示例#1
0
static long getPhysicalCMDEnable(TPM_BOOL *physicalPresenceCMDEnable)
{
    uint32_t ret = 0;
    STACK_TPM_BUFFER( subcap );
    STACK_TPM_BUFFER( resp );
    STACK_TPM_BUFFER( tb );
    TPM_PERMANENT_FLAGS permanentFlags;
    
    if (ret == 0) {
	STORE32(subcap.buffer, 0, TPM_CAP_FLAG_PERMANENT  );
	subcap.used = 4;
	ret = TPM_GetCapability(TPM_CAP_FLAG,
				&subcap,
				&resp);
	if (ret != 0) {
	    printf("Error %s from TPM_GetCapability\n",
		   TPM_GetErrMsg(ret));
	}
    }
    if (ret == 0) {
	TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
	ret = TPM_ReadPermanentFlags(&tb, 0, &permanentFlags, resp.used);
	if ( ( ret & ERR_MASK ) != 0 || ret > resp.used) {
	    printf("TPM_ReadPermanentFlags: ret %08x, responselen %d\n", ret, resp.used);
	    printf("TPM_ReadPermanentFlags: Error parsing response!\n");
	}
	else {
	    ret = 0;
	}
    }
    if (ret == 0) {
	*physicalPresenceCMDEnable = permanentFlags.physicalPresenceCMDEnable;
    }
    return ret;
}
示例#2
0
int main(int argc, char *argv[])
{
    uint32_t ret;
    STACK_TPM_BUFFER(resp);
    int index = 0;
    STACK_TPM_BUFFER( subcap );;
	
    TPM_setlog(0);		/* turn off verbose output */

    ParseArgs(argc, argv);

    while ((int)matrx[index].cap != -1) {
	if (cap == matrx[index].cap) {
	    break;
	}
	index++;
    }
    if (-1 == (int)matrx[index].cap) {
	printf("Unknown or unsupported capability!\n");
	exit(-1);
    }
	
    subcap.used = 0;
    if (matrx[index].subcap_size > 0) {
	if ((int)scap == -1) {
	    printf("Need subcap parameter for this capability!\n");
	    exit(-1);
	}
	if (0 == prepare_subcap(cap, &subcap, scap)) {
	    if (2 == matrx[index].subcap_size) {
		STORE16(subcap.buffer,0,scap);
		subcap.used = 2;
	    } else
		if (matrx[index].subcap_size >= 4) {
		    STORE32(subcap.buffer,0,scap);
		    subcap.used  = 4;
		}
	}
    }
	
#if 0
    /* This was for VTPM extensions and needs retest */
    if (cap == TPM_CAP_MFR) {
	int idx2 = 0;
	while ((int)mfr_matrix[idx2].cap != -1) {
	    if (mfr_matrix[idx2].cap == scap) {
		break;
	    }
	    idx2++;
	}
	if (mfr_matrix[idx2].subcap_size > 0) {
	    uint32_t used = subcap.used +
			    mfr_matrix[idx2].subcap_size;
	    while (subcap.used < used) {
		if (argc <= nxtarg) {
		    printf("Need one more parameter for this "
			   "capability!\n");
		    exit(-1);
		}
		if (!strncmp("0x",argv[nxtarg],2)) {
		    sscanf(argv[nxtarg],"%x",&sscap);
		} else {
		    sscanf(argv[nxtarg],"%d",&sscap);
		}
		nxtarg++;
		if (2 == matrx[index].subcap_size) {
		    STORE16(subcap.buffer,
			    subcap.used,sscap);
		    subcap.used += 2;
		} else
		    if (matrx[index].subcap_size >= 4) {
			STORE32(subcap.buffer,
				subcap.used,sscap);
			subcap.used += 4;
		    }
	    }
	}
    }


#endif
    if (0 == sikeyhandle) {
	ret = TPM_GetCapability(cap,
				&subcap,
				&resp);

	if (0 != ret) {
	    printf("TPM_GetCapability returned %s.\n",
		   TPM_GetErrMsg(ret));
	    exit(ret);
	}
    } else {
	unsigned char antiReplay[TPM_HASH_SIZE];
	unsigned char signature[2048];
	uint32_t signaturelen = sizeof(signature);
	pubkeydata pubkey;
	RSA * rsa;
	unsigned char sighash[TPM_HASH_SIZE];
	unsigned char * buffer = NULL;
	unsigned char * sigkeyhashptr = NULL;
	unsigned char sigkeypasshash[TPM_HASH_SIZE];

	if (NULL != sikeypass) {
	    TSS_sha1(sikeypass,strlen(sikeypass),sigkeypasshash);
	    sigkeyhashptr = sigkeypasshash;
	}

