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33 lines
816 B
Go
33 lines
816 B
Go
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 sshHostKey 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 *sshHostKey) 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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// NewSSHHostKey rule detects the use of insecure ssh HostKeyCallback.
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func NewSSHHostKey(conf gas.Config) (gas.Rule, []ast.Node) {
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return &sshHostKey{
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pkg: "golang.org/x/crypto/ssh",
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calls: []string{"InsecureIgnoreHostKey"},
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MetaData: gas.MetaData{
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What: "Use of ssh InsecureIgnoreHostKey should be audited",
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Severity: gas.Medium,
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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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