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Fix(domain-trie): domain could without dot

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This commit is contained in:
gVisor bot 2019-07-16 00:57:08 +08:00
parent 32dd6f28ea
commit 159d9da548
2 changed files with 17 additions and 5 deletions
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12
component/domain-trie/tire.go
View File

@ -21,17 +21,21 @@ type Trie struct {
root *Node
}
func isValidDomain(domain string) bool {
return domain[0] != '.' && domain[len(domain)-1] != '.'
}
// Insert adds a node to the trie.
// Support
// 1. www.example.com
// 2. *.example.com
// 3. subdomain.*.example.com
func (t *Trie) Insert(domain string, data interface{}) error {
parts := strings.Split(domain, domainStep)
if len(parts) < 2 {
if !isValidDomain(domain) {
return ErrInvalidDomain
}
parts := strings.Split(domain, domainStep)
node := t.root
// reverse storage domain part to save space
for i := len(parts) - 1; i >= 0; i-- {
@ -52,10 +56,10 @@ func (t *Trie) Insert(domain string, data interface{}) error {
// 1. static part
// 2. wildcard domain
func (t *Trie) Search(domain string) *Node {
parts := strings.Split(domain, domainStep)
if len(parts) < 2 {
if !isValidDomain(domain) {
return nil
}
parts := strings.Split(domain, domainStep)
n := t.root
for i := len(parts) - 1; i >= 0; i-- {

10
component/domain-trie/trie_test.go
View File

@ -65,11 +65,19 @@ func TestTrie_Boundary(t *testing.T) {
tree := New()
tree.Insert("*.dev", localIP)
if err := tree.Insert("com", localIP); err == nil {
if err := tree.Insert(".", localIP); err == nil {
t.Error("should recv err")
}
if err := tree.Insert(".com", localIP); err == nil {
t.Error("should recv err")
}
if tree.Search("dev") != nil {
t.Error("should recv nil")
}
if tree.Search(".dev") != nil {
t.Error("should recv nil")
}
}