	TSS_gennonce(antiReplay);
		
	ret = TPM_GetPubKey(sikeyhandle,
			    sigkeyhashptr,
			    &pubkey);

	if (0 != ret) {
	    printf("Error while trying to access the signing key's public key.\n");
	    exit(-1);
	}
		
	rsa = TSS_convpubkey(&pubkey);
		
	ret = TPM_GetCapabilitySigned(sikeyhandle,
				      sigkeyhashptr,
				      antiReplay,
				      cap,
				      &subcap,
				      &resp,
				      signature, &signaturelen);

	if (0 != ret) {
	    printf("TPM_GetCapabilitySigned returned %s.\n",
		   TPM_GetErrMsg(ret));
	    exit(ret);
	}

	buffer = malloc(resp.used+TPM_NONCE_SIZE);
	if (NULL == buffer) {
	    printf("Could not allocate buffer.\n");
	    exit(-1);
	}
	memcpy(&buffer[0], resp.buffer, resp.used);
	memcpy(&buffer[resp.used], antiReplay, TPM_NONCE_SIZE);

	TSS_sha1(buffer,
		 resp.used+TPM_NONCE_SIZE,
		 sighash);
	free(buffer);

	ret = RSA_verify(NID_sha1,
			 sighash,TPM_HASH_SIZE,
			 signature,signaturelen,
			 rsa);
	if (1 != ret) {
	    printf("Error: Signature verification failed.\n");
	    exit(-1);
	}
    }

    if (0 == resp.used) {
	printf("Empty response.\n");
    } else {

	if (-1 == (int)scap) {
	    printf("Result for capability 0x%x is : ",cap);
	} else {
	    printf("Result for capability 0x%x, subcapability 0x%x is : ",cap,scap);
	}
	if (TYPE_BOOL == matrx[index].result_size) {
	    if (resp.buffer[0] == 0) {
		printf("FALSE\n");
	    } else {
		printf("TRUE\n");
	    }
	} else
	    if (TYPE_UINT32 == matrx[index].result_size) {
		uint32_t rsp;
		rsp = LOAD32(resp.buffer,0);
		printf("0x%08X  = %d\n",rsp,rsp);
	    } else
		if (TYPE_UINT32_ARRAY == matrx[index].result_size) {
		    int i = 0;
		    printf("\n");
		    while (i+3 < (int)resp.used) {
			uint32_t rsp = LOAD32(resp.buffer,i);
			i+=4;
			if (TPM_CAP_NV_LIST == cap) {
			    /* don't zero extend, grep needs the exact value for test suite */
			    printf("%d. Index : %d = 0x%x.\n",
				   i/4,
				   rsp,
				   rsp);
			} else
			    if (TPM_CAP_KEY_HANDLE == cap) {
				printf("%d. keyhandle : %d.\n",
				       i/4,
				       rsp);
				} else {
				    printf("%d. item : %d.\n",
					   i/4,
					   rsp);
				}
		    }
		} else
		    if (TYPE_STRUCTURE == matrx[index].result_size) {
			switch(cap) {
			  case TPM_CAP_FLAG:
			      {
				  if (scap == TPM_CAP_FLAG_PERMANENT) {
				      TPM_PERMANENT_FLAGS pf;
				      STACK_TPM_BUFFER(tb)
					  TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
				      ret = TPM_ReadPermanentFlags(&tb, 0, &pf, resp.used);
				      if ( ( ret & ERR_MASK ) != 0 || ret > resp.used) {
					  printf("ret=%x, responselen=%d\n",ret,resp.used);
					  printf("Error parsing response!\n");
					  exit(-1);
				      }
						
				      printf("\n");
				      showPermanentFlags(&pf, resp.used);
				  } else 
				      if (scap == TPM_CAP_FLAG_VOLATILE) {
					  TPM_STCLEAR_FLAGS sf;
					  STACK_TPM_BUFFER(tb);
					  TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
					  ret = TPM_ReadSTClearFlags(&tb, 0, &sf);
					  if ( ( ret & ERR_MASK ) != 0 || ret > resp.used) {
					      printf("ret=%x, responselen=%d\n",ret,resp.used);
					      printf("Error parsing response!\n");
					      exit(-1);
					  }
						
					  printf("\n");
					  showVolatileFlags(&sf);
						
