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#!/usr/bin/env python
#
# Unix SMB/CIFS implementation.
#
# HRESULT Error definitions
#
# Copyright (C) Noel Power <noel.power@suse.com> 2014
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
import sys, os.path, io, string
from gen_error_common import parseErrorDescriptions, ErrorDef
def generateHeaderFile(out_file, errors):
out_file.write("/*\n")
out_file.write(" * Descriptions for errors generated from\n")
out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
out_file.write(" */\n\n")
out_file.write("#ifndef _NTSTATUS_GEN_H\n")
out_file.write("#define _NTSTATUS_GEN_H\n")
for err in errors:
line = "#define %s NT_STATUS(%s)\n" % (err.err_define, hex(err.err_code))
out_file.write(line)
out_file.write("\n#endif /* _NTSTATUS_GEN_H */\n")
def generateSourceFile(out_file, errors):
out_file.write("/*\n")
out_file.write(" * Names for errors generated from\n")
out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
out_file.write(" */\n")
out_file.write("static const nt_err_code_struct nt_errs[] = \n")
out_file.write("{\n")
for err in errors:
out_file.write("\t{ \"%s\", %s },\n" % (err.err_define, err.err_define))
out_file.write("{ 0, NT_STATUS(0) }\n")
out_file.write("};\n")
out_file.write("\n/*\n")
out_file.write(" * Descriptions for errors generated from\n")
out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
out_file.write(" */\n")
out_file.write("static const nt_err_code_struct nt_err_desc[] = \n")
out_file.write("{\n")
for err in errors:
# Account for the possibility that some errors may not have descriptions
if err.err_string == "":
continue
out_file.write("\t{ N_(\"%s\"), %s },\n"%(err.err_string, err.err_define))
out_file.write("{ 0, NT_STATUS(0) }\n")
out_file.write("};")
def generatePythonFile(out_file, errors):
out_file.write("/*\n")
out_file.write(" * New descriptions for existing errors generated from\n")
out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
out_file.write(" */\n")
out_file.write("#include <Python.h>\n")
out_file.write("#include \"python/py3compat.h\"\n")
out_file.write("#include \"includes.h\"\n\n")
out_file.write("static inline PyObject *ndr_PyLong_FromUnsignedLongLong(unsigned long long v)\n");
out_file.write("{\n");
out_file.write("\tif (v > LONG_MAX) {\n");
out_file.write("\t\treturn PyLong_FromUnsignedLongLong(v);\n");
out_file.write("\t} else {\n");
out_file.write("\t\treturn PyInt_FromLong(v);\n");
out_file.write("\t}\n");
out_file.write("}\n\n");
# This is needed to avoid a missing prototype error from the C
# compiler. There is never a prototype for this function, it is a
# module loaded by python with dlopen() and found with dlsym().
out_file.write("static struct PyModuleDef moduledef = {\n")
out_file.write("\tPyModuleDef_HEAD_INIT,\n")
out_file.write("\t.m_name = \"ntstatus\",\n")
out_file.write("\t.m_doc = \"NTSTATUS error defines\",\n")
out_file.write("\t.m_size = -1,\n")
out_file.write("};\n\n")
out_file.write("MODULE_INIT_FUNC(ntstatus)\n")
out_file.write("{\n")
out_file.write("\tPyObject *m;\n\n")
out_file.write("\tm = PyModule_Create(&moduledef);\n");
out_file.write("\tif (m == NULL)\n");
out_file.write("\t\treturn NULL;\n\n");
for err in errors:
line = """\tPyModule_AddObject(m, \"%s\",
\t\tndr_PyLong_FromUnsignedLongLong(NT_STATUS_V(%s)));\n""" % (err.err_define, err.err_define)
out_file.write(line)
out_file.write("\n");
out_file.write("\treturn m;\n");
out_file.write("}\n");
def transformErrorName( error_name ):
if error_name.startswith("STATUS_"):
error_name = error_name.replace("STATUS_", "", 1)
elif error_name.startswith("RPC_NT_"):
error_name = error_name.replace("RPC_NT_", "RPC_", 1)
elif error_name.startswith("EPT_NT_"):
error_name = error_name.replace("EPT_NT_", "EPT_", 1)
return "NT_STATUS_" + error_name
# Very simple script to generate files nterr_gen.c & ntstatus_gen.h.
# These files contain generated definitions.
# This script takes four inputs:
# [1]: The name of the text file which is the content of an HTML table
# (e.g. the one found at http://msdn.microsoft.com/en-us/library/cc231200.aspx)
# copied and pasted.
# [2]: The name of the output generated header file with NTStatus #defines
# [3]: The name of the output generated source file with C arrays
# [4]: The name of the output generated python file
def main ():
input_file = None;
if len(sys.argv) == 5:
input_file = sys.argv[1]
gen_headerfile_name = sys.argv[2]
gen_sourcefile_name = sys.argv[3]
gen_pythonfile_name = sys.argv[4]
else:
print("usage: %s winerrorfile headerfile sourcefile pythonfile" % (sys.argv[0]))
sys.exit()
# read in the data
file_contents = open(input_file, "r")
errors = parseErrorDescriptions(file_contents, False, transformErrorName)
print("writing new header file: %s" % gen_headerfile_name)
out_file = open(gen_headerfile_name, "w")
generateHeaderFile(out_file, errors)
out_file.close()
print("writing new source file: %s" % gen_sourcefile_name)
out_file = open(gen_sourcefile_name, "w")
generateSourceFile(out_file, errors)
out_file.close()
print("writing new python file: %s" % gen_pythonfile_name)
out_file = open(gen_pythonfile_name, "w")
generatePythonFile(out_file, errors)
out_file.close()
if __name__ == '__main__':
main()
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