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authorMatus Fabian <matfabia@cisco.com>2024-05-28 13:39:13 +0200
committerFlorin Coras <florin.coras@gmail.com>2024-05-28 20:42:30 +0000
commit5409d330020b19ab909838e734e29ab71c36a14f (patch)
treed290fd755a494827be0bc3f31cbdb3887939cb0e /extras/hs-test
parenta93c85a5793852b6edda20bc1100fa9fabd0eb29 (diff)
http_static: sanitize path before file read
Romove dot segments from requested target path before start reading file in file handler to prevent path traversal. Type: fix Change-Id: I3bdd3e9d7fffd33c9c8c608169c1dc73423b7078 Signed-off-by: Matus Fabian <matfabia@cisco.com>
Diffstat (limited to 'extras/hs-test')
-rw-r--r--extras/hs-test/http_test.go57
-rw-r--r--extras/hs-test/utils.go16
2 files changed, 47 insertions, 26 deletions
diff --git a/extras/hs-test/http_test.go b/extras/hs-test/http_test.go
index 94cb0cad064..ba0fdb31a1a 100644
--- a/extras/hs-test/http_test.go
+++ b/extras/hs-test/http_test.go
@@ -16,10 +16,12 @@ func init() {
registerNoTopoTests(NginxHttp3Test, NginxAsServerTest,
NginxPerfCpsTest, NginxPerfRpsTest, NginxPerfWrkTest, HeaderServerTest,
HttpStaticMovedTest, HttpStaticNotFoundTest, HttpCliMethodNotAllowedTest,
- HttpCliBadRequestTest)
+ HttpCliBadRequestTest, HttpStaticPathTraversalTest)
registerNoTopoSoloTests(HttpStaticPromTest)
}
+const wwwRootPath = "/tmp/www_root"
+
func HttpTpsTest(s *NsSuite) {
iface := s.getInterfaceByName(clientInterface)
client_ip := iface.ip4AddressString()
@@ -108,21 +110,31 @@ func HttpStaticPromTest(s *NoTopoSuite) {
s.assertNil(err)
}
+func HttpStaticPathTraversalTest(s *NoTopoSuite) {
+ vpp := s.getContainerByName("vpp").vppInstance
+ vpp.container.exec("mkdir -p " + wwwRootPath)
+ vpp.container.exec("mkdir -p " + "/tmp/secret_folder")
+ vpp.container.createFile("/tmp/secret_folder/secret_file.txt", "secret")
+ serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
+ s.log(vpp.vppctl("http static server www-root " + wwwRootPath + " uri tcp://" + serverAddress + "/80 debug"))
+
+ client := newHttpClient()
+ req, err := http.NewRequest("GET", "http://"+serverAddress+":80/../secret_folder/secret_file.txt", nil)
+ s.assertNil(err, fmt.Sprint(err))
+ resp, err := client.Do(req)
+ s.assertNil(err, fmt.Sprint(err))
+ defer resp.Body.Close()
+ s.assertEqual(404, resp.StatusCode)
+}
+
func HttpStaticMovedTest(s *NoTopoSuite) {
vpp := s.getContainerByName("vpp").vppInstance
- vpp.container.exec("mkdir -p /tmp/tmp.aaa")
- vpp.container.createFile("/tmp/tmp.aaa/index.html", "<http><body><p>Hello</p></body></http>")
+ vpp.container.exec("mkdir -p " + wwwRootPath + "/tmp.aaa")
+ vpp.container.createFile(wwwRootPath+"/tmp.aaa/index.html", "<http><body><p>Hello</p></body></http>")
serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
- s.log(vpp.vppctl("http static server www-root /tmp uri tcp://" + serverAddress + "/80 debug"))
-
- transport := http.DefaultTransport
- transport.(*http.Transport).Proxy = nil
- client := &http.Client{
- CheckRedirect: func(req *http.Request, via []*http.Request) error {
- return http.ErrUseLastResponse
- },
- Transport: transport,
- }
+ s.log(vpp.vppctl("http static server www-root " + wwwRootPath + " uri tcp://" + serverAddress + "/80 debug"))
