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提交 91b1155a 编写于 作者: M Matt Rickard
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Remove unused vendored packages 

These were referenced by kube2sky and our dns implementation
上级 7560384f
展开全部 隐藏空白更改
内联 并排
Showing with 0 addition and 23525 deletion
Godeps/Godeps.json
浏览文件 @ 91b1155a
......@@ -565,11 +565,6 @@
"Comment": "v3.0.6",
"Rev": "9efa00d1030d4bf62eb8e5ec130023aeb1b8e2d0"
},
{
"ImportPath": "github.com/coreos/go-etcd/etcd",
"Comment": "v2.0.0-38-g003851b",
"Rev": "003851be7bb0694fe3cc457a49529a19388ee7cf"
},
{
"ImportPath": "github.com/coreos/go-oidc/http",
"Rev": "5cf2aa52da8c574d3aa4458f471ad6ae2240fe6b"
......@@ -594,11 +589,6 @@
"ImportPath": "github.com/coreos/go-semver/semver",
"Rev": "568e959cd89871e61434c1143528d9162da89ef2"
},
{
"ImportPath": "github.com/coreos/go-systemd/activation",
"Comment": "v8-2-g4484981",
"Rev": "4484981625c1a6a2ecb40a390fcb6a9bcfee76e3"
},
{
"ImportPath": "github.com/coreos/go-systemd/daemon",
"Comment": "v8-2-g4484981",
......@@ -1478,10 +1468,6 @@
"Comment": "before-0.26-protos-33-g45c8b08",
"Rev": "45c8b08e9af666add36a6f93ff8c1c75812367b0"
},
{
"ImportPath": "github.com/miekg/dns",
"Rev": "5d001d020961ae1c184f9f8152fdc73810481677"
},
{
"ImportPath": "github.com/mistifyio/go-zfs",
"Comment": "v2.1.1-5-g1b4ae6f",
......@@ -1818,36 +1804,6 @@
"ImportPath": "github.com/shurcooL/sanitized_anchor_name",
"Rev": "10ef21a441db47d8b13ebcc5fd2310f636973c77"
},
{
"ImportPath": "github.com/skynetservices/skydns/backends/etcd",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/skynetservices/skydns/cache",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/skynetservices/skydns/metrics",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/skynetservices/skydns/msg",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/skynetservices/skydns/server",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/skynetservices/skydns/singleflight",
"Comment": "2.5.3a-41-g00ade30",
"Rev": "00ade3024f047d26130abf161900e0adb72a06f1"
},
{
"ImportPath": "github.com/spf13/afero",
"Rev": "52e4a6cfac46163658bd4f123c49b6ee7dc75f78"
......
vendor/github.com/coreos/go-etcd/LICENSE 已删除 100644 → 0
浏览文件 @ 7560384f
Apache License
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vendor/github.com/coreos/go-etcd/etcd/add_child.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
// Add a new directory with a random etcd-generated key under the given path.
func (c *Client) AddChildDir(key string, ttl uint64) (*Response, error) {
raw, err := c.post(key, "", ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// Add a new file with a random etcd-generated key under the given path.
func (c *Client) AddChild(key string, value string, ttl uint64) (*Response, error) {
raw, err := c.post(key, value, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
vendor/github.com/coreos/go-etcd/etcd/client.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"crypto/tls"
"crypto/x509"
"encoding/json"
"errors"
"io"
"io/ioutil"
"math/rand"
"net"
"net/http"
"net/url"
"os"
"path"
"strings"
"time"
)
// See SetConsistency for how to use these constants.
const (
// Using strings rather than iota because the consistency level
// could be persisted to disk, so it'd be better to use
// human-readable values.
STRONG_CONSISTENCY = "STRONG"
WEAK_CONSISTENCY = "WEAK"
)
const (
defaultBufferSize = 10
)
func init() {
rand.Seed(int64(time.Now().Nanosecond()))
}
type Config struct {
CertFile string `json:"certFile"`
KeyFile string `json:"keyFile"`
CaCertFile []string `json:"caCertFiles"`
DialTimeout time.Duration `json:"timeout"`
Consistency string `json:"consistency"`
}
type credentials struct {
username string
password string
}
type Client struct {
config Config `json:"config"`
cluster *Cluster `json:"cluster"`
httpClient *http.Client
credentials *credentials
transport *http.Transport
persistence io.Writer
cURLch chan string
// CheckRetry can be used to control the policy for failed requests
// and modify the cluster if needed.
// The client calls it before sending requests again, and
// stops retrying if CheckRetry returns some error. The cases that
// this function needs to handle include no response and unexpected
// http status code of response.
// If CheckRetry is nil, client will call the default one
// `DefaultCheckRetry`.
// Argument cluster is the etcd.Cluster object that these requests have been made on.
// Argument numReqs is the number of http.Requests that have been made so far.
// Argument lastResp is the http.Responses from the last request.
// Argument err is the reason of the failure.
CheckRetry func(cluster *Cluster, numReqs int,
lastResp http.Response, err error) error
}
// NewClient create a basic client that is configured to be used
// with the given machine list.
func NewClient(machines []string) *Client {
config := Config{
// default timeout is one second
DialTimeout: time.Second,
Consistency: WEAK_CONSISTENCY,
}
client := &Client{
cluster: NewCluster(machines),
config: config,
}
client.initHTTPClient()
client.saveConfig()
return client
}
// NewTLSClient create a basic client with TLS configuration
func NewTLSClient(machines []string, cert, key, caCert string) (*Client, error) {
// overwrite the default machine to use https
if len(machines) == 0 {
machines = []string{"https://127.0.0.1:4001"}
}
config := Config{
// default timeout is one second
DialTimeout: time.Second,
Consistency: WEAK_CONSISTENCY,
CertFile: cert,
KeyFile: key,
CaCertFile: make([]string, 0),
}
client := &Client{
cluster: NewCluster(machines),
config: config,
}
err := client.initHTTPSClient(cert, key)
if err != nil {
return nil, err
}
err = client.AddRootCA(caCert)
client.saveConfig()
return client, nil
}
// NewClientFromFile creates a client from a given file path.
// The given file is expected to use the JSON format.
func NewClientFromFile(fpath string) (*Client, error) {
fi, err := os.Open(fpath)
if err != nil {
return nil, err
}
defer func() {
if err := fi.Close(); err != nil {
panic(err)
}
}()
return NewClientFromReader(fi)
}
// NewClientFromReader creates a Client configured from a given reader.
// The configuration is expected to use the JSON format.
func NewClientFromReader(reader io.Reader) (*Client, error) {
c := new(Client)
b, err := ioutil.ReadAll(reader)
if err != nil {
return nil, err
}
err = json.Unmarshal(b, c)
if err != nil {
return nil, err
}
if c.config.CertFile == "" {
c.initHTTPClient()
} else {
err = c.initHTTPSClient(c.config.CertFile, c.config.KeyFile)
}
if err != nil {
return nil, err
}
for _, caCert := range c.config.CaCertFile {
if err := c.AddRootCA(caCert); err != nil {
return nil, err
}
}
return c, nil
}
// Override the Client's HTTP Transport object
func (c *Client) SetTransport(tr *http.Transport) {
c.httpClient.Transport = tr
c.transport = tr
}
func (c *Client) SetCredentials(username, password string) {
c.credentials = &credentials{username, password}
}
func (c *Client) Close() {
c.transport.DisableKeepAlives = true
c.transport.CloseIdleConnections()
}
// initHTTPClient initializes a HTTP client for etcd client
func (c *Client) initHTTPClient() {
c.transport = &http.Transport{
Dial: c.DefaultDial,
TLSClientConfig: &tls.Config{
InsecureSkipVerify: true,
},
}
c.httpClient = &http.Client{Transport: c.transport}
}
// initHTTPClient initializes a HTTPS client for etcd client
func (c *Client) initHTTPSClient(cert, key string) error {
if cert == "" || key == "" {
return errors.New("Require both cert and key path")
}
tlsCert, err := tls.LoadX509KeyPair(cert, key)
if err != nil {
return err
}
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{tlsCert},
InsecureSkipVerify: true,
}
c.transport = &http.Transport{
TLSClientConfig: tlsConfig,
Dial: c.DefaultDial,
}
c.httpClient = &http.Client{Transport: c.transport}
return nil
}
// SetPersistence sets a writer to which the config will be
// written every time it's changed.
func (c *Client) SetPersistence(writer io.Writer) {
c.persistence = writer
}
// SetConsistency changes the consistency level of the client.
//
// When consistency is set to STRONG_CONSISTENCY, all requests,
// including GET, are sent to the leader. This means that, assuming
// the absence of leader failures, GET requests are guaranteed to see
// the changes made by previous requests.
//
// When consistency is set to WEAK_CONSISTENCY, other requests
// are still sent to the leader, but GET requests are sent to a
// random server from the server pool. This reduces the read
// load on the leader, but it's not guaranteed that the GET requests
// will see changes made by previous requests (they might have not
// yet been committed on non-leader servers).
func (c *Client) SetConsistency(consistency string) error {
if !(consistency == STRONG_CONSISTENCY || consistency == WEAK_CONSISTENCY) {
return errors.New("The argument must be either STRONG_CONSISTENCY or WEAK_CONSISTENCY.")
}
c.config.Consistency = consistency
return nil
}
// Sets the DialTimeout value
func (c *Client) SetDialTimeout(d time.Duration) {
c.config.DialTimeout = d
}
// AddRootCA adds a root CA cert for the etcd client
func (c *Client) AddRootCA(caCert string) error {
if c.httpClient == nil {
return errors.New("Client has not been initialized yet!")
}
certBytes, err := ioutil.ReadFile(caCert)
if err != nil {
return err
}
tr, ok := c.httpClient.Transport.(*http.Transport)
if !ok {
panic("AddRootCA(): Transport type assert should not fail")
}
if tr.TLSClientConfig.RootCAs == nil {
caCertPool := x509.NewCertPool()
ok = caCertPool.AppendCertsFromPEM(certBytes)
if ok {
tr.TLSClientConfig.RootCAs = caCertPool
}
tr.TLSClientConfig.InsecureSkipVerify = false
} else {
ok = tr.TLSClientConfig.RootCAs.AppendCertsFromPEM(certBytes)
}
if !ok {
err = errors.New("Unable to load caCert")
}
c.config.CaCertFile = append(c.config.CaCertFile, caCert)
c.saveConfig()
return err
}
// SetCluster updates cluster information using the given machine list.
func (c *Client) SetCluster(machines []string) bool {
success := c.internalSyncCluster(machines)
return success
}
func (c *Client) GetCluster() []string {
return c.cluster.Machines
}
// SyncCluster updates the cluster information using the internal machine list.
