diff --git a/trash.lock b/trash.lock index 74d1e0dc47..79543f1566 100755 --- a/trash.lock +++ b/trash.lock @@ -125,6 +125,8 @@ import: version: v1.0.21 - package: github.com/google/gofuzz version: 44d81051d367757e1c7c6a5a86423ece9afcf63c +- package: github.com/google/tcpproxy + version: dfa16c61dad2b18a385dfb351adf71566720535b - package: github.com/googleapis/gnostic version: 0c5108395e2debce0d731cf0287ddf7242066aba - package: github.com/gorilla/mux @@ -225,7 +227,8 @@ import: - package: github.com/prometheus/procfs version: 65c1f6f8f0fc1e2185eb9863a3bc751496404259 - package: github.com/rancher/dynamiclistener - version: 077eb13a904f2c62496f31b158135d9743526f82 + version: 03208cf106d553d58d3a73267aa473a45af63120 + repo: https://github.com/erikwilson/rancher-dynamiclistener.git - package: github.com/rancher/helm-controller version: d5f5c830231110722f14d446d3b2038e5cdf1532 - package: github.com/rancher/remotedialer @@ -310,7 +313,7 @@ import: - package: k8s.io/klog version: v0.2.0-14-g8e90cee79f8237 - package: k8s.io/kubernetes - version: v1.14.3-k3s.1 + version: v1.14.3-k3s.2 repo: https://github.com/rancher/k3s.git transitive: true staging: true diff --git a/vendor.conf b/vendor.conf index 67d07ff993..34ac3014f8 100644 --- a/vendor.conf +++ b/vendor.conf @@ -9,7 +9,8 @@ package=github.com/opencontainers/runc/libcontainer/nsenter package=github.com/opencontainers/runc/libcontainer/specconv package=github.com/opencontainers/runc/contrib/cmd/recvtty -k8s.io/kubernetes v1.14.3-k3s.1 https://github.com/rancher/k3s.git transitive=true,staging=true +k8s.io/kubernetes v1.14.3-k3s.2 https://github.com/rancher/k3s.git transitive=true,staging=true +github.com/rancher/dynamiclistener 03208cf106d553d58d3a73267aa473a45af63120 https://github.com/erikwilson/rancher-dynamiclistener.git github.com/rancher/wrangler 4202dbfa88013c19238bb004d82e013f0593493d github.com/rancher/wrangler-api efe26ac6a9d720e1bfa5a8cc5f8dce5ad598ce26 @@ -29,6 +30,7 @@ golang.org/x/crypto a49355c7e3f8fe157a85be2f77e6e269a0f89602 gopkg.in/freddierice/go-losetup.v1 fc9adea44124401d8bfef3a97eaf61b5d44cc2c6 github.com/urfave/cli 8e01ec4cd3e2d84ab2fe90d8210528ffbb06d8ff golang.org/x/sync 450f422ab23cf9881c94e2db30cac0eb1b7cf80c +github.com/google/tcpproxy dfa16c61dad2b18a385dfb351adf71566720535b # flannel github.com/golang/glog 23def4e6c14b4da8ac2ed8007337bc5eb5007998 diff --git a/vendor/github.com/google/tcpproxy/.gitignore b/vendor/github.com/google/tcpproxy/.gitignore new file mode 100644 index 0000000000..ab78466b90 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/.gitignore @@ -0,0 +1,2 @@ +tlsrouter +tlsrouter.test diff --git a/vendor/github.com/google/tcpproxy/.travis.yml b/vendor/github.com/google/tcpproxy/.travis.yml new file mode 100644 index 0000000000..9c94088fa3 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/.travis.yml @@ -0,0 +1,49 @@ +language: go +go: +- 1.8 +- tip +os: +- linux +install: +- go get github.com/golang/lint/golint +before_script: +script: +- go get -t ./... +- go build ./... +- go test ./... +- go vet ./... +- golint -set_exit_status . + +jobs: + include: + - stage: deploy + go: 1.8 + install: + - gem install fpm + script: + - go build ./cmd/tlsrouter + - fpm -s dir -t deb -n tlsrouter -v $(date '+%Y%m%d%H%M%S') + --license Apache2 + --vendor "David Anderson " + --maintainer "David Anderson " + --description "TLS SNI router" + --url "https://github.com/google/tlsrouter" + ./tlsrouter=/usr/bin/tlsrouter + ./systemd/tlsrouter.service=/lib/systemd/system/tlsrouter.service + deploy: + - provider: packagecloud + repository: tlsrouter + username: danderson + dist: debian/stretch + skip_cleanup: true + on: + branch: master + token: + secure: 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 + - provider: script + on: + branch: master + script: go run scripts/prune_old_versions.go -user=danderson -repo=tlsrouter -distro=debian -version=stretch -package=tlsrouter -arch=amd64 -limit=2 + env: + # Packagecloud API key, for prune_old_versions.go + - secure: "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" diff --git a/vendor/github.com/google/tcpproxy/CONTRIBUTING.md b/vendor/github.com/google/tcpproxy/CONTRIBUTING.md new file mode 100644 index 0000000000..188ad870fc --- /dev/null +++ b/vendor/github.com/google/tcpproxy/CONTRIBUTING.md @@ -0,0 +1,8 @@ +Contributions are welcome by pull request. + +You need to sign the Google Contributor License Agreement before your +contributions can be accepted. You can find the individual and organization +level CLAs here: + +Individual: https://cla.developers.google.com/about/google-individual +Organization: https://cla.developers.google.com/about/google-corporate diff --git a/vendor/github.com/google/tcpproxy/LICENSE b/vendor/github.com/google/tcpproxy/LICENSE new file mode 100644 index 0000000000..d645695673 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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In no event and under no legal theory, + whether