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h2_server_test.go
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package req
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"encoding/xml"
"errors"
"flag"
"fmt"
"github.com/imroc/req/v3/internal/ascii"
"io"
"io/ioutil"
"log"
"math"
"net"
"net/http"
"net/http/httptest"
"net/textproto"
"net/url"
"os"
"reflect"
"regexp"
"runtime"
"sort"
"strconv"
"strings"
"sync"
"testing"
"time"
"golang.org/x/net/http/httpguts"
"golang.org/x/net/http2/hpack"
)
// A list of the possible cipher suite ids. Taken from
// https://www.iana.org/assignments/tls-parameters/tls-parameters.txt
const (
http2cipher_TLS_NULL_WITH_NULL_NULL uint16 = 0x0000
http2cipher_TLS_RSA_WITH_NULL_MD5 uint16 = 0x0001
http2cipher_TLS_RSA_WITH_NULL_SHA uint16 = 0x0002
http2cipher_TLS_RSA_EXPORT_WITH_RC4_40_MD5 uint16 = 0x0003
http2cipher_TLS_RSA_WITH_RC4_128_MD5 uint16 = 0x0004
http2cipher_TLS_RSA_WITH_RC4_128_SHA uint16 = 0x0005
http2cipher_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5 uint16 = 0x0006
http2cipher_TLS_RSA_WITH_IDEA_CBC_SHA uint16 = 0x0007
http2cipher_TLS_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0008
http2cipher_TLS_RSA_WITH_DES_CBC_SHA uint16 = 0x0009
http2cipher_TLS_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x000A
http2cipher_TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x000B
http2cipher_TLS_DH_DSS_WITH_DES_CBC_SHA uint16 = 0x000C
http2cipher_TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0x000D
http2cipher_TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x000E
http2cipher_TLS_DH_RSA_WITH_DES_CBC_SHA uint16 = 0x000F
http2cipher_TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x0010
http2cipher_TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0011
http2cipher_TLS_DHE_DSS_WITH_DES_CBC_SHA uint16 = 0x0012
http2cipher_TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0x0013
http2cipher_TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0014
http2cipher_TLS_DHE_RSA_WITH_DES_CBC_SHA uint16 = 0x0015
http2cipher_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0x0016
http2cipher_TLS_DH_anon_EXPORT_WITH_RC4_40_MD5 uint16 = 0x0017
http2cipher_TLS_DH_anon_WITH_RC4_128_MD5 uint16 = 0x0018
http2cipher_TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA uint16 = 0x0019
http2cipher_TLS_DH_anon_WITH_DES_CBC_SHA uint16 = 0x001A
http2cipher_TLS_DH_anon_WITH_3DES_EDE_CBC_SHA uint16 = 0x001B
http2cipher_TLS_KRB5_WITH_DES_CBC_SHA uint16 = 0x001E
http2cipher_TLS_KRB5_WITH_3DES_EDE_CBC_SHA uint16 = 0x001F
http2cipher_TLS_KRB5_WITH_RC4_128_SHA uint16 = 0x0020
http2cipher_TLS_KRB5_WITH_IDEA_CBC_SHA uint16 = 0x0021
http2cipher_TLS_KRB5_WITH_DES_CBC_MD5 uint16 = 0x0022
http2cipher_TLS_KRB5_WITH_3DES_EDE_CBC_MD5 uint16 = 0x0023
http2cipher_TLS_KRB5_WITH_RC4_128_MD5 uint16 = 0x0024
http2cipher_TLS_KRB5_WITH_IDEA_CBC_MD5 uint16 = 0x0025
http2cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA uint16 = 0x0026
http2cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA uint16 = 0x0027
http2cipher_TLS_KRB5_EXPORT_WITH_RC4_40_SHA uint16 = 0x0028
http2cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5 uint16 = 0x0029
http2cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5 uint16 = 0x002A
http2cipher_TLS_KRB5_EXPORT_WITH_RC4_40_MD5 uint16 = 0x002B
http2cipher_TLS_PSK_WITH_NULL_SHA uint16 = 0x002C
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA uint16 = 0x002D
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA uint16 = 0x002E
http2cipher_TLS_RSA_WITH_AES_128_CBC_SHA uint16 = 0x002F
http2cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA uint16 = 0x0030
http2cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA uint16 = 0x0031
http2cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA uint16 = 0x0032
http2cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0x0033
http2cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA uint16 = 0x0034
http2cipher_TLS_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0035
http2cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA uint16 = 0x0036
http2cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0037
http2cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA uint16 = 0x0038
http2cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA uint16 = 0x0039
http2cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA uint16 = 0x003A
http2cipher_TLS_RSA_WITH_NULL_SHA256 uint16 = 0x003B
http2cipher_TLS_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x003C
http2cipher_TLS_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x003D
http2cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA256 uint16 = 0x003E
http2cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x003F
http2cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 uint16 = 0x0040
http2cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0041
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0042
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0043
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0044
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0045
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA uint16 = 0x0046
http2cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0x0067
http2cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA256 uint16 = 0x0068
http2cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x0069
http2cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 uint16 = 0x006A
http2cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 uint16 = 0x006B
http2cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA256 uint16 = 0x006C
http2cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA256 uint16 = 0x006D
http2cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0084
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0085
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0086
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0087
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0088
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA uint16 = 0x0089
http2cipher_TLS_PSK_WITH_RC4_128_SHA uint16 = 0x008A
http2cipher_TLS_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x008B
http2cipher_TLS_PSK_WITH_AES_128_CBC_SHA uint16 = 0x008C
http2cipher_TLS_PSK_WITH_AES_256_CBC_SHA uint16 = 0x008D
http2cipher_TLS_DHE_PSK_WITH_RC4_128_SHA uint16 = 0x008E
http2cipher_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x008F
