56 lines
2.3 KiB
Go
56 lines
2.3 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// Additional permission under GNU GPL version 3 section 7
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//
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// If you modify this program, or any covered work, by linking or combining it
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// with embedded mcl code and modules (and that the embedded mcl code and
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// modules which link with this program, contain a copy of their source code in
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// the authoritative form) containing parts covered by the terms of any other
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// license, the licensors of this program grant you additional permission to
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// convey the resulting work. Furthermore, the licensors of this program grant
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// the original author, James Shubin, additional permission to update this
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// additional permission if he deems it necessary to achieve the goals of this
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// additional permission.
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package fuzz
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import (
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"bytes"
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"github.com/purpleidea/mgmt/lang/parser"
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)
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// Fuzz is repeatedly called by go-fuzz with semi-random inputs in an attempt to
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// make the Lexer/Parser crash. From the go-fuzz docs: Data is a random input
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// generated by go-fuzz, note that in most cases it is invalid. The function
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// must return 1 if the fuzzer should increase priority of the given input
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// during subsequent fuzzing (for example, the input is lexically correct and
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// was parsed successfully); -1 if the input must not be added to corpus even if
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// gives new coverage; and 0 otherwise; other values are reserved for future
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// use.
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func Fuzz(data []byte) int {
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ast, err := parser.LexParse(bytes.NewReader(data))
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if err != nil {
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if ast != nil {
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panic("ast != nil on error")
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}
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return 0
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}
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return 1
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}
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