84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
import json
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from xml import etree
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from fuzzingbook import Grammars
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from fuzzingbook.Grammars import is_valid_grammar
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from isla.solver import ISLaSolver
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import ast_generator.ast_generator
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from ast_parser.ast_solver import AstSolver
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from ast_parser.gaz_unparser import AstParser
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from ast_generator import gazprea_ast_grammar
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import xml.etree.ElementTree as ET
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import xml.dom.minidom
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import ast_parser
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class GazpreaFuzzer(ISLaSolver):
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"""Produce Gazprea code"""
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def __init__(self,
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grammar: Grammars,
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start_symbol: str = "<start>",
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constraint: str = "",
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**kwargs) -> None:
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"""
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@brief initialize a Gazprea code generator
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:param grammar: the grammar from which you would like to generate code
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:param start_symbol: the start symbol of the grammar (default "<start>")
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:param constraint: any constraints that you would like to impose on the solver
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:param kwargs: any extra arguments passed to the ISLaSolver
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"""
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assert start_symbol in grammar
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assert is_valid_grammar(grammar)
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super().__init__(grammar, constraint, start_symbol=start_symbol, **kwargs)
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def fuzz(self) -> str:
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"""Produce the hecking code"""
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AST = AstParser(eval(str(self.solve())), from_xml=True)
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AstSolver.fix_missing_locations(AST)
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AST.unparse()
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return AST.input
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if __name__ == '__main__':
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gen = ast_generator.ast_generator.AstGenerator(gazprea_ast_grammar.GAZPREA_TOP_LEVEL, json.loads('{}'))
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with open("debug/test.xml", 'w') as t:
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et = gen.generate_ast()
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dom = xml.dom.minidom.parseString(ET.tostring(et).decode('utf-8'))
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pretty: str = dom.toprettyxml()
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repretty = ""
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for line in pretty.split('\n'):
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if line.startswith("<?xml"):
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pass
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else:
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repretty += (line + '\n')
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t.write(repretty)
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gen.populate_ast(et)
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with open("debug/populated.xml", 'w') as t:
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dom = xml.dom.minidom.parseString(ET.tostring(et).decode('utf-8'))
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pretty: str = dom.toprettyxml()
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repretty = ""
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for line in pretty.split('\n'):
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if line.startswith("<?xml"):
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pass
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else:
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repretty += (line + '\n')
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t.write(repretty)
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source = ast_parser.ast_parser.AstParser(et, from_xml=True)
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source.unparse()
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with open("debug/test.gz", 'w') as t:
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t.write(source.input)
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