http2cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA uint16 = 0x0090
http2cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA uint16 = 0x0091
http2cipher_TLS_RSA_PSK_WITH_RC4_128_SHA uint16 = 0x0092
http2cipher_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0x0093
http2cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA uint16 = 0x0094
http2cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA uint16 = 0x0095
http2cipher_TLS_RSA_WITH_SEED_CBC_SHA uint16 = 0x0096
http2cipher_TLS_DH_DSS_WITH_SEED_CBC_SHA uint16 = 0x0097
http2cipher_TLS_DH_RSA_WITH_SEED_CBC_SHA uint16 = 0x0098
http2cipher_TLS_DHE_DSS_WITH_SEED_CBC_SHA uint16 = 0x0099
http2cipher_TLS_DHE_RSA_WITH_SEED_CBC_SHA uint16 = 0x009A
http2cipher_TLS_DH_anon_WITH_SEED_CBC_SHA uint16 = 0x009B
http2cipher_TLS_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0x009C
http2cipher_TLS_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0x009D
http2cipher_TLS_DH_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0x00A0
http2cipher_TLS_DH_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0x00A1
http2cipher_TLS_DH_DSS_WITH_AES_128_GCM_SHA256 uint16 = 0x00A4
http2cipher_TLS_DH_DSS_WITH_AES_256_GCM_SHA384 uint16 = 0x00A5
http2cipher_TLS_DH_anon_WITH_AES_128_GCM_SHA256 uint16 = 0x00A6
http2cipher_TLS_DH_anon_WITH_AES_256_GCM_SHA384 uint16 = 0x00A7
http2cipher_TLS_PSK_WITH_AES_128_GCM_SHA256 uint16 = 0x00A8
http2cipher_TLS_PSK_WITH_AES_256_GCM_SHA384 uint16 = 0x00A9
http2cipher_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256 uint16 = 0x00AC
http2cipher_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384 uint16 = 0x00AD
http2cipher_TLS_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00AE
http2cipher_TLS_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00AF
http2cipher_TLS_PSK_WITH_NULL_SHA256 uint16 = 0x00B0
http2cipher_TLS_PSK_WITH_NULL_SHA384 uint16 = 0x00B1
http2cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00B2
http2cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00B3
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA256 uint16 = 0x00B4
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA384 uint16 = 0x00B5
http2cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0x00B6
http2cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0x00B7
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA256 uint16 = 0x00B8
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA384 uint16 = 0x00B9
http2cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BA
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BB
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BC
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BD
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BE
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0x00BF
http2cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C0
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C1
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C2
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C3
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C4
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256 uint16 = 0x00C5
http2cipher_TLS_EMPTY_RENEGOTIATION_INFO_SCSV uint16 = 0x00FF
http2cipher_TLS_ECDH_ECDSA_WITH_NULL_SHA uint16 = 0xC001
http2cipher_TLS_ECDH_ECDSA_WITH_RC4_128_SHA uint16 = 0xC002
http2cipher_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC003
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA uint16 = 0xC004
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA uint16 = 0xC005
http2cipher_TLS_ECDHE_ECDSA_WITH_NULL_SHA uint16 = 0xC006
http2cipher_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA uint16 = 0xC007
http2cipher_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC008
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA uint16 = 0xC009
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA uint16 = 0xC00A
http2cipher_TLS_ECDH_RSA_WITH_NULL_SHA uint16 = 0xC00B
http2cipher_TLS_ECDH_RSA_WITH_RC4_128_SHA uint16 = 0xC00C
http2cipher_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC00D
http2cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC00E
http2cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC00F
http2cipher_TLS_ECDHE_RSA_WITH_NULL_SHA uint16 = 0xC010
http2cipher_TLS_ECDHE_RSA_WITH_RC4_128_SHA uint16 = 0xC011
http2cipher_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC012
http2cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC013
http2cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC014
http2cipher_TLS_ECDH_anon_WITH_NULL_SHA uint16 = 0xC015
http2cipher_TLS_ECDH_anon_WITH_RC4_128_SHA uint16 = 0xC016
http2cipher_TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA uint16 = 0xC017
http2cipher_TLS_ECDH_anon_WITH_AES_128_CBC_SHA uint16 = 0xC018
http2cipher_TLS_ECDH_anon_WITH_AES_256_CBC_SHA uint16 = 0xC019
http2cipher_TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01A
http2cipher_TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01B
http2cipher_TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA uint16 = 0xC01C
http2cipher_TLS_SRP_SHA_WITH_AES_128_CBC_SHA uint16 = 0xC01D
http2cipher_TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA uint16 = 0xC01E
http2cipher_TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA uint16 = 0xC01F
http2cipher_TLS_SRP_SHA_WITH_AES_256_CBC_SHA uint16 = 0xC020
http2cipher_TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA uint16 = 0xC021
http2cipher_TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA uint16 = 0xC022
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC023
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC024
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC025
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC026
http2cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC027
http2cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC028
http2cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 uint16 = 0xC029
http2cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 uint16 = 0xC02A
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC02D
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC02E
http2cipher_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC02F
http2cipher_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256 uint16 = 0xC031
http2cipher_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384 uint16 = 0xC032
