Reviewed-by: [email protected]

-----Original Message-----
From: edk2-devel [mailto:[email protected]] On Behalf Of Qiu 
Shumin
Sent: Thursday, August 27, 2015 3:29 PM
To: [email protected]
Cc: Qiu, Shumin; Yao, Jiewen; Zhang, Chao B
Subject: [edk2] [PATCH] SecurityPkg: Use safe string function.

Cc: Yao Jiewen <[email protected]>
Cc: Chao Zhang <[email protected]>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Qiu Shumin <[email protected]>
---
 SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c | 52 ++++++++++++++---------------
 1 file changed, 26 insertions(+), 26 deletions(-)

diff --git a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c 
b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
index e1835b9..2453769 100644
--- a/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
+++ b/SecurityPkg/Tcg/Tcg2Config/Tcg2ConfigImpl.c
@@ -307,33 +307,33 @@ AppendBufferWithTpmAlgHash (
   switch (TpmAlgHash) {
   case TPM_ALG_SHA1:
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA1", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA1");
     break;
   case TPM_ALG_SHA256:
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA256", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA256");
     break;
   case TPM_ALG_SHA384:
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA384", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA384");
     break;
   case TPM_ALG_SHA512:
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA512", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA512");
     break;
   case TPM_ALG_SM3_256:
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SM3_256", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SM3_256");
     break;
   }
 }
@@ -356,33 +356,33 @@ FillBufferWithBootHashAlg (
   Buffer[0] = 0;
   if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA1) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA1", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA1");
   }
   if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA256) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA256", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA256");
   }
   if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA384) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA384", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA384");
   }
   if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA512) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SHA512", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA512");
   }
   if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SM3_256) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"SM3_256", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SM3_256");
   }
 }
 
@@ -404,21 +404,21 @@ FillBufferWithTCG2EventLogFormat (
   Buffer[0] = 0;
   if ((TCG2EventLogFormat & EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"TCG_1_2", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"TCG_1_2");
   }
   if ((TCG2EventLogFormat & EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"TCG_2", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"TCG_2");
   }
   if ((TCG2EventLogFormat & (~EFI_TCG2_EVENT_LOG_FORMAT_ALL)) != 0) {
     if (Buffer[0] != 0) {
-      StrnCat (Buffer, L", ", (BufferSize / sizeof (CHAR16)) - StrLen (Buffer) 
- 1);
+      StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");
     }
-    StrnCat (Buffer, L"UNKNOWN", (BufferSize / sizeof (CHAR16)) - StrLen 
(Buffer) - 1);
+    StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"UNKNOWN");
   }
 }
 
-- 
1.9.5.msysgit.1

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