add hide policy to pattern filters

Disallowed files/dirs can be completly hidden. This may cause performance
issues for large directories

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino 2022-01-15 17:16:49 +01:00
parent 9b6b9cca3d
commit c3831de94e
No known key found for this signature in database
GPG key ID: 2F1FB59433D5A8CB
20 changed files with 358 additions and 139 deletions

View file

@ -242,7 +242,7 @@ func (c *BaseConnection) ListDir(virtualPath string) ([]os.FileInfo, error) {
c.Log(logger.LevelDebug, "error listing directory: %+v", err)
return nil, c.GetFsError(fs, err)
}
return c.User.AddVirtualDirs(files, virtualPath), nil
return c.User.FilterListDir(files, virtualPath), nil
}
// CheckParentDirs tries to create the specified directory and any missing parent dirs
@ -254,7 +254,7 @@ func (c *BaseConnection) CheckParentDirs(virtualPath string) error {
if fs.HasVirtualFolders() {
return nil
}
if _, err := c.DoStat(virtualPath, 0); !c.IsNotExistError(err) {
if _, err := c.DoStat(virtualPath, 0, false); !c.IsNotExistError(err) {
return err
}
dirs := util.GetDirsForVirtualPath(virtualPath)
@ -275,10 +275,15 @@ func (c *BaseConnection) CheckParentDirs(virtualPath string) error {
}
// CreateDir creates a new directory at the specified fsPath
func (c *BaseConnection) CreateDir(virtualPath string) error {
func (c *BaseConnection) CreateDir(virtualPath string, checkFilePatterns bool) error {
if !c.User.HasPerm(dataprovider.PermCreateDirs, path.Dir(virtualPath)) {
return c.GetPermissionDeniedError()
}
if checkFilePatterns {
if ok, _ := c.User.IsFileAllowed(virtualPath); !ok {
return c.GetPermissionDeniedError()
}
}
if c.User.IsVirtualFolder(virtualPath) {
c.Log(logger.LevelWarn, "mkdir not allowed %#v is a virtual folder", virtualPath)
return c.GetPermissionDeniedError()
@ -304,9 +309,9 @@ func (c *BaseConnection) IsRemoveFileAllowed(virtualPath string) error {
if !c.User.HasAnyPerm([]string{dataprovider.PermDeleteFiles, dataprovider.PermDelete}, path.Dir(virtualPath)) {
return c.GetPermissionDeniedError()
}
if !c.User.IsFileAllowed(virtualPath) {
if ok, policy := c.User.IsFileAllowed(virtualPath); !ok {
c.Log(logger.LevelDebug, "removing file %#v is not allowed", virtualPath)
return c.GetPermissionDeniedError()
return c.GetErrorForDeniedFile(policy)
}
return nil
}
@ -368,6 +373,10 @@ func (c *BaseConnection) IsRemoveDirAllowed(fs vfs.Fs, fsPath, virtualPath strin
if !c.User.HasAnyPerm([]string{dataprovider.PermDeleteDirs, dataprovider.PermDelete}, path.Dir(virtualPath)) {
return c.GetPermissionDeniedError()
}
if ok, policy := c.User.IsFileAllowed(virtualPath); !ok {
c.Log(logger.LevelDebug, "removing directory %#v is not allowed", virtualPath)
return c.GetErrorForDeniedFile(policy)
}
return nil
}
@ -488,16 +497,25 @@ func (c *BaseConnection) CreateSymlink(virtualSourcePath, virtualTargetPath stri
return c.GetFsError(fs, err)
}
if fs.GetRelativePath(fsSourcePath) == "/" {
c.Log(logger.LevelWarn, "symlinking root dir is not allowed")
c.Log(logger.LevelError, "symlinking root dir is not allowed")
return c.GetPermissionDeniedError()
}
if fs.GetRelativePath(fsTargetPath) == "/" {
c.Log(logger.LevelWarn, "symlinking to root dir is not allowed")
c.Log(logger.LevelError, "symlinking to root dir is not allowed")
return c.GetPermissionDeniedError()
}
if !c.User.HasPerm(dataprovider.PermCreateSymlinks, path.Dir(virtualTargetPath)) {
return c.GetPermissionDeniedError()
}
ok, policy := c.User.IsFileAllowed(virtualSourcePath)