http2cipher_TLS_ECDHE_PSK_WITH_RC4_128_SHA uint16 = 0xC033
http2cipher_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA uint16 = 0xC034
http2cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA uint16 = 0xC035
http2cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA uint16 = 0xC036
http2cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256 uint16 = 0xC037
http2cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384 uint16 = 0xC038
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA uint16 = 0xC039
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA256 uint16 = 0xC03A
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA384 uint16 = 0xC03B
http2cipher_TLS_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC03C
http2cipher_TLS_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC03D
http2cipher_TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC03E
http2cipher_TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC03F
http2cipher_TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC040
http2cipher_TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC041
http2cipher_TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC042
http2cipher_TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC043
http2cipher_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC044
http2cipher_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC045
http2cipher_TLS_DH_anon_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC046
http2cipher_TLS_DH_anon_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC047
http2cipher_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC048
http2cipher_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC049
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04A
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04B
http2cipher_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04C
http2cipher_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04D
http2cipher_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC04E
http2cipher_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC04F
http2cipher_TLS_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC050
http2cipher_TLS_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC051
http2cipher_TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC054
http2cipher_TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC055
http2cipher_TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC058
http2cipher_TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC059
http2cipher_TLS_DH_anon_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC05A
http2cipher_TLS_DH_anon_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC05B
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC05E
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC05F
http2cipher_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC062
http2cipher_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC063
http2cipher_TLS_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC064
http2cipher_TLS_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC065
http2cipher_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC066
http2cipher_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC067
http2cipher_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC068
http2cipher_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC069
http2cipher_TLS_PSK_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC06A
http2cipher_TLS_PSK_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC06B
http2cipher_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256 uint16 = 0xC06E
http2cipher_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384 uint16 = 0xC06F
http2cipher_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256 uint16 = 0xC070
http2cipher_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384 uint16 = 0xC071
http2cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC072
http2cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC073
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC074
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC075
http2cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC076
http2cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC077
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC078
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC079
http2cipher_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC07A
http2cipher_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC07B
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC07E
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC07F
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC082
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC083
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC084
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC085
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC088
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC089
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC08C
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC08D
http2cipher_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC08E
http2cipher_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC08F
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256 uint16 = 0xC092
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384 uint16 = 0xC093
http2cipher_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC094
http2cipher_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC095
http2cipher_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC096
http2cipher_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC097
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC098
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC099
http2cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256 uint16 = 0xC09A
http2cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384 uint16 = 0xC09B
http2cipher_TLS_RSA_WITH_AES_128_CCM uint16 = 0xC09C
http2cipher_TLS_RSA_WITH_AES_256_CCM uint16 = 0xC09D
http2cipher_TLS_RSA_WITH_AES_128_CCM_8 uint16 = 0xC0A0
http2cipher_TLS_RSA_WITH_AES_256_CCM_8 uint16 = 0xC0A1
http2cipher_TLS_PSK_WITH_AES_128_CCM uint16 = 0xC0A4
http2cipher_TLS_PSK_WITH_AES_256_CCM uint16 = 0xC0A5
http2cipher_TLS_PSK_WITH_AES_128_CCM_8 uint16 = 0xC0A8
http2cipher_TLS_PSK_WITH_AES_256_CCM_8 uint16 = 0xC0A9
)
// isBadCipher reports whether the cipher is blacklisted by the HTTP/2 spec.