in tort (including negligence), contract, or otherwise, + unless required by applicable law (such as deliberate and grossly + negligent acts) or agreed to in writing, shall any Contributor be + liable to You for damages, including any direct, indirect, special, + incidental, or consequential damages of any character arising as a + result of this License or out of the use or inability to use the + Work (including but not limited to damages for loss of goodwill, + work stoppage, computer failure or malfunction, or any and all + other commercial damages or losses), even if such Contributor + has been advised of the possibility of such damages. + + 9. Accepting Warranty or Additional Liability. While redistributing + the Work or Derivative Works thereof, You may choose to offer, + and charge a fee for, acceptance of support, warranty, indemnity, + or other liability obligations and/or rights consistent with this + License. However, in accepting such obligations, You may act only + on Your own behalf and on Your sole responsibility, not on behalf + of any other Contributor, and only if You agree to indemnify, + defend, and hold each Contributor harmless for any liability + incurred by, or claims asserted against, such Contributor by reason + of your accepting any such warranty or additional liability. + + END OF TERMS AND CONDITIONS + + APPENDIX: How to apply the Apache License to your work. + + To apply the Apache License to your work, attach the following + boilerplate notice, with the fields enclosed by brackets "[]" + replaced with your own identifying information. (Don't include + the brackets!) The text should be enclosed in the appropriate + comment syntax for the file format. We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + 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. diff --git a/vendor/github.com/google/tcpproxy/README.md b/vendor/github.com/google/tcpproxy/README.md new file mode 100644 index 0000000000..374f52c9ee --- /dev/null +++ b/vendor/github.com/google/tcpproxy/README.md @@ -0,0 +1,5 @@ +# tcpproxy + +For library usage, see https://godoc.org/github.com/google/tcpproxy/ + +For CLI usage, see https://github.com/google/tcpproxy/blob/master/cmd/tlsrouter/README.md diff --git a/vendor/github.com/google/tcpproxy/http.go b/vendor/github.com/google/tcpproxy/http.go new file mode 100644 index 0000000000..d28c66fa88 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/http.go @@ -0,0 +1,125 @@ +// Copyright 2017 Google 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 tcpproxy + +import ( + "bufio" + "bytes" + "context" + "net/http" +) + +// AddHTTPHostRoute appends a route to the ipPort listener that +// routes to dest if the incoming HTTP/1.x Host header name is +// httpHost. If it doesn't match, rule processing continues for any +// additional routes on ipPort. +// +// The ipPort is any valid net.Listen TCP address. +func (p *Proxy) AddHTTPHostRoute(ipPort, httpHost string, dest Target) { + p.AddHTTPHostMatchRoute(ipPort, equals(httpHost), dest) +} + +// AddHTTPHostMatchRoute appends a route to the ipPort listener that +// routes to dest if the incoming HTTP/1.x Host header name is +// accepted by matcher. If it doesn't match, rule processing continues +// for any additional routes on ipPort. +// +// The ipPort is any valid net.Listen TCP address. +func (p *Proxy) AddHTTPHostMatchRoute(ipPort string, match Matcher, dest Target) { + p.addRoute(ipPort, httpHostMatch{match, dest}) +} + +type httpHostMatch struct { + matcher Matcher + target Target +} + +func (m httpHostMatch) match(br *bufio.Reader) (Target, string) { + hh := httpHostHeader(br) + if m.matcher(context.TODO(), hh) { + return m.target, hh + } + return nil, "" +} + +// httpHostHeader returns the HTTP Host header from br without +// consuming any of its bytes. It returns "" if it can't find one. +func httpHostHeader(br *bufio.Reader) string { + const maxPeek = 4 << 10 + peekSize := 0 + for { + peekSize++ + if peekSize > maxPeek { + b, _ := br.Peek(br.Buffered()) + return httpHostHeaderFromBytes(b) + } + b, err := br.Peek(peekSize) + if n := br.Buffered(); n > peekSize { + b, _ = br.Peek(n) + peekSize = n + } + if len(b) > 0 { + if b[0] < 'A' || b[0] > 'Z' { + // Doesn't look like an HTTP verb + // (GET, POST, etc). + return "" + } + if bytes.Index(b, crlfcrlf) != -1 || bytes.Index(b, lflf) != -1 { + req, err := http.ReadRequest(bufio.NewReader(bytes.NewReader(b))) + if err != nil { + return "" + } + if len(req.Header["Host"]) > 1 { + // TODO(bradfitz): what does + // ReadRequest do if there are + // multiple Host headers? + return "" + } + return req.Host + } + } + if err != nil { + return httpHostHeaderFromBytes(b) + } + } +} + +var ( + lfHostColon = []byte("\nHost:") + lfhostColon = []byte("\nhost:") + crlf = []byte("\r\n") + lf = []byte("\n") + crlfcrlf = []byte("\r\n\r\n") + lflf = []byte("\n\n") +) + +func httpHostHeaderFromBytes(b []byte) string { + if i := bytes.Index(b, lfHostColon); i != -1 { + return