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_Sign(struct tcsd_thread_data *data) 32{ 33 TCS_CONTEXT_HANDLE hContext; 34 TCS_KEY_HANDLE hKey; 35 UINT32 areaToSignSize; 36 BYTE *areaToSign; 37 38 TPM_AUTH auth; 39 TPM_AUTH *pAuth; 40 41 UINT32 sigSize; 42 BYTE *sig; 43 TSS_RESULT result; 44 45 int i; 46 47 if (getData(TCSD_PACKET_TYPE_UINT32, 0, &hContext, 0, &data->comm)) 48 return TCSERR(TSS_E_INTERNAL_ERROR); 49 50 if ((result = ctx_verify_context(hContext))) 51 goto done; 52 53 LogDebugFn("thread %ld context %x", THREAD_ID, hContext); 54 55 if (getData(TCSD_PACKET_TYPE_UINT32, 1, &hKey, 0, &data->comm)) 56 return TCSERR(TSS_E_INTERNAL_ERROR); 57 if (getData(TCSD_PACKET_TYPE_UINT32, 2, &areaToSignSize, 0, &data->comm)) 58 return TCSERR(TSS_E_INTERNAL_ERROR); 59 60 areaToSign = calloc(1, areaToSignSize); 61 if (areaToSign == NULL) { 62 LogError("malloc of %d bytes failed.", areaToSignSize); 63 return TCSERR(TSS_E_OUTOFMEMORY); 64 } 65 if (getData(TCSD_PACKET_TYPE_PBYTE, 3, areaToSign, areaToSignSize, &data->comm)) { 66 free(areaToSign); 67 return TCSERR(TSS_E_INTERNAL_ERROR); 68 } 69 result = getData(TCSD_PACKET_TYPE_AUTH, 4, &auth, 0, &data->comm); 70 if (result == TSS_TCP_RPC_BAD_PACKET_TYPE) 71 pAuth = NULL; 72 else if (result) { 73 free(areaToSign); 74 return result; 75 } else 76 pAuth = &auth; 77 78 MUTEX_LOCK(tcsp_lock); 79 80 result = TCSP_Sign_Internal(hContext, hKey, areaToSignSize, areaToSign, pAuth, &sigSize, 81 &sig); 82 83 MUTEX_UNLOCK(tcsp_lock); 84 free(areaToSign); 85 86 if (result == TSS_SUCCESS) { 87 i = 0; 88 initData(&data->comm, 3); 89 if (pAuth != NULL) { 90 if (setData(TCSD_PACKET_TYPE_AUTH, i++, &auth, 0, &data->comm)) { 91 free(sig); 92 return TCSERR(TSS_E_INTERNAL_ERROR); 93 } 94 } 95 if (setData(TCSD_PACKET_TYPE_UINT32, i++, &sigSize, 0, &data->comm)) { 96 free(sig); 97 return TCSERR(TSS_E_INTERNAL_ERROR); 98 } 99 if (setData(TCSD_PACKET_TYPE_PBYTE, i++, sig, sigSize, &data->comm)) { 100 free(sig); 101 return TCSERR(TSS_E_INTERNAL_ERROR); 102 } 103 free(sig); 104 } else 105done: initData(&data->comm, 0); 106 107 data->comm.hdr.u.result = result; 108 return TSS_SUCCESS; 109} 110