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ntp: print warning 10 years before supported time ends

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This commit is contained in:
Miroslav Lichvar
2014-09-09 14:02:00 +02:00
parent 28db0fdde9
commit e1accce498
1 changed files with 13 additions and 0 deletions
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13
ntp_core.c
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@@ -262,6 +262,9 @@ do_size_checks(void)
static void static void
do_time_checks(void) do_time_checks(void)
{ {
struct timeval now;
time_t warning_advance = 3600 * 24 * 365 * 10; /* 10 years */
#ifdef HAVE_LONG_TIME_T #ifdef HAVE_LONG_TIME_T
/* Check that time before NTP_ERA_SPLIT underflows correctly */ /* Check that time before NTP_ERA_SPLIT underflows correctly */
@@ -278,6 +281,16 @@ do_time_checks(void)
tv1.tv_sec + (1ULL << 32) - 1 == tv2.tv_sec; tv1.tv_sec + (1ULL << 32) - 1 == tv2.tv_sec;
assert(r); assert(r);
LCL_ReadRawTime(&now);
if (tv2.tv_sec - now.tv_sec < warning_advance)
LOG(LOGS_WARN, LOGF_NtpCore, "Assumed NTP time ends at %s!",
UTI_TimeToLogForm(tv2.tv_sec));
#else
LCL_ReadRawTime(&now);
if (now.tv_sec > 0x7fffffff - warning_advance)
LOG(LOGS_WARN, LOGF_NtpCore, "System time ends at %s!",
UTI_TimeToLogForm(0x7fffffff));
#endif #endif
} }