Adding upstream version 0.9.2.upstream/0.9.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 145 insertions, 0 deletions

diff --git a/src/tpm2/IoBuffers.c b/src/tpm2/IoBuffers.c
new file mode 100644
index 0000000..03739ed
--- /dev/null
+++ b/src/tpm2/IoBuffers.c
@@ -0,0 +1,145 @@
+/********************************************************************************/
+/*										*/
+/*			    I/O Buffers		 				*/
+/*			     Written by Ken Goldman				*/
+/*		       IBM Thomas J. Watson Research Center			*/
+/*            $Id: IoBuffers.c 1311 2018-08-23 21:39:29Z kgoldman $		*/
+/*										*/
+/*  Licenses and Notices							*/
+/*										*/
+/*  1. Copyright Licenses:							*/
+/*										*/
+/*  - Trusted Computing Group (TCG) grants to the user of the source code in	*/
+/*    this specification (the "Source Code") a worldwide, irrevocable, 		*/
+/*    nonexclusive, royalty free, copyright license to reproduce, create 	*/
+/*    derivative works, distribute, display and perform the Source Code and	*/
+/*    derivative works thereof, and to grant others the rights granted herein.	*/
+/*										*/
+/*  - The TCG grants to the user of the other parts of the specification 	*/
+/*    (other than the Source Code) the rights to reproduce, distribute, 	*/
+/*    display, and perform the specification solely for the purpose of 		*/
+/*    developing products based on such documents.				*/
+/*										*/
+/*  2. Source Code Distribution Conditions:					*/
+/*										*/
+/*  - Redistributions of Source Code must retain the above copyright licenses, 	*/
+/*    this list of conditions and the following disclaimers.			*/
+/*										*/
+/*  - Redistributions in binary form must reproduce the above copyright 	*/
+/*    licenses, this list of conditions	and the following disclaimers in the 	*/
+/*    documentation and/or other materials provided with the distribution.	*/
+/*										*/
+/*  3. Disclaimers:								*/
+/*										*/
+/*  - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF	*/
+/*  LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH	*/
+/*  RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES)	*/
+/*  THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE.		*/
+/*  Contact TCG Administration (admin@trustedcomputinggroup.org) for 		*/
+/*  information on specification licensing rights available through TCG 	*/
+/*  membership agreements.							*/
+/*										*/
+/*  - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED 	*/
+/*    WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR 	*/
+/*    FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR 		*/
+/*    NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY 		*/
+/*    OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE.		*/
+/*										*/
+/*  - Without limitation, TCG and its members and licensors disclaim all 	*/
+/*    liability, including liability for infringement of any proprietary 	*/
+/*    rights, relating to use of information in this specification and to the	*/
+/*    implementation of this specification, and TCG disclaims all liability for	*/
+/*    cost of procurement of substitute goods or services, lost profits, loss 	*/
+/*    of use, loss of data or any incidental, consequential, direct, indirect, 	*/
+/*    or special damages, whether under contract, tort, warranty or otherwise, 	*/
+/*    arising in any way out of use or reliance upon this specification or any 	*/
+/*    information herein.							*/
+/*										*/
+/*  (c) Copyright IBM Corp. and others, 2016 - 2018				*/
+/*										*/
+/********************************************************************************/
+
+/* 9.7	IoBuffers.c */
+/* 9.7.1	Includes and Data Definitions */
+/* This definition allows this module to see the values that are private to this module but kept in
+   Global.c for ease of state migration. */
+#define IO_BUFFER_C
+#include "Tpm.h"
+#include "IoBuffers_fp.h"
+/* 9.7.2	Buffers and Functions */
+/* These buffers are set aside to hold command and response values. In this implementation, it is
+   not guaranteed that the code will stop accessing the s_actionInputBuffer before starting to put
+   values in the s_actionOutputBuffer so different buffers are required. */
+/*     9.7.2.1 MemoryIoBufferAllocationReset() */
+/*     This function is used to reset the allocation of buffers. */
+void
+MemoryIoBufferAllocationReset(
+			      void
+			      )
+{
+    s_actionIoAllocation = 0;
+}
+/* 9.7.2.2	MemoryIoBufferZero() */
+/* Function zeros the action I/O buffer at the end of a command. Calling this is not mandatory for
+   proper functionality. */
+void
+MemoryIoBufferZero(
+		   void
+		   )
+{
+    memset(s_actionIoBuffer, 0, s_actionIoAllocation);
+}
+/* 9.7.2.3	MemoryGetInBuffer() */
+/* This function returns the address of the buffer into which the command parameters will be
+   unmarshaled in preparation for calling the command actions. */
+BYTE *
+MemoryGetInBuffer(
+		  UINT32           size           // Size, in bytes, required for the input
+		  // unmarshaling
+		  )
+{
+    pAssert(size <= sizeof(s_actionIoBuffer));
+    // In this implementation, a static buffer is set aside for the command action
+    // buffers. The buffer is shared between input and output. This is because
+    // there is no need to allocate for the worst case input and worst case output
+    // at the same time.
+    // Round size up
+#define UoM  (sizeof(s_actionIoBuffer[0]))
+    size = (size + (UoM - 1)) & (UINT32_MAX - (UoM - 1));
+    memset(s_actionIoBuffer, 0, size);
+    s_actionIoAllocation = size;
+    return (BYTE *)&s_actionIoBuffer[0];
+}
+/* 9.7.2.4	MemoryGetOutBuffer() */
+/* This function returns the address of the buffer into which the command action code places its
+   output values. */
+BYTE *
+MemoryGetOutBuffer(
+		   UINT32           size           // required size of the buffer
+		   )
+{
+    BYTE        *retVal = (BYTE *)(&s_actionIoBuffer[s_actionIoAllocation / UoM]);
+    pAssert((size + s_actionIoAllocation) < (sizeof(s_actionIoBuffer)));
+    // In this implementation, a static buffer is set aside for the command action
+    // output buffer.
+    memset(retVal, 0, size);
+    s_actionIoAllocation += size;
+    return retVal;
+}
+/* 9.7.2.5	IsLabelProperlyFormatted() */
+/* This function checks that a label is a null-terminated string. */
+/* NOTE:	this function is here because there was no better place for it. */
+/* Return Value	Meaning */
+/* FALSE	string is not null terminated */
+/* TRUE	string is null terminated */
+
+BOOL
+IsLabelProperlyFormatted(
+			 TPM2B           *x
+			 )
+{
+    return (((x)->size == 0) || ((x)->buffer[(x)->size - 1] == 0));
+}
+
+
+