4 # Unix SMB/CIFS implementation.
6 # HRESULT Error definitions
8 # Copyright (C) Noel Power <noel.power@suse.com> 2014
10 # This program is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 3 of the License, or
13 # (at your option) any later version.
15 # This program is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with this program. If not, see <http://www.gnu.org/licenses/>.
24 import sys, os.path, io, string
34 self.err_define = None
38 def escapeString( input ):
39 output = input.replace('"','\\"')
40 output = output.replace("\\<","\\\\<")
41 output = output.replace('\t',"")
44 def transformErrorName( error_name ):
46 if error_name.startswith("STATUS_"):
47 error_name = error_name.replace("STATUS_","",1)
48 elif error_name.startswith("RPC_NT_"):
49 error_name = error_name.replace("RPC_NT_","RPC_",1)
50 elif error_name.startswith("EPT_NT_"):
51 error_name = error_name.replace("EPT_NT_","EPT_",1)
52 new_name = "NT_STATUS_" + error_name
55 def parseErrorDescriptions( file_contents, isWinError ):
57 for line in file_contents:
58 if line == None or line == '\t' or line == "" or line == '\n':
60 content = line.strip().split(None,1)
61 # start new error definition ?
62 if line.startswith("0x"):
64 newError.err_code = int(content[0],0)
65 # escape the usual suspects
67 newError.err_string = escapeString(content[1])
68 newError.linenum = count
69 newError.isWinError = isWinError
70 Errors.append(newError)
76 if err.err_define == None:
77 err.err_define = transformErrorName(content[0])
80 desc = escapeString(line.strip())
82 if err.err_string == "":
85 err.err_string = err.err_string + " " + desc
87 print "parsed %d lines generated %d error definitions"%(count,len(Errors))
89 def generateHeaderFile(out_file):
90 out_file.write("/*\n")
91 out_file.write(" * Descriptions for errors generated from\n")
92 out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
93 out_file.write(" */\n\n")
94 out_file.write("#ifndef _NTSTATUS_GEN_H\n")
95 out_file.write("#define _NTSTATUS_GEN_H\n")
97 line = "#define %s NT_STATUS(%s)\n" % (err.err_define, hex(err.err_code))
99 out_file.write("\n#endif /* _NTSTATUS_GEN_H */\n")
101 def generateSourceFile(out_file):
102 out_file.write("/*\n")
103 out_file.write(" * Names for errors generated from\n")
104 out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
105 out_file.write(" */\n")
107 out_file.write("static const nt_err_code_struct nt_errs[] = \n")
108 out_file.write("{\n")
110 out_file.write("\t{ \"%s\", %s },\n" % (err.err_define, err.err_define))
111 out_file.write("{ 0, NT_STATUS(0) }\n")
112 out_file.write("};\n")
114 out_file.write("\n/*\n")
115 out_file.write(" * Descriptions for errors generated from\n")
116 out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
117 out_file.write(" */\n")
119 out_file.write("static const nt_err_code_struct nt_err_desc[] = \n")
120 out_file.write("{\n")
122 # Account for the possibility that some errors may not have descriptions
123 if err.err_string == "":
125 out_file.write("\t{ N_(\"%s\"), %s },\n"%(err.err_string, err.err_define))
126 out_file.write("{ 0, NT_STATUS(0) }\n")
129 def generatePythonFile(out_file):
130 out_file.write("/*\n")
131 out_file.write(" * New descriptions for existing errors generated from\n")
132 out_file.write(" * [MS-ERREF] http://msdn.microsoft.com/en-us/library/cc704588.aspx\n")
133 out_file.write(" */\n")
134 out_file.write("#include <Python.h>\n")
135 out_file.write("#include \"includes.h\"\n\n")
136 out_file.write("static inline PyObject *ndr_PyLong_FromUnsignedLongLong(unsigned long long v)\n");
137 out_file.write("{\n");
138 out_file.write("\tif (v > LONG_MAX) {\n");
139 out_file.write("\t\treturn PyLong_FromUnsignedLongLong(v);\n");
140 out_file.write("\t} else {\n");
141 out_file.write("\t\treturn PyInt_FromLong(v);\n");
142 out_file.write("\t}\n");
143 out_file.write("}\n\n");
144 # This is needed to avoid a missing prototype error from the C
145 # compiler. There is never a prototype for this function, it is a
146 # module loaded by python with dlopen() and found with dlsym().
147 out_file.write("void initntstatus(void);\n")
148 out_file.write("void initntstatus(void)\n")
149 out_file.write("{\n")
150 out_file.write("\tPyObject *m;\n\n")
151 out_file.write("\tm = Py_InitModule3(\"ntstatus\", NULL, \"NTSTATUS error defines\");\n");
152 out_file.write("\tif (m == NULL)\n");
153 out_file.write("\t\treturn;\n\n");
155 line = """\tPyModule_AddObject(m, \"%s\",
156 \t\tndr_PyLong_FromUnsignedLongLong(NT_STATUS_V(%s)));\n""" % (err.err_define, err.err_define)
158 out_file.write("}\n");
160 # Very simple script to generate files nterr_gen.c & ntstatus_gen.h.
161 # These files contain generated definitions.
162 # This script takes four inputs:
163 # [1]: The name of the text file which is the content of an HTML table
164 # (e.g. the one found at http://msdn.microsoft.com/en-us/library/cc231200.aspx)
166 # [2]: The name of the output generated header file with NTStatus #defines
167 # [3]: The name of the output generated source file with C arrays
168 # [4]: The name of the output generated python file
172 if len(sys.argv) == 5:
173 input_file = sys.argv[1]
174 gen_headerfile_name = sys.argv[2]
175 gen_sourcefile_name = sys.argv[3]
176 gen_pythonfile_name = sys.argv[4]
178 print "usage: %s winerrorfile headerfile sourcefile pythonfile" % (sys.argv[0])
182 file_contents = open(input_file, "r")
183 parseErrorDescriptions(file_contents, False)
185 print "writing new header file: %s" % gen_headerfile_name
186 out_file = open(gen_headerfile_name, "w")
187 generateHeaderFile(out_file)
189 print "writing new source file: %s" % gen_sourcefile_name
190 out_file = open(gen_sourcefile_name, "w")
191 generateSourceFile(out_file)
193 print "writing new python file: %s" % gen_pythonfile_name
194 out_file = open(gen_pythonfile_name, "w")
195 generatePythonFile(out_file)
198 if __name__ == '__main__':