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Pull request: http3-tls-fix

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Merge in DNS/adguard-home from http3-tls-fix to master

Squashed commit of the following:

commit 4b4ac9f91d6a36654674c5e7037d2bf35a6b211a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Oct 26 15:35:07 2022 +0300

    dnsforward: add crutch for quic-go bug
This commit is contained in:
Ainar Garipov
2022-10-26 15:54:04 +03:00
parent 15f5876e33
commit bf10f157ab
3 changed files with 73 additions and 22 deletions
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66
internal/dnsforward/clientid_test.go
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@@ -47,8 +47,6 @@ func (c testQUICConnection) ConnectionState() (cs quic.ConnectionState) {
}
func TestServer_clientIDFromDNSContext(t *testing.T) {
// TODO(a.garipov): Consider moving away from the text-based error
// checks and onto a more structured approach.
testCases := []struct {
name string
proto proxy.Proto
@@ -57,6 +55,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID string
wantErrMsg string
strictSNI bool
useHTTP3 bool
}{{
name: "udp",
proto: proxy.ProtoUDP,
@@ -65,6 +64,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "",
wantErrMsg: "",
strictSNI: false,
useHTTP3: false,
}, {
name: "tls_no_clientid",
proto: proxy.ProtoTLS,
@@ -73,6 +73,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "",
wantErrMsg: "",
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_no_client_server_name",
proto: proxy.ProtoTLS,
@@ -82,6 +83,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantErrMsg: `clientid check: client server name "" ` +
`doesn't match host server name "example.com"`,
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_no_client_server_name_no_strict",
proto: proxy.ProtoTLS,
@@ -90,6 +92,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "",
wantErrMsg: "",
strictSNI: false,
useHTTP3: false,
}, {
name: "tls_clientid",
proto: proxy.ProtoTLS,
@@ -98,6 +101,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "cli",
wantErrMsg: "",
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_clientid_hostname_error",
proto: proxy.ProtoTLS,
@@ -107,6 +111,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantErrMsg: `clientid check: client server name "cli.example.net" ` +
`doesn't match host server name "example.com"`,
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_invalid_clientid",
proto: proxy.ProtoTLS,
@@ -116,6 +121,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantErrMsg: `clientid check: invalid clientid "!!!": ` +
`bad domain name label rune '!'`,
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_clientid_too_long",
proto: proxy.ProtoTLS,
@@ -127,6 +133,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
`pqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789": ` +
`domain name label is too long: got 72, max 63`,
strictSNI: true,
useHTTP3: false,
}, {
name: "quic_clientid",
proto: proxy.ProtoQUIC,
@@ -135,6 +142,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "cli",
wantErrMsg: "",
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_clientid_issue3437",
proto: proxy.ProtoTLS,
@@ -144,6 +152,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantErrMsg: `clientid check: client server name "cli.myexample.com" ` +
`doesn't match host server name "example.com"`,
strictSNI: true,
useHTTP3: false,
}, {
name: "tls_case",
proto: proxy.ProtoTLS,
@@ -152,6 +161,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "insensitive",
wantErrMsg: ``,
strictSNI: true,
useHTTP3: false,
}, {
name: "quic_case",
proto: proxy.ProtoQUIC,
@@ -160,6 +170,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "insensitive",
wantErrMsg: ``,
strictSNI: true,
useHTTP3: false,
}, {
name: "https_no_clientid",
proto: proxy.ProtoHTTPS,
@@ -168,6 +179,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "",
wantErrMsg: "",
strictSNI: true,
useHTTP3: false,
}, {
name: "https_clientid",
proto: proxy.ProtoHTTPS,
@@ -176,6 +188,16 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "cli",
wantErrMsg: "",
strictSNI: true,
useHTTP3: false,
}, {
name: "https_clientid_quic",
proto: proxy.ProtoHTTPS,
hostSrvName: "example.com",
cliSrvName: "cli.example.com",
wantClientID: "cli",
wantErrMsg: "",
strictSNI: true,
useHTTP3: true,
}}
for _, tc := range testCases {
@@ -197,18 +219,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
switch tc.proto {
case proxy.ProtoHTTPS:
u := &url.URL{
Path: "/dns-query",
}
connState := &tls.ConnectionState{
ServerName: tc.cliSrvName,
}
httpReq = &http.Request{
URL: u,
TLS: connState,
}
httpReq = newHTTPReq(tc.cliSrvName, tc.useHTTP3)
case proxy.ProtoQUIC:
qconn = testQUICConnection{
serverName: tc.cliSrvName,
@@ -234,6 +245,33 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
}
}
// newHTTPReq is a helper to create HTTP requests for tests.
func newHTTPReq(cliSrvName string, useHTTP3 bool) (r *http.Request) {
u := &url.URL{
Path: "/dns-query",
}
if useHTTP3 {
return &http.Request{
ProtoMajor: 3,
ProtoMinor: 0,
URL: u,
Host: cliSrvName,
TLS: &tls.ConnectionState{},
}
}
return &http.Request{
ProtoMajor: 1,
ProtoMinor: 1,
URL: u,
Host: cliSrvName,
TLS: &tls.ConnectionState{
ServerName: cliSrvName,
},
}
}
func TestClientIDFromDNSContextHTTPS(t *testing.T) {
testCases := []struct {
name string