frp/pkg/config/v1/server.go

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// Copyright 2023 The frp 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 v1
import (
"github.com/samber/lo"
"github.com/fatedier/frp/pkg/config/types"
"github.com/fatedier/frp/pkg/util/util"
)
type ServerConfig struct {
APIMetadata
Auth AuthServerConfig `json:"auth,omitempty"`
// BindAddr specifies the address that the server binds to. By default,
// this value is "0.0.0.0".
BindAddr string `json:"bindAddr,omitempty"`
// BindPort specifies the port that the server listens on. By default, this
// value is 7000.
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BindPort int `json:"bindPort,omitempty"`
// KCPBindPort specifies the KCP port that the server listens on. If this
// value is 0, the server will not listen for KCP connections.
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KCPBindPort int `json:"kcpBindPort,omitempty"`
// QUICBindPort specifies the QUIC port that the server listens on.
// Set this value to 0 will disable this feature.
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QUICBindPort int `json:"quicBindPort,omitempty"`
// ProxyBindAddr specifies the address that the proxy binds to. This value
// may be the same as BindAddr.
ProxyBindAddr string `json:"proxyBindAddr,omitempty"`
// VhostHTTPPort specifies the port that the server listens for HTTP Vhost
// requests. If this value is 0, the server will not listen for HTTP
// requests.
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VhostHTTPPort int `json:"vhostHTTPPort,omitempty"`
// VhostHTTPTimeout specifies the response header timeout for the Vhost
// HTTP server, in seconds. By default, this value is 60.
VhostHTTPTimeout int64 `json:"vhostHTTPTimeout,omitempty"`
// VhostHTTPSPort specifies the port that the server listens for HTTPS
// Vhost requests. If this value is 0, the server will not listen for HTTPS
// requests.
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VhostHTTPSPort int `json:"vhostHTTPSPort,omitempty"`
// TCPMuxHTTPConnectPort specifies the port that the server listens for TCP
// HTTP CONNECT requests. If the value is 0, the server will not multiplex TCP
// requests on one single port. If it's not - it will listen on this value for
// HTTP CONNECT requests.
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TCPMuxHTTPConnectPort int `json:"tcpmuxHTTPConnectPort,omitempty"`
// If TCPMuxPassthrough is true, frps won't do any update on traffic.
TCPMuxPassthrough bool `json:"tcpmuxPassthrough,omitempty"`
// SubDomainHost specifies the domain that will be attached to sub-domains
// requested by the client when using Vhost proxying. For example, if this
// value is set to "frps.com" and the client requested the subdomain
// "test", the resulting URL would be "test.frps.com".
SubDomainHost string `json:"subdomainHost,omitempty"`
// Custom404Page specifies a path to a custom 404 page to display. If this
// value is "", a default page will be displayed.
Custom404Page string `json:"custom404Page,omitempty"`
WebServer WebServerConfig `json:"webServer,omitempty"`
// EnablePrometheus will export prometheus metrics on webserver address
// in /metrics api.
EnablePrometheus bool `json:"enablePrometheus,omitempty"`
Log LogConfig `json:"log,omitempty"`
Transport ServerTransportConfig `json:"transport,omitempty"`
// DetailedErrorsToClient defines whether to send the specific error (with
// debug info) to frpc. By default, this value is true.
DetailedErrorsToClient *bool `json:"detailedErrorsToClient,omitempty"`
// MaxPortsPerClient specifies the maximum number of ports a single client
// may proxy to. If this value is 0, no limit will be applied.
MaxPortsPerClient int64 `json:"maxPortsPerClient,omitempty"`
// UserConnTimeout specifies the maximum time to wait for a work
// connection. By default, this value is 10.
UserConnTimeout int64 `json:"userConnTimeout,omitempty"`
// UDPPacketSize specifies the UDP packet size
// By default, this value is 1500
UDPPacketSize int64 `json:"udpPacketSize,omitempty"`
// NatHoleAnalysisDataReserveHours specifies the hours to reserve nat hole analysis data.
