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      1 
      2 /*
      3  * Licensed Materials - Property of IBM
      4  *
      5  * trousers - An open source TCG Software Stack
      6  *
      7  * (C) Copyright International Business Machines Corp. 2004-2006
      8  *
      9  */
     10 
     11 
     12 #include <stdlib.h>
     13 #include <stdio.h>
     14 #include <string.h>
     15 #include <inttypes.h>
     16 
     17 #include "trousers/tss.h"
     18 #include "trousers_types.h"
     19 #include "tcs_tsp.h"
     20 #include "tcsps.h"
     21 #include "tcs_utils.h"
     22 #include "tcs_int_literals.h"
     23 #include "capabilities.h"
     24 #include "tcslog.h"
     25 #include "req_mgr.h"
     26 #include "tcsd_wrap.h"
     27 #include "tcsd.h"
     28 
     29 
     30 TSS_RESULT
     31 TCSP_UnBind_Internal(TCS_CONTEXT_HANDLE hContext,	/* in */
     32 		     TCS_KEY_HANDLE keyHandle,	/* in */
     33 		     UINT32 inDataSize,	/* in */
     34 		     BYTE * inData,	/* in */
     35 		     TPM_AUTH * privAuth,	/* in, out */
     36 		     UINT32 * outDataSize,	/* out */
     37 		     BYTE ** outData)	/* out */
     38 {
     39 	UINT32 paramSize;
     40 	TSS_RESULT result;
     41 	UINT64 offset = 0;
     42 	TCPA_KEY_HANDLE keySlot;
     43 	BYTE txBlob[TSS_TPM_TXBLOB_SIZE];
     44 
     45 	LogDebug("Entering TCSI_UnBind");
     46 	if ((result = ctx_verify_context(hContext)))
     47 		goto done;
     48 
     49 	if (privAuth != NULL) {
     50 		LogDebug("Auth Used");
     51 		if ((result = auth_mgr_check(hContext, &privAuth->AuthHandle)))
     52 			goto done;
     53 	} else {
     54 		LogDebug("No Auth");
     55 	}
     56 
     57 	LogDebugFn("calling ensureKeyIsLoaded for TCS handle 0x%x", keyHandle);
     58 	if ((result = ensureKeyIsLoaded(hContext, keyHandle, &keySlot)))
     59 		goto done;
     60 
     61 	if ((result = tpm_rqu_build(TPM_ORD_UnBind, &offset, txBlob, keySlot, inDataSize, inData,
     62 				    privAuth, NULL)))
     63 		return result;
     64 
     65 	if ((result = req_mgr_submit_req(txBlob)))
     66 		goto done;
     67 
     68 	result = UnloadBlob_Header(txBlob, &paramSize);
     69 	if (!result) {
     70 		result = tpm_rsp_parse(TPM_ORD_UnBind, txBlob, paramSize, outDataSize, outData,
     71 				       privAuth, NULL);
     72 	}
     73 
     74 done:
     75 	auth_mgr_release_auth(privAuth, NULL, hContext);
     76 	return result;
     77 }
     78 
     79