github.com/keybase/client/go@v0.0.0-20241007131713-f10651d043c8/libkb/socket_windows_test.go (about)

     1  // Copyright 2015 Keybase, Inc. All rights reserved. Use of
     2  // this source code is governed by the included BSD license.
     3  
     4  //go:build windows
     5  // +build windows
     6  
     7  package libkb
     8  
     9  import (
    10  	"bufio"
    11  	"errors"
    12  	"fmt"
    13  	"os"
    14  	"os/exec"
    15  	"path/filepath"
    16  	"sync"
    17  	"testing"
    18  	"time"
    19  )
    20  
    21  func setupTest(t *testing.T, nm string) *TestContext {
    22  	tc := SetupTest(t, nm, 1)
    23  	tc.SetRuntimeDir(filepath.Join(tc.Tp.Home, "socket_windows_test"))
    24  	if err := tc.G.ConfigureSocketInfo(); err != nil {
    25  		t.Fatal(err)
    26  	}
    27  	return &tc
    28  }
    29  
    30  // It would be better to test across process boundaries, but this is better
    31  // than nothing: across gofuncs. We start a server func, then send it a string,
    32  // then synchronize with the server func.
    33  //
    34  // Another property of named pipes that is NOT tested here is security:
    35  // only processes in the same user account are supposed to be able to
    36  // open each other's named pipes.
    37  func TestWindowsNamedPipe(t *testing.T) {
    38  	tc := setupTest(t, "socket_windows_test")
    39  	defer tc.Cleanup()
    40  
    41  	listenSocket, err := NewSocket(tc.G)
    42  	if err != nil {
    43  		t.Fatal(err)
    44  	}
    45  
    46  	l, err := listenSocket.BindToSocket()
    47  	if err != nil {
    48  		t.Fatal(err)
    49  	}
    50  
    51  	// Do the server listening in a separate gofunc, which we synchronize
    52  	// with later after it has gotten a string
    53  	var wg sync.WaitGroup
    54  	wg.Add(1)
    55  	go func() {
    56  		defer wg.Done()
    57  		conn, err := l.Accept()
    58  		if err != nil {
    59  			t.Fatal(err)
    60  		}
    61  		answer, err := bufio.NewReader(conn).ReadString('\n')
    62  		if err != nil {
    63  			t.Fatal(err)
    64  		}
    65  		if answer != "Hi server!\n" {
    66  			t.Fatalf("Bad response over pipe: -%s-", answer)
    67  		}
    68  	}()
    69  
    70  	sendSocket, err := NewSocket(tc.G)
    71  	namedPipeClient(sendSocket, t)
    72  	wg.Wait()
    73  }
    74  
    75  // Dial the server over the pipe and send a string
    76  func namedPipeClient(sendSocket Socket, t *testing.T) {
    77  	conn, err := sendSocket.DialSocket()
    78  	if err != nil {
    79  		t.Fatal(err)
    80  	}
    81  	if _, err := fmt.Fprintln(conn, "Hi server!"); err != nil {
    82  		t.Fatal(err)
    83  	}
    84  }
    85  
    86  func TestWindowsPipeOwner(t *testing.T) {
    87  
    88  	if os.Getenv("JENKINS_URL") != "" {
    89  		t.Skip("Skipping pipeowner test - doesn't work on CI, works locally")
    90  	}
    91  
    92  	tc := setupTest(t, "socket_windows_test")
    93  	defer tc.Cleanup()
    94  
    95  	testPipeName := "\\\\.\\pipe\\kbservice\\test_pipe"
    96  	serverCmd := exec.Command("go", "run", "testfixtures\\kb_pipetest_server\\main.go", testPipeName)
    97  	err := serverCmd.Start()
    98  	if err != nil {
    99  		t.Fatal(err)
   100  	}
   101  	defer serverCmd.Process.Kill()
   102  
   103  	for i := 0; i < 20; i++ {
   104  		// Give the server time to open the pipe
   105  		time.Sleep(500 * time.Millisecond)
   106  
   107  		// Test existing pipe
   108  		owner, err := IsPipeowner(tc.G.Log, testPipeName)
   109  		if err != nil {
   110  			if i < 19 {
   111  				continue
   112  			}
   113  			t.Fatal(err)
   114  		}
   115  		if !owner.IsOwner {
   116  			t.Fatal(errors.New("Expected true getting owner of test pipe"))
   117  		}
   118  	}
   119  
   120  	// Test nonexisting
   121  	owner, err := IsPipeowner(tc.G.Log, testPipeName+"_nonexistent")
   122  	if err == nil {
   123  		t.Fatal(errors.New("Expected error getting owner of nonexistent pipe"))
   124  	}
   125  	if owner.IsOwner {
   126  		t.Fatal(errors.New("Expected false getting owner of nonexistent pipe"))
   127  	}
   128  }