Pull request: dnsforward: upd svcp param ech name

Merge in DNS/adguard-home from upd-ech-dnsrewrite to master

Squashed commit of the following:

commit b5d9e8643fcb0d7fe7bc44c6d8fc8a9d3f2c9595
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 7 18:01:18 2022 +0300

    all: imp chlog

commit 447c5ea6bc2031d4af46578bdb8d724bff001ca0
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Thu Apr 7 15:40:18 2022 +0300

    dnsforward: upd svcp param ech name
This commit is contained in:
Ainar Garipov
2022-04-07 18:08:39 +03:00
parent 4c5b38a447
commit 96594a3433
5 changed files with 75 additions and 32 deletions

View File

@@ -32,12 +32,16 @@ func (s *Server) genAnswerHTTPS(req *dns.Msg, svcb *rules.DNSSVCB) (ans *dns.HTT
// github.com/miekg/dns module.
var strToSVCBKey = map[string]dns.SVCBKey{
"alpn": dns.SVCB_ALPN,
"echconfig": dns.SVCB_ECHCONFIG,
"ech": dns.SVCB_ECHCONFIG,
"ipv4hint": dns.SVCB_IPV4HINT,
"ipv6hint": dns.SVCB_IPV6HINT,
"mandatory": dns.SVCB_MANDATORY,
"no-default-alpn": dns.SVCB_NO_DEFAULT_ALPN,
"port": dns.SVCB_PORT,
// TODO(a.garipov): This is the previous name for the parameter that has
// since been changed. Remove this in v0.109.0.
"echconfig": dns.SVCB_ECHCONFIG,
}
// svcbKeyHandler is a handler for one SVCB parameter key.
@@ -51,10 +55,10 @@ var svcbKeyHandlers = map[string]svcbKeyHandler{
}
},
"echconfig": func(valStr string) (val dns.SVCBKeyValue) {
"ech": func(valStr string) (val dns.SVCBKeyValue) {
ech, err := base64.StdEncoding.DecodeString(valStr)
if err != nil {
log.Debug("can't parse svcb/https echconfig: %s; ignoring", err)
log.Debug("can't parse svcb/https ech: %s; ignoring", err)
return nil
}
@@ -119,6 +123,26 @@ var svcbKeyHandlers = map[string]svcbKeyHandler{
Port: uint16(port64),
}
},
// TODO(a.garipov): This is the previous name for the parameter that has
// since been changed. Remove this in v0.109.0.
"echconfig": func(valStr string) (val dns.SVCBKeyValue) {
log.Info(
`warning: svcb/https record parameter name "echconfig" is deprecated; ` +
`use "ech" instead`,
)
ech, err := base64.StdEncoding.DecodeString(valStr)
if err != nil {
log.Debug("can't parse svcb/https ech: %s; ignoring", err)
return nil
}
return &dns.SVCBECHConfig{
ECH: ech,
}
},
}
// genAnswerSVCB returns a properly initialized SVCB resource record.