https://bugzilla.tianocore.org/show_bug.cgi?id=2420

Add X509ConstructCertificateStackV() to BaseCryptLib that is
identical in behavior to X509ConstructCertificateStack(), but
it takes a VA_LIST parameter for the variable argument list.

The VA_LIST form of this function is required for BaseCryptLib
functions to be wrapped in a Protocol/PPI.

Cc: Jian J Wang <jian.j.w...@intel.com>
Cc: Xiaoyu Lu <xiaoyux...@intel.com>
Signed-off-by: Michael D Kinney <michael.d.kin...@intel.com>
Reviewed-by: Jian J Wang <jian.j.w...@intel.com>
---
 CryptoPkg/Include/Library/BaseCryptLib.h      | 26 ++++++++++
 CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c | 50 +++++++++++++++----
 .../Library/BaseCryptLib/Pk/CryptX509Null.c   | 32 +++++++++++-
 .../BaseCryptLibNull/Pk/CryptX509Null.c       | 32 +++++++++++-
 4 files changed, 128 insertions(+), 12 deletions(-)

diff --git a/CryptoPkg/Include/Library/BaseCryptLib.h 
b/CryptoPkg/Include/Library/BaseCryptLib.h
index 8320fddc4c..5e8f2e0a10 100644
--- a/CryptoPkg/Include/Library/BaseCryptLib.h
+++ b/CryptoPkg/Include/Library/BaseCryptLib.h
@@ -2371,6 +2371,32 @@ X509ConstructCertificate (
   OUT  UINT8        **SingleX509Cert
   );
 
+/**
+  Construct a X509 stack object from a list of DER-encoded certificate data.
+
+  If X509Stack is NULL, then return FALSE.
+  If this interface is not supported, then return FALSE.
+
+  @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 
stack object.
+                              On output, pointer to the X509 stack object with 
new
+                              inserted X509 certificate.
+  @param[in]       Args       VA_LIST marker for the variable argument list.
+                              A list of DER-encoded single certificate data 
followed
+                              by certificate size. A NULL terminates the list. 
The
+                              pairs are the arguments to 
X509ConstructCertificate().
+
+  @retval     TRUE            The X509 stack construction succeeded.
+  @retval     FALSE           The construction operation failed.
+  @retval     FALSE           This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+X509ConstructCertificateStackV (
+  IN OUT  UINT8    **X509Stack,
+  IN      VA_LIST  Args
+  );
+
 /**
   Construct a X509 stack object from a list of DER-encoded certificate data.
 
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c 
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
index 9b5579e71a..b1393a89c5 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
@@ -1,7 +1,7 @@
 /** @file
   X.509 Certificate Handler Wrapper Implementation over OpenSSL.
 
-Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2010 - 2020, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -60,23 +60,26 @@ X509ConstructCertificate (
   Construct a X509 stack object from a list of DER-encoded certificate data.
 
   If X509Stack is NULL, then return FALSE.
+  If this interface is not supported, then return FALSE.
 
   @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 
stack object.
                               On output, pointer to the X509 stack object with 
new
                               inserted X509 certificate.
-  @param           ...        A list of DER-encoded single certificate data 
followed
+  @param[in]       Args       VA_LIST marker for the variable argument list.
+                              A list of DER-encoded single certificate data 
followed
                               by certificate size. A NULL terminates the list. 
The
                               pairs are the arguments to 
X509ConstructCertificate().
 
   @retval     TRUE            The X509 stack construction succeeded.
   @retval     FALSE           The construction operation failed.
+  @retval     FALSE           This interface is not supported.
 
 **/
 BOOLEAN
 EFIAPI
-X509ConstructCertificateStack (
-  IN OUT  UINT8  **X509Stack,
-  ...
+X509ConstructCertificateStackV (
+  IN OUT  UINT8    **X509Stack,
+  IN      VA_LIST  Args
   )
 {
   UINT8           *Cert;
@@ -84,7 +87,6 @@ X509ConstructCertificateStack (
   X509            *X509Cert;
   STACK_OF(X509)  *CertStack;
   BOOLEAN         Status;
-  VA_LIST         Args;
   UINTN           Index;
 
   //
@@ -107,8 +109,6 @@ X509ConstructCertificateStack (
     }
   }
 
-  VA_START (Args, X509Stack);
-
   for (Index = 0; ; Index++) {
     //
     // If Cert is NULL, then it is the end of the list.
@@ -145,8 +145,6 @@ X509ConstructCertificateStack (
     sk_X509_push (CertStack, X509Cert);
   }
 