string(bytes.TrimSpace(untilEOL(b[i+len(lfHostColon):]))) + } + if i := bytes.Index(b, lfhostColon); i != -1 { + return string(bytes.TrimSpace(untilEOL(b[i+len(lfhostColon):]))) + } + return "" +} + +// untilEOL returns v, truncated before the first '\n' byte, if any. +// The returned slice may include a '\r' at the end. +func untilEOL(v []byte) []byte { + if i := bytes.IndexByte(v, '\n'); i != -1 { + return v[:i] + } + return v +} diff --git a/vendor/github.com/google/tcpproxy/listener.go b/vendor/github.com/google/tcpproxy/listener.go new file mode 100644 index 0000000000..1ddc48ee21 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/listener.go @@ -0,0 +1,108 @@ +// Copyright 2017 Google 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 tcpproxy + +import ( + "io" + "net" + "sync" +) + +// TargetListener implements both net.Listener and Target. +// Matched Targets become accepted connections. +type TargetListener struct { + Address string // Address is the string reported by TargetListener.Addr().String(). + + mu sync.Mutex + cond *sync.Cond + closed bool + nextConn net.Conn +} + +var ( + _ net.Listener = (*TargetListener)(nil) + _ Target = (*TargetListener)(nil) +) + +func (tl *TargetListener) lock() { + tl.mu.Lock() + if tl.cond == nil { + tl.cond = sync.NewCond(&tl.mu) + } +} + +type tcpAddr string + +func (a tcpAddr) Network() string { return "tcp" } +func (a tcpAddr) String() string { return string(a) } + +// Addr returns the listener's Address field as a net.Addr. +func (tl *TargetListener) Addr() net.Addr { return tcpAddr(tl.Address) } + +// Close stops listening for new connections. All new connections +// routed to this listener will be closed. Already accepted +// connections are not closed. +func (tl *TargetListener) Close() error { + tl.lock() + if tl.closed { + tl.mu.Unlock() + return nil + } + tl.closed = true + tl.mu.Unlock() + tl.cond.Broadcast() + return nil +} + +// HandleConn implements the Target interface. It blocks until tl is +// closed or another goroutine has called Accept and received c. +func (tl *TargetListener) HandleConn(c net.Conn) { + tl.lock() + defer tl.mu.Unlock() + for tl.nextConn != nil && !tl.closed { + tl.cond.Wait() + } + if tl.closed { + c.Close() + return + } + tl.nextConn = c + tl.cond.Broadcast() // Signal might be sufficient; verify. + for tl.nextConn == c && !tl.closed { + tl.cond.Wait() + } + if tl.closed { + c.Close() + return + } +} + +// Accept implements the Accept method in the net.Listener interface. +func (tl *TargetListener) Accept() (net.Conn, error) { + tl.lock() + for tl.nextConn == nil && !tl.closed { + tl.cond.Wait() + } + if tl.closed { + tl.mu.Unlock() + return nil, io.EOF + } + c := tl.nextConn + tl.nextConn = nil + tl.mu.Unlock() + tl.cond.Broadcast() // Signal might be sufficient; verify. + + return c, nil +} diff --git a/vendor/github.com/google/tcpproxy/sni.go b/vendor/github.com/google/tcpproxy/sni.go new file mode 100644 index 0000000000..53b53c24d7 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/sni.go @@ -0,0 +1,192 @@ +// Copyright 2017 Google 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 tcpproxy + +import ( + "bufio" + "bytes" + "context" + "crypto/tls" + "io" + "net" + "strings" +) + +// AddSNIRoute appends a route to the ipPort listener that routes to +// dest if the incoming TLS SNI server name is sni. If it doesn't +// match, rule processing continues for any additional routes on +// ipPort. +// +// By default, the proxy will route all ACME tls-sni-01 challenges +// received on ipPort to all SNI dests. You can disable ACME routing +// with AddStopACMESearch. +// +// The ipPort is any valid net.Listen TCP address. +func (p *Proxy) AddSNIRoute(ipPort, sni string, dest Target) { + p.AddSNIMatchRoute(ipPort, equals(sni), dest) +} + +// AddSNIMatchRoute appends a route to the ipPort listener that routes +// to dest if the incoming TLS SNI server name is accepted by +// matcher. If it doesn't match, rule processing continues for any +// additional routes on ipPort. +// +// By default, the proxy will route all ACME tls-sni-01 challenges +// received on ipPort to all SNI dests. You can disable ACME routing +// with AddStopACMESearch. +// +// The ipPort is any valid net.Listen TCP address. +func (p *Proxy) AddSNIMatchRoute(ipPort string, matcher Matcher, dest Target) { + cfg := p.configFor(ipPort) + if !cfg.stopACME { + if len(cfg.acmeTargets) == 0 { + p.addRoute(ipPort, &acmeMatch{cfg}) + } + cfg.acmeTargets = append(cfg.acmeTargets, dest) + } + + p.addRoute(ipPort, sniMatch{matcher, dest}) +} + +// AddStopACMESearch prevents ACME probing of subsequent SNI routes. +// Any ACME challenges on ipPort for SNI routes previously added +// before this call will still be proxied to all possible SNI +// backends. +func (p *Proxy) AddStopACMESearch(ipPort string) { + p.configFor(ipPort).stopACME = true +} + +type sniMatch struct { + matcher Matcher + target Target +} + +func (m sniMatch) match(br *bufio.Reader) (Target, string) { + sni := clientHelloServerName(br) + if m.matcher(context.TODO(), sni) { + return m.target, sni + } + return nil, "" +} + +// acmeMatch matches "*.acme.invalid" ACME tls-sni-01 challenges and +// searches for a Target in cfg.acmeTargets that has the challenge +// response. +type acmeMatch struct { + cfg *config +} + +func (m *acmeMatch) match(br *bufio.Reader) (Target, string) { + sni := clientHelloServerName(br) + if !strings.HasSuffix(sni, ".acme.invalid") { + return nil, "" + } + + // TODO: cache. ACME issuers will hit multiple times in a short + // burst for each issuance event. A short TTL cache + singleflight + // should have an excellent hit rate. + // TODO: maybe an acme-specific timeout as well? + // TODO: plumb context upwards? + ctx, cancel := context.WithCancel(context.Background()) + defer cancel() + + ch := make(chan Target, len(m.cfg.acmeTargets)) + for _, target := range m.cfg.acmeTargets { + go tryACME(ctx, ch, target, sni) + } + for range m.cfg.acmeTargets { + if target := <-ch; target != nil { + return target, sni + } + } + + // No target was happy with the provided challenge. + return nil, "" +} + +func tryACME(ctx context.Context, ch chan<- Target, dest Target, sni string) { + var ret Target + defer func() { ch <- ret }() + + conn, targetConn := net.Pipe() + defer conn.Close() + go dest.HandleConn(targetConn) + + deadline, ok := ctx.Deadline() + if ok { + conn.SetDeadline(deadline) + } + + client := tls.Client(conn, &tls.Config{ + ServerName: sni, + InsecureSkipVerify: true, + }) + if err := client.Handshake(); err != nil { + // TODO: log? + return + } + certs := client.ConnectionState().PeerCertificates + if len(certs) == 0 { + // TODO: log? + return + } + // acme says the first cert offered by the server must match the + // challenge hostname. + if err := certs[0].VerifyHostname(sni); err != nil { + // TODO: log? + return + } + + // Target presented what looks like a valid challenge + // response, send it back to the matcher. + ret = dest +} + +// clientHelloServerName returns the SNI server name inside the TLS ClientHello, +// without consuming any bytes from br. +// On any error, the empty string is returned. +func clientHelloServerName(br *bufio.Reader) (sni string) { + const recordHeaderLen = 5 + hdr, err := br.Peek(recordHeaderLen) + if err != nil { + return "" + } + const recordTypeHandshake = 0x16 + if hdr[0] != recordTypeHandshake { + return "" // Not TLS. + } + recLen := int(hdr[3])<<8 | int(hdr[4]) // ignoring version in hdr[1:3] + helloBytes, err := br.Peek(recordHeaderLen + recLen) + if err != nil { + return "" + } + tls.Server(sniSniffConn{r: bytes.NewReader(helloBytes)}, &tls.Config{ + GetConfigForClient: func(hello *tls.ClientHelloInfo) (*tls.Config, error) { + sni = hello.ServerName + return nil, nil + }, + }).Handshake() + return +} + +// sniSniffConn is a net.Conn that reads from r, fails on Writes, +// and crashes otherwise. +type sniSniffConn struct { + r io.Reader + net.Conn // nil; crash on any unexpected use +} + +func (c sniSniffConn) Read(p []byte) (int, error) { return c.r.Read(p) } +func (sniSniffConn) Write(p []byte) (int, error) { return 0, io.EOF } diff --git a/vendor/github.com/google/tcpproxy/tcpproxy.go b/vendor/github.com/google/tcpproxy/tcpproxy.go new file mode 100644 index 0000000000..9826d94226 --- /dev/null +++ b/vendor/github.com/google/tcpproxy/tcpproxy.go @@ -0,0 +1,474 @@ +// Copyright 2017 Google 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 tcpproxy lets users build TCP proxies, optionally making +// routing decisions based on HTTP/1 Host headers and the SNI hostname +// in TLS connections. +// +// Typical usage: +// +// var p tcpproxy.Proxy +// p.AddHTTPHostRoute(":80", "foo.com", tcpproxy.To("10.0.0.1:8081")) +// p.AddHTTPHostRoute(":80", "bar.com", tcpproxy.To("10.0.0.2:8082")) +// p.AddRoute(":80", tcpproxy.To("10.0.0.1:8081")) // fallback +// p.AddSNIRoute(":443", "foo.com", tcpproxy.To("10.0.0.1:4431")) +// p.AddSNIRoute(":443", "bar.com", tcpproxy.To("10.0.0.2:4432")) +// p.AddRoute(":443", tcpproxy.To("10.0.0.1:4431")) // fallback +// log.Fatal(p.Run()) +// +// Calling Run (or Start) on a proxy also starts all the necessary +// listeners. +// +// For each accepted connection, the rules for that ipPort are +// matched, in order. If one matches (currently HTTP Host, SNI, or +// always), then the connection is handed to the target. +// +// The two predefined Target implementations are: +// +// 1) DialProxy, proxying to another address (use the To func to return a +// DialProxy value), +// +// 2) TargetListener, making the matched connection available via a +// net.Listener.Accept call. +// +// But Target is an interface, so you can also write your own. +// +// Note that tcpproxy does not do any TLS encryption or decryption. It +// only (via DialProxy) copies bytes around. The SNI hostname in the TLS +// header is unencrypted, for better or worse. +// +// This package makes no API stability