if !ok && policy == sdk.DenyPolicyHide {
c.Log(logger.LevelError, "symlink source path %#v is not allowed", virtualSourcePath)
return c.GetNotExistError()
}
if ok, _ = c.User.IsFileAllowed(virtualTargetPath); !ok {
c.Log(logger.LevelError, "symlink target path %#v is not allowed", virtualTargetPath)
return c.GetPermissionDeniedError()
}
if err := fs.Symlink(fsSourcePath, fsTargetPath); err != nil {
c.Log(logger.LevelError, "failed to create symlink %#v -> %#v: %+v", fsSourcePath, fsTargetPath, err)
return c.GetFsError(fs, err)
@ -518,13 +536,19 @@ func (c *BaseConnection) getPathForSetStatPerms(fs vfs.Fs, fsPath, virtualPath s
}
// DoStat execute a Stat if mode = 0, Lstat if mode = 1
func (c *BaseConnection) DoStat(virtualPath string, mode int) (os.FileInfo, error) {
func (c *BaseConnection) DoStat(virtualPath string, mode int, checkFilePatterns bool) (os.FileInfo, error) {
// for some vfs we don't create intermediary folders so we cannot simply check
// if virtualPath is a virtual folder
vfolders := c.User.GetVirtualFoldersInPath(path.Dir(virtualPath))
if _, ok := vfolders[virtualPath]; ok {
return vfs.NewFileInfo(virtualPath, true, 0, time.Now(), false), nil
}
if checkFilePatterns {
ok, policy := c.User.IsFileAllowed(virtualPath)
if !ok && policy == sdk.DenyPolicyHide {
return nil, c.GetNotExistError()
}
}
var info os.FileInfo
@ -549,9 +573,9 @@ func (c *BaseConnection) DoStat(virtualPath string, mode int) (os.FileInfo, erro
}
func (c *BaseConnection) createDirIfMissing(name string) error {
_, err := c.DoStat(name, 0)
_, err := c.DoStat(name, 0, false)
if c.IsNotExistError(err) {
return c.CreateDir(name)
return c.CreateDir(name, false)
}
return err
}
@ -625,6 +649,9 @@ func (c *BaseConnection) handleChtimes(fs vfs.Fs, fsPath, pathForPerms string, a
// SetStat set StatAttributes for the specified fsPath
func (c *BaseConnection) SetStat(virtualPath string, attributes *StatAttributes) error {
if ok, policy := c.User.IsFileAllowed(virtualPath); !ok {
return c.GetErrorForDeniedFile(policy)
}
fs, fsPath, err := c.GetFsAndResolvedPath(virtualPath)
if err != nil {
return err
@ -799,13 +826,13 @@ func (c *BaseConnection) isRenamePermitted(fsSrc, fsDst vfs.Fs, fsSourcePath, fs
c.Log(logger.LevelWarn, "renaming a virtual folder is not allowed")
return false
}
if !c.User.IsFileAllowed(virtualSourcePath) || !c.User.IsFileAllowed(virtualTargetPath) {
if fi != nil && fi.Mode().IsRegular() {
c.Log(logger.LevelDebug, "renaming file is not allowed, source: %#v target: %#v",
virtualSourcePath, virtualTargetPath)
isSrcAllowed, _ := c.User.IsFileAllowed(virtualSourcePath)
isDstAllowed, _ := c.User.IsFileAllowed(virtualTargetPath)
if !isSrcAllowed || !isDstAllowed {
c.Log(logger.LevelDebug, "renaming source: %#v to target: %#v not allowed", virtualSourcePath,
virtualTargetPath)
return false
}
}
return c.hasRenamePerms(virtualSourcePath, virtualTargetPath, fi)
}
@ -1141,6 +1168,16 @@ func (c *BaseConnection) IsNotExistError(err error) bool {
}
}
// GetErrorForDeniedFile return permission denied or not exist error based on the specified policy
func (c *BaseConnection) GetErrorForDeniedFile(policy int) error {
switch policy {
case sdk.DenyPolicyHide:
return c.GetNotExistError()
default:
return c.GetPermissionDeniedError()
}
}
// GetPermissionDeniedError returns an appropriate permission denied error for the connection protocol
func (c *BaseConnection) GetPermissionDeniedError() error {
switch c.protocol {

