diff options
Diffstat (limited to 'src/internal/syscall/windows')
| -rw-r--r-- | src/internal/syscall/windows/exec_windows_test.go | 139 | ||||
| -rw-r--r-- | src/internal/syscall/windows/mksyscall.go | 9 | ||||
| -rw-r--r-- | src/internal/syscall/windows/psapi_windows.go | 20 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/export_test.go | 11 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/key.go | 160 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/mksyscall.go | 9 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/registry_test.go | 672 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/syscall.go | 31 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/value.go | 372 | ||||
| -rw-r--r-- | src/internal/syscall/windows/registry/zsyscall_windows.go | 107 | ||||
| -rw-r--r-- | src/internal/syscall/windows/reparse_windows.go | 90 | ||||
| -rw-r--r-- | src/internal/syscall/windows/security_windows.go | 128 | ||||
| -rw-r--r-- | src/internal/syscall/windows/symlink_windows.go | 39 | ||||
| -rw-r--r-- | src/internal/syscall/windows/syscall_windows.go | 346 | ||||
| -rw-r--r-- | src/internal/syscall/windows/sysdll/sysdll.go | 30 | ||||
| -rw-r--r-- | src/internal/syscall/windows/zsyscall_windows.go | 327 |
16 files changed, 2490 insertions, 0 deletions
diff --git a/src/internal/syscall/windows/exec_windows_test.go b/src/internal/syscall/windows/exec_windows_test.go new file mode 100644 index 0000000..283d7ce --- /dev/null +++ b/src/internal/syscall/windows/exec_windows_test.go @@ -0,0 +1,139 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +package windows_test + +import ( + "fmt" + "internal/syscall/windows" + "os" + "os/exec" + "syscall" + "testing" + "unsafe" +) + +func TestRunAtLowIntegrity(t *testing.T) { + if os.Getenv("GO_WANT_HELPER_PROCESS") == "1" { + wil, err := getProcessIntegrityLevel() + if err != nil { + fmt.Fprintf(os.Stderr, "error: %s\n", err.Error()) + os.Exit(9) + return + } + fmt.Printf("%s", wil) + os.Exit(0) + return + } + + cmd := exec.Command(os.Args[0], "-test.run=TestRunAtLowIntegrity", "--") + cmd.Env = []string{"GO_WANT_HELPER_PROCESS=1"} + + token, err := getIntegrityLevelToken(sidWilLow) + if err != nil { + t.Fatal(err) + } + defer token.Close() + + cmd.SysProcAttr = &syscall.SysProcAttr{ + Token: token, + } + + out, err := cmd.CombinedOutput() + if err != nil { + t.Fatal(err) + } + + if string(out) != sidWilLow { + t.Fatalf("Child process did not run as low integrity level: %s", string(out)) + } +} + +const ( + sidWilLow = `S-1-16-4096` +) + +func getProcessIntegrityLevel() (string, error) { + procToken, err := syscall.OpenCurrentProcessToken() + if err != nil { + return "", err + } + defer procToken.Close() + + p, err := tokenGetInfo(procToken, syscall.TokenIntegrityLevel, 64) + if err != nil { + return "", err + } + + tml := (*windows.TOKEN_MANDATORY_LABEL)(p) + + sid := (*syscall.SID)(unsafe.Pointer(tml.Label.Sid)) + + return sid.String() +} + +func tokenGetInfo(t syscall.Token, class uint32, initSize int) (unsafe.Pointer, error) { + n := uint32(initSize) + for { + b := make([]byte, n) + e := syscall.GetTokenInformation(t, class, &b[0], uint32(len(b)), &n) + if e == nil { + return unsafe.Pointer(&b[0]), nil + } + if e != syscall.ERROR_INSUFFICIENT_BUFFER { + return nil, e + } + if n <= uint32(len(b)) { + return nil, e + } + } +} + +func getIntegrityLevelToken(wns string) (syscall.Token, error) { + var procToken, token syscall.Token + + proc, err := syscall.GetCurrentProcess() + if err != nil { + return 0, err + } + defer syscall.CloseHandle(proc) + + err = syscall.OpenProcessToken(proc, + syscall.TOKEN_DUPLICATE| + syscall.TOKEN_ADJUST_DEFAULT| + syscall.TOKEN_QUERY| + syscall.TOKEN_ASSIGN_PRIMARY, + &procToken) + if err != nil { + return 0, err + } + defer procToken.Close() + + sid, err := syscall.StringToSid(wns) + if err != nil { + return 0, err + } + + tml := &windows.TOKEN_MANDATORY_LABEL{} + tml.Label.Attributes = windows.SE_GROUP_INTEGRITY + tml.Label.Sid = sid + + err = windows.DuplicateTokenEx(procToken, 0, nil, windows.SecurityImpersonation, + windows.TokenPrimary, &token) + if err != nil { + return 0, err + } + + err = windows.SetTokenInformation(token, + syscall.TokenIntegrityLevel, + uintptr(unsafe.Pointer(tml)), + tml.Size()) + if err != nil { + token.Close() + return 0, err + } + return token, nil +} diff --git a/src/internal/syscall/windows/mksyscall.go b/src/internal/syscall/windows/mksyscall.go new file mode 100644 index 0000000..599f076 --- /dev/null +++ b/src/internal/syscall/windows/mksyscall.go @@ -0,0 +1,9 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build generate + +package windows + +//go:generate go run ../../../syscall/mksyscall_windows.go -output zsyscall_windows.go syscall_windows.go security_windows.go psapi_windows.go symlink_windows.go diff --git a/src/internal/syscall/windows/psapi_windows.go b/src/internal/syscall/windows/psapi_windows.go new file mode 100644 index 0000000..b138e65 --- /dev/null +++ b/src/internal/syscall/windows/psapi_windows.go @@ -0,0 +1,20 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package windows + +type PROCESS_MEMORY_COUNTERS struct { + CB uint32 + PageFaultCount uint32 + PeakWorkingSetSize uintptr + WorkingSetSize uintptr + QuotaPeakPagedPoolUsage uintptr + QuotaPagedPoolUsage uintptr + QuotaPeakNonPagedPoolUsage uintptr + QuotaNonPagedPoolUsage uintptr + PagefileUsage uintptr + PeakPagefileUsage uintptr +} + +//sys GetProcessMemoryInfo(handle syscall.Handle, memCounters *PROCESS_MEMORY_COUNTERS, cb uint32) (err error) = psapi.GetProcessMemoryInfo diff --git a/src/internal/syscall/windows/registry/export_test.go b/src/internal/syscall/windows/registry/export_test.go new file mode 100644 index 0000000..8badf6f --- /dev/null +++ b/src/internal/syscall/windows/registry/export_test.go @@ -0,0 +1,11 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +package registry + +func (k Key) SetValue(name string, valtype uint32, data []byte) error { + return k.setValue(name, valtype, data) +} diff --git a/src/internal/syscall/windows/registry/key.go b/src/internal/syscall/windows/registry/key.go new file mode 100644 index 0000000..612c48f --- /dev/null +++ b/src/internal/syscall/windows/registry/key.go @@ -0,0 +1,160 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +// Package registry provides access to the Windows registry. +// +// Here is a simple example, opening a registry key and reading a string value from it. +// +// k, err := registry.OpenKey(registry.LOCAL_MACHINE, `SOFTWARE\Microsoft\Windows NT\CurrentVersion`, registry.QUERY_VALUE) +// if err != nil { +// log.Fatal(err) +// } +// defer k.Close() +// +// s, _, err := k.GetStringValue("SystemRoot") +// if err != nil { +// log.Fatal(err) +// } +// fmt.Printf("Windows system root is %q\n", s) +// +// NOTE: This package is a copy of golang.org/x/sys/windows/registry +// with KeyInfo.ModTime removed to prevent dependency cycles. +// +package registry + +import "syscall" + +const ( + // Registry key security and access rights. + // See https://msdn.microsoft.com/en-us/library/windows/desktop/ms724878.aspx + // for details. + ALL_ACCESS = 0xf003f + CREATE_LINK = 0x00020 + CREATE_SUB_KEY = 0x00004 + ENUMERATE_SUB_KEYS = 0x00008 + EXECUTE = 0x20019 + NOTIFY = 0x00010 + QUERY_VALUE = 0x00001 + READ = 0x20019 + SET_VALUE = 0x00002 + WOW64_32KEY = 0x00200 + WOW64_64KEY = 0x00100 + WRITE = 0x20006 +) + +// Key is a handle to an open Windows registry key. +// Keys can be obtained by calling OpenKey; there are +// also some predefined root keys such as CURRENT_USER. +// Keys can be used directly in the Windows API. +type Key syscall.Handle + +const ( + // Windows defines some predefined root keys that are always open. + // An application can use these keys as entry points to the registry. + // Normally these keys are used in OpenKey to open new keys, + // but they can also be used anywhere a Key is required. + CLASSES_ROOT = Key(syscall.HKEY_CLASSES_ROOT) + CURRENT_USER = Key(syscall.HKEY_CURRENT_USER) + LOCAL_MACHINE = Key(syscall.HKEY_LOCAL_MACHINE) + USERS = Key(syscall.HKEY_USERS) + CURRENT_CONFIG = Key(syscall.HKEY_CURRENT_CONFIG) +) + +// Close closes open key k. +func (k Key) Close() error { + return syscall.RegCloseKey(syscall.Handle(k)) +} + +// OpenKey opens a new key with path name relative to key k. +// It accepts any open key, including CURRENT_USER and others, +// and returns the new key and an error. +// The access parameter specifies desired access rights to the +// key to be opened. +func OpenKey(k Key, path string, access uint32) (Key, error) { + p, err := syscall.UTF16PtrFromString(path) + if err != nil { + return 0, err + } + var subkey syscall.Handle + err = syscall.RegOpenKeyEx(syscall.Handle(k), p, 0, access, &subkey) + if err != nil { + return 0, err + } + return Key(subkey), nil +} + +// ReadSubKeyNames returns the names of subkeys of key k. +func (k Key) ReadSubKeyNames() ([]string, error) { + names := make([]string, 0) + // Registry key size limit is 255 bytes and described there: + // https://msdn.microsoft.com/library/windows/desktop/ms724872.aspx + buf := make([]uint16, 256) //plus extra room for terminating zero byte +loopItems: + for i := uint32(0); ; i++ { + l := uint32(len(buf)) + for { + err := syscall.RegEnumKeyEx(syscall.Handle(k), i, &buf[0], &l, nil, nil, nil, nil) + if err == nil { + break + } + if err == syscall.ERROR_MORE_DATA { + // Double buffer size and try again. + l = uint32(2 * len(buf)) + buf = make([]uint16, l) + continue + } + if err == _ERROR_NO_MORE_ITEMS { + break loopItems + } + return names, err + } + names = append(names, syscall.UTF16ToString(buf[:l])) + } + return names, nil +} + +// CreateKey creates a key named path under open key k. +// CreateKey returns the new key and a boolean flag that reports +// whether the key already existed. +// The access parameter specifies the access rights for the key +// to be created. +func CreateKey(k Key, path string, access uint32) (newk Key, openedExisting bool, err error) { + var