windows-hookdll-20050419
[openafs.git] / src / WINNT / afsd / afsd_service.c
index 43fcb78..a539363 100644 (file)
@@ -11,6 +11,9 @@
 #include <afs/stds.h>
 
 #include <windows.h>
+#include <softpub.h>
+#include <psapi.h>
+#include <winerror.h>
 #include <string.h>
 #include <setjmp.h>
 #include "afsd.h"
@@ -18,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <winsock2.h>
+#include <WINNT\afsreg.h>
 
 #include <osi.h>
 
 #include <crtdbg.h>
 #endif
 
-/*
-// The following is defined if you want to receive Power notifications,
-// including Hibernation, and also subsequent flushing of AFS volumes
-//
-#define REGISTER_POWER_NOTIFICATIONS 1
-#define FLUSH_VOLUME                 1
-//
-// Check
-*/
+//#define REGISTER_POWER_NOTIFICATIONS 1
 #include "afsd_flushvol.h"
 
 extern void afsi_log(char *pattern, ...);
 
+static SERVICE_STATUS          ServiceStatus;
+static SERVICE_STATUS_HANDLE   StatusHandle;
+
 HANDLE hAFSDMainThread = NULL;
 
 HANDLE WaitToTerminate;
@@ -82,26 +81,36 @@ static void afsd_notifier(char *msgp, char *filep, long line)
     osi_LogEnable(afsd_logp);
 
     afsd_ForceTrace(TRUE);
+    buf_ForceTrace(TRUE);
 
     afsi_log("--- begin dump ---");
-    cm_DumpSCache(afsi_file, "a");
+    cm_DumpSCache(afsi_file, "a", 0);
 #ifdef keisa
     cm_dnlcDump(afsi_file, "a");
 #endif
-    cm_DumpBufHashTable(afsi_file, "a");
-    smb_DumpVCP(afsi_file, "a");                       
+    cm_DumpBufHashTable(afsi_file, "a", 0);
+    smb_DumpVCP(afsi_file, "a", 0);                    
     afsi_log("--- end   dump ---");
     
+#ifdef DEBUG
     DebugBreak();      
+#endif
 
     SetEvent(WaitToTerminate);
 
 #ifdef JUMP
     if (GetCurrentThreadId() == MainThreadId)
         longjmp(notifier_jmp, 1);
-    else
 #endif /* JUMP */
-        ExitThread(1);
+
+    ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+    ServiceStatus.dwWin32ExitCode = NO_ERROR;
+    ServiceStatus.dwCheckPoint = 0;
+    ServiceStatus.dwWaitHint = 0;
+    ServiceStatus.dwControlsAccepted = 0;
+    SetServiceStatus(StatusHandle, &ServiceStatus);
+
+    exit(1);
 }
 
 /*
@@ -112,9 +121,6 @@ static int _stdcall DummyMessageBox(HWND h, LPCTSTR l1, LPCTSTR l2, UINT ui)
     return 0;
 }
 
-static SERVICE_STATUS          ServiceStatus;
-static SERVICE_STATUS_HANDLE   StatusHandle;
-
 DWORD
 afsd_ServiceFlushVolume(DWORD dwlpEventData)
 {
@@ -158,13 +164,26 @@ afsd_ServiceControlHandler(DWORD ctrlCode)
     long code;
 
     switch (ctrlCode) {
+    case SERVICE_CONTROL_SHUTDOWN:
     case SERVICE_CONTROL_STOP:
-        /* Shutdown RPC */
-        RpcMgmtStopServerListening(NULL);
+        ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
+        ServiceStatus.dwWin32ExitCode = NO_ERROR;
+        ServiceStatus.dwCheckPoint = 1;
+        ServiceStatus.dwWaitHint = 30000;
+        ServiceStatus.dwControlsAccepted = 0;
+        SetServiceStatus(StatusHandle, &ServiceStatus);
+
+        if (ctrlCode == SERVICE_CONTROL_STOP)
+            afsi_log("SERVICE_CONTROL_STOP");
+        else
+            afsi_log("SERVICE_CONTROL_SHUTDOWN");
+
+        /* Write all dirty buffers back to server */
+        buf_CleanAndReset();
 
         /* Force trace if requested */
         code = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
-                             AFSConfigKeyName,
+                             AFSREG_CLT_SVC_PARAM_SUBKEY,
                              0, KEY_QUERY_VALUE, &parmKey);
         if (code != ERROR_SUCCESS)
             goto doneTrace;
@@ -176,24 +195,21 @@ afsd_ServiceControlHandler(DWORD ctrlCode)
         RegCloseKey (parmKey);
         if (code != ERROR_SUCCESS)
             doTrace = 0;
-        if (doTrace)
+        if (doTrace) {
             afsd_ForceTrace(FALSE);
+            buf_ForceTrace(FALSE);
+        }
 
       doneTrace:
-        ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
-        ServiceStatus.dwWin32ExitCode = NO_ERROR;
-        ServiceStatus.dwCheckPoint = 1;
-        ServiceStatus.dwWaitHint = 10000;
-        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
-        SetServiceStatus(StatusHandle, &ServiceStatus);
         SetEvent(WaitToTerminate);
         break;
+
     case SERVICE_CONTROL_INTERROGATE:
         ServiceStatus.dwCurrentState = SERVICE_RUNNING;
         ServiceStatus.dwWin32ExitCode = NO_ERROR;
         ServiceStatus.dwCheckPoint = 0;
         ServiceStatus.dwWaitHint = 0;
-        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
+        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
         SetServiceStatus(StatusHandle, &ServiceStatus);
         break;
         /* XXX handle system shutdown */
@@ -221,13 +237,21 @@ afsd_ServiceControlHandlerEx(
 
     switch (ctrlCode) 
     {
+    case SERVICE_CONTROL_SHUTDOWN:
     case SERVICE_CONTROL_STOP:
-        /* Shutdown RPC */
-        RpcMgmtStopServerListening(NULL);
+        ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
+        ServiceStatus.dwWin32ExitCode = NO_ERROR;
+        ServiceStatus.dwCheckPoint = 1;
+        ServiceStatus.dwWaitHint = 30000;
+        ServiceStatus.dwControlsAccepted = 0;
+        SetServiceStatus(StatusHandle, &ServiceStatus);
+
+        /* Write all dirty buffers back to server */
+        buf_CleanAndReset();
 
