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#!/usr/bin/env python3
#
# Unix SMB/CIFS implementation.
#
# WERROR error definition generation
#
# Copyright (C) Catalyst.Net Ltd. 2017
#
# 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/>.
#
from __future__ import unicode_literals
# this file is a bin script and was not imported by any other modules
# so it should be fine to enable unicode string for python2
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] https://msdn.microsoft.com/en-us/library/cc231199.aspx\n")
out_file.write(" */\n\n")
out_file.write("#ifndef _WERR_GEN_H\n")
out_file.write("#define _WERR_GEN_H\n")
for err in errors:
line = "#define %s W_ERROR(%s)\n" % (err.err_define, hex(err.err_code))
out_file.write(line)
out_file.write("\n#endif /* _WERR_GEN_H */\n")
def generateSourceFile(out_file, errors):
out_file.write("#include \"werror.h\"\n")
out_file.write("/*\n")
out_file.write(" * Names for errors generated from\n")
out_file.write(" * [MS-ERREF] https://msdn.microsoft.com/en-us/library/cc231199.aspx\n")
out_file.write(" */\n")
out_file.write("static const struct werror_code_struct dos_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, W_ERROR(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] https://msdn.microsoft.com/en-us/library/cc231199.aspx\n")
out_file.write(" */\n")
out_file.write("static const struct werror_str_struct dos_err_strs[] = \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{ %s, \"%s\" },\n"%(err.err_define, err.err_string))
out_file.write("\t{ W_ERROR(0), 0 }\n")
out_file.write("};")
def generatePythonFile(out_file, errors):
out_file.write("/*\n")
out_file.write(" * Errors generated from\n")
out_file.write(" * [MS-ERREF] https://msdn.microsoft.com/en-us/library/cc231199.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")
# 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 = \"werror\",\n")
out_file.write("\t.m_doc = \"WERROR defines\",\n")
out_file.write("\t.m_size = -1,\n")
out_file.write("};\n\n")
out_file.write("MODULE_INIT_FUNC(werror)\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\tPyLong_FromUnsignedLongLong(W_ERROR_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("WERR_"):
error_name = error_name.replace("WERR_", "", 1)
elif error_name.startswith("ERROR_"):
error_name = error_name.replace("ERROR_", "", 1)
return "WERR_" + error_name.upper()
# Script to generate files werror_gen.h, doserr_gen.c and
# py_werror.c.
#
# These files contain generated definitions for WERRs and
# their descriptions/names.
#
# 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 https://msdn.microsoft.com/en-us/library/cc231199.aspx)
# copied and pasted.
# [2]: [[output werror_gen.h]]
# [3]: [[output doserr_gen.c]]
# [4]: [[output py_werror.c]]
def main():
if len(sys.argv) == 5:
input_file_name = 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()
input_file = io.open(input_file_name, "rt", encoding='utf8')
errors = parseErrorDescriptions(input_file, True, transformErrorName)
input_file.close()
print("writing new header file: %s" % gen_headerfile_name)
out_file = io.open(gen_headerfile_name, "wt", encoding='utf8')
generateHeaderFile(out_file, errors)
out_file.close()
print("writing new source file: %s" % gen_sourcefile_name)
out_file = io.open(gen_sourcefile_name, "wt", encoding='utf8')
generateSourceFile(out_file, errors)
out_file.close()
print("writing new python file: %s" % gen_pythonfile_name)
out_file = io.open(gen_pythonfile_name, "wt", encoding='utf8')
generatePythonFile(out_file, errors)
out_file.close()
if __name__ == '__main__':
main()
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