h syscall.Handle + var d uint32 + err = regCreateKeyEx(syscall.Handle(k), syscall.StringToUTF16Ptr(path), + 0, nil, _REG_OPTION_NON_VOLATILE, access, nil, &h, &d) + if err != nil { + return 0, false, err + } + return Key(h), d == _REG_OPENED_EXISTING_KEY, nil +} + +// DeleteKey deletes the subkey path of key k and its values. +func DeleteKey(k Key, path string) error { + return regDeleteKey(syscall.Handle(k), syscall.StringToUTF16Ptr(path)) +} + +// A KeyInfo describes the statistics of a key. It is returned by Stat. +type KeyInfo struct { + SubKeyCount uint32 + MaxSubKeyLen uint32 // size of the key's subkey with the longest name, in Unicode characters, not including the terminating zero byte + ValueCount uint32 + MaxValueNameLen uint32 // size of the key's longest value name, in Unicode characters, not including the terminating zero byte + MaxValueLen uint32 // longest data component among the key's values, in bytes + lastWriteTime syscall.Filetime +} + +// Stat retrieves information about the open key k. +func (k Key) Stat() (*KeyInfo, error) { + var ki KeyInfo + err := syscall.RegQueryInfoKey(syscall.Handle(k), nil, nil, nil, + &ki.SubKeyCount, &ki.MaxSubKeyLen, nil, &ki.ValueCount, + &ki.MaxValueNameLen, &ki.MaxValueLen, nil, &ki.lastWriteTime) + if err != nil { + return nil, err + } + return &ki, nil +} diff --git a/src/internal/syscall/windows/registry/mksyscall.go b/src/internal/syscall/windows/registry/mksyscall.go new file mode 100644 index 0000000..320abf7 --- /dev/null +++ b/src/internal/syscall/windows/registry/mksyscall.go @@ -0,0 +1,9 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build generate + +package registry + +//go:generate go run ../../../../syscall/mksyscall_windows.go -output zsyscall_windows.go syscall.go diff --git a/src/internal/syscall/windows/registry/registry_test.go b/src/internal/syscall/windows/registry/registry_test.go new file mode 100644 index 0000000..5797162 --- /dev/null +++ b/src/internal/syscall/windows/registry/registry_test.go @@ -0,0 +1,672 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +package registry_test + +import ( + "bytes" + "crypto/rand" + "os" + "syscall" + "testing" + "unsafe" + + "internal/syscall/windows/registry" +) + +func randKeyName(prefix string) string { + const numbers = "0123456789" + buf := make([]byte, 10) + rand.Read(buf) + for i, b := range buf { + buf[i] = numbers[b%byte(len(numbers))] + } + return prefix + string(buf) +} + +func TestReadSubKeyNames(t *testing.T) { + k, err := registry.OpenKey(registry.CLASSES_ROOT, "TypeLib", registry.ENUMERATE_SUB_KEYS) + if err != nil { + t.Fatal(err) + } + defer k.Close() + + names, err := k.ReadSubKeyNames() + if err != nil { + t.Fatal(err) + } + var foundStdOle bool + for _, name := range names { + // Every PC has "stdole 2.0 OLE Automation" library installed. + if name == "{00020430-0000-0000-C000-000000000046}" { + foundStdOle = true + } + } + if !foundStdOle { + t.Fatal("could not find stdole 2.0 OLE Automation") + } +} + +func TestCreateOpenDeleteKey(t *testing.T) { + k, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) + if err != nil { + t.Fatal(err) + } + defer k.Close() + + testKName := randKeyName("TestCreateOpenDeleteKey_") + + testK, exist, err := registry.CreateKey(k, testKName, registry.CREATE_SUB_KEY) + if err != nil { + t.Fatal(err) + } + defer testK.Close() + + if exist { + t.Fatalf("key %q already exists", testKName) + } + + testKAgain, exist, err := registry.CreateKey(k, testKName, registry.CREATE_SUB_KEY) + if err != nil { + t.Fatal(err) + } + defer testKAgain.Close() + + if !exist { + t.Fatalf("key %q should already exist", testKName) + } + + testKOpened, err := registry.OpenKey(k, testKName, registry.ENUMERATE_SUB_KEYS) + if err != nil { + t.Fatal(err) + } + defer testKOpened.Close() + + err = registry.DeleteKey(k, testKName) + if err != nil { + t.Fatal(err) + } + + testKOpenedAgain, err := registry.OpenKey(k, testKName, registry.ENUMERATE_SUB_KEYS) + if err == nil { + defer testKOpenedAgain.Close() + t.Fatalf("key %q should already been deleted", testKName) + } + if err != registry.ErrNotExist { + t.Fatalf(`unexpected error ("not exist" expected): %v`, err) + } +} + +func equalStringSlice(a, b []string) bool { + if len(a) != len(b) { + return false + } + if a == nil { + return true + } + for i := range a { + if a[i] != b[i] { + return false + } + } + return true +} + +type ValueTest struct { + Type uint32 + Name string + Value interface{} + WillFail bool +} + +var ValueTests = []ValueTest{ + {Type: registry.SZ, Name: "String1", Value: ""}, + {Type: registry.SZ, Name: "String2", Value: "\000", WillFail: true}, + {Type: registry.SZ, Name: "String3", Value: "Hello World"}, + {Type: registry.SZ, Name: "String4", Value: "Hello World\000", WillFail: true}, + {Type: registry.EXPAND_SZ, Name: "ExpString1", Value: ""}, + {Type: registry.EXPAND_SZ, Name: "ExpString2", Value: "\000", WillFail: true}, + {Type: registry.EXPAND_SZ, Name: "ExpString3", Value: "Hello World"}, + {Type: registry.EXPAND_SZ, Name: "ExpString4", Value: "Hello\000World", WillFail: true}, + {Type: registry.EXPAND_SZ, Name: "ExpString5", Value: "%PATH%"}, + {Type: registry.EXPAND_SZ, Name: "ExpString6", Value: "%NO_SUCH_VARIABLE%"}, + {Type: registry.EXPAND_SZ, Name: "ExpString7", Value: "%PATH%;."}, + {Type: registry.BINARY, Name: "Binary1", Value: []byte{}}, + {Type: registry.BINARY, Name: "Binary2", Value: []byte{1, 2, 3}}, + {Type: registry.BINARY, Name: "Binary3", Value: []byte{3, 2, 1, 0, 1, 2, 3}}, + {Type: registry.DWORD, Name: "Dword1", Value: uint64(0)}, + {Type: registry.DWORD, Name: "Dword2", Value: uint64(1)}, + {Type: registry.DWORD, Name: "Dword3", Value: uint64(0xff)}, + {Type: registry.DWORD, Name: "Dword4", Value: uint64(0xffff)}, + {Type: registry.QWORD, Name: "Qword1", Value: uint64(0)}, + {Type: registry.QWORD, Name: "Qword2", Value: uint64(1)}, + {Type: registry.QWORD, Name: "Qword3", Value: uint64(0xff)}, + {Type: registry.QWORD, Name: "Qword4", Value: uint64(0xffff)}, + {Type: registry.QWORD, Name: "Qword5", Value: uint64(0xffffff)}, + {Type: registry.QWORD, Name: "Qword6", Value: uint64(0xffffffff)}, + {Type: registry.MULTI_SZ, Name: "MultiString1", Value: []string{"a", "b", "c"}}, + {Type: registry.MULTI_SZ, Name: "MultiString2", Value: []string{"abc", "", "cba"}}, + {Type: registry.MULTI_SZ, Name: "MultiString3", Value: []string{""}}, + {Type: registry.MULTI_SZ, Name: "MultiString4", Value: []string{"abcdef"}}, + {Type: registry.MULTI_SZ, Name: "MultiString5", Value: []string{"\000"}, WillFail: true}, + {Type: registry.MULTI_SZ, Name: "MultiString6", Value: []string{"a\000b"}, WillFail: true}, + {Type: registry.MULTI_SZ, Name: "MultiString7", Value: []string{"ab", "\000", "cd"}, WillFail: true}, + {Type: registry.MULTI_SZ, Name: "MultiString8", Value: []string{"\000", "cd"}, WillFail: true}, + {Type: registry.MULTI_SZ, Name: "MultiString9", Value: []string{"ab", "\000"}, WillFail: true}, +} + +func setValues(t *testing.T, k registry.Key) { + for _, test := range ValueTests { + var err error + switch test.Type { + case registry.SZ: + err = k.SetStringValue(test.Name, test.Value.(string)) + case registry.EXPAND_SZ: + err = k.SetExpandStringValue(test.Name, test.Value.(string)) + case registry.MULTI_SZ: + err = k.SetStringsValue(test.Name, test.Value.([]string)) + case registry.BINARY: + err = k.SetBinaryValue(test.Name, test.Value.([]byte)) + case registry.DWORD: + err = k.SetDWordValue(test.Name, uint32(test.Value.(uint64))) + case registry.QWORD: + err = k.SetQWordValue(test.Name, test.Value.(uint64)) + default: + t.Fatalf("unsupported type %d for %s value", test.Type, test.Name) + } + if test.WillFail { + if err == nil { + t.Fatalf("setting %s value %q should fail, but succeeded", test.Name, test.Value) + } + } else { + if err != nil { + t.Fatal(err) + } + } + } +} + +func enumerateValues(t *testing.T, k registry.Key) { + names, err := k.ReadValueNames() + if err != nil { + t.Error(err) + return + } + haveNames := make(map[string]bool) + for _, n := range names { + haveNames[n] = false + } + for _, test := range ValueTests { + wantFound := !test.WillFail + _, haveFound := haveNames[test.Name] + if wantFound && !haveFound { + t.Errorf("value %s is not found while enumerating", test.Name) + } + if haveFound && !wantFound { + t.Errorf("value %s is found while enumerating, but expected to fail", test.Name) + } + if haveFound { + delete(haveNames, test.Name) + } + } + for n, v := range haveNames { + t.Errorf("value %s (%v) is found while enumerating, but has not been created", n, v) + } +} + +func testErrNotExist(t *testing.T, name string, err error) { + if err == nil { + t.Errorf("%s value should not exist", name) + return + } + if err != registry.ErrNotExist { + t.Errorf("reading %s value should return 'not exist' error, but got: %s", name, err) + return + } +} + +func testErrUnexpectedType(t *testing.T, test ValueTest, gottype uint32, err error) { + if err == nil { + t.Errorf("GetXValue(%q) should not succeed", test.Name) + return + } + if err != registry.ErrUnexpectedType { + t.Errorf("reading %s value should return 'unexpected key value type' error, but got: %s", test.Name, err) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } +} + +func testGetStringValue(t *testing.T, k registry.Key, test ValueTest) { + got, gottype, err := k.GetStringValue(test.Name) + if err != nil { + t.Errorf("GetStringValue(%s) failed: %v", test.Name, err) + return + } + if got != test.Value { + t.Errorf("want %s value %q, got %q", test.Name, test.Value, got) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } + if gottype == registry.EXPAND_SZ { + _, err = registry.ExpandString(got) + if err != nil { + t.Errorf("ExpandString(%s) failed: %v", got, err) + return + } + } +} + +func testGetIntegerValue(t *testing.T, k registry.Key, test ValueTest) { + got, gottype, err := k.GetIntegerValue(test.Name) + if err != nil { + t.Errorf("GetIntegerValue(%s) failed: %v", test.Name, err) + return + } + if got != test.Value.