-  VA_END (Args);
-
   if (!Status) {
     sk_X509_pop_free (CertStack, X509_free);
   } else {
@@ -156,6 +154,38 @@ X509ConstructCertificateStack (
   return Status;
 }
 
+/**
+  Construct a X509 stack object from a list of DER-encoded certificate data.
+
+  If X509Stack is NULL, then return FALSE.
+
+  @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 
stack object.
+                              On output, pointer to the X509 stack object with 
new
+                              inserted X509 certificate.
+  @param           ...        A list of DER-encoded single certificate data 
followed
+                              by certificate size. A NULL terminates the list. 
The
+                              pairs are the arguments to 
X509ConstructCertificate().
+
+  @retval     TRUE            The X509 stack construction succeeded.
+  @retval     FALSE           The construction operation failed.
+
+**/
+BOOLEAN
+EFIAPI
+X509ConstructCertificateStack (
+  IN OUT  UINT8  **X509Stack,
+  ...
+  )
+{
+  VA_LIST  Args;
+  BOOLEAN  Result;
+
+  VA_START (Args, X509Stack);
+  Result = X509ConstructCertificateStackV (X509Stack, Args);
+  VA_END (Args);
+  return Result;
+}
+
 /**
   Release the specified X509 object.
 
diff --git a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509Null.c 
b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509Null.c
index 5e59cb1634..14309825ed 100644
--- a/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509Null.c
+++ b/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509Null.c
@@ -2,7 +2,7 @@
   X.509 Certificate Handler Wrapper Implementation which does not provide
   real capabilities.
 
-Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2012 - 2020, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -33,6 +33,36 @@ X509ConstructCertificate (
   return FALSE;
 }
 
+/**
+  Construct a X509 stack object from a list of DER-encoded certificate data.
+
+  If X509Stack is NULL, then return FALSE.
+  If this interface is not supported, then return FALSE.
+
+  @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 
stack object.
+                              On output, pointer to the X509 stack object with 
new
+                              inserted X509 certificate.
+  @param[in]       Args       VA_LIST marker for the variable argument list.
+                              A list of DER-encoded single certificate data 
followed
+                              by certificate size. A NULL terminates the list. 
The
+                              pairs are the arguments to 
X509ConstructCertificate().
+
+  @retval     TRUE            The X509 stack construction succeeded.
+  @retval     FALSE           The construction operation failed.
+  @retval     FALSE           This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+X509ConstructCertificateStackV (
+  IN OUT  UINT8    **X509Stack,
+  IN      VA_LIST  Args
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
 /**
   Construct a X509 stack object from a list of DER-encoded certificate data.
 
diff --git a/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptX509Null.c 
b/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptX509Null.c
index 5e59cb1634..14309825ed 100644
--- a/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptX509Null.c
+++ b/CryptoPkg/Library/BaseCryptLibNull/Pk/CryptX509Null.c
@@ -2,7 +2,7 @@
   X.509 Certificate Handler Wrapper Implementation which does not provide
   real capabilities.
 
-Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2012 - 2020, Intel Corporation. All rights reserved.<BR>
 SPDX-License-Identifier: BSD-2-Clause-Patent
 
 **/
@@ -33,6 +33,36 @@ X509ConstructCertificate (
   return FALSE;
 }
 
+/**
+  Construct a X509 stack object from a list of DER-encoded certificate data.
+
+  If X509Stack is NULL, then return FALSE.
+  If this interface is not supported, then return FALSE.
+
+  @param[in, out]  X509Stack  On input, pointer to an existing or NULL X509 
stack object.
+                              On output, pointer to the X509 stack object with 
new
+                              inserted X509 certificate.
+  @param[in]       Args       VA_LIST marker for the variable argument list.
+                              A list of DER-encoded single certificate data 
followed
+                              by certificate size. A NULL terminates the list. 
The
+                              pairs are the arguments to 
X509ConstructCertificate().
+
+  @retval     TRUE            The X509 stack construction succeeded.
+  @retval     FALSE           The construction operation failed.
+  @retval     FALSE           This interface is not supported.
+
+**/
+BOOLEAN
+EFIAPI
+X509ConstructCertificateStackV (
+  IN OUT  UINT8    **X509Stack,
+  IN      VA_LIST  Args
+  )
+{
+  ASSERT (FALSE);
+  return FALSE;
+}
+
 /**
   Construct a X509 stack object from a list of DER-encoded certificate data.
 
-- 
2.21.0.windows.1


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