				      }
			      }
			      break;
				
			  case TPM_CAP_KEY_HANDLE:
			      {
				  uint16_t num = LOAD16(resp.buffer, 0);
				  uint32_t i = 0;
				  uint32_t handle;
				  printf("\n");
				  while (i < num) {
				      handle = LOAD32(resp.buffer,2+i*4);
				      printf("%d. handle: 0x%08X\n",
					     i,
					     handle);
				      i++;
				  }
			      }
			      break;
			  case TPM_CAP_NV_INDEX:
			      {
				  //char scratch_info[256];
				  unsigned char scratch_info[256];
				  uint32_t scratch_info_len;
				  TPM_NV_DATA_PUBLIC ndp;
				  uint32_t i, c;
				  STACK_TPM_BUFFER(tb)
				      TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
				  ret = TPM_ReadNVDataPublic(&tb,
							     0,
							     &ndp);
				  if ( ( ret & ERR_MASK) != 0) {
				      printf("Could not deserialize the TPM_NV_DATA_PUBLIC structure.\n");
				      exit(-1);
				  }
				  printf("permission.attributes : %08X\n",(unsigned int)ndp.permission.attributes);
				  printf("ReadSTClear           : %02X\n",ndp.bReadSTClear);
				  printf("WriteSTClear          : %02X\n",ndp.bWriteSTClear);
				  printf("WriteDefine           : %02X\n",ndp.bWriteDefine);
				  printf("dataSize              : %08X = %d",(unsigned int)ndp.dataSize,
					 (unsigned int)ndp.dataSize);

				  c = 0;
				  for (i = 0; i < ndp.pcrInfoRead.pcrSelection.sizeOfSelect*8; i++) {
				      if (ndp.pcrInfoRead.pcrSelection.pcrSelect[(i / 8)] & (1 << (i & 0x7))) {
					      if (!c)
						  printf("\nRead PCRs selected: ");
					      else
						  printf(", ");
					      printf("%d", i);
					      c++;

				      }
				  }

				  if (c) {
				      char pcrmap[4], *pf;

				      memcpy(pcrmap, ndp.pcrInfoRead.pcrSelection.pcrSelect,
					     ndp.pcrInfoRead.pcrSelection.sizeOfSelect);

				 //     printf("\npcrmap: %02x%02x%02x%02x\n", pcrmap[0], pcrmap[1],
				//	     pcrmap[2], pcrmap[3]);

				      ret = TSS_GenPCRInfo(*(uint32_t *)pcrmap,
							   scratch_info,
							   &scratch_info_len);

				      printf("\nRead PCR Composite: ");
				      for (i = 0; i < 20; i++)
					  printf("%02x", ndp.pcrInfoRead.digestAtRelease[i] & 0xff);
				      printf("\n");
#if 1
				      pf = &scratch_info[5];
				      printf("\nCurrent PCR composite: ");
				      for (i = 0; i < 20; i++)
					  //printf("%02x", scratch_info.digestAtRelease[i] & 0xff);
					  printf("%02x", pf[i] & 0xff);
				      printf("\n");
#endif
				      if (!ret) {
					      printf("Matches current TPM state: ");

					      if (!memcmp(&scratch_info[5],
							  &ndp.pcrInfoRead.digestAtRelease,
							  20)) {
						      printf("Yes\n");
					      } else {
						      printf("No\n");
					      }
				      }
				  }


				  c = 0;
				  for (i = 0; i < ndp.pcrInfoWrite.pcrSelection.sizeOfSelect*8; i++) {
				      if (ndp.pcrInfoWrite.pcrSelection.pcrSelect[(i / 8)] & (1 << (i & 0x7))) {
					      if (!c)
						  printf("\nWrite PCRs selected: ");
					      else
						  printf(", ");
					      printf("%d", i);
					      c++;

				      }
				  }

				  if (c) {
				      printf("\nWrite PCR Composite: ");
				      for (i = 0; i < 20; i++)
					  printf("%02x", ndp.pcrInfoWrite.digestAtRelease[i] & 0xff);
				      printf("\n");
				  }
			      }
			      break;
			  case TPM_CAP_HANDLE:
			      {
				  uint16_t num = LOAD16(resp.buffer, 0);
				  uint16_t x = 0;
				  while (x < num) {
				      uint32_t handle = LOAD32(resp.buffer,
							       sizeof(num)+4*x);
				      printf("%02d. 0x%08X\n",x,handle);
				      x++;
				  }
			      }
			      break;
			  case TPM_CAP_VERSION_VAL:
			      {
				  int i = 0;
				  TPM_CAP_VERSION_INFO cvi;
				  STACK_TPM_BUFFER(tb)
				      TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
				  ret = TPM_ReadCapVersionInfo(&tb,
							       0,
							       &cvi);
				  if ( ( ret & ERR_MASK) != 0) {
				      printf("Could not read the version info structure.\n");
				      exit(-1);
				  }
					
				  printf("\n");
				  printf("major      : 0x%02X\n",cvi.version.major);
				  printf("minor      : 0x%02X\n",cvi.version.minor);
				  printf("revMajor   : 0x%02X\n",cvi.version.revMajor);
				  printf("revMinor   : 0x%02X\n",cvi.version.revMinor);
				  printf("specLevel  : 0x%04X\n",cvi.specLevel);
				  printf("errataRev  : 0x%02X\n",cvi.errataRev);
	
				  printf("VendorID   : ");
				  while (i < 4) {
				      printf("%02X ",cvi.tpmVendorID[i]);
				      i++;
				  }
				  printf("\n");
				  /* Print vendor ID in text if printable */
				  for (i=0 ; i<4 ; i++) {
				      if (isprint(cvi.tpmVendorID[i])) {
					  if (i == 0) {
					      printf("VendorID   : ");
					  }
					  printf("%c", cvi.tpmVendorID[i]);
				      }
				      else {
					  break;
				      }
				  }	    
				  printf("\n");

				  printf("[not displaying vendor specific information]\n");
			      }
			      break;
#if 0	/* kgold: I don't think these are valid cap values */
			  case TPM_CAP_FLAG_PERMANENT:
			      {
				  TPM_PERMANENT_FLAGS pf;
				  STACK_TPM_BUFFER(tb)
				      TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);

				  if (resp.used == 21) {
				      ret = TPM_ReadPermanentFlagsPre103(&tb, 0, &pf);
				  } else {
				      ret = TPM_ReadPermanentFlags(&tb, 0, &pf);
				  }
				  if ( ( ret & ERR_MASK ) != 0 || ret > resp.used) {
				      printf("ret=%x, responselen=%d\n",ret,resp.used);
				      printf("Error parsing response!\n");
				      exit(-1);
				  }
						
				  printf("\n");
				  showPermanentFlags(&pf, resp.used);
			      }
			      break;
				
			  case TPM_CAP_FLAG_VOLATILE:
			      {
				  TPM_STCLEAR_FLAGS sf;
				  STACK_TPM_BUFFER(tb);
				  TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
				  ret = TPM_ReadSTClearFlags(&tb, 0, &sf);
				  if ( ( ret & ERR_MASK ) != 0 || ret > resp.used) {
				      printf("ret=%x, responselen=%d\n",ret,resp.used);
				      printf("Error parsing response!\n");
				      exit(-1);
				  }
						
				  printf("\n");
				  showVolatileFlags(&sf);
			      }
			      break;
#endif
			  case TPM_CAP_DA_LOGIC:
			      {
				  uint32_t ctr;
				  TPM_BOOL lim = FALSE;
				  TPM_DA_INFO dainfo;
				  TPM_DA_INFO_LIMITED dainfo_lim;
				  STACK_TPM_BUFFER(tb);
				  TSS_SetTPMBuffer(&tb, resp.buffer, resp.used);
				  ret = TPM_ReadDAInfo(&tb, 0, &dainfo);
				  if ( ( ret & ERR_MASK) != 0 || ret > resp.used) {
				      ret = TPM_ReadDAInfoLimited(&tb, 0, &dainfo_lim);
				      if ( (ret & ERR_MASK ) != 0 || ret > resp.used) {
					  printf("ret=%x, responselen=%d\n",ret,resp.used);
					  printf("Error parsing response!\n");
					  exit(-1);
				      } else {
					  lim = TRUE;
				      }
				  }
					
				  printf("\n");
				  if (lim) {
				      printf("State      : %d\n",dainfo_lim.state);
				      printf("Actions    : 0x%08x\n",dainfo_lim.actionAtThreshold.actions);
						
				      ctr = 0;
				      while (ctr < dainfo_lim.vendorData.size) {
					  printf("%02x ",(unsigned char)dainfo_lim.vendorData.buffer[ctr]);
					  ctr++;
				      }
				  } else {
				      printf("State              : %d\n",dainfo.state);
				      printf("currentCount       : %d\n",dainfo.currentCount);
				      printf("thresholdCount     : %d\n",dainfo.thresholdCount);
				      printf("Actions            : 0x%08x\n",dainfo.actionAtThreshold.actions);
				      printf("actionDependValue  : %d\n",dainfo.actionDependValue);
						
#if 0
				      ctr = 0;
				      while (ctr < dainfo_lim.vendorData.size) {
					  printf("%02x ",(unsigned char)dainfo_lim.vendorData.buffer[ctr]);
					  ctr++;
				      }
#endif
				  }
			      }
			      break;
			}
		    } else
			if (TYPE_VARIOUS == matrx[index].result_size) {
			    switch(cap) {
			
			      case TPM_CAP_MFR:
				switch (scap) {
				  case TPM_CAP_PROCESS_ID:
				      {
					  uint32_t rsp;
					  rsp = LOAD32(resp.buffer,0);
					  printf("%d\n",rsp);
				      }
				      break;
				}
				break; /* TPM_CAP_MFR */
			
			      default:
				/* Show booleans */
				if (scap == TPM_CAP_PROP_OWNER ||
				    scap == TPM_CAP_PROP_DAA_INTERRUPT
				    ) {
				    if (0 == resp.buffer[0]) {
					printf("FALSE\n");
				    } else {
					printf("TRUE\n");
				    }
				} else /* check for array of 4 UINTs */
				    if (scap == TPM_CAP_PROP_TIS_TIMEOUT /* ||
									    scap == TPM_CAP_PROP_TIMEOUTS      */) {
					int i = 0;
					while (i < 4) {
					    uint32_t val = LOAD32(resp.buffer,i * 4);
					    printf("%d ",
						   val);
					    i++;
					}
					printf("\n");
				    } else /* check for TPM_STARTUP_EFFECTS */
					if (scap == TPM_CAP_PROP_STARTUP_EFFECT) {
					    TPM_STARTUP_EFFECTS se = 0;
					    ret = TPM_ReadStartupEffects(resp.buffer, 
									 &se);
					    if ( ( ret & ERR_MASK ) != 0 ) {
						printf("Could not read startup effects structure.\n");
						exit(-1);
					    }
					    printf("0x%08X=%d\n",
						   (unsigned int)se,
						   (unsigned int)se);
					    printf("\n");
					    printf("Startup effects:\n");
					    printf("Effect on audit digest: %s\n", (se & (1 << 7)) 
						   ? "none"
						   : "active");
					    printf("Audit Digest on TPM_Startup(ST_CLEAR): %s\n", ( se & (1 << 6)) 
						   ? "set to NULL" 
						   : "not set to NULL" );
		
					    printf("Audit Digest on TPM_Startup(any)     : %s\n", ( se & (1 << 5))
						   ? "set to NULL"
						   : "not set to NULL" );
					    printf("TPM_RT_KEY resource initialized on TPM_Startup(ST_ANY)     : %s\n", (se & ( 1 << 4))
						   ? "yes"
						   : "no");
					    printf("TPM_RT_AUTH resource initialized on TPM_Startup(ST_STATE)  : %s\n", (se & ( 1 << 3))
						   ? "yes"
						   : "no");
					    printf("TPM_RT_HASH resource initialized on TPM_Startup(ST_STATE)  : %s\n", (se & ( 1 << 2))
						   ? "yes"
						   : "no");
					    printf("TPM_RT_TRANS resource initialized on TPM_Startup(ST_STATE) : %s\n", (se & ( 1 << 1))
						   ? "yes"
						   : "no");
					    printf("TPM_RT_CONTEXT session initialized on TPM_Startup(ST_STATE): %s\n", (se & ( 1 << 0))
						   ? "yes"
						   : "no");
					} else /* check for  array of 3 UINTs */
					    if (scap == TPM_CAP_PROP_DURATION) {
						int i = 0;
						while (i < 4*3) {
						    uint32_t val = LOAD32(resp.buffer,i);
						    printf("%d ",
							   val);
						    i+= 4;
						}
						printf("\n");
					    } else /* check for TPM_COUNT_ID */
						if (scap == TPM_CAP_PROP_ACTIVE_COUNTER) {
						    uint32_t val = LOAD32(resp.buffer,0);
						    printf("0x%08X=%d",val,val);
						    if (0xffffffff == val) {
							printf(" (no counter is active)");
						    }
						    printf("\n");
						} else { /* just a single UINT32 */
						    printf("%ld=0x%08lX.\n",
							   (long)LOAD32(resp.buffer, 0),
							   (long)LOAD32(resp.buffer, 0));
						}
			    }
			}
    }		
	
    printf("\n");
    exit(0);
}