Added tpm2-parse-error script
Added tpm2-parse-error script to parse the give error code.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
diff --git a/tpm2-parse-error b/tpm2-parse-error
new file mode 100755
index 0000000..59b1564
--- /dev/null
+++ b/tpm2-parse-error
@@ -0,0 +1,19 @@
+#!/usr/bin/env python
+
+from argparse import ArgumentParser
+from argparse import FileType
+import os
+import sys
+import tpm2
+
+
+def main():
+ parser = ArgumentParser(description='Parse a TPM error code')
+ parser.add_argument('rc', type=(lambda x: int(x, 0)))
+ args = parser.parse_args()
+
+ pe = tpm2.ProtocolError(None, args.rc)
+ print str(pe)
+
+if __name__ == '__main__':
+ main()
diff --git a/tpm2.py b/tpm2.py
index e64c658..ced8b84 100644
--- a/tpm2.py
+++ b/tpm2.py
@@ -214,10 +214,9 @@
class ProtocolError(Exception):
- def __init__(self, cc, rc, rsp):
+ def __init__(self, cc, rc):
self.cc = cc
self.rc = rc
- self.rsp = rsp
if (rc & RC_FMT1) == RC_FMT1:
self.name = TPM2_FMT1_ERRORS.get(rc & 0x3f, "TPM_RC_UNKNOWN")
@@ -229,7 +228,10 @@
self.name = TPM2_VER0_ERRORS.get(rc & 0x7f, "TPM_RC_UNKNOWN")
def __str__(self):
- return '%s: cc=0x%08x, rc=0x%08x' % (self.name, self.cc, self.rc)
+ if self.cc:
+ return '%s: cc=0x%08x, rc=0x%08x' % (self.name, self.cc, self.rc)
+ else:
+ return '%s: rc=0x%08x' % (self.name, self.rc)
class AuthCommand(object):
@@ -431,7 +433,7 @@
rc = struct.unpack('>I', rsp[6:10])[0]
if rc != 0:
cc = struct.unpack('>I', cmd[6:10])[0]
- raise ProtocolError(cc, rc, rsp)
+ raise ProtocolError(cc, rc)
return rsp