         /* Force trace if requested */
         code = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
-                            AFSConfigKeyName,
+                            AFSREG_CLT_SVC_PARAM_SUBKEY,
                             0, KEY_QUERY_VALUE, &parmKey);
         if (code != ERROR_SUCCESS)
             goto doneTrace;
@@ -239,16 +263,12 @@ afsd_ServiceControlHandlerEx(
         RegCloseKey (parmKey);
         if (code != ERROR_SUCCESS)
             doTrace = 0;
-        if (doTrace)
+        if (doTrace) {
             afsd_ForceTrace(FALSE);
+            buf_ForceTrace(FALSE);
+        }
 
       doneTrace:
-        ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
-        ServiceStatus.dwWin32ExitCode = NO_ERROR;
-        ServiceStatus.dwCheckPoint = 1;
-        ServiceStatus.dwWaitHint = 10000;
-        ServiceStatus.dwControlsAccepted = 0;
-        SetServiceStatus(StatusHandle, &ServiceStatus);
         SetEvent(WaitToTerminate);
         dwRet = NO_ERROR;
         break;
@@ -258,15 +278,17 @@ afsd_ServiceControlHandlerEx(
         ServiceStatus.dwWin32ExitCode = NO_ERROR;
         ServiceStatus.dwCheckPoint = 0;
         ServiceStatus.dwWaitHint = 0;
-        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_POWEREVENT;
+        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_POWEREVENT;
         SetServiceStatus(StatusHandle, &ServiceStatus);
+        afsi_log("SERVICE_CONTROL_INTERROGATE");
         dwRet = NO_ERROR;
         break;
 
         /* XXX handle system shutdown */
         /* XXX handle pause & continue */
     case SERVICE_CONTROL_POWEREVENT:                                              
-        {                                                                                     
+        { 
+            afsi_log("SERVICE_CONTROL_POWEREVENT");
             /*                                                                                
             ** dwEventType of this notification == WPARAM of WM_POWERBROADCAST               
             ** Return NO_ERROR == return TRUE for that message, i.e. accept request          
@@ -276,29 +298,59 @@ afsd_ServiceControlHandlerEx(
             if (powerEventsRegistered) {
                 switch((int) dwEventType)                                                         
                 {                                                                               
-                case PBT_APMQUERYSUSPEND:                                                         
+                case PBT_APMQUERYSUSPEND:       
+                    afsi_log("SERVICE_CONTROL_APMQUERYSUSPEND"); 
+                    /* Write all dirty buffers back to server */
+                    buf_CleanAndReset();
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMQUERYSTANDBY:                                                         
-
-#ifdef FLUSH_VOLUME
-                    /* handle event */                                                            
-                    dwRet = afsd_ServiceFlushVolume((DWORD) lpEventData);                         
-#else                                                                                       
+                    afsi_log("SERVICE_CONTROL_APMQUERYSTANDBY"); 
+                    /* Write all dirty buffers back to server */
+                    buf_CleanAndReset();
                     dwRet = NO_ERROR;                                                             
-#endif                                                                                      
                     break;                                                                        
                                                                                                                          
                     /* allow remaining case PBT_WhatEver */                                           
-                case PBT_APMSUSPEND:                                                              
-                case PBT_APMSTANDBY:                                                              
-                case PBT_APMRESUMECRITICAL:                                                       
+                case PBT_APMSUSPEND:                         
+                    afsi_log("SERVICE_CONTROL_APMSUSPEND"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
+                case PBT_APMSTANDBY:                  
+                    afsi_log("SERVICE_CONTROL_APMSTANDBY"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
+                case PBT_APMRESUMECRITICAL:             
+                    afsi_log("SERVICE_CONTROL_APMRESUMECRITICAL"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMRESUMESUSPEND:                                                        
+                    afsi_log("SERVICE_CONTROL_APMRESUMESUSPEND"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMRESUMESTANDBY:                                                        
+                    afsi_log("SERVICE_CONTROL_APMRESUMESTANDBY"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMBATTERYLOW:                                                           
+                    afsi_log("SERVICE_CONTROL_APMBATTERYLOW"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMPOWERSTATUSCHANGE:                                                    
+                    afsi_log("SERVICE_CONTROL_APMPOWERSTATUSCHANGE"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMOEMEVENT:                                                             
+                    afsi_log("SERVICE_CONTROL_APMOEMEVENT"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 case PBT_APMRESUMEAUTOMATIC:                                                      
+                    afsi_log("SERVICE_CONTROL_APMRESUMEAUTOMATIC"); 
+                    dwRet = NO_ERROR;                       
+                    break;                                  
                 default:                                                                          
-                    dwRet = NO_ERROR;                                                             
+                    afsi_log("SERVICE_CONTROL_unknown"); 
+                    dwRet = NO_ERROR;                       
                 }   
             }
         }
@@ -325,7 +377,7 @@ static void MountGlobalDrives(void)
     char szSubMount[256];
     DWORD dwType;
 
