Compare commits

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9 Commits
1.12.1 ... main

Author SHA1 Message Date
dependabot[bot]
9edaac9c11 chore(deps): bump aquasecurity/trivy-action from 0.35.0 to 0.36.0
Bumps [aquasecurity/trivy-action](https://github.com/aquasecurity/trivy-action) from 0.35.0 to 0.36.0.
- [Release notes](https://github.com/aquasecurity/trivy-action/releases)
- [Commits](57a97c7e78...ed142fd067)

---
updated-dependencies:
- dependency-name: aquasecurity/trivy-action
  dependency-version: 0.36.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
2026-05-05 18:11:26 -07:00
dependabot[bot]
ced87b1d5e chore(nix): fix hash for updated go dependencies 2026-05-05 18:11:21 -07:00
dependabot[bot]
3aaebe64fb chore(deps): bump the prod-minor-updates group across 1 directory with 4 updates
Bumps the prod-minor-updates group with 3 updates in the / directory: [golang.org/x/crypto](https://github.com/golang/crypto), [golang.org/x/net](https://github.com/golang/net) and [google.golang.org/grpc](https://github.com/grpc/grpc-go).


Updates `golang.org/x/crypto` from 0.49.0 to 0.50.0
- [Commits](https://github.com/golang/crypto/compare/v0.49.0...v0.50.0)

Updates `golang.org/x/net` from 0.52.0 to 0.53.0
- [Commits](https://github.com/golang/net/compare/v0.52.0...v0.53.0)

Updates `golang.org/x/sys` from 0.42.0 to 0.43.0
- [Commits](https://github.com/golang/sys/compare/v0.42.0...v0.43.0)

Updates `google.golang.org/grpc` from 1.80.0 to 1.81.0
- [Release notes](https://github.com/grpc/grpc-go/releases)
- [Commits](https://github.com/grpc/grpc-go/compare/v1.80.0...v1.81.0)

---
updated-dependencies:
- dependency-name: golang.org/x/crypto
  dependency-version: 0.50.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-minor-updates
- dependency-name: golang.org/x/net
  dependency-version: 0.53.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-minor-updates
- dependency-name: golang.org/x/sys
  dependency-version: 0.43.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-minor-updates
- dependency-name: google.golang.org/grpc
  dependency-version: 1.81.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: prod-minor-updates
...

Signed-off-by: dependabot[bot] <support@github.com>
2026-05-05 18:11:21 -07:00
Owen Schwartz
57aa2e2e2c Merge pull request #336 from fosrl/dev
1.12.3
2026-04-29 16:02:49 -07:00
Owen Schwartz
5724c516dc Merge pull request #334 from LaurenceJJones/private-http-websocket
enhance(http): Support websocket upgrades
2026-04-29 15:58:30 -07:00
Owen
b33c3b8849 Add some test scripts for ws and move to testing/ 2026-04-29 15:57:31 -07:00
Laurence
8e19e475bf Support websocket upgrades in private HTTP proxy
Preserve optional ResponseWriter interfaces through statusCapture so httputil.ReverseProxy can hijack upgraded websocket connections. Add a regression test covering websocket traffic through the HTTP handler path.
2026-04-29 07:12:35 +01:00
Owen Schwartz
9e92c42876 Merge pull request #333 from fosrl/dev
Dont block tcp for http unless there are targets
2026-04-28 14:51:01 -07:00
Owen
66c72bbe2e Dont block tcp for http unless there are targets 2026-04-28 14:29:55 -07:00
11 changed files with 256 additions and 36 deletions

View File

@@ -764,7 +764,7 @@ jobs:
cosign public-key --key env://COSIGN_PRIVATE_KEY >/dev/null
- name: Generate SBOM (SPDX JSON) from GHCR digest
uses: aquasecurity/trivy-action@57a97c7e7821a5776cebc9bb87c984fa69cba8f1 # v0.35.0
uses: aquasecurity/trivy-action@ed142fd0673e97e23eac54620cfb913e5ce36c25 # v0.36.0
with:
image-ref: ${{ env.GHCR_REF }}
format: spdx-json

