tyler.durden
/
audk
mirror of https://github.com/acidanthera/audk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

CryptoPkg: Fix the potential system hang issue 

This patch is used to fix the potential system hang
caused by the NULL 'time' parameter usage.

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Long Qin <qin.long@intel.com>
Cc: Ye Ting <ting.ye@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com>
Reviewed-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jiaxin Wu 2016-03-11 11:02:00 +08:00
parent 727894d5c9
commit 5e2318dd37
1 changed files with 16 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
CryptoPkg/Library/BaseCryptLib/SysCall/TimerWrapper.c
View File

@ -2,7 +2,7 @@
C Run-Time Libraries (CRT) Time Management Routines Wrapper Implementation
for OpenSSL-based Cryptographic Library (used in DXE & RUNTIME).
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
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
@ -73,6 +73,7 @@ UINTN CumulativeDays[2][14] = {
time_t time (time_t *timer)
{
EFI_TIME Time;
time_t CalTime;
UINTN Year;
//
@ -84,14 +85,14 @@ time_t time (time_t *timer)
// Years Handling
// UTime should now be set to 00:00:00 on Jan 1 of the current year.
//
for (Year = 1970, *timer = 0; Year != Time.Year; Year++) {
*timer = *timer + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
for (Year = 1970, CalTime = 0; Year != Time.Year; Year++) {
CalTime = CalTime + (time_t)(CumulativeDays[IsLeap(Year)][13] * SECSPERDAY);
}
//
// Add in number of seconds for current Month, Day, Hour, Minute, Seconds, and TimeZone adjustment
//
*timer = *timer +
CalTime = CalTime +
(time_t)((Time.TimeZone != EFI_UNSPECIFIED_TIMEZONE) ? (Time.TimeZone * 60) : 0) +
(time_t)(CumulativeDays[IsLeap(Time.Year)][Time.Month] * SECSPERDAY) +
(time_t)(((Time.Day > 0) ? Time.Day - 1 : 0) * SECSPERDAY) +
@ -99,7 +100,11 @@ time_t time (time_t *timer)
(time_t)(Time.Minute * 60) +
(time_t)Time.Second;
return *timer;
if (timer != NULL) {
*timer = CalTime;
}
return CalTime;
}
//