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			96 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			96 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			Python
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env python3
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"""
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Generate `tests/src/test_certs.h` which includes certficaties/keys/certificate list for testing.
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"""
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#
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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import os
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import sys
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import argparse
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import jinja2
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class MacroDefineAction(argparse.Action):
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    #pylint: disable=signature-differs, too-few-public-methods
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    def __call__(self, parser, namespace, values, option_string):
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        if not hasattr(namespace, 'values'):
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            setattr(namespace, 'values', [])
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        macro_name, filename = values
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        if self.dest in ('string', 'binary') and not os.path.exists(filename):
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            raise argparse.ArgumentError(
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                None, '`{}`: Input file does not exist.'.format(filename))
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        namespace.values.append((self.dest, macro_name, filename))
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def macro_define_type(value):
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    ret = value.split('=', 1)
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    if len(ret) != 2:
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        raise argparse.ArgumentTypeError(
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            '`{}` is not MACRO=value format'.format(value))
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    return ret
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def build_argparser(parser):
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    parser.description = __doc__
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    parser.add_argument('--string', type=macro_define_type, action=MacroDefineAction,
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                        metavar='MACRO_NAME=path/to/file', help='PEM to C string. ')
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    parser.add_argument('--binary', type=macro_define_type, action=MacroDefineAction,
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                        metavar='MACRO_NAME=path/to/file',
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                        help='DER to C arrary.')
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    parser.add_argument('--password', type=macro_define_type, action=MacroDefineAction,
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                        metavar='MACRO_NAME=password', help='Password to C string.')
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    parser.add_argument('--output', type=str, required=True)
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def main():
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    parser = argparse.ArgumentParser()
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    build_argparser(parser)
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    args = parser.parse_args()
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    return generate(**vars(args))
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#pylint: disable=dangerous-default-value, unused-argument
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def generate(values=[], output=None, **kwargs):
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    """Generate C header file.
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    """
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    this_dir = os.path.dirname(os.path.abspath(__file__))
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    template_loader = jinja2.FileSystemLoader(
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        searchpath=os.path.join(this_dir, '..', 'data_files'))
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    template_env = jinja2.Environment(
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        loader=template_loader, lstrip_blocks=True, trim_blocks=True)
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    def read_as_c_array(filename):
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        with open(filename, 'rb') as f:
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            data = f.read(12)
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            while data:
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                yield ', '.join(['{:#04x}'.format(b) for b in data])
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                data = f.read(12)
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    def read_lines(filename):
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        with open(filename) as f:
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            try:
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                for line in f:
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                    yield line.strip()
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            except:
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                print(filename)
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                raise
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    def put_to_column(value, position=0):
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        return ' '*position + value
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    template_env.filters['read_as_c_array'] = read_as_c_array
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    template_env.filters['read_lines'] = read_lines
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    template_env.filters['put_to_column'] = put_to_column
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    template = template_env.get_template('test_certs.h.jinja2')
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    with open(output, 'w') as f:
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        f.write(template.render(macros=values))
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if __name__ == '__main__':
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    sys.exit(main())
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