
QWORD tmStart = Statistics_CallStart();
|
|
PPLUGIN_ENTRY pPlugin = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
|
|
PVMM_PROCESS pObProcess = NULL;
|
|
while(pPlugin && ctxVmm->Work.fEnabled) {
|
|
if(pPlugin->fc.pfnLogJSON) {
|
|
// global plugins:
|
|
PluginManager_ContextInitialize(&ctxPlugin, pPlugin, NULL, NULL);
|
|
pPlugin->fc.pfnLogJSON(&ctxPlugin, pfnLogJSON);
|
|
// per-process plugins:
|
|
while((pObProcess = VmmProcessGetNext(pObProcess, 0))) {
|
|
PluginManager_ContextInitialize(&ctxPlugin, pPlugin, pObProcess, NULL);
|
|
pPlugin->fc.pfnLogJSON(&ctxPlugin, pfnLogJSON);
|
|
}
|
|
}
|
|
pPlugin = pPlugin->FLinkForensic;
|
|
}
|
|
Statistics_CallEnd(STATISTICS_ID_PluginManager_FcLogJSON, tmStart);
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// MODULES REGISTRATION/CLEANUP FUNCTIONALITY - IMPLEMENTATION BELOW:
|
|
// ----------------------------------------------------------------------------
|
|
|
|
BOOL PluginManager_Register(_In_ PVMMDLL_PLUGIN_REGINFO pRegInfo)
|
|
{
|
|
DWORD iPluginNameStart;
|
|
LPSTR uszPluginName;
|
|
PPLUGIN_ENTRY pModule;
|
|
PPLUGIN_TREE pPluginTreeEntry;
|
|
// 1: tests if plugin is valid
|
|
pRegInfo->reg_info.uszPathName[127] = 0;
|
|
if(ctxVmm->PluginManager.fc.cEvent >= _countof(ctxVmm->PluginManager.fc.hEvent)) { return FALSE; }
|
|
if(!pRegInfo || (pRegInfo->magic != VMMDLL_PLUGIN_REGINFO_MAGIC) || (pRegInfo->wVersion > VMMDLL_PLUGIN_REGINFO_VERSION)) { return FALSE; }
|
|
if(!pRegInfo->reg_info.uszPathName[0]) { return FALSE; }
|
|
uszPluginName = CharUtil_PathSplitLast(pRegInfo->reg_info.uszPathName);
|
|
if(strlen(uszPluginName) > 31) { return FALSE; }
|
|
if(pRegInfo->reg_info.fRootModule && PluginManager_ModuleExists(ctxVmm->PluginManager.Root, pRegInfo->reg_info.uszPathName)) { return FALSE; }
|
|
if(pRegInfo->reg_info.fProcessModule && PluginManager_ModuleExists(ctxVmm->PluginManager.Proc, pRegInfo->reg_info.uszPathName)) { return FALSE; }
|
|
pModule = (PPLUGIN_ENTRY)LocalAlloc(LMEM_ZEROINIT, sizeof(PLUGIN_ENTRY));
|
|
if(!pModule) { return FALSE; }
|
|
if(!pRegInfo->reg_info.fRootModule && !pRegInfo->reg_info.fProcessModule) { return FALSE; }
|
|
// 2: register plugin
|
|
pModule->hDLL = pRegInfo->hDLL;
|
|
strncpy_s(pModule->uszName, 32, uszPluginName, _TRUNCATE);
|
|
pModule->dwNameHash = CharUtil_HashNameFsU(pModule->uszName, TRUE);
|
|
pModule->fRootModule = pRegInfo->reg_info.fRootModule;
|
|
pModule->fProcessModule = pRegInfo->reg_info.fProcessModule;
|
|
pModule->ctxM = pRegInfo->reg_info.ctxM;
|
|
pModule->pfnList = pRegInfo->reg_fn.pfnList;
|
|
pModule->pfnRead = pRegInfo->reg_fn.pfnRead;
|
|