// If no members are found, the intenral machine list is left untouched.
func (c *Client) SyncCluster() bool {
return c.internalSyncCluster(c.cluster.Machines)
}
// internalSyncCluster syncs cluster information using the given machine list.
func (c *Client) internalSyncCluster(machines []string) bool {
// comma-separated list of machines in the cluster.
members := ""
for _, machine := range machines {
httpPath := c.createHttpPath(machine, path.Join(version, "members"))
resp, err := c.httpClient.Get(httpPath)
if err != nil {
// try another machine in the cluster
continue
}
if resp.StatusCode != http.StatusOK { // fall-back to old endpoint
httpPath := c.createHttpPath(machine, path.Join(version, "machines"))
resp, err := c.httpClient.Get(httpPath)
if err != nil {
// try another machine in the cluster
continue
}
b, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
// try another machine in the cluster
continue
}
members = string(b)
} else {
b, err := ioutil.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
// try another machine in the cluster
continue
}
var mCollection memberCollection
if err := json.Unmarshal(b, &mCollection); err != nil {
// try another machine
continue
}
urls := make([]string, 0)
for _, m := range mCollection {
urls = append(urls, m.ClientURLs...)
}
members = strings.Join(urls, ",")
}
// We should never do an empty cluster update.
if members == "" {
continue
}
// update Machines List
c.cluster.updateFromStr(members)
logger.Debug("sync.machines ", c.cluster.Machines)
c.saveConfig()
return true
}
return false
}
// createHttpPath creates a complete HTTP URL.
// serverName should contain both the host name and a port number, if any.
func (c *Client) createHttpPath(serverName string, _path string) string {
u, err := url.Parse(serverName)
if err != nil {
panic(err)
}
u.Path = path.Join(u.Path, _path)
if u.Scheme == "" {
u.Scheme = "http"
}
return u.String()
}
// DefaultDial attempts to open a TCP connection to the provided address, explicitly
// enabling keep-alives with a one-second interval.
func (c *Client) DefaultDial(network, addr string) (net.Conn, error) {
dialer := net.Dialer{
Timeout: c.config.DialTimeout,
KeepAlive: time.Second,
}
return dialer.Dial(network, addr)
}
func (c *Client) OpenCURL() {
c.cURLch = make(chan string, defaultBufferSize)
}
func (c *Client) CloseCURL() {
c.cURLch = nil
}
func (c *Client) sendCURL(command string) {
go func() {
select {
case c.cURLch <- command:
default:
}
}()
}
func (c *Client) RecvCURL() string {
return <-c.cURLch
}
// saveConfig saves the current config using c.persistence.
func (c *Client) saveConfig() error {
if c.persistence != nil {
b, err := json.Marshal(c)
if err != nil {
return err
}
_, err = c.persistence.Write(b)
if err != nil {
return err
}
}
return nil
}
// MarshalJSON implements the Marshaller interface
// as defined by the standard JSON package.
func (c *Client) MarshalJSON() ([]byte, error) {
b, err := json.Marshal(struct {
Config Config `json:"config"`
Cluster *Cluster `json:"cluster"`
}{
Config: c.config,
Cluster: c.cluster,
})
if err != nil {
return nil, err
}
return b, nil
}
// UnmarshalJSON implements the Unmarshaller interface
// as defined by the standard JSON package.
func (c *Client) UnmarshalJSON(b []byte) error {
temp := struct {
Config Config `json:"config"`
Cluster *Cluster `json:"cluster"`
}{}
err := json.Unmarshal(b, &temp)
if err != nil {
return err
}
c.cluster = temp.Cluster
c.config = temp.Config
return nil
}
vendor/github.com/coreos/go-etcd/etcd/cluster.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"math/rand"
"strings"
"sync"
)
type Cluster struct {
Leader string `json:"leader"`
Machines []string `json:"machines"`
picked int
mu sync.RWMutex
}
func NewCluster(machines []string) *Cluster {
// if an empty slice was sent in then just assume HTTP 4001 on localhost
if len(machines) == 0 {
machines = []string{"http://127.0.0.1:4001"}
}
machines = shuffleStringSlice(machines)
logger.Debug("Shuffle cluster machines", machines)
// default leader and machines
return &Cluster{
Leader: "",
Machines: machines,
picked: rand.Intn(len(machines)),
}
}
func (cl *Cluster) failure() {
cl.mu.Lock()
defer cl.mu.Unlock()
cl.picked = (cl.picked + 1) % len(cl.Machines)
}
func (cl *Cluster) pick() string {
cl.mu.Lock()
defer cl.mu.Unlock()
return cl.Machines[cl.picked]
}
func (cl *Cluster) updateFromStr(machines string) {
cl.mu.Lock()
defer cl.mu.Unlock()
cl.Machines = strings.Split(machines, ",")
for i := range cl.Machines {
cl.Machines[i] = strings.TrimSpace(cl.Machines[i])
}
cl.Machines = shuffleStringSlice(cl.Machines)
cl.picked = rand.Intn(len(cl.Machines))
}
vendor/github.com/coreos/go-etcd/etcd/compare_and_delete.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import "fmt"
func (c *Client) CompareAndDelete(key string, prevValue string, prevIndex uint64) (*Response, error) {
raw, err := c.RawCompareAndDelete(key, prevValue, prevIndex)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawCompareAndDelete(key string, prevValue string, prevIndex uint64) (*RawResponse, error) {
if prevValue == "" && prevIndex == 0 {
return nil, fmt.Errorf("You must give either prevValue or prevIndex.")
}
options := Options{}
if prevValue != "" {
options["prevValue"] = prevValue
}
if prevIndex != 0 {
options["prevIndex"] = prevIndex
}
raw, err := c.delete(key, options)
if err != nil {
return nil, err
}
return raw, err
}
vendor/github.com/coreos/go-etcd/etcd/compare_and_swap.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import "fmt"
func (c *Client) CompareAndSwap(key string, value string, ttl uint64,
prevValue string, prevIndex uint64) (*Response, error) {
raw, err := c.RawCompareAndSwap(key, value, ttl, prevValue, prevIndex)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawCompareAndSwap(key string, value string, ttl uint64,
prevValue string, prevIndex uint64) (*RawResponse, error) {
if prevValue == "" && prevIndex == 0 {
return nil, fmt.Errorf("You must give either prevValue or prevIndex.")
}
options := Options{}
if prevValue != "" {
options["prevValue"] = prevValue
}
if prevIndex != 0 {
options["prevIndex"] = prevIndex
}
raw, err := c.put(key, value, ttl, options)
if err != nil {
return nil, err
}
return raw, err
}
vendor/github.com/coreos/go-etcd/etcd/debug.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"fmt"
"io/ioutil"
"log"
"strings"
)
var logger *etcdLogger
func SetLogger(l *log.Logger) {
logger = &etcdLogger{l}
}
func GetLogger() *log.Logger {
return logger.log
}
type etcdLogger struct {
log *log.Logger
}
func (p *etcdLogger) Debug(args ...interface{}) {
msg := "DEBUG: " + fmt.Sprint(args...)
p.log.Println(msg)
}
func (p *etcdLogger) Debugf(f string, args ...interface{}) {
msg := "DEBUG: " + fmt.Sprintf(f, args...)
// Append newline if necessary
if !strings.HasSuffix(msg, "\n") {
msg = msg + "\n"
}
p.log.Print(msg)
}
func (p *etcdLogger) Warning(args ...interface{}) {
msg := "WARNING: " + fmt.Sprint(args...)
p.log.Println(msg)
}
func (p *etcdLogger) Warningf(f string, args ...interface{}) {
msg := "WARNING: " + fmt.Sprintf(f, args...)
// Append newline if necessary
if !strings.HasSuffix(msg, "\n") {
msg = msg + "\n"
}
p.log.Print(msg)
}
func init() {
// Default logger uses the go default log.
SetLogger(log.New(ioutil.Discard, "go-etcd", log.LstdFlags))
}
vendor/github.com/coreos/go-etcd/etcd/delete.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
// Delete deletes the given key.
//
// When recursive set to false, if the key points to a
// directory the method will fail.
//
// When recursive set to true, if the key points to a file,
// the file will be deleted; if the key points to a directory,
// then everything under the directory (including all child directories)
// will be deleted.
func (c *Client) Delete(key string, recursive bool) (*Response, error) {
raw, err := c.RawDelete(key, recursive, false)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// DeleteDir deletes an empty directory or a key value pair
func (c *Client) DeleteDir(key string) (*Response, error) {
raw, err := c.RawDelete(key, false, true)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawDelete(key string, recursive bool, dir bool) (*RawResponse, error) {
ops := Options{
"recursive": recursive,
"dir": dir,
}
return c.delete(key, ops)
}
vendor/github.com/coreos/go-etcd/etcd/error.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"encoding/json"
"fmt"
)
const (
ErrCodeEtcdNotReachable = 501
ErrCodeUnhandledHTTPStatus = 502
)
var (
errorMap = map[int]string{
ErrCodeEtcdNotReachable: "All the given peers are not reachable",
}
)
type EtcdError struct {
ErrorCode int `json:"errorCode"`
Message string `json:"message"`
Cause string `json:"cause,omitempty"`
Index uint64 `json:"index"`
}
func (e EtcdError) Error() string {
return fmt.Sprintf("%v: %v (%v) [%v]", e.ErrorCode, e.Message, e.Cause, e.Index)
}
func newError(errorCode int, cause string, index uint64) *EtcdError {
return &EtcdError{
ErrorCode: errorCode,
Message: errorMap[errorCode],
Cause: cause,
Index: index,
}
}
func handleError(b []byte) error {
etcdErr := new(EtcdError)
err := json.Unmarshal(b, etcdErr)
if err != nil {
logger.Warningf("cannot unmarshal etcd error: %v", err)
return err
}
return etcdErr
}
vendor/github.com/coreos/go-etcd/etcd/get.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
// Get gets the file or directory associated with the given key.
// If the key points to a directory, files and directories under
// it will be returned in sorted or unsorted order, depending on
// the sort flag.
// If recursive is set to false, contents under child directories
// will not be returned.