-    sprintf(szKeyName, "%s\\GlobalAutoMapper", AFSConfigKeyName);
+    sprintf(szKeyName, "%s\\GlobalAutoMapper", AFSREG_CLT_SVC_PARAM_SUBKEY);
 
     dwResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szKeyName, 0, KEY_QUERY_VALUE, &hKey);
     if (dwResult != ERROR_SUCCESS)
@@ -387,7 +439,7 @@ static void DismountGlobalDrives()
     char szSubMount[256];
     DWORD dwType;
 
-    sprintf(szKeyName, "%s\\GlobalAutoMapper", AFSConfigKeyName);
+    sprintf(szKeyName, "%s\\GlobalAutoMapper", AFSREG_CLT_SVC_PARAM_SUBKEY);
 
     dwResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szKeyName, 0, KEY_QUERY_VALUE, &hKey);
     if (dwResult != ERROR_SUCCESS)
@@ -416,9 +468,524 @@ static void DismountGlobalDrives()
     RegCloseKey(hKey);
 }
 
-typedef BOOL ( APIENTRY * AfsdInitHook )(void);
-#define AFSD_INIT_HOOK "AfsdInitHook"
-#define AFSD_HOOK_DLL  "afsdhook.dll"
+DWORD
+GetVersionInfo( CHAR * filename, CHAR * szOutput, DWORD dwOutput )
+{
+    DWORD dwVersionHandle;
+    LPVOID pVersionInfo = 0;
+    DWORD retval = 0;
+    LPDWORD pLangInfo = 0;
+    LPTSTR szVersion = 0;
+    UINT len = 0;
+    TCHAR szVerQ[] = TEXT("\\StringFileInfo\\12345678\\FileVersion");
+    DWORD size = GetFileVersionInfoSize(filename, &dwVersionHandle);
+
+    if (!size) {
+        afsi_log("GetFileVersionInfoSize failed");
+        return GetLastError();
+    }
+
+    pVersionInfo = malloc(size);
+    if (!pVersionInfo) {
+        afsi_log("out of memory 1");
+        return ERROR_NOT_ENOUGH_MEMORY;
+    }
+
+    GetFileVersionInfo(filename, dwVersionHandle, size, pVersionInfo);
+    if (retval = GetLastError())
+    {
+        afsi_log("GetFileVersionInfo failed: %d", retval);
+        goto cleanup;
+    }
+
+    VerQueryValue(pVersionInfo, TEXT("\\VarFileInfo\\Translation"),
+                       (LPVOID*)&pLangInfo, &len);
+    if (retval = GetLastError())
+    {
+        afsi_log("VerQueryValue 1 failed: %d", retval);
+        goto cleanup;
+    }
+
+    wsprintf(szVerQ,
+             TEXT("\\StringFileInfo\\%04x%04x\\FileVersion"),
+             LOWORD(*pLangInfo), HIWORD(*pLangInfo));
+
+    VerQueryValue(pVersionInfo, szVerQ, (LPVOID*)&szVersion, &len);
+    if (retval = GetLastError())
+    {
+        /* try again with language 409 since the old binaries were tagged wrong */
+        wsprintf(szVerQ,
+                  TEXT("\\StringFileInfo\\0409%04x\\FileVersion"),
+                  HIWORD(*pLangInfo));
+
+        VerQueryValue(pVersionInfo, szVerQ, (LPVOID*)&szVersion, &len);
+        if (retval = GetLastError()) {
+            afsi_log("VerQueryValue 2 failed: [%s] %d", szVerQ, retval);
+            goto cleanup;
+        }
+    }
+    snprintf(szOutput, dwOutput, TEXT("%s"), szVersion);
+    szOutput[dwOutput - 1] = 0;
+
+ cleanup:
+    if (pVersionInfo)
+        free(pVersionInfo);
+
+    return retval;
+}
+
+static HINSTANCE hCrypt32;
+static DWORD (WINAPI *pCertGetNameString)(PCCERT_CONTEXT pCertContext,  DWORD dwType,  DWORD dwFlags,
+                                          void* pvTypePara, LPTSTR pszNameString, DWORD cchNameString);
+static BOOL (WINAPI *pCryptQueryObject)(DWORD dwObjectType, const void* pvObject, DWORD dwExpectedContentTypeFlags,
+                                        DWORD dwExpectedFormatTypeFlags, DWORD dwFlags,
+                                        DWORD* pdwMsgAndCertEncodingType, DWORD* pdwContentType,
+                                        DWORD* pdwFormatType, HCERTSTORE* phCertStore,
+                                        HCRYPTMSG* phMsg, const void** ppvContext);
+static BOOL (WINAPI *pCryptMsgGetParam)(HCRYPTMSG hCryptMsg, DWORD dwParamType, DWORD dwIndex,
+                                        void* pvData, DWORD* pcbData);
+static PCCERT_CONTEXT (WINAPI *pCertFindCertificateInStore)(HCERTSTORE hCertStore, DWORD dwCertEncodingType,
+                                                            DWORD dwFindFlags, DWORD dwFindType,
+                                                            const void* pvFindPara,
+                                                            PCCERT_CONTEXT pPrevCertContext);
+static BOOL (WINAPI *pCertCloseStore)(HCERTSTORE hCertStore, DWORD dwFlags);
+static BOOL (WINAPI *pCryptMsgClose)(HCRYPTMSG hCryptMsg);
+static BOOL (WINAPI *pCertCompareCertificate)(DWORD dwCertEncodingType, PCERT_INFO pCertId1,
+                                              PCERT_INFO pCertId2);
+static BOOL (WINAPI *pCertFreeCertificateContext)(PCCERT_CONTEXT pCertContext);
+
+void LoadCrypt32(void)
+{
+    hCrypt32 = LoadLibrary("crypt32");
+    if ( !hCrypt32 )
+        return;
+
+    (FARPROC) pCertGetNameString = GetProcAddress( hCrypt32, "CertGetNameString" );
+    (FARPROC) pCryptQueryObject = GetProcAddress( hCrypt32, "CryptQueryObject" );