View file

@ -482,6 +482,100 @@ func TestPermissionErrors(t *testing.T) {
assert.NoError(t, err)
}
func TestHiddenPatternFilter(t *testing.T) {
deniedDir := "/denied_hidden"
u := getTestUser()
u.Filters.FilePatterns = []sdk.PatternsFilter{
{
Path: deniedDir,
DeniedPatterns: []string{"*.txt", "beta*"},
DenyPolicy: sdk.DenyPolicyHide,
},
}
user, _, err := httpdtest.AddUser(u, http.StatusCreated)
assert.NoError(t, err)
dirName := "beta"
testFile := filepath.Join(u.GetHomeDir(), deniedDir, "file.txt")
testFile1 := filepath.Join(u.GetHomeDir(), deniedDir, "beta.txt")
err = os.MkdirAll(filepath.Join(u.GetHomeDir(), deniedDir), os.ModePerm)
assert.NoError(t, err)
err = os.WriteFile(testFile, testFileContent, os.ModePerm)
assert.NoError(t, err)
err = os.WriteFile(testFile1, testFileContent, os.ModePerm)
assert.NoError(t, err)
err = os.MkdirAll(filepath.Join(u.GetHomeDir(), deniedDir, dirName), os.ModePerm)
assert.NoError(t, err)
conn, client, err := getSftpClient(user)
if assert.NoError(t, err) {
defer conn.Close()
defer client.Close()
files, err := client.ReadDir(deniedDir)
assert.NoError(t, err)
assert.Len(t, files, 0)
err = client.Remove(path.Join(deniedDir, filepath.Base(testFile)))
assert.ErrorIs(t, err, os.ErrNotExist)
err = client.Chtimes(path.Join(deniedDir, filepath.Base(testFile)), time.Now(), time.Now())
assert.ErrorIs(t, err, os.ErrNotExist)
_, err = client.Stat(path.Join(deniedDir, filepath.Base(testFile1)))
assert.ErrorIs(t, err, os.ErrNotExist)
err = client.RemoveDirectory(path.Join(deniedDir, dirName))
assert.ErrorIs(t, err, os.ErrNotExist)
err = client.Rename(path.Join(deniedDir, dirName), path.Join(deniedDir, "newname"))
assert.ErrorIs(t, err, os.ErrPermission)
err = client.Mkdir(path.Join(deniedDir, "beta1"))
assert.ErrorIs(t, err, os.ErrPermission)
err = writeSFTPFile(path.Join(deniedDir, "afile.txt"), 1024, client)
assert.ErrorIs(t, err, os.ErrPermission)
err = client.Symlink(path.Join(deniedDir, dirName), dirName)
assert.ErrorIs(t, err, os.ErrNotExist)
err = writeSFTPFile(path.Join(deniedDir, testFileName), 1024, client)
assert.NoError(t, err)
err = client.Symlink(path.Join(deniedDir, testFileName), path.Join(deniedDir, "symlink.txt"))
assert.ErrorIs(t, err, os.ErrPermission)
files, err = client.ReadDir(deniedDir)
assert.NoError(t, err)
assert.Len(t, files, 1)
}
_, err = httpdtest.RemoveUser(user, http.StatusOK)
assert.NoError(t, err)
u.Filters.FilePatterns = []sdk.PatternsFilter{
{
Path: deniedDir,
DeniedPatterns: []string{"*.txt", "beta*"},
DenyPolicy: sdk.DenyPolicyDefault,