// References:
// https://tools.ietf.org/html/rfc7540#appendix-A
// Reject cipher suites from Appendix A.
// "This list includes those cipher suites that do not
// offer an ephemeral key exchange and those that are
// based on the TLS null, stream or block cipher type"
func http2isBadCipher(cipher uint16) bool {
switch cipher {
case http2cipher_TLS_NULL_WITH_NULL_NULL,
http2cipher_TLS_RSA_WITH_NULL_MD5,
http2cipher_TLS_RSA_WITH_NULL_SHA,
http2cipher_TLS_RSA_EXPORT_WITH_RC4_40_MD5,
http2cipher_TLS_RSA_WITH_RC4_128_MD5,
http2cipher_TLS_RSA_WITH_RC4_128_SHA,
http2cipher_TLS_RSA_EXPORT_WITH_RC2_CBC_40_MD5,
http2cipher_TLS_RSA_WITH_IDEA_CBC_SHA,
http2cipher_TLS_RSA_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_RSA_WITH_DES_CBC_SHA,
http2cipher_TLS_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DH_DSS_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_DES_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DH_RSA_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_DES_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DHE_DSS_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_DES_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DHE_RSA_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_DES_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DH_anon_EXPORT_WITH_RC4_40_MD5,
http2cipher_TLS_DH_anon_WITH_RC4_128_MD5,
http2cipher_TLS_DH_anon_EXPORT_WITH_DES40_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_DES_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_KRB5_WITH_DES_CBC_SHA,
http2cipher_TLS_KRB5_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_KRB5_WITH_RC4_128_SHA,
http2cipher_TLS_KRB5_WITH_IDEA_CBC_SHA,
http2cipher_TLS_KRB5_WITH_DES_CBC_MD5,
http2cipher_TLS_KRB5_WITH_3DES_EDE_CBC_MD5,
http2cipher_TLS_KRB5_WITH_RC4_128_MD5,
http2cipher_TLS_KRB5_WITH_IDEA_CBC_MD5,
http2cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_SHA,
http2cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_SHA,
http2cipher_TLS_KRB5_EXPORT_WITH_RC4_40_SHA,
http2cipher_TLS_KRB5_EXPORT_WITH_DES_CBC_40_MD5,
http2cipher_TLS_KRB5_EXPORT_WITH_RC2_CBC_40_MD5,
http2cipher_TLS_KRB5_EXPORT_WITH_RC4_40_MD5,
http2cipher_TLS_PSK_WITH_NULL_SHA,
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA,
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA,
http2cipher_TLS_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA,
http2cipher_TLS_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA,
http2cipher_TLS_RSA_WITH_NULL_SHA256,
http2cipher_TLS_RSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_RSA_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_DH_DSS_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_DH_RSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_DHE_DSS_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_DH_DSS_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_DH_RSA_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_DHE_DSS_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_DH_anon_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_DH_anon_WITH_AES_256_CBC_SHA256,
http2cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA,
http2cipher_TLS_PSK_WITH_RC4_128_SHA,
http2cipher_TLS_PSK_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_PSK_WITH_AES_128_CBC_SHA,
http2cipher_TLS_PSK_WITH_AES_256_CBC_SHA,
http2cipher_TLS_DHE_PSK_WITH_RC4_128_SHA,
http2cipher_TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA,
http2cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA,
http2cipher_TLS_RSA_PSK_WITH_RC4_128_SHA,
http2cipher_TLS_RSA_PSK_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA,
http2cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA,
http2cipher_TLS_RSA_WITH_SEED_CBC_SHA,
http2cipher_TLS_DH_DSS_WITH_SEED_CBC_SHA,
http2cipher_TLS_DH_RSA_WITH_SEED_CBC_SHA,
http2cipher_TLS_DHE_DSS_WITH_SEED_CBC_SHA,
http2cipher_TLS_DHE_RSA_WITH_SEED_CBC_SHA,
http2cipher_TLS_DH_anon_WITH_SEED_CBC_SHA,
http2cipher_TLS_RSA_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_RSA_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_DH_RSA_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_DH_RSA_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_DH_DSS_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_DH_DSS_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_DH_anon_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_DH_anon_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_PSK_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_PSK_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_RSA_PSK_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_PSK_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_PSK_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_PSK_WITH_NULL_SHA256,
http2cipher_TLS_PSK_WITH_NULL_SHA384,
http2cipher_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA256,
http2cipher_TLS_DHE_PSK_WITH_NULL_SHA384,
http2cipher_TLS_RSA_PSK_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA256,
http2cipher_TLS_RSA_PSK_WITH_NULL_SHA384,
