/*
* This function is called on every keypress or mouse move, and
* will add the current time to the noise pool. It gets the scan
* code or mouse position passed in, and adds that too.
*/
void noise_ultralight(NoiseSourceId id, unsigned long data)
{
struct timeval tv;
gettimeofday(&tv, NULL);
random_add_noise(NOISE_SOURCE_TIME, &tv, sizeof(tv));
random_add_noise(id, &data, sizeof(data));
}
void random_initialize(RandomState * state, uid_t uid, const char *filename)
{
char buf[8192];
int bytes;
UserFile uf;
state->add_position = 0;
state->next_available_byte = sizeof(state->stir_key);
state->last_dev_random_usage = 0;
/* This isn't strictly necessary, but will keep programs like 3rd degree or
purify silent. */
memset(state->state, 0, sizeof(state->state));
/* Get noise from the file. */
random_add_noise(state, filename, strlen(filename)); /* Use the path. */
uf = userfile_open(uid, filename, O_RDONLY, 0);
if (uf != NULL) {
state->state[0] += (int) uf;
bytes = userfile_read(uf, buf, sizeof(buf));
userfile_close(uf);
if (bytes > 0)
random_add_noise(state, buf, bytes);
memset(buf, 0, sizeof(buf));
} else {
/* Get all possible noise since we have no seed. */
random_acquire_environmental_noise(state, uid);
random_save(state, uid, filename);
}
/* Get easily available noise from the environment. */
random_acquire_light_environmental_noise(state);
}
/*
* This function is called on every keypress or mouse move, and
* will add the current time to the noise pool. It gets the scan
* code or mouse position passed in, and adds that too.
*/
void noise_ultralight(unsigned long data)
{
UnsignedWide utc;
Microseconds(&utc);
random_add_noise(&utc, sizeof(utc));
random_add_noise(&data, sizeof(data));
}
/*
* This function is called on every keypress or mouse move, and
* will add the current Windows time and performance monitor
* counter to the noise pool. It gets the scan code or mouse
* position passed in.
*/
void noise_ultralight(DWORD data) {
DWORD wintime;
LARGE_INTEGER perftime;
random_add_noise(&data, sizeof(DWORD));
wintime = GetTickCount();
random_add_noise(&wintime, sizeof(DWORD));
if (QueryPerformanceCounter(&perftime))
random_add_noise(&perftime, sizeof(perftime));
}
/*
* This function is called on every keypress or mouse move, and
* will add the current Windows time and performance monitor
* counter to the noise pool. It gets the scan code or mouse
* position passed in.
*/
void noise_ultralight(NoiseSourceId id, unsigned long data)
{
DWORD wintime;
LARGE_INTEGER perftime;
random_add_noise(id, &data, sizeof(DWORD));
wintime = GetTickCount();
random_add_noise(NOISE_SOURCE_TIME, &wintime, sizeof(DWORD));
if (QueryPerformanceCounter(&perftime))
random_add_noise(NOISE_SOURCE_PERFCOUNT, &perftime, sizeof(perftime));
}
/*
* This function is called on a timer, and it will monitor
* frequently changing quantities such as the state of physical and
* virtual memory, the state of the process's message queue, which
* window is in the foreground, which owns the clipboard, etc.
*/
void noise_regular(void)
{
HWND w;
DWORD z;
POINT pt;
MEMORYSTATUS memstat;
FILETIME times[4];
w = GetForegroundWindow();
random_add_noise(NOISE_SOURCE_FGWINDOW, &w, sizeof(w));
w = GetCapture();
random_add_noise(NOISE_SOURCE_CAPTURE, &w, sizeof(w));
w = GetClipboardOwner();
random_add_noise(NOISE_SOURCE_CLIPBOARD, &w, sizeof(w));
z = GetQueueStatus(QS_ALLEVENTS);
random_add_noise(NOISE_SOURCE_QUEUE, &z, sizeof(z));
GetCursorPos(&pt);
random_add_noise(NOISE_SOURCE_CURSORPOS, &pt, sizeof(pt));
GlobalMemoryStatus(&memstat);
random_add_noise(NOISE_SOURCE_MEMINFO, &memstat, sizeof(memstat));
GetThreadTimes(GetCurrentThread(), times, times + 1, times + 2,
times + 3);
random_add_noise(NOISE_SOURCE_THREADTIME, ×, sizeof(times));
GetProcessTimes(GetCurrentProcess(), times, times + 1, times + 2,
times + 3);
random_add_noise(NOISE_SOURCE_PROCTIME, ×, sizeof(times));
}
/*
* This function is called on a timer, and it will monitor
* frequently changing quantities such as the state of physical and
* virtual memory, the state of the process's message queue, which
* window is in the foreground, which owns the clipboard, etc.