(uint64) { + t.Errorf("want %s value %v, got %v", test.Name, test.Value, got) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } +} + +func testGetBinaryValue(t *testing.T, k registry.Key, test ValueTest) { + got, gottype, err := k.GetBinaryValue(test.Name) + if err != nil { + t.Errorf("GetBinaryValue(%s) failed: %v", test.Name, err) + return + } + if !bytes.Equal(got, test.Value.([]byte)) { + t.Errorf("want %s value %v, got %v", test.Name, test.Value, got) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } +} + +func testGetStringsValue(t *testing.T, k registry.Key, test ValueTest) { + got, gottype, err := k.GetStringsValue(test.Name) + if err != nil { + t.Errorf("GetStringsValue(%s) failed: %v", test.Name, err) + return + } + if !equalStringSlice(got, test.Value.([]string)) { + t.Errorf("want %s value %#v, got %#v", test.Name, test.Value, got) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } +} + +func testGetValue(t *testing.T, k registry.Key, test ValueTest, size int) { + if size <= 0 { + return + } + // read data with no buffer + gotsize, gottype, err := k.GetValue(test.Name, nil) + if err != nil { + t.Errorf("GetValue(%s, [%d]byte) failed: %v", test.Name, size, err) + return + } + if gotsize != size { + t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } + // read data with short buffer + gotsize, gottype, err = k.GetValue(test.Name, make([]byte, size-1)) + if err == nil { + t.Errorf("GetValue(%s, [%d]byte) should fail, but succeeded", test.Name, size-1) + return + } + if err != registry.ErrShortBuffer { + t.Errorf("reading %s value should return 'short buffer' error, but got: %s", test.Name, err) + return + } + if gotsize != size { + t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } + // read full data + gotsize, gottype, err = k.GetValue(test.Name, make([]byte, size)) + if err != nil { + t.Errorf("GetValue(%s, [%d]byte) failed: %v", test.Name, size, err) + return + } + if gotsize != size { + t.Errorf("want %s value size of %d, got %v", test.Name, size, gotsize) + return + } + if gottype != test.Type { + t.Errorf("want %s value type %v, got %v", test.Name, test.Type, gottype) + return + } + // check GetValue returns ErrNotExist as required + _, _, err = k.GetValue(test.Name+"_not_there", make([]byte, size)) + if err == nil { + t.Errorf("GetValue(%q) should not succeed", test.Name) + return + } + if err != registry.ErrNotExist { + t.Errorf("GetValue(%q) should return 'not exist' error, but got: %s", test.Name, err) + return + } +} + +func testValues(t *testing.T, k registry.Key) { + for _, test := range ValueTests { + switch test.Type { + case registry.SZ, registry.EXPAND_SZ: + if test.WillFail { + _, _, err := k.GetStringValue(test.Name) + testErrNotExist(t, test.Name, err) + } else { + testGetStringValue(t, k, test) + _, gottype, err := k.GetIntegerValue(test.Name) + testErrUnexpectedType(t, test, gottype, err) + // Size of utf16 string in bytes is not perfect, + // but correct for current test values. + // Size also includes terminating 0. + testGetValue(t, k, test, (len(test.Value.(string))+1)*2) + } + _, _, err := k.GetStringValue(test.Name + "_string_not_created") + testErrNotExist(t, test.Name+"_string_not_created", err) + case registry.DWORD, registry.QWORD: + testGetIntegerValue(t, k, test) + _, gottype, err := k.GetBinaryValue(test.Name) + testErrUnexpectedType(t, test, gottype, err) + _, _, err = k.GetIntegerValue(test.Name + "_int_not_created") + testErrNotExist(t, test.Name+"_int_not_created", err) + size := 8 + if test.Type == registry.DWORD { + size = 4 + } + testGetValue(t, k, test, size) + case registry.BINARY: + testGetBinaryValue(t, k, test) + _, gottype, err := k.GetStringsValue(test.Name) + testErrUnexpectedType(t, test, gottype, err) + _, _, err = k.GetBinaryValue(test.Name + "_byte_not_created") + testErrNotExist(t, test.Name+"_byte_not_created", err) + testGetValue(t, k, test, len(test.Value.([]byte))) + case registry.MULTI_SZ: + if test.WillFail { + _, _, err := k.GetStringsValue(test.Name) + testErrNotExist(t, test.Name, err) + } else { + testGetStringsValue(t, k, test) + _, gottype, err := k.GetStringValue(test.Name) + testErrUnexpectedType(t, test, gottype, err) + size := 0 + for _, s := range test.Value.([]string) { + size += len(s) + 1 // nil terminated + } + size += 1 // extra nil at the end + size *= 2 // count bytes, not uint16 + testGetValue(t, k, test, size) + } + _, _, err := k.GetStringsValue(test.Name + "_strings_not_created") + testErrNotExist(t, test.Name+"_strings_not_created", err) + default: + t.Errorf("unsupported type %d for %s value", test.Type, test.Name) + continue + } + } +} + +func testStat(t *testing.T, k registry.Key) { + subk, _, err := registry.CreateKey(k, "subkey", registry.CREATE_SUB_KEY) + if err != nil { + t.Error(err) + return + } + defer subk.Close() + + defer registry.DeleteKey(k, "subkey") + + ki, err := k.Stat() + if err != nil { + t.Error(err) + return + } + if ki.SubKeyCount != 1 { + t.Error("key must have 1 subkey") + } + if ki.MaxSubKeyLen != 6 { + t.Error("key max subkey name length must be 6") + } + if ki.ValueCount != 24 { + t.Errorf("key must have 24 values, but is %d", ki.ValueCount) + } + if ki.MaxValueNameLen != 12 { + t.Errorf("key max value name length must be 10, but is %d", ki.MaxValueNameLen) + } + if ki.MaxValueLen != 38 { + t.Errorf("key max value length must be 38, but is %d", ki.MaxValueLen) + } +} + +func deleteValues(t *testing.T, k registry.Key) { + for _, test := range ValueTests { + if test.WillFail { + continue + } + err := k.DeleteValue(test.Name) + if err != nil { + t.Error(err) + continue + } + } + names, err := k.ReadValueNames() + if err != nil { + t.Error(err) + return + } + if len(names) != 0 { + t.Errorf("some values remain after deletion: %v", names) + } +} + +func TestValues(t *testing.T) { + softwareK, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) + if err != nil { + t.Fatal(err) + } + defer softwareK.Close() + + testKName := randKeyName("TestValues_") + + k, exist, err := registry.CreateKey(softwareK, testKName, registry.CREATE_SUB_KEY|registry.QUERY_VALUE|registry.SET_VALUE) + if err != nil { + t.Fatal(err) + } + defer k.Close() + + if exist { + t.Fatalf("key %q already exists", testKName) + } + + defer registry.DeleteKey(softwareK, testKName) + + setValues(t, k) + + enumerateValues(t, k) + + testValues(t, k) + + testStat(t, k) + + deleteValues(t, k) +} + +func TestExpandString(t *testing.T) { + got, err := registry.ExpandString("%PATH%") + if err != nil { + t.Fatal(err) + } + want := os.Getenv("PATH") + if got != want { + t.Errorf("want %q string expanded, got %q", want, got) + } +} + +func TestInvalidValues(t *testing.T) { + softwareK, err := registry.OpenKey(registry.CURRENT_USER, "Software", registry.QUERY_VALUE) + if err != nil { + t.Fatal(err) + } + defer softwareK.Close() + + testKName := randKeyName("TestInvalidValues_") + + k, exist, err := registry.CreateKey(softwareK, testKName, registry.CREATE_SUB_KEY|registry.QUERY_VALUE|registry.SET_VALUE) + if err != nil { + t.Fatal(err) + } + defer k.Close() + + if exist { + t.Fatalf("key %q already exists", testKName) + } + + defer registry.DeleteKey(softwareK, testKName) + + var tests = []struct { + Type uint32 + Name string + Data []byte + }{ + {registry.DWORD, "Dword1", nil}, + {registry.DWORD, "Dword2", []byte{1, 2, 3}}, + {registry.QWORD, "Qword1", nil}, + {registry.QWORD, "Qword2", []byte{1, 2, 3}}, + {registry.QWORD, "Qword3", []byte{1, 2, 3, 4, 5, 6, 7}}, + {registry.MULTI_SZ, "MultiString1", nil}, + {registry.MULTI_SZ, "MultiString2", []byte{0}}, + {registry.MULTI_SZ, "MultiString3", []byte{'a', 'b', 0}}, + {registry.MULTI_SZ, "MultiString4", []byte{'a', 0, 0, 'b', 0}}, + {registry.MULTI_SZ, "MultiString5", []byte{'a', 0, 0}}, + } + + for _, test := range tests { + err := k.SetValue(test.Name, test.Type, test.Data) + if err != nil { + t.Fatalf("SetValue for %q failed: %v", test.Name, err) + } + } + + for _, test := range tests { + switch test.Type { + case registry.DWORD, registry.QWORD: + value, valType, err := k.GetIntegerValue(test.Name) + if err == nil { + t.Errorf("GetIntegerValue(%q) succeeded. Returns type=%d value=%v", test.Name, valType, value) + } + case registry.MULTI_SZ: + value, valType, err := k.GetStringsValue(test.Name) + if err == nil { + if len(value) != 0 { + t.Errorf("GetStringsValue(%q) succeeded. Returns type=%d value=%v", test.Name, valType, value) + } + } + default: + t.Errorf("unsupported type %d for %s value", test.Type, test.Name) + } + } +} + +func TestGetMUIStringValue(t *testing.T) { + if err := registry.LoadRegLoadMUIString(); err != nil { + t.Skip("regLoadMUIString not supported; skipping") + } + if err := procGetDynamicTimeZoneInformation.Find(); err != nil { + t.Skipf("%s not supported; skipping", procGetDynamicTimeZoneInformation.Name) + } + var dtzi DynamicTimezoneinformation + if _, err := GetDynamicTimeZoneInformation(&dtzi); err != nil { + t.Fatal(err) + } + tzKeyName := syscall.UTF16ToString(dtzi.TimeZoneKeyName[:]) + timezoneK, err := registry.OpenKey(registry.LOCAL_MACHINE, + `SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones\`+tzKeyName, registry.READ) + if err != nil { + t.Fatal(err) + } + defer timezoneK.Close() + + type testType struct { + name string + want string + } + var tests = []testType{ + {"MUI_Std", syscall.UTF16ToString(dtzi.StandardName[:])}, + } + if dtzi.DynamicDaylightTimeDisabled == 0 { + tests = append(tests, testType{"MUI_Dlt", syscall.UTF16ToString(dtzi.DaylightName[:])}) + } + + for _, test := range tests { + got, err := timezoneK.GetMUIStringValue(test.name) + if err != nil { + t.Error("GetMUIStringValue:", err) + } + + if got != test.want { + t.Errorf("GetMUIStringValue: %s: Got %q, want %q", test.name, got, test.want) + } + } +} + +type DynamicTimezoneinformation struct { + Bias int32 + StandardName [32]uint16 + StandardDate syscall.Systemtime + StandardBias int32 + DaylightName [32]uint16 + DaylightDate syscall.Systemtime + DaylightBias int32 + TimeZoneKeyName [128]uint16 + DynamicDaylightTimeDisabled uint8 +} + +var ( + kernel32DLL = syscall.NewLazyDLL("kernel32") + + procGetDynamicTimeZoneInformation = kernel32DLL.NewProc("GetDynamicTimeZoneInformation") +) + +func GetDynamicTimeZoneInformation(dtzi *DynamicTimezoneinformation) (rc uint32, err error) { + r0, _, e1 := syscall.Syscall(procGetDynamicTimeZoneInformation.Addr(), 1, uintptr(unsafe.Pointer(dtzi)), 0, 0) + rc = uint32(r0) + if rc == 0xffffffff { + if e1 != 0 { + err = error(e1) + } else { + err = syscall.EINVAL + } + } + return +} diff --git a/src/internal/syscall/windows/registry/syscall.go b/src/internal/syscall/windows/registry/syscall.go new file mode 100644 index 0000000..a6525da --- /dev/null +++ b/src/internal/syscall/windows/registry/syscall.go @@ -0,0 +1,31 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +package registry + +import "syscall" + +const ( + _REG_OPTION_NON_VOLATILE = 0 + + _REG_CREATED_NEW_KEY = 1 + _REG_OPENED_EXISTING_KEY = 2 + + _ERROR_NO_MORE_ITEMS syscall.Errno = 259 +) + +func LoadRegLoadMUIString() error { + return procRegLoadMUIStringW.Find() +} + +//sys regCreateKeyEx(key syscall.Handle, subkey *uint16, reserved uint32, class *uint16, options uint32, desired uint32, sa *syscall.SecurityAttributes, result *syscall.Handle, disposition *uint32) (regerrno error) = advapi32.RegCreateKeyExW +//sys regDeleteKey(key syscall.Handle, subkey *uint16) (regerrno error) = advapi32.RegDeleteKeyW +//sys regSetValueEx(key syscall.Handle, valueName *uint16, reserved uint32, vtype uint32, buf *byte, bufsize uint32) (regerrno error) = advapi32.RegSetValueExW +//sys regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) = advapi32.RegEnumValueW +//sys regDeleteValue(key syscall.Handle, name *uint16) (regerrno error) = advapi32.RegDeleteValueW +//sys regLoadMUIString(key syscall.Handle, name *uint16, buf *uint16, buflen uint32, buflenCopied *uint32, flags uint32, dir *uint16) (regerrno error) = advapi32.RegLoadMUIStringW + +//sys expandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) = kernel32.ExpandEnvironmentStringsW diff --git a/src/internal/syscall/windows/registry/value.go b/src/internal/syscall/windows/registry/value.go new file mode 100644 index 0000000..dc3930a --- /dev/null +++ b/src/internal/syscall/windows/registry/value.go @@ -0,0 +1,372 @@ +// Copyright 2015 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +package registry + +import ( + "errors" + "syscall" + "unicode/utf16" + "unsafe" +) + +const ( + // Registry value types. + NONE = 0 + SZ = 1 + EXPAND_SZ = 2 + BINARY = 3 + DWORD = 4 + DWORD_BIG_ENDIAN = 5 + LINK = 6 + MULTI_SZ = 7 + RESOURCE_LIST = 8 + FULL_RESOURCE_DESCRIPTOR = 9 + RESOURCE_REQUIREMENTS_LIST = 10 + QWORD = 11 +) + +var ( + // ErrShortBuffer is returned when the buffer was too short for the operation. + ErrShortBuffer = syscall.ERROR_MORE_DATA + + // ErrNotExist is returned when a registry key or value does not exist. + ErrNotExist = syscall.ERROR_FILE_NOT_FOUND + + // ErrUnexpectedType is returned by Get*Value when the value's type was unexpected. + ErrUnexpectedType = errors.New("unexpected key value type") +) + +// GetValue retrieves the type and data for the specified value associated +// with an open key k. It fills up buffer buf and returns the retrieved +// byte count n. If buf is too small to fit the stored value it returns +// ErrShortBuffer error along with the required buffer size n. +// If no buffer is provided, it returns true and actual buffer size n. +// If no buffer is provided, GetValue returns the value's type only. +// If the value does not exist, the error returned is ErrNotExist. +// +// GetValue is a low level function. If value's type is known, use the appropriate +// Get*Value function instead. +func (k Key) GetValue(name string, buf []byte) (n int, valtype uint32, err error) { + pname, err := syscall.UTF16PtrFromString(name) + if err != nil { + return 0, 0, err + } + var pbuf *byte + if len(buf) > 0 { + pbuf = (*byte)(unsafe.Pointer(&buf[0])) + } + l := uint32(len(buf)) + err = syscall.RegQueryValueEx(syscall.Handle(k), pname, nil, &valtype, pbuf, &l) + if err != nil { + return int(l), valtype, err + } + return int(l), valtype, nil +} + +func (k Key) getValue(name string, buf []byte) (date []byte, valtype uint32, err error) { + p, err := syscall.UTF16PtrFromString(name) + if err != nil { + return nil, 0, err + } + var t uint32 + n := uint32(len(buf)) + for { + err = syscall.RegQueryValueEx(syscall.Handle(k), p, nil, &t, (*byte)(unsafe.Pointer(&buf[0])), &n) + if err == nil { + return buf[:n], t, nil + } + if err != syscall.ERROR_MORE_DATA { + return nil, 0, err + } + if n <= uint32(len(buf)) { + return nil, 0, err + } + buf = make([]byte, n) + } +} + +// GetStringValue retrieves the string value for the specified +// value name associated with an open key k. It also returns the value's type. +// If value does not exist, GetStringValue returns ErrNotExist. +// If value is not SZ or EXPAND_SZ, it will return the correct value +// type and ErrUnexpectedType. +func (k Key) GetStringValue(name string) (val string, valtype uint32, err error) { + data, typ, err2 := k.getValue(name, make([]byte, 64)) + if err2 != nil { + return "", typ, err2 + } + switch typ { + case SZ, EXPAND_SZ: + default: + return "", typ, ErrUnexpectedType + } + if len(data) == 0 { + return "", typ, nil + } + u := (*[1 << 29]uint16)(unsafe.Pointer(&data[0]))[: len(data)/2 : len(data)/2] + return syscall.UTF16ToString(u), typ, nil +} + +// GetMUIStringValue retrieves the localized string value for +// the specified value name associated with an open key k. +// If the value name doesn't exist or the localized string value +// can't be resolved, GetMUIStringValue returns ErrNotExist. +// GetMUIStringValue panics if the system doesn't support +// regLoadMUIString; use LoadRegLoadMUIString to check if +// regLoadMUIString is supported before calling this function. +func (k Key) GetMUIStringValue(name string) (string, error) { + pname, err := syscall.UTF16PtrFromString(name) + if err != nil { + return "", err + } + + buf := make([]uint16, 1024) + var buflen uint32 + var pdir *uint16 + + err = regLoadMUIString(syscall.Handle(k), pname, &buf[0], uint32(len(buf)), &buflen, 0, pdir) + if err == syscall.ERROR_FILE_NOT_FOUND { // Try fallback path + + // Try to resolve the string value using the system directory as + // a DLL search path; this assumes the string value is of the form + // @[path]\dllname,-strID but with no path given, e.g. @tzres.dll,-320. + + // This approach works with tzres.dll but may have to be revised + // in the future to allow callers to provide custom search paths. + + var s string + s, err = ExpandString("%SystemRoot%\\system32\\") + if err != nil { + return "", err + } + pdir, err = syscall.UTF16PtrFromString(s) + if err != nil { + return "", err + } + + err = regLoadMUIString(syscall.Handle(k), pname, &buf[0], uint32(len(buf)), &buflen, 0, pdir) + } + + for err == syscall.ERROR_MORE_DATA { // Grow buffer if needed + if buflen <= uint32(len(buf)) { + break // Buffer not growing, assume race; break + } + buf = make([]uint16, buflen) + err = regLoadMUIString(syscall.Handle(k), pname, &buf[0], uint32(len(buf)), &buflen, 0, pdir) + } + + if err != nil { + return "", err + } + + return syscall.UTF16ToString(buf), nil +} + +// ExpandString expands environment-variable strings and replaces +// them with the values defined for the current user. +// Use ExpandString to expand EXPAND_SZ strings. +func ExpandString(value string) (string, error) { + if value == "" { + return "", nil + } + p, err := syscall.UTF16PtrFromString(value) + if err != nil { + return "", err + } + r := make([]uint16, 100) + for { + n, err := expandEnvironmentStrings(p, &r[0], uint32(len(r))) + if err != nil { + return "", err + } + if n <= uint32(len(r)) { + return syscall.UTF16ToString(r[:n]), nil + } + r = make([]uint16, n) + } +} + +// GetStringsValue retrieves the []string value for the specified +// value name associated with an open key k. It also returns the value's type. +// If value does not exist, GetStringsValue returns ErrNotExist. +// If value is not MULTI_SZ, it will return the correct value +// type and ErrUnexpectedType. +func (k Key) GetStringsValue(name string) (val []string, valtype uint32, err error) { + data, typ, err2 := k.getValue(name, make([]byte, 64)) + if err2 != nil { + return nil, typ, err2 + } + if typ != MULTI_SZ { + return nil, typ, ErrUnexpectedType + } + if len(data) == 0 { + return nil, typ, nil + } + p := (*[1 << 29]uint16)(unsafe.Pointer(&data[0]))[: len(data)/2 : len(data)/2] + if len(p) == 0 { + return nil, typ, nil + } + if p[len(p)-1] == 0 { + p = p[:len(p)-1] // remove terminating null + } + val = make([]string, 0, 5) + from := 0 + for i, c := range p { + if c == 0 { + val = append(val, string(utf16.Decode(p[from:i]))) + from = i + 1 + } + } + return val, typ, nil +} + +// GetIntegerValue retrieves the integer value for the specified +// value name associated with an open key k. It also returns the value's type. +// If value does not exist, GetIntegerValue returns ErrNotExist. +// If value is not DWORD or QWORD, it will return the correct value +// type and ErrUnexpectedType. +func (k Key) GetIntegerValue(name string) (val uint64, valtype uint32, err error) { + data, typ, err2 := k.getValue(name, make([]byte, 8)) + if err2 != nil { + return 0, typ, err2 + } + switch typ { + case DWORD: + if len(data) != 4 { + return 0, typ, errors.New("DWORD value is not 4 bytes long") + } + return uint64(*(*uint32)(unsafe.Pointer(&data[0]))), DWORD, nil + case QWORD: + if len(data) != 8 { + return 0, typ, errors.New("QWORD value is not 8 bytes long") + } + return uint64(*(*uint64)(unsafe.Pointer(&data[0]))), QWORD, nil + default: + return 0, typ, ErrUnexpectedType + } +} + +// GetBinaryValue retrieves the binary value for the specified +// value name associated with an open key k. It also returns the value's type. +// If value does not exist, GetBinaryValue returns ErrNotExist. +// If value is not BINARY, it