+    (FARPROC) pCryptMsgGetParam = GetProcAddress( hCrypt32, "CryptMsgGetParam" );
+    (FARPROC) pCertFindCertificateInStore = GetProcAddress( hCrypt32, "CertFindCertificateInStore" );
+    (FARPROC) pCertCloseStore = GetProcAddress( hCrypt32, "CertCloseStore" );
+    (FARPROC) pCryptMsgClose = GetProcAddress( hCrypt32, "CryptMsgClose" );
+    (FARPROC) pCertCompareCertificate = GetProcAddress( hCrypt32, "CertCompareCertificate" );
+    (FARPROC) pCertFreeCertificateContext = GetProcAddress( hCrypt32, "CertFreeCertificateContext" );
+    
+    if ( !pCertGetNameString ||
+         !pCryptQueryObject ||
+         !pCryptMsgGetParam ||
+         !pCertFindCertificateInStore ||
+         !pCertCloseStore ||
+         !pCryptMsgClose ||
+         !pCertCompareCertificate ||
+         !pCertFreeCertificateContext)
+    {
+        FreeLibrary(hCrypt32);
+        hCrypt32 = NULL;
+    }
+}
+
+void UnloadCrypt32(void)
+{
+    FreeLibrary(hCrypt32);
+}
+
+#define ENCODING (X509_ASN_ENCODING | PKCS_7_ASN_ENCODING)
+
+PCCERT_CONTEXT GetCertCtx(CHAR * filename)
+{
+    wchar_t wfilename[260];
+    BOOL fResult;
+    DWORD dwEncoding;
+    DWORD dwContentType;
+    DWORD dwFormatType;
+    DWORD dwSignerInfo;
+    HCERTSTORE hStore = NULL;
+    HCRYPTMSG hMsg = NULL;
+    PCMSG_SIGNER_INFO pSignerInfo = NULL;
+    PCCERT_CONTEXT pCertContext = NULL;
+    CERT_INFO CertInfo;
+
+    if ( hCrypt32 == NULL )
+        return NULL;
+
+    ZeroMemory(&CertInfo, sizeof(CertInfo));
+    mbstowcs(wfilename, filename, 260);
+
+    fResult = pCryptQueryObject(CERT_QUERY_OBJECT_FILE,
+                               wfilename,
+                               CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED,
+                               CERT_QUERY_FORMAT_FLAG_BINARY,
+                               0,
+                               &dwEncoding,
+                               &dwContentType,
+                               &dwFormatType,
+                               &hStore,
+                               &hMsg,
+                               NULL);
+
+    if (!fResult) {
+        afsi_log("CryptQueryObject failed for [%s] with error 0x%x",
+                filename,
+                GetLastError());
+       goto __exit;
+    }
+
+    fResult = pCryptMsgGetParam(hMsg,
+                               CMSG_SIGNER_INFO_PARAM,
+                               0,
+                               NULL,
+                               &dwSignerInfo);
+
+    if (!fResult) {
+        afsi_log("CryptMsgGetParam failed for [%s] with error 0x%x",
+                filename,
+                GetLastError());
+       goto __exit;
+    }
+
+    pSignerInfo = (PCMSG_SIGNER_INFO)LocalAlloc(LPTR, dwSignerInfo);
+
+    fResult = pCryptMsgGetParam(hMsg,
+                               CMSG_SIGNER_INFO_PARAM,
+                               0,
+                               (PVOID)pSignerInfo,
+                               &dwSignerInfo);
+    
+    if (!fResult) {
+        afsi_log("CryptMsgGetParam failed for [%s] with error 0x%x",
+                filename,
+                GetLastError());
+       goto __exit;
+    }
+
+    CertInfo.Issuer = pSignerInfo->Issuer;
+    CertInfo.SerialNumber = pSignerInfo->SerialNumber;
+
+    pCertContext = pCertFindCertificateInStore(hStore,
+                                             ENCODING,
+                                             0,
+                                             CERT_FIND_SUBJECT_CERT,
+                                             (PVOID) &CertInfo,
+                                             NULL);
+
+    if (!pCertContext) {
+      afsi_log("CertFindCertificateInStore for file [%s] failed with 0x%x",
+              filename,
+              GetLastError());
+      goto __exit;
+    }
+
+  __exit:
+    if (pSignerInfo)
+      LocalFree(pSignerInfo);
+
+    /*    if (pCertContext)
+         CertFreeCertificateContext(pCertContext);*/
+
+    if (hStore)
+      pCertCloseStore(hStore,0);
+
+    if (hMsg)
+      pCryptMsgClose(hMsg);
+
+    return pCertContext;
+}
+
+BOOL VerifyTrust(CHAR * filename)
+{
+    WIN_TRUST_ACTDATA_CONTEXT_WITH_SUBJECT fContextWSubject;
+    WIN_TRUST_SUBJECT_FILE fSubjectFile;
+    GUID trustAction = WIN_SPUB_ACTION_PUBLISHED_SOFTWARE;
+    GUID subject = WIN_TRUST_SUBJTYPE_PE_IMAGE;
+    wchar_t wfilename[260];
+    LONG ret;
+    BOOL success = FALSE;
+
+    LONG (WINAPI *pWinVerifyTrust)(HWND hWnd, GUID* pgActionID, WINTRUST_DATA* pWinTrustData) = NULL;
+    HINSTANCE hWinTrust;
+
+    if (filename == NULL ) 
+        return FALSE;
+
+    hWinTrust = LoadLibrary("wintrust");
+    if ( !hWinTrust )
+        return FALSE;
+
+    if (((FARPROC) pWinVerifyTrust =
+          GetProcAddress( hWinTrust, "WinVerifyTrust" )) == NULL )
+    {
+        FreeLibrary(hWinTrust);
+        return FALSE;
+    }
+
