mirror of
https://github.com/caddyserver/caddy.git
synced 2024-11-26 02:09:47 +08:00
717 lines
20 KiB
Go
717 lines
20 KiB
Go
// Copyright 2015 Matthew Holt and The Caddy Authors
|
|
//
|
|
// 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 reverseproxy
|
|
|
|
import (
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"reflect"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/caddyserver/caddy/v2"
|
|
"github.com/caddyserver/caddy/v2/caddyconfig"
|
|
"github.com/caddyserver/caddy/v2/caddyconfig/caddyfile"
|
|
"github.com/caddyserver/caddy/v2/caddyconfig/httpcaddyfile"
|
|
"github.com/caddyserver/caddy/v2/modules/caddyhttp"
|
|
"github.com/caddyserver/caddy/v2/modules/caddyhttp/headers"
|
|
"github.com/dustin/go-humanize"
|
|
)
|
|
|
|
func init() {
|
|
httpcaddyfile.RegisterHandlerDirective("reverse_proxy", parseCaddyfile)
|
|
}
|
|
|
|
func parseCaddyfile(h httpcaddyfile.Helper) (caddyhttp.MiddlewareHandler, error) {
|
|
rp := new(Handler)
|
|
err := rp.UnmarshalCaddyfile(h.Dispenser)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return rp, nil
|
|
}
|
|
|
|
// UnmarshalCaddyfile sets up the handler from Caddyfile tokens. Syntax:
|
|
//
|
|
// reverse_proxy [<matcher>] [<upstreams...>] {
|
|
// # upstreams
|
|
// to <upstreams...>
|
|
//
|
|
// # load balancing
|
|
// lb_policy <name> [<options...>]
|
|
// lb_try_duration <duration>
|
|
// lb_try_interval <interval>
|
|
//
|
|
// # active health checking
|
|
// health_path <path>
|
|
// health_port <port>
|
|
// health_interval <interval>
|
|
// health_timeout <duration>
|
|
// health_status <status>
|
|
// health_body <regexp>
|
|
//
|
|
// # passive health checking
|
|
// max_fails <num>
|
|
// fail_duration <duration>
|
|
// max_conns <num>
|
|
// unhealthy_status <status>
|
|
// unhealthy_latency <duration>
|
|
//
|
|
// # streaming
|
|
// flush_interval <duration>
|
|
//
|
|
// # header manipulation
|
|
// header_up [+|-]<field> [<value|regexp> [<replacement>]]
|
|
// header_down [+|-]<field> [<value|regexp> [<replacement>]]
|
|
//
|
|
// # round trip
|
|
// transport <name> {
|
|
// ...
|
|
// }
|
|
// }
|
|
//
|
|
// Proxy upstream addresses should be network dial addresses such
|
|
// as `host:port`, or a URL such as `scheme://host:port`. Scheme
|
|
// and port may be inferred from other parts of the address/URL; if
|
|
// either are missing, defaults to HTTP.
|
|
func (h *Handler) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
|
|
// currently, all backends must use the same scheme/protocol (the
|
|
// underlying JSON does not yet support per-backend transports)
|
|
var commonScheme string
|
|
|
|
// we'll wait until the very end of parsing before
|
|
// validating and encoding the transport
|
|
var transport http.RoundTripper
|
|
var transportModuleName string
|
|
|
|
// TODO: the logic in this function is kind of sensitive, we need
|
|
// to write tests before making any more changes to it
|
|
upstreamDialAddress := func(upstreamAddr string) (string, error) {
|
|
var network, scheme, host, port string
|
|
|
|
if strings.Contains(upstreamAddr, "://") {
|
|
toURL, err := url.Parse(upstreamAddr)
|
|
if err != nil {
|
|
return "", d.Errf("parsing upstream URL: %v", err)
|
|
}
|
|
|
|
// there is currently no way to perform a URL rewrite between choosing
|
|
// a backend and proxying to it, so we cannot allow extra components
|
|
// in backend URLs
|
|
if toURL.Path != "" || toURL.RawQuery != "" || toURL.Fragment != "" {
|
|
return "", d.Err("for now, URLs for proxy upstreams only support scheme, host, and port components")
|
|
}
|
|
|
|
// ensure the port and scheme aren't in conflict
|
|
urlPort := toURL.Port()
|
|
if toURL.Scheme == "http" && urlPort == "443" {
|
|
return "", d.Err("upstream address has conflicting scheme (http://) and port (:443, the HTTPS port)")
