mirror of
https://github.com/AdguardTeam/AdGuardHome.git
synced 2024-11-25 22:45:46 +03:00
20531de760
Merge in DNS/adguard-home from 4884-upd-golibs to master
Updates #4884.
Squashed commit of the following:
commit 4d076021c2e500a75d0b3662643c0c26fd53f6c3
Merge: d780ad00 91dee098
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Tue Feb 21 16:47:08 2023 +0300
Merge branch 'master' into 4884-upd-golibs
commit d780ad008b8925a1f499d70f827b79be597c60b5
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Tue Feb 21 14:17:11 2023 +0300
dnsforward: imp tests
commit ff9963da35d0220af461cdec66a38134f85ec956
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Tue Feb 21 13:50:05 2023 +0300
all: log changes
commit 5703f7a52a364c2d075ed2d862a38587c2650cae
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date: Tue Feb 21 13:36:43 2023 +0300
all: upd golibs and fix breaking changes
366 lines
8.8 KiB
Go
366 lines
8.8 KiB
Go
package dnsforward
|
|
|
|
import (
|
|
"crypto/tls"
|
|
"net"
|
|
"net/http"
|
|
"net/url"
|
|
"testing"
|
|
|
|
"github.com/AdguardTeam/dnsproxy/proxy"
|
|
"github.com/AdguardTeam/golibs/testutil"
|
|
"github.com/quic-go/quic-go"
|
|
"github.com/stretchr/testify/assert"
|
|
)
|
|
|
|
// testTLSConn is a tlsConn for tests.
|
|
type testTLSConn struct {
|
|
// Conn is embedded here simply to make testTLSConn a net.Conn without
|
|
// actually implementing all methods.
|
|
net.Conn
|
|
|
|
serverName string
|
|
}
|
|
|
|
// ConnectionState implements the tlsConn interface for testTLSConn.
|
|
func (c testTLSConn) ConnectionState() (cs tls.ConnectionState) {
|
|
cs.ServerName = c.serverName
|
|
|
|
return cs
|
|
}
|
|
|
|
// testQUICConnection is a quicConnection for tests.
|
|
type testQUICConnection struct {
|
|
// Connection is embedded here simply to make testQUICConnection a
|
|
// quic.Connection without actually implementing all methods.
|
|
quic.Connection
|
|
|
|
serverName string
|
|
}
|
|
|
|
// ConnectionState implements the quicConnection interface for
|
|
// testQUICConnection.
|
|
func (c testQUICConnection) ConnectionState() (cs quic.ConnectionState) {
|
|
cs.TLS.ServerName = c.serverName
|
|
|
|
return cs
|
|
}
|
|
|
|
func TestServer_clientIDFromDNSContext(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
proto proxy.Proto
|
|
confSrvName string
|
|
cliSrvName string
|
|
wantClientID string
|
|
wantErrMsg string
|
|
inclHTTPTLS bool
|
|
strictSNI bool
|
|
}{{
|
|
name: "udp",
|
|
proto: proxy.ProtoUDP,
|
|
confSrvName: "",
|
|
cliSrvName: "",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: false,
|
|
}, {
|
|
name: "tls_no_clientid",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_no_client_server_name",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: client server name "" ` +
|
|
`doesn't match host server name "example.com"`,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_no_client_server_name_no_strict",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: false,
|
|
}, {
|
|
name: "tls_clientid",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_clientid_hostname_error",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.example.net",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: client server name "cli.example.net" ` +
|
|
`doesn't match host server name "example.com"`,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_invalid_clientid",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "!!!.example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: invalid clientid "!!!": ` +
|
|
`bad hostname label rune '!'`,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_clientid_too_long",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: `abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmno` +
|
|
`pqrstuvwxyz0123456789.example.com`,
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: invalid clientid "abcdefghijklmno` +
|
|
`pqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789": ` +
|
|
`hostname label is too long: got 72, max 63`,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "quic_clientid",
|
|
proto: proxy.ProtoQUIC,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_clientid_issue3437",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.myexample.com",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: client server name "cli.myexample.com" ` +
|
|
`doesn't match host server name "example.com"`,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "tls_case",