+    mbstowcs(wfilename, filename, 260);
+
+    fSubjectFile.hFile = CreateFile(filename, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
+                                    0, NULL);
+    fSubjectFile.lpPath = wfilename;
+    fContextWSubject.hClientToken = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
+                                                FALSE, GetCurrentProcessId());
+    fContextWSubject.SubjectType = &subject;
+    fContextWSubject.Subject = &fSubjectFile;
+
+    ret = pWinVerifyTrust(INVALID_HANDLE_VALUE, &trustAction, (WINTRUST_DATA *)&fContextWSubject);
+
+    if ( fSubjectFile.hFile != INVALID_HANDLE_VALUE )
+        CloseHandle( fSubjectFile.hFile );
+    if ( fContextWSubject.hClientToken != INVALID_HANDLE_VALUE )
+        CloseHandle( fContextWSubject.hClientToken );
+
+    if (ret == ERROR_SUCCESS) {
+        success = TRUE;
+    } else {
+        DWORD gle = GetLastError();
+        switch (gle) {
+        case TRUST_E_PROVIDER_UNKNOWN:
+            afsi_log("VerifyTrust failed: \"Generic Verify V2\" Provider Unknown");
+            break;  
+        case TRUST_E_NOSIGNATURE:
+            afsi_log("VerifyTrust failed: Unsigned executable");
+            break;
+        case TRUST_E_EXPLICIT_DISTRUST:
+            afsi_log("VerifyTrust failed: Certificate Marked as Untrusted by the user");
+            break;
+        case TRUST_E_SUBJECT_NOT_TRUSTED:
+            afsi_log("VerifyTrust failed: File is not trusted");
+            break;
+        case TRUST_E_BAD_DIGEST:
+            afsi_log("VerifyTrust failed: Executable has been modified");
+            break;
+        case CRYPT_E_SECURITY_SETTINGS:
+            afsi_log("VerifyTrust failed: local security options prevent verification");
+            break;
+        default:
+            afsi_log("VerifyTrust failed: 0x%X", GetLastError());
+        }
+        success = FALSE;
+    }
+    FreeLibrary(hWinTrust);
+    return success;
+}
+
+void LogCertCtx(PCCERT_CONTEXT pCtx) {
+    DWORD dwData;
+    LPTSTR szName = NULL;
+
+    if ( hCrypt32 == NULL )
+        return;
+
+    // Get Issuer name size.
+    if (!(dwData = pCertGetNameString(pCtx,
+                                     CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                                     CERT_NAME_ISSUER_FLAG,
+                                     NULL,
+                                     NULL,
+                                     0))) {
+        afsi_log("CertGetNameString failed: 0x%x", GetLastError());
+       goto __exit;
+    }
+
+    // Allocate memory for Issuer name.
+    szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(TCHAR));
+
+    // Get Issuer name.
+    if (!(pCertGetNameString(pCtx,
+                            CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                            CERT_NAME_ISSUER_FLAG,
+                            NULL,
+                            szName,
+                            dwData))) {
+        afsi_log("CertGetNameString failed: 0x%x", GetLastError());
+       goto __exit;
+    }
+
+    // print Issuer name.
+    afsi_log("Issuer Name: %s", szName);
+    LocalFree(szName);
+    szName = NULL;
+
+    // Get Subject name size.
+    if (!(dwData = pCertGetNameString(pCtx,
+                                     CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                                     0,
+                                     NULL,
+                                     NULL,
+                                     0))) {
+        afsi_log("CertGetNameString failed: 0x%x", GetLastError());
+       goto __exit;
+    }
+
+    // Allocate memory for subject name.
+    szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(TCHAR));
+
+    // Get subject name.
+    if (!(pCertGetNameString(pCtx,
+                            CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                            0,
+                            NULL,
+                            szName,
+                            dwData))) {
+        afsi_log("CertGetNameString failed: 0x%x", GetLastError());
+       goto __exit;
+    }
+
+    // Print Subject Name.
+    afsi_log("Subject Name: %s", szName);
+
+  __exit:
+
+    if (szName)
+        LocalFree(szName);
+}
+
+BOOL AFSModulesVerify(void)
+{
+    CHAR filename[1024];
+    CHAR afsdVersion[128];
+    CHAR modVersion[128];
+    CHAR checkName[1024];
+    BOOL trustVerified = FALSE;
+    HMODULE hMods[1024];
+    HANDLE hProcess;
+    DWORD cbNeeded;
+    unsigned int i;
+    BOOL success = TRUE;
+    PCCERT_CONTEXT pCtxService = NULL;
+    HINSTANCE hPSAPI;
+    DWORD (WINAPI *pGetModuleFileNameExA)(HANDLE hProcess, HMODULE hModule, LPTSTR lpFilename, DWORD nSize);
+    BOOL (WINAPI *pEnumProcessModules)(HANDLE hProcess, HMODULE* lphModule, DWORD cb, LPDWORD lpcbNeeded);