pModule->pfnWrite = pRegInfo->reg_fn.pfnWrite;
|
|
pModule->pfnNotify = pRegInfo->reg_fn.pfnNotify;
|
|
pModule->pfnClose = pRegInfo->reg_fn.pfnClose;
|
|
pModule->pfnVisibleModule = pRegInfo->reg_fn.pfnVisibleModule;
|
|
// 3: register plugin (forensic functionality)
|
|
pModule->fc.pfnInitialize = pRegInfo->reg_fnfc.pfnInitialize;
|
|
pModule->fc.pfnFinalize = pRegInfo->reg_fnfc.pfnFinalize;
|
|
pModule->fc.pfnTimeline = pRegInfo->reg_fnfc.pfnTimeline;
|
|
pModule->fc.pfnLogJSON = pRegInfo->reg_fnfc.pfnLogJSON;
|
|
pModule->fc.pfnIngestPhysmem = pRegInfo->reg_fnfc.pfnIngestPhysmem;
|
|
pModule->fc.pfnIngestFinalize = pRegInfo->reg_fnfc.pfnIngestFinalize;
|
|
memcpy(pModule->fc.Timeline.sNameShort, pRegInfo->reg_info.sTimelineNameShort, _countof(pModule->fc.Timeline.sNameShort));
|
|
memcpy(pModule->fc.Timeline.szFileUTF8, pRegInfo->reg_info.uszTimelineFile, _countof(pModule->fc.Timeline.szFileUTF8));
|
|
if(pRegInfo->reg_fnfc.pfnIngestPhysmem) {
|
|
ctxVmm->PluginManager.fc.hEvent[ctxVmm->PluginManager.fc.cEvent] = CreateEvent(NULL, TRUE, TRUE, NULL);
|
|
pModule->fc.phEventIngestFinish = ctxVmm->PluginManager.fc.hEvent[ctxVmm->PluginManager.fc.cEvent++];
|
|
}
|
|
vmmprintfv("PluginManager: Loaded %s module: '%s'\n", (pModule->hDLL ? " native " : "built-in"), pRegInfo->reg_info.uszPathName);
|
|
if(pModule->pfnNotify) {
|
|
pModule->FLinkNotify = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkNotify;
|
|
ctxVmm->PluginManager.FLinkNotify = pModule;
|
|
}
|
|
if(pModule->fc.pfnInitialize || pModule->fc.pfnFinalize || pModule->fc.pfnTimeline || pModule->fc.pfnLogJSON || pModule->fc.pfnIngestPhysmem || pModule->fc.pfnIngestFinalize) {
|
|
pModule->FLinkForensic = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkForensic;
|
|
ctxVmm->PluginManager.FLinkForensic = pModule;
|
|
}
|
|
pModule->FLinkAll = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkAll;
|
|
ctxVmm->PluginManager.FLinkAll = pModule;
|
|
// 3: register plugin in plugin tree
|
|
iPluginNameStart = (pRegInfo->reg_info.uszPathName[0] == '\\') ? 1 : 0;
|
|
if(pModule->fRootModule) {
|
|
pPluginTreeEntry = PluginManager_Register_GetCreateTree(ctxVmm->PluginManager.Root, pRegInfo->reg_info.uszPathName + iPluginNameStart, !pRegInfo->reg_info.fRootModuleHidden);
|
|
if(pPluginTreeEntry && !pPluginTreeEntry->pPlugin) {
|
|
pPluginTreeEntry->pPlugin = pModule;
|
|
}
|
|
}
|
|
if(pModule->fProcessModule) {
|
|
pPluginTreeEntry = PluginManager_Register_GetCreateTree(ctxVmm->PluginManager.Proc, pRegInfo->reg_info.uszPathName + iPluginNameStart, !pRegInfo->reg_info.fProcessModuleHidden);
|
|
if(pPluginTreeEntry && !pPluginTreeEntry->pPlugin) {