promises. If you depend on it, +// vendor it. +package tcpproxy + +import ( + "bufio" + "context" + "errors" + "fmt" + "io" + "log" + "net" + "time" +) + +// Proxy is a proxy. Its zero value is a valid proxy that does +// nothing. Call methods to add routes before calling Start or Run. +// +// The order that routes are added in matters; each is matched in the order +// registered. +type Proxy struct { + configs map[string]*config // ip:port => config + + lns []net.Listener + donec chan struct{} // closed before err + err error // any error from listening + + // ListenFunc optionally specifies an alternate listen + // function. If nil, net.Dial is used. + // The provided net is always "tcp". + ListenFunc func(net, laddr string) (net.Listener, error) +} + +// Matcher reports whether hostname matches the Matcher's criteria. +type Matcher func(ctx context.Context, hostname string) bool + +// equals is a trivial Matcher that implements string equality. +func equals(want string) Matcher { + return func(_ context.Context, got string) bool { + return want == got + } +} + +// config contains the proxying state for one listener. +type config struct { + routes []route + acmeTargets []Target // accumulates targets that should be probed for acme. + stopACME bool // if true, AddSNIRoute doesn't add targets to acmeTargets. +} + +// A route matches a connection to a target. +type route interface { + // match examines the initial bytes of a connection, looking for a + // match. If a match is found, match returns a non-nil Target to + // which the stream should be proxied. match returns nil if the + // connection doesn't match. + // + // match must not consume bytes from the given bufio.Reader, it + // can only Peek. + // + // If an sni or host header was parsed successfully, that will be + // returned as the second parameter. + match(*bufio.Reader) (Target, string) +} + +func (p *Proxy) netListen() func(net, laddr string) (net.Listener, error) { + if p.ListenFunc != nil { + return p.ListenFunc + } + return net.Listen +} + +func (p *Proxy) configFor(ipPort string) *config { + if p.configs == nil { + p.configs = make(map[string]*config) + } + if p.configs[ipPort] == nil { + p.configs[ipPort] = &config{} + } + return p.configs[ipPort] +} + +func (p *Proxy) addRoute(ipPort string, r route) { + cfg := p.configFor(ipPort) + cfg.routes = append(cfg.routes, r) +} + +// AddRoute appends an always-matching route to the ipPort listener, +// directing any connection to dest. +// +// This is generally used as either the only rule (for simple TCP +// proxies), or as the final fallback rule for an ipPort. +// +// The ipPort is any valid net.Listen TCP address. +func (p *Proxy) AddRoute(ipPort string, dest Target) { + p.addRoute(ipPort, fixedTarget{dest}) +} + +type fixedTarget struct { + t Target +} + +func (m fixedTarget) match(*bufio.Reader) (Target, string) { return m.t, "" } + +// Run is calls Start, and then Wait. +// +// It blocks until there's an error. The return value is always +// non-nil. +func (p *Proxy) Run() error { + if err := p.Start(); err != nil { + return err + } + return p.Wait() +} + +// Wait waits for the Proxy to finish running. Currently this can only +// happen if a Listener is closed, or Close is called on the proxy. +// +// It is only valid to call Wait after a successful call to Start. +func (p *Proxy) Wait() error { + <-p.donec + return p.err +} + +// Close closes all the proxy's self-opened listeners. +func (p *Proxy) Close() error { + for _, c := range p.lns { + c.Close() + } + return nil +} + +// Start creates a TCP listener for each unique ipPort from the +// previously created routes and starts the proxy. It returns any +// error from starting listeners. +// +// If it returns a non-nil error, any successfully opened listeners +// are closed. +func (p *Proxy) Start() error { + if p.donec != nil { + return errors.New("already started") + } + p.donec = make(chan struct{}) + errc := make(chan error, len(p.configs)) + p.lns = make([]net.Listener, 0, len(p.configs)) + for ipPort, config := range p.configs { + ln, err := p.netListen()("tcp", ipPort) + if err != nil { + p.Close() + return err + } + p.lns = append(p.lns, ln) + go p.serveListener(errc, ln, config.routes) + } + go p.awaitFirstError(errc) + return nil +} + +func (p *Proxy) awaitFirstError(errc <-chan error) { + p.err = <-errc + close(p.donec) +} + +func (p *Proxy) serveListener(ret chan<- error, ln net.Listener, routes []route) { + for { + c, err := ln.Accept() + if err != nil { + ret <- err + return + } + go p.serveConn(c, routes) + } +} + +// serveConn runs in its own goroutine and matches c against routes. +// It returns whether it matched purely for testing. +func (p *Proxy) serveConn(c net.Conn, routes []route) bool { + br := bufio.NewReader(c) + for _, route := range routes { + if target, hostName := route.match(br); target != nil { + if n := br.Buffered(); n > 0 { + peeked, _ := br.Peek(br.Buffered()) + c = &Conn{ + HostName: hostName, + Peeked: peeked, + Conn: c, + } + } + target.HandleConn(c) + return true + } + } + // TODO: hook for this? + log.Printf("tcpproxy: no routes matched conn %v/%v; closing", c.RemoteAddr().String(), c.LocalAddr().String()) + c.Close() + return false +} + +// Conn is an incoming connection that has had some bytes read from it +// to determine how to route the connection. The Read method stitches +// the peeked bytes and unread bytes back together. +type Conn struct { + // HostName is the hostname field that was sent to the request router. + // In the case of TLS, this is the SNI header, in the case of HTTPHost + // route, it will be the host header. In the case of a fixed + // route, i.e. those created with AddRoute(), this will always be + // empty. This can be useful in the case where further routing decisions + // need to be made in the Target impementation. + HostName string + + // Peeked are the bytes that have been read from Conn for the + // purposes of route matching, but have not yet been consumed + // by Read calls. It set to nil by Read when fully consumed. + Peeked []byte + + // Conn is the underlying connection. + // It can be type asserted against *net.TCPConn or other types + // as needed. It should not be read from directly unless + // Peeked is nil. + net.Conn +} + +func (c *Conn) Read(p []byte) (n int, err error) { + if len(c.Peeked) > 0 { + n = copy(p, c.Peeked) + c.Peeked = c.Peeked[n:] + if len(c.Peeked) == 0 { + c.Peeked = nil + } + return n, nil + } + return c.Conn.Read(p) +} + +// Target is what an incoming matched connection is sent to. +type Target interface { + // HandleConn is called when an incoming connection is + // matched. After the call to HandleConn, the tcpproxy + // package never touches the conn again. Implementations are + // responsible for closing the connection when needed. + // + // The concrete type of conn will be of type *Conn if any + // bytes have been consumed for the purposes of route + // matching. + HandleConn(net.Conn) +} + +// To is shorthand way of writing &tlsproxy.DialProxy{Addr: addr}. +func To(addr string) *DialProxy { + return &DialProxy{Addr: addr} +} + +// DialProxy implements Target by dialing a new connection to Addr +// and then proxying data back and forth. +// +// The To func is a shorthand way of creating a DialProxy. +type DialProxy struct { + // Addr is the TCP address to proxy to. + Addr string + + // KeepAlivePeriod sets the period between TCP keep alives. + // If zero, a default is used. To disable, use a negative number. + // The keep-alive is used for both the client connection and + KeepAlivePeriod time.Duration + + // DialTimeout optionally specifies a dial timeout. + // If zero, a default is used. + // If negative, the timeout is disabled. + DialTimeout time.Duration + + // DialContext optionally specifies an alternate dial function + // for TCP targets. If nil, the standard + // net.Dialer.DialContext method is used. + DialContext func(ctx context.Context, network, address string) (net.Conn, error) + + // OnDialError optionally specifies an alternate way to handle errors dialing Addr. + // If nil, the error is logged and src is closed. + // If non-nil, src is not closed automatically. + OnDialError func(src net.Conn, dstDialErr error) + + // ProxyProtocolVersion optionally specifies the version of + // HAProxy's PROXY protocol to use. The PROXY protocol provides + // connection metadata to the DialProxy target, via a header + // inserted ahead of the client's traffic. The DialProxy target + // must explicitly support and expect the PROXY header; there is + // no graceful downgrade. + // If zero, no PROXY header is sent. Currently, version 1 is supported. + ProxyProtocolVersion int +} + +// UnderlyingConn returns c.Conn if c of type *Conn, +// otherwise it returns c. +func UnderlyingConn(c net.Conn) net.Conn { + if wrap, ok := c.(*Conn); ok { + return wrap.Conn + } + return c +} + +func goCloseConn(c net.Conn) { go c.Close() } + +// HandleConn implements the Target interface. +func (dp *DialProxy) HandleConn(src net.Conn) { + ctx := context.Background() + var cancel context.CancelFunc + if dp.DialTimeout >= 0 { + ctx, cancel = context.WithTimeout(ctx, dp.dialTimeout()) + } + dst, err := dp.dialContext()(ctx, "tcp", dp.Addr) + if cancel != nil { + cancel() + } + if err != nil { + dp.onDialError()(src, err) + return + } + defer goCloseConn(dst) + + if err = dp.sendProxyHeader(dst, src); err != nil { + dp.onDialError()(src, err) + return + } + defer goCloseConn(src) + + if ka := dp.keepAlivePeriod(); ka > 0 { + if c, ok := UnderlyingConn(src).(*net.TCPConn); ok { + c.SetKeepAlive(true) + c.SetKeepAlivePeriod(ka) + } + if c, ok := dst.(*net.TCPConn); ok { + c.SetKeepAlive(true) + c.SetKeepAlivePeriod(ka) + } + } + + errc := make(chan error, 1) + go proxyCopy(errc, src, dst) + go proxyCopy(errc, dst, src) + <-errc +} + +func (dp *DialProxy) sendProxyHeader(w io.Writer, src net.Conn) error { + switch dp.ProxyProtocolVersion { + case 0: + return nil + case 1: + var srcAddr, dstAddr *net.TCPAddr + if a, ok := src.RemoteAddr().