+    DWORD dummyLen, code;
+    DWORD cacheSize = CM_CONFIGDEFAULT_CACHESIZE;
+    DWORD verifyServiceSig = TRUE;
+    HKEY parmKey;
+
+    hPSAPI = LoadLibrary("psapi");
+
+    if ( hPSAPI == NULL )
+        return FALSE;
+
+    if (!GetModuleFileName(NULL, filename, sizeof(filename)))
+        return FALSE;
+
+    if (GetVersionInfo(filename, afsdVersion, sizeof(afsdVersion)))
+        return FALSE;
+
+    afsi_log("%s version %s", filename, afsdVersion);
+
+    if (((FARPROC) pGetModuleFileNameExA =
+          GetProcAddress( hPSAPI, "GetModuleFileNameExA" )) == NULL ||
+         ((FARPROC) pEnumProcessModules =
+           GetProcAddress( hPSAPI, "EnumProcessModules" )) == NULL)
+    {
+        FreeLibrary(hPSAPI);
+        return FALSE;
+    }
+
+
+    code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, 
+                        AFSREG_CLT_SVC_PARAM_SUBKEY,
+                        0, KEY_QUERY_VALUE, &parmKey);
+    if (code == ERROR_SUCCESS) {
+        dummyLen = sizeof(cacheSize);
+        code = RegQueryValueEx(parmKey, "CacheSize", NULL, NULL,
+                               (BYTE *) &cacheSize, &dummyLen);
+        RegCloseKey (parmKey);
+    }
+
+    code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_OPENAFS_SUBKEY,
+                         0, KEY_QUERY_VALUE, &parmKey);
+    if (code == ERROR_SUCCESS) {
+        dummyLen = sizeof(verifyServiceSig);
+        code = RegQueryValueEx(parmKey, "VerifyServiceSignature", NULL, NULL,
+                                (BYTE *) &verifyServiceSig, &dummyLen);
+        RegCloseKey (parmKey);
+    }
+
+    if (verifyServiceSig && cacheSize < 716800) {
+        trustVerified = VerifyTrust(filename);
+    } else {
+        afsi_log("Signature Verification disabled");
+    }
+
+    if (trustVerified) {
+        LoadCrypt32();
+
+        // get a certificate context for the signer of afsd_service.
+        pCtxService = GetCertCtx(filename);
+        if (pCtxService)
+            LogCertCtx(pCtxService);
+    }
+
+    // Get a list of all the modules in this process.
+    hProcess = OpenProcess(PROCESS_QUERY_INFORMATION | PROCESS_VM_READ,
+                           FALSE, GetCurrentProcessId());
+
+    if (pEnumProcessModules(hProcess, hMods, sizeof(hMods), &cbNeeded))
+    {
+        afsi_log("Num of Process Modules: %d", (cbNeeded / sizeof(HMODULE)));
+
+        for (i = 0; i < (cbNeeded / sizeof(HMODULE)); i++)
+        {
+            char szModName[2048];
+
+            // Get the full path to the module's file.
+            if (pGetModuleFileNameExA(hProcess, hMods[i], szModName, sizeof(szModName)))
+            {
+                lstrcpy(checkName, szModName);
+                strlwr(checkName);
+
+                if ( strstr(checkName, "afspthread.dll") ||
+                     strstr(checkName, "afsauthent.dll") ||
+                     strstr(checkName, "afsrpc.dll") ||
+                     strstr(checkName, "libafsconf.dll") ||
+                     strstr(checkName, "libosi.dll") )
+                {
+                    if (GetVersionInfo(szModName, modVersion, sizeof(modVersion))) {
+                        success = FALSE;
+                        continue;
+                    }
+
+                    afsi_log("%s version %s", szModName, modVersion);
+                    if (strcmp(afsdVersion,modVersion)) {
+                        afsi_log("Version mismatch: %s", szModName);
+                        success = FALSE;
+                    }
+                    if ( trustVerified ) {
+                        if ( !VerifyTrust(szModName) ) {
+                            afsi_log("Signature Verification failed: %s", szModName);
+                            success = FALSE;
+                        } 
+                        else if (pCtxService) {
+                            PCCERT_CONTEXT pCtx = GetCertCtx(szModName);
+
+                            if (!pCtx || !pCertCompareCertificate(X509_ASN_ENCODING | PKCS_7_ASN_ENCODING,
+                                                                  pCtxService->pCertInfo,
+                                                                  pCtx->pCertInfo)) {
+                                afsi_log("Certificate mismatch: %s", szModName);
+                                if (pCtx)
+                                    LogCertCtx(pCtx);
+                                
+                                success = FALSE;
+                            }
+                            
+                            if (pCtx)
+                                pCertFreeCertificateContext(pCtx);
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    if (pCtxService) {
+        pCertFreeCertificateContext(pCtxService);
+        UnloadCrypt32();
+    }
+
+    FreeLibrary(hPSAPI);
+
+    CloseHandle(hProcess);
+    return success;
+}
 