http2cipher_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_DHE_DSS_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_CBC_SHA256,
http2cipher_TLS_EMPTY_RENEGOTIATION_INFO_SCSV,
http2cipher_TLS_ECDH_ECDSA_WITH_NULL_SHA,
http2cipher_TLS_ECDH_ECDSA_WITH_RC4_128_SHA,
http2cipher_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_NULL_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDH_RSA_WITH_NULL_SHA,
http2cipher_TLS_ECDH_RSA_WITH_RC4_128_SHA,
http2cipher_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDHE_RSA_WITH_NULL_SHA,
http2cipher_TLS_ECDHE_RSA_WITH_RC4_128_SHA,
http2cipher_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDH_anon_WITH_NULL_SHA,
http2cipher_TLS_ECDH_anon_WITH_RC4_128_SHA,
http2cipher_TLS_ECDH_anon_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDH_anon_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDH_anon_WITH_AES_256_CBC_SHA,
http2cipher_TLS_SRP_SHA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_SRP_SHA_RSA_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_SRP_SHA_DSS_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_SRP_SHA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_SRP_SHA_RSA_WITH_AES_128_CBC_SHA,
http2cipher_TLS_SRP_SHA_DSS_WITH_AES_128_CBC_SHA,
http2cipher_TLS_SRP_SHA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_SRP_SHA_RSA_WITH_AES_256_CBC_SHA,
http2cipher_TLS_SRP_SHA_DSS_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384,
http2cipher_TLS_ECDHE_PSK_WITH_RC4_128_SHA,
http2cipher_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA,
http2cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA,
http2cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA,
http2cipher_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256,
http2cipher_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384,
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA,
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA256,
http2cipher_TLS_ECDHE_PSK_WITH_NULL_SHA384,
http2cipher_TLS_RSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_RSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DH_DSS_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DH_DSS_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DH_RSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DH_RSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DHE_DSS_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DHE_DSS_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DHE_RSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DH_anon_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DH_anon_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_ECDHE_ECDSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_ECDHE_RSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_RSA_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_RSA_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_DH_RSA_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_DH_RSA_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_DH_DSS_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_DH_DSS_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_DH_anon_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_DH_anon_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_PSK_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_PSK_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_DHE_PSK_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_RSA_PSK_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_PSK_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_PSK_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_RSA_PSK_WITH_ARIA_128_GCM_SHA256,
http2cipher_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384,
http2cipher_TLS_ECDHE_PSK_WITH_ARIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384,
http2cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_RSA_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_DH_RSA_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_DH_DSS_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_DH_anon_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_PSK_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_GCM_SHA256,
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384,
http2cipher_TLS_PSK_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_DHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_128_CBC_SHA256,
http2cipher_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384,
http2cipher_TLS_RSA_WITH_AES_128_CCM,
http2cipher_TLS_RSA_WITH_AES_256_CCM,
http2cipher_TLS_RSA_WITH_AES_128_CCM_8,
http2cipher_TLS_RSA_WITH_AES_256_CCM_8,
http2cipher_TLS_PSK_WITH_AES_128_CCM,
http2cipher_TLS_PSK_WITH_AES_256_CCM,
http2cipher_TLS_PSK_WITH_AES_128_CCM_8,
http2cipher_TLS_PSK_WITH_AES_256_CCM_8:
return true
default:
return false
}
}
const (
http2prefaceTimeout = 10 * time.Second
http2firstSettingsTimeout = 2 * time.Second // should be in-flight with preface anyway
http2handlerChunkWriteSize = 4 << 10
http2defaultMaxStreams = 250 // TODO: make this 100 as the GFE seems to?