View File

@@ -35,7 +35,7 @@
inherit version;
src = pkgs.nix-gitignore.gitignoreSource [ ] ./.;
vendorHash = "sha256-+zMSzNbqmWm/DXL2xMUd5uPP5tSIybsRokwJ2zd0pf0=";
vendorHash = "sha256-WfIK+Q8WQ372NzLw6DRapv1nYPduShi4KnVJBPk0Oz0=";
nativeInstallCheckInputs = [ pkgs.versionCheckHook ];

14
go.mod
View File

@@ -17,14 +17,14 @@ require (
go.opentelemetry.io/otel/metric v1.43.0
go.opentelemetry.io/otel/sdk v1.43.0
go.opentelemetry.io/otel/sdk/metric v1.43.0
golang.org/x/crypto v0.49.0
golang.org/x/crypto v0.50.0
golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6
golang.org/x/net v0.52.0
golang.org/x/sys v0.42.0
golang.org/x/net v0.53.0
golang.org/x/sys v0.43.0
golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb
golang.zx2c4.com/wireguard/wgctrl v0.0.0-20241231184526-a9ab2273dd10
golang.zx2c4.com/wireguard/windows v0.5.3
google.golang.org/grpc v1.80.0
google.golang.org/grpc v1.81.0
gopkg.in/yaml.v3 v3.0.1
gvisor.dev/gvisor v0.0.0-20250503011706-39ed1f5ac29c
software.sslmate.com/src/go-pkcs12 v0.7.0
@@ -65,11 +65,11 @@ require (
go.opentelemetry.io/otel/trace v1.43.0 // indirect
go.opentelemetry.io/proto/otlp v1.10.0 // indirect
go.yaml.in/yaml/v2 v2.4.4 // indirect
golang.org/x/mod v0.33.0 // indirect
golang.org/x/mod v0.34.0 // indirect
golang.org/x/sync v0.20.0 // indirect
golang.org/x/text v0.35.0 // indirect
golang.org/x/text v0.36.0 // indirect
golang.org/x/time v0.12.0 // indirect
golang.org/x/tools v0.42.0 // indirect
golang.org/x/tools v0.43.0 // indirect
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 // indirect
google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9 // indirect
google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 // indirect

