diff options
Diffstat (limited to 'caddyconfig/httpcaddyfile')
-rw-r--r-- | caddyconfig/httpcaddyfile/addresses.go | 8 | ||||
-rw-r--r-- | caddyconfig/httpcaddyfile/httptype.go | 55 | ||||
-rw-r--r-- | caddyconfig/httpcaddyfile/options.go | 5 | ||||
-rw-r--r-- | caddyconfig/httpcaddyfile/serveroptions.go | 235 |
4 files changed, 290 insertions, 13 deletions
diff --git a/caddyconfig/httpcaddyfile/addresses.go b/caddyconfig/httpcaddyfile/addresses.go index 51411a9..7105320 100644 --- a/caddyconfig/httpcaddyfile/addresses.go +++ b/caddyconfig/httpcaddyfile/addresses.go @@ -18,6 +18,7 @@ import ( "fmt" "net" "reflect" + "sort" "strconv" "strings" "unicode" @@ -163,6 +164,13 @@ func (st *ServerType) consolidateAddrMappings(addrToServerBlocks map[string][]se sbaddrs = append(sbaddrs, a) } + + // sort them by their first address (we know there will always be at least one) + // to avoid problems with non-deterministic ordering (makes tests flaky) + sort.Slice(sbaddrs, func(i, j int) bool { + return sbaddrs[i].addresses[0] < sbaddrs[j].addresses[0] + }) + return sbaddrs } diff --git a/caddyconfig/httpcaddyfile/httptype.go b/caddyconfig/httpcaddyfile/httptype.go index 35eab90..e4e40b2 100644 --- a/caddyconfig/httpcaddyfile/httptype.go +++ b/caddyconfig/httpcaddyfile/httptype.go @@ -218,13 +218,6 @@ func (st ServerType) Setup(inputServerBlocks []caddyfile.ServerBlock, return nil, warnings, err } - // if experimental HTTP/3 is enabled, enable it on each server - if enableH3, ok := options["experimental_http3"].(bool); ok && enableH3 { - for _, srv := range httpApp.Servers { - srv.ExperimentalHTTP3 = true - } - } - // extract any custom logs, and enforce configured levels var customLogs []namedCustomLog var hasDefaultLog bool @@ -311,23 +304,54 @@ func (ServerType) evaluateGlobalOptionsBlock(serverBlocks []serverBlock, options } for _, segment := range serverBlocks[0].block.Segments { - dir := segment.Directive() + opt := segment.Directive() var val interface{} var err error disp := caddyfile.NewDispenser(segment) - dirFunc, ok := registeredGlobalOptions[dir] + optFunc, ok := registeredGlobalOptions[opt] if !ok { tkn := segment[0] - return nil, fmt.Errorf("%s:%d: unrecognized global option: %s", tkn.File, tkn.Line, dir) + return nil, fmt.Errorf("%s:%d: unrecognized global option: %s", tkn.File, tkn.Line, opt) } - val, err = dirFunc(disp) + val, err = optFunc(disp) if err != nil { - return nil, fmt.Errorf("parsing caddyfile tokens for '%s': %v", dir, err) + return nil, fmt.Errorf("parsing caddyfile tokens for '%s': %v", opt, err) + } + + // As a special case, fold multiple "servers" options together + // in an array instead of overwriting a possible existing value + if opt == "servers" { + existingOpts, ok := options[opt].([]serverOptions) + if !ok { + existingOpts = []serverOptions{} + } + serverOpts, ok := val.(serverOptions) + if !ok { + return nil, fmt.Errorf("unexpected type from 'servers' global options") + } + options[opt] = append(existingOpts, serverOpts) + continue } - options[dir] = val + options[opt] = val + } + + // If we got "servers" options, we'll sort them by their listener address + if serverOpts, ok := options["servers"].