NatHoleAnalysisDataReserveHours int64 `json:"natholeAnalysisDataReserveHours,omitempty"`
AllowPorts []types.PortsRange `json:"allowPorts,omitempty"`
HTTPPlugins []HTTPPluginOptions `json:"httpPlugins,omitempty"`
}
func (c *ServerConfig) Complete() {
c.Auth.Complete()
c.Log.Complete()
c.Transport.Complete()
c.WebServer.Complete()
c.BindAddr = util.EmptyOr(c.BindAddr, "0.0.0.0")
c.BindPort = util.EmptyOr(c.BindPort, 7000)
if c.ProxyBindAddr == "" {
c.ProxyBindAddr = c.BindAddr
}
if c.WebServer.Port > 0 {
c.WebServer.Addr = util.EmptyOr(c.WebServer.Addr, "0.0.0.0")
}
c.VhostHTTPTimeout = util.EmptyOr(c.VhostHTTPTimeout, 60)
c.DetailedErrorsToClient = util.EmptyOr(c.DetailedErrorsToClient, lo.ToPtr(true))
c.UserConnTimeout = util.EmptyOr(c.UserConnTimeout, 10)
c.UDPPacketSize = util.EmptyOr(c.UDPPacketSize, 1500)
c.NatHoleAnalysisDataReserveHours = util.EmptyOr(c.NatHoleAnalysisDataReserveHours, 7*24)
}
type AuthServerConfig struct {
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Method string `json:"method,omitempty"`
AdditionalScopes []AuthScope `json:"additionalScopes,omitempty"`
Token string `json:"token,omitempty"`
OIDC AuthOIDCServerConfig `json:"oidc,omitempty"`
}
func (c *AuthServerConfig) Complete() {
c.Method = util.EmptyOr(c.Method, "token")
}
type AuthOIDCServerConfig struct {
// Issuer specifies the issuer to verify OIDC tokens with. This issuer
// will be used to load public keys to verify signature and will be compared
// with the issuer claim in the OIDC token.
Issuer string `json:"issuer,omitempty"`
// Audience specifies the audience OIDC tokens should contain when validated.
// If this value is empty, audience ("client ID") verification will be skipped.
Audience string `json:"audience,omitempty"`
// SkipExpiryCheck specifies whether to skip checking if the OIDC token is
// expired.
SkipExpiryCheck bool `json:"skipExpiryCheck,omitempty"`
// SkipIssuerCheck specifies whether to skip checking if the OIDC token's
// issuer claim matches the issuer specified in OidcIssuer.
SkipIssuerCheck bool `json:"skipIssuerCheck,omitempty"`
}
type ServerTransportConfig struct {
// TCPMux toggles TCP stream multiplexing. This allows multiple requests
// from a client to share a single TCP connection. By default, this value
// is true.
TCPMux *bool `json:"tcpMux,omitempty"`
// TCPMuxKeepaliveInterval specifies the keep alive interval for TCP stream multipler.
// If TCPMux is true, heartbeat of application layer is unnecessary because it can only rely on heartbeat in TCPMux.
TCPMuxKeepaliveInterval int64 `json:"tcpMuxKeepaliveInterval,omitempty"`
// TCPKeepAlive specifies the interval between keep-alive probes for an active network connection between frpc and frps.
// If negative, keep-alive probes are disabled.
TCPKeepAlive int64 `json:"tcpKeepalive,omitempty"`
// MaxPoolCount specifies the maximum pool size for each proxy. By default,
// this value is 5.
MaxPoolCount int64 `json:"maxPoolCount,omitempty"`
// HeartBeatTimeout specifies the maximum time to wait for a heartbeat
// before terminating the connection. It is not recommended to change this
// value. By default, this value is 90. Set negative value to disable it.
HeartbeatTimeout int64 `json:"heartbeatTimeout,omitempty"`
// QUIC options.
QUIC QUICOptions `json:"quic,omitempty"`
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// TLS specifies TLS settings for the connection from the client.
TLS TLSServerConfig `json:"tls,omitempty"`
}
func (c *ServerTransportConfig) Complete() {
c.TCPMux = util.EmptyOr(c.TCPMux, lo.ToPtr(true))
c.TCPMuxKeepaliveInterval = util.EmptyOr(c.TCPMuxKeepaliveInterval, 60)
c.TCPKeepAlive = util.EmptyOr(c.TCPKeepAlive, 7200)
c.MaxPoolCount = util.EmptyOr(c.MaxPoolCount, 5)
c.HeartbeatTimeout = util.EmptyOr(c.HeartbeatTimeout, 90)
c.QUIC.Complete()
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if c.TLS.TrustedCaFile != "" {
c.TLS.Force = true
}
}
type TLSServerConfig struct {
// Force specifies whether to only accept TLS-encrypted connections.
Force bool `json:"force,omitempty"`
TLSConfig
}