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authorEric Dong <eric.dong@intel.com>2014-01-23 02:00:15 +0000
committerydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>2014-01-23 02:00:15 +0000
commit27582c41bacab463c9ca8db219c257dcd6081b32 (patch)
treec8d32422ae0c5a1ae2430cc4b5bdbf71f29880f0
parent96179cb36e78bd21e64e7b00c0dc914cb9844850 (diff)
downloadedk2-27582c41bacab463c9ca8db219c257dcd6081b32.zip
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Update password process logic, if password without interactive attribute, the first byte of buffer is zero means this password not has preexist value.
Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15170 6f19259b-4bc3-4df7-8a09-765794883524
-rw-r--r--MdeModulePkg/Universal/SetupBrowserDxe/Setup.c18
1 files changed, 16 insertions, 2 deletions
diff --git a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
index 11c9589..9b6111c 100644
--- a/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
+++ b/MdeModulePkg/Universal/SetupBrowserDxe/Setup.c
@@ -1,7 +1,7 @@
/** @file
Entry and initialization module for the browser.
-Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2007 - 2014, 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
@@ -4673,7 +4673,21 @@ PasswordCheck (
if (PasswordString == NULL) {
return EFI_SUCCESS;
}
-
+
+ //
+ // Check whether has preexisted password.
+ //
+ if (PasswordString[0] == 0) {
+ if (*((CHAR16 *) Question->BufferValue) == 0) {
+ return EFI_SUCCESS;
+ } else {
+ return EFI_NOT_READY;
+ }
+ }
+
+ //
+ // Check whether the input password is same as preexisted password.
+ //
if (StrnCmp (PasswordString, (CHAR16 *) Question->BufferValue, Question->StorageWidth/sizeof (CHAR16)) == 0) {
return EFI_SUCCESS;
} else {