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Merge branch 'add-cdn-http-host-config-setting' into notsure2

This commit is contained in:
notsure2 2020-12-12 21:39:41 +02:00
parent 273e5a7750 93c355d2a6
commit e6799b2c1c
2 changed files with 13 additions and 13 deletions
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12
README.md
View File

@ -140,13 +140,11 @@ techniques).**
`ServerName` is the domain you want to make your ISP or firewall _think_ you are visiting. Ideally it should
match `RedirAddr` in the server's configuration, a major site the censor allows, but it doesn't have to.
`CdnHttpHost` is a setting that only has an effect when `Transport` is set to `CDN`. In `CDN` mode, Cloak makes a full
SSL handshake and then initiates an HTTP websocket request. This setting allows overriding the HTTP `Host` header
address value in the inner HTTP request. Note: This needs to be only a domain, the port is taken from the remote port
that Cloak connects to. This can be useful for some cases such as shadowsocks-android which don't pass the remote
address domain name but rather its resolved IP address. This override also allows you to try to use domain fronting by
specifying a different Host header than the outer domain passed in the SSL handshake's SNI field. If this field is not
set, the passed remote address will be used.
`CDNOriginHost` is the domain name of the _origin_ server (i.e. the server running Cloak) under `CDN` mode. This only
has effect when `Transport` is set to `CDN`. If unset, it will default to the remote hostname supplied via the
commandline argument (in standalone mode), or by Shadowsocks (in plugin mode). After a TLS session is established with
the CDN server, this domain name will be used in the HTTP request to ask the CDN server to establish a WebSocket
connection with this host.
`NumConn` is the amount of underlying TCP connections you want to use. The default of 4 should be appropriate for most
people. Setting it too high will hinder the performance. Setting it to 0 will disable connection multiplexing and each

14
internal/client/state.go
View File

@ -35,7 +35,7 @@ type RawConfig struct {
UDP bool // nullable
BrowserSig string // nullable
Transport string // nullable
CdnHttpHost string // nullable
CDNOriginHost string // nullable
StreamTimeout int // nullable
KeepAlive int // nullable
}
@ -187,14 +187,16 @@ func (raw *RawConfig) ProcessRawConfig(worldState common.WorldState) (local Loca
remote.Singleplex = false
}
if raw.CdnHttpHost == "" {
raw.CdnHttpHost = raw.RemoteHost
}
// Transport and (if TLS mode), browser
switch strings.ToLower(raw.Transport) {
case "cdn":
cdnDomainPort := net.JoinHostPort(raw.CdnHttpHost, raw.RemotePort)
var cdnDomainPort string
if raw.CDNOriginHost == "" {
cdnDomainPort = net.JoinHostPort(raw.RemoteHost, raw.RemotePort)
} else {
cdnDomainPort = net.JoinHostPort(raw.CDNOriginHost, raw.RemotePort)
}
remote.TransportMaker = func() Transport {
return &WSOverTLS{
cdnDomainPort: cdnDomainPort,