From b1d650c6542a8573ecfb204a037df12731272822 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Fri, 4 Aug 2017 18:10:55 +0200 Subject: Update vendor --- .../golang.org/x/sys/unix/syscall_freebsd_test.go | 270 +++++++++++++++++++++ 1 file changed, 270 insertions(+) (limited to 'vendor/golang.org/x/sys/unix/syscall_freebsd_test.go') diff --git a/vendor/golang.org/x/sys/unix/syscall_freebsd_test.go b/vendor/golang.org/x/sys/unix/syscall_freebsd_test.go index 3c3d825..4d57419 100644 --- a/vendor/golang.org/x/sys/unix/syscall_freebsd_test.go +++ b/vendor/golang.org/x/sys/unix/syscall_freebsd_test.go @@ -7,6 +7,13 @@ package unix_test import ( + "flag" + "fmt" + "io/ioutil" + "os" + "os/exec" + "path" + "path/filepath" "testing" "golang.org/x/sys/unix" @@ -18,3 +25,266 @@ func TestSysctlUint64(t *testing.T) { t.Fatal(err) } } + +// FIXME: Infrastructure for launching tests in subprocesses stolen from openbsd_test.go - refactor? +// testCmd generates a proper command that, when executed, runs the test +// corresponding to the given key. + +type testProc struct { + fn func() // should always exit instead of returning + arg func(t *testing.T) string // generate argument for test + cleanup func(arg string) error // for instance, delete coredumps from testing pledge + success bool // whether zero-exit means success or failure +} + +var ( + testProcs = map[string]testProc{} + procName = "" + procArg = "" +) + +const ( + optName = "sys-unix-internal-procname" + optArg = "sys-unix-internal-arg" +) + +func init() { + flag.StringVar(&procName, optName, "", "internal use only") + flag.StringVar(&procArg, optArg, "", "internal use only") + +} + +func testCmd(procName string, procArg string) (*exec.Cmd, error) { + exe, err := filepath.Abs(os.Args[0]) + if err != nil { + return nil, err + } + cmd := exec.Command(exe, "-"+optName+"="+procName, "-"+optArg+"="+procArg) + cmd.Stdout, cmd.Stderr = os.Stdout, os.Stderr + return cmd, nil +} + +// ExitsCorrectly is a comprehensive, one-line-of-use wrapper for testing +// a testProc with a key. +func ExitsCorrectly(t *testing.T, procName string) { + s := testProcs[procName] + arg := "-" + if s.arg != nil { + arg = s.arg(t) + } + c, err := testCmd(procName, arg) + defer func(arg string) { + if err := s.cleanup(arg); err != nil { + t.Fatalf("Failed to run cleanup for %s %s %#v", procName, err, err) + } + }(arg) + if err != nil { + t.Fatalf("Failed to construct command for %s", procName) + } + if (c.Run() == nil) != s.success { + result := "succeed" + if !s.success { + result = "fail" + } + t.Fatalf("Process did not %s when it was supposed to", result) + } +} + +func TestMain(m *testing.M) { + flag.Parse() + if procName != "" { + t := testProcs[procName] + t.fn() + os.Stderr.WriteString("test function did not exit\n") + if t.success { + os.Exit(1) + } else { + os.Exit(0) + } + } + os.Exit(m.Run()) +} + +// end of infrastructure + +const testfile = "gocapmodetest" +const testfile2 = testfile + "2" + +func CapEnterTest() { + _, err := os.OpenFile(path.Join(procArg, testfile), os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) + if err != nil { + panic(fmt.Sprintf("OpenFile: %s", err)) + } + + err = unix.CapEnter() + if err != nil { + panic(fmt.Sprintf("CapEnter: %s", err)) + } + + _, err = os.OpenFile(path.Join(procArg, testfile2), os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) + if err == nil { + panic("OpenFile works!") + } + if err.(*os.PathError).Err != unix.ECAPMODE { + panic(fmt.Sprintf("OpenFile failed wrong: %s %#v", err, err)) + } + os.Exit(0) +} + +func makeTempDir(t *testing.T) string { + d, err := ioutil.TempDir("", "go_openat_test") + if err != nil { + t.Fatalf("TempDir failed: %s", err) + } + return d +} + +func removeTempDir(arg string) error { + err := os.RemoveAll(arg) + if err != nil && err.