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[#104] nemtap: Escape special symbols in filters
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Signed-off-by: Alex Vanin <a.vanin@yadro.com>
This commit is contained in:
Alexey Vanin 2023-07-05 14:25:18 +03:00
parent 49d03508ed
commit 7ad0ce3c34
1 changed files with 10 additions and 1 deletions
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11
netmap/policy.go
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@ -471,7 +471,7 @@ func writeFilterStringTo(w io.StringWriter, f netmap.Filter) error {
unspecified := op == 0
if s = f.GetKey(); s != "" {
_, err = w.WriteString(fmt.Sprintf("%s %s %s", s, op, f.GetValue()))
_, err = w.WriteString(fmt.Sprintf("%s %s %s", escapeString(s), op, escapeString(f.GetValue())))
if err != nil {
return err
}
@ -816,3 +816,12 @@ func operationFromString(s string) (op netmap.Operation) {
return
}
// escapeString returns single quote wrapped string if it contains special
// characters '-' and whitespace.
func escapeString(s string) string {
if strings.ContainsAny(s, " -\t") {
return "'" + s + "'"
}
return s
}