|
|
pPluginTreeEntry->pPlugin = pModule;
|
|
}
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
VOID PluginManager_Close_Tree(_In_ PPLUGIN_TREE pTree)
|
|
{
|
|
DWORD i;
|
|
if(!pTree) { return; }
|
|
for(i = 0; i < pTree->cChild; i++) {
|
|
PluginManager_Close_Tree(pTree->Child[i]);
|
|
}
|
|
LocalFree(pTree);
|
|
}
|
|
|
|
VOID PluginManager_Close()
|
|
{
|
|
PPLUGIN_ENTRY pPlugin;
|
|
VMMDLL_PLUGIN_CONTEXT ctxPlugin;
|
|
PPLUGIN_TREE pTreeRoot = ctxVmm->PluginManager.Root, pTreeProc = ctxVmm->PluginManager.Proc;
|
|
ctxVmm->PluginManager.Root = NULL;
|
|
ctxVmm->PluginManager.Proc = NULL;
|
|
PluginManager_Close_Tree(pTreeRoot);
|
|
PluginManager_Close_Tree(pTreeProc);
|
|
ctxVmm->PluginManager.FLinkNotify = NULL;
|
|
while((pPlugin = (PPLUGIN_ENTRY)ctxVmm->PluginManager.FLinkAll)) {
|
|
// 1: Detach current module list entry from list
|
|
ctxVmm->PluginManager.FLinkAll = pPlugin->FLinkAll;
|
|
// 2: Close module callback
|
|
if(pPlugin->pfnClose) {
|
|
PluginManager_ContextInitialize(&ctxPlugin, pPlugin, NULL, NULL);
|
|
pPlugin->pfnClose(&ctxPlugin);
|
|
}
|
|
// 3: FreeLibrary (if last module belonging to specific Library)
|
|
if(pPlugin->hDLL && !PluginManager_ModuleExistsDll(pPlugin->hDLL)) { FreeLibrary(pPlugin->hDLL); }
|
|
// 4: LocalFree this ListEntry
|
|
LocalFree(pPlugin);
|
|
}
|
|
// 5: Clean up events
|
|
while(ctxVmm->PluginManager.fc.cEvent) {
|
|
CloseHandle(ctxVmm->PluginManager.fc.hEvent[--ctxVmm->PluginManager.fc.cEvent]);
|
|
}
|
|
}
|
|
|
|
VOID PluginManager_Initialize_RegInfoInit(_Out_ PVMMDLL_PLUGIN_REGINFO pRI, _In_opt_ HMODULE hDLL)
|
|
{
|
|
ZeroMemory(pRI, sizeof(VMMDLL_PLUGIN_REGINFO));
|
|
pRI->magic = VMMDLL_PLUGIN_REGINFO_MAGIC;
|
|
pRI->wVersion = VMMDLL_PLUGIN_REGINFO_VERSION;
|
|
pRI->wSize = sizeof(VMMDLL_PLUGIN_REGINFO);
|
|
pRI->hDLL = hDLL;
|
|
pRI->tpMemoryModel = ctxVmm->tpMemoryModel;
|
|
pRI->tpSystem = ctxVmm->tpSystem;
|
|
pRI->pfnPluginManager_Register = PluginManager_Register;
|
|
pRI->sysinfo.f32 = ctxVmm->f32;
|
|
pRI->sysinfo.dwVersionMajor = ctxVmm->kernel.dwVersionMajor;
|
|
pRI->sysinfo.dwVersionMinor = ctxVmm->kernel.dwVersionMinor;
|
|
pRI->sysinfo.dwVersionBuild = ctxVmm->kernel.dwVersionBuild;
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
VOID PluginManager_Initialize_Python()
|
|
{
|
|
LPSTR szPYTHON_VERSIONS_SUPPORTED[] = { "python315.dll", "python314.dll", "python313.dll", "python312.dll", "python311.dll", "python310.dll", "python39.dll", "python38.dll", "python37.dll", "python36.dll" };
|
|
DWORD cszPYTHON_VERSIONS_SUPPORTED = (sizeof(szPYTHON_VERSIONS_SUPPORTED) / sizeof(LPSTR));
|
|
