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- package main
-
- import (
- "crypto/tls"
- "crypto/x509"
- "flag"
- "fmt"
- "io"
- "log"
- "os"
- "strings"
- )
-
- var tlsVersionToName = map[uint16]string{
- tls.VersionTLS10: "1.0",
- tls.VersionTLS11: "1.1",
- tls.VersionTLS12: "1.2",
- tls.VersionTLS13: "1.3",
- tls.VersionTLS13Draft18: "1.3 (draft 18)",
- }
-
- var cipherSuiteIdToName = map[uint16]string{
- tls.TLS_RSA_WITH_AES_128_CBC_SHA: "TLS_RSA_WITH_AES_128_CBC_SHA",
- tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256: "TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256",
- tls.TLS_AES_128_GCM_SHA256: "TLS_AES_128_GCM_SHA256",
- tls.TLS_AES_256_GCM_SHA384: "TLS_AES_256_GCM_SHA384",
- tls.TLS_CHACHA20_POLY1305_SHA256: "TLS_CHACHA20_POLY1305_SHA256",
- }
-
- type Client struct {
- KeyLogWriter io.Writer
- failed uint
- client_cert tls.Certificate
- client_certpool *x509.CertPool
- }
-
- func (c *Client) run(addr string, version, cipherSuite uint16) {
- fmt.Printf("TLS %s with %s\n", tlsVersionToName[version], cipherSuiteIdToName[cipherSuite])
- tls_config := &tls.Config{
- InsecureSkipVerify: true,
- MinVersion: version,
- MaxVersion: version,
- CipherSuites: []uint16{cipherSuite},
- KeyLogWriter: c.KeyLogWriter,
- Certificates: []tls.Certificate{c.client_cert},
- RootCAs: c.client_certpool,
- }
- con, err := tls.Dial("tcp", addr, tls_config)
- if err != nil {
- fmt.Printf("handshake failed: %v\n\n", err)
- c.failed++
- return
- }
- defer con.Close()
-
- _, err = con.Write([]byte("GET / HTTP/1.1\r\nHost: localhost\r\n\r\n"))
- if err != nil {
- fmt.Printf("Write failed: %v\n\n", err)
- c.failed++
- return
- }
-
- buf := make([]byte, 1024)
- n, err := con.Read(buf)
- // A non-zero read with EOF is acceptable and occurs when a close_notify
- // is received right after reading data (observed with NSS selfserv).
- if !(n > 0 && err == io.EOF) && err != nil {
- fmt.Printf("Read failed: %v\n\n", err)
- c.failed++
- return
- }
- fmt.Printf("Read %d bytes\n", n)
-
- fmt.Println("OK\n")
- }
-
- func main() {
- var keylog_file string
- var enable_rsa, enable_ecdsa, client_auth bool
-
- flag.StringVar(&keylog_file, "keylogfile", "", "Secrets will be logged here")
- flag.BoolVar(&enable_rsa, "rsa", true, "Whether to enable RSA cipher suites")
- flag.BoolVar(&enable_ecdsa, "ecdsa", true, "Whether to enable ECDSA cipher suites")
- flag.BoolVar(&client_auth, "cliauth", false, "Whether to enable client authentication")
- flag.Parse()
- if flag.NArg() != 1 {
- flag.Usage()
- os.Exit(1)
- }
- addr := flag.Arg(0)
- if !strings.Contains(addr, ":") {
- addr += ":443"
- }
-
- client := Client{}
- if keylog_file == "" {
- keylog_file = os.Getenv("SSLKEYLOGFILE")
- }
- if keylog_file != "" {
- keylog_writer, err := os.OpenFile(keylog_file, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0600)
- if err != nil {
- log.Fatalf("Cannot open keylog file: %v", err)
- }
- client.KeyLogWriter = keylog_writer
- log.Println("Enabled keylog")
- }
-
- if client_auth {
- var err error
- client.client_cert, err = tls.X509KeyPair([]byte(client_crt), []byte(client_key))
- if err != nil {
- panic("Can't load client certificate")
- }
-
- client.client_certpool = x509.NewCertPool()
- if !client.client_certpool.AppendCertsFromPEM([]byte(client_ca)) {
- panic("Can't load client CA cert")
- }
- }
-
- if enable_rsa {
- // Sanity check: TLS 1.2 with the mandatory cipher suite from RFC 5246
- client.run(addr, tls.VersionTLS12, tls.TLS_RSA_WITH_AES_128_CBC_SHA)
- }
- if enable_ecdsa {
- // Sane cipher suite for TLS 1.2 with an ECDSA cert (as used by boringssl)
- client.run(addr, tls.VersionTLS12, tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
- }
-
-
- client.run(addr, tls.VersionTLS13, tls.TLS_CHACHA20_POLY1305_SHA256)
- client.run(addr, tls.VersionTLS13, tls.TLS_AES_128_GCM_SHA256)
- client.run(addr, tls.VersionTLS13, tls.TLS_AES_256_GCM_SHA384)
-
- // TODO test other kex methods besides X25519, like MTI secp256r1
- // TODO limit supported groups?
