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48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
// (c) Copyright 2016 Hewlett Packard Enterprise Development LP
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rules
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import (
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"go/ast"
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"github.com/GoASTScanner/gas"
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)
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type usingUnsafe struct {
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gas.MetaData
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pkg string
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calls []string
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}
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func (r *usingUnsafe) Match(n ast.Node, c *gas.Context) (gi *gas.Issue, err error) {
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if _, matches := gas.MatchCallByPackage(n, c, r.pkg, r.calls...); matches {
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return gas.NewIssue(c, n, r.What, r.Severity, r.Confidence), nil
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}
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return nil, nil
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}
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// NewUsingUnsafe rule detects the use of the unsafe package. This is only
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// really useful for auditing purposes.
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func NewUsingUnsafe(conf gas.Config) (gas.Rule, []ast.Node) {
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return &usingUnsafe{
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pkg: "unsafe",
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calls: []string{"Alignof", "Offsetof", "Sizeof", "Pointer"},
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MetaData: gas.MetaData{
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What: "Use of unsafe calls should be audited",
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Severity: gas.Low,
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Confidence: gas.High,
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},
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}, []ast.Node{(*ast.CallExpr)(nil)}
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}
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