// If recursive is set to true, all the contents will be returned.
func (c *Client) Get(key string, sort, recursive bool) (*Response, error) {
raw, err := c.RawGet(key, sort, recursive)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawGet(key string, sort, recursive bool) (*RawResponse, error) {
var q bool
if c.config.Consistency == STRONG_CONSISTENCY {
q = true
}
ops := Options{
"recursive": recursive,
"sorted": sort,
"quorum": q,
}
return c.get(key, ops)
}
vendor/github.com/coreos/go-etcd/etcd/member.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import "encoding/json"
type Member struct {
ID string `json:"id"`
Name string `json:"name"`
PeerURLs []string `json:"peerURLs"`
ClientURLs []string `json:"clientURLs"`
}
type memberCollection []Member
func (c *memberCollection) UnmarshalJSON(data []byte) error {
d := struct {
Members []Member
}{}
if err := json.Unmarshal(data, &d); err != nil {
return err
}
if d.Members == nil {
*c = make([]Member, 0)
return nil
}
*c = d.Members
return nil
}
vendor/github.com/coreos/go-etcd/etcd/options.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"fmt"
"net/url"
"reflect"
)
type Options map[string]interface{}
// An internally-used data structure that represents a mapping
// between valid options and their kinds
type validOptions map[string]reflect.Kind
// Valid options for GET, PUT, POST, DELETE
// Using CAPITALIZED_UNDERSCORE to emphasize that these
// values are meant to be used as constants.
var (
VALID_GET_OPTIONS = validOptions{
"recursive": reflect.Bool,
"quorum": reflect.Bool,
"sorted": reflect.Bool,
"wait": reflect.Bool,
"waitIndex": reflect.Uint64,
}
VALID_PUT_OPTIONS = validOptions{
"prevValue": reflect.String,
"prevIndex": reflect.Uint64,
"prevExist": reflect.Bool,
"dir": reflect.Bool,
}
VALID_POST_OPTIONS = validOptions{}
VALID_DELETE_OPTIONS = validOptions{
"recursive": reflect.Bool,
"dir": reflect.Bool,
"prevValue": reflect.String,
"prevIndex": reflect.Uint64,
}
)
// Convert options to a string of HTML parameters
func (ops Options) toParameters(validOps validOptions) (string, error) {
p := "?"
values := url.Values{}
if ops == nil {
return "", nil
}
for k, v := range ops {
// Check if the given option is valid (that it exists)
kind := validOps[k]
if kind == reflect.Invalid {
return "", fmt.Errorf("Invalid option: %v", k)
}
// Check if the given option is of the valid type
t := reflect.TypeOf(v)
if kind != t.Kind() {
return "", fmt.Errorf("Option %s should be of %v kind, not of %v kind.",
k, kind, t.Kind())
}
values.Set(k, fmt.Sprintf("%v", v))
}
p += values.Encode()
return p, nil
}
vendor/github.com/coreos/go-etcd/etcd/requests.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
import (
"errors"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"path"
"strings"
"sync"
"time"
)
// Errors introduced by handling requests
var (
ErrRequestCancelled = errors.New("sending request is cancelled")
)
type RawRequest struct {
Method string
RelativePath string
Values url.Values
Cancel <-chan bool
}
// NewRawRequest returns a new RawRequest
func NewRawRequest(method, relativePath string, values url.Values, cancel <-chan bool) *RawRequest {
return &RawRequest{
Method: method,
RelativePath: relativePath,
Values: values,
Cancel: cancel,
}
}
// getCancelable issues a cancelable GET request
func (c *Client) getCancelable(key string, options Options,
cancel <-chan bool) (*RawResponse, error) {
logger.Debugf("get %s [%s]", key, c.cluster.pick())
p := keyToPath(key)
str, err := options.toParameters(VALID_GET_OPTIONS)
if err != nil {
return nil, err
}
p += str
req := NewRawRequest("GET", p, nil, cancel)
resp, err := c.SendRequest(req)
if err != nil {
return nil, err
}
return resp, nil
}
// get issues a GET request
func (c *Client) get(key string, options Options) (*RawResponse, error) {
return c.getCancelable(key, options, nil)
}
// put issues a PUT request
func (c *Client) put(key string, value string, ttl uint64,
options Options) (*RawResponse, error) {
logger.Debugf("put %s, %s, ttl: %d, [%s]", key, value, ttl, c.cluster.pick())
p := keyToPath(key)
str, err := options.toParameters(VALID_PUT_OPTIONS)
if err != nil {
return nil, err
}
p += str
req := NewRawRequest("PUT", p, buildValues(value, ttl), nil)
resp, err := c.SendRequest(req)
if err != nil {
return nil, err
}
return resp, nil
}
// post issues a POST request
func (c *Client) post(key string, value string, ttl uint64) (*RawResponse, error) {
logger.Debugf("post %s, %s, ttl: %d, [%s]", key, value, ttl, c.cluster.pick())
p := keyToPath(key)
req := NewRawRequest("POST", p, buildValues(value, ttl), nil)
resp, err := c.SendRequest(req)
if err != nil {
return nil, err
}
return resp, nil
}
// delete issues a DELETE request
func (c *Client) delete(key string, options Options) (*RawResponse, error) {
logger.Debugf("delete %s [%s]", key, c.cluster.pick())
p := keyToPath(key)
str, err := options.toParameters(VALID_DELETE_OPTIONS)
if err != nil {
return nil, err
}
p += str
req := NewRawRequest("DELETE", p, nil, nil)
resp, err := c.SendRequest(req)
if err != nil {
return nil, err
}
return resp, nil
}
// SendRequest sends a HTTP request and returns a Response as defined by etcd
func (c *Client) SendRequest(rr *RawRequest) (*RawResponse, error) {
var req *http.Request
var resp *http.Response
var httpPath string
var err error
var respBody []byte
var numReqs = 1
checkRetry := c.CheckRetry
if checkRetry == nil {
checkRetry = DefaultCheckRetry
}
cancelled := make(chan bool, 1)
reqLock := new(sync.Mutex)
if rr.Cancel != nil {
cancelRoutine := make(chan bool)
defer close(cancelRoutine)
go func() {
select {
case <-rr.Cancel:
cancelled <- true
logger.Debug("send.request is cancelled")
case <-cancelRoutine:
return
}
// Repeat canceling request until this thread is stopped
// because we have no idea about whether it succeeds.
for {
reqLock.Lock()
c.httpClient.Transport.(*http.Transport).CancelRequest(req)
reqLock.Unlock()
select {
case <-time.After(100 * time.Millisecond):
case <-cancelRoutine:
return
}
}
}()
}
// If we connect to a follower and consistency is required, retry until
// we connect to a leader
sleep := 25 * time.Millisecond
maxSleep := time.Second
for attempt := 0; ; attempt++ {
if attempt > 0 {
select {
case <-cancelled:
return nil, ErrRequestCancelled
case <-time.After(sleep):
sleep = sleep * 2
if sleep > maxSleep {
sleep = maxSleep
}
}
}
logger.Debug("Connecting to etcd: attempt ", attempt+1, " for ", rr.RelativePath)
// get httpPath if not set
if httpPath == "" {
httpPath = c.getHttpPath(rr.RelativePath)
}
// Return a cURL command if curlChan is set
if c.cURLch != nil {
command := fmt.Sprintf("curl -X %s %s", rr.Method, httpPath)
for key, value := range rr.Values {
command += fmt.Sprintf(" -d %s=%s", key, value[0])
}
if c.credentials != nil {
command += fmt.Sprintf(" -u %s", c.credentials.username)
}
c.sendCURL(command)
}
logger.Debug("send.request.to ", httpPath, " | method ", rr.Method)
req, err := func() (*http.Request, error) {
reqLock.Lock()
defer reqLock.Unlock()
if rr.Values == nil {
if req, err = http.NewRequest(rr.Method, httpPath, nil); err != nil {
return nil, err
}
} else {
body := strings.NewReader(rr.Values.Encode())
if req, err = http.NewRequest(rr.Method, httpPath, body); err != nil {
return nil, err
}
req.Header.Set("Content-Type",
"application/x-www-form-urlencoded; param=value")
}
return req, nil
}()
if err != nil {
return nil, err
}
if c.credentials != nil {
req.SetBasicAuth(c.credentials.username, c.credentials.password)
}
resp, err = c.httpClient.Do(req)
// clear previous httpPath
httpPath = ""
defer func() {
if resp != nil {
resp.Body.Close()
}
}()
// If the request was cancelled, return ErrRequestCancelled directly
select {
case <-cancelled:
return nil, ErrRequestCancelled
default:
}
numReqs++
// network error, change a machine!
if err != nil {
logger.Debug("network error: ", err.Error())
lastResp := http.Response{}
if checkErr := checkRetry(c.cluster, numReqs, lastResp, err); checkErr != nil {
return nil, checkErr
}
c.cluster.failure()
continue
}
// if there is no error, it should receive response
logger.Debug("recv.response.from ", httpPath)
if validHttpStatusCode[resp.StatusCode] {
// try to read byte code and break the loop
respBody, err = ioutil.ReadAll(resp.Body)
if err == nil {
logger.Debug("recv.success ", httpPath)
break
}
// ReadAll error may be caused due to cancel request
select {
case <-cancelled:
return nil, ErrRequestCancelled
default:
}
if err == io.ErrUnexpectedEOF {
// underlying connection was closed prematurely, probably by timeout
// TODO: empty body or unexpectedEOF can cause http.Transport to get hosed;
// this allows the client to detect that and take evasive action. Need
// to revisit once code.google.com/p/go/issues/detail?id=8648 gets fixed.
respBody = []byte{}
break
}
}
if resp.StatusCode == http.StatusTemporaryRedirect {
u, err := resp.Location()
if err != nil {
logger.Warning(err)
} else {
// set httpPath for following redirection
httpPath = u.String()
}
resp.Body.Close()
continue
}
if checkErr := checkRetry(c.cluster, numReqs, *resp,
errors.New("Unexpected HTTP status code")); checkErr != nil {
return nil, checkErr
}
resp.Body.Close()
}
r := &RawResponse{
StatusCode: resp.StatusCode,
Body: respBody,
Header: resp.Header,
}
return r, nil
}
// DefaultCheckRetry defines the retrying behaviour for bad HTTP requests
// If we have retried 2 * machine number, stop retrying.
