diff options
Diffstat (limited to 'random/rndw32.c')
| -rw-r--r-- | random/rndw32.c | 39 |
1 files changed, 32 insertions, 7 deletions
diff --git a/random/rndw32.c b/random/rndw32.c index d250c061..4511ceeb 100644 --- a/random/rndw32.c +++ b/random/rndw32.c @@ -1,5 +1,6 @@ /* rndw32.c - W32 entropy gatherer - * Copyright (C) 1999, 2000, 2002, 2003, 2007 Free Software Foundation, Inc. + * Copyright (C) 1999, 2000, 2002, 2003, 2007, + * 2010 Free Software Foundation, Inc. * Copyright Peter Gutmann, Matt Thomlinson and Blake Coverett 1996-2006 * * This file is part of Libgcrypt. @@ -328,6 +329,7 @@ read_system_rng (void (*add)(const void*, size_t, enum random_origins), /* Read data from MBM. This communicates via shared memory, so all we need to do is map a file and read the data out. */ +#ifndef HAVE_W32CE_SYSTEM static void read_mbm_data (void (*add)(const void*, size_t, enum random_origins), enum random_origins requester) @@ -350,6 +352,7 @@ read_mbm_data (void (*add)(const void*, size_t, enum random_origins), CloseHandle (hMBMData); } } +#endif /*!HAVE_W32CE_SYSTEM*/ /* Fallback method using the registry to poll the statistics. */ @@ -556,8 +559,10 @@ slow_gatherer ( void (*add)(const void*, size_t, enum random_origins), } read_system_rng ( add, requester ); +#ifndef HAVE_W32CE_SYSTEM read_mbm_data ( add, requester ); - +#endif + /* Get network statistics. Note: Both NT Workstation and NT Server by default will be running both the workstation and server services. The heuristic below is probably useful though on the assumption that the @@ -774,8 +779,13 @@ _gcry_rndw32_gather_random (void (*add)(const void*, size_t, OSVERSIONINFO osvi = { sizeof( osvi ) }; GetVersionEx( &osvi ); - if ( osvi.dwPlatformId != VER_PLATFORM_WIN32_NT) +#ifdef HAVE_W32CE_SYSTEM + if (osvi.dwPlatformId != VER_PLATFORM_WIN32_CE) + log_fatal ("can only run on a Windows CE platform\n" ); +#else + if (osvi.dwPlatformId != VER_PLATFORM_WIN32_NT) log_fatal ("can only run on a Windows NT platform\n" ); +#endif system_is_w2000 = (osvi.dwMajorVersion == 5 && osvi.dwMinorVersion == 0); init_system_rng (); is_initialized = 1; @@ -821,23 +831,28 @@ _gcry_rndw32_gather_random_fast (void (*add)(const void*, size_t, memcpy (bufptr, &along, sizeof (along) ); \ bufptr += sizeof (along); \ } while (0) +#ifdef HAVE_W32CE_SYSTEM +# define ADD_NO_CE(f) +#else +# define ADD_NO_CE(f) ADD(f) +#endif ADD ( GetActiveWindow ()); ADD ( GetCapture ()); ADD ( GetClipboardOwner ()); - ADD ( GetClipboardViewer ()); + ADD_NO_CE ( GetClipboardViewer ()); ADD ( GetCurrentProcess ()); ADD ( GetCurrentProcessId ()); ADD ( GetCurrentThread ()); ADD ( GetCurrentThreadId ()); ADD ( GetDesktopWindow ()); ADD ( GetFocus ()); - ADD ( GetInputState ()); + ADD_NO_CE ( GetInputState ()); ADD ( GetMessagePos ()); - ADD ( GetMessageTime ()); + ADD_NO_CE ( GetMessageTime ()); ADD ( GetOpenClipboardWindow ()); ADD ( GetProcessHeap ()); - ADD ( GetProcessWindowStation ()); + ADD_NO_CE ( GetProcessWindowStation ()); ADD ( GetQueueStatus (QS_ALLEVENTS)); ADD ( GetTickCount ()); @@ -883,9 +898,15 @@ _gcry_rndw32_gather_random_fast (void (*add)(const void*, size_t, (*add) ( &kernelTime, sizeof (kernelTime), origin ); (*add) ( &userTime, sizeof (userTime), origin ); +#ifdef HAVE_W32CE_SYSTEM + handle = GetCurrentThread (); + GetThreadTimes (handle, &creationTime, &exitTime, + &kernelTime, &userTime); +#else handle = GetCurrentProcess (); GetProcessTimes (handle, &creationTime, &exitTime, &kernelTime, &userTime); +#endif (*add) ( &creationTime, sizeof (creationTime), origin ); (*add) ( &exitTime, sizeof (exitTime), origin ); (*add) ( &kernelTime, sizeof (kernelTime), origin ); @@ -893,17 +914,20 @@ _gcry_rndw32_gather_random_fast (void (*add)(const void*, size_t, /* Get the minimum and maximum working set size for the current process. */ +#ifndef HAVE_W32CE_SYSTEM GetProcessWorkingSetSize (handle, &minimumWorkingSetSize, &maximumWorkingSetSize); (*add) ( &minimumWorkingSetSize, sizeof (minimumWorkingSetSize), origin ); (*add) ( &maximumWorkingSetSize, sizeof (maximumWorkingSetSize), origin ); +#endif /*!HAVE_W32CE_SYSTEM*/ } /* The following are fixed for the lifetime of the process so we only * add them once */ +#ifndef HAVE_W32CE_SYSTEM if (!addedFixedItems) { STARTUPINFO startupInfo; @@ -916,6 +940,7 @@ _gcry_rndw32_gather_random_fast (void (*add)(const void*, size_t, (*add) ( &startupInfo, sizeof (STARTUPINFO), origin ); addedFixedItems = 1; } +#endif /*!HAVE_W32CE_SYSTEM*/ /* The performance of QPC varies depending on the architecture it's running on and on the OS, the MS documentation is vague about the |