(*os.PathError).Err == unix.ENOENT { + return nil + } + return err +} + +func init() { + testProcs["cap_enter"] = testProc{ + CapEnterTest, + makeTempDir, + removeTempDir, + true, + } +} + +func TestCapEnter(t *testing.T) { + ExitsCorrectly(t, "cap_enter") +} + +func OpenatTest() { + f, err := os.Open(procArg) + if err != nil { + panic(err) + } + + err = unix.CapEnter() + if err != nil { + panic(fmt.Sprintf("CapEnter: %s", err)) + } + + fxx, err := unix.Openat(int(f.Fd()), "xx", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) + if err != nil { + panic(err) + } + unix.Close(fxx) + + // The right to open BASE/xx is not ambient + _, err = os.OpenFile(procArg+"/xx", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) + if err == nil { + panic("OpenFile succeeded") + } + if err.(*os.PathError).Err != unix.ECAPMODE { + panic(fmt.Sprintf("OpenFile failed wrong: %s %#v", err, err)) + } + + // Can't make a new directory either + err = os.Mkdir(procArg+"2", 0777) + if err == nil { + panic("MKdir succeeded") + } + if err.(*os.PathError).Err != unix.ECAPMODE { + panic(fmt.Sprintf("Mkdir failed wrong: %s %#v", err, err)) + } + + // Remove all caps except read and lookup. + r, err := unix.CapRightsInit([]uint64{unix.CAP_READ, unix.CAP_LOOKUP}) + if err != nil { + panic(fmt.Sprintf("CapRightsInit failed: %s %#v", err, err)) + } + err = unix.CapRightsLimit(f.Fd(), r) + if err != nil { + panic(fmt.Sprintf("CapRightsLimit failed: %s %#v", err, err)) + } + + // Check we can get the rights back again + r, err = unix.CapRightsGet(f.Fd()) + if err != nil { + panic(fmt.Sprintf("CapRightsGet failed: %s %#v", err, err)) + } + b, err := unix.CapRightsIsSet(r, []uint64{unix.CAP_READ, unix.CAP_LOOKUP}) + if err != nil { + panic(fmt.Sprintf("CapRightsIsSet failed: %s %#v", err, err)) + } + if !b { + panic(fmt.Sprintf("Unexpected rights")) + } + b, err = unix.CapRightsIsSet(r, []uint64{unix.CAP_READ, unix.CAP_LOOKUP, unix.CAP_WRITE}) + if err != nil { + panic(fmt.Sprintf("CapRightsIsSet failed: %s %#v", err, err)) + } + if b { + panic(fmt.Sprintf("Unexpected rights (2)")) + } + + // Can no longer create a file + _, err = unix.Openat(int(f.Fd()), "xx2", os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666) + if err == nil { + panic("Openat succeeded") + } + if err != unix.ENOTCAPABLE { + panic(fmt.Sprintf("OpenFileAt failed wrong: %s %#v", err, err)) + } + + // But can read an existing one + _, err = unix.Openat(int(f.Fd()), "xx", os.O_RDONLY, 0666) + if err != nil { + panic(fmt.Sprintf("Openat failed: %s %#v", err, err)) + } + + os.Exit(0) +} + +func init() { + testProcs["openat"] = testProc{ + OpenatTest, + makeTempDir, + removeTempDir, + true, + } +} + +func TestOpenat(t *testing.T) { + ExitsCorrectly(t, "openat") +} + +func TestCapRightsSetAndClear(t *testing.T) { + r, err := unix.CapRightsInit([]uint64{unix.CAP_READ, unix.CAP_WRITE, unix.CAP_PDWAIT}) + if err != nil { + t.Fatalf("CapRightsInit failed: %s", err) + } + + err = unix.CapRightsSet(r, []uint64{unix.CAP_EVENT, unix.CAP_LISTEN}) + if err != nil { + t.Fatalf("CapRightsSet failed: %s", err) + } + + b, err := unix.CapRightsIsSet(r, []uint64{unix.CAP_READ, unix.CAP_WRITE, unix.CAP_PDWAIT, unix.CAP_EVENT, unix.CAP_LISTEN}) + if err != nil { + t.Fatalf("CapRightsIsSet failed: %s", err) + } + if !b { + t.Fatalf("Wrong rights set") + } + + err = unix.CapRightsClear(r, []uint64{unix.CAP_READ, unix.CAP_PDWAIT}) + if err != nil { + t.Fatalf("CapRightsClear failed: %s", err) + } + + b, err = unix.CapRightsIsSet(r, []uint64{unix.CAP_WRITE, unix.CAP_EVENT, unix.CAP_LISTEN}) + if err != nil { + t.Fatalf("CapRightsIsSet failed: %s", err) + } + if !b { + t.Fatalf("Wrong rights set") + } +} -- cgit v1.2.3