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util/clock.c: Block SetLocalTime

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Tau 2019-04-20 17:43:51 -04:00
parent f6a2e64df2
commit c42b70b2c2
1 changed files with 12 additions and 1 deletions
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13
util/clock.c
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@ -10,6 +10,7 @@ static void WINAPI my_GetSystemTimeAsFileTime(FILETIME *out);
static BOOL WINAPI my_GetLocalTime(SYSTEMTIME *out); static BOOL WINAPI my_GetLocalTime(SYSTEMTIME *out);
static BOOL WINAPI my_GetSystemTime(SYSTEMTIME *out); static BOOL WINAPI my_GetSystemTime(SYSTEMTIME *out);
static DWORD WINAPI my_GetTimeZoneInformation(TIME_ZONE_INFORMATION *tzinfo); static DWORD WINAPI my_GetTimeZoneInformation(TIME_ZONE_INFORMATION *tzinfo);
static BOOL WINAPI my_SetLocalTime(SYSTEMTIME *in);
static BOOL WINAPI my_SetSystemTime(SYSTEMTIME *in); static BOOL WINAPI my_SetSystemTime(SYSTEMTIME *in);
static BOOL WINAPI my_SetTimeZoneInformation(TIME_ZONE_INFORMATION *tzinfo); static BOOL WINAPI my_SetTimeZoneInformation(TIME_ZONE_INFORMATION *tzinfo);
@ -30,6 +31,9 @@ static const struct hook_symbol clock_hook_syms[] = {
}, { }, {
.name = "GetTimeZoneInformation", .name = "GetTimeZoneInformation",
.patch = my_GetTimeZoneInformation, .patch = my_GetTimeZoneInformation,
}, {
.name = "SetLocalTime",
.patch = my_SetLocalTime,
}, { }, {
.name = "SetSystemTime", .name = "SetSystemTime",
.patch = my_SetSystemTime, .patch = my_SetSystemTime,
@ -158,9 +162,16 @@ static DWORD WINAPI my_GetTimeZoneInformation(TIME_ZONE_INFORMATION *tzinfo)
} }
} }
static BOOL WINAPI my_SetLocalTime(SYSTEMTIME *in)
{
dprintf("Prevented application from screwing with the local time\n");
return TRUE;
}
static BOOL WINAPI my_SetSystemTime(SYSTEMTIME *in) static BOOL WINAPI my_SetSystemTime(SYSTEMTIME *in)
{ {
dprintf("Prevented application from screwing with the system clock\n"); dprintf("Prevented application from screwing with the system time\n");
return TRUE; return TRUE;
} }