http2maxQueuedControlFrames = 10000
)
var (
errClientDisconnected = errors.New("client disconnected")
errClosedBody = errors.New("body closed by handler")
errHandlerComplete = errors.New("http2: request body closed due to handler exiting")
errStreamClosed = errors.New("http2: stream closed")
)
var http2responseWriterStatePool = sync.Pool{
New: func() interface{} {
rws := &http2responseWriterState{}
rws.bw = bufio.NewWriterSize(http2chunkWriter{rws}, http2handlerChunkWriteSize)
return rws
},
}
// Test hooks.
var (
http2testHookOnConn func()
http2testHookGetServerConn func(*http2serverConn)
http2testHookOnPanicMu *sync.Mutex // nil except in tests
http2testHookOnPanic func(sc *http2serverConn, panicVal interface{}) (rePanic bool)
)
// Server is an HTTP/2 server.
type http2Server struct {
// MaxHandlers limits the number of http.Handler ServeHTTP goroutines
// which may run at a time over all connections.
// Negative or zero no limit.
// TODO: implement
MaxHandlers int
// MaxConcurrentStreams optionally specifies the number of
// concurrent streams that each client may have open at a
// time. This is unrelated to the number of http.Handler goroutines
// which may be active globally, which is MaxHandlers.
// If zero, MaxConcurrentStreams defaults to at least 100, per
// the HTTP/2 spec's recommendations.
MaxConcurrentStreams uint32
// MaxReadFrameSize optionally specifies the largest frame
// this server is willing to read. A valid value is between
// 16k and 16M, inclusive. If zero or otherwise invalid, a
// default value is used.
MaxReadFrameSize uint32
// PermitProhibitedCipherSuites, if true, permits the use of
// cipher suites prohibited by the HTTP/2 spec.
PermitProhibitedCipherSuites bool
// IdleTimeout specifies how long until idle clients should be
// closed with a GOAWAY frame. PING frames are not considered
// activity for the purposes of IdleTimeout.
IdleTimeout time.Duration
// MaxUploadBufferPerConnection is the size of the initial flow
// control window for each connections. The HTTP/2 spec does not
// allow this to be smaller than 65535 or larger than 2^32-1.
// If the value is outside this range, a default value will be
// used instead.
MaxUploadBufferPerConnection int32
// MaxUploadBufferPerStream is the size of the initial flow control
// window for each stream. The HTTP/2 spec does not allow this to
// be larger than 2^32-1. If the value is zero or larger than the
// maximum, a default value will be used instead.
MaxUploadBufferPerStream int32
// NewWriteScheduler constructs a write scheduler for a connection.
// If nil, a default scheduler is chosen.
NewWriteScheduler func() http2WriteScheduler
// CountError, if non-nil, is called on HTTP/2 server errors.
// It's intended to increment a metric for monitoring, such
// as an expvar or Prometheus metric.
// The errType consists of only ASCII word characters.
CountError func(errType string)
// Internal state. This is a pointer (rather than embedded directly)
// so that we don't embed a Mutex in this struct, which will make the
// struct non-copyable, which might break some callers.
state *http2serverInternalState
}
func (s *http2Server) initialConnRecvWindowSize() int32 {
if s.MaxUploadBufferPerConnection > http2initialWindowSize {
return s.MaxUploadBufferPerConnection
}
return 1 << 20
}
func (s *http2Server) initialStreamRecvWindowSize() int32 {
if s.MaxUploadBufferPerStream > 0 {
return s.MaxUploadBufferPerStream
}
return 1 << 20
}
func (s *http2Server) maxReadFrameSize() uint32 {
if v := s.MaxReadFrameSize; v >= http2minMaxFrameSize && v <= http2maxFrameSize {
return v
}
return http2defaultMaxReadFrameSize
}
func (s *http2Server) maxConcurrentStreams() uint32 {
if v := s.MaxConcurrentStreams; v > 0 {
return v
}
return http2defaultMaxStreams
}
// maxQueuedControlFrames is the maximum number of control frames like
// SETTINGS, PING and RST_STREAM that will be queued for writing before
// the connection is closed to prevent memory exhaustion attacks.
func (s *http2Server) maxQueuedControlFrames() int {
// TODO: if anybody asks, add a Server field, and remember to define the
// behavior of negative values.
return http2maxQueuedControlFrames
}
// ServeConn serves HTTP/2 requests on the provided connection and
// blocks until the connection is no longer readable.
//
// ServeConn starts speaking HTTP/2 assuming that c has not had any
// reads or writes. It writes its initial settings frame and expects
// to be able to read the preface and settings frame from the
// client. If c has a ConnectionState method like a *tls.Conn, the
// ConnectionState is used to verify the TLS ciphersuite and to set
// the Request.TLS field in Handlers.
//
// ServeConn does not support h2c by itself. Any h2c support must be
// implemented in terms of providing a suitably-behaving net.Conn.
//
// The opts parameter is optional. If nil, default values are used.
func (s *http2Server) ServeConn(c net.Conn, opts *http2ServeConnOpts) {
baseCtx, cancel := http2serverConnBaseContext(c, opts)
defer cancel()
sc := &http2serverConn{
srv: s,
hs: opts.baseConfig(),
conn: c,
baseCtx: baseCtx,
remoteAddrStr: c.RemoteAddr().String(),
bw: http2newBufferedWriter(c),
handler: opts.handler(),
streams: make(map[uint32]*http2stream),
readFrameCh: make(chan http2readFrameResult),
wantWriteFrameCh: make(chan http2FrameWriteRequest, 8),
serveMsgCh: make(chan interface{}, 8),
wroteFrameCh: make(chan http2frameWriteResult, 1), // buffered; one send in writeFrameAsync
bodyReadCh: make(chan http2bodyReadMsg), // buffering doesn't matter either way
doneServing: make(chan struct{}),
clientMaxStreams: math.MaxUint32, // Section 6.5.2: "Initially, there is no limit to this value"
advMaxStreams: s.maxConcurrentStreams(),
initialStreamSendWindowSize: http2initialWindowSize,
maxFrameSize: http2initialMaxFrameSize,
headerTableSize: http2initialHeaderTableSize,
serveG: http2newGoroutineLock(),
pushEnabled: true,
}
s.state.registerConn(sc)
defer s.state.unregisterConn(sc)
// The net/http package sets the write deadline from the
// http.Server.WriteTimeout during the TLS handshake, but then
// passes the connection off to us with the deadline already set.
// Write deadlines are set per stream in serverConn.newStream.
// Disarm the net.Conn write deadline here.
if sc.hs.WriteTimeout != 0 {
sc.conn.SetWriteDeadline(time.Time{})
}
if s.NewWriteScheduler != nil {
sc.writeSched = s.NewWriteScheduler()
} else {
sc.writeSched = http2NewRandomWriteScheduler()
}
// These start at the RFC-specified defaults. If there is a higher
// configured value for inflow, that will be updated when we send a
// WINDOW_UPDATE shortly after sending SETTINGS.
sc.flow.add(http2initialWindowSize)
sc.inflow.add(http2initialWindowSize)
sc.hpackEncoder = hpack.NewEncoder(&sc.headerWriteBuf)
fr := http2NewFramer(sc.bw, c)
fr.ReadMetaHeaders = hpack.NewDecoder(http2initialHeaderTableSize, nil)
fr.MaxHeaderListSize = sc.maxHeaderListSize()
fr.SetMaxReadFrameSize(s.maxReadFrameSize())
sc.framer = fr
if tc, ok := c.(http2connectionStater); ok {
sc.tlsState = new(tls.ConnectionState)
*sc.tlsState = tc.ConnectionState()
// 9.2 Use of TLS Features
// An implementation of HTTP/2 over TLS MUST use TLS
// 1.2 or higher with the restrictions on feature set
// and cipher suite described in this section. Due to
// implementation limitations, it might not be
// possible to fail TLS negotiation. An endpoint MUST
// immediately terminate an HTTP/2 connection that
// does not meet the TLS requirements described in
// this section with a connection error (Section
// 5.4.1) of type INADEQUATE_SECURITY.
if sc.tlsState.Version < tls.VersionTLS12 {
sc.rejectConn(http2ErrCodeInadequateSecurity, "TLS version too low")
return
}
if sc.tlsState.ServerName == "" {
// Client must use SNI, but we don't enforce that anymore,
// since it was causing problems when connecting to bare IP
// addresses during development.
//
// TODO: optionally enforce? Or enforce at the time we receive
// a new request, and verify the ServerName matches the :authority?
// But that precludes proxy situations, perhaps.
//
// So for now, do nothing here again.