*/
void noise_regular(void)
{
HWND w;
DWORD z;
POINT pt;
MEMORYSTATUS memstat;
FILETIME times[4];
w = GetForegroundWindow();
random_add_noise(&w, sizeof(w));
w = GetCapture();
random_add_noise(&w, sizeof(w));
w = GetClipboardOwner();
random_add_noise(&w, sizeof(w));
z = GetQueueStatus(QS_ALLEVENTS);
random_add_noise(&z, sizeof(z));
GetCursorPos(&pt);
random_add_noise(&pt, sizeof(pt));
GlobalMemoryStatus(&memstat);
random_add_noise(&memstat, sizeof(memstat));
GetThreadTimes(GetCurrentThread(), times, times + 1, times + 2,
times + 3);
random_add_noise(×, sizeof(times));
GetProcessTimes(GetCurrentProcess(), times, times + 1, times + 2,
times + 3);
random_add_noise(×, sizeof(times));
}
/*
* This function is called on every keypress or mouse move, and
* will add the current Windows time and performance monitor
* counter to the noise pool. It gets the scan code or mouse
* position passed in.
*/
void noise_ultralight(unsigned long data)
{
DWORD wintime;
LARGE_INTEGER perftime;
MPEXT_PUTTY_SECTION_ENTER;
random_add_noise(&data, sizeof(DWORD));
wintime = GetTickCount();
random_add_noise(&wintime, sizeof(DWORD));
if (QueryPerformanceCounter(&perftime))
random_add_noise(&perftime, sizeof(perftime));
MPEXT_PUTTY_SECTION_LEAVE;
}
/*
* This function is called on every keypress or mouse move, and
* will add the current Windows time and performance monitor
* counter to the noise pool. It gets the scan code or mouse
* position passed in.
*/
void noise_ultralight(unsigned long data)
{
DWORD wintime;
LARGE_INTEGER perftime;
#ifdef MPEXT
EnterCriticalSection(&noise_section);
#endif
random_add_noise(&data, sizeof(DWORD));
wintime = GetTickCount();
random_add_noise(&wintime, sizeof(DWORD));
if (QueryPerformanceCounter(&perftime))
random_add_noise(&perftime, sizeof(perftime));
#ifdef MPEXT
LeaveCriticalSection(&noise_section);
#endif
}
/*
* This function is called on a timer, and grabs as much changeable
* system data as it can quickly get its hands on.
*/
void noise_regular(void)
{
int fd;
int ret;
char buf[512];
struct rusage rusage;
if ((fd = open("/proc/meminfo", O_RDONLY)) >= 0) {
while ( (ret = read(fd, buf, sizeof(buf))) > 0)
random_add_noise(NOISE_SOURCE_MEMINFO, buf, ret);
close(fd);
}
if ((fd = open("/proc/stat", O_RDONLY)) >= 0) {
while ( (ret = read(fd, buf, sizeof(buf))) > 0)
random_add_noise(NOISE_SOURCE_STAT, buf, ret);
close(fd);
}
getrusage(RUSAGE_SELF, &rusage);
random_add_noise(NOISE_SOURCE_RUSAGE, &rusage, sizeof(rusage));
}
void random_get_noise_from_command(RandomState * state, uid_t uid, const char *cmd)
{
char line[1000];
UserFile uf;
uf = userfile_popen(uid, cmd, "r");
if (uf == NULL)
return;
while (userfile_gets(line, sizeof(line), uf))
random_add_noise(state, line, strlen(line));
userfile_pclose(uf);
memset(line, 0, sizeof(line));
}
void Profile::InitGeneralData()
{
// Init m_iGuid.
// Does the RNG need to be inited and seeded every time?
random_init();
random_add_noise( "ai8049ujr3odusj" );
{
m_sGuid = "";
for( unsigned i=0; i<GUID_SIZE_BYTES; i++ )
m_sGuid += ssprintf( "%02x", random_byte() );
}
m_bUsingProfileDefaultModifiers = false;
m_sDefaultModifiers = "";
m_SortOrder = SORT_INVALID;
m_LastDifficulty = DIFFICULTY_INVALID;
m_LastCourseDifficulty = DIFFICULTY_INVALID;
m_lastSong.Unset();
m_lastCourse.Unset();
m_iTotalPlays = 0;
m_iTotalPlaySeconds = 0;
m_iTotalGameplaySeconds = 0;
m_iCurrentCombo = 0;
m_fTotalCaloriesBurned = 0;
m_iTotalDancePoints = 0;
m_iNumExtraStagesPassed = 0;
m_iNumExtraStagesFailed = 0;
m_iNumToasties = 0;
m_UnlockedSongs.clear();
m_sLastPlayedMachineGuid = "";
m_LastPlayedDate.Init();
m_iTotalTapsAndHolds = 0;
m_iTotalJumps = 0;
