src/WINNT/afsd/afsd_service.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <afs/param.h>
  11 #include <afs/stds.h>
  12
  13 #include <windows.h>
  14 #include <string.h>
  15 #include <setjmp.h>
  16 #include "afsd.h"
  17 #include "afsd_init.h"
  18 #include <stdio.h>
  19 #include <stdlib.h>
  20 #include <winsock2.h>
  21
  22 #include <osi.h>
  23 \r
  24 #ifdef DEBUG\r
  25 //#define NOTSERVICE\r
  26 #endif\r
  27
  28 extern void afsi_log(char *pattern, ...);
  29
  30 extern char AFSConfigKeyName[];
  31
  32 HANDLE WaitToTerminate;
  33
  34 int GlobalStatus;
  35
  36 unsigned int MainThreadId;
  37 jmp_buf notifier_jmp;
  38
  39 extern int traceOnPanic;
  40
  41 /*
  42  * Notifier function for use by osi_panic
  43  */
  44 static void afsd_notifier(char *msgp, char *filep, long line)
  45 {
  46         char tbuffer[100];
  47         char *ptbuf[1];
  48         HANDLE h;
  49
  50         if (filep)
  51                 sprintf(tbuffer, "Error at file %s, line %d: %s",
  52                         filep, line, msgp);
  53         else
  54                 sprintf(tbuffer, "Error at unknown location: %s", msgp);
  55
  56         h = RegisterEventSource(NULL, AFS_DAEMON_EVENT_NAME);
  57         ptbuf[0] = tbuffer;
  58         ReportEvent(h, EVENTLOG_ERROR_TYPE, 0, line, NULL, 1, 0, ptbuf, NULL);
  59         DeregisterEventSource(h);
  60
  61         GlobalStatus = line;
  62
  63         osi_LogEnable(afsd_logp);
  64
  65         afsd_ForceTrace(TRUE);
  66
  67         if (traceOnPanic) {
  68                 _asm int 3h;
  69         }
  70
  71         SetEvent(WaitToTerminate);
  72
  73         if (GetCurrentThreadId() == MainThreadId)
  74                 longjmp(notifier_jmp, 1);
  75         else
  76                 ExitThread(1);
  77 }
  78
  79 /*
  80  * For use miscellaneously in smb.c; need to do better
  81  */
  82 static int DummyMessageBox(HWND h, LPCTSTR l1, LPCTSTR l2, UINT ui)
  83 {
  84         return 0;
  85 }
  86
  87 static SERVICE_STATUS           ServiceStatus;
  88 static SERVICE_STATUS_HANDLE    StatusHandle;
  89
  90 void afsd_ServiceControlHandler(DWORD ctrlCode)
  91 {
  92         HKEY parmKey;
  93         DWORD dummyLen, doTrace;
  94         long code;
  95
  96         switch (ctrlCode) {
  97                 case SERVICE_CONTROL_STOP:
  98                         /* Shutdown RPC */
  99                         RpcMgmtStopServerListening(NULL);
 100
 101                         /* Force trace if requested */
 102                         code = RegOpenKeyEx(HKEY_LOCAL_MACHINE,
 103                                             AFSConfigKeyName,
 104                                             0, KEY_QUERY_VALUE, &parmKey);
 105                         if (code != ERROR_SUCCESS)
 106                                 goto doneTrace;
 107
 108                         dummyLen = sizeof(doTrace);
 109                         code = RegQueryValueEx(parmKey, "TraceOnShutdown",
 110                                                 NULL, NULL,
 111                                                 (BYTE *) &doTrace, &dummyLen);
 112                         RegCloseKey (parmKey);
 113                         if (code != ERROR_SUCCESS)
 114                                 doTrace = 0;
 115                         if (doTrace)
 116                                 afsd_ForceTrace(FALSE);
 117
 118 doneTrace:
 119                         ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
