def create_unmarshal_code(self, mrshl_type, rows, tpm_alg_ids, function_prototypes_with_flag):
cases_list = []
alg_list = []
algs_string = ""
for row in rows:
parameter = row[0]
tpm_type = row[1].replace("+", "").upper()
selector = row[2]
if selector is None:
selector = ""
if "null" in parameter:
cases_list.append(row)
continue
result = re.search("TPM_ALG_", selector)
if result is not None:
if selector.endswith("!ALG"): # fix for 2:144
selector = "TPM_ALG_" + parameter
if "!ALG" in selector:
alg_list += utils.expand_alg_macro(selector, tpm_alg_ids)
else:
alg_list += [tpm2_part2_structures_alg_ids.AlgorithmID(selector.upper(), "", "", "")]
for alg in alg_list:
full_alg_name = alg.name
alg_name = utils.extract_alg_name(full_alg_name)
algs_string += "#ifdef " + full_alg_name + "\n"
algs_string += " case " + full_alg_name + ":\n"
if "TPM2B_" in tpm_type:
alg_key = selector.replace("TPM_ALG_", "").upper()
tpm_type_final = tpm_type.replace(alg_key, alg_name.upper())
algs_string += MarshalTemplates.return_type_unmarshal.safe_substitute(
TO_TYPE=tpm_type_final, MEMBER=parameter, TO_MEMBER=""
)
elif "TPMI_" in tpm_type or "TPMS_" in tpm_type or "TPMT_" in tpm_type:
alg_key = selector.replace("TPM_ALG_", "").upper()
tpm_type_final = tpm_type.replace(alg_key, alg_name.upper())
# in table 144 the part that needs to be removed differs from alg_key
if re.search("!ALG", tpm_type_final):
tpm_type_final = tpm_type_final.replace("!ALG", alg_name.upper())
if "!ALG" in parameter:
parameter_final = alg_name.lower()
else:
parameter_final = parameter
to_member = ""
if tpm_type_final in function_prototypes_with_flag.keys():
to_member = ", 0"
algs_string += MarshalTemplates.return_type_unmarshal.safe_substitute(
TO_TYPE=tpm_type_final, MEMBER=parameter_final, TO_MEMBER=to_member
)
else:
if len(tpm_type) == 0:
algs_string += " " + MarshalTemplates.RETURN_SUCCESS + "\n"
else:
algs_string += MarshalTemplates.return_array_unmarshal.safe_substitute(
TO_TYPE=tpm_type,
MEMBER=alg_name.lower(),
TO_MEMBER=", (INT32)" + alg_name.upper() + "_DIGEST_SIZE",
)
algs_string += "#endif // " + full_alg_name + "\n"
# end of loop - for alg in alg_list:
alg_list = []
continue
if len(selector) > 0:
cases_list.append(row)
# end of loop - for row in rows:
# CASES
cases_string = ""
for case in cases_list:
cases_string += " case " + case[2] + ":\n"
cases_string += " " + MarshalTemplates.RETURN_SUCCESS + "\n"
cases_string = cases_string[:-1]
code = MarshalTemplates.TYPE_Unmarshal_union.safe_substitute(
TYPE=mrshl_type, CASES=cases_string, ALGS=algs_string
)
return code
def __init__(self, name, value, alg_type, dependence):
self.name = name
self.short_name = utils.extract_alg_name(name)
self.value = value
self.type = alg_type
self.dependence = dependence
def create_unmarshal_code(self, mrshl_type, rows, tpm_alg_ids,
function_prototypes_with_flag):
cases_list = []
alg_list = []
algs_string = ""
for row in rows:
parameter = row[0]
tpm_type = row[1].replace("+", "").upper()
selector = row[2]
if selector is None:
selector = ""
if "null" in parameter:
cases_list.append(row)
continue
result = re.search('TPM_ALG_', selector)
if result is not None:
if selector.endswith("!ALG"): # fix for 2:144
selector = "TPM_ALG_" + parameter
if "!ALG" in selector:
alg_list += utils.expand_alg_macro(selector, tpm_alg_ids)
else:
alg_list += [
tpm2_part2_structures_alg_ids.AlgorithmID(
selector.upper(), "", "", "")
]
for alg in alg_list:
full_alg_name = alg.name
alg_name = utils.extract_alg_name(full_alg_name)
algs_string += "#ifdef " + full_alg_name + "\n"
algs_string += " case " + full_alg_name + ":\n"
if "TPM2B_" in tpm_type:
alg_key = selector.replace("TPM_ALG_", "").upper()
tpm_type_final = tpm_type.replace(
alg_key, alg_name.upper())
algs_string += MarshalTemplates.return_type_unmarshal.safe_substitute(
TO_TYPE=tpm_type_final,
MEMBER=parameter,
TO_MEMBER="")
elif "TPMI_" in tpm_type or "TPMS_" in tpm_type or "TPMT_" in tpm_type:
alg_key = selector.replace("TPM_ALG_", "").upper()
tpm_type_final = tpm_type.replace(
alg_key, alg_name.upper())
# in table 144 the part that needs to be removed differs from alg_key
if re.search('!ALG', tpm_type_final):
tpm_type_final = tpm_type_final.replace(
'!ALG', alg_name.upper())
if "!ALG" in parameter:
parameter_final = alg_name.lower()
else:
parameter_final = parameter
to_member = ""
if tpm_type_final in function_prototypes_with_flag.keys(
):
to_member = ", 0"
algs_string += MarshalTemplates.return_type_unmarshal.safe_substitute(
TO_TYPE=tpm_type_final,
MEMBER=parameter_final,
TO_MEMBER=to_member)
else:
if len(tpm_type) == 0:
algs_string += " " + MarshalTemplates.RETURN_SUCCESS + "\n"
else:
algs_string += MarshalTemplates.return_array_unmarshal.safe_substitute(
TO_TYPE=tpm_type,
MEMBER=alg_name.lower(),
TO_MEMBER=", (INT32)" + alg_name.upper() +
"_DIGEST_SIZE")
algs_string += "#endif // " + full_alg_name + "\n"
# end of loop - for alg in alg_list:
alg_list = []
continue
if len(selector) > 0:
cases_list.append(row)
# end of loop - for row in rows:
# CASES
cases_string = ""
for case in cases_list:
cases_string += " case " + case[2] + ":\n"
cases_string += " " + MarshalTemplates.RETURN_SUCCESS + "\n"
cases_string = cases_string[:-1]
code = MarshalTemplates.TYPE_Unmarshal_union.safe_substitute(
TYPE=mrshl_type, CASES=cases_string, ALGS=algs_string)
return code
