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CryptoPkg/BaseCryptLib: Add error handling for time() wrapper

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In time() wrapper implementation, the gRT->GetTime() call may be not
available. This patch adds the extra error handling to avoid the
potential dead loop.

Cc: Star Zeng <star.zeng@intel.com>
Cc: Ting Ye <ting.ye@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qin Long <qin.long@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
This commit is contained in:
Long Qin 2018-01-22 14:27:53 +08:00
parent a662afb5b0
commit ab187ae25a
1 changed files with 9 additions and 5 deletions
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14
CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c
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@ -2,7 +2,7 @@
C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME). for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME).
Copyright (c) 2010 - 2017, Intel Corporation. All rights reserved.<BR> Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at which accompanies this distribution. The full text of the license may be found at
@ -72,14 +72,18 @@ UINTN CumulativeDays[2][14] = {
// ) // )
time_t time (time_t *timer) time_t time (time_t *timer)
{ {
EFI_TIME Time; EFI_STATUS Status;
time_t CalTime; EFI_TIME Time;
UINTN Year; time_t CalTime;
UINTN Year;
// //
// Get the current time and date information // Get the current time and date information
// //
gRT->GetTime (&Time, NULL); Status = gRT->GetTime (&Time, NULL);
if (EFI_ERROR (Status) || (Time.Year < 1970)) {
return 0;
}
// //
// Years Handling // Years Handling