// If status code is InternalServerError, sleep for 200ms.
func DefaultCheckRetry(cluster *Cluster, numReqs int, lastResp http.Response,
err error) error {
if numReqs > 2*len(cluster.Machines) {
errStr := fmt.Sprintf("failed to propose on members %v twice [last error: %v]", cluster.Machines, err)
return newError(ErrCodeEtcdNotReachable, errStr, 0)
}
if isEmptyResponse(lastResp) {
// always retry if it failed to get response from one machine
return nil
}
if !shouldRetry(lastResp) {
body := []byte("nil")
if lastResp.Body != nil {
if b, err := ioutil.ReadAll(lastResp.Body); err == nil {
body = b
}
}
errStr := fmt.Sprintf("unhandled http status [%s] with body [%s]", http.StatusText(lastResp.StatusCode), body)
return newError(ErrCodeUnhandledHTTPStatus, errStr, 0)
}
// sleep some time and expect leader election finish
time.Sleep(time.Millisecond * 200)
logger.Warning("bad response status code ", lastResp.StatusCode)
return nil
}
func isEmptyResponse(r http.Response) bool { return r.StatusCode == 0 }
// shouldRetry returns whether the reponse deserves retry.
func shouldRetry(r http.Response) bool {
// TODO: only retry when the cluster is in leader election
// We cannot do it exactly because etcd doesn't support it well.
return r.StatusCode == http.StatusInternalServerError
}
func (c *Client) getHttpPath(s ...string) string {
fullPath := c.cluster.pick() + "/" + version
for _, seg := range s {
fullPath = fullPath + "/" + seg
}
return fullPath
}
// buildValues builds a url.Values map according to the given value and ttl
func buildValues(value string, ttl uint64) url.Values {
v := url.Values{}
if value != "" {
v.Set("value", value)
}
if ttl > 0 {
v.Set("ttl", fmt.Sprintf("%v", ttl))
}
return v
}
// convert key string to http path exclude version, including URL escaping
// for example: key[foo] -> path[keys/foo]
// key[/%z] -> path[keys/%25z]
// key[/] -> path[keys/]
func keyToPath(key string) string {
// URL-escape our key, except for slashes
p := strings.Replace(url.QueryEscape(path.Join("keys", key)), "%2F", "/", -1)
// corner case: if key is "/" or "//" ect
// path join will clear the tailing "/"
// we need to add it back
if p == "keys" {
p = "keys/"
}
return p
}
vendor/github.com/coreos/go-etcd/etcd/response.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
//go:generate codecgen -d 1978 -o response.generated.go response.go
import (
"net/http"
"strconv"
"time"
"github.com/ugorji/go/codec"
)
const (
rawResponse = iota
normalResponse
)
type responseType int
type RawResponse struct {
StatusCode int
Body []byte
Header http.Header
}
var (
validHttpStatusCode = map[int]bool{
http.StatusCreated: true,
http.StatusOK: true,
http.StatusBadRequest: true,
http.StatusNotFound: true,
http.StatusPreconditionFailed: true,
http.StatusForbidden: true,
http.StatusUnauthorized: true,
}
)
// Unmarshal parses RawResponse and stores the result in Response
func (rr *RawResponse) Unmarshal() (*Response, error) {
if rr.StatusCode != http.StatusOK && rr.StatusCode != http.StatusCreated {
return nil, handleError(rr.Body)
}
resp := new(Response)
err := codec.NewDecoderBytes(rr.Body, new(codec.JsonHandle)).Decode(resp)
if err != nil {
return nil, err
}
// attach index and term to response
resp.EtcdIndex, _ = strconv.ParseUint(rr.Header.Get("X-Etcd-Index"), 10, 64)
resp.RaftIndex, _ = strconv.ParseUint(rr.Header.Get("X-Raft-Index"), 10, 64)
resp.RaftTerm, _ = strconv.ParseUint(rr.Header.Get("X-Raft-Term"), 10, 64)
return resp, nil
}
type Response struct {
Action string `json:"action"`
Node *Node `json:"node"`
PrevNode *Node `json:"prevNode,omitempty"`
EtcdIndex uint64 `json:"etcdIndex"`
RaftIndex uint64 `json:"raftIndex"`
RaftTerm uint64 `json:"raftTerm"`
}
type Node struct {
Key string `json:"key, omitempty"`
Value string `json:"value,omitempty"`
Dir bool `json:"dir,omitempty"`
Expiration *time.Time `json:"expiration,omitempty"`
TTL int64 `json:"ttl,omitempty"`
Nodes Nodes `json:"nodes,omitempty"`
ModifiedIndex uint64 `json:"modifiedIndex,omitempty"`
CreatedIndex uint64 `json:"createdIndex,omitempty"`
}
type Nodes []*Node
// interfaces for sorting
func (ns Nodes) Len() int {
return len(ns)
}
func (ns Nodes) Less(i, j int) bool {
return ns[i].Key < ns[j].Key
}
func (ns Nodes) Swap(i, j int) {
ns[i], ns[j] = ns[j], ns[i]
}
vendor/github.com/coreos/go-etcd/etcd/set_update_create.go 已删除 100644 → 0
浏览文件 @ 7560384f
package etcd
// Set sets the given key to the given value.
// It will create a new key value pair or replace the old one.
// It will not replace a existing directory.
func (c *Client) Set(key string, value string, ttl uint64) (*Response, error) {
raw, err := c.RawSet(key, value, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// SetDir sets the given key to a directory.
// It will create a new directory or replace the old key value pair by a directory.
// It will not replace a existing directory.
func (c *Client) SetDir(key string, ttl uint64) (*Response, error) {
raw, err := c.RawSetDir(key, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// CreateDir creates a directory. It succeeds only if
// the given key does not yet exist.
func (c *Client) CreateDir(key string, ttl uint64) (*Response, error) {
raw, err := c.RawCreateDir(key, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// UpdateDir updates the given directory. It succeeds only if the
// given key already exists.
func (c *Client) UpdateDir(key string, ttl uint64) (*Response, error) {
raw, err := c.RawUpdateDir(key, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// Create creates a file with the given value under the given key. It succeeds
// only if the given key does not yet exist.
func (c *Client) Create(key string, value string, ttl uint64) (*Response, error) {
raw, err := c.RawCreate(key, value, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// CreateInOrder creates a file with a key that's guaranteed to be higher than other
// keys in the given directory. It is useful for creating queues.
func (c *Client) CreateInOrder(dir string, value string, ttl uint64) (*Response, error) {
raw, err := c.RawCreateInOrder(dir, value, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
// Update updates the given key to the given value. It succeeds only if the
// given key already exists.
func (c *Client) Update(key string, value string, ttl uint64) (*Response, error) {
raw, err := c.RawUpdate(key, value, ttl)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
func (c *Client) RawUpdateDir(key string, ttl uint64) (*RawResponse, error) {
ops := Options{
"prevExist": true,
"dir": true,
}
return c.put(key, "", ttl, ops)
}
func (c *Client) RawCreateDir(key string, ttl uint64) (*RawResponse, error) {
ops := Options{
"prevExist": false,
"dir": true,
}
return c.put(key, "", ttl, ops)
}
func (c *Client) RawSet(key string, value string, ttl uint64) (*RawResponse, error) {
return c.put(key, value, ttl, nil)
}
func (c *Client) RawSetDir(key string, ttl uint64) (*RawResponse, error) {
ops := Options{
"dir": true,
}
return c.put(key, "", ttl, ops)
}
func (c *Client) RawUpdate(key string, value string, ttl uint64) (*RawResponse, error) {
ops := Options{
"prevExist": true,
}
return c.put(key, value, ttl, ops)
}
func (c *Client) RawCreate(key string, value string, ttl uint64) (*RawResponse, error) {
ops := Options{
"prevExist": false,
}
return c.put(key, value, ttl, ops)
}
func (c *Client) RawCreateInOrder(dir string, value string, ttl uint64) (*RawResponse, error) {
return c.post(dir, value, ttl)
}
vendor/github.com/coreos/go-etcd/etcd/shuffle.go 已删除 100644 → 0
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package etcd
import (
"math/rand"
)
func shuffleStringSlice(cards []string) []string {
size := len(cards)
//Do not need to copy if nothing changed
if size <= 1 {
return cards
}
shuffled := make([]string, size)
index := rand.Perm(size)
for i := range cards {
shuffled[index[i]] = cards[i]
}
return shuffled
}
vendor/github.com/coreos/go-etcd/etcd/version.go 已删除 100644 → 0
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package etcd
const (
version = "v2"
packageVersion = "v2.0.0+git"
)
vendor/github.com/coreos/go-etcd/etcd/watch.go 已删除 100644 → 0
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package etcd
import (
"errors"
)
// Errors introduced by the Watch command.
var (
ErrWatchStoppedByUser = errors.New("Watch stopped by the user via stop channel")
)
// If recursive is set to true the watch returns the first change under the given
// prefix since the given index.
//
// If recursive is set to false the watch returns the first change to the given key
// since the given index.
//
// To watch for the latest change, set waitIndex = 0.
//
// If a receiver channel is given, it will be a long-term watch. Watch will block at the
//channel. After someone receives the channel, it will go on to watch that
// prefix. If a stop channel is given, the client can close long-term watch using
// the stop channel.
func (c *Client) Watch(prefix string, waitIndex uint64, recursive bool,
receiver chan *Response, stop chan bool) (*Response, error) {
logger.Debugf("watch %s [%s]", prefix, c.cluster.Leader)
if receiver == nil {
raw, err := c.watchOnce(prefix, waitIndex, recursive, stop)
if err != nil {
return nil, err
}
return raw.Unmarshal()
}
defer close(receiver)
for {
raw, err := c.watchOnce(prefix, waitIndex, recursive, stop)
if err != nil {
return nil, err
}
resp, err := raw.Unmarshal()
if err != nil {
return nil, err
}
waitIndex = resp.Node.ModifiedIndex + 1
receiver <- resp
}
}
func (c *Client) RawWatch(prefix string, waitIndex uint64, recursive bool,
receiver chan *RawResponse, stop chan bool) (*RawResponse, error) {
logger.Debugf("rawWatch %s [%s]", prefix, c.cluster.Leader)
if receiver == nil {
return c.watchOnce(prefix, waitIndex, recursive, stop)
}
for {
raw, err := c.watchOnce(prefix, waitIndex, recursive, stop)
if err != nil {
return nil, err
}
resp, err := raw.Unmarshal()
if err != nil {
return nil, err
}
waitIndex = resp.Node.ModifiedIndex + 1
receiver <- raw
}
}
// helper func
// return when there is change under the given prefix
func (c *Client) watchOnce(key string, waitIndex uint64, recursive bool, stop chan bool) (*RawResponse, error) {
options := Options{
"wait": true,
}
if waitIndex > 0 {
options["waitIndex"] = waitIndex
}
if recursive {
options["recursive"] = true
}
resp, err := c.getCancelable(key, options, stop)
if err == ErrRequestCancelled {
return nil, ErrWatchStoppedByUser
}
return resp, err
}
vendor/github.com/coreos/go-systemd/activation/files.go 已删除 100644 → 0
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// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Package activation implements primitives for systemd socket activation.
package activation
import (
"os"
"strconv"
"syscall"
)
// based on: https://gist.github.com/alberts/4640792
const (
listenFdsStart = 3
)
func Files(unsetEnv bool) []*os.File {
if unsetEnv {
defer os.Unsetenv("LISTEN_PID")
defer os.Unsetenv("LISTEN_FDS")
}
pid, err := strconv.Atoi(os.Getenv("LISTEN_PID"))
if err != nil || pid != os.Getpid() {
return nil
}
nfds, err := strconv.Atoi(os.Getenv("LISTEN_FDS"))
if err != nil || nfds == 0 {
return nil
}
files := make([]*os.File, 0, nfds)
for fd := listenFdsStart; fd < listenFdsStart+nfds; fd++ {
syscall.CloseOnExec(fd)
files = append(files, os.NewFile(uintptr(fd), "LISTEN_FD_"+strconv.Itoa(fd)))
}
return files
}
vendor/github.com/coreos/go-systemd/activation/listeners.go 已删除 100644 → 0
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// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package activation
import (
"crypto/tls"
"net"
)
// Listeners returns a slice containing a net.Listener for each matching socket type
// passed to this process.
