Feature/kprobe for http1

clervers/http1/README.md

@@ -0,0 +1,9 @@
+## Run server
+```bash
+sudo go run server/main.go
+```
+
+## Running test client
+```bash
+bash ./client/client.sh
+```

clervers/http1/client/client.sh

@@ -0,0 +1 @@
+curl -X POST -v localhost:8080/customResponse -d '{"size": 10}'

clervers/http1/go.mod

@@ -0,0 +1,33 @@
+module http1_clerver_modules
+
+go 1.22
+
+replace http1_clerver_modules => ./
+
+require (
+	github.com/bytedance/sonic v1.9.1 // indirect
+	github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311 // indirect
+	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
+	github.com/gin-contrib/sse v0.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
+	github.com/go-playground/locales v0.14.1 // indirect
+	github.com/go-playground/universal-translator v0.18.1 // indirect
+	github.com/go-playground/validator/v10 v10.14.0 // indirect
+	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.4 // indirect
+	github.com/leodido/go-urn v1.2.4 // indirect
+	github.com/mattn/go-isatty v0.0.19 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/pelletier/go-toml/v2 v2.0.8 // indirect
+	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
+	github.com/ugorji/go/codec v1.2.11 // indirect
+	golang.org/x/arch v0.3.0 // indirect
+	golang.org/x/crypto v0.9.0 // indirect
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/sys v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	google.golang.org/protobuf v1.30.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

clervers/http1/go.sum

@@ -0,0 +1,78 @@
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clervers/http1/server/main.go

@@ -0,0 +1,72 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"math/rand"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/gin-gonic/gin"
+)
+
+const (
+	defaultPort    = "8080"
+	maxPayloadSize = 10 * 1024 * 1024 // 10 MB
+)
+
+var (
+	// source is a static, global rand object.
+	source      *rand.Rand
+	letterBytes = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890~!@#$"
+)
+
+func randStringBytes(n int) string {
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[source.Intn(len(letterBytes))]
+	}
+	return string(b)
+}
+
+func init() {
+	source = rand.New(rand.NewSource(time.Now().UnixNano()))
+}
+
+// customResponse holds the requested size for the response payload.
+type customResponse struct {
+	Size int `json:"size"`
+}
+
+func postCustomResponse(context *gin.Context) {
+	var customResp customResponse
+	if err := context.BindJSON(&customResp); err != nil {
+		_ = context.AbortWithError(http.StatusBadRequest, err)
+		return
+	}
+
+	if customResp.Size > maxPayloadSize {
+		_ = context.AbortWithError(http.StatusBadRequest, fmt.Errorf("requested size %d is bigger than max allowed %d", customResp, maxPayloadSize))
+		return
+	}
+
+	context.JSON(http.StatusOK, map[string]string{"answer": randStringBytes(customResp.Size)})
+}
+
+func main() {
+	engine := gin.New()
+
+	engine.Use(gin.Recovery())
+	engine.POST("/customResponse", postCustomResponse)
+
+	port := os.Getenv("PORT")
+	if port == "" {
+		port = defaultPort
+	}
+
+	fmt.Printf("listening on 0.0.0.0:%s\n", port)
+	if err := engine.Run(fmt.Sprintf("0.0.0.0:%s", port)); err != nil {
+		log.Fatal(err)
+	}
+}

clervers/http1s/README.md

@@ -0,0 +1,15 @@
+## Generate certs
+```bash
+cd main_src/server/certs
+openssl req -new -x509 -days 365 -nodes -out cert.pem -keyout key.pem
+```
+
+## Run server
+```bash
+python3 ./server/https_server.py 43421
+```
+
+## Run client
+```bash
+python3 ./client/client.py
+```

clervers/http1s/client/client.py

@@ -0,0 +1,3 @@
+import requests
+body = {"Hello World": "I'm testing my HTTPS sniffer", "Results=": "Good"}
+resp = requests.post("https://127.0.0.1:43421/example", json=body, verify=False)