|
|
}
|
|
if toURL.Scheme == "https" && urlPort == "80" {
|
|
return "", d.Err("upstream address has conflicting scheme (https://) and port (:80, the HTTP port)")
|
|
}
|
|
|
|
// if port is missing, attempt to infer from scheme
|
|
if toURL.Port() == "" {
|
|
var toPort string
|
|
switch toURL.Scheme {
|
|
case "", "http":
|
|
toPort = "80"
|
|
case "https":
|
|
toPort = "443"
|
|
}
|
|
toURL.Host = net.JoinHostPort(toURL.Hostname(), toPort)
|
|
}
|
|
|
|
scheme, host, port = toURL.Scheme, toURL.Hostname(), toURL.Port()
|
|
} else {
|
|
// extract network manually, since caddy.ParseNetworkAddress() will always add one
|
|
if idx := strings.Index(upstreamAddr, "/"); idx >= 0 {
|
|
network = strings.ToLower(strings.TrimSpace(upstreamAddr[:idx]))
|
|
upstreamAddr = upstreamAddr[idx+1:]
|
|
}
|
|
var err error
|
|
host, port, err = net.SplitHostPort(upstreamAddr)
|
|
if err != nil {
|
|
host = upstreamAddr
|
|
}
|
|
}
|
|
|
|
// if scheme is not set, we may be able to infer it from a known port
|
|
if scheme == "" {
|
|
if port == "80" {
|
|
scheme = "http"
|
|
} else if port == "443" {
|
|
scheme = "https"
|
|
}
|
|
}
|
|
|
|
// the underlying JSON does not yet support different
|
|
// transports (protocols or schemes) to each backend,
|
|
// so we remember the last one we see and compare them
|
|
if commonScheme != "" && scheme != commonScheme {
|
|
return "", d.Errf("for now, all proxy upstreams must use the same scheme (transport protocol); expecting '%s://' but got '%s://'",
|
|
commonScheme, scheme)
|
|
}
|
|
commonScheme = scheme
|
|
|
|
// for simplest possible config, we only need to include
|
|
// the network portion if the user specified one
|
|
if network != "" {
|
|
return caddy.JoinNetworkAddress(network, host, port), nil
|
|
}
|
|
return net.JoinHostPort(host, port), nil
|
|
}
|
|
|
|
// appendUpstream creates an upstream for address and adds
|
|
// it to the list. If the address starts with "srv+" it is
|
|
// treated as a SRV-based upstream, and any port will be
|
|
// dropped.
|
|
appendUpstream := func(address string) error {
|
|
isSRV := strings.HasPrefix(address, "srv+")
|
|
if isSRV {
|
|
address = strings.TrimPrefix(address, "srv+")
|
|
}
|
|
dialAddr, err := upstreamDialAddress(address)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if isSRV {
|
|
if host, _, err := net.SplitHostPort(dialAddr); err == nil {
|
|
dialAddr = host
|
|
}
|
|
h.Upstreams = append(h.Upstreams, &Upstream{LookupSRV: dialAddr})
|
|
} else {
|
|
h.Upstreams = append(h.Upstreams, &Upstream{Dial: dialAddr})
|
|
}
|
|
return nil
|
|
}
|
|
|
|
for d.Next() {
|
|
for _, up := range d.RemainingArgs() {
|
|
err := appendUpstream(up)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
for d.NextBlock(0) {
|
|
switch d.Val() {
|
|
case "to":
|
|
args := d.RemainingArgs()
|
|
if len(args) == 0 {
|
|
return d.ArgErr()
|
|
}
|
|
for _, up := range args {
|
|
err := appendUpstream(up)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
case "lb_policy":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.LoadBalancing != nil && h.LoadBalancing.SelectionPolicyRaw != nil {
|
|
return d.Err("load balancing selection policy already specified")
|
|
}
|
|
name := d.Val()
|
|
mod, err := caddy.GetModule("http.reverse_proxy.selection_policies." + name)
|
|
if err != nil {
|
|
return d.Errf("getting load balancing policy module '%s': %v", mod, err)
|
|
}
|
|
unm, ok := mod.New().(caddyfile.Unmarshaler)
|
|
if !ok {
|
|
return d.Errf("load balancing policy module '%s' is not a Caddyfile unmarshaler", mod)
|
|
}
|
|
err = unm.UnmarshalCaddyfile(d.NewFromNextSegment())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
sel, ok := unm.(Selector)
|
|
if !ok {
|
|
return d.Errf("module %s is not a Selector", mod)
|
|
}
|
|