DWORD i;
|
|
BOOL fBitnessFail = FALSE, fPythonStandalone = FALSE;
|
|
VMMDLL_PLUGIN_REGINFO ri;
|
|
CHAR szPythonPath[MAX_PATH];
|
|
HMODULE hDllPython3X = NULL, hDllPython3 = NULL, hDllPyPlugin = NULL;
|
|
VOID(*pfnInitializeVmmPlugin)(_In_ PVMMDLL_PLUGIN_REGINFO pRegInfo);
|
|
// 0: Verify that Python should be enabled
|
|
if(ctxMain->cfg.fDisablePython) { return; }
|
|
// 1: Locate Python by trying user-defined path
|
|
if(ctxMain->cfg.szPythonPath[0]) {
|
|
for(i = 0; i < cszPYTHON_VERSIONS_SUPPORTED; i++) {
|
|
ZeroMemory(szPythonPath, MAX_PATH);
|
|
strcpy_s(szPythonPath, MAX_PATH, ctxMain->cfg.szPythonPath);
|
|
strcat_s(szPythonPath, MAX_PATH, "\\");
|
|
strcat_s(szPythonPath, MAX_PATH, szPYTHON_VERSIONS_SUPPORTED[i]);
|
|
hDllPython3X = LoadLibraryExA(szPythonPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
|
|
if(hDllPython3X) { break; }
|
|
fBitnessFail = fBitnessFail || (ERROR_BAD_EXE_FORMAT == GetLastError());
|
|
}
|
|
if(!hDllPython3X) {
|
|
ZeroMemory(ctxMain->cfg.szPythonPath, MAX_PATH);
|
|
vmmprintf(
|
|
fBitnessFail ?
|
|
"PluginManager: Python initialization failed. Unable to load 32-bit Python. 64-bit required.\n" :
|
|
"PluginManager: Python initialization failed. Python 3.6 or later not found on user specified path.\n"
|
|
);
|
|
return;
|
|
}
|
|
}
|
|
// 2: If Python is already loaded - use it!
|
|
if(0 == ctxMain->cfg.szPythonPath[0]) {
|
|
for(i = 0; i < cszPYTHON_VERSIONS_SUPPORTED; i++) {
|
|
if((hDllPython3X = GetModuleHandleA(szPYTHON_VERSIONS_SUPPORTED[i]))) {
|
|
GetModuleFileNameA(hDllPython3X, szPythonPath, MAX_PATH);
|
|
hDllPython3X = LoadLibraryA(szPythonPath);
|
|
if(hDllPython3X) {
|
|
Util_GetPathDll(ctxMain->cfg.szPythonPath, hDllPython3X);
|
|
fPythonStandalone = TRUE;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// 3: Try locate Python by checking the python36 sub-directory relative to the current executable (.exe).
|
|
if(0 == ctxMain->cfg.szPythonPath[0]) {
|
|
for(i = 0; i < cszPYTHON_VERSIONS_SUPPORTED; i++) {
|
|
ZeroMemory(szPythonPath, MAX_PATH);
|
|
Util_GetPathDll(szPythonPath, NULL);
|
|
strcat_s(szPythonPath, MAX_PATH, "python\\");
|
|
strcat_s(szPythonPath, MAX_PATH, szPYTHON_VERSIONS_SUPPORTED[i]);
|
|
hDllPython3X = LoadLibraryExA(szPythonPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
|
|
if(hDllPython3X) { break; }
|
|
fBitnessFail = fBitnessFail || (ERROR_BAD_EXE_FORMAT == GetLastError());
|
|
}
|
|
if(hDllPython3X) {
|
|
Util_GetPathDll(ctxMain->cfg.szPythonPath, NULL);
|
|
strcat_s(ctxMain->cfg.szPythonPath, MAX_PATH, "python\\");
|
|
}
|
|
}
|
|
// 4: Try locate Python by loading from the current path.