clervers/http1s/server/certs/cert.pem

@@ -0,0 +1,21 @@
+-----BEGIN CERTIFICATE-----
+MIIDazCCAlOgAwIBAgIULjhok7bMSNcfH6Iyf4y0OPclIDcwDQYJKoZIhvcNAQEL
+BQAwRTELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM
+GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDAeFw0yMjAyMjgxMjA4MTlaFw0yMzAy
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+ZlhKxt2TnhDXGoI2yQx1weKzjfbZhug8TpnFrpu446imOqiA09BTOhiC8Fe+ajQx
+GmPndBk09QtEG1gDCo4/0ckLdNYjBExAzbRy/LjuokDE7KlJ5ocRLcI9VdGiJ9iP
++opDuKuTJynwoK6hkCK0hQFZSXXerg8kkWE7RnV8U5ZqTQ6xvThwCslCoGI5vpVK
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+vJgYJR7fjSsr1TAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBCwUAA4IBAQCJ
+IKSyEMtmLILLAK6PQ0EQIwUYmVCpU/FlesMg9vew8WEfxKEzK0m1qrleBfh46Qtm
+TUHcEFovVtrMEJ8j4ythQtOcaQHHp7rW8QSexpUrjCZdP64Oo6BD1jI5Cj+w7h0h
+HSsNo7igWNXtOri+DGKX+A9u8OfvDPddfc/EGawB1Knt3Um/hh8EM66KUFXco1LE
+oSS7hVWnQC7YEuGH9N+fCApdkzn1UvHE9nmgn9jSCcf3Q+A7t7UYnW5x22hX7FMx
+cGcq82PhjLFfg8L1pprG4irvNjs6MJUWRdNiN0CyariWSvpvAxtEBtIeXnhqj33b
+nWcsrhu+uVbkholAbrGy
+-----END CERTIFICATE-----

clervers/http1s/server/certs/key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

clervers/http1s/server/https_server.py

@@ -0,0 +1,66 @@
+#!/usr/bin/env python
+import os.path
+from http.server import HTTPServer, BaseHTTPRequestHandler
+
+import ssl
+import contextlib
+import threading
+import json
+import sys
+import signal
+
+CURRENT_DIR = os.path.dirname(os.path.abspath(__file__))
+CERTS_DIR = os.path.join(CURRENT_DIR, "certs")
+KEY_PEM = os.path.join(CERTS_DIR, "key.pem")
+CERT_PEM = os.path.join(CERTS_DIR, "cert.pem")
+
+
+class SimpleHTTPRequestHandler(BaseHTTPRequestHandler):
+
+    def do_POST(self):
+        content_len = int(self.headers.get('content-length'))
+        post_body = self.rfile.read(content_len)
+        try:
+            json.loads(post_body)
+        except Exception:
+            self.send_response(400)
+            self.end_headers()
+            self.wfile.write(json.dumps({
+                "error": "request body is not json",
+                "original body": post_body
+            }).encode())
+            return
+
+        self.send_response(200)
+        self.send_header('Content-type', 'application/json')
+        self.send_header('Content-length', str(content_len))
+
+        self.end_headers()
+        self.wfile.write(post_body)
+
+
+@contextlib.contextmanager
+def tls_server(host, port):
+    httpd = HTTPServer((host, port), SimpleHTTPRequestHandler)
+    httpd.socket = ssl.wrap_socket(httpd.socket, keyfile=KEY_PEM, certfile=CERT_PEM, server_side=True)
+    thread = threading.Thread(target=httpd.serve_forever, daemon=True)
+    thread.start()
+    yield
+    httpd.server_close()
+    thread.join(timeout=5)
+
+
+def signal_handler(sig, frame):
+    print('You pressed Ctrl+C!')
+    sys.exit(0)
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 2:
+        print(f"{sys.argv[0]} <port>")
+        sys.exit(1)
+    with tls_server("0.0.0.0", int(sys.argv[1])):
+        print(f"TLS server (PID {os.getpid()}) is listening on 0.0.0.0:{sys.argv[1]}")
+        signal.signal(signal.SIGINT, signal_handler)
+        print('Press Ctrl+C')
+        signal.pause()

clervers/http2/README.md

@@ -0,0 +1,9 @@
+## Run server
+```bash
+sudo go build -o /tmp/grpc_server server/main.go && /tmp/grpc_server
+```
+
+## Run client
+```bash
+sudo go build -o ./tmp/grpc_client client/main.go && ./tmp/grpc_client --count 1
+```