will return the correct value +// type and ErrUnexpectedType. +func (k Key) GetBinaryValue(name string) (val []byte, valtype uint32, err error) { + data, typ, err2 := k.getValue(name, make([]byte, 64)) + if err2 != nil { + return nil, typ, err2 + } + if typ != BINARY { + return nil, typ, ErrUnexpectedType + } + return data, typ, nil +} + +func (k Key) setValue(name string, valtype uint32, data []byte) error { + p, err := syscall.UTF16PtrFromString(name) + if err != nil { + return err + } + if len(data) == 0 { + return regSetValueEx(syscall.Handle(k), p, 0, valtype, nil, 0) + } + return regSetValueEx(syscall.Handle(k), p, 0, valtype, &data[0], uint32(len(data))) +} + +// SetDWordValue sets the data and type of a name value +// under key k to value and DWORD. +func (k Key) SetDWordValue(name string, value uint32) error { + return k.setValue(name, DWORD, (*[4]byte)(unsafe.Pointer(&value))[:]) +} + +// SetQWordValue sets the data and type of a name value +// under key k to value and QWORD. +func (k Key) SetQWordValue(name string, value uint64) error { + return k.setValue(name, QWORD, (*[8]byte)(unsafe.Pointer(&value))[:]) +} + +func (k Key) setStringValue(name string, valtype uint32, value string) error { + v, err := syscall.UTF16FromString(value) + if err != nil { + return err + } + buf := (*[1 << 29]byte)(unsafe.Pointer(&v[0]))[: len(v)*2 : len(v)*2] + return k.setValue(name, valtype, buf) +} + +// SetStringValue sets the data and type of a name value +// under key k to value and SZ. The value must not contain a zero byte. +func (k Key) SetStringValue(name, value string) error { + return k.setStringValue(name, SZ, value) +} + +// SetExpandStringValue sets the data and type of a name value +// under key k to value and EXPAND_SZ. The value must not contain a zero byte. +func (k Key) SetExpandStringValue(name, value string) error { + return k.setStringValue(name, EXPAND_SZ, value) +} + +// SetStringsValue sets the data and type of a name value +// under key k to value and MULTI_SZ. The value strings +// must not contain a zero byte. +func (k Key) SetStringsValue(name string, value []string) error { + ss := "" + for _, s := range value { + for i := 0; i < len(s); i++ { + if s[i] == 0 { + return errors.New("string cannot have 0 inside") + } + } + ss += s + "\x00" + } + v := utf16.Encode([]rune(ss + "\x00")) + buf := (*[1 << 29]byte)(unsafe.Pointer(&v[0]))[: len(v)*2 : len(v)*2] + return k.setValue(name, MULTI_SZ, buf) +} + +// SetBinaryValue sets the data and type of a name value +// under key k to value and BINARY. +func (k Key) SetBinaryValue(name string, value []byte) error { + return k.setValue(name, BINARY, value) +} + +// DeleteValue removes a named value from the key k. +func (k Key) DeleteValue(name string) error { + return regDeleteValue(syscall.Handle(k), syscall.StringToUTF16Ptr(name)) +} + +// ReadValueNames returns the value names of key k. +func (k Key) ReadValueNames() ([]string, error) { + ki, err := k.Stat() + if err != nil { + return nil, err + } + names := make([]string, 0, ki.ValueCount) + buf := make([]uint16, ki.MaxValueNameLen+1) // extra room for terminating null character +loopItems: + for i := uint32(0); ; i++ { + l := uint32(len(buf)) + for { + err := regEnumValue(syscall.Handle(k), i, &buf[0], &l, nil, nil, nil, nil) + if err == nil { + break + } + if err == syscall.ERROR_MORE_DATA { + // Double buffer size and try again. + l = uint32(2 * len(buf)) + buf = make([]uint16, l) + continue + } + if err == _ERROR_NO_MORE_ITEMS { + break loopItems + } + return names, err + } + names = append(names, syscall.UTF16ToString(buf[:l])) + } + return names, nil +} diff --git a/src/internal/syscall/windows/registry/zsyscall_windows.go b/src/internal/syscall/windows/registry/zsyscall_windows.go new file mode 100644 index 0000000..cab1319 --- /dev/null +++ b/src/internal/syscall/windows/registry/zsyscall_windows.go @@ -0,0 +1,107 @@ +// Code generated by 'go generate'; DO NOT EDIT. + +package registry + +import ( + "internal/syscall/windows/sysdll" + "syscall" + "unsafe" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) + errERROR_EINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return errERROR_EINVAL + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + // TODO: add more here, after collecting data on the common + // error values see on Windows. (perhaps when running + // all.bat?) + return e +} + +var ( + modadvapi32 = syscall.NewLazyDLL(sysdll.Add("advapi32.dll")) + modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll")) + + procRegCreateKeyExW = modadvapi32.NewProc("RegCreateKeyExW") + procRegDeleteKeyW = modadvapi32.NewProc("RegDeleteKeyW") + procRegDeleteValueW = modadvapi32.NewProc("RegDeleteValueW") + procRegEnumValueW = modadvapi32.NewProc("RegEnumValueW") + procRegLoadMUIStringW = modadvapi32.NewProc("RegLoadMUIStringW") + procRegSetValueExW = modadvapi32.NewProc("RegSetValueExW") + procExpandEnvironmentStringsW = modkernel32.NewProc("ExpandEnvironmentStringsW") +) + +func regCreateKeyEx(key syscall.Handle, subkey *uint16, reserved uint32, class *uint16, options uint32, desired uint32, sa *syscall.SecurityAttributes, result *syscall.Handle, disposition *uint32) (regerrno error) { + r0, _, _ := syscall.Syscall9(procRegCreateKeyExW.Addr(), 9, uintptr(key), uintptr(unsafe.Pointer(subkey)), uintptr(reserved), uintptr(unsafe.Pointer(class)), uintptr(options), uintptr(desired), uintptr(unsafe.Pointer(sa)), uintptr(unsafe.Pointer(result)), uintptr(unsafe.Pointer(disposition))) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func regDeleteKey(key syscall.Handle, subkey *uint16) (regerrno error) { + r0, _, _ := syscall.Syscall(procRegDeleteKeyW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(subkey)), 0) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func regDeleteValue(key syscall.Handle, name *uint16) (regerrno error) { + r0, _, _ := syscall.Syscall(procRegDeleteValueW.Addr(), 2, uintptr(key), uintptr(unsafe.Pointer(name)), 0) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func regEnumValue(key syscall.Handle, index uint32, name *uint16, nameLen *uint32, reserved *uint32, valtype *uint32, buf *byte, buflen *uint32) (regerrno error) { + r0, _, _ := syscall.Syscall9(procRegEnumValueW.Addr(), 8, uintptr(key), uintptr(index), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(nameLen)), uintptr(unsafe.Pointer(reserved)), uintptr(unsafe.Pointer(valtype)), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(buflen)), 0) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func regLoadMUIString(key syscall.Handle, name *uint16, buf *uint16, buflen uint32, buflenCopied *uint32, flags uint32, dir *uint16) (regerrno error) { + r0, _, _ := syscall.Syscall9(procRegLoadMUIStringW.Addr(), 7, uintptr(key), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(buf)), uintptr(buflen), uintptr(unsafe.Pointer(buflenCopied)), uintptr(flags), uintptr(unsafe.Pointer(dir)), 0, 0) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func regSetValueEx(key syscall.Handle, valueName *uint16, reserved uint32, vtype uint32, buf *byte, bufsize uint32) (regerrno error) { + r0, _, _ := syscall.Syscall6(procRegSetValueExW.Addr(), 6, uintptr(key), uintptr(unsafe.Pointer(valueName)), uintptr(reserved), uintptr(vtype), uintptr(unsafe.Pointer(buf)), uintptr(bufsize)) + if r0 != 0 { + regerrno = syscall.Errno(r0) + } + return +} + +func expandEnvironmentStrings(src *uint16, dst *uint16, size uint32) (n uint32, err error) { + r0, _, e1 := syscall.Syscall(procExpandEnvironmentStringsW.Addr(), 3, uintptr(unsafe.Pointer(src)), uintptr(unsafe.Pointer(dst)), uintptr(size)) + n = uint32(r0) + if n == 0 { + err = errnoErr(e1) + } + return +} diff --git a/src/internal/syscall/windows/reparse_windows.go b/src/internal/syscall/windows/reparse_windows.go new file mode 100644 index 0000000..6e11139 --- /dev/null +++ b/src/internal/syscall/windows/reparse_windows.go @@ -0,0 +1,90 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package windows + +import ( + "syscall" + "unsafe" +) + +const ( + FSCTL_SET_REPARSE_POINT = 0x000900A4 + IO_REPARSE_TAG_MOUNT_POINT = 0xA0000003 + + SYMLINK_FLAG_RELATIVE = 1 +) + +// These structures are described +// in https://msdn.microsoft.com/en-us/library/cc232007.aspx +// and https://msdn.microsoft.com/en-us/library/cc232006.aspx. + +type REPARSE_DATA_BUFFER struct { + ReparseTag uint32 + ReparseDataLength uint16 + Reserved uint16 + DUMMYUNIONNAME byte +} + +// REPARSE_DATA_BUFFER_HEADER is a common part of REPARSE_DATA_BUFFER structure. +type REPARSE_DATA_BUFFER_HEADER struct { + ReparseTag uint32 + // The size, in bytes, of the reparse data that follows + // the common portion of the REPARSE_DATA_BUFFER element. + // This value is the length of the data starting at the + // SubstituteNameOffset field. + ReparseDataLength uint16 + Reserved uint16 +} + +type SymbolicLinkReparseBuffer struct { + // The integer that contains the offset, in bytes, + // of the substitute name string in the PathBuffer array, + // computed as an offset from byte 0 of PathBuffer. Note that + // this offset must be divided by 2 to get the array index. + SubstituteNameOffset uint16 + // The integer that contains the length, in bytes, of the + // substitute name string. If this string is null-terminated, + // SubstituteNameLength does not include the Unicode null character. + SubstituteNameLength uint16 + // PrintNameOffset is similar to SubstituteNameOffset. + PrintNameOffset uint16 + // PrintNameLength is similar to SubstituteNameLength. + PrintNameLength uint16 + // Flags specifies whether the substitute name is a full path name or + // a path name relative to the directory containing the symbolic link. + Flags uint32 + PathBuffer [1]uint16 +} + +// Path returns path stored in rb. +func (rb *SymbolicLinkReparseBuffer) Path() string { + n1 := rb.SubstituteNameOffset / 2 + n2 := (rb.SubstituteNameOffset + rb.SubstituteNameLength) / 2 + return syscall.