},
}
user, _, err = httpdtest.AddUser(u, http.StatusCreated)
assert.NoError(t, err)
conn, client, err = getSftpClient(user)
if assert.NoError(t, err) {
defer conn.Close()
defer client.Close()
files, err := client.ReadDir(deniedDir)
assert.NoError(t, err)
assert.Len(t, files, 4)
_, err = client.Stat(path.Join(deniedDir, filepath.Base(testFile)))
assert.NoError(t, err)
err = client.Chtimes(path.Join(deniedDir, filepath.Base(testFile)), time.Now(), time.Now())
assert.ErrorIs(t, err, os.ErrPermission)
err = client.Mkdir(path.Join(deniedDir, "beta2"))
assert.ErrorIs(t, err, os.ErrPermission)
err = writeSFTPFile(path.Join(deniedDir, "afile2.txt"), 1024, client)
assert.ErrorIs(t, err, os.ErrPermission)
err = client.Symlink(path.Join(deniedDir, testFileName), path.Join(deniedDir, "link.txt"))
assert.ErrorIs(t, err, os.ErrPermission)
}
_, err = httpdtest.RemoveUser(user, http.StatusOK)
assert.NoError(t, err)
err = os.RemoveAll(user.GetHomeDir())
assert.NoError(t, err)
}
func TestFileNotAllowedErrors(t *testing.T) {
deniedDir := "/denied"
u := getTestUser()
@ -503,9 +597,7 @@ func TestFileNotAllowedErrors(t *testing.T) {
err = os.WriteFile(testFile, testFileContent, os.ModePerm)
assert.NoError(t, err)
err = client.Remove(path.Join(deniedDir, "file.txt"))
// the sftp client will try to remove the path as directory after receiving
// a permission denied error, so we get a generic failure here
assert.Error(t, err)
assert.ErrorIs(t, err, os.ErrPermission)
err = client.Rename(path.Join(deniedDir, "file.txt"), path.Join(deniedDir, "file1.txt"))
assert.ErrorIs(t, err, os.ErrPermission)
}
@ -1946,9 +2038,10 @@ func TestDirs(t *testing.T) {
defer client.Close()
info, err := client.ReadDir("/")
if assert.NoError(t, err) {
assert.Len(t, info, 1)
if assert.Len(t, info, 1) {
assert.Equal(t, "path", info[0].Name())
}
}
fi, err := client.Stat(path.Dir(vdirPath))
if assert.NoError(t, err) {
assert.True(t, fi.IsDir())
@ -2061,7 +2154,7 @@ func TestResolvePathError(t *testing.T) {
testPath := "apath"
_, err := conn.ListDir(testPath)
assert.Error(t, err)
err = conn.CreateDir(testPath)
err = conn.CreateDir(testPath, true)
assert.Error(t, err)
err = conn.RemoveDir(testPath)
assert.Error(t, err)
@ -2069,7 +2162,7 @@ func TestResolvePathError(t *testing.T) {
assert.Error(t, err)
err = conn.CreateSymlink(testPath, testPath+".sym")
assert.Error(t, err)
_, err = conn.DoStat(testPath, 0)
_, err = conn.DoStat(testPath, 0, false)
assert.Error(t, err)
err = conn.SetStat(testPath, &common.StatAttributes{
Atime: time.Now(),