(*net.TCPAddr); ok { + srcAddr = a + } + if a, ok := src.LocalAddr().(*net.TCPAddr); ok { + dstAddr = a + } + + if srcAddr == nil || dstAddr == nil { + _, err := io.WriteString(w, "PROXY UNKNOWN\r\n") + return err + } + + family := "TCP4" + if srcAddr.IP.To4() == nil { + family = "TCP6" + } + _, err := fmt.Fprintf(w, "PROXY %s %s %d %s %d\r\n", family, srcAddr.IP, srcAddr.Port, dstAddr.IP, dstAddr.Port) + return err + default: + return fmt.Errorf("PROXY protocol version %d not supported", dp.ProxyProtocolVersion) + } +} + +// proxyCopy is the function that copies bytes around. +// It's a named function instead of a func literal so users get +// named goroutines in debug goroutine stack dumps. +func proxyCopy(errc chan<- error, dst, src net.Conn) { + // Before we unwrap src and/or dst, copy any buffered data. + if wc, ok := src.(*Conn); ok && len(wc.Peeked) > 0 { + if _, err := dst.Write(wc.Peeked); err != nil { + errc <- err + return + } + wc.Peeked = nil + } + + // Unwrap the src and dst from *Conn to *net.TCPConn so Go + // 1.11's splice optimization kicks in. + src = UnderlyingConn(src) + dst = UnderlyingConn(dst) + + _, err := io.Copy(dst, src) + errc <- err +} + +func (dp *DialProxy) keepAlivePeriod() time.Duration { + if dp.KeepAlivePeriod != 0 { + return dp.KeepAlivePeriod + } + return time.Minute +} + +func (dp *DialProxy) dialTimeout() time.Duration { + if dp.DialTimeout > 0 { + return dp.DialTimeout + } + return 10 * time.Second +} + +var defaultDialer = new(net.Dialer) + +func (dp *DialProxy) dialContext() func(ctx context.Context, network, address string) (net.Conn, error) { + if dp.DialContext != nil { + return dp.DialContext + } + return defaultDialer.DialContext +} + +func (dp *DialProxy) onDialError() func(src net.Conn, dstDialErr error) { + if dp.OnDialError != nil { + return dp.OnDialError + } + return func(src net.Conn, dstDialErr error) { + log.Printf("tcpproxy: for incoming conn %v, error dialing %q: %v", src.RemoteAddr().String(), dp.Addr, dstDialErr) + src.Close() + } +} diff --git a/vendor/github.com/rancher/dynamiclistener/server.go b/vendor/github.com/rancher/dynamiclistener/server.go index 4a7877ff51..c839da5bd9 100644 --- a/vendor/github.com/rancher/dynamiclistener/server.go +++ b/vendor/github.com/rancher/dynamiclistener/server.go @@ -3,6 +3,8 @@ package dynamiclistener import ( "bytes" "context" + "crypto" + "crypto/ecdsa" "crypto/md5" "crypto/rsa" "crypto/tls" @@ -46,7 +48,7 @@ type server struct { // dynamic config change on refresh activeCert *tls.Certificate activeCA *x509.Certificate - activeCAKey *rsa.PrivateKey + activeCAKey crypto.Signer activeCAKeyString string domains map[string]bool } @@ -91,6 +93,40 @@ func (s *server) CACert() (string, error) { return status.CACert, nil } +func marshalPrivateKey(privateKey crypto.Signer) (string, []byte, error) { + var ( + keyType string + bytes []byte + err error + ) + if key, ok := privateKey.(*ecdsa.PrivateKey); ok { + keyType = cert.ECPrivateKeyBlockType + bytes, err = x509.MarshalECPrivateKey(key) + } else if key, ok := privateKey.(*rsa.PrivateKey); ok { + keyType = cert.RSAPrivateKeyBlockType + bytes = x509.MarshalPKCS1PrivateKey(key) + } else { + keyType = cert.PrivateKeyBlockType + bytes, err = x509.MarshalPKCS8PrivateKey(privateKey) + } + if err != nil { + logrus.Errorf("Unable to marshal private key: %v", err) + } + return keyType, bytes, err +} + +func newPrivateKey() (crypto.Signer, error) { + caKeyBytes, err := cert.MakeEllipticPrivateKeyPEM() + if err != nil { + return nil, err + } + caKeyIFace, err := cert.ParsePrivateKeyPEM(caKeyBytes) + if err != nil { + return nil, err + } + return caKeyIFace.(crypto.Signer), nil +} + func (s *server) save() { if s.activeCert != nil { return @@ -114,7 +150,10 @@ func (s *server) save() { } for key, cert := range s.certs { - certStr := certToString(cert) + certStr, err := certToString(cert) + if err != nil { + continue + } if cfg.GeneratedCerts[key] != certStr { cfg.GeneratedCerts[key] = certStr changed = true @@ -139,9 +178,14 @@ func (s *server) save() { } caKeyBuffer := bytes.Buffer{} + keyType, keyBytes, err := marshalPrivateKey(s.activeCAKey) + if err != nil { + return + } + if err := pem.Encode(&caKeyBuffer, &pem.Block{ - Type: cert.RSAPrivateKeyBlockType, - Bytes: x509.MarshalPKCS1PrivateKey(s.activeCAKey), + Type: keyType, + Bytes: keyBytes, }); err != nil { return } @@ -198,8 +242,8 @@ func (s *server) userConfigure() error { return nil } -func genCA() (*x509.Certificate, *rsa.PrivateKey, error) { - caKey, err := cert.NewPrivateKey() +func genCA() (*x509.Certificate, crypto.Signer, error) { + caKey, err := newPrivateKey() if err != nil { return nil, nil, err } @@ -225,7 +269,7 @@ func (s *server) Update(status *ListenerStatus) error { s.Unlock() return err } - s.activeCAKey = cert.PrivateKey.(*rsa.PrivateKey) + s.activeCAKey = cert.PrivateKey.(crypto.Signer) s.activeCAKeyString = status.CAKey x509Cert, err := x509.ParseCertificate(cert.Certificate[0]) @@ -380,12 +424,25 @@ func (s *server) getCertificate(hello *tls.ClientHelloInfo) (*tls.Certificate, e changed = true if s.activeCA == nil { - ca, key, err := genCA() - if err != nil { - return nil, err + if s.userConfig.CACerts != "" && s.userConfig.CAKey != "" { + ca, err := cert.ParseCertsPEM([]byte(s.userConfig.CACerts)) + if err != nil { + return nil, err + } + key, err := cert.ParsePrivateKeyPEM([]byte(s.userConfig.CAKey)) + if err != nil { + return nil, err + } + s.activeCA = ca[0] + s.activeCAKey = key.(crypto.Signer) + } else { + ca, key, err := genCA() + if err != nil { + return nil, err + } + s.activeCA = ca + s.activeCAKey = key } - s.activeCA = ca - s.activeCAKey = key } cfg := cert.Config{ @@ -398,7 +455,7 @@ func (s *server) getCertificate(hello *tls.ClientHelloInfo) (*tls.Certificate, e }, } - key, err := cert.NewPrivateKey() + key, err := newPrivateKey() if err != nil { return nil, err } @@ -439,6 +496,7 @@ func (s *server) cacheIPHandler(handler http.Handler) http.Handler { func (s *server) serveHTTPS() error { conf := &tls.Config{ + ClientAuth: tls.RequestClientCert, GetCertificate: s.getCertificate, PreferServerCipherSuites: true, } @@ -602,32 +660,36 @@ func stringToCert(certString string) *tls.Certificate { return nil } - cert, key := parts[0], parts[1] - keyBytes, err := base64.StdEncoding.DecodeString(key) + certPart, keyPart := parts[0], parts[1] + keyBytes, err := base64.StdEncoding.DecodeString(keyPart) if err != nil { return nil } - rsaKey, err := x509.ParsePKCS1PrivateKey(keyBytes) + key, err := cert.ParsePrivateKeyPEM(keyBytes) if err != nil { return nil } - certBytes, err := base64.StdEncoding.DecodeString(cert) + certBytes, err := base64.StdEncoding.DecodeString(certPart) if err != nil { return nil } return &tls.Certificate{ Certificate: [][]byte{certBytes}, - PrivateKey: rsaKey, + PrivateKey: key, } } -func certToString(cert *tls.Certificate) string { +func certToString(cert *tls.Certificate) (string, error) { + _, keyBytes, err := marshalPrivateKey(cert.PrivateKey.(crypto.Signer)) + if err != nil { + return "", err + } certString := base64.StdEncoding.EncodeToString(cert.Certificate[0]) - keyString := base64.StdEncoding.EncodeToString(x509.MarshalPKCS1PrivateKey(cert.PrivateKey.(*rsa.PrivateKey))) - return certString + "#" + keyString + keyString := base64.StdEncoding.EncodeToString(keyBytes) + return certString + "#" + keyString, nil } type tcpKeepAliveListener struct { diff --git a/vendor/github.com/rancher/dynamiclistener/types.go b/vendor/github.com/rancher/dynamiclistener/types.go index 87527bdc68..7fabf1c950 100644 --- a/vendor/github.com/rancher/dynamiclistener/types.go +++ b/vendor/github.com/rancher/dynamiclistener/types.go @@ -29,6 +29,7 @@ type UserConfig struct { Mode string NoCACerts bool CACerts string + CAKey string Cert string Key string BindAddress string diff --git a/vendor/k8s.io/client-go/pkg/version/base.go b/vendor/k8s.io/client-go/pkg/version/base.go index d1062c8795..0243ffea96 100644 --- a/vendor/k8s.io/client-go/pkg/version/base.go +++ b/vendor/k8s.io/client-go/pkg/version/base.go @@ -3,8 +3,8 @@ package version var ( gitMajor = "1" gitMinor = "14" - gitVersion = "v1.14.3-k3s.1" - gitCommit = "8343999292c55c807be4406fcaa9f047e8751ffd" + gitVersion = "v1.14.3-k3s.2" + gitCommit = "6174f1fed28fd19300038f6578bf48e3920fa7ba" gitTreeState = "clean" - buildDate = "2019-06-12T04:56+00:00Z" + buildDate = "2019-06-21T08:17+00:00Z" ) diff --git a/vendor/k8s.io/kubernetes/pkg/master/controller.go b/vendor/k8s.io/kubernetes/pkg/master/controller.go index 3e90b84f69..517f8db3df 100644 --- a/vendor/k8s.io/kubernetes/pkg/master/controller.go +++ b/vendor/k8s.io/kubernetes/pkg/master/controller.go @@ -142,6 +142,10 @@ func (c *Controller) Start() { return } + // Service definition is reconciled during first run to correct port and type per expectations. + if err := c.UpdateKubernetesService(true); err != nil { + klog.Errorf("Unable to perform initial Kubernetes service initialization: %v", err) + } // Reconcile during first run removing itself until server is ready. endpointPorts := createEndpointPortSpec(c.PublicServicePort, "https", c.ExtraEndpointPorts) if err := c.EndpointReconciler.RemoveEndpoints(kubernetesServiceName, c.PublicIP, endpointPorts); err != nil { diff --git a/vendor/k8s.io/kubernetes/pkg/version/base.go b/vendor/k8s.io/kubernetes/pkg/version/base.go index d1062c8795..0243ffea96 100644 --- a/vendor/k8s.io/kubernetes/pkg/version/base.go +++ b/vendor/k8s.io/kubernetes/pkg/version/base.go @@ -3,8 +3,8 @@ package version var ( gitMajor = "1" gitMinor = "14" - gitVersion = "v1.14.3-k3s.1" - gitCommit = "8343999292c55c807be4406fcaa9f047e8751ffd" + gitVersion = "v1.14.3-k3s.2" + gitCommit = "6174f1fed28fd19300038f6578bf48e3920fa7ba" gitTreeState = "clean" - buildDate = "2019-06-12T04:56+00:00Z" + buildDate = "2019-06-21T08:17+00:00Z" )