-
- if client.failed > 0 {
- log.Fatalf("Failed handshakes: %d\n", client.failed)
- } else {
- fmt.Println("All handshakes passed")
- }
- }
-
- const (
- client_ca = `-----BEGIN CERTIFICATE-----
- MIIFYDCCA0igAwIBAgIJAPpBgIvtQb1EMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV
- BAYTAkFVMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX
- aWRnaXRzIFB0eSBMdGQwHhcNMTgwMjEzMjAxNjA3WhcNMTkwMjEzMjAxNjA3WjBF
- MQswCQYDVQQGEwJBVTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50
- ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
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- TC33PfzOlnKQxATwevnnhI6tGluWmwvxXUi7WnX0di+nQg9HrIVom3KrmRr2/41y
- g497ccYUuNnKE6sewGdGzw045oWZpMDA2Us+MFo1IywOurjaM9bueRhPTcIiQ8RE
- h7qb+FRwfxaj9ynZA2PCM7WMSSWCiZJV0uj/pshYF2lvtJcJef4dhwnsYBpc+mgx
- 2q9qcUBeo3ZHbi1/PRqjwSmcW3yY5cQRbpYp6xFmgmX3oHQkVXS0UlpNVZ+morcS
- HEpaK8b76fCFcL5yFsAJkPPfny1IKU+CfaVq60dM/mxbEW6J4mZT/uAiqrCilMC+
- FyiATCZur8Ks7p47eZy700DllLod7gWTiuZTgHeQFVoX+jxbCZKlFn5Xspu8ALoK
- Mla/q83mICRVy3+eMUsD7DNvoWYpCAYy/oMk0VWfrQ48JkCGbBW2PW/dU2nmqVhY
- /11rurkr+1TUvYodnajANtXvUjW1DPOLb4dES4Qc4b7Fw8eFXrARhl5mXiL5HFKR
- /VnRshiJ+QwTVkxl+KkZHEm/WS8QD+Zd8leAxh9MCoaU/XrBUBkCAwEAAaNTMFEw
- HQYDVR0OBBYEFKUinuD1xRvcNd2Wti/PnBJp7On1MB8GA1UdIwQYMBaAFKUinuD1
- xRvcNd2Wti/PnBJp7On1MA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQELBQAD
- ggIBAJdJrNBftqkTs2HyuJ3x5RIsTxYh85hJYwNOdFLyzVG6HER9jRCnvmNTjG0O
- I5wz5hQvDpwXs4BCCXHQZrTLAi3BEjq3AjrmR/XeGHulbWh3eh8LVu7MiLRgt+Ys
- GnL2IaERrbkje24nCCMNPbI3fGDQEhTIYmmX8RJp+5BOJgCycKk6pFgfrjJv2C+d
- 78pcjlYII6M4vPnr/a08M49Bq6b5ADvIfe5G2KrUvD/+vwoAwv6d/daymHCQ2rY5
- kmdVk9VUp3Q4uKoeej4ENJSAUNTV7oTu346oc7q9sJffB5OltqbrE7ichak7lL+v
- EjArZHElAhKNFXRZViCMvGDs+7JztqbsfT8Xb6Z27e+WyudB2bOUGm3hKuTIl06D
- bA7yUskwEhmkd1CJqO5RLEJjKitOqe6Ye0/GsmPQNDK8GvyXTyGQK5OqBuzEexF0
- mlPoIhpSVH3K9SkRTTHvvcbdYlaQLi6gKq2uhbk4PnS2nfBtXqYIy9mxcgBJzLiB
- /ydfLcf3GClwgvO1JHp6qAl4CO7oe8jqHpoGuznwi1aqkTyNkQWh0OXq3MS+dyqB
- 2yXFCFIeKCx18TE1OtuTD3ppBDjpyd0o/a6kYR3FDmdks/J33bGwLsLH3lbN6VjF
- PNfNkaE1tfkpSGYsuT1DPxX8aAT4JLUfZ1Si6iO+E0Sj9LXA
- -----END CERTIFICATE-----`
- client_crt = `-----BEGIN CERTIFICATE-----
- MIID/jCCAeYCAQEwDQYJKoZIhvcNAQELBQAwRTELMAkGA1UEBhMCQVUxEzARBgNV
- BAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdpdHMgUHR5IEx0
- ZDAeFw0xODAyMTMyMDU0MjZaFw0xOTAyMTMyMDU0MjZaMEUxCzAJBgNVBAYTAkFV
- MRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBXaWRnaXRz
- IFB0eSBMdGQwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDD1li7/35Q
- C/T6FACSbsd0WlImu42i6w96wfngAfEgbz5Ip+IA2rJ8G5LNHTYYCpr9LlmhY6zm
- soHgAkff6XwUnZaetX01UmGP4CD4D3UumkR1uKY4bCSNImm53SZgelOznpsqAWKE
- zosMrDcOAJKJSN411KwVzWysfRCPyxvmLETzU9KHFCJ1oY3t1HzYIAqpHv9sMSst
- dNHW3X7bWEAVKCQMKO+rWe/wAhE4iTVdlRi02oRoRWSVj41+nk6jI8KJNq70stHc
- QSST0A7SUacPYKJWqJRhP1pZ6k4G3ZVE8332az7jvcN1uGGjERZoUbZxGB+mbMCC
- GJwnwnNiI6/hAgMBAAEwDQYJKoZIhvcNAQELBQADggIBADNr6QMl57CdHEzNwc2M
- CSZsuOLakp8YiovVDOXJ/p/lykUIIcR1rI1iNfb8oOFTZmrndGZVAh76EExdMHYG
- m+4Vr2+z/73AZwvhhnLhftOKFFwkdjCfXouPlkc/zmhOORakIFGlLZFkuZRY6k2D
- Q8uIt7E5uXSVl11A1LxN5X8lhK2G4lxJZuj1AqEFj9QD44Qy+MdgX38lzGCEXd8c
- Y5K8zLJGbgXgYaFxqd0bImfjgjj82+Mui0OTV5PcRlczJX08ygKjcoAMVyvPHu72
- 3zzxvoNcqUrvbptVvg9c7FSOpK95YZOe1LiyqZCwNJQl4fPRE++XQ4zDNdyiAp76
- a6BQg/M8gOpV/VBMTsNDr/yP/7eBqkfvU7jLfz7wKMDdcjeZnKom42f+/XOLEo6E
- hyDuHGdQh10bZD/Ukcs69+pA3ioic1A8pQzAElH3IuDBsMJg30x8tACLKNcUY8BE
- 2eJgrCxWcvq88DeAT03W9AVpFZA8ZQUR3SHCquMBFogsmUDDMN+CoC0u5dBwHP+O
- 9rmWOXn8gp/zBCKGwemgVV5vSNzJs7z3aoqIiAABl56LBaXxjKzRmXoB/SyUW5zl
- 1zy4SQTE6SJYqqU6h2yRdT8n0oWN3AMy0VxbJTRq32kdYJVQK9cLKVqpxtCCtPnN
- 3lV+HDsj7k+AJjHiu1F4O+sp
- -----END CERTIFICATE-----`
- client_key = `-----BEGIN RSA PRIVATE KEY-----
- MIIEpAIBAAKCAQEAw9ZYu/9+UAv0+hQAkm7HdFpSJruNousPesH54AHxIG8+SKfi
- ANqyfBuSzR02GAqa/S5ZoWOs5rKB4AJH3+l8FJ2WnrV9NVJhj+Ag+A91LppEdbim
- OGwkjSJpud0mYHpTs56bKgFihM6LDKw3DgCSiUjeNdSsFc1srH0Qj8sb5ixE81PS
- hxQidaGN7dR82CAKqR7/bDErLXTR1t1+21hAFSgkDCjvq1nv8AIROIk1XZUYtNqE
- aEVklY+Nfp5OoyPCiTau9LLR3EEkk9AO0lGnD2CiVqiUYT9aWepOBt2VRPN99ms+
- 473DdbhhoxEWaFG2cRgfpmzAghicJ8JzYiOv4QIDAQABAoIBADKcbZhAYjt7q5cJ
- nlA5svA9+2cpJ2SITRrTkKk0t0VDmpwaTw0bd+8dDSZXO0ihTQbLeLx9zwxb67ah
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- eKJYgHicchYb0dKyag54FFsCgYEAuToEB9W3aS9bvsZtuZyooSfXFcND2sMZrqCO
- Uh2WAqroSQfVo/vaZiX623z62A2o4xQZmd+5MqhhdxmkFGHyDtouU3SxiYPpIMmp
- Lb1etT0E1ZWbi6mqnK0YpcrGNw5gFynMyMg6eKOxKGS33EuhC3ni6Wd7MB9X8ST6
- x/M73jMCgYBBge3/ugnZPE78TDL3DdefrjeYFaKhVc622eimS/MEPbkbdxh8azTM
- LAoibwDU1NC8/3MfOBYMe6Qklu3kjexOJrfdo0Z7Khgd9F8A4tKwslUndSSlAfKF
- 2rjfqabVMZMLZ2XEbA4W5JTfaZS4YYGcrjY7+i7OsnSxoYG2sb+xlQ==
- -----END RSA PRIVATE KEY-----`
- )
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