mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-25 17:56:34 +08:00
258 lines
6.4 KiB
Go
258 lines
6.4 KiB
Go
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// Copyright 2015 Matthew Holt and The Caddy Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package httpcaddyfile
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import (
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"encoding/json"
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"fmt"
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"html"
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"net/http"
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"github.com/caddyserver/caddy/v2/caddyconfig"
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"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
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"github.com/caddyserver/caddy/v2/modules/caddyhttp"
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"github.com/caddyserver/caddy/v2/modules/caddytls"
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)
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func (st *ServerType) parseRoot(
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tkns []caddyfile.Token,
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matcherDefs map[string]map[string]json.RawMessage,
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warnings *[]caddyconfig.Warning,
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) ([]caddyhttp.Route, error) {
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var routes []caddyhttp.Route
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matchersAndTokens, err := st.tokensToMatcherSets(tkns, matcherDefs, warnings)
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if err != nil {
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return nil, err
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}
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for _, mst := range matchersAndTokens {
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d := caddyfile.NewDispenser("Caddyfile", mst.tokens)
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var root string
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for d.Next() {
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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root = d.Val()
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if d.NextArg() {
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return nil, d.ArgErr()
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}
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}
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varsHandler := caddyhttp.VarsMiddleware{"root": root}
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route := caddyhttp.Route{
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Handle: []json.RawMessage{
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caddyconfig.JSONModuleObject(varsHandler, "handler", "vars", warnings),
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},
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}
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if mst.matcherSet != nil {
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route.MatcherSets = []map[string]json.RawMessage{mst.matcherSet}
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}
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routes = append(routes, route)
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}
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return routes, nil
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}
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func (st *ServerType) parseRedir(
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tkns []caddyfile.Token,
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matcherDefs map[string]map[string]json.RawMessage,
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warnings *[]caddyconfig.Warning,
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) ([]caddyhttp.Route, error) {
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var routes []caddyhttp.Route
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matchersAndTokens, err := st.tokensToMatcherSets(tkns, matcherDefs, warnings)
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if err != nil {
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return nil, err
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}
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for _, mst := range matchersAndTokens {
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var route caddyhttp.Route
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d := caddyfile.NewDispenser("Caddyfile", mst.tokens)
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for d.Next() {
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if !d.NextArg() {
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return nil, d.ArgErr()
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}
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to := d.Val()
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var code string
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if d.NextArg() {
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code = d.Val()
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}
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if code == "permanent" {
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code = "301"
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}
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if code == "temporary" || code == "" {
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code = "307"
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}
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var body string
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if code == "meta" {
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// Script tag comes first since that will better imitate a redirect in the browser's
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// history, but the meta tag is a fallback for most non-JS clients.
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const metaRedir = `<!DOCTYPE html>
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<html>
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<head>
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<title>Redirecting...</title>
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<script>window.location.replace("%s");</script>
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<meta http-equiv="refresh" content="0; URL='%s'">
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</head>
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<body>Redirecting to <a href="%s">%s</a>...</body>
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</html>
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`
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safeTo := html.EscapeString(to)
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body = fmt.Sprintf(metaRedir, safeTo, safeTo, safeTo, safeTo)
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}
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handler := caddyhttp.StaticResponse{
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StatusCode: caddyhttp.WeakString(code),
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Headers: http.Header{"Location": []string{to}},
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Body: body,
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}
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route.Handle = append(route.Handle,
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caddyconfig.JSONModuleObject(handler, "handler", "static_response", warnings))
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}
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if mst.matcherSet != nil {
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route.MatcherSets = []map[string]json.RawMessage{mst.matcherSet}
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}
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routes = append(routes, route)
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}
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return routes, nil
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}
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func (st *ServerType) parseTLSAutomationManager(d *caddyfile.Dispenser) (caddytls.ACMEManagerMaker, error) {
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var m caddytls.ACMEManagerMaker
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for d.Next() {
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firstLine := d.RemainingArgs()
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if len(firstLine) == 1 && firstLine[0] != "off" {
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m.Email = firstLine[0]
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}
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var hasBlock bool
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for d.NextBlock() {
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hasBlock = true
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switch d.Val() {
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case "ca":
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arg := d.RemainingArgs()
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if len(arg) != 1 {
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return m, d.ArgErr()
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}
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m.CA = arg[0]
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// TODO: other properties
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}
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}
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// a naked tls directive is not allowed
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if len(firstLine) == 0 && !hasBlock {
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return m, d.ArgErr()
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}
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}
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return m, nil
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}
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func (st *ServerType) parseTLSCerts(d *caddyfile.Dispenser) (map[string]caddytls.CertificateLoader, error) {
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var fileLoader caddytls.FileLoader
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var folderLoader caddytls.FolderLoader
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for d.Next() {
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// file loader
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firstLine := d.RemainingArgs()
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if len(firstLine) == 2 {
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fileLoader = append(fileLoader, caddytls.CertKeyFilePair{
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Certificate: firstLine[0],
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Key: firstLine[1],
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// TODO: tags, for enterprise module's certificate selection
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})
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}
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// folder loader
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for d.NextBlock() {
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if d.Val() == "load" {
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folderLoader = append(folderLoader, d.RemainingArgs()...)
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}
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}
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}
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// put configured loaders into the map
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loaders := make(map[string]caddytls.CertificateLoader)
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if len(fileLoader) > 0 {
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loaders["load_files"] = fileLoader
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}
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if len(folderLoader) > 0 {
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loaders["load_folders"] = folderLoader
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}
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return loaders, nil
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}
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func (st *ServerType) parseTLSConnPolicy(d *caddyfile.Dispenser) (*caddytls.ConnectionPolicy, error) {
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cp := new(caddytls.ConnectionPolicy)
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for d.Next() {
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for d.NextBlock() {
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switch d.Val() {
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case "protocols":
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args := d.RemainingArgs()
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if len(args) == 0 {
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return nil, d.SyntaxErr("one or two protocols")
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}
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if len(args) > 0 {
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if _, ok := caddytls.SupportedProtocols[args[0]]; !ok {
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return nil, d.Errf("Wrong protocol name or protocol not supported: '%s'", args[0])
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}
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cp.ProtocolMin = args[0]
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}
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if len(args) > 1 {
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if _, ok := caddytls.SupportedProtocols[args[1]]; !ok {
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return nil, d.Errf("Wrong protocol name or protocol not supported: '%s'", args[1])
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}
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cp.ProtocolMax = args[1]
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}
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case "ciphers":
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for d.NextArg() {
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if _, ok := caddytls.SupportedCipherSuites[d.Val()]; !ok {
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return nil, d.Errf("Wrong cipher suite name or cipher suite not supported: '%s'", d.Val())
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}
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cp.CipherSuites = append(cp.CipherSuites, d.Val())
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}
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case "curves":
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for d.NextArg() {
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if _, ok := caddytls.SupportedCurves[d.Val()]; !ok {
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return nil, d.Errf("Wrong curve name or curve not supported: '%s'", d.Val())
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}
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cp.Curves = append(cp.Curves, d.Val())
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}
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case "alpn":
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args := d.RemainingArgs()
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if len(args) == 0 {
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return nil, d.ArgErr()
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}
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cp.ALPN = args
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}
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}
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}
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return cp, nil
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}
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