28
go.sum
View File

@@ -125,26 +125,26 @@ go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
go.yaml.in/yaml/v2 v2.4.4 h1:tuyd0P+2Ont/d6e2rl3be67goVK4R6deVxCUX5vyPaQ=
go.yaml.in/yaml/v2 v2.4.4/go.mod h1:gMZqIpDtDqOfM0uNfy0SkpRhvUryYH0Z6wdMYcacYXQ=
golang.org/x/crypto v0.49.0 h1:+Ng2ULVvLHnJ/ZFEq4KdcDd/cfjrrjjNSXNzxg0Y4U4=
golang.org/x/crypto v0.49.0/go.mod h1:ErX4dUh2UM+CFYiXZRTcMpEcN8b/1gxEuv3nODoYtCA=
golang.org/x/crypto v0.50.0 h1:zO47/JPrL6vsNkINmLoo/PH1gcxpls50DNogFvB5ZGI=
golang.org/x/crypto v0.50.0/go.mod h1:3muZ7vA7PBCE6xgPX7nkzzjiUq87kRItoJQM1Yo8S+Q=
golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6 h1:zfMcR1Cs4KNuomFFgGefv5N0czO2XZpUbxGUy8i8ug0=
golang.org/x/exp v0.0.0-20251113190631-e25ba8c21ef6/go.mod h1:46edojNIoXTNOhySWIWdix628clX9ODXwPsQuG6hsK0=
golang.org/x/mod v0.33.0 h1:tHFzIWbBifEmbwtGz65eaWyGiGZatSrT9prnU8DbVL8=
golang.org/x/mod v0.33.0/go.mod h1:swjeQEj+6r7fODbD2cqrnje9PnziFuw4bmLbBZFrQ5w=
golang.org/x/net v0.52.0 h1:He/TN1l0e4mmR3QqHMT2Xab3Aj3L9qjbhRm78/6jrW0=
golang.org/x/net v0.52.0/go.mod h1:R1MAz7uMZxVMualyPXb+VaqGSa3LIaUqk0eEt3w36Sw=
golang.org/x/mod v0.34.0 h1:xIHgNUUnW6sYkcM5Jleh05DvLOtwc6RitGHbDk4akRI=
golang.org/x/mod v0.34.0/go.mod h1:ykgH52iCZe79kzLLMhyCUzhMci+nQj+0XkbXpNYtVjY=
golang.org/x/net v0.53.0 h1:d+qAbo5L0orcWAr0a9JweQpjXF19LMXJE8Ey7hwOdUA=
golang.org/x/net v0.53.0/go.mod h1:JvMuJH7rrdiCfbeHoo3fCQU24Lf5JJwT9W3sJFulfgs=
golang.org/x/sync v0.20.0 h1:e0PTpb7pjO8GAtTs2dQ6jYa5BWYlMuX047Dco/pItO4=
golang.org/x/sync v0.20.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
golang.org/x/sys v0.2.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.10.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
golang.org/x/text v0.35.0 h1:JOVx6vVDFokkpaq1AEptVzLTpDe9KGpj5tR4/X+ybL8=
golang.org/x/text v0.35.0/go.mod h1:khi/HExzZJ2pGnjenulevKNX1W67CUy0AsXcNubPGCA=
golang.org/x/sys v0.43.0 h1:Rlag2XtaFTxp19wS8MXlJwTvoh8ArU6ezoyFsMyCTNI=
golang.org/x/sys v0.43.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
golang.org/x/text v0.36.0 h1:JfKh3XmcRPqZPKevfXVpI1wXPTqbkE5f7JA92a55Yxg=
golang.org/x/text v0.36.0/go.mod h1:NIdBknypM8iqVmPiuco0Dh6P5Jcdk8lJL0CUebqK164=
golang.org/x/time v0.12.0 h1:ScB/8o8olJvc+CQPWrK3fPZNfh7qgwCrY0zJmoEQLSE=
golang.org/x/time v0.12.0/go.mod h1:CDIdPxbZBQxdj6cxyCIdrNogrJKMJ7pr37NYpMcMDSg=
golang.org/x/tools v0.42.0 h1:uNgphsn75Tdz5Ji2q36v/nsFSfR/9BRFvqhGBaJGd5k=
golang.org/x/tools v0.42.0/go.mod h1:Ma6lCIwGZvHK6XtgbswSoWroEkhugApmsXyrUmBhfr0=
golang.org/x/tools v0.43.0 h1:12BdW9CeB3Z+J/I/wj34VMl8X+fEXBxVR90JeMX5E7s=
golang.org/x/tools v0.43.0/go.mod h1:uHkMso649BX2cZK6+RpuIPXS3ho2hZo4FVwfoy1vIk0=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2 h1:B82qJJgjvYKsXS9jeunTOisW56dUokqW/FOteYJJ/yg=
golang.zx2c4.com/wintun v0.0.0-20230126152724-0fa3db229ce2/go.mod h1:deeaetjYA+DHMHg+sMSMI58GrEteJUUzzw7en6TJQcI=
golang.zx2c4.com/wireguard v0.0.0-20250521234502-f333402bd9cb h1:whnFRlWMcXI9d+ZbWg+4sHnLp52d5yiIPUxMBSt4X9A=
@@ -159,8 +159,8 @@ google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9 h1:
google.golang.org/genproto/googleapis/api v0.0.0-20260401024825-9d38bb4040a9/go.mod h1:7QBABkRtR8z+TEnmXTqIqwJLlzrZKVfAUm7tY3yGv0M=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9 h1:m8qni9SQFH0tJc1X0vmnpw/0t+AImlSvp30sEupozUg=
google.golang.org/genproto/googleapis/rpc v0.0.0-20260401024825-9d38bb4040a9/go.mod h1:4Hqkh8ycfw05ld/3BWL7rJOSfebL2Q+DVDeRgYgxUU8=
google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
google.golang.org/grpc v1.81.0 h1:W3G9N3KQf3BU+YuCtGKJk0CmxQNbAISICD/9AORxLIw=
google.golang.org/grpc v1.81.0/go.mod h1:xGH9GfzOyMTGIOXBJmXt+BX/V0kcdQbdcuwQ/zNw42I=
google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=