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(&rb.PathBuffer[0]))[n1:n2:n2]) +} + +type MountPointReparseBuffer struct { + // The integer that contains the offset, in bytes, + // of the substitute name string in the PathBuffer array, + // computed as an offset from byte 0 of PathBuffer. Note that + // this offset must be divided by 2 to get the array index. + SubstituteNameOffset uint16 + // The integer that contains the length, in bytes, of the + // substitute name string. If this string is null-terminated, + // SubstituteNameLength does not include the Unicode null character. + SubstituteNameLength uint16 + // PrintNameOffset is similar to SubstituteNameOffset. + PrintNameOffset uint16 + // PrintNameLength is similar to SubstituteNameLength. + PrintNameLength uint16 + PathBuffer [1]uint16 +} + +// Path returns path stored in rb. +func (rb *MountPointReparseBuffer) Path() string { + n1 := rb.SubstituteNameOffset / 2 + n2 := (rb.SubstituteNameOffset + rb.SubstituteNameLength) / 2 + return syscall.UTF16ToString((*[0xffff]uint16)(unsafe.Pointer(&rb.PathBuffer[0]))[n1:n2:n2]) +} diff --git a/src/internal/syscall/windows/security_windows.go b/src/internal/syscall/windows/security_windows.go new file mode 100644 index 0000000..4a2dfc0 --- /dev/null +++ b/src/internal/syscall/windows/security_windows.go @@ -0,0 +1,128 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package windows + +import ( + "syscall" + "unsafe" +) + +const ( + SecurityAnonymous = 0 + SecurityIdentification = 1 + SecurityImpersonation = 2 + SecurityDelegation = 3 +) + +//sys ImpersonateSelf(impersonationlevel uint32) (err error) = advapi32.ImpersonateSelf +//sys RevertToSelf() (err error) = advapi32.RevertToSelf + +const ( + TOKEN_ADJUST_PRIVILEGES = 0x0020 + SE_PRIVILEGE_ENABLED = 0x00000002 +) + +type LUID struct { + LowPart uint32 + HighPart int32 +} + +type LUID_AND_ATTRIBUTES struct { + Luid LUID + Attributes uint32 +} + +type TOKEN_PRIVILEGES struct { + PrivilegeCount uint32 + Privileges [1]LUID_AND_ATTRIBUTES +} + +//sys OpenThreadToken(h syscall.Handle, access uint32, openasself bool, token *syscall.Token) (err error) = advapi32.OpenThreadToken +//sys LookupPrivilegeValue(systemname *uint16, name *uint16, luid *LUID) (err error) = advapi32.LookupPrivilegeValueW +//sys adjustTokenPrivileges(token syscall.Token, disableAllPrivileges bool, newstate *TOKEN_PRIVILEGES, buflen uint32, prevstate *TOKEN_PRIVILEGES, returnlen *uint32) (ret uint32, err error) [true] = advapi32.AdjustTokenPrivileges + +func AdjustTokenPrivileges(token syscall.Token, disableAllPrivileges bool, newstate *TOKEN_PRIVILEGES, buflen uint32, prevstate *TOKEN_PRIVILEGES, returnlen *uint32) error { + ret, err := adjustTokenPrivileges(token, disableAllPrivileges, newstate, buflen, prevstate, returnlen) + if ret == 0 { + // AdjustTokenPrivileges call failed + return err + } + // AdjustTokenPrivileges call succeeded + if err == syscall.EINVAL { + // GetLastError returned ERROR_SUCCESS + return nil + } + return err +} + +//sys DuplicateTokenEx(hExistingToken syscall.Token, dwDesiredAccess uint32, lpTokenAttributes *syscall.SecurityAttributes, impersonationLevel uint32, tokenType TokenType, phNewToken *syscall.Token) (err error) = advapi32.DuplicateTokenEx +//sys SetTokenInformation(tokenHandle syscall.Token, tokenInformationClass uint32, tokenInformation uintptr, tokenInformationLength uint32) (err error) = advapi32.SetTokenInformation + +type SID_AND_ATTRIBUTES struct { + Sid *syscall.SID + Attributes uint32 +} + +type TOKEN_MANDATORY_LABEL struct { + Label SID_AND_ATTRIBUTES +} + +func (tml *TOKEN_MANDATORY_LABEL) Size() uint32 { + return uint32(unsafe.Sizeof(TOKEN_MANDATORY_LABEL{})) + syscall.GetLengthSid(tml.Label.Sid) +} + +const SE_GROUP_INTEGRITY = 0x00000020 + +type TokenType uint32 + +const ( + TokenPrimary TokenType = 1 + TokenImpersonation TokenType = 2 +) + +//sys GetProfilesDirectory(dir *uint16, dirLen *uint32) (err error) = userenv.GetProfilesDirectoryW + +const ( + LG_INCLUDE_INDIRECT = 0x1 + MAX_PREFERRED_LENGTH = 0xFFFFFFFF +) + +type LocalGroupUserInfo0 struct { + Name *uint16 +} + +type UserInfo4 struct { + Name *uint16 + Password *uint16 + PasswordAge uint32 + Priv uint32 + HomeDir *uint16 + Comment *uint16 + Flags uint32 + ScriptPath *uint16 + AuthFlags uint32 + FullName *uint16 + UsrComment *uint16 + Parms *uint16 + Workstations *uint16 + LastLogon uint32 + LastLogoff uint32 + AcctExpires uint32 + MaxStorage uint32 + UnitsPerWeek uint32 + LogonHours *byte + BadPwCount uint32 + NumLogons uint32 + LogonServer *uint16 + CountryCode uint32 + CodePage uint32 + UserSid *syscall.SID + PrimaryGroupID uint32 + Profile *uint16 + HomeDirDrive *uint16 + PasswordExpired uint32 +} + +//sys NetUserGetLocalGroups(serverName *uint16, userName *uint16, level uint32, flags uint32, buf **byte, prefMaxLen uint32, entriesRead *uint32, totalEntries *uint32) (neterr error) = netapi32.NetUserGetLocalGroups diff --git a/src/internal/syscall/windows/symlink_windows.go b/src/internal/syscall/windows/symlink_windows.go new file mode 100644 index 0000000..b64d058 --- /dev/null +++ b/src/internal/syscall/windows/symlink_windows.go @@ -0,0 +1,39 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package windows + +import "syscall" + +const ( + ERROR_INVALID_PARAMETER syscall.Errno = 87 + + // symlink support for CreateSymbolicLink() starting with Windows 10 (1703, v10.0.14972) + SYMBOLIC_LINK_FLAG_ALLOW_UNPRIVILEGED_CREATE = 0x2 + + // FileInformationClass values + FileBasicInfo = 0 // FILE_BASIC_INFO + FileStandardInfo = 1 // FILE_STANDARD_INFO + FileNameInfo = 2 // FILE_NAME_INFO + FileStreamInfo = 7 // FILE_STREAM_INFO + FileCompressionInfo = 8 // FILE_COMPRESSION_INFO + FileAttributeTagInfo = 9 // FILE_ATTRIBUTE_TAG_INFO + FileIdBothDirectoryInfo = 0xa // FILE_ID_BOTH_DIR_INFO + FileIdBothDirectoryRestartInfo = 0xb // FILE_ID_BOTH_DIR_INFO + FileRemoteProtocolInfo = 0xd // FILE_REMOTE_PROTOCOL_INFO + FileFullDirectoryInfo = 0xe // FILE_FULL_DIR_INFO + FileFullDirectoryRestartInfo = 0xf // FILE_FULL_DIR_INFO + FileStorageInfo = 0x10 // FILE_STORAGE_INFO + FileAlignmentInfo = 0x11 // FILE_ALIGNMENT_INFO + FileIdInfo = 0x12 // FILE_ID_INFO + FileIdExtdDirectoryInfo = 0x13 // FILE_ID_EXTD_DIR_INFO + FileIdExtdDirectoryRestartInfo = 0x14 // FILE_ID_EXTD_DIR_INFO +) + +type FILE_ATTRIBUTE_TAG_INFO struct { + FileAttributes uint32 + ReparseTag uint32 +} + +//sys GetFileInformationByHandleEx(handle syscall.Handle, class uint32, info *byte, bufsize uint32) (err error) diff --git a/src/internal/syscall/windows/syscall_windows.go b/src/internal/syscall/windows/syscall_windows.go new file mode 100644 index 0000000..f8965d0 --- /dev/null +++ b/src/internal/syscall/windows/syscall_windows.go @@ -0,0 +1,346 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package windows + +import ( + "internal/unsafeheader" + "sync" + "syscall" + "unicode/utf16" + "unsafe" +) + +// UTF16PtrToString is like UTF16ToString, but takes *uint16 +// as a parameter instead of []uint16. +func UTF16PtrToString(p *uint16) string { + if p == nil { + return "" + } + // Find NUL terminator. + end := unsafe.Pointer(p) + n := 0 + for *(*uint16)(end) != 0 { + end = unsafe.Pointer(uintptr(end) + unsafe.Sizeof(*p)) + n++ + } + // Turn *uint16 into []uint16. + var s []uint16 + hdr := (*unsafeheader.Slice)(unsafe.Pointer(&s)) + hdr.Data = unsafe.Pointer(p) + hdr.Cap = n + hdr.Len = n + // Decode []uint16 into string. + return string(utf16.Decode(s)) +} + +const ( + ERROR_SHARING_VIOLATION syscall.Errno = 32 + ERROR_LOCK_VIOLATION syscall.Errno = 33 + ERROR_NOT_SUPPORTED syscall.Errno = 50 + ERROR_CALL_NOT_IMPLEMENTED syscall.Errno = 120 + ERROR_INVALID_NAME syscall.Errno = 123 + ERROR_LOCK_FAILED syscall.Errno = 167 + ERROR_NO_UNICODE_TRANSLATION syscall.Errno = 1113 +) + +const GAA_FLAG_INCLUDE_PREFIX = 0x00000010 + +const ( + IF_TYPE_OTHER = 1 + IF_TYPE_ETHERNET_CSMACD = 6 + IF_TYPE_ISO88025_TOKENRING = 9 + IF_TYPE_PPP = 23 + IF_TYPE_SOFTWARE_LOOPBACK = 24 + IF_TYPE_ATM = 37 + IF_TYPE_IEEE80211 = 71 + IF_TYPE_TUNNEL = 131 + IF_TYPE_IEEE1394 = 144 +) + +type SocketAddress struct { + Sockaddr *syscall.RawSockaddrAny + SockaddrLength int32 +} + +type IpAdapterUnicastAddress struct { + Length uint32 + Flags uint32 + Next *IpAdapterUnicastAddress + Address SocketAddress + PrefixOrigin int32 + SuffixOrigin int32 + DadState int32 + ValidLifetime uint32 + PreferredLifetime uint32 + LeaseLifetime uint32 + OnLinkPrefixLength uint8 +} + +type IpAdapterAnycastAddress struct { + Length uint32 + Flags uint32 + Next *IpAdapterAnycastAddress + Address SocketAddress +} + +type IpAdapterMulticastAddress struct { + Length uint32 + Flags uint32 + Next *IpAdapterMulticastAddress + Address SocketAddress +} + +type IpAdapterDnsServerAdapter struct { + Length uint32 + Reserved uint32 + Next *IpAdapterDnsServerAdapter + Address SocketAddress +} + +type IpAdapterPrefix struct { + Length uint32 + Flags uint32 + Next *IpAdapterPrefix + Address SocketAddress + PrefixLength uint32 +} + +type IpAdapterAddresses struct { + Length uint32 + IfIndex uint32 + Next *IpAdapterAddresses + AdapterName *byte + FirstUnicastAddress *IpAdapterUnicastAddress + FirstAnycastAddress *IpAdapterAnycastAddress + FirstMulticastAddress *IpAdapterMulticastAddress + FirstDnsServerAddress *IpAdapterDnsServerAdapter + DnsSuffix *uint16 + Description *uint16 + FriendlyName *uint16 + PhysicalAddress [syscall.MAX_ADAPTER_ADDRESS_LENGTH]byte + PhysicalAddressLength uint32 + Flags uint32 + Mtu uint32 + IfType uint32 + OperStatus uint32 + Ipv6IfIndex uint32 + ZoneIndices [16]uint32 + FirstPrefix *IpAdapterPrefix + /* more fields might be present here. */ +} + +type FILE_BASIC_INFO struct { + CreationTime syscall.Filetime + LastAccessTime syscall.Filetime + LastWriteTime syscall.Filetime + ChangedTime syscall.Filetime + FileAttributes uint32 +} + +const ( + IfOperStatusUp = 1 + IfOperStatusDown = 2 + IfOperStatusTesting = 3 + IfOperStatusUnknown = 4 + IfOperStatusDormant = 5 + IfOperStatusNotPresent = 6 + IfOperStatusLowerLayerDown = 7 +) + +//sys GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) = iphlpapi.GetAdaptersAddresses +//sys GetComputerNameEx(nameformat uint32, buf *uint16, n *uint32) (err error) = GetComputerNameExW +//sys MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) = MoveFileExW +//sys GetModuleFileName(module syscall.Handle, fn *uint16, len uint32) (n uint32, err error) = kernel32.GetModuleFileNameW +//sys SetFileInformationByHandle(handle syscall.Handle, fileInformationClass uint32, buf uintptr, bufsize uint32) (err error) = kernel32.SetFileInformationByHandle + +const ( + WSA_FLAG_OVERLAPPED = 0x01 + WSA_FLAG_NO_HANDLE_INHERIT = 0x80 + + WSAEMSGSIZE syscall.Errno = 10040 + + MSG_PEEK = 0x2 + MSG_TRUNC = 0x0100 + MSG_CTRUNC = 0x0200 + + socket_error = uintptr(^uint32(0)) +) + +var WSAID_WSASENDMSG = syscall.GUID{ + Data1: 0xa441e712, + Data2: 0x754f, + Data3: 0x43ca, + Data4: [8]byte{0x84, 0xa7, 0x0d, 0xee, 0x44, 0xcf, 0x60, 0x6d}, +} + +var WSAID_WSARECVMSG = syscall.GUID{ + Data1: 0xf689d7c8, + Data2: 0x6f1f, + Data3: 0x436b, + Data4: [8]byte{0x8a, 0x53, 0xe5, 0x4f, 0xe3, 0x51, 0xc3, 0x22}, +} + +var sendRecvMsgFunc struct { + once sync.Once + sendAddr uintptr + recvAddr uintptr + err error +} + +type WSAMsg struct { + Name syscall.Pointer + Namelen int32 + Buffers *syscall.WSABuf + BufferCount uint32 + Control syscall.WSABuf + Flags uint32 +} + +//sys WSASocket(af int32, typ int32, protocol int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (handle syscall.Handle, err error) [failretval==syscall.InvalidHandle] = ws2_32.WSASocketW + +func loadWSASendRecvMsg() error { + sendRecvMsgFunc.once.Do(func() { + var s syscall.Handle + s, sendRecvMsgFunc.err = syscall.Socket(syscall.AF_INET, syscall.SOCK_DGRAM, syscall.IPPROTO_UDP) + if sendRecvMsgFunc.err != nil { + return + } + defer syscall.CloseHandle(s) + var n uint32 + sendRecvMsgFunc.err = syscall.WSAIoctl(s, + syscall.SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&WSAID_WSARECVMSG)), + uint32(unsafe.Sizeof(WSAID_WSARECVMSG)), + (*byte)(unsafe.Pointer(&sendRecvMsgFunc.recvAddr)), + uint32(unsafe.Sizeof(sendRecvMsgFunc.recvAddr)), + &n, nil, 0) + if sendRecvMsgFunc.err != nil { + return + } + sendRecvMsgFunc.err = syscall.WSAIoctl(s, + syscall.SIO_GET_EXTENSION_FUNCTION_POINTER, + (*byte)(unsafe.Pointer(&WSAID_WSASENDMSG)), + uint32(unsafe.Sizeof(WSAID_WSASENDMSG)), + (*byte)(unsafe.Pointer(&sendRecvMsgFunc.sendAddr)), + uint32(unsafe.Sizeof(sendRecvMsgFunc.sendAddr)), + &n, nil, 0) + }) + return sendRecvMsgFunc.err +} + +func WSASendMsg(fd syscall.Handle, msg *WSAMsg, flags uint32, bytesSent *uint32, overlapped *syscall.Overlapped, croutine *byte) error { + err := loadWSASendRecvMsg() + if err != nil { + return err + } + r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.sendAddr, 6, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(flags), uintptr(unsafe.Pointer(bytesSent)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine))) + if r1 == socket_error { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return err +} + +func WSARecvMsg(fd syscall.Handle, msg *WSAMsg, bytesReceived *uint32, overlapped *syscall.Overlapped, croutine *byte) error { + err := loadWSASendRecvMsg() + if err != nil { + return err + } + r1, _, e1 := syscall.Syscall6(sendRecvMsgFunc.recvAddr, 5, uintptr(fd), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(bytesReceived)), uintptr(unsafe.Pointer(overlapped)), uintptr(unsafe.Pointer(croutine)), 0) + if r1 == socket_error { + if e1 != 0 { + err = errnoErr(e1) + } else { + err = syscall.EINVAL + } + } + return err +} + +const ( + ComputerNameNetBIOS = 0 + ComputerNameDnsHostname = 1 + ComputerNameDnsDomain = 2 + ComputerNameDnsFullyQualified = 3 + ComputerNamePhysicalNetBIOS = 4 + ComputerNamePhysicalDnsHostname = 5 + ComputerNamePhysicalDnsDomain = 6 + ComputerNamePhysicalDnsFullyQualified = 7 + ComputerNameMax = 8 + + MOVEFILE_REPLACE_EXISTING = 0x1 + MOVEFILE_COPY_ALLOWED = 0x2 + MOVEFILE_DELAY_UNTIL_REBOOT = 0x4 + MOVEFILE_WRITE_THROUGH = 0x8 + MOVEFILE_CREATE_HARDLINK = 0x10 + MOVEFILE_FAIL_IF_NOT_TRACKABLE = 0x20 +) + +func Rename(oldpath, newpath string) error { + from, err := syscall.UTF16PtrFromString(oldpath) + if err != nil { + return err + } + to, err := syscall.UTF16PtrFromString(newpath) + if err != nil { + return err + } + return MoveFileEx(from, to, MOVEFILE_REPLACE_EXISTING) +} + +//sys LockFileEx(file syscall.Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) = kernel32.LockFileEx +//sys UnlockFileEx(file syscall.Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) = kernel32.UnlockFileEx + +const ( + LOCKFILE_FAIL_IMMEDIATELY = 0x00000001 + LOCKFILE_EXCLUSIVE_LOCK = 0x00000002 +) + +const MB_ERR_INVALID_CHARS = 8 + +//sys GetACP() (acp uint32) = kernel32.GetACP +//sys GetConsoleCP() (ccp uint32) = kernel32.GetConsoleCP +//sys MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) = kernel32.MultiByteToWideChar +//sys GetCurrentThread() (pseudoHandle syscall.Handle, err error) = kernel32.GetCurrentThread + +const STYPE_DISKTREE = 0x00 + +type SHARE_INFO_2 struct { + Netname *uint16 + Type uint32 + Remark *uint16 + Permissions uint32 + MaxUses uint32 + CurrentUses uint32 + Path *uint16 + Passwd *uint16 +} + +//sys NetShareAdd(serverName *uint16, level uint32, buf *byte, parmErr *uint16) (neterr error) = netapi32.NetShareAdd +//sys NetShareDel(serverName *uint16, netName *uint16, reserved uint32) (neterr error) = netapi32.NetShareDel + +const ( + FILE_NAME_NORMALIZED = 0x0 + FILE_NAME_OPENED = 0x8 + + VOLUME_NAME_DOS = 0x0 + VOLUME_NAME_GUID = 0x1 + VOLUME_NAME_NONE = 0x4 + VOLUME_NAME_NT = 0x2 +) + +//sys GetFinalPathNameByHandle(file syscall.Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) = kernel32.GetFinalPathNameByHandleW + +func LoadGetFinalPathNameByHandle() error { + return procGetFinalPathNameByHandleW.Find() +} + +//sys CreateEnvironmentBlock(block **uint16, token syscall.Token, inheritExisting bool) (err error) = userenv.CreateEnvironmentBlock +//sys DestroyEnvironmentBlock(block *uint16) (err error) = userenv.DestroyEnvironmentBlock + +//sys RtlGenRandom(buf []byte) (err error) = advapi32.SystemFunction036 diff --git a/src/internal/syscall/windows/sysdll/sysdll.go b/src/internal/syscall/windows/sysdll/sysdll.go new file mode 100644 index 0000000..c587c19 --- /dev/null +++ b/src/internal/syscall/windows/sysdll/sysdll.go @@ -0,0 +1,30 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// +build windows + +// Package sysdll is an internal leaf package that records and reports +// which Windows DLL names are used by Go itself. These DLLs are then +// only loaded from the System32 directory. See Issue 14959. +package sysdll + +// IsSystemDLL reports whether the named dll key (a base name, like +// "foo.dll") is a system DLL which should only be loaded from the +// Windows SYSTEM32 directory. +// +// Filenames are case sensitive, but that doesn't matter because +// the case registered with Add is also the same case used with +// LoadDLL later. +// +// It has no associated mutex and should only be mutated serially +// (currently: during init), and not concurrent with DLL loading. +var IsSystemDLL = map[string]bool{} + +// Add notes that dll is a system32 DLL which should only be loaded +// from the Windows SYSTEM32 directory. It returns its argument back, +// for ease of use in generated code. +func Add(dll string) string { + IsSystemDLL[dll] = true + return dll +} diff --git a/src/internal/syscall/windows/zsyscall_windows.go b/src/internal/syscall/windows/zsyscall_windows.go new file mode 100644 index 0000000..aaad4a5 --- /dev/null +++ b/src/internal/syscall/windows/zsyscall_windows.go @@ -0,0 +1,327 @@ +// Code generated by 'go generate'; DO NOT EDIT. + +package windows + +import ( + "internal/syscall/windows/sysdll" + "syscall" + "unsafe" +) + +var _ unsafe.Pointer + +// Do the interface allocations only once for common +// Errno values. +const ( + errnoERROR_IO_PENDING = 997 +) + +var ( + errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING) + errERROR_EINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent +// allocations at runtime. +func errnoErr(e syscall.Errno) error { + switch e { + case 0: + return errERROR_EINVAL + case errnoERROR_IO_PENDING: + return errERROR_IO_PENDING + } + // TODO: add more here, after collecting data on the common + // error values see on Windows. (perhaps when running + // all.bat?) + return e +} + +var ( + modadvapi32 = syscall.NewLazyDLL(sysdll.Add("advapi32.dll")) + modiphlpapi = syscall.NewLazyDLL(sysdll.Add("iphlpapi.dll")) + modkernel32 = syscall.NewLazyDLL(sysdll.Add("kernel32.dll")) + modnetapi32 = syscall.NewLazyDLL(sysdll.Add("netapi32.dll")) + modpsapi = syscall.NewLazyDLL(sysdll.Add("psapi.dll")) + moduserenv = syscall.NewLazyDLL(sysdll.Add("userenv.dll")) + modws2_32 = syscall.NewLazyDLL(sysdll.Add("ws2_32.dll")) + + procAdjustTokenPrivileges = modadvapi32.NewProc("AdjustTokenPrivileges") + procDuplicateTokenEx = modadvapi32.NewProc("DuplicateTokenEx") + procImpersonateSelf = modadvapi32.NewProc("ImpersonateSelf") + procLookupPrivilegeValueW = modadvapi32.NewProc("LookupPrivilegeValueW") + procOpenThreadToken = modadvapi32.NewProc("OpenThreadToken") + procRevertToSelf = modadvapi32.NewProc("RevertToSelf") + procSetTokenInformation = modadvapi32.NewProc("SetTokenInformation") + procSystemFunction036 = modadvapi32.NewProc("SystemFunction036") + procGetAdaptersAddresses = modiphlpapi.NewProc("GetAdaptersAddresses") + procGetACP = modkernel32.NewProc("GetACP") + procGetComputerNameExW = modkernel32.NewProc("GetComputerNameExW") + procGetConsoleCP = modkernel32.NewProc("GetConsoleCP") + procGetCurrentThread = modkernel32.NewProc("GetCurrentThread") + procGetFileInformationByHandleEx = modkernel32.NewProc("GetFileInformationByHandleEx") + procGetFinalPathNameByHandleW = modkernel32.NewProc("GetFinalPathNameByHandleW") + procGetModuleFileNameW = modkernel32.NewProc("GetModuleFileNameW") + procLockFileEx = modkernel32.NewProc("LockFileEx") + procMoveFileExW = modkernel32.NewProc("MoveFileExW") + procMultiByteToWideChar = modkernel32.NewProc("MultiByteToWideChar") + procSetFileInformationByHandle = modkernel32.NewProc("SetFileInformationByHandle") + procUnlockFileEx = modkernel32.NewProc("UnlockFileEx") + procNetShareAdd = modnetapi32.NewProc("NetShareAdd") + procNetShareDel = modnetapi32.NewProc("NetShareDel") + procNetUserGetLocalGroups = modnetapi32.NewProc("NetUserGetLocalGroups") + procGetProcessMemoryInfo = modpsapi.NewProc("GetProcessMemoryInfo") + procCreateEnvironmentBlock = moduserenv.NewProc("CreateEnvironmentBlock") + procDestroyEnvironmentBlock = moduserenv.NewProc("DestroyEnvironmentBlock") + procGetProfilesDirectoryW = moduserenv.NewProc("GetProfilesDirectoryW") + procWSASocketW = modws2_32.NewProc("WSASocketW") +) + +func adjustTokenPrivileges(token syscall.Token, disableAllPrivileges bool, newstate *TOKEN_PRIVILEGES, buflen uint32, prevstate *TOKEN_PRIVILEGES, returnlen *uint32) (ret uint32, err error) { + var _p0 uint32 + if disableAllPrivileges { + _p0 = 1 + } + r0, _, e1 := syscall.Syscall6(procAdjustTokenPrivileges.Addr(), 6, uintptr(token), uintptr(_p0), uintptr(unsafe.Pointer(newstate)), uintptr(buflen), uintptr(unsafe.Pointer(prevstate)), uintptr(unsafe.Pointer(returnlen))) + ret = uint32(r0) + if true { + err = errnoErr(e1) + } + return +} + +func DuplicateTokenEx(hExistingToken syscall.Token, dwDesiredAccess uint32, lpTokenAttributes *syscall.SecurityAttributes, impersonationLevel uint32, tokenType TokenType, phNewToken *syscall.Token) (err error) { + r1, _, e1 := syscall.Syscall6(procDuplicateTokenEx.Addr(), 6, uintptr(hExistingToken), uintptr(dwDesiredAccess), uintptr(unsafe.Pointer(lpTokenAttributes)), uintptr(impersonationLevel), uintptr(tokenType), uintptr(unsafe.Pointer(phNewToken))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func ImpersonateSelf(impersonationlevel uint32) (err error) { + r1, _, e1 := syscall.Syscall(procImpersonateSelf.Addr(), 1, uintptr(impersonationlevel), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func LookupPrivilegeValue(systemname *uint16, name *uint16, luid *LUID) (err error) { + r1, _, e1 := syscall.Syscall(procLookupPrivilegeValueW.Addr(), 3, uintptr(unsafe.Pointer(systemname)), uintptr(unsafe.Pointer(name)), uintptr(unsafe.Pointer(luid))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func OpenThreadToken(h syscall.Handle, access uint32, openasself bool, token *syscall.Token) (err error) { + var _p0 uint32 + if openasself { + _p0 = 1 + } + r1, _, e1 := syscall.Syscall6(procOpenThreadToken.Addr(), 4, uintptr(h), uintptr(access), uintptr(_p0), uintptr(unsafe.Pointer(token)), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func RevertToSelf() (err error) { + r1, _, e1 := syscall.Syscall(procRevertToSelf.Addr(), 0, 0, 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func SetTokenInformation(tokenHandle syscall.Token, tokenInformationClass uint32, tokenInformation uintptr, tokenInformationLength uint32) (err error) { + r1, _, e1 := syscall.Syscall6(procSetTokenInformation.Addr(), 4, uintptr(tokenHandle), uintptr(tokenInformationClass), uintptr(tokenInformation), uintptr(tokenInformationLength), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func RtlGenRandom(buf []byte) (err error) { + var _p0 *byte + if len(buf) > 0 { + _p0 = &buf[0] + } + r1, _, e1 := syscall.Syscall(procSystemFunction036.Addr(), 2, uintptr(unsafe.Pointer(_p0)), uintptr(len(buf)), 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func GetAdaptersAddresses(family uint32, flags uint32, reserved uintptr, adapterAddresses *IpAdapterAddresses, sizePointer *uint32) (errcode error) { + r0, _, _ := syscall.Syscall6(procGetAdaptersAddresses.Addr(), 5, uintptr(family), uintptr(flags), uintptr(reserved), uintptr(unsafe.Pointer(adapterAddresses)), uintptr(unsafe.Pointer(sizePointer)), 0) + if r0 != 0 { + errcode = syscall.Errno(r0) + } + return +} + +func GetACP() (acp uint32) { + r0, _, _ := syscall.Syscall(procGetACP.Addr(), 0, 0, 0, 0) + acp = uint32(r0) + return +} + +func GetComputerNameEx(nameformat uint32, buf *uint16, n *uint32) (err error) { + r1, _, e1 := syscall.Syscall(procGetComputerNameExW.Addr(), 3, uintptr(nameformat), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(n))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func GetConsoleCP() (ccp uint32) { + r0, _, _ := syscall.Syscall(procGetConsoleCP.Addr(), 0, 0, 0, 0) + ccp = uint32(r0) + return +} + +func GetCurrentThread() (pseudoHandle syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall(procGetCurrentThread.Addr(), 0, 0, 0, 0) + pseudoHandle = syscall.Handle(r0) + if pseudoHandle == 0 { + err = errnoErr(e1) + } + return +} + +func GetFileInformationByHandleEx(handle syscall.Handle, class uint32, info *byte, bufsize uint32) (err error) { + r1, _, e1 := syscall.Syscall6(procGetFileInformationByHandleEx.Addr(), 4, uintptr(handle), uintptr(class), uintptr(unsafe.Pointer(info)), uintptr(bufsize), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func GetFinalPathNameByHandle(file syscall.Handle, filePath *uint16, filePathSize uint32, flags uint32) (n uint32, err error) { + r0, _, e1 := syscall.Syscall6(procGetFinalPathNameByHandleW.Addr(), 4, uintptr(file), uintptr(unsafe.Pointer(filePath)), uintptr(filePathSize), uintptr(flags), 0, 0) + n = uint32(r0) + if n == 0 { + err = errnoErr(e1) + } + return +} + +func GetModuleFileName(module syscall.Handle, fn *uint16, len uint32) (n uint32, err error) { + r0, _, e1 := syscall.Syscall(procGetModuleFileNameW.Addr(), 3, uintptr(module), uintptr(unsafe.Pointer(fn)), uintptr(len)) + n = uint32(r0) + if n == 0 { + err = errnoErr(e1) + } + return +} + +func LockFileEx(file syscall.Handle, flags uint32, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) { + r1, _, e1 := syscall.Syscall6(procLockFileEx.Addr(), 6, uintptr(file), uintptr(flags), uintptr(reserved), uintptr(bytesLow), uintptr(bytesHigh), uintptr(unsafe.Pointer(overlapped))) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func MoveFileEx(from *uint16, to *uint16, flags uint32) (err error) { + r1, _, e1 := syscall.Syscall(procMoveFileExW.Addr(), 3, uintptr(unsafe.Pointer(from)), uintptr(unsafe.Pointer(to)), uintptr(flags)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func MultiByteToWideChar(codePage uint32, dwFlags uint32, str *byte, nstr int32, wchar *uint16, nwchar int32) (nwrite int32, err error) { + r0, _, e1 := syscall.Syscall6(procMultiByteToWideChar.Addr(), 6, uintptr(codePage), uintptr(dwFlags), uintptr(unsafe.Pointer(str)), uintptr(nstr), uintptr(unsafe.Pointer(wchar)), uintptr(nwchar)) + nwrite = int32(r0) + if nwrite == 0 { + err = errnoErr(e1) + } + return +} + +func SetFileInformationByHandle(handle syscall.Handle, fileInformationClass uint32, buf uintptr, bufsize uint32) (err error) { + r1, _, e1 := syscall.Syscall6(procSetFileInformationByHandle.Addr(), 4, uintptr(handle), uintptr(fileInformationClass), uintptr(buf), uintptr(bufsize), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func UnlockFileEx(file syscall.Handle, reserved uint32, bytesLow uint32, bytesHigh uint32, overlapped *syscall.Overlapped) (err error) { + r1, _, e1 := syscall.Syscall6(procUnlockFileEx.Addr(), 5, uintptr(file), uintptr(reserved), uintptr(bytesLow), uintptr(bytesHigh), uintptr(unsafe.Pointer(overlapped)), 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func NetShareAdd(serverName *uint16, level uint32, buf *byte, parmErr *uint16) (neterr error) { + r0, _, _ := syscall.Syscall6(procNetShareAdd.Addr(), 4, uintptr(unsafe.Pointer(serverName)), uintptr(level), uintptr(unsafe.Pointer(buf)), uintptr(unsafe.Pointer(parmErr)), 0, 0) + if r0 != 0 { + neterr = syscall.Errno(r0) + } + return +} + +func NetShareDel(serverName *uint16, netName *uint16, reserved uint32) (neterr error) { + r0, _, _ := syscall.Syscall(procNetShareDel.Addr(), 3, uintptr(unsafe.Pointer(serverName)), uintptr(unsafe.Pointer(netName)), uintptr(reserved)) + if r0 != 0 { + neterr = syscall.Errno(r0) + } + return +} + +func NetUserGetLocalGroups(serverName *uint16, userName *uint16, level uint32, flags uint32, buf **byte, prefMaxLen uint32, entriesRead *uint32, totalEntries *uint32) (neterr error) { + r0, _, _ := syscall.Syscall9(procNetUserGetLocalGroups.Addr(), 8, uintptr(unsafe.Pointer(serverName)), uintptr(unsafe.Pointer(userName)), uintptr(level), uintptr(flags), uintptr(unsafe.Pointer(buf)), uintptr(prefMaxLen), uintptr(unsafe.Pointer(entriesRead)), uintptr(unsafe.Pointer(totalEntries)), 0) + if r0 != 0 { + neterr = syscall.Errno(r0) + } + return +} + +func GetProcessMemoryInfo(handle syscall.Handle, memCounters *PROCESS_MEMORY_COUNTERS, cb uint32) (err error) { + r1, _, e1 := syscall.Syscall(procGetProcessMemoryInfo.Addr(), 3, uintptr(handle), uintptr(unsafe.Pointer(memCounters)), uintptr(cb)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func CreateEnvironmentBlock(block **uint16, token syscall.Token, inheritExisting bool) (err error) { + var _p0 uint32 + if inheritExisting { + _p0 = 1 + } + r1, _, e1 := syscall.Syscall(procCreateEnvironmentBlock.Addr(), 3, uintptr(unsafe.Pointer(block)), uintptr(token), uintptr(_p0)) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func DestroyEnvironmentBlock(block *uint16) (err error) { + r1, _, e1 := syscall.Syscall(procDestroyEnvironmentBlock.Addr(), 1, uintptr(unsafe.Pointer(block)), 0, 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func GetProfilesDirectory(dir *uint16, dirLen *uint32) (err error) { + r1, _, e1 := syscall.Syscall(procGetProfilesDirectoryW.Addr(), 2, uintptr(unsafe.Pointer(dir)), uintptr(unsafe.Pointer(dirLen)), 0) + if r1 == 0 { + err = errnoErr(e1) + } + return +} + +func WSASocket(af int32, typ int32, protocol int32, protinfo *syscall.WSAProtocolInfo, group uint32, flags uint32) (handle syscall.Handle, err error) { + r0, _, e1 := syscall.Syscall6(procWSASocketW.Addr(), 6, uintptr(af), uintptr(typ), uintptr(protocol), uintptr(unsafe.Pointer(protinfo)), uintptr(group), uintptr(flags)) + handle = syscall.Handle(r0) + if handle == syscall.InvalidHandle { + err = errnoErr(e1) + } + return +} |