//
// The order of the file descriptors is preserved in the returned slice.
// Nil values are used to fill any gaps. For example if systemd were to return file descriptors
// corresponding with "udp, tcp, tcp", then the slice would contain {nil, net.Listener, net.Listener}
func Listeners(unsetEnv bool) ([]net.Listener, error) {
files := Files(unsetEnv)
listeners := make([]net.Listener, len(files))
for i, f := range files {
if pc, err := net.FileListener(f); err == nil {
listeners[i] = pc
}
}
return listeners, nil
}
// TLSListeners returns a slice containing a net.listener for each matching TCP socket type
// passed to this process.
// It uses default Listeners func and forces TCP sockets handlers to use TLS based on tlsConfig.
func TLSListeners(unsetEnv bool, tlsConfig *tls.Config) ([]net.Listener, error) {
listeners, err := Listeners(unsetEnv)
if listeners == nil || err != nil {
return nil, err
}
if tlsConfig != nil && err == nil {
tlsConfig.NextProtos = []string{"http/1.1"}
for i, l := range listeners {
// Activate TLS only for TCP sockets
if l.Addr().Network() == "tcp" {
listeners[i] = tls.NewListener(l, tlsConfig)
}
}
}
return listeners, err
}
vendor/github.com/coreos/go-systemd/activation/packetconns.go 已删除 100644 → 0
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// Copyright 2015 CoreOS, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package activation
import (
"net"
)
// PacketConns returns a slice containing a net.PacketConn for each matching socket type
// passed to this process.
//
// The order of the file descriptors is preserved in the returned slice.
// Nil values are used to fill any gaps. For example if systemd were to return file descriptors
// corresponding with "udp, tcp, udp", then the slice would contain {net.PacketConn, nil, net.PacketConn}
func PacketConns(unsetEnv bool) ([]net.PacketConn, error) {
files := Files(unsetEnv)
conns := make([]net.PacketConn, len(files))
for i, f := range files {
if pc, err := net.FilePacketConn(f); err == nil {
conns[i] = pc
}
}
return conns, nil
}
vendor/github.com/miekg/dns/.travis.yml 已删除 100644 → 0
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language: go
sudo: false
go:
- 1.5
- 1.6
script:
- go test -race -v -bench=.
vendor/github.com/miekg/dns/CONTRIBUTORS 已删除 100644 → 0
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Alex A. Skinner
Andrew Tunnell-Jones
Ask Bjørn Hansen
Dave Cheney
Dusty Wilson
Marek Majkowski
Peter van Dijk
Omri Bahumi
Alex Sergeyev
vendor/github.com/miekg/dns/COPYRIGHT 已删除 100644 → 0
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Copyright 2009 The Go Authors. All rights reserved. Use of this source code
is governed by a BSD-style license that can be found in the LICENSE file.
Extensions of the original work are copyright (c) 2011 Miek Gieben
Copyright 2011 Miek Gieben. All rights reserved. Use of this source code is
governed by a BSD-style license that can be found in the LICENSE file.
Copyright 2014 CloudFlare. All rights reserved. Use of this source code is
governed by a BSD-style license that can be found in the LICENSE file.
vendor/github.com/miekg/dns/LICENSE 已删除 100644 → 0
浏览文件 @ 7560384f
Extensions of the original work are copyright (c) 2011 Miek Gieben
As this is fork of the official Go code the same license applies:
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
vendor/github.com/miekg/dns/README.md 已删除 100644 → 0
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[![Build Status](https://travis-ci.org/miekg/dns.svg?branch=master)](https://travis-ci.org/miekg/dns)
# Alternative (more granular) approach to a DNS library
> Less is more.
Complete and usable DNS library. All widely used Resource Records are
supported, including the DNSSEC types. It follows a lean and mean philosophy.
If there is stuff you should know as a DNS programmer there isn't a convenience
function for it. Server side and client side programming is supported, i.e. you
can build servers and resolvers with it.
We try to keep the "master" branch as sane as possible and at the bleeding edge
of standards, avoiding breaking changes wherever reasonable. We support the last
two versions of Go, currently: 1.5 and 1.6.
# Goals
* KISS;
* Fast;
* Small API, if its easy to code in Go, don't make a function for it.
# Users
A not-so-up-to-date-list-that-may-be-actually-current:
* https://cloudflare.com
* https://github.com/abh/geodns
* http://www.statdns.com/
* http://www.dnsinspect.com/
* https://github.com/chuangbo/jianbing-dictionary-dns
* http://www.dns-lg.com/
* https://github.com/fcambus/rrda
* https://github.com/kenshinx/godns
* https://github.com/skynetservices/skydns
* https://github.com/hashicorp/consul
* https://github.com/DevelopersPL/godnsagent
* https://github.com/duedil-ltd/discodns
* https://github.com/StalkR/dns-reverse-proxy
* https://github.com/tianon/rawdns
* https://mesosphere.github.io/mesos-dns/
* https://pulse.turbobytes.com/
* https://play.google.com/store/apps/details?id=com.turbobytes.dig
* https://github.com/fcambus/statzone
* https://github.com/benschw/dns-clb-go
* https://github.com/corny/dnscheck for http://public-dns.info/
* https://namesmith.io
* https://github.com/miekg/unbound
* https://github.com/miekg/exdns
* https://dnslookup.org
* https://github.com/looterz/grimd
* https://github.com/phamhongviet/serf-dns
Send pull request if you want to be listed here.
# Features
* UDP/TCP queries, IPv4 and IPv6;
* RFC 1035 zone file parsing ($INCLUDE, $ORIGIN, $TTL and $GENERATE (for all record types) are supported;
* Fast:
* Reply speed around ~ 80K qps (faster hardware results in more qps);
* Parsing RRs ~ 100K RR/s, that's 5M records in about 50 seconds;
* Server side programming (mimicking the net/http package);
* Client side programming;
* DNSSEC: signing, validating and key generation for DSA, RSA and ECDSA;
* EDNS0, NSID, Cookies;
* AXFR/IXFR;
* TSIG, SIG(0);
* DNS over TLS: optional encrypted connection between client and server;
* DNS name compression;
* Depends only on the standard library.
Have fun!
Miek Gieben - 2010-2012 - <miek@miek.nl>
# Building
Building is done with the `go` tool. If you have setup your GOPATH
correctly, the following should work:
go get github.com/miekg/dns
go build github.com/miekg/dns
## Examples
A short "how to use the API" is at the beginning of doc.go (this also will show
when you call `godoc github.com/miekg/dns`).
Example programs can be found in the `github.com/miekg/exdns` repository.
## Supported RFCs
*all of them*
* 103{4,5} - DNS standard
* 1348 - NSAP record (removed the record)
* 1982 - Serial Arithmetic
* 1876 - LOC record
* 1995 - IXFR
* 1996 - DNS notify
* 2136 - DNS Update (dynamic updates)
* 2181 - RRset definition - there is no RRset type though, just []RR
* 2537 - RSAMD5 DNS keys
* 2065 - DNSSEC (updated in later RFCs)
* 2671 - EDNS record
* 2782 - SRV record
* 2845 - TSIG record
* 2915 - NAPTR record
* 2929 - DNS IANA Considerations
* 3110 - RSASHA1 DNS keys
* 3225 - DO bit (DNSSEC OK)
* 340{1,2,3} - NAPTR record
* 3445 - Limiting the scope of (DNS)KEY
* 3597 - Unknown RRs
* 403{3,4,5} - DNSSEC + validation functions
* 4255 - SSHFP record
* 4343 - Case insensitivity
* 4408 - SPF record
* 4509 - SHA256 Hash in DS
* 4592 - Wildcards in the DNS
* 4635 - HMAC SHA TSIG
* 4701 - DHCID
* 4892 - id.server
* 5001 - NSID
* 5155 - NSEC3 record
* 5205 - HIP record
* 5702 - SHA2 in the DNS
* 5936 - AXFR
* 5966 - TCP implementation recommendations
* 6605 - ECDSA
* 6725 - IANA Registry Update
* 6742 - ILNP DNS
* 6840 - Clarifications and Implementation Notes for DNS Security
* 6844 - CAA record
* 6891 - EDNS0 update
* 6895 - DNS IANA considerations
* 6975 - Algorithm Understanding in DNSSEC
* 7043 - EUI48/EUI64 records
* 7314 - DNS (EDNS) EXPIRE Option
* 7553 - URI record
* 7858 - DNS over TLS: Initiation and Performance Considerations (draft)
* 7873 - Domain Name System (DNS) Cookies (draft-ietf-dnsop-cookies)
* xxxx - EDNS0 DNS Update Lease (draft)
## Loosely based upon
* `ldns`
* `NSD`
* `Net::DNS`
* `GRONG`
vendor/github.com/miekg/dns/client.go 已删除 100644 → 0
浏览文件 @ 7560384f
package dns
// A client implementation.
import (
"bytes"
"crypto/tls"
"encoding/binary"
"io"
"net"
"time"
)
const dnsTimeout time.Duration = 2 * time.Second
const tcpIdleTimeout time.Duration = 8 * time.Second
// A Conn represents a connection to a DNS server.
type Conn struct {
net.Conn // a net.Conn holding the connection
UDPSize uint16 // minimum receive buffer for UDP messages
TsigSecret map[string]string // secret(s) for Tsig map[<zonename>]<base64 secret>, zonename must be fully qualified
rtt time.Duration
t time.Time
tsigRequestMAC string
}
// A Client defines parameters for a DNS client.
type Client struct {
Net string // if "tcp" or "tcp-tls" (DNS over TLS) a TCP query will be initiated, otherwise an UDP one (default is "" for UDP)
UDPSize uint16 // minimum receive buffer for UDP messages
TLSConfig *tls.Config // TLS connection configuration
Timeout time.Duration // a cumulative timeout for dial, write and read, defaults to 0 (disabled) - overrides DialTimeout, ReadTimeout and WriteTimeout when non-zero
DialTimeout time.Duration // net.DialTimeout, defaults to 2 seconds - overridden by Timeout when that value is non-zero
ReadTimeout time.Duration // net.Conn.SetReadTimeout value for connections, defaults to 2 seconds - overridden by Timeout when that value is non-zero
WriteTimeout time.Duration // net.Conn.SetWriteTimeout value for connections, defaults to 2 seconds - overridden by Timeout when that value is non-zero
TsigSecret map[string]string // secret(s) for Tsig map[<zonename>]<base64 secret>, zonename must be fully qualified
SingleInflight bool // if true suppress multiple outstanding queries for the same Qname, Qtype and Qclass
group singleflight
}
// Exchange performs a synchronous UDP query. It sends the message m to the address
// contained in a and waits for an reply. Exchange does not retry a failed query, nor
// will it fall back to TCP in case of truncation.