View File

@@ -152,20 +152,14 @@ func (h *TCPHandler) handleTCPConn(netstackConn *gonet.TCPConn, id stack.Transpo
srcAddr, _ := netip.ParseAddr(srcIP)
dstAddr, _ := netip.ParseAddr(dstIP)
rule := h.proxyHandler.subnetLookup.Match(srcAddr, dstAddr, dstPort, tcp.ProtocolNumber)
if rule != nil {
if rule.Protocol != "" {
logger.Info("TCP Forwarder: Routing %s:%d -> %s:%d to HTTP handler (%s)",
srcIP, srcPort, dstIP, dstPort, rule.Protocol)
h.proxyHandler.httpHandler.HandleConn(netstackConn, rule)
} else {
// A matching HTTP rule exists but has no protocol configured —
// do not fall through to the raw TCP handler; drop the connection.
logger.Info("TCP Forwarder: Dropping %s:%d -> %s:%d (HTTP rule matched but no protocol set)",
srcIP, srcPort, dstIP, dstPort)
netstackConn.Close()
}
if rule != nil && rule.Protocol != "" && len(rule.HTTPTargets) > 0 {
logger.Info("TCP Forwarder: Routing %s:%d -> %s:%d to HTTP handler (%s)",
srcIP, srcPort, dstIP, dstPort, rule.Protocol)
h.proxyHandler.httpHandler.HandleConn(netstackConn, rule)
return
}
// Otherwise fall through to raw TCP forwarding (e.g. CIDR resources
// that happen to use port 80/443 without HTTP configuration).
}
defer netstackConn.Close()

View File

@@ -6,8 +6,10 @@
package netstack2
import (
"bufio"
"context"
"crypto/tls"
"errors"
"fmt"
"net"
"net/http"
@@ -29,7 +31,7 @@ import (
type HTTPTarget struct {
DestAddr string `json:"destAddr"` // IP address or hostname of the downstream service
DestPort uint16 `json:"destPort"` // TCP port of the downstream service
Scheme string `json:"scheme"` // When true the outbound leg uses HTTPS
Scheme string `json:"scheme"` // When true the outbound leg uses HTTPS
}
// ---------------------------------------------------------------------------
@@ -322,6 +324,24 @@ func (sc *statusCapture) WriteHeader(code int) {
sc.ResponseWriter.WriteHeader(code)
}
func (sc *statusCapture) Unwrap() http.ResponseWriter {
return sc.ResponseWriter
}
func (sc *statusCapture) Flush() {
if flusher, ok := sc.ResponseWriter.(http.Flusher); ok {
flusher.Flush()
}
}
func (sc *statusCapture) Hijack() (net.Conn, *bufio.ReadWriter, error) {
hijacker, ok := sc.ResponseWriter.(http.Hijacker)
if !ok {
return nil, nil, errors.New("underlying response writer does not support hijacking")
}
return hijacker.Hijack()
}
// handleRequest is the http.Handler entry point. It retrieves the SubnetRule
// attached to the connection by ConnContext, selects the first configured
// downstream target, and forwards the request via the cached ReverseProxy.

View File

@@ -0,0 +1,97 @@
package netstack2
import (
"context"
"net"
"net/http"
"net/http/httptest"
"net/url"
"testing"
"github.com/gorilla/websocket"
)
func TestHTTPHandlerProxiesWebSocketUpgrade(t *testing.T) {
upgrader := websocket.Upgrader{}
backend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
conn, err := upgrader.Upgrade(w, r, nil)
if err != nil {
t.Errorf("upgrade failed: %v", err)
return
}
defer conn.Close()
messageType, payload, err := conn.ReadMessage()
if err != nil {
t.Errorf("read failed: %v", err)
return
}
if err := conn.WriteMessage(messageType, append([]byte("echo:"), payload...)); err != nil {
t.Errorf("write failed: %v", err)
}
}))
defer backend.Close()
backendURL, err := url.Parse(backend.URL)
if err != nil {
t.Fatalf("parse backend URL: %v", err)
}
backendHost, backendPort, err := net.SplitHostPort(backendURL.Host)
if err != nil {
t.Fatalf("split backend host: %v", err)
}
port, err := net.LookupPort("tcp", backendPort)
if err != nil {
t.Fatalf("parse backend port: %v", err)
}
handler := NewHTTPHandler(nil, nil)
rule := &SubnetRule{
Protocol: "http",
HTTPTargets: []HTTPTarget{
{
DestAddr: backendHost,
DestPort: uint16(port),
Scheme: backendURL.Scheme,
},
},
}
frontend := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
ctx := context.WithValue(r.Context(), connCtxKey{}, rule)
handler.handleRequest(w, r.WithContext(ctx))
}))
defer frontend.Close()
frontendURL, err := url.Parse(frontend.URL)
if err != nil {
t.Fatalf("parse frontend URL: %v", err)
}
wsURL := url.URL{
Scheme: "ws",
Host: frontendURL.Host,
Path: "/socket",
RawQuery: "token=test",
}
conn, _, err := websocket.DefaultDialer.Dial(wsURL.String(), nil)
if err != nil {
t.Fatalf("dial websocket through proxy: %v", err)
}
defer conn.Close()
if err := conn.WriteMessage(websocket.TextMessage, []byte("hello")); err != nil {
t.Fatalf("write websocket message: %v", err)
}
messageType, payload, err := conn.ReadMessage()
if err != nil {
t.Fatalf("read websocket message: %v", err)
}
if messageType != websocket.TextMessage {
t.Fatalf("message type = %d, want %d", messageType, websocket.TextMessage)
}
if got, want := string(payload), "echo:hello"; got != want {
t.Fatalf("payload = %q, want %q", got, want)
}
}