 120                         ServiceStatus.dwWin32ExitCode = NO_ERROR;
 121                         ServiceStatus.dwCheckPoint = 1;
 122                         ServiceStatus.dwWaitHint = 10000;
 123                         ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 124                         SetServiceStatus(StatusHandle, &ServiceStatus);
 125                         SetEvent(WaitToTerminate);
 126                         break;
 127                 case SERVICE_CONTROL_INTERROGATE:
 128                         ServiceStatus.dwCurrentState = SERVICE_RUNNING;
 129                         ServiceStatus.dwWin32ExitCode = NO_ERROR;
 130                         ServiceStatus.dwCheckPoint = 0;
 131                         ServiceStatus.dwWaitHint = 0;
 132                         ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 133                         SetServiceStatus(StatusHandle, &ServiceStatus);
 134                         break;
 135                 /* XXX handle system shutdown */
 136                 /* XXX handle pause & continue */
 137         }
 138 }
 139
 140 /* Mount a drive into AFS if the user wants us to */
 141 void CheckMountDrive()
 142 {
 143         char szAfsPath[_MAX_PATH];
 144         char szDriveToMapTo[5];
 145         DWORD dwResult;
 146         char szKeyName[256];
 147         HKEY hKey;
 148         DWORD dwIndex = 0;
 149         DWORD dwDriveSize;
 150         DWORD dwSubMountSize;
 151         char szSubMount[256];
 152         DWORD dwType;
 153
 154         sprintf(szKeyName, "%s\\GlobalAutoMapper", AFSConfigKeyName);
 155
 156         dwResult = RegOpenKeyEx(HKEY_LOCAL_MACHINE, szKeyName, 0, KEY_QUERY_VALUE, &hKey);
 157         if (dwResult != ERROR_SUCCESS)
 158                 return;
 159
 160         while (1) {
 161                 dwDriveSize = sizeof(szDriveToMapTo);
 162                 dwSubMountSize = sizeof(szSubMount);
 163                 dwResult = RegEnumValue(hKey, dwIndex++, szDriveToMapTo, &dwDriveSize, 0, &dwType, szSubMount, &dwSubMountSize);
 164                 if (dwResult != ERROR_MORE_DATA) {
 165                         if (dwResult != ERROR_SUCCESS) {
 166                                 if (dwResult != ERROR_NO_MORE_ITEMS)
 167                                         afsi_log("Failed to read GlobalAutoMapper values: %d\n", dwResult);
 168                                 break;
 169                         }
 170                 }
 171
 172                 sprintf(szAfsPath, "\\Device\\LanmanRedirector\\%s\\%s-AFS\\%s", szDriveToMapTo, cm_HostName, szSubMount);
 173
 174                 dwResult = DefineDosDevice(DDD_RAW_TARGET_PATH, szDriveToMapTo, szAfsPath);
 175                 afsi_log("GlobalAutoMap of %s to %s %s", szDriveToMapTo, szSubMount, dwResult ? "succeeded" : "failed");
 176         }
 177
 178         RegCloseKey(hKey);
 179 }
 180
 181 void afsd_Main()
 182 {
 183         long code;
 184         char *reason;
 185         int jmpret;
 186
 187         osi_InitPanic(afsd_notifier);
 188
 189         GlobalStatus = 0;
 190
 191         WaitToTerminate = CreateEvent(NULL, TRUE, FALSE, NULL);
 192
 193 #ifndef NOTSERVICE\r
 194         StatusHandle = RegisterServiceCtrlHandler(AFS_DAEMON_SERVICE_NAME,
 195                         (LPHANDLER_FUNCTION) afsd_ServiceControlHandler);
 196
 197         ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
 198         ServiceStatus.dwServiceSpecificExitCode = 0;