m_iTotalHolds = 0;
m_iTotalMines = 0;
m_iTotalHands = 0;
int i;
for( i=0; i<NUM_PLAY_MODES; i++ )
m_iNumSongsPlayedByPlayMode[i] = 0;
m_iNumSongsPlayedByStyle.clear();
for( i=0; i<NUM_DIFFICULTIES; i++ )
m_iNumSongsPlayedByDifficulty[i] = 0;
for( i=0; i<MAX_METER+1; i++ )
m_iNumSongsPlayedByMeter[i] = 0;
ZERO( m_iNumStagesPassedByPlayMode );
ZERO( m_iNumStagesPassedByGrade );
}
void random_acquire_light_environmental_noise(RandomState * state)
{
int f;
char buf[32];
int len;
/* Stir first to make all bits depend on all other bits (some of
them not revealed to callers). */
random_stir(state);
/* About every five minutes, mix in some noise from /dev/random. */
if (time(NULL) - state->last_dev_random_usage > 5 * 60) {
state->last_dev_random_usage = time(NULL);
/* If /dev/random is available, read some data from there in non-blocking
mode and mix it into the pool. */
f = open("/dev/random", O_RDONLY);
if (f >= 0) {
/* Set the descriptor into non-blocking mode. */
#if defined(O_NONBLOCK) && !defined(O_NONBLOCK_BROKEN)
fcntl(f, F_SETFL, O_NONBLOCK);
#else /* O_NONBLOCK && !O_NONBLOCK_BROKEN */
fcntl(f, F_SETFL, O_NDELAY);
#endif /* O_NONBLOCK && !O_NONBLOCK_BROKEN */
len = read(f, buf, sizeof(buf));
close(f);
if (len > 0)
random_add_noise(state, buf, len);
}
}
/* Get miscellaneous noise from various system parameters and statistics. */
random_xor_noise(state, (unsigned int) (state->state[0] + 256 * state->state[1]) % (RANDOM_STATE_BYTES / 4), (word32) time(NULL));
#ifdef HAVE_GETTIMEOFDAY
{
struct timeval tv;
#ifdef HAVE_NO_TZ_IN_GETTIMEOFDAY
gettimeofday(&tv);
#else
gettimeofday(&tv, NULL);
#endif
random_xor_noise(state, 0, (word32) tv.tv_usec);
random_xor_noise(state, 1, (word32) tv.tv_sec);
#ifdef HAVE_CLOCK
random_xor_noise(state, 3, (word32) clock());
#endif /* HAVE_CLOCK */
}
#endif /* HAVE_GETTIMEOFDAY */
#ifdef HAVE_TIMES
{
struct tms tm;
random_xor_noise(state, 2, (word32) times(&tm));
random_xor_noise(state, 4, (word32) (tm.tms_utime ^ (tm.tms_stime << 8) ^ (tm.tms_cutime << 16) ^ (tm.tms_cstime << 24)));
}
#endif /* HAVE_TIMES */
#ifdef HAVE_GETRUSAGE
{
struct rusage ru, cru;
getrusage(RUSAGE_SELF, &ru);
getrusage(RUSAGE_CHILDREN, &cru);
random_xor_noise(state, 0, (word32) (ru.ru_utime.tv_usec + cru.ru_utime.tv_usec));
random_xor_noise(state, 2, (word32) (ru.ru_stime.tv_usec + cru.ru_stime.tv_usec));
random_xor_noise(state, 5, (word32) (ru.ru_maxrss + cru.ru_maxrss));
random_xor_noise(state, 6, (word32) (ru.ru_ixrss + cru.ru_ixrss));
random_xor_noise(state, 7, (word32) (ru.ru_idrss + cru.ru_idrss));
random_xor_noise(state, 8, (word32) (ru.ru_minflt + cru.ru_minflt));
random_xor_noise(state, 9, (word32) (ru.ru_majflt + cru.ru_majflt));
random_xor_noise(state, 10, (word32) (ru.ru_nswap + cru.ru_nswap));
random_xor_noise(state, 11, (word32) (ru.ru_inblock + cru.ru_inblock));
random_xor_noise(state, 12, (word32) (ru.ru_oublock + cru.ru_oublock));
random_xor_noise(state, 13, (word32) ((ru.ru_msgsnd ^ ru.ru_msgrcv ^ ru.ru_nsignals) + (cru.ru_msgsnd ^ cru.ru_msgrcv ^ cru.ru_nsignals)));
random_xor_noise(state, 14, (word32) (ru.ru_nvcsw + cru.ru_nvcsw));
random_xor_noise(state, 15, (word32) (ru.ru_nivcsw + cru.ru_nivcsw));
}
#endif /* HAVE_GETRUSAGE */
random_xor_noise(state, 11, (word32) getpid());
random_xor_noise(state, 12, (word32) getppid());
random_xor_noise(state, 10, (word32) getuid());
random_xor_noise(state, 10, (word32) (getgid() << 16));
#ifdef _POSIX_CHILD_MAX
random_xor_noise(state, 13, (word32) (_POSIX_CHILD_MAX << 16));
#endif /* _POSIX_CHILD_MAX */
#ifdef CLK_TCK
random_xor_noise(state, 14, (word32) (CLK_TCK << 16));
#endif /* CLK_TCK */
random_stir(state);
}