 /*
 control serviceex exists only on 2000/xp. These functions will be loaded dynamically.
@@ -430,16 +997,16 @@ typedef SERVICE_STATUS_HANDLE ( * RegisterServiceCtrlHandlerFunc   )(  LPCTSTR ,
 RegisterServiceCtrlHandlerExFunc pRegisterServiceCtrlHandlerEx = NULL;
 RegisterServiceCtrlHandlerFunc   pRegisterServiceCtrlHandler   = NULL; 
 
-void afsd_Main(DWORD argc, LPTSTR *argv)
+VOID WINAPI
+afsd_Main(DWORD argc, LPTSTR *argv)
 {
     long code;
     char *reason;
 #ifdef JUMP
     int jmpret;
 #endif /* JUMP */
-    HANDLE hInitHookDll;
-    HANDLE hAdvApi32;
-    AfsdInitHook initHook;
+    HMODULE hHookDll;
+    HMODULE hAdvApi32;
 
 #ifdef _DEBUG
     _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF /*| _CRTDBG_CHECK_ALWAYS_DF*/ | 
@@ -483,7 +1050,7 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
     ServiceStatus.dwCheckPoint = 1;
     ServiceStatus.dwWaitHint = 30000;
     /* accept Power Events */
-    ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_POWEREVENT;
+    ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_POWEREVENT;
     SetServiceStatus(StatusHandle, &ServiceStatus);
 #endif
 
@@ -503,7 +1070,8 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
         int bpower = TRUE;
 
         /* see if we should handle power notifications */
-        code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSConfigKeyName, 0, KEY_QUERY_VALUE, &hkParm);
+        code = RegOpenKeyEx(HKEY_LOCAL_MACHINE, AFSREG_CLT_SVC_PARAM_SUBKEY, 
+                            0, KEY_QUERY_VALUE, &hkParm);
         if (code == ERROR_SUCCESS) {
             dummyLen = sizeof(bpower);
             code = RegQueryValueEx(hkParm, "FlushOnHibernate", NULL, NULL,
@@ -522,18 +1090,31 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
     }
 #endif
 
+    /* Verify the versions of the DLLs which were loaded */
+    if (!AFSModulesVerify()) {
+        ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+        ServiceStatus.dwWin32ExitCode = NO_ERROR;
+        ServiceStatus.dwCheckPoint = 0;
+        ServiceStatus.dwWaitHint = 0;
+        ServiceStatus.dwControlsAccepted = 0;
+        SetServiceStatus(StatusHandle, &ServiceStatus);
+                       
+        /* exit if initialization failed */
+        return;
+    }
+
     /* allow an exit to be called prior to any initialization */
-    hInitHookDll = LoadLibrary(AFSD_HOOK_DLL);
-    if (hInitHookDll)
+    hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+    if (hHookDll)
     {
-        BOOL hookRc = FALSE;
-        initHook = ( AfsdInitHook ) GetProcAddress(hInitHookDll, AFSD_INIT_HOOK);
+        BOOL hookRc = TRUE;
+        AfsdInitHook initHook = ( AfsdInitHook ) GetProcAddress(hHookDll, AFSD_INIT_HOOK);
         if (initHook)
         {
             hookRc = initHook();
         }
-        FreeLibrary(hInitHookDll);
-        hInitHookDll = NULL;
+        FreeLibrary(hHookDll);
+        hHookDll = NULL;
 
         if (hookRc == FALSE)
         {
@@ -557,7 +1138,7 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
             ServiceStatus.dwCheckPoint = 2;
             ServiceStatus.dwWaitHint = 20000;
             /* accept Power Events */
-            ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_POWEREVENT;
+            ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_POWEREVENT;
             SetServiceStatus(StatusHandle, &ServiceStatus);
         }
     }
@@ -586,6 +1167,33 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
                        osi_panic(reason, __FILE__, __LINE__);
         }
 
+        /* allow an exit to be called post rx initialization */
+        hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+        if (hHookDll)
+        {
+            BOOL hookRc = TRUE;
+            AfsdRxStartedHook rxStartedHook = ( AfsdRxStartedHook ) GetProcAddress(hHookDll, AFSD_RX_STARTED_HOOK);
+            if (rxStartedHook)
+            {
+                hookRc = rxStartedHook();
+            }
+            FreeLibrary(hHookDll);
+            hHookDll = NULL;
+
+            if (hookRc == FALSE)
+            {
+                ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+                ServiceStatus.dwWin32ExitCode = NO_ERROR;
+                ServiceStatus.dwCheckPoint = 0;
+                ServiceStatus.dwWaitHint = 0;
+                ServiceStatus.dwControlsAccepted = 0;
+                SetServiceStatus(StatusHandle, &ServiceStatus);
+                       
+                /* exit if initialization failed */
+                return;
+            }
+        }
+
 #ifndef NOTSERVICE
         ServiceStatus.dwCheckPoint++;
         ServiceStatus.dwWaitHint -= 5000;
@@ -597,6 +1205,33 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
             osi_panic(reason, __FILE__, __LINE__);
         }
 
+        /* allow an exit to be called post smb initialization */
+        hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+        if (hHookDll)
+        {
+            BOOL hookRc = TRUE;
+            AfsdSmbStartedHook smbStartedHook = ( AfsdSmbStartedHook ) GetProcAddress(hHookDll, AFSD_SMB_STARTED_HOOK);
+            if (smbStartedHook)
+            {
+                hookRc = smbStartedHook();
+            }
+            FreeLibrary(hHookDll);
+            hHookDll = NULL;
+
+            if (hookRc == FALSE)
+            {
+                ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+                ServiceStatus.dwWin32ExitCode = NO_ERROR;
+                ServiceStatus.dwCheckPoint = 0;
+                ServiceStatus.dwWaitHint = 0;
+                ServiceStatus.dwControlsAccepted = 0;
+                SetServiceStatus(StatusHandle, &ServiceStatus);
+                       
+                /* exit if initialization failed */
+                return;
+            }
+        }
+
         MountGlobalDrives();
 