View file

@ -1691,6 +1691,9 @@ func validateFiltersPatternExtensions(user *User) error {
if len(f.AllowedPatterns) == 0 && len(f.DeniedPatterns) == 0 {
return util.NewValidationError(fmt.Sprintf("empty file patterns filter for path %#v", f.Path))
}
if f.DenyPolicy < sdk.DenyPolicyDefault || f.DenyPolicy > sdk.DenyPolicyHide {
return util.NewValidationError(fmt.Sprintf("invalid deny policy %v for path %#v", f.DenyPolicy, f.Path))
}
f.Path = cleanedPath
allowed := make([]string, 0, len(f.AllowedPatterns))
denied := make([]string, 0, len(f.DeniedPatterns))
@ -1708,8 +1711,8 @@ func validateFiltersPatternExtensions(user *User) error {
}
denied = append(denied, strings.ToLower(pattern))
}
f.AllowedPatterns = allowed
f.DeniedPatterns = denied
f.AllowedPatterns = util.RemoveDuplicates(allowed)
f.DeniedPatterns = util.RemoveDuplicates(denied)
filters = append(filters, f)
filteredPaths = append(filteredPaths, cleanedPath)
}

View file

@ -549,36 +549,55 @@ func (u *User) GetVirtualFoldersInPath(virtualPath string) map[string]bool {
return result
}
// AddVirtualDirs adds virtual folders, if defined, to the given files list
func (u *User) AddVirtualDirs(list []os.FileInfo, virtualPath string) []os.FileInfo {
if len(u.VirtualFolders) == 0 {
return list
// FilterListDir adds virtual folders and remove hidden items from the given files list
func (u *User) FilterListDir(dirContents []os.FileInfo, virtualPath string) []os.FileInfo {
filter := u.getPatternsFilterForPath(virtualPath)
if len(u.VirtualFolders) == 0 && filter.DenyPolicy != sdk.DenyPolicyHide {
return dirContents
}
vdirs := make(map[string]bool)
for dir := range u.GetVirtualFoldersInPath(virtualPath) {
vdirs[path.Base(dir)] = true
dirName := path.Base(dir)
if filter.DenyPolicy == sdk.DenyPolicyHide {
if !filter.CheckAllowed(dirName) {
continue
}
if len(vdirs) == 0 {
return list
}
vdirs[dirName] = true
}
for index := range list {
validIdx := 0
for index, fi := range dirContents {
for dir := range vdirs {
if list[index].Name() == dir {
if !list[index].IsDir() {
list[index] = vfs.NewFileInfo(dir, true, 0, time.Now(), false)
if fi.Name() == dir {
if !fi.IsDir() {
fi = vfs.NewFileInfo(dir, true, 0, time.Now(), false)
dirContents[index] = fi
}
delete(vdirs, dir)
}
}
if filter.DenyPolicy == sdk.DenyPolicyHide {
if filter.CheckAllowed(fi.Name()) {
dirContents[validIdx] = fi
validIdx++
}
}
}
if filter.DenyPolicy == sdk.DenyPolicyHide {
for idx := validIdx; idx < len(dirContents); idx++ {
dirContents[idx] = nil
}
dirContents = dirContents[:validIdx]
}
for dir := range vdirs {
fi := vfs.NewFileInfo(dir, true, 0, time.Now(), false)
list = append(list, fi)
dirContents = append(dirContents, fi)
}
return list
return dirContents
}
// IsMappedPath returns true if the specified filesystem path has a virtual folder mapping.
@ -801,29 +820,26 @@ func (u *User) GetFlatFilePatterns() []sdk.PatternsFilter {
result = append(result, sdk.PatternsFilter{
Path: pattern.Path,
AllowedPatterns: pattern.AllowedPatterns,
DenyPolicy: pattern.DenyPolicy,
})
}
if len(pattern.DeniedPatterns) > 0 {
result = append(result, sdk.PatternsFilter{
Path: pattern.Path,
DeniedPatterns: pattern.DeniedPatterns,
DenyPolicy: pattern.DenyPolicy,
})
}
}
return result
}
// IsFileAllowed returns true if the specified file is allowed by the file restrictions filters
func (u *User) IsFileAllowed(virtualPath string) bool {
return u.isFilePatternAllowed(virtualPath)
}
func (u *User) isFilePatternAllowed(virtualPath string) bool {
if len(u.Filters.FilePatterns) == 0 {
return true
}
dirsForPath := util.GetDirsForVirtualPath(path.Dir(virtualPath))
func (u *User) getPatternsFilterForPath(virtualPath string) sdk.PatternsFilter {
var filter sdk.PatternsFilter
if len(u.Filters.FilePatterns) == 0 {
return filter
}
dirsForPath := util.GetDirsForVirtualPath(virtualPath)
for _, dir := range dirsForPath {
for _, f := range u.Filters.FilePatterns {
if f.Path == dir {
@ -835,23 +851,14 @@ func (u *User) isFilePatternAllowed(virtualPath string) bool {
break
}
}
if filter.Path != "" {
toMatch := strings.ToLower(path.Base(virtualPath))
for _, denied := range filter.DeniedPatterns {
matched, err := path.Match(denied, toMatch)
if err != nil || matched {
return false
return filter
}
}
for _, allowed := range filter.AllowedPatterns {
matched, err := path.Match(allowed, toMatch)
if err == nil && matched {
return true
}
}
return len(filter.AllowedPatterns) == 0
}
return true
// IsFileAllowed returns true if the specified file is allowed by the file restrictions filters.
// The second parameter returned is the deny policy
func (u *User) IsFileAllowed(virtualPath string) (bool, int) {
filter := u.getPatternsFilterForPath(path.Dir(virtualPath))
return filter.CheckAllowed(path.Base(virtualPath)), filter.DenyPolicy
}
// CanManageMFA returns true if the user can add a multi-factor authentication configuration