|
|
if(0 == ctxMain->cfg.szPythonPath[0]) {
|
|
for(i = 0; i < cszPYTHON_VERSIONS_SUPPORTED; i++) {
|
|
hDllPython3X = LoadLibraryA(szPYTHON_VERSIONS_SUPPORTED[i]);
|
|
if(hDllPython3X) { break; }
|
|
fBitnessFail = fBitnessFail || (ERROR_BAD_EXE_FORMAT == GetLastError());
|
|
}
|
|
if(hDllPython3X) {
|
|
Util_GetPathDll(ctxMain->cfg.szPythonPath, hDllPython3X);
|
|
}
|
|
}
|
|
// 5: Python is not found?
|
|
if(0 == ctxMain->cfg.szPythonPath[0]) {
|
|
vmmprintf(
|
|
fBitnessFail ?
|
|
"PluginManager: Python initialization failed. Unable to load 32-bit Python. 64-bit required.\n" :
|
|
"PluginManager: Python initialization failed. Python 3.6 or later not found.\n"
|
|
);
|
|
goto fail;
|
|
}
|
|
// 6: Load Python3.dll as well (i.e. prevent vmmpyc.pyd to fetch the wrong one by mistake...)
|
|
Util_GetPathDll(szPythonPath, hDllPython3X);
|
|
strcat_s(szPythonPath, MAX_PATH, "python3.dll");
|
|
hDllPython3 = LoadLibraryExA(szPythonPath, 0, LOAD_WITH_ALTERED_SEARCH_PATH);
|
|
// 7: process 'special status' python plugin manager.
|
|
hDllPyPlugin = LoadLibraryA("vmmpyc.pyd");
|
|
if(!hDllPyPlugin) {
|
|
vmmprintf("PluginManager: Python plugin manager failed to load.\n");
|
|
goto fail;
|
|
}
|
|
pfnInitializeVmmPlugin = (VOID(*)(PVMMDLL_PLUGIN_REGINFO))GetProcAddress(hDllPyPlugin, "InitializeVmmPlugin");
|
|
if(!pfnInitializeVmmPlugin) {
|
|
vmmprintf("PluginManager: Python plugin manager failed to load due to corrupt DLL.\n");
|
|
goto fail;
|
|
}
|
|
PluginManager_Initialize_RegInfoInit(&ri, hDllPyPlugin);
|
|
ri.python.fPythonStandalone = fPythonStandalone;
|
|
ri.python.hReservedDllPython3X = hDllPython3X;
|
|
ri.python.hReservedDllPython3 = hDllPython3;
|
|
pfnInitializeVmmPlugin(&ri);
|
|
if(!PluginManager_ModuleExistsDll(hDllPyPlugin)) {
|
|
vmmprintf("PluginManager: Python plugin manager failed to load due to internal error.\n");
|
|
return;
|
|
}
|
|
vmmprintfv("PluginManager: Python plugin loaded.\n");
|
|
if(hDllPython3X) { FreeLibrary(hDllPython3X); }
|
|
return;
|
|
fail:
|
|
if(hDllPyPlugin) { FreeLibrary(hDllPyPlugin); }
|
|
if(hDllPython3X) { FreeLibrary(hDllPython3X); }
|
|
if(hDllPython3) { FreeLibrary(hDllPython3); }
|
|
}
|
|
|
|
VOID PluginManager_Initialize_ExternalDlls()
|
|
{
|
|
VMMDLL_PLUGIN_REGINFO ri;
|
|
CHAR szPath[MAX_PATH];
|
|
DWORD cchPathBase;
|
|
HANDLE hFindFile;
|
|
WIN32_FIND_DATAA FindData;
|
|
HMODULE hDLL;
|
|
VOID(*pfnInitializeVmmPlugin)(_In_ PVMMDLL_PLUGIN_REGINFO pRegInfo);
|
|
Util_GetPathDll(szPath, NULL);
|
|
