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Pull request: 3418-clientid-doh

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Closes #3418.

Squashed commit of the following:

commit 8a1180f8ef03d30ea3ae6a3e3121ddcac513f45b
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Oct 5 17:26:22 2022 +0300

    all: imp docs, tests

commit 9629c69b39540db119044f2f79c1c4ed39de911f
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Wed Oct 5 15:34:33 2022 +0300

    dnsforward: accept clientids from doh client srvname
This commit is contained in:
Ainar Garipov
2022-10-05 18:11:09 +03:00
parent 2e0f6e5468
commit 330ac30324
3 changed files with 114 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files

69
internal/dnsforward/clientid_test.go
View File

@@ -160,6 +160,22 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
wantClientID: "insensitive",
wantErrMsg: ``,
strictSNI: true,
}, {
name: "https_no_clientid",
proto: proxy.ProtoHTTPS,
hostSrvName: "example.com",
cliSrvName: "example.com",
wantClientID: "",
wantErrMsg: "",
strictSNI: true,
}, {
name: "https_clientid",
proto: proxy.ProtoHTTPS,
hostSrvName: "example.com",
cliSrvName: "cli.example.com",
wantClientID: "cli",
wantErrMsg: "",
strictSNI: true,
}}
for _, tc := range testCases {
@@ -173,16 +189,32 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
conf: ServerConfig{TLSConfig: tlsConf},
}
var conn net.Conn
if tc.proto == proxy.ProtoTLS {
conn = testTLSConn{
var (
conn net.Conn
qconn quic.Connection
httpReq *http.Request
)
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,
}
case proxy.ProtoQUIC:
qconn = testQUICConnection{
serverName: tc.cliSrvName,
}
}
var qconn quic.Connection
if tc.proto == proxy.ProtoQUIC {
qconn = testQUICConnection{
case proxy.ProtoTLS:
conn = testTLSConn{
serverName: tc.cliSrvName,
}
}
@@ -190,6 +222,7 @@ func TestServer_clientIDFromDNSContext(t *testing.T) {
pctx := &proxy.DNSContext{
Proto: tc.proto,
Conn: conn,
HTTPRequest: httpReq,
QUICConnection: qconn,
}
@@ -205,56 +238,76 @@ 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 domain name 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{