 #ifndef NOTSERVICE
@@ -606,7 +1241,7 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
         ServiceStatus.dwWaitHint = 0;
 
         /* accept Power events */
-        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_POWEREVENT;
+        ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_POWEREVENT;
         SetServiceStatus(StatusHandle, &ServiceStatus);
 #endif  
         {
@@ -618,8 +1253,37 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
         }
     }
 
+    /* allow an exit to be called when started */
+    hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+    if (hHookDll)
+    {
+        BOOL hookRc = TRUE;
+        AfsdStartedHook startedHook = ( AfsdStartedHook ) GetProcAddress(hHookDll, AFSD_STARTED_HOOK);
+        if (startedHook)
+        {
+            hookRc = startedHook();
+        }
+        FreeLibrary(hHookDll);
+        hHookDll = NULL;
+
+        if (hookRc == FALSE)
+        {
+            ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+            ServiceStatus.dwWin32ExitCode = NO_ERROR;
+            ServiceStatus.dwCheckPoint = 0;
+            ServiceStatus.dwWaitHint = 0;
+            ServiceStatus.dwControlsAccepted = 0;
+            SetServiceStatus(StatusHandle, &ServiceStatus);
+                       
+            /* exit if initialization failed */
+            return;
+        }
+    }
+
     WaitForSingleObject(WaitToTerminate, INFINITE);
 
+    afsi_log("Received Termination Signal, Stopping Service");
+
     {   
         HANDLE h; char *ptbuf[1];
        h = RegisterEventSource(NULL, AFS_DAEMON_EVENT_NAME);
@@ -629,9 +1293,57 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
         DeregisterEventSource(h);
     }
 
+    /* allow an exit to be called prior to stopping the service */
+    hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+    if (hHookDll)
+    {
+        BOOL hookRc = TRUE;
+        AfsdStoppingHook stoppingHook = ( AfsdStoppingHook ) GetProcAddress(hHookDll, AFSD_STOPPING_HOOK);
+        if (stoppingHook)
+        {
+            hookRc = stoppingHook();
+        }
+        FreeLibrary(hHookDll);
+        hHookDll = NULL;
+
+        if (hookRc == FALSE)
+        {
+            ServiceStatus.dwCurrentState = SERVICE_STOPPED;
+            ServiceStatus.dwWin32ExitCode = NO_ERROR;
+            ServiceStatus.dwCheckPoint = 0;
+            ServiceStatus.dwWaitHint = 0;
+            ServiceStatus.dwControlsAccepted = 0;
+            SetServiceStatus(StatusHandle, &ServiceStatus);
+                       
+            /* exit if initialization failed */
+            return;
+        }
+    }
+
+
+#ifdef AFS_FREELANCE_CLIENT
+    cm_FreelanceShutdown();
+    afsi_log("Freelance Shutdown complete");
+#endif
+
     DismountGlobalDrives();
-    smb_Shutdown();
-    rx_Finalize();
+    afsi_log("Global Drives dismounted");
+                                         
+    cm_DaemonShutdown();                 
+    afsi_log("Daemon shutdown complete");
+                                         
+    buf_Shutdown();                      
+    afsi_log("Buffer shutdown complete");
+                                         
+    rx_Finalize();                       
+    afsi_log("rx finalization complete");
+                                         
+    smb_Shutdown();                      
+    afsi_log("smb shutdown complete");   
+                                         
+    RpcShutdown();                       
+
+    cm_ShutdownMappedMemory();           
 
 #ifdef REGISTER_POWER_NOTIFICATIONS
     /* terminate thread used to flush cache */
@@ -639,6 +1351,20 @@ void afsd_Main(DWORD argc, LPTSTR *argv)
         PowerNotificationThreadExit();
 #endif
 
+    /* allow an exit to be called after stopping the service */
+    hHookDll = LoadLibrary(AFSD_HOOK_DLL);
+    if (hHookDll)
+    {
+        BOOL hookRc = TRUE;
+        AfsdStoppedHook stoppedHook = ( AfsdStoppedHook ) GetProcAddress(hHookDll, AFSD_STOPPED_HOOK);
+        if (stoppedHook)
+        {
+            hookRc = stoppedHook();
+        }
+        FreeLibrary(hHookDll);
+        hHookDll = NULL;
+    }
+
     /* Remove the ExceptionFilter */
     SetUnhandledExceptionFilter(NULL);
 
@@ -657,13 +1383,33 @@ DWORD __stdcall afsdMain_thread(void* notUsed)
     return(0);
 }
 
+void usage(void)
+{
+    fprintf(stderr, "afsd_service.exe [--validate-cache <cache-path>]");
+}
+
 int
-main(void)
+main(int argc, char * argv[])
 {
     static SERVICE_TABLE_ENTRY dispatchTable[] = {
         {AFS_DAEMON_SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION) afsd_Main},
         {NULL, NULL}
     };
+    int i;
+
+    for (i = 1; i < argc; i++) {
+        if (!stricmp(argv[i],"--validate-cache")) {
+            if (++i != argc - 1) {
+                usage();
+                return(1);
+            }
+
+            return cm_ValidateMappedMemory(argv[i]);
+        } else {
+            usage();
+            return(1);
+        }
+    }
 
     if (!StartServiceCtrlDispatcher(dispatchTable))
     {