|
|
proto: proxy.ProtoTLS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "InSeNsItIvE.example.com",
|
|
wantClientID: "insensitive",
|
|
wantErrMsg: ``,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "quic_case",
|
|
proto: proxy.ProtoQUIC,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "InSeNsItIvE.example.com",
|
|
wantClientID: "insensitive",
|
|
wantErrMsg: ``,
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "https_no_clientid",
|
|
proto: proxy.ProtoHTTPS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: true,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "https_clientid",
|
|
proto: proxy.ProtoHTTPS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: true,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "https_issue5518",
|
|
proto: proxy.ProtoHTTPS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "cli.example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}, {
|
|
name: "https_no_host",
|
|
proto: proxy.ProtoHTTPS,
|
|
confSrvName: "example.com",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
inclHTTPTLS: false,
|
|
strictSNI: true,
|
|
}}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
tlsConf := TLSConfig{
|
|
ServerName: tc.confSrvName,
|
|
StrictSNICheck: tc.strictSNI,
|
|
}
|
|
|
|
srv := &Server{
|
|
conf: ServerConfig{TLSConfig: tlsConf},
|
|
}
|
|
|
|
var (
|
|
conn net.Conn
|
|
qconn quic.Connection
|
|
httpReq *http.Request
|
|
)
|
|
|
|
switch tc.proto {
|
|
case proxy.ProtoHTTPS:
|
|
httpReq = newHTTPReq(tc.cliSrvName, tc.inclHTTPTLS)
|
|
case proxy.ProtoQUIC:
|
|
qconn = testQUICConnection{
|
|
serverName: tc.cliSrvName,
|
|
}
|
|
case proxy.ProtoTLS:
|
|
conn = testTLSConn{
|
|
serverName: tc.cliSrvName,
|
|
}
|
|
}
|
|
|
|
pctx := &proxy.DNSContext{
|
|
Proto: tc.proto,
|
|
Conn: conn,
|
|
HTTPRequest: httpReq,
|
|
QUICConnection: qconn,
|
|
}
|
|
|
|
clientID, err := srv.clientIDFromDNSContext(pctx)
|
|
assert.Equal(t, tc.wantClientID, clientID)
|
|
|
|
testutil.AssertErrorMsg(t, tc.wantErrMsg, err)
|
|
})
|
|
}
|
|
}
|
|
|
|
// newHTTPReq is a helper to create HTTP requests for tests.
|
|
func newHTTPReq(cliSrvName string, inclTLS bool) (r *http.Request) {
|
|
u := &url.URL{
|
|
Path: "/dns-query",
|
|
}
|
|
|
|
r = &http.Request{
|
|
ProtoMajor: 1,
|
|
ProtoMinor: 1,
|
|
URL: u,
|
|
Host: cliSrvName,
|
|
}
|
|
|
|
if inclTLS {
|
|
r.TLS = &tls.ConnectionState{
|
|
ServerName: cliSrvName,
|
|
}
|
|
}
|
|
|
|
return r
|
|
}
|
|
|
|
func TestClientIDFromDNSContextHTTPS(t *testing.T) {
|
|
testCases := []struct {
|
|
name string
|
|
path string
|
|
cliSrvName string
|
|
wantClientID string
|
|
wantErrMsg string
|
|
}{{
|
|
name: "no_clientid",
|
|
path: "/dns-query",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
}, {
|
|
name: "no_clientid_slash",
|
|
path: "/dns-query/",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: "",
|
|
}, {
|
|
name: "clientid",
|
|
path: "/dns-query/cli",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
}, {
|
|
name: "clientid_slash",
|
|
path: "/dns-query/cli/",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "cli",
|
|
wantErrMsg: "",
|
|
}, {
|
|
name: "clientid_case",
|
|
path: "/dns-query/InSeNsItIvE",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "insensitive",
|
|
wantErrMsg: ``,
|
|
}, {
|
|
name: "bad_url",
|
|
path: "/foo",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: invalid path "/foo"`,
|
|
}, {
|
|
name: "extra",
|
|
path: "/dns-query/cli/foo",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: invalid path "/dns-query/cli/foo": extra parts`,
|
|
}, {
|
|
name: "invalid_clientid",
|
|
path: "/dns-query/!!!",
|
|
cliSrvName: "example.com",
|
|
wantClientID: "",
|
|
wantErrMsg: `clientid check: invalid clientid "!!!": bad hostname label rune '!'`,
|
|
}, {
|
|
name: "both_ids",
|
|
path: "/dns-query/right",
|
|
cliSrvName: "wrong.example.com",
|
|
wantClientID: "right",
|
|
wantErrMsg: "",
|
|
}}
|
|
|
|
for _, tc := range testCases {
|
|
t.Run(tc.name, func(t *testing.T) {
|
|
connState := &tls.ConnectionState{
|
|
ServerName: tc.cliSrvName,
|
|
}
|
|
|
|
r := &http.Request{
|
|
URL: &url.URL{
|
|
Path: tc.path,
|
|
},
|
|
TLS: connState,
|
|
}
|
|
|
|
pctx := &proxy.DNSContext{
|
|
Proto: proxy.ProtoHTTPS,
|
|
HTTPRequest: r,
|
|
}
|
|
|
|
clientID, err := clientIDFromDNSContextHTTPS(pctx)
|
|
assert.Equal(t, tc.wantClientID, clientID)
|
|
|
|
testutil.AssertErrorMsg(t, tc.wantErrMsg, err)
|
|
})
|
|
}
|
|
}
|