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#include <stdlib.h> 12#include <stdio.h> 13#include <syslog.h> 14#include <string.h> 15#include <netdb.h> 16 17#include "trousers/tss.h" 18#include "trousers_types.h" 19#include "tcs_tsp.h" 20#include "tcs_utils.h" 21#include "tcs_int_literals.h" 22#include "capabilities.h" 23#include "tcslog.h" 24#include "tcsd_wrap.h" 25#include "tcsd.h" 26#include "tcs_utils.h" 27#include "rpc_tcstp_tcs.h" 28 29 30TSS_RESULT 31tcs_wrap_GetRandom(struct tcsd_thread_data *data) 32{ 33 TCS_CONTEXT_HANDLE hContext; 34 UINT32 bytesRequested; 35 BYTE *randomBytes = NULL; 36 TSS_RESULT result; 37 38 if (getData(TCSD_PACKET_TYPE_UINT32, 0, &hContext, 0, &data->comm)) 39 return TCSERR(TSS_E_INTERNAL_ERROR); 40 41 if ((result = ctx_verify_context(hContext))) 42 goto done; 43 44 LogDebugFn("thread %ld context %x", THREAD_ID, hContext); 45 46 if (getData(TCSD_PACKET_TYPE_UINT32, 1, &bytesRequested, 0, &data->comm)) 47 return TCSERR(TSS_E_INTERNAL_ERROR); 48 49 MUTEX_LOCK(tcsp_lock); 50 51 result = TCSP_GetRandom_Internal(hContext, &bytesRequested, &randomBytes); 52 53 MUTEX_UNLOCK(tcsp_lock); 54 55 if (result == TSS_SUCCESS) { 56 initData(&data->comm, 2); 57 if (setData(TCSD_PACKET_TYPE_UINT32, 0, &bytesRequested, 0, &data->comm)) { 58 free(randomBytes); 59 return TCSERR(TSS_E_INTERNAL_ERROR); 60 } 61 if (setData(TCSD_PACKET_TYPE_PBYTE, 1, randomBytes, bytesRequested, &data->comm)) { 62 free(randomBytes); 63 return TCSERR(TSS_E_INTERNAL_ERROR); 64 } 65 free(randomBytes); 66 } else 67done: initData(&data->comm, 0); 68 69 data->comm.hdr.u.result = result; 70 return TSS_SUCCESS; 71} 72 73TSS_RESULT 74tcs_wrap_StirRandom(struct tcsd_thread_data *data) 75{ 76 TCS_CONTEXT_HANDLE hContext; 77 UINT32 inDataSize; 78 BYTE *inData; 79 TSS_RESULT result; 80 81 if (getData(TCSD_PACKET_TYPE_UINT32, 0, &hContext, 0, &data->comm)) 82 return TCSERR(TSS_E_INTERNAL_ERROR); 83 84 if ((result = ctx_verify_context(hContext))) 85 goto done; 86 87 LogDebugFn("thread %ld context %x", THREAD_ID, hContext); 88 89 if (getData(TCSD_PACKET_TYPE_UINT32, 1, &inDataSize, 0, &data->comm)) 90 return TCSERR(TSS_E_INTERNAL_ERROR); 91 92 inData = calloc(1, inDataSize); 93 if (inData == NULL) { 94 LogError("malloc of %d bytes failed.", inDataSize); 95 return TCSERR(TSS_E_OUTOFMEMORY); 96 } 97 if (getData(TCSD_PACKET_TYPE_PBYTE, 2, inData, inDataSize, &data->comm)) { 98 free(inData); 99 return TCSERR(TSS_E_INTERNAL_ERROR); 100 } 101 102 MUTEX_LOCK(tcsp_lock); 103 104 result = TCSP_StirRandom_Internal(hContext, inDataSize, inData); 105 106 MUTEX_UNLOCK(tcsp_lock); 107 free(inData); 108done: 109 initData(&data->comm, 0); 110 data->comm.hdr.u.result = result; 111 112 return TSS_SUCCESS; 113} 114