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Fix OCSP Stapling (#172) 

Co-authored-by: RPRX <63339210+rprx@users.noreply.github.com>
This commit is contained in:
eMeab 2021-01-31 07:17:07 +08:00 committed by GitHub
parent 4cd343f2d5
commit c13b8ec9bb
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 76 additions and 14 deletions
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45
transport/internet/tls/config.go
View File

@ -42,8 +42,8 @@ func (c *Config) loadSelfCertPool() (*x509.CertPool, error) {
}
// BuildCertificates builds a list of TLS certificates from proto definition.
func (c *Config) BuildCertificates() []tls.Certificate {
certs := make([]tls.Certificate, 0, len(c.Certificate))
func (c *Config) BuildCertificates() []*tls.Certificate {
certs := make([]*tls.Certificate, 0, len(c.Certificate))
for _, entry := range c.Certificate {
if entry.Usage != Certificate_ENCIPHERMENT {
continue
@ -53,7 +53,12 @@ func (c *Config) BuildCertificates() []tls.Certificate {
newError("ignoring invalid X509 key pair").Base(err).AtWarning().WriteToLog()
continue
}
certs = append(certs, keyPair)
keyPair.Leaf, err = x509.ParseCertificate(keyPair.Certificate[0])
if err != nil {
newError("ignoring invalid certificate").Base(err).AtWarning().WriteToLog()
continue
}
certs = append(certs, &keyPair)
if entry.OcspStapling != 0 {
go func(cert *tls.Certificate) {
t := time.NewTicker(time.Duration(entry.OcspStapling) * time.Second)
@ -65,7 +70,7 @@ func (c *Config) BuildCertificates() []tls.Certificate {
}
<-t.C
}
}(&certs[len(certs)-1])
}(certs[len(certs)-1])
}
}
return certs
@ -169,6 +174,33 @@ func getGetCertificateFunc(c *tls.Config, ca []*Certificate) func(hello *tls.Cli
}
}
func getNewGetCertficateFunc(certs []*tls.Certificate) func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
return func(hello *tls.ClientHelloInfo) (*tls.Certificate, error) {
if len(certs) == 0 {
return nil, newError("empty certs")
}
sni := strings.ToLower(hello.ServerName)
if len(certs) == 1 || sni == "" {
return certs[0], nil
}
gsni := "*"
if index := strings.IndexByte(sni, '.'); index != -1 {
gsni += sni[index:]
}
for _, keyPair := range certs {
if keyPair.Leaf.Subject.CommonName == sni || keyPair.Leaf.Subject.CommonName == gsni {
return keyPair, nil
}
for _, name := range keyPair.Leaf.DNSNames {
if name == sni || name == gsni {
return keyPair, nil
}
}
}
return certs[0], nil
}
}
func (c *Config) IsExperiment8357() bool {
return strings.HasPrefix(c.ServerName, exp8357)
}
@ -210,12 +242,11 @@ func (c *Config) GetTLSConfig(opts ...Option) *tls.Config {
opt(config)
}
config.Certificates = c.BuildCertificates()
config.BuildNameToCertificate()
caCerts := c.getCustomCA()
if len(caCerts) > 0 {
config.GetCertificate = getGetCertificateFunc(config, caCerts)
} else {
config.GetCertificate = getNewGetCertficateFunc(c.BuildCertificates())
}
if sn := c.parseServerName(); len(sn) > 0 {

45
transport/internet/xtls/config.go
View File

@ -41,8 +41,8 @@ func (c *Config) loadSelfCertPool() (*x509.CertPool, error) {
}
// BuildCertificates builds a list of TLS certificates from proto definition.
func (c *Config) BuildCertificates() []xtls.Certificate {
certs := make([]xtls.Certificate, 0, len(c.Certificate))
func (c *Config) BuildCertificates() []*xtls.Certificate {
certs := make([]*xtls.Certificate, 0, len(c.Certificate))
for _, entry := range c.Certificate {
if entry.Usage != Certificate_ENCIPHERMENT {
continue
@ -52,7 +52,12 @@ func (c *Config) BuildCertificates() []xtls.Certificate {
newError("ignoring invalid X509 key pair").Base(err).AtWarning().WriteToLog()
continue
}
certs = append(certs, keyPair)
keyPair.Leaf, err = x509.ParseCertificate(keyPair.Certificate[0])
if err != nil {
newError("ignoring invalid certificate").Base(err).AtWarning().WriteToLog()
continue
}
certs = append(certs, &keyPair)
if entry.OcspStapling != 0 {
go func(cert *xtls.Certificate) {
t := time.NewTicker(time.Duration(entry.OcspStapling) * time.Second)
@ -64,7 +69,7 @@ func (c *Config) BuildCertificates() []xtls.Certificate {
}
<-t.C
}
}(&certs[len(certs)-1])
}(certs[len(certs)-1])
}
}
return certs
@ -168,6 +173,33 @@ func getGetCertificateFunc(c *xtls.Config, ca []*Certificate) func(hello *xtls.C
}
}
func getNewGetCertficateFunc(certs []*xtls.Certificate) func(hello *xtls.ClientHelloInfo) (*xtls.Certificate, error) {
return func(hello *xtls.ClientHelloInfo) (*xtls.Certificate, error) {
if len(certs) == 0 {
return nil, newError("empty certs")
}
sni := strings.ToLower(hello.ServerName)
if len(certs) == 1 || sni == "" {
return certs[0], nil
}
gsni := "*"
if index := strings.IndexByte(sni, '.'); index != -1 {
gsni += sni[index:]
}
for _, keyPair := range certs {
if keyPair.Leaf.Subject.CommonName == sni || keyPair.Leaf.Subject.CommonName == gsni {
return keyPair, nil
}
for _, name := range keyPair.Leaf.DNSNames {
if name == sni || name == gsni {
return keyPair, nil
}
}
}
return certs[0], nil
}
}
func (c *Config) parseServerName() string {
return c.ServerName
}
@ -201,12 +233,11 @@ func (c *Config) GetXTLSConfig(opts ...Option) *xtls.Config {
opt(config)
}
config.Certificates = c.BuildCertificates()
config.BuildNameToCertificate()
caCerts := c.getCustomCA()
if len(caCerts) > 0 {
config.GetCertificate = getGetCertificateFunc(config, caCerts)
} else {
config.GetCertificate = getNewGetCertficateFunc(c.BuildCertificates())
}
if sn := c.parseServerName(); len(sn) > 0 {