View file

@ -83,7 +83,7 @@ func (c *Connection) Create(name string) (afero.File, error) {
func (c *Connection) Mkdir(name string, perm os.FileMode) error {
c.UpdateLastActivity()
return c.CreateDir(name)
return c.CreateDir(name, true)
}
// MkdirAll is not implemented, we don't need it
@ -145,7 +145,7 @@ func (c *Connection) Stat(name string) (os.FileInfo, error) {
return nil, c.GetPermissionDeniedError()
}
fi, err := c.DoStat(name, 0)
fi, err := c.DoStat(name, 0, true)
if err != nil {
return nil, err
}
@ -319,9 +319,9 @@ func (c *Connection) downloadFile(fs vfs.Fs, fsPath, ftpPath string, offset int6
return nil, c.GetPermissionDeniedError()
}
if !c.User.IsFileAllowed(ftpPath) {
if ok, policy := c.User.IsFileAllowed(ftpPath); !ok {
c.Log(logger.LevelWarn, "reading file %#v is not allowed", ftpPath)
return nil, c.GetPermissionDeniedError()
return nil, c.GetErrorForDeniedFile(policy)
}
if err := common.ExecutePreAction(c.BaseConnection, common.OperationPreDownload, fsPath, ftpPath, 0, 0); err != nil {
@ -344,7 +344,7 @@ func (c *Connection) downloadFile(fs vfs.Fs, fsPath, ftpPath string, offset int6
}
func (c *Connection) uploadFile(fs vfs.Fs, fsPath, ftpPath string, flags int) (ftpserver.FileTransfer, error) {
if !c.User.IsFileAllowed(ftpPath) {
if ok, _ := c.User.IsFileAllowed(ftpPath); !ok {
c.Log(logger.LevelWarn, "writing file %#v is not allowed", ftpPath)
return nil, ftpserver.ErrFileNameNotAllowed
}

10
go.mod
View file

@ -7,7 +7,7 @@ require (
github.com/Azure/azure-storage-blob-go v0.14.0
github.com/GehirnInc/crypt v0.0.0-20200316065508-bb7000b8a962
github.com/alexedwards/argon2id v0.0.0-20211130144151-3585854a6387
github.com/aws/aws-sdk-go v1.42.33
github.com/aws/aws-sdk-go v1.42.35
github.com/cockroachdb/cockroach-go/v2 v2.2.5
github.com/eikenb/pipeat v0.0.0-20210603033007-44fc3ffce52b
github.com/fclairamb/ftpserverlib v0.17.0
@ -39,7 +39,7 @@ require (
github.com/rs/cors v1.8.2
github.com/rs/xid v1.3.0
github.com/rs/zerolog v1.26.2-0.20211219225053-665519c4da50
github.com/sftpgo/sdk v0.0.0-20220110174344-ecf586dd8941
github.com/sftpgo/sdk v0.0.0-20220115154521-b31d253a0bea
github.com/shirou/gopsutil/v3 v3.21.13-0.20220106132423-a3ae4bc40d26
github.com/spf13/afero v1.8.0
github.com/spf13/cobra v1.3.0
@ -54,7 +54,7 @@ require (
gocloud.dev v0.24.0
golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3
golang.org/x/net v0.0.0-20220111093109-d55c255bac03
golang.org/x/sys v0.0.0-20220111092808-5a964db01320
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9
golang.org/x/time v0.0.0-20211116232009-f0f3c7e86c11
google.golang.org/api v0.65.0
gopkg.in/natefinch/lumberjack.v2 v2.0.0
@ -76,7 +76,7 @@ require (
github.com/fatih/color v1.13.0 // indirect
github.com/fsnotify/fsnotify v1.5.1 // indirect
github.com/go-ole/go-ole v1.2.6 // indirect
github.com/goccy/go-json v0.9.1 // indirect
github.com/goccy/go-json v0.9.3 // indirect
github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
github.com/golang/protobuf v1.5.2 // indirect
github.com/google/go-cmp v0.5.6 // indirect
@ -126,7 +126,7 @@ require (
golang.org/x/tools v0.1.8 // indirect
golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
google.golang.org/appengine v1.6.7 // indirect
google.golang.org/genproto v0.0.0-20220112215332-a9c7c0acf9f2 // indirect
google.golang.org/genproto v0.0.0-20220114231437-d2e6a121cae0 // indirect
google.golang.org/grpc v1.43.0 // indirect
google.golang.org/protobuf v1.27.1 // indirect
gopkg.in/ini.v1 v1.66.2 // indirect