// See client.Exchange for more information on setting larger buffer sizes.
func Exchange(m *Msg, a string) (r *Msg, err error) {
var co *Conn
co, err = DialTimeout("udp", a, dnsTimeout)
if err != nil {
return nil, err
}
defer co.Close()
opt := m.IsEdns0()
// If EDNS0 is used use that for size.
if opt != nil && opt.UDPSize() >= MinMsgSize {
co.UDPSize = opt.UDPSize()
}
co.SetWriteDeadline(time.Now().Add(dnsTimeout))
if err = co.WriteMsg(m); err != nil {
return nil, err
}
co.SetReadDeadline(time.Now().Add(dnsTimeout))
r, err = co.ReadMsg()
if err == nil && r.Id != m.Id {
err = ErrId
}
return r, err
}
// ExchangeConn performs a synchronous query. It sends the message m via the connection
// c and waits for a reply. The connection c is not closed by ExchangeConn.
// This function is going away, but can easily be mimicked:
//
// co := &dns.Conn{Conn: c} // c is your net.Conn
// co.WriteMsg(m)
// in, _ := co.ReadMsg()
// co.Close()
//
func ExchangeConn(c net.Conn, m *Msg) (r *Msg, err error) {
println("dns: this function is deprecated")
co := new(Conn)
co.Conn = c
if err = co.WriteMsg(m); err != nil {
return nil, err
}
r, err = co.ReadMsg()
if err == nil && r.Id != m.Id {
err = ErrId
}
return r, err
}
// Exchange performs an synchronous query. It sends the message m to the address
// contained in a and waits for an reply. Basic use pattern with a *dns.Client:
//
// c := new(dns.Client)
// in, rtt, err := c.Exchange(message, "127.0.0.1:53")
//
// Exchange does not retry a failed query, nor will it fall back to TCP in
// case of truncation.
// It is up to the caller to create a message that allows for larger responses to be
// returned. Specifically this means adding an EDNS0 OPT RR that will advertise a larger
// buffer, see SetEdns0. Messsages without an OPT RR will fallback to the historic limit
// of 512 bytes.
func (c *Client) Exchange(m *Msg, a string) (r *Msg, rtt time.Duration, err error) {
if !c.SingleInflight {
return c.exchange(m, a)
}
// This adds a bunch of garbage, TODO(miek).
t := "nop"
if t1, ok := TypeToString[m.Question[0].Qtype]; ok {
t = t1
}
cl := "nop"
if cl1, ok := ClassToString[m.Question[0].Qclass]; ok {
cl = cl1
}
r, rtt, err, shared := c.group.Do(m.Question[0].Name+t+cl, func() (*Msg, time.Duration, error) {
return c.exchange(m, a)
})
if err != nil {
return r, rtt, err
}
if shared {
return r.Copy(), rtt, nil
}
return r, rtt, nil
}
func (c *Client) dialTimeout() time.Duration {
if c.Timeout != 0 {
return c.Timeout
}
if c.DialTimeout != 0 {
return c.DialTimeout
}
return dnsTimeout
}
func (c *Client) readTimeout() time.Duration {
if c.ReadTimeout != 0 {
return c.ReadTimeout
}
return dnsTimeout
}
func (c *Client) writeTimeout() time.Duration {
if c.WriteTimeout != 0 {
return c.WriteTimeout
}
return dnsTimeout
}
func (c *Client) exchange(m *Msg, a string) (r *Msg, rtt time.Duration, err error) {
var co *Conn
network := "udp"
tls := false
switch c.Net {
case "tcp-tls":
network = "tcp"
tls = true
case "tcp4-tls":
network = "tcp4"
tls = true
case "tcp6-tls":
network = "tcp6"
tls = true
default:
if c.Net != "" {
network = c.Net
}
}
var deadline time.Time
if c.Timeout != 0 {
deadline = time.Now().Add(c.Timeout)
}
if tls {
co, err = DialTimeoutWithTLS(network, a, c.TLSConfig, c.dialTimeout())
} else {
co, err = DialTimeout(network, a, c.dialTimeout())
}
if err != nil {
return nil, 0, err
}
defer co.Close()
opt := m.IsEdns0()
// If EDNS0 is used use that for size.
if opt != nil && opt.UDPSize() >= MinMsgSize {
co.UDPSize = opt.UDPSize()
}
// Otherwise use the client's configured UDP size.
if opt == nil && c.UDPSize >= MinMsgSize {
co.UDPSize = c.UDPSize
}
co.TsigSecret = c.TsigSecret
co.SetWriteDeadline(deadlineOrTimeout(deadline, c.writeTimeout()))
if err = co.WriteMsg(m); err != nil {
return nil, 0, err
}
co.SetReadDeadline(deadlineOrTimeout(deadline, c.readTimeout()))
r, err = co.ReadMsg()
if err == nil && r.Id != m.Id {
err = ErrId
}
return r, co.rtt, err
}
// ReadMsg reads a message from the connection co.
// If the received message contains a TSIG record the transaction
// signature is verified.
func (co *Conn) ReadMsg() (*Msg, error) {
p, err := co.ReadMsgHeader(nil)
if err != nil {
return nil, err
}
m := new(Msg)
if err := m.Unpack(p); err != nil {
// If ErrTruncated was returned, we still want to allow the user to use
// the message, but naively they can just check err if they don't want
// to use a truncated message
if err == ErrTruncated {
return m, err
}
return nil, err
}
if t := m.IsTsig(); t != nil {
if _, ok := co.TsigSecret[t.Hdr.Name]; !ok {
return m, ErrSecret
}
// Need to work on the original message p, as that was used to calculate the tsig.
err = TsigVerify(p, co.TsigSecret[t.Hdr.Name], co.tsigRequestMAC, false)
}
return m, err
}
// ReadMsgHeader reads a DNS message, parses and populates hdr (when hdr is not nil).
// Returns message as a byte slice to be parsed with Msg.Unpack later on.
// Note that error handling on the message body is not possible as only the header is parsed.
func (co *Conn) ReadMsgHeader(hdr *Header) ([]byte, error) {
var (
p []byte
n int
err error
)
switch t := co.Conn.(type) {
case *net.TCPConn, *tls.Conn:
r := t.(io.Reader)
// First two bytes specify the length of the entire message.
l, err := tcpMsgLen(r)
if err != nil {
return nil, err
}
p = make([]byte, l)
n, err = tcpRead(r, p)
co.rtt = time.Since(co.t)
default:
if co.UDPSize > MinMsgSize {
p = make([]byte, co.UDPSize)
} else {
p = make([]byte, MinMsgSize)
}
n, err = co.Read(p)
co.rtt = time.Since(co.t)
}
if err != nil {
return nil, err
} else if n < headerSize {
return nil, ErrShortRead
}
p = p[:n]
if hdr != nil {
dh, _, err := unpackMsgHdr(p, 0)
if err != nil {
return nil, err
}
*hdr = dh
}
return p, err
}
// tcpMsgLen is a helper func to read first two bytes of stream as uint16 packet length.
func tcpMsgLen(t io.Reader) (int, error) {
p := []byte{0, 0}
n, err := t.Read(p)
if err != nil {
return 0, err
}
if n != 2 {
return 0, ErrShortRead
}
l := binary.BigEndian.Uint16(p)
if l == 0 {
return 0, ErrShortRead
}
return int(l), nil
}
// tcpRead calls TCPConn.Read enough times to fill allocated buffer.
func tcpRead(t io.Reader, p []byte) (int, error) {
n, err := t.Read(p)
if err != nil {
return n, err
}
for n < len(p) {
j, err := t.Read(p[n:])
if err != nil {
return n, err
}
n += j
}
return n, err
}
// Read implements the net.Conn read method.
func (co *Conn) Read(p []byte) (n int, err error) {
if co.Conn == nil {
return 0, ErrConnEmpty
}
if len(p) < 2 {
return 0, io.ErrShortBuffer
}
switch t := co.Conn.(type) {
case *net.TCPConn, *tls.Conn:
r := t.(io.Reader)
l, err := tcpMsgLen(r)
if err != nil {
return 0, err
}
if l > len(p) {
return int(l), io.ErrShortBuffer
}
return tcpRead(r, p[:l])
}
// UDP connection
n, err = co.Conn.Read(p)
if err != nil {
return n, err
}
return n, err
}
// WriteMsg sends a message through the connection co.
// If the message m contains a TSIG record the transaction
// signature is calculated.
func (co *Conn) WriteMsg(m *Msg) (err error) {
var out []byte
if t := m.IsTsig(); t != nil {
mac := ""
if _, ok := co.TsigSecret[t.Hdr.Name]; !ok {
return ErrSecret
}
out, mac, err = TsigGenerate(m, co.TsigSecret[t.Hdr.Name], co.tsigRequestMAC, false)
// Set for the next read, although only used in zone transfers
co.tsigRequestMAC = mac
} else {
out, err = m.Pack()
}
if err != nil {
return err
}
co.t = time.Now()
if _, err = co.Write(out); err != nil {
return err
}
return nil
}
// Write implements the net.Conn Write method.
func (co *Conn) Write(p []byte) (n int, err error) {
switch t := co.Conn.(type) {
case *net.TCPConn, *tls.Conn:
w := t.(io.Writer)
lp := len(p)
if lp < 2 {
return 0, io.ErrShortBuffer
}
if lp > MaxMsgSize {
return 0, &Error{err: "message too large"}
}
l := make([]byte, 2, lp+2)
binary.BigEndian.PutUint16(l, uint16(lp))
p = append(l, p...)
n, err := io.Copy(w, bytes.NewReader(p))
return int(n), err
}
n, err = co.Conn.(*net.UDPConn).Write(p)
return n, err
}
// Dial connects to the address on the named network.
func Dial(network, address string) (conn *Conn, err error) {
conn = new(Conn)
conn.Conn, err = net.Dial(network, address)
if err != nil {
return nil, err
}
return conn, nil
}
// DialTimeout acts like Dial but takes a timeout.
func DialTimeout(network, address string, timeout time.Duration) (conn *Conn, err error) {
conn = new(Conn)
conn.Conn, err = net.DialTimeout(network, address, timeout)
if err != nil {
return nil, err
}
return conn, nil
}
// DialWithTLS connects to the address on the named network with TLS.