}
if !s.PermitProhibitedCipherSuites && http2isBadCipher(sc.tlsState.CipherSuite) {
// "Endpoints MAY choose to generate a connection error
// (Section 5.4.1) of type INADEQUATE_SECURITY if one of
// the prohibited cipher suites are negotiated."
//
// We choose that. In my opinion, the spec is weak
// here. It also says both parties must support at least
// TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 so there's no
// excuses here. If we really must, we could allow an
// "AllowInsecureWeakCiphers" option on the server later.
// Let's see how it plays out first.
sc.rejectConn(http2ErrCodeInadequateSecurity, fmt.Sprintf("Prohibited TLS 1.2 Cipher Suite: %x", sc.tlsState.CipherSuite))
return
}
}
if hook := http2testHookGetServerConn; hook != nil {
hook(sc)
}
sc.serve()
}
type http2serverInternalState struct {
mu sync.Mutex
activeConns map[*http2serverConn]struct{}
}
func (s *http2serverInternalState) registerConn(sc *http2serverConn) {
if s == nil {
return // if the Server was used without calling ConfigureServer
}
s.mu.Lock()
s.activeConns[sc] = struct{}{}
s.mu.Unlock()
}
func (s *http2serverInternalState) unregisterConn(sc *http2serverConn) {
if s == nil {
return // if the Server was used without calling ConfigureServer
}
s.mu.Lock()
delete(s.activeConns, sc)
s.mu.Unlock()
}
func (s *http2serverInternalState) startGracefulShutdown() {
if s == nil {
return // if the Server was used without calling ConfigureServer
}
s.mu.Lock()
for sc := range s.activeConns {
sc.startGracefulShutdown()
}
s.mu.Unlock()
}
// ServeConnOpts are options for the Server.ServeConn method.
type http2ServeConnOpts struct {
// Context is the base context to use.
// If nil, context.Background is used.
Context context.Context
// BaseConfig optionally sets the base configuration
// for values. If nil, defaults are used.
BaseConfig *http.Server
// Handler specifies which handler to use for processing
// requests. If nil, BaseConfig.Handler is used. If BaseConfig
// or BaseConfig.Handler is nil, http.DefaultServeMux is used.
Handler http.Handler
}
func (o *http2ServeConnOpts) context() context.Context {
if o != nil && o.Context != nil {
return o.Context
}
return context.Background()
}
func (o *http2ServeConnOpts) baseConfig() *http.Server {
if o != nil && o.BaseConfig != nil {
return o.BaseConfig
}
return new(http.Server)
}
func (o *http2ServeConnOpts) handler() http.Handler {
if o != nil {
if o.Handler != nil {
return o.Handler
}
if o.BaseConfig != nil && o.BaseConfig.Handler != nil {
return o.BaseConfig.Handler
}
}
return http.DefaultServeMux
}
func http2serverConnBaseContext(c net.Conn, opts *http2ServeConnOpts) (ctx context.Context, cancel func()) {
ctx, cancel = context.WithCancel(opts.context())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
// bufferedWriter is a buffered writer that writes to w.
// Its buffered writer is lazily allocated as needed, to minimize
// idle memory usage with many connections.
type http2bufferedWriter struct {
_ http2incomparable
w io.Writer // immutable
bw *bufio.Writer // non-nil when data is buffered
}
func http2newBufferedWriter(w io.Writer) *http2bufferedWriter {
return &http2bufferedWriter{w: w}
}
func (w *http2bufferedWriter) Available() int {
if w.bw == nil {
return http2bufWriterPoolBufferSize
}
return w.bw.Available()
}
func (w *http2bufferedWriter) Write(p []byte) (n int, err error) {
if w.bw == nil {
bw := http2bufWriterPool.Get().(*bufio.Writer)
bw.Reset(w.w)
w.bw = bw
}
return w.bw.Write(p)
}
func (w *http2bufferedWriter) Flush() error {
bw := w.bw
if bw == nil {
return nil
}
err := bw.Flush()
bw.Reset(nil)
http2bufWriterPool.Put(bw)
w.bw = nil
return err
}
func (sc *http2serverConn) rejectConn(err http2ErrCode, debug string) {
sc.vlogf("http2: server rejecting conn: %v, %s", err, debug)
// ignoring errors. hanging up anyway.
sc.framer.WriteGoAway(0, err, []byte(debug))
sc.bw.Flush()
sc.conn.Close()
}
type http2serverConn struct {
// Immutable:
srv *http2Server