18
go.sum
View file

@ -141,8 +141,8 @@ github.com/armon/go-radix v1.0.0/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgI
github.com/aws/aws-sdk-go v1.15.27/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZoCYDt7FT0=
github.com/aws/aws-sdk-go v1.37.0/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
github.com/aws/aws-sdk-go v1.40.34/go.mod h1:585smgzpB/KqRA+K3y/NL/oYRqQvpNJYvLm+LY1U59Q=
github.com/aws/aws-sdk-go v1.42.33 h1:YlwikF3suaqs6XXwCQAnQ1xDXv0olmYRqD4W+lXcfF8=
github.com/aws/aws-sdk-go v1.42.33/go.mod h1:OGr6lGMAKGlG9CVrYnWYDKIyb829c6EVBRjxqjmPepc=
github.com/aws/aws-sdk-go v1.42.35 h1:N4N9buNs4YlosI9N0+WYrq8cIZwdgv34yRbxzZlTvFs=
github.com/aws/aws-sdk-go v1.42.35/go.mod h1:OGr6lGMAKGlG9CVrYnWYDKIyb829c6EVBRjxqjmPepc=
github.com/aws/aws-sdk-go-v2 v1.9.0/go.mod h1:cK/D0BBs0b/oWPIcX/Z/obahJK1TT7IPVjy53i/mX/4=
github.com/aws/aws-sdk-go-v2/config v1.7.0/go.mod h1:w9+nMZ7soXCe5nT46Ri354SNhXDQ6v+V5wqDjnZE+GY=
github.com/aws/aws-sdk-go-v2/credentials v1.4.0/go.mod h1:dgGR+Qq7Wjcd4AOAW5Rf5Tnv3+x7ed6kETXyS9WCuAY=
@ -283,8 +283,9 @@ github.com/gobwas/httphead v0.0.0-20180130184737-2c6c146eadee/go.mod h1:L0fX3K22
github.com/gobwas/pool v0.2.0/go.mod h1:q8bcK0KcYlCgd9e7WYLm9LpyS+YeLd8JVDW6WezmKEw=
github.com/gobwas/ws v1.0.2/go.mod h1:szmBTxLgaFppYjEmNtny/v3w89xOydFnnZMcgRRu/EM=
github.com/goccy/go-json v0.7.6/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/goccy/go-json v0.9.1 h1:xurvfvj3gq6SWUkkZ0opoUDTms7jif41uZ9z9s+hVlY=
github.com/goccy/go-json v0.9.1/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/goccy/go-json v0.9.3 h1:VYKeLtdIQXWaeTZy5JNGZbVui5ck7Vf5MlWEcflqz0s=
github.com/goccy/go-json v0.9.3/go.mod h1:6MelG93GURQebXPDq3khkgXZkazVtN9CRI+MGFi0w8I=
github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
@ -688,8 +689,8 @@ github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdh
github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
github.com/secsy/goftp v0.0.0-20200609142545-aa2de14babf4 h1:PT+ElG/UUFMfqy5HrxJxNzj3QBOf7dZwupeVC+mG1Lo=
github.com/secsy/goftp v0.0.0-20200609142545-aa2de14babf4/go.mod h1:MnkX001NG75g3p8bhFycnyIjeQoOjGL6CEIsdE/nKSY=
github.com/sftpgo/sdk v0.0.0-20220110174344-ecf586dd8941 h1:CxKFDSYekL6+dOZ9rSglYGwcXyhM4Aki6yDsdiPlJ5Y=
github.com/sftpgo/sdk v0.0.0-20220110174344-ecf586dd8941/go.mod h1:Bhgac6kiwIziILXLzH4wepT8lQXyhF83poDXqZorN6Q=
github.com/sftpgo/sdk v0.0.0-20220115154521-b31d253a0bea h1:ouwL3x9tXiAXIhdXtJGONd905f1dBLu3HhfFoaTq24k=
github.com/sftpgo/sdk v0.0.0-20220115154521-b31d253a0bea/go.mod h1:Bhgac6kiwIziILXLzH4wepT8lQXyhF83poDXqZorN6Q=
github.com/shirou/gopsutil/v3 v3.21.13-0.20220106132423-a3ae4bc40d26 h1:nkvraