tests/_test_tpm2_probe

   1 #!/bin/bash
   2
   3 # For the license, see the LICENSE file in the root directory.
   4 #set -x
   5
   6 ROOT=${abs_top_builddir:-$(pwd)/..}
   7 TESTDIR=${abs_top_testdir:-$(dirname "$0")}
   8
   9 VTPM_NAME="vtpm-test-tpm2-probe"
  10 SWTPM_DEV_NAME="/dev/${VTPM_NAME}"
  11 export TPM_PATH=$(mktemp -d)
  12 STATE_FILE=$TPM_PATH/tpm2-00.permall
  13 VOLATILE_STATE_FILE=$TPM_PATH/tpm2-00.volatilestate
  14 SWTPM_INTERFACE=${SWTPM_INTERFACE:-cuse}
  15 SWTPM_CMD_UNIX_PATH=${TPM_PATH}/unix-cmd.sock
  16 SWTPM_CTRL_UNIX_PATH=${TPM_PATH}/unix-ctrl.sock
  17
  18 function cleanup()
  19 {
  20         pid=${SWTPM_PID}
  21         if [ -n "$pid" ]; then
  22                 kill -9 $pid
  23         fi
  24         rm -rf $TPM_PATH
  25 }
  26
  27 trap "cleanup" EXIT
  28
  29 [ "${SWTPM_INTERFACE}" == "cuse" ] && source ${TESTDIR}/test_cuse
  30 source ${TESTDIR}/common
  31
  32 rm -f $STATE_FILE $VOLATILE_STATE_FILE 2>/dev/null
  33
  34 run_swtpm ${SWTPM_INTERFACE} --tpm2
  35
  36 ps aux | grep $SWTPM | grep -v grep
  37
  38 kill -0 ${SWTPM_PID}
  39 if [ $? -ne 0 ]; then
  40         echo "Error: ${SWTPM_INTERFACE} TPM did not start."
  41         exit 1
  42 fi
  43
  44 if [ "${SWTPM_INTERFACE}" != "cuse" ]; then
  45         run_swtpm_ioctl ${SWTPM_INTERFACE} --stop
  46         if [ $? -ne 0 ]; then
  47                 echo "Error: Could not stop the ${SWTPM_INTERFACE} TPM"
  48                 exit 1
  49         fi
  50 fi
  51
  52 # Open access to the TPM
  53 swtpm_open_cmddev ${SWTPM_INTERFACE} 100
  54
  55 # Before TPM_INIT: Read PCR 17 -- this gives a fatal error
  56 #                                                     length         CC            count       hashalg         sz
  57 RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b\x03\x00\x00\x02')
  58 exp=' 80 01 00 00 00 0a 00 00 01 01'
  59 if [ "$RES" != "$exp" ]; then
  60         echo "Error: Before TPM_INIT: Did not get expected result from TPM_PCRRead(17)"
  61         echo "expected: $exp"
  62         echo "received: $RES"
  63         exit 1
  64 fi
  65
  66 # Init the TPM
  67 run_swtpm_ioctl ${SWTPM_INTERFACE} -i
  68 if [ $? -ne 0 ]; then
  69         echo "Error: Could not initialize the ${SWTPM_INTERFACE} TPM."
  70         exit 1
  71 fi
  72
  73 # Read PCR 17 -- this should give TPM_INVALID_POSTINIT
  74 swtpm_open_cmddev ${SWTPM_INTERFACE} 100
  75 RES=$(swtpm_cmd_tx ${SWTPM_INTERFACE} '\x80\x01\x00\x00\x00\x14\x00\x00\x01\x7e\x00\x00\x00\x01\x00\x0b\x03\x00\x00\x02')
  76 exp=' 80 01 00 00 00 0a 00 00 01 00'
  77 if [ "$RES" != "$exp" ]; then
  78         echo "Error: Did not get expected result from TPM_PCRRead(17)"
  79         echo "expected: $exp"
  80         echo "received: $RES"
  81         exit 1
  82 fi
  83
  84 echo "OK"
  85
  86 exit 0