Convert domain names to lowercase before matching (#195)

Co-authored-by: RPRX <63339210+rprx@users.noreply.github.com>
This commit is contained in:
Arthur Morgan 2021-01-22 07:37:55 +08:00 committed by GitHub
parent 0b4858d016
commit 5aa053a65f
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5 changed files with 7 additions and 2 deletions

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@ -364,6 +364,7 @@ func (s *Server) lookupIPInternal(domain string, option IPOption) ([]net.IP, err
if domain == "" {
return nil, newError("empty domain name")
}
domain = strings.ToLower(domain)
// normalize the FQDN form query
if domain[len(domain)-1] == '.' {

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@ -91,7 +91,7 @@ func (m *DomainMatcher) Apply(ctx routing.Context) bool {
if len(domain) == 0 {
return false
}
return m.ApplyDomain(domain)
return m.ApplyDomain(strings.ToLower(domain))
}
type MultiGeoIPMatcher struct {

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@ -102,7 +102,7 @@ func ReadClientHello(data []byte, h *SniffHeader) error {
return errNotClientHello
}
if nameType == 0 {
serverName := string(d[:nameLen])
serverName := strings.ToLower(string(d[:nameLen]))
// An SNI value may not include a
// trailing dot. See
// https://tools.ietf.org/html/rfc6066#section-3.

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@ -412,6 +412,8 @@ func (s *Server) fallback(ctx context.Context, sid errors.ExportOption, err erro
newError("realName = " + name).AtInfo().WriteToLog(sid)
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
}
name = strings.ToLower(name)
alpn = strings.ToLower(alpn)
if len(napfb) > 1 || napfb[""] == nil {
if name != "" && napfb[name] == nil {

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@ -232,6 +232,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection i
newError("realName = " + name).AtInfo().WriteToLog(sid)
newError("realAlpn = " + alpn).AtInfo().WriteToLog(sid)
}
name = strings.ToLower(name)
alpn = strings.ToLower(alpn)
if len(napfb) > 1 || napfb[""] == nil {
if name != "" && napfb[name] == nil {