badguardhome/internal/dnsforward/http_test.go
Ainar Garipov 5d0d32b926 Pull request: all: support multiple dns hosts
Updates #1401.

Squashed commit of the following:

commit a18c3f062a88ad7d7fbfacaedb893f1ca660b6dc
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 22 21:55:26 2021 +0300

    home: imp code

commit 2b4a28cbf379fbc5fb168af6d8d078cab2b8bd64
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 22 20:55:08 2021 +0300

    all: rm unused field

commit 5766a97dafff4acff6b909eb6303459f7991c81e
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 22 16:40:14 2021 +0300

    all: support multiple dns hosts
2021-03-23 12:32:07 +03:00

216 lines
11 KiB
Go

package dnsforward
import (
"io/ioutil"
"net"
"net/http"
"net/http/httptest"
"strings"
"testing"
"github.com/AdguardTeam/AdGuardHome/internal/dnsfilter"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDNSForwardHTTTP_handleGetConfig(t *testing.T) {
filterConf := &dnsfilter.Config{
SafeBrowsingEnabled: true,
SafeBrowsingCacheSize: 1000,
SafeSearchEnabled: true,
SafeSearchCacheSize: 1000,
ParentalCacheSize: 1000,
CacheTime: 30,
}
forwardConf := ServerConfig{
UDPListenAddrs: []*net.UDPAddr{},
TCPListenAddrs: []*net.TCPAddr{},
FilteringConfig: FilteringConfig{
ProtectionEnabled: true,
UpstreamDNS: []string{"8.8.8.8:53", "8.8.4.4:53"},
},
ConfigModified: func() {},
}
s := createTestServer(t, filterConf, forwardConf)
require.Nil(t, s.Start())
t.Cleanup(func() {
require.Nil(t, s.Stop())
})
defaultConf := s.conf
w := httptest.NewRecorder()
testCases := []struct {
name string
conf func() ServerConfig
want string
}{{
name: "all_right",
conf: func() ServerConfig {
return defaultConf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "fastest_addr",
conf: func() ServerConfig {
conf := defaultConf
conf.FastestAddr = true
return conf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "parallel",
conf: func() ServerConfig {
conf := defaultConf
conf.AllServers = true
return conf
},
want: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Cleanup(w.Body.Reset)
s.conf = tc.conf()
s.handleGetConfig(w, nil)
assert.Equal(t, "application/json", w.Header().Get("Content-Type"))
assert.Equal(t, tc.want, w.Body.String())
})
}
}
func TestDNSForwardHTTTP_handleSetConfig(t *testing.T) {
filterConf := &dnsfilter.Config{
SafeBrowsingEnabled: true,
SafeBrowsingCacheSize: 1000,
SafeSearchEnabled: true,
SafeSearchCacheSize: 1000,
ParentalCacheSize: 1000,
CacheTime: 30,
}
forwardConf := ServerConfig{
UDPListenAddrs: []*net.UDPAddr{},
TCPListenAddrs: []*net.TCPAddr{},
FilteringConfig: FilteringConfig{
ProtectionEnabled: true,
UpstreamDNS: []string{"8.8.8.8:53", "8.8.4.4:53"},
},
ConfigModified: func() {},
}
s := createTestServer(t, filterConf, forwardConf)
defaultConf := s.conf
err := s.Start()
assert.Nil(t, err)
defer func() {
assert.Nil(t, s.Stop())
}()
w := httptest.NewRecorder()
const defaultConfJSON = "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n"
testCases := []struct {
name string
req string
wantSet string
wantGet string
}{{
name: "upstream_dns",
req: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"]}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:77\",\"8.8.4.4:77\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "bootstraps",
req: "{\"bootstrap_dns\":[\"9.9.9.10\"]}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "blocking_mode_good",
req: "{\"blocking_mode\":\"refused\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"refused\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "blocking_mode_bad",
req: "{\"blocking_mode\":\"custom_ip\"}",
wantSet: "blocking_mode: incorrect value\n",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "ratelimit",
req: "{\"ratelimit\":6}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":6,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "edns_cs_enabled",
req: "{\"edns_cs_enabled\":true}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":true,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "dnssec_enabled",
req: "{\"dnssec_enabled\":true}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":true,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "cache_size",
req: "{\"cache_size\":1024}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"\",\"cache_size\":1024,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_mode_parallel",
req: "{\"upstream_mode\":\"parallel\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"parallel\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_mode_fastest_addr",
req: "{\"upstream_mode\":\"fastest_addr\"}",
wantSet: "",
wantGet: "{\"upstream_dns\":[\"8.8.8.8:53\",\"8.8.4.4:53\"],\"upstream_dns_file\":\"\",\"bootstrap_dns\":[\"9.9.9.10\",\"149.112.112.10\",\"2620:fe::10\",\"2620:fe::fe:10\"],\"protection_enabled\":true,\"ratelimit\":0,\"blocking_mode\":\"\",\"blocking_ipv4\":\"\",\"blocking_ipv6\":\"\",\"edns_cs_enabled\":false,\"dnssec_enabled\":false,\"disable_ipv6\":false,\"upstream_mode\":\"fastest_addr\",\"cache_size\":0,\"cache_ttl_min\":0,\"cache_ttl_max\":0}\n",
}, {
name: "upstream_dns_bad",
req: "{\"upstream_dns\":[\"\"]}",
wantSet: "wrong upstreams specification: missing port in address\n",
wantGet: defaultConfJSON,
}, {
name: "bootstraps_bad",
req: "{\"bootstrap_dns\":[\"a\"]}",
wantSet: "a can not be used as bootstrap dns cause: invalid bootstrap server address: Resolver a is not eligible to be a bootstrap DNS server\n",
wantGet: defaultConfJSON,
}, {
name: "cache_bad_ttl",
req: "{\"cache_ttl_min\":1024,\"cache_ttl_max\":512}",
wantSet: "cache_ttl_min must be less or equal than cache_ttl_max\n",
wantGet: defaultConfJSON,
}, {
name: "upstream_mode_bad",
req: "{\"upstream_mode\":\"somethingelse\"}",
wantSet: "upstream_mode: incorrect value\n",
wantGet: defaultConfJSON,
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
t.Cleanup(func() {
s.conf = defaultConf
})
rBody := ioutil.NopCloser(strings.NewReader(tc.req))
var r *http.Request
r, err = http.NewRequest(http.MethodPost, "http://example.com", rBody)
require.Nil(t, err)
s.handleSetConfig(w, r)
assert.Equal(t, tc.wantSet, w.Body.String())
w.Body.Reset()
s.handleGetConfig(w, nil)
assert.Equal(t, tc.wantGet, w.Body.String())
w.Body.Reset()
})
}
}