([]serverOptions); ok { + sort.Slice(serverOpts, func(i, j int) bool { + return len(serverOpts[i].ListenerAddress) > len(serverOpts[j].ListenerAddress) + }) + + // Reject the config if there are duplicate listener address + seen := make(map[string]bool) + for _, entry := range serverOpts { + if _, alreadySeen := seen[entry.ListenerAddress]; alreadySeen { + return nil, fmt.Errorf("cannot have 'servers' global options with duplicate listener addresses: %s", entry.ListenerAddress) + } + seen[entry.ListenerAddress] = true + } } return serverBlocks[1:], nil @@ -602,6 +626,11 @@ func (st *ServerType) serversFromPairings( servers[fmt.Sprintf("srv%d", i)] = srv } + err := applyServerOptions(servers, options, warnings) + if err != nil { + return nil, err + } + return servers, nil } diff --git a/caddyconfig/httpcaddyfile/options.go b/caddyconfig/httpcaddyfile/options.go index 7d34805..5001974 100644 --- a/caddyconfig/httpcaddyfile/options.go +++ b/caddyconfig/httpcaddyfile/options.go @@ -43,6 +43,7 @@ func init() { RegisterGlobalOption("local_certs", parseOptTrue) RegisterGlobalOption("key_type", parseOptSingleString) RegisterGlobalOption("auto_https", parseOptAutoHTTPS) + RegisterGlobalOption("servers", parseServerOptions) } func parseOptTrue(d *caddyfile.Dispenser) (interface{}, error) { @@ -361,3 +362,7 @@ func parseOptAutoHTTPS(d *caddyfile.Dispenser) (interface{}, error) { } return val, nil } + +func parseServerOptions(d *caddyfile.Dispenser) (interface{}, error) { + return unmarshalCaddyfileServerOptions(d) +} diff --git a/caddyconfig/httpcaddyfile/serveroptions.go b/caddyconfig/httpcaddyfile/serveroptions.go new file mode 100644 index 0000000..38fa0f1 --- /dev/null +++ b/caddyconfig/httpcaddyfile/serveroptions.go @@ -0,0 +1,235 @@ +// 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 httpcaddyfile + +import ( + "encoding/json" + "fmt" + + "github.com/caddyserver/caddy/v2" + "github.com/caddyserver/caddy/v2/caddyconfig" + "github.com/caddyserver/caddy/v2/caddyconfig/caddyfile" + "github.com/caddyserver/caddy/v2/modules/caddyhttp" + "github.com/dustin/go-humanize" +) + +// serverOptions collects server config overrides parsed from Caddyfile global options +type serverOptions struct { + // If set, will only apply these options to servers that contain a + // listener address that matches exactly. If empty, will apply to all + // servers that were not already matched by another serverOptions. + ListenerAddress string + + // These will all map 1:1 to the caddyhttp.Server struct + ListenerWrappersRaw []json.RawMessage + ReadTimeout caddy.Duration + ReadHeaderTimeout caddy.Duration + WriteTimeout caddy.Duration + IdleTimeout caddy.Duration + MaxHeaderBytes int + AllowH2C bool + ExperimentalHTTP3 bool + StrictSNIHost *bool +} + +func unmarshalCaddyfileServerOptions(d *caddyfile.Dispenser) (interface{}, error) { + serverOpts := serverOptions{} + for d.Next() { + if d.NextArg() { + serverOpts.ListenerAddress = d.Val() + if d.NextArg() { + return nil, d.ArgErr() + } + } + for nesting := d.Nesting(); d.NextBlock(nesting); { + switch d.Val() { + case "listener_wrappers": + for nesting := d.Nesting(); d.NextBlock(nesting); { + mod, err := caddy.GetModule("caddy.listeners." + d.Val()) + if err != nil { + return nil, fmt.Errorf("finding listener module '%s': %v", d.Val(), err) + } + unm, ok := mod.New().(caddyfile.Unmarshaler) + if !ok { + return nil, fmt.Errorf("listener module '%s' is not a Caddyfile unmarshaler", mod) + } + err = unm.UnmarshalCaddyfile(d.NewFromNextSegment()) + if err != nil { + return nil, err + } + listenerWrapper, ok := unm.(caddy.ListenerWrapper) + if !ok { + return nil, fmt.Errorf("module %s is not a listener wrapper", mod) + } + jsonListenerWrapper := caddyconfig.JSONModuleObject( + listenerWrapper, + "wrapper", + listenerWrapper.