60
testing/ws_client.py Normal file
View File

@@ -0,0 +1,60 @@
import asyncio
import sys
import websockets
# Argument parsing: Check if HOST and PORT are provided
if len(sys.argv) < 3 or len(sys.argv) > 4:
print("Usage: python ws_client.py <HOST_IP> <HOST_PORT> [ws|wss]")
# Example: python ws_client.py 127.0.0.1 8765
# Example: python ws_client.py 127.0.0.1 8765 wss
sys.exit(1)
HOST = sys.argv[1]
try:
PORT = int(sys.argv[2])
except ValueError:
print("Error: HOST_PORT must be an integer.")
sys.exit(1)
if len(sys.argv) == 4:
SCHEME = sys.argv[3].lower()
if SCHEME not in ("ws", "wss"):
print("Error: scheme must be 'ws' or 'wss'.")
sys.exit(1)
else:
SCHEME = "ws"
URI = f"{SCHEME}://{HOST}:{PORT}"
# The message to send to the server
MESSAGE = "Hello WebSocket Server! How are you?"
async def main():
print(f"Connecting to {URI}...")
try:
async with websockets.connect(URI) as websocket:
print(f"Connected to server.")
print(f"Sending message: '{MESSAGE}'")
await websocket.send(MESSAGE)
response = await websocket.recv()
print("-" * 30)
print(f"Received response from server:")
print(f"-> Data: '{response}'")
except ConnectionRefusedError:
print(f"Error: Connection to {URI} was refused. Is the server running?")
except websockets.exceptions.InvalidMessage as e:
print(f"Error: Server did not respond with a valid WebSocket handshake: {e}")
except Exception as e:
print(f"Error during communication: {e}")
print("-" * 30)
print("Client finished.")
asyncio.run(main())

49
testing/ws_server.py Normal file
View File

@@ -0,0 +1,49 @@
import asyncio
import sys
import websockets
# Optionally take in a positional arg for the port
if len(sys.argv) > 1:
try:
PORT = int(sys.argv[1])
except ValueError:
print("Invalid port number. Using default port 8765.")
PORT = 8765
else:
PORT = 8765
# Define the server host
HOST = "0.0.0.0"
async def handle_client(websocket):
client_address = websocket.remote_address
print(f"Client connected: {client_address[0]}:{client_address[1]}")
try:
async for message in websocket:
print("-" * 30)
print(f"Received message from {client_address[0]}:{client_address[1]}:")
print(f"-> Data: '{message}'")
response = f"Hello client! Server received: '{message.upper()}'"
await websocket.send(response)
print(f"Sent response back to client.")
except websockets.exceptions.ConnectionClosedOK:
print(f"Client {client_address[0]}:{client_address[1]} disconnected cleanly.")
except websockets.exceptions.ConnectionClosedError as e:
print(f"Client {client_address[0]}:{client_address[1]} disconnected with error: {e}")
async def main():
print(f"WebSocket Server listening on {HOST}:{PORT}")
async with websockets.serve(handle_client, HOST, PORT):
await asyncio.Future() # Run forever
try:
asyncio.run(main())
except KeyboardInterrupt:
print("\nServer stopped.")