blob: 9e3bbf89317a5db806824930d1aed87bbbb7e2eb [file] [log] [blame]
#!/usr/bin/env python
from argparse import ArgumentParser
from argparse import FileType
import os
import sys
import tpm2
def main():
parser = ArgumentParser(description='Flush a volatile contetxt')
parser.add_argument('--debug',
action='store_true',
help = 'dump TPM commands and replies')
parser.add_argument('--all-transient',
action='store_true',
help = 'flush all transient handles')
parser.add_argument('handles', metavar='H', type = (lambda x: int(x, 0)),
nargs='*', help = 'a TPM resource handle')
args = parser.parse_args()
flags = 0
if args.debug:
flags |= tpm2.Client.FLAG_DEBUG
client = tpm2.Client(flags)
if args.all_transient:
handles = client.get_cap(tpm2.TPM2_CAP_HANDLES, tpm2.HR_TRANSIENT)
else:
handles = args.handles
try:
for h in handles:
client.flush_context(h)
except tpm2.ProtocolError, e:
sys.stderr.write(str(e) + os.linesep)
sys.exit(1)
if __name__ == '__main__':
main()