test: git proxxy test

.github/workflows/build.yml

@@ -38,6 +38,12 @@ jobs:
       if: matrix.arch == 'amd64'
       run: sudo ./scripts/test_proxy.sh
 
+    - name: Run git proxy tests
+      if: matrix.arch == 'amd64'
+      env:
+        TEST_REMOTE_URL: https://github.com/octocat/Hello-World
+      run: sudo bash ./scripts/test_git.sh
+
     - name: Package artifact
       run: tar -czf gotproxy_${{ matrix.arch }}.tar.gz gotproxy
 

scripts/test_git.sh

@@ -0,0 +1,151 @@
+#!/usr/bin/env bash
+# gotproxy git proxy integration test (HTTPS over TCP)
+# Usage: sudo ./scripts/test_git.sh
+# Requires: built gotproxy, git; root (CAP_BPF).
+
+set -e
+
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"
+GOTPROXY_BIN="${GOTPROXY_BIN:-$REPO_ROOT/gotproxy}"
+PROXY_PORT="${PROXY_PORT:-18001}"
+
+# Pick a public repo that supports anonymous HTTPS.
+TEST_REMOTE_URL="${TEST_REMOTE_URL:-https://github.com/Dream95/gotproxy}"
+
+LOG_FILE=""
+GOTPROXY_PID=""
+PASSED=0
+FAILED=0
+
+info()  { echo "[INFO]  $*"; }
+ok()    { echo "[OK]    $*"; ((PASSED++)) || true; }
+fail()  { echo "[FAIL]  $*"; ((FAILED++)) || true; }
+abort() { echo "[ABORT] $*"; stop_gotproxy 2>/dev/null; exit 1; }
+
+start_gotproxy() {
+  local extra_args=("$@")
+  LOG_FILE=$(mktemp)
+  "$GOTPROXY_BIN" --p-port "$PROXY_PORT" "${extra_args[@]}" >"$LOG_FILE" 2>&1 &
+  GOTPROXY_PID=$!
+  for i in {1..30}; do
+    if grep -q "listening on" "$LOG_FILE" 2>/dev/null; then
+      return 0
+    fi
+    sleep 0.2
+  done
+  abort "gotproxy did not start in time, see $LOG_FILE"
+}
+
+stop_gotproxy() {
+  if [[ -n "$GOTPROXY_PID" ]] && kill -0 "$GOTPROXY_PID" 2>/dev/null; then
+    kill "$GOTPROXY_PID" 2>/dev/null || true
+    wait "$GOTPROXY_PID" 2>/dev/null || true
+  fi
+  GOTPROXY_PID=""
+  [[ -n "$LOG_FILE" && -f "$LOG_FILE" ]] && rm -f "$LOG_FILE"
+  LOG_FILE=""
+}
+
+count_original_dest() {
+  [[ -z "$LOG_FILE" || ! -f "$LOG_FILE" ]] && echo 0 && return
+  local c
+  c=$(grep -c "Original destination:" "$LOG_FILE" 2>/dev/null)
+  echo "${c:-0}"
+}
+
+check_env() {
+  if [[ "$(id -u)" -ne 0 ]]; then
+    abort "Please run as root: sudo $0"
+  fi
+  if [[ ! -x "$GOTPROXY_BIN" ]]; then
+    abort "gotproxy not found or not executable: $GOTPROXY_BIN. Run make build-bpf && make first."
+  fi
+  if ! command -v git &>/dev/null; then
+    abort "git not found. Please install git."
+  fi
+  info "Using gotproxy=$GOTPROXY_BIN, port=$PROXY_PORT"
+  info "Using TEST_REMOTE_URL=$TEST_REMOTE_URL"
+}
+
+git_env() {
+  # Avoid any interactive prompts
+  export GIT_TERMINAL_PROMPT=0
+  export GIT_ASKPASS=true
+}
+
+test_git_ls_remote_proxied() {
+  info "Test: git ls-remote via gotproxy (--cmd git)"
+  start_gotproxy 
+  local n0 n1
+  n0=$(count_original_dest)
+
+  git_env
+  if git ls-remote --heads --tags "$TEST_REMOTE_URL" &>/dev/null; then
+    n1=$(count_original_dest)
+    if [[ "$n1" -gt "$n0" ]]; then
+      ok "git ls-remote succeeded and traffic appears proxied (log increased: $n0 -> $n1)"
+    else
+      fail "git ls-remote succeeded but proxy log did not show forwarding (log: $n0 -> $n1)"
+    fi
+  else
+    local log_snapshot=""
+    [[ -n "$LOG_FILE" && -f "$LOG_FILE" ]] && log_snapshot=$(cat "$LOG_FILE")
+    stop_gotproxy
+    fail "git ls-remote failed (see gotproxy log below)"
+    [[ -n "$log_snapshot" ]] && { info "gotproxy log:"; echo "$log_snapshot"; }
+    return
+  fi
+
+  stop_gotproxy
+}
+
+test_git_clone_proxied() {
+  info "Test: git clone --depth 1 via gotproxy (--cmd git)"
+  start_gotproxy 
+  local n0 n1
+  n0=$(count_original_dest)
+
+  git_env
+  local tmp_dir repo_dir
+  tmp_dir=$(mktemp -d)
+  repo_dir="$tmp_dir/repo"
+  # Ensure cleanup
+  trap 'rm -rf "$tmp_dir"' RETURN
+
+  if git clone --depth 1 "$TEST_REMOTE_URL" "$repo_dir" &>/dev/null; then
+    n1=$(count_original_dest)
+    if [[ -d "$repo_dir/.git" ]] && [[ "$n1" -gt "$n0" ]]; then
+      ok "git clone succeeded and traffic appears proxied (log increased: $n0 -> $n1)"
+    elif [[ -d "$repo_dir/.git" ]]; then
+      fail "git clone succeeded but proxy log did not show forwarding (log: $n0 -> $n1)"
+    else
+      fail "git clone reported success but repo dir looks wrong: $repo_dir"
+    fi
+  else
+    local log_snapshot=""
+    [[ -n "$LOG_FILE" && -f "$LOG_FILE" ]] && log_snapshot=$(cat "$LOG_FILE")
+    stop_gotproxy
+    fail "git clone failed (see gotproxy log below)"
+    [[ -n "$log_snapshot" ]] && { info "gotproxy log:"; echo "$log_snapshot"; }
+    return
+  fi
+
+  stop_gotproxy
+}
+
+main() {
+  check_env
+  echo "=========================================="
+  echo "  gotproxy git tests"
+  echo "=========================================="
+  test_git_ls_remote_proxied
+  test_git_clone_proxied
+  echo "=========================================="
+  echo "  Passed: $PASSED  Failed: $FAILED"
+  echo "=========================================="
+  [[ "$FAILED" -eq 0 ]] && exit 0 || exit 1
+}
+
+trap 'stop_gotproxy; exit 130' INT TERM
+main "$@"