if h.LoadBalancing == nil {
|
|
h.LoadBalancing = new(LoadBalancing)
|
|
}
|
|
h.LoadBalancing.SelectionPolicyRaw = caddyconfig.JSONModuleObject(sel, "policy", name, nil)
|
|
|
|
case "lb_try_duration":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.LoadBalancing == nil {
|
|
h.LoadBalancing = new(LoadBalancing)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad duration value %s: %v", d.Val(), err)
|
|
}
|
|
h.LoadBalancing.TryDuration = caddy.Duration(dur)
|
|
|
|
case "lb_try_interval":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.LoadBalancing == nil {
|
|
h.LoadBalancing = new(LoadBalancing)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad interval value '%s': %v", d.Val(), err)
|
|
}
|
|
h.LoadBalancing.TryInterval = caddy.Duration(dur)
|
|
|
|
case "health_path":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
h.HealthChecks.Active.Path = d.Val()
|
|
|
|
case "health_port":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
portNum, err := strconv.Atoi(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad port number '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Active.Port = portNum
|
|
|
|
case "health_interval":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad interval value %s: %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Active.Interval = caddy.Duration(dur)
|
|
|
|
case "health_timeout":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad timeout value %s: %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Active.Timeout = caddy.Duration(dur)
|
|
|
|
case "health_status":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
val := d.Val()
|
|
if len(val) == 3 && strings.HasSuffix(val, "xx") {
|
|
val = val[:1]
|
|
}
|
|
statusNum, err := strconv.Atoi(val[:1])
|
|
if err != nil {
|
|
return d.Errf("bad status value '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Active.ExpectStatus = statusNum
|
|
|
|
case "health_body":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Active == nil {
|
|
h.HealthChecks.Active = new(ActiveHealthChecks)
|
|
}
|
|
h.HealthChecks.Active.ExpectBody = d.Val()
|
|
|
|
case "max_fails":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Passive == nil {
|
|
h.HealthChecks.Passive = new(PassiveHealthChecks)
|
|
}
|
|
maxFails, err := strconv.Atoi(d.Val())
|
|
if err != nil {
|
|
return d.Errf("invalid maximum fail count '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Passive.MaxFails = maxFails
|
|
|
|
case "fail_duration":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Passive == nil {
|
|
h.HealthChecks.Passive = new(PassiveHealthChecks)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad duration value '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Passive.FailDuration = caddy.Duration(dur)
|
|
|
|
case "unhealthy_request_count":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Passive == nil {
|
|
h.HealthChecks.Passive = new(PassiveHealthChecks)
|
|
}
|
|
maxConns, err := strconv.Atoi(d.Val())
|
|
if err != nil {
|
|
return d.Errf("invalid maximum connection count '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Passive.UnhealthyRequestCount = maxConns
|
|
|
|
case "unhealthy_status":
|
|
args := d.RemainingArgs()
|
|
if len(args) == 0 {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Passive == nil {
|
|
h.HealthChecks.Passive = new(PassiveHealthChecks)
|
|
}
|
|
for _, arg := range args {
|
|
if len(arg) == 3 && strings.HasSuffix(arg, "xx") {
|
|
arg = arg[:1]
|
|
}
|
|
statusNum, err := strconv.Atoi(arg[:1])
|
|
if err != nil {
|
|
return d.Errf("bad status value '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Passive.UnhealthyStatus = append(h.HealthChecks.Passive.UnhealthyStatus, statusNum)
|
|
}
|
|
|
|
case "unhealthy_latency":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.HealthChecks == nil {