cchPathBase = (DWORD)strnlen(szPath, MAX_PATH - 1);
|
|
strcat_s(szPath, MAX_PATH, "plugins\\m_*.dll");
|
|
hFindFile = FindFirstFileA(szPath, &FindData);
|
|
if(hFindFile != INVALID_HANDLE_VALUE) {
|
|
do {
|
|
szPath[min(cchPathBase, MAX_PATH - 1)] = '\0';
|
|
strcat_s(szPath, MAX_PATH, "plugins\\");
|
|
strcat_s(szPath, MAX_PATH, FindData.cFileName);
|
|
hDLL = LoadLibraryExA(szPath, 0, 0);
|
|
if(!hDLL) {
|
|
vmmprintfvv("PluginManager: FAIL: Load DLL: '%s' - missing dependencies?\n", FindData.cFileName);
|
|
continue;
|
|
}
|
|
vmmprintfvv("PluginManager: Load DLL: '%s'\n", FindData.cFileName);
|
|
pfnInitializeVmmPlugin = (VOID(*)(PVMMDLL_PLUGIN_REGINFO))GetProcAddress(hDLL, "InitializeVmmPlugin");
|
|
if(!pfnInitializeVmmPlugin) {
|
|
vmmprintfvv("PluginManager: UnLoad DLL: '%s' - Plugin Entry Point not found.\n", FindData.cFileName);
|
|
FreeLibrary(hDLL);
|
|
continue;
|
|
}
|
|
PluginManager_Initialize_RegInfoInit(&ri, hDLL);
|
|
pfnInitializeVmmPlugin(&ri);
|
|
if(!PluginManager_ModuleExistsDll(hDLL)) {
|
|
vmmprintfvv("PluginManager: UnLoad DLL: '%s' - not registered with plugin manager.\n", FindData.cFileName);
|
|
FreeLibrary(hDLL);
|
|
continue;
|
|
}
|
|
} while(FindNextFileA(hFindFile, &FindData));
|
|
}
|
|
}
|
|
|
|
#endif /* _WIN32 */
|
|
#ifdef LINUX
|
|
VOID PluginManager_Initialize_Python() { return; }
|
|
VOID PluginManager_Initialize_ExternalDlls() { return; }
|
|
#endif /* LINUX */
|
|
|
|
BOOL PluginManager_Initialize()
|
|
{
|
|
DWORD i;
|
|
VMMDLL_PLUGIN_REGINFO ri;
|
|
// 1: check if already initialized
|
|
if(ctxVmm->PluginManager.FLinkAll) { return FALSE; }
|
|
EnterCriticalSection(&ctxVmm->LockMaster);
|
|
if(ctxVmm->PluginManager.FLinkAll) { goto fail; }
|
|
// 2: set up root nodes of process plugin tree
|
|
ctxVmm->PluginManager.Root = LocalAlloc(LMEM_ZEROINIT, sizeof(PLUGIN_TREE));
|
|
ctxVmm->PluginManager.Proc = LocalAlloc(LMEM_ZEROINIT, sizeof(PLUGIN_TREE));
|
|
if(!ctxVmm->PluginManager.Root || !ctxVmm->PluginManager.Proc) { goto fail; }
|
|
// 3: process built-in modules
|
|
for(i = 0; i < sizeof(g_pfnModulesAllInternal) / sizeof(PVOID); i++) {
|
|
PluginManager_Initialize_RegInfoInit(&ri, NULL);
|
|
g_pfnModulesAllInternal[i](&ri);
|
|
}
|
|
// 4: process dll modules
|
|
PluginManager_Initialize_ExternalDlls();
|
|
// 5: process 'special status' python plugin manager.
|
|
PluginManager_Initialize_Python();
|
|
LeaveCriticalSection(&ctxVmm->LockMaster);
|
|
return TRUE;
|
|
fail:
|
|
LeaveCriticalSection(&ctxVmm->LockMaster);
|
|
return FALSE;
|
|
}
|