 199         ServiceStatus.dwCurrentState = SERVICE_START_PENDING;
 200         ServiceStatus.dwWin32ExitCode = NO_ERROR;
 201         ServiceStatus.dwCheckPoint = 1;
 202         ServiceStatus.dwWaitHint = 15000;
 203         ServiceStatus.dwControlsAccepted = 0;
 204         SetServiceStatus(StatusHandle, &ServiceStatus);
 205 #endif
 206 {
 207         HANDLE h; char *ptbuf[1];
 208         h = RegisterEventSource(NULL, AFS_DAEMON_EVENT_NAME);
 209         ptbuf[0] = "AFS start pending";
 210         ReportEvent(h, EVENTLOG_INFORMATION_TYPE, 0, 0, NULL, 1, 0, ptbuf, NULL);
 211         DeregisterEventSource(h);
 212 }
 213
 214         afsi_start();
 215
 216         MainThreadId = GetCurrentThreadId();
 217         jmpret = setjmp(notifier_jmp);
 218
 219         if (jmpret == 0) {
 220                 code = afsd_InitCM(&reason);
 221                 if (code != 0)
 222                         osi_panic(reason, __FILE__, __LINE__);
 223
 224                 code = afsd_InitDaemons(&reason);
 225                 if (code != 0)
 226                         osi_panic(reason, __FILE__, __LINE__);
 227
 228                 code = afsd_InitSMB(&reason, DummyMessageBox);
 229                 if (code != 0)
 230                         osi_panic(reason, __FILE__, __LINE__);
 231
 232 #ifndef NOTSERVICE
 233                 ServiceStatus.dwCurrentState = SERVICE_RUNNING;
 234                 ServiceStatus.dwWin32ExitCode = NO_ERROR;
 235                 ServiceStatus.dwCheckPoint = 0;
 236                 ServiceStatus.dwWaitHint = 0;
 237                 ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 238                 SetServiceStatus(StatusHandle, &ServiceStatus);
 239 #endif
 240         {
 241                 HANDLE h; char *ptbuf[1];
 242                 h = RegisterEventSource(NULL, AFS_DAEMON_EVENT_NAME);
 243                 ptbuf[0] = "AFS running";
 244                 ReportEvent(h, EVENTLOG_INFORMATION_TYPE, 0, 0, NULL, 1, 0, ptbuf, NULL);
 245                 DeregisterEventSource(h);
 246         }
 247         }
 248
 249         /* Check if we should mount a drive into AFS */
 250         CheckMountDrive();
 251
 252         WaitForSingleObject(WaitToTerminate, INFINITE);
 253
 254 {
 255         HANDLE h; char *ptbuf[1];
 256         h = RegisterEventSource(NULL, AFS_DAEMON_EVENT_NAME);
 257         ptbuf[0] = "AFS quitting";
 258         ReportEvent(h,
 259                 GlobalStatus ? EVENTLOG_ERROR_TYPE : EVENTLOG_INFORMATION_TYPE,
 260                 0, 0, NULL, 1, 0, ptbuf, NULL);
 261         DeregisterEventSource(h);
 262 }
 263
 264         ServiceStatus.dwCurrentState = SERVICE_STOPPED;
 265         ServiceStatus.dwWin32ExitCode = NO_ERROR;
 266         ServiceStatus.dwCheckPoint = 0;
 267         ServiceStatus.dwWaitHint = 0;
 268         ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP;
 269         SetServiceStatus(StatusHandle, &ServiceStatus);
 270 }
 271
 272 #ifdef NOTSERVICE
 273 void main()
 274 {
 275         afsd_Main();
 276         Sleep(1000);
 277         return ;
 278 }
 279 #else
 280 void _CRTAPI1 main()
 281 {
 282         LONG status = ERROR_SUCCESS;
 283         SERVICE_TABLE_ENTRY dispatchTable[] = {
 284                 {AFS_DAEMON_SERVICE_NAME, (LPSERVICE_MAIN_FUNCTION) afsd_Main},
 285                 {NULL, NULL}
 286         };
 287
 288         if (!StartServiceCtrlDispatcher(dispatchTable))
 289                 status = GetLastError();
 290 }
 291 #endif