+
+ client := newHttpClient()
req, err := http.NewRequest("GET", "http://"+serverAddress+":80/tmp.aaa", nil)
s.assertNil(err, fmt.Sprint(err))
resp, err := client.Do(req)
@@ -134,12 +146,11 @@ func HttpStaticMovedTest(s *NoTopoSuite) {
func HttpStaticNotFoundTest(s *NoTopoSuite) {
vpp := s.getContainerByName("vpp").vppInstance
+ vpp.container.exec("mkdir -p " + wwwRootPath)
serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
- s.log(vpp.vppctl("http static server www-root /tmp uri tcp://" + serverAddress + "/80 debug"))
+ s.log(vpp.vppctl("http static server www-root " + wwwRootPath + " uri tcp://" + serverAddress + "/80 debug"))
- transport := http.DefaultTransport
- transport.(*http.Transport).Proxy = nil
- client := &http.Client{Transport: transport}
+ client := newHttpClient()
req, err := http.NewRequest("GET", "http://"+serverAddress+":80/notfound.html", nil)
s.assertNil(err, fmt.Sprint(err))
resp, err := client.Do(req)
@@ -153,9 +164,7 @@ func HttpCliMethodNotAllowedTest(s *NoTopoSuite) {
serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
vpp.vppctl("http cli server")
- transport := http.DefaultTransport
- transport.(*http.Transport).Proxy = nil
- client := &http.Client{Transport: transport}
+ client := newHttpClient()
req, err := http.NewRequest("POST", "http://"+serverAddress+":80/test", nil)
s.assertNil(err, fmt.Sprint(err))
resp, err := client.Do(req)
@@ -171,9 +180,7 @@ func HttpCliBadRequestTest(s *NoTopoSuite) {
serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
vpp.vppctl("http cli server")
- transport := http.DefaultTransport
- transport.(*http.Transport).Proxy = nil
- client := &http.Client{Transport: transport}
+ client := newHttpClient()
req, err := http.NewRequest("GET", "http://"+serverAddress+":80", nil)
s.assertNil(err, fmt.Sprint(err))
resp, err := client.Do(req)
@@ -187,9 +194,7 @@ func HeaderServerTest(s *NoTopoSuite) {
serverAddress := s.getInterfaceByName(tapInterfaceName).peer.ip4AddressString()
vpp.vppctl("http cli server")
- transport := http.DefaultTransport
- transport.(*http.Transport).Proxy = nil
- client := &http.Client{Transport: transport}
+ client := newHttpClient()
req, err := http.NewRequest("GET", "http://"+serverAddress+":80/show/version", nil)
s.assertNil(err, fmt.Sprint(err))
resp, err := client.Do(req)
diff --git a/extras/hs-test/utils.go b/extras/hs-test/utils.go
index 304dd4c241b..d250dc64519 100644
--- a/extras/hs-test/utils.go
+++ b/extras/hs-test/utils.go
@@ -3,8 +3,10 @@ package main
import (
"fmt"
"io"
+ "net/http"
"os"
"strings"
+ "time"
)
const networkTopologyDir string = "topo-network/"
@@ -78,3 +80,17 @@ func (s *Stanza) saveToFile(fileName string) error {
_, err = io.Copy(fo, strings.NewReader(s.content))
return err
}
+
+// newHttpClient creates [http.Client] with disabled proxy and redirects, it also sets timeout to 30seconds.
+func newHttpClient() *http.Client {
+ transport := http.DefaultTransport
+ transport.(*http.Transport).Proxy = nil
+ transport.(*http.Transport).DisableKeepAlives = true
+ client := &http.Client{
+ Transport: transport,
+ Timeout: time.Second * 30,
+ CheckRedirect: func(req *http.Request, via []*http.Request) error {
+ return http.ErrUseLastResponse
+ }}
+ return client
+}