(caddy.Module).CaddyModule().ID.Name(), + nil, + ) + serverOpts.ListenerWrappersRaw = append(serverOpts.ListenerWrappersRaw, jsonListenerWrapper) + } + + case "timeouts": + for nesting := d.Nesting(); d.NextBlock(nesting); { + switch d.Val() { + case "read_body": + if !d.NextArg() { + return nil, d.ArgErr() + } + dur, err := caddy.ParseDuration(d.Val()) + if err != nil { + return nil, d.Errf("parsing read_body timeout duration: %v", err) + } + serverOpts.ReadTimeout = caddy.Duration(dur) + + case "read_header": + if !d.NextArg() { + return nil, d.ArgErr() + } + dur, err := caddy.ParseDuration(d.Val()) + if err != nil { + return nil, d.Errf("parsing read_header timeout duration: %v", err) + } + serverOpts.ReadHeaderTimeout = caddy.Duration(dur) + + case "write": + if !d.NextArg() { + return nil, d.ArgErr() + } + dur, err := caddy.ParseDuration(d.Val()) + if err != nil { + return nil, d.Errf("parsing write timeout duration: %v", err) + } + serverOpts.WriteTimeout = caddy.Duration(dur) + + case "idle": + if !d.NextArg() { + return nil, d.ArgErr() + } + dur, err := caddy.ParseDuration(d.Val()) + if err != nil { + return nil, d.Errf("parsing idle timeout duration: %v", err) + } + serverOpts.IdleTimeout = caddy.Duration(dur) + + default: + return nil, d.Errf("unrecognized timeouts option '%s'", d.Val()) + } + } + + case "max_header_size": + var sizeStr string + if !d.AllArgs(&sizeStr) { + return nil, d.ArgErr() + } + size, err := humanize.ParseBytes(sizeStr) + if err != nil { + return nil, d.Errf("parsing max_header_size: %v", err) + } + serverOpts.MaxHeaderBytes = int(size) + + case "protocol": + for nesting := d.Nesting(); d.NextBlock(nesting); { + switch d.Val() { + case "allow_h2c": + if d.NextArg() { + return nil, d.ArgErr() + } + serverOpts.AllowH2C = true + + case "experimental_http3": + if d.NextArg() { + return nil, d.ArgErr() + } + serverOpts.ExperimentalHTTP3 = true + + case "strict_sni_host": + if d.NextArg() { + return nil, d.ArgErr() + } + trueBool := true + serverOpts.StrictSNIHost = &trueBool + + default: + return nil, d.Errf("unrecognized protocol option '%s'", d.Val()) + } + } + + default: + return nil, d.Errf("unrecognized servers option '%s'", d.Val()) + } + } + } + return serverOpts, nil +} + +// applyServerOptions sets the server options on the appropriate servers +func applyServerOptions( + servers map[string]*caddyhttp.Server, + options map[string]interface{}, + warnings *[]caddyconfig.Warning, +) error { + // If experimental HTTP/3 is enabled, enable it on each server. + // We already know there won't be a conflict with serverOptions because + // we validated earlier that "experimental_http3" cannot be set at the same + // time as "servers" + if enableH3, ok := options["experimental_http3"].(bool); ok && enableH3 { + *warnings = append(*warnings, caddyconfig.Warning{Message: "the 'experimental_http3' global option is deprecated, please use the 'servers > protocol > experimental_http3' option instead"}) + for _, srv := range servers { + srv.ExperimentalHTTP3 = true + } + } + + serverOpts, ok := options["servers"].([]serverOptions) + if !ok { + return nil + } + + for _, server := range servers { + // find the options that apply to this server + opts := func() *serverOptions { + for _, entry := range serverOpts { + if entry.ListenerAddress == "" { + return &entry + } + for _, listener := range server.Listen { + if entry.ListenerAddress == listener { + return &entry + } + } + } + return nil + }() + + // if none apply, then move to the next server + if opts == nil { + continue + } + + // set all the options + server.ListenerWrappersRaw = opts.ListenerWrappersRaw + server.ReadTimeout = opts.ReadTimeout + server.ReadHeaderTimeout = opts.ReadHeaderTimeout + server.WriteTimeout = opts.WriteTimeout + server.IdleTimeout = opts.IdleTimeout + server.MaxHeaderBytes = opts.MaxHeaderBytes + server.AllowH2C = opts.AllowH2C + server.ExperimentalHTTP3 = opts.ExperimentalHTTP3 + server.StrictSNIHost = opts.StrictSNIHost + } + + return nil +} |