func DialWithTLS(network, address string, tlsConfig *tls.Config) (conn *Conn, err error) {
conn = new(Conn)
conn.Conn, err = tls.Dial(network, address, tlsConfig)
if err != nil {
return nil, err
}
return conn, nil
}
// DialTimeoutWithTLS acts like DialWithTLS but takes a timeout.
func DialTimeoutWithTLS(network, address string, tlsConfig *tls.Config, timeout time.Duration) (conn *Conn, err error) {
var dialer net.Dialer
dialer.Timeout = timeout
conn = new(Conn)
conn.Conn, err = tls.DialWithDialer(&dialer, network, address, tlsConfig)
if err != nil {
return nil, err
}
return conn, nil
}
func deadlineOrTimeout(deadline time.Time, timeout time.Duration) time.Time {
if deadline.IsZero() {
return time.Now().Add(timeout)
}
return deadline
}
vendor/github.com/miekg/dns/clientconfig.go 已删除 100644 → 0
浏览文件 @ 7560384f
package dns
import (
"bufio"
"os"
"strconv"
"strings"
)
// ClientConfig wraps the contents of the /etc/resolv.conf file.
type ClientConfig struct {
Servers []string // servers to use
Search []string // suffixes to append to local name
Port string // what port to use
Ndots int // number of dots in name to trigger absolute lookup
Timeout int // seconds before giving up on packet
Attempts int // lost packets before giving up on server, not used in the package dns
}
// ClientConfigFromFile parses a resolv.conf(5) like file and returns
// a *ClientConfig.
func ClientConfigFromFile(resolvconf string) (*ClientConfig, error) {
file, err := os.Open(resolvconf)
if err != nil {
return nil, err
}
defer file.Close()
c := new(ClientConfig)
scanner := bufio.NewScanner(file)
c.Servers = make([]string, 0)
c.Search = make([]string, 0)
c.Port = "53"
c.Ndots = 1
c.Timeout = 5
c.Attempts = 2
for scanner.Scan() {
if err := scanner.Err(); err != nil {
return nil, err
}
line := scanner.Text()
f := strings.Fields(line)
if len(f) < 1 {
continue
}
switch f[0] {
case "nameserver": // add one name server
if len(f) > 1 {
// One more check: make sure server name is
// just an IP address. Otherwise we need DNS
// to look it up.
name := f[1]
c.Servers = append(c.Servers, name)
}
case "domain": // set search path to just this domain
if len(f) > 1 {
c.Search = make([]string, 1)
c.Search[0] = f[1]
} else {
c.Search = make([]string, 0)
}
case "search": // set search path to given servers
c.Search = make([]string, len(f)-1)
for i := 0; i < len(c.Search); i++ {
c.Search[i] = f[i+1]
}
case "options": // magic options
for i := 1; i < len(f); i++ {
s := f[i]
switch {
case len(s) >= 6 && s[:6] == "ndots:":
n, _ := strconv.Atoi(s[6:])
if n < 1 {
n = 1
}
c.Ndots = n
case len(s) >= 8 && s[:8] == "timeout:":
n, _ := strconv.Atoi(s[8:])
if n < 1 {
n = 1
}
c.Timeout = n
case len(s) >= 8 && s[:9] == "attempts:":
n, _ := strconv.Atoi(s[9:])
if n < 1 {
n = 1
}
c.Attempts = n
case s == "rotate":
/* not imp */
}
}
}
}
return c, nil
}
vendor/github.com/miekg/dns/defaults.go 已删除 100644 → 0
浏览文件 @ 7560384f
package dns
import (
"errors"
"net"
"strconv"
)
const hexDigit = "0123456789abcdef"
// Everything is assumed in ClassINET.
// SetReply creates a reply message from a request message.
func (dns *Msg) SetReply(request *Msg) *Msg {
dns.Id = request.Id
dns.RecursionDesired = request.RecursionDesired // Copy rd bit
dns.Response = true
dns.Opcode = OpcodeQuery
dns.Rcode = RcodeSuccess
if len(request.Question) > 0 {
dns.Question = make([]Question, 1)
dns.Question[0] = request.Question[0]
}
return dns
}
// SetQuestion creates a question message, it sets the Question
// section, generates an Id and sets the RecursionDesired (RD)
// bit to true.
func (dns *Msg) SetQuestion(z string, t uint16) *Msg {
dns.Id = Id()
dns.RecursionDesired = true
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, t, ClassINET}
return dns
}
// SetNotify creates a notify message, it sets the Question
// section, generates an Id and sets the Authoritative (AA)
// bit to true.
func (dns *Msg) SetNotify(z string) *Msg {
dns.Opcode = OpcodeNotify
dns.Authoritative = true
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeSOA, ClassINET}
return dns
}
// SetRcode creates an error message suitable for the request.
func (dns *Msg) SetRcode(request *Msg, rcode int) *Msg {
dns.SetReply(request)
dns.Rcode = rcode
return dns
}
// SetRcodeFormatError creates a message with FormError set.
func (dns *Msg) SetRcodeFormatError(request *Msg) *Msg {
dns.Rcode = RcodeFormatError
dns.Opcode = OpcodeQuery
dns.Response = true
dns.Authoritative = false
dns.Id = request.Id
return dns
}
// SetUpdate makes the message a dynamic update message. It
// sets the ZONE section to: z, TypeSOA, ClassINET.
func (dns *Msg) SetUpdate(z string) *Msg {
dns.Id = Id()
dns.Response = false
dns.Opcode = OpcodeUpdate
dns.Compress = false // BIND9 cannot handle compression
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeSOA, ClassINET}
return dns
}
// SetIxfr creates message for requesting an IXFR.
func (dns *Msg) SetIxfr(z string, serial uint32, ns, mbox string) *Msg {
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Ns = make([]RR, 1)
s := new(SOA)
s.Hdr = RR_Header{z, TypeSOA, ClassINET, defaultTtl, 0}
s.Serial = serial
s.Ns = ns
s.Mbox = mbox
dns.Question[0] = Question{z, TypeIXFR, ClassINET}
dns.Ns[0] = s
return dns
}
// SetAxfr creates message for requesting an AXFR.
func (dns *Msg) SetAxfr(z string) *Msg {
dns.Id = Id()
dns.Question = make([]Question, 1)
dns.Question[0] = Question{z, TypeAXFR, ClassINET}
return dns
}
// SetTsig appends a TSIG RR to the message.
// This is only a skeleton TSIG RR that is added as the last RR in the
// additional section. The Tsig is calculated when the message is being send.
func (dns *Msg) SetTsig(z, algo string, fudge, timesigned int64) *Msg {
t := new(TSIG)
t.Hdr = RR_Header{z, TypeTSIG, ClassANY, 0, 0}
t.Algorithm = algo
t.Fudge = 300
t.TimeSigned = uint64(timesigned)
t.OrigId = dns.Id
dns.Extra = append(dns.Extra, t)
return dns
}
// SetEdns0 appends a EDNS0 OPT RR to the message.
// TSIG should always the last RR in a message.
func (dns *Msg) SetEdns0(udpsize uint16, do bool) *Msg {
e := new(OPT)
e.Hdr.Name = "."
e.Hdr.Rrtype = TypeOPT
e.SetUDPSize(udpsize)
if do {
e.SetDo()
}
dns.Extra = append(dns.Extra, e)
return dns
}
// IsTsig checks if the message has a TSIG record as the last record
// in the additional section. It returns the TSIG record found or nil.
func (dns *Msg) IsTsig() *TSIG {
if len(dns.Extra) > 0 {
if dns.Extra[len(dns.Extra)-1].Header().Rrtype == TypeTSIG {
return dns.Extra[len(dns.Extra)-1].(*TSIG)
}
}
return nil
}
// IsEdns0 checks if the message has a EDNS0 (OPT) record, any EDNS0
// record in the additional section will do. It returns the OPT record
// found or nil.
func (dns *Msg) IsEdns0() *OPT {
// EDNS0 is at the end of the additional section, start there.
// We might want to change this to *only* look at the last two
// records. So we see TSIG and/or OPT - this a slightly bigger
// change though.
for i := len(dns.Extra) - 1; i >= 0; i-- {
if dns.Extra[i].Header().Rrtype == TypeOPT {
return dns.Extra[i].(*OPT)
}
}
return nil
}
// IsDomainName checks if s is a valid domain name, it returns the number of
// labels and true, when a domain name is valid. Note that non fully qualified
// domain name is considered valid, in this case the last label is counted in
// the number of labels. When false is returned the number of labels is not
// defined. Also note that this function is extremely liberal; almost any
// string is a valid domain name as the DNS is 8 bit protocol. It checks if each
// label fits in 63 characters, but there is no length check for the entire
// string s. I.e. a domain name longer than 255 characters is considered valid.
func IsDomainName(s string) (labels int, ok bool) {
_, labels, err := packDomainName(s, nil, 0, nil, false)
return labels, err == nil
}
// IsSubDomain checks if child is indeed a child of the parent. If child and parent
// are the same domain true is returned as well.
func IsSubDomain(parent, child string) bool {
// Entire child is contained in parent
return CompareDomainName(parent, child) == CountLabel(parent)
}
// IsMsg sanity checks buf and returns an error if it isn't a valid DNS packet.
// The checking is performed on the binary payload.
func IsMsg(buf []byte) error {
// Header
if len(buf) < 12 {
return errors.New("dns: bad message header")
}
// Header: Opcode
// TODO(miek): more checks here, e.g. check all header bits.
return nil
}
// IsFqdn checks if a domain name is fully qualified.
func IsFqdn(s string) bool {
l := len(s)
if l == 0 {
return false
}
return s[l-1] == '.'
}
// IsRRset checks if a set of RRs is a valid RRset as defined by RFC 2181.
// This means the RRs need to have the same type, name, and class. Returns true
// if the RR set is valid, otherwise false.
func IsRRset(rrset []RR) bool {
if len(rrset) == 0 {
return false
}
if len(rrset) == 1 {
return true
}
rrHeader := rrset[0].Header()
rrType := rrHeader.Rrtype
rrClass := rrHeader.Class
rrName := rrHeader.Name
for _, rr := range rrset[1:] {
curRRHeader := rr.Header()
if curRRHeader.Rrtype != rrType || curRRHeader.Class != rrClass || curRRHeader.Name != rrName {
// Mismatch between the records, so this is not a valid rrset for
//signing/verifying
return false
}
}
return true
}
// Fqdn return the fully qualified domain name from s.
// If s is already fully qualified, it behaves as the identity function.
func Fqdn(s string) string {
if IsFqdn(s) {
return s
}
return s + "."
}
// Copied from the official Go code.
// ReverseAddr returns the in-addr.arpa. or ip6.arpa. hostname of the IP
// address suitable for reverse DNS (PTR) record lookups or an error if it fails
// to parse the IP address.
func ReverseAddr(addr string) (arpa string, err error) {
ip := net.ParseIP(addr)
if ip == nil {
return "", &Error{err: "unrecognized address: " + addr}
}
if ip.To4() != nil {
return strconv.Itoa(int(ip[15])) + "." + strconv.Itoa(int(ip[14])) + "." + strconv.Itoa(int(ip[13])) + "." +
strconv.Itoa(int(ip[12])) + ".in-addr.arpa.", nil
}
// Must be IPv6
buf := make([]byte, 0, len(ip)*4+len("ip6.arpa."))
// Add it, in reverse, to the buffer
for i := len(ip) - 1; i >= 0; i-- {
v := ip[i]
buf = append(buf, hexDigit[v&0xF])
buf = append(buf, '.')
buf = append(buf, hexDigit[v>>4])
buf = append(buf, '.')
}
// Append "ip6.arpa." and return (buf already has the final .)
buf = append(buf, "ip6.arpa."...)
return string(buf), nil
}
// String returns the string representation for the type t.
func (t Type) String() string {
if t1, ok := TypeToString[uint16(t)]; ok {
return t1
}
return "TYPE" + strconv.Itoa(int(t))
}
// String returns the string representation for the class c.
func (c Class) String() string {
if c1, ok := ClassToString[uint16(c)]; ok {
return c1
}
return "CLASS" + strconv.Itoa(int(c))
}
// String returns the string representation for the name n.
func (n Name) String() string {
return sprintName(string(n))
}
vendor/github.com/miekg/dns/dns.go 已删除 100644 → 0
浏览文件 @ 7560384f
package dns
import "strconv"
const (
year68 = 1 << 31 // For RFC1982 (Serial Arithmetic) calculations in 32 bits.
defaultTtl = 3600 // Default internal TTL.
DefaultMsgSize = 4096 // DefaultMsgSize is the standard default for messages larger than 512 bytes.
MinMsgSize = 512 // MinMsgSize is the minimal size of a DNS packet.
MaxMsgSize = 65535 // MaxMsgSize is the largest possible DNS packet.
)
// Error represents a DNS error.
type Error struct{ err string }
func (e *Error) Error() string {
if e == nil {
return "dns: <nil>"
}
return "dns: " + e.err
}
// An RR represents a resource record.
type RR interface {
// Header returns the header of an resource record. The header contains
// everything up to the rdata.
Header() *RR_Header
// String returns the text representation of the resource record.
String() string
// copy returns a copy of the RR
copy() RR
// len returns the length (in octets) of the uncompressed RR in wire format.
len() int
// pack packs an RR into wire format.
pack([]byte, int, map[string]int, bool) (int, error)
}
// RR_Header is the header all DNS resource records share.
type RR_Header struct {
Name string `dns:"cdomain-name"`
Rrtype uint16
Class uint16
Ttl uint32
Rdlength uint16 // Length of data after header.
}
// Header returns itself. This is here to make RR_Header implements the RR interface.
func (h *RR_Header) Header() *RR_Header { return h }
// Just to implement the RR interface.
func (h *RR_Header) copy() RR { return nil }
func (h *RR_Header) copyHeader() *RR_Header {
r := new(RR_Header)
r.Name = h.Name
r.Rrtype = h.Rrtype
r.Class = h.Class
r.Ttl = h.Ttl
r.Rdlength = h.Rdlength
return r
}
func (h *RR_Header) String() string {
var s string
if h.Rrtype == TypeOPT {
s = ";"
// and maybe other things
}
s += sprintName(h.Name) + "\t"
s += strconv.FormatInt(int64(h.Ttl), 10) + "\t"
s += Class(h.Class).String() + "\t"
s += Type(h.Rrtype).String() + "\t"
return s
}
func (h *RR_Header) len() int {
l := len(h.Name) + 1
l += 10 // rrtype(2) + class(2) + ttl(4) + rdlength(2)
return l
}
// ToRFC3597 converts a known RR to the unknown RR representation from RFC 3597.
func (rr *RFC3597) ToRFC3597(r RR) error {
buf := make([]byte, r.len()*2)
off, err := PackRR(r, buf, 0, nil, false)
if err != nil {
return err
}
buf = buf[:off]
if int(r.Header().Rdlength) > off {
return ErrBuf
}
rfc3597, _, err := unpackRFC3597(*r.Header(), buf, off-int(r.Header().Rdlength))
if err != nil {
return err
}
*rr = *rfc3597.(*RFC3597)
return nil
}
vendor/github.com/miekg/dns/dnssec.go 已删除 100644 → 0
浏览文件 @ 7560384f
此差异已折叠。
vendor/github.com/miekg/dns/dnssec_keygen.go 已删除 100644 → 0
浏览文件 @ 7560384f
package dns
import (
"crypto"
"crypto/dsa"
"crypto/ecdsa"
"crypto/elliptic"
"crypto/rand"
"crypto/rsa"
"math/big"
)
// Generate generates a DNSKEY of the given bit size.
// The public part is put inside the DNSKEY record.
// The Algorithm in the key must be set as this will define
// what kind of DNSKEY will be generated.
// The ECDSA algorithms imply a fixed keysize, in that case
// bits should be set to the size of the algorithm.
func (k *DNSKEY) Generate(bits int) (crypto.PrivateKey, error) {
switch k.Algorithm {
case DSA, DSANSEC3SHA1:
if bits != 1024 {
return nil, ErrKeySize
}
case RSAMD5, RSASHA1, RSASHA256, RSASHA1NSEC3SHA1:
if bits < 512 || bits > 4096 {
return nil, ErrKeySize
}
case RSASHA512:
if bits < 1024 || bits > 4096 {
return nil, ErrKeySize
}
case ECDSAP256SHA256:
if bits != 256 {
return nil, ErrKeySize
}
case ECDSAP384SHA384:
if bits != 384 {
return nil, ErrKeySize
}
}
switch k.Algorithm {
case DSA, DSANSEC3SHA1:
params := new(dsa.Parameters)
if err := dsa.GenerateParameters(params, rand.Reader, dsa.L1024N160); err != nil {
return nil, err
}
priv := new(dsa.PrivateKey)
priv.PublicKey.Parameters = *params
err := dsa.GenerateKey(priv, rand.Reader)
if err != nil {
return nil, err
}
k.setPublicKeyDSA(params.Q, params.P, params.G, priv.PublicKey.Y)
return priv, nil
case RSAMD5, RSASHA1, RSASHA256, RSASHA512, RSASHA1NSEC3SHA1:
priv, err := rsa.GenerateKey(rand.Reader, bits)
if err != nil {
return nil, err
}
k.setPublicKeyRSA(priv.PublicKey.E, priv.PublicKey.N)
return priv, nil
case ECDSAP256SHA256, ECDSAP384SHA384:
var c elliptic.Curve
switch k.Algorithm {
case ECDSAP256SHA256:
c = elliptic.P256()
case ECDSAP384SHA384:
c = elliptic.P384()
}
priv, err := ecdsa.GenerateKey(c, rand.Reader)
if err != nil {
return nil, err
}
k.setPublicKeyECDSA(priv.PublicKey.X, priv.PublicKey.Y)
return priv, nil
default:
return nil, ErrAlg
}
}
// Set the public key (the value E and N)
func (k *DNSKEY) setPublicKeyRSA(_E int, _N *big.Int) bool {
if _E == 0 || _N == nil {
return false
}
buf := exponentToBuf(_E)
buf = append(buf, _N.Bytes()...)
k.PublicKey = toBase64(buf)
return true
}
// Set the public key for Elliptic Curves
func (k *DNSKEY) setPublicKeyECDSA(_X, _Y *big.Int) bool {
if _X == nil || _Y == nil {
return false
}
var intlen int
switch k.Algorithm {
case ECDSAP256SHA256:
intlen = 32
case ECDSAP384SHA384:
intlen = 48
}
k.PublicKey = toBase64(curveToBuf(_X, _Y, intlen))
return true
}
// Set the public key for DSA
func (k *DNSKEY) setPublicKeyDSA(_Q, _P, _G, _Y *big.Int) bool {
if _Q == nil || _P == nil || _G == nil || _Y == nil {
return false
}
buf := dsaToBuf(_Q, _P, _G, _Y)
k.PublicKey = toBase64(buf)
return true
}
// Set the public key (the values E and N) for RSA
// RFC 3110: Section 2. RSA Public KEY Resource Records
func exponentToBuf(_E int) []byte {
var buf []byte
i := big.NewInt(int64(_E))
if len(i.Bytes()) < 256 {
buf = make([]byte, 1)
buf[0] = uint8(len(i.Bytes()))
} else {
buf = make([]byte, 3)
buf[0] = 0
buf[1] = uint8(len(i.Bytes()) >> 8)
buf[2] = uint8(len(i.Bytes()))
}
buf = append(buf, i.Bytes()...)
return buf
}
// Set the public key for X and Y for Curve. The two
// values are just concatenated.
func curveToBuf(_X, _Y *big.Int, intlen int) []byte {
buf := intToBytes(_X, intlen)
buf = append(buf, intToBytes(_Y, intlen)...)
return buf
}
// Set the public key for X and Y for Curve. The two
// values are just concatenated.
func dsaToBuf(_Q, _P, _G, _Y *big.Int) []byte {
t := divRoundUp(divRoundUp(_G.BitLen(), 8)-64, 8)
buf := []byte{byte(t)}
buf = append(buf, intToBytes(_Q, 20)...)
buf = append(buf, intToBytes(_P, 64+t*8)...)
buf = append(buf, intToBytes(_G, 64+t*8)...)
buf = append(buf, intToBytes(_Y, 64+t*8)...)
return buf
}
vendor/github.com/miekg/dns/dnssec_keyscan.go 已删除 100644 → 0
浏览文件 @ 7560384f
此差异已折叠。
vendor/github.com/miekg/dns/dnssec_privkey.go 已删除 100644 → 0
浏览文件 @ 7560384f
此差异已折叠。
vendor/github.com/miekg/dns/doc.go 已删除 100644 → 0
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// +build !linux,!plan9
package dns
import (
"net"
"syscall"
)
// These do nothing. See udp_linux.go for an example of how to implement this.
// We tried to adhire to some kind of naming scheme.
func setUDPSocketOptions4(conn *net.UDPConn) error { return nil }
func setUDPSocketOptions6(conn *net.UDPConn) error { return nil }
func getUDPSocketOptions6Only(conn *net.UDPConn) (bool, error) { return false, nil }
func getUDPSocketName(conn *net.UDPConn) (syscall.Sockaddr, error) { return nil, nil }
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