|
|
h.HealthChecks = new(HealthChecks)
|
|
}
|
|
if h.HealthChecks.Passive == nil {
|
|
h.HealthChecks.Passive = new(PassiveHealthChecks)
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad duration value '%s': %v", d.Val(), err)
|
|
}
|
|
h.HealthChecks.Passive.UnhealthyLatency = caddy.Duration(dur)
|
|
|
|
case "flush_interval":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if fi, err := strconv.Atoi(d.Val()); err == nil {
|
|
h.FlushInterval = caddy.Duration(fi)
|
|
} else {
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad duration value '%s': %v", d.Val(), err)
|
|
}
|
|
h.FlushInterval = caddy.Duration(dur)
|
|
}
|
|
|
|
case "header_up":
|
|
if h.Headers == nil {
|
|
h.Headers = new(headers.Handler)
|
|
}
|
|
if h.Headers.Request == nil {
|
|
h.Headers.Request = new(headers.HeaderOps)
|
|
}
|
|
args := d.RemainingArgs()
|
|
switch len(args) {
|
|
case 1:
|
|
headers.CaddyfileHeaderOp(h.Headers.Request, args[0], "", "")
|
|
case 2:
|
|
headers.CaddyfileHeaderOp(h.Headers.Request, args[0], args[1], "")
|
|
case 3:
|
|
headers.CaddyfileHeaderOp(h.Headers.Request, args[0], args[1], args[2])
|
|
default:
|
|
return d.ArgErr()
|
|
}
|
|
|
|
case "header_down":
|
|
if h.Headers == nil {
|
|
h.Headers = new(headers.Handler)
|
|
}
|
|
if h.Headers.Response == nil {
|
|
h.Headers.Response = &headers.RespHeaderOps{
|
|
HeaderOps: new(headers.HeaderOps),
|
|
}
|
|
}
|
|
args := d.RemainingArgs()
|
|
switch len(args) {
|
|
case 1:
|
|
headers.CaddyfileHeaderOp(h.Headers.Response.HeaderOps, args[0], "", "")
|
|
case 2:
|
|
headers.CaddyfileHeaderOp(h.Headers.Response.HeaderOps, args[0], args[1], "")
|
|
case 3:
|
|
headers.CaddyfileHeaderOp(h.Headers.Response.HeaderOps, args[0], args[1], args[2])
|
|
default:
|
|
return d.ArgErr()
|
|
}
|
|
|
|
case "transport":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.TransportRaw != nil {
|
|
return d.Err("transport already specified")
|
|
}
|
|
transportModuleName = d.Val()
|
|
mod, err := caddy.GetModule("http.reverse_proxy.transport." + transportModuleName)
|
|
if err != nil {
|
|
return d.Errf("getting transport module '%s': %v", mod, err)
|
|
}
|
|
unm, ok := mod.New().(caddyfile.Unmarshaler)
|
|
if !ok {
|
|
return d.Errf("transport module '%s' is not a Caddyfile unmarshaler", mod)
|
|
}
|
|
err = unm.UnmarshalCaddyfile(d.NewFromNextSegment())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
rt, ok := unm.(http.RoundTripper)
|
|
if !ok {
|
|
return d.Errf("module %s is not a RoundTripper", mod)
|
|
}
|
|
transport = rt
|
|
|
|
default:
|
|
return d.Errf("unrecognized subdirective %s", d.Val())
|
|
}
|
|
}
|
|
}
|
|
|
|
// if the scheme inferred from the backends' addresses is
|
|
// HTTPS, we will need a non-nil transport to enable TLS
|
|
if commonScheme == "https" && transport == nil {
|
|
transport = new(HTTPTransport)
|
|
transportModuleName = "http"
|
|
}
|
|
|
|
// verify transport configuration, and finally encode it
|
|
if transport != nil {
|
|
if te, ok := transport.(TLSTransport); ok {
|
|
if commonScheme == "https" && !te.TLSEnabled() {
|
|
err := te.EnableTLS(new(TLSConfig))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
if commonScheme == "http" && te.TLSEnabled() {
|
|
return d.Errf("upstream address scheme is HTTP but transport is configured for HTTP+TLS (HTTPS)")
|
|
}
|
|
} else if commonScheme == "https" {
|
|
return d.Errf("upstreams are configured for HTTPS but transport module does not support TLS: %T", transport)
|
|
}
|
|
if !reflect.DeepEqual(transport, reflect.New(reflect.TypeOf(transport).Elem()).Interface()) {
|
|
h.TransportRaw = caddyconfig.JSONModuleObject(transport, "protocol", transportModuleName, nil)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// UnmarshalCaddyfile deserializes Caddyfile tokens into h.
|
|
//
|
|
// transport http {
|
|
// read_buffer <size>
|
|
// write_buffer <size>
|
|
// dial_timeout <duration>
|
|
// tls_client_auth <cert_file> <key_file>
|
|
// tls_insecure_skip_verify
|
|
// tls_timeout <duration>
|
|
// tls_trusted_ca_certs <cert_files...>
|
|
// keepalive [off|<duration>]
|
|
// keepalive_idle_conns <max_count>
|
|
// }
|
|
//
|
|
func (h *HTTPTransport) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
|
|
for d.Next() {
|
|
for d.NextBlock(0) {
|
|
switch d.Val() {
|
|
case "read_buffer":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
size, err := humanize.ParseBytes(d.Val())
|
|
if err != nil {
|
|
return d.Errf("invalid read buffer size '%s': %v", d.Val(), err)
|
|
}
|
|
h.ReadBufferSize = int(size)
|
|
|
|
case "write_buffer":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
size, err := humanize.ParseBytes(d.Val())
|
|
if err != nil {
|
|
return d.Errf("invalid write buffer size '%s': %v", d.Val(), err)
|
|
}
|
|
h.WriteBufferSize = int(size)
|
|
|
|
case "dial_timeout":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad timeout value '%s': %v", d.Val(), err)
|
|
}
|
|
h.DialTimeout = caddy.Duration(dur)
|
|
|
|
case "tls_client_auth":
|
|
args := d.RemainingArgs()
|
|
if len(args) != 2 {
|
|
return d.ArgErr()
|
|
}
|
|
if h.TLS == nil {
|
|
h.TLS = new(TLSConfig)
|
|
}
|
|
h.TLS.ClientCertificateFile = args[0]
|
|
h.TLS.ClientCertificateKeyFile = args[1]
|
|
|
|
case "tls":
|
|
if h.TLS == nil {
|
|
h.TLS = new(TLSConfig)
|
|
}
|
|
|
|
case "tls_insecure_skip_verify":
|
|
if d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.TLS == nil {
|
|
h.TLS = new(TLSConfig)
|
|
}
|
|
h.TLS.InsecureSkipVerify = true
|
|
|
|
case "tls_timeout":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad timeout value '%s': %v", d.Val(), err)
|
|
}
|
|
if h.TLS == nil {
|
|
h.TLS = new(TLSConfig)
|
|
}
|
|
h.TLS.HandshakeTimeout = caddy.Duration(dur)
|
|
|
|
case "tls_trusted_ca_certs":
|
|
args := d.RemainingArgs()
|
|
if len(args) == 0 {
|
|
return d.ArgErr()
|
|
}
|
|
if h.TLS == nil {
|
|
h.TLS = new(TLSConfig)
|
|
}
|
|
|
|
h.TLS.RootCAPEMFiles = args
|
|
|
|
case "keepalive":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
if h.KeepAlive == nil {
|
|
h.KeepAlive = new(KeepAlive)
|
|
}
|
|
if d.Val() == "off" {
|
|
var disable bool
|
|
h.KeepAlive.Enabled = &disable
|
|
break
|
|
}
|
|
dur, err := time.ParseDuration(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad duration value '%s': %v", d.Val(), err)
|
|
}
|
|
h.KeepAlive.IdleConnTimeout = caddy.Duration(dur)
|
|
|
|
case "keepalive_idle_conns":
|
|
if !d.NextArg() {
|
|
return d.ArgErr()
|
|
}
|
|
num, err := strconv.Atoi(d.Val())
|
|
if err != nil {
|
|
return d.Errf("bad integer value '%s': %v", d.Val(), err)
|
|
}
|
|
if h.KeepAlive == nil {
|
|
h.KeepAlive = new(KeepAlive)
|
|
}
|
|
h.KeepAlive.MaxIdleConns = num
|
|
h.KeepAlive.MaxIdleConnsPerHost = num
|
|
|
|
default:
|
|
return d.Errf("unrecognized subdirective %s", d.Val())
|
|
}
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Interface guards
|
|
var (
|
|
_ caddyfile.Unmarshaler = (*Handler)(nil)
|
|
_ caddyfile.Unmarshaler = (*HTTPTransport)(nil)
|
|
)
|