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caddytls: add TLS 1.3 support and remove CBC ciphers (#2399)

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Wèi Cōngruì 2019-02-26 09:39:30 +08:00 committed by Matt Holt
parent 9037d3ab85
commit 72d0debde6
3 changed files with 8 additions and 11 deletions
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11
caddytls/config.go
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@ -407,7 +407,7 @@ func SetDefaultTLSParams(config *Config) {
config.ProtocolMinVersion = tls.VersionTLS12
}
if config.ProtocolMaxVersion == 0 {
config.ProtocolMaxVersion = tls.VersionTLS12
config.ProtocolMaxVersion = tls.VersionTLS13
}
// Prefer server cipher suites
@ -430,6 +430,7 @@ var SupportedProtocols = map[string]uint16{
"tls1.0": tls.VersionTLS10,
"tls1.1": tls.VersionTLS11,
"tls1.2": tls.VersionTLS12,
"tls1.3": tls.VersionTLS13,
}
// GetSupportedProtocolName returns the protocol name
@ -489,10 +490,6 @@ var defaultCiphers = []uint16{
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
}
// List of ciphers we should prefer if native AESNI support is missing
@ -503,10 +500,6 @@ var defaultCiphersNonAESNI = []uint16{
tls.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
tls.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
tls.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
}
// getPreferredDefaultCiphers returns an appropriate cipher suite to use, depending on

4
caddytls/setup.go
View file

@ -34,6 +34,10 @@ import (
)
func init() {
// opt-in TLS 1.3 for Go1.12
// TODO: remove this line when Go1.13 is released.
os.Setenv("GODEBUG", os.Getenv("GODEBUG")+",tls13=1")
caddy.RegisterPlugin("tls", caddy.Plugin{Action: setupTLS})
// ensure the default Storage implementation is plugged in

4
caddytls/setup_test.go
View file

@ -75,8 +75,8 @@ func TestSetupParseBasic(t *testing.T) {
if cfg.ProtocolMinVersion != tls.VersionTLS12 {
t.Errorf("Expected 'tls1.2 (0x0303)' as ProtocolMinVersion, got %#v", cfg.ProtocolMinVersion)
}
if cfg.ProtocolMaxVersion != tls.VersionTLS12 {
t.Errorf("Expected 'tls1.2 (0x0303)' as ProtocolMaxVersion, got %v", cfg.ProtocolMaxVersion)
if cfg.ProtocolMaxVersion != tls.VersionTLS13 {
t.Errorf("Expected 'tls1.3 (0x0304)' as ProtocolMaxVersion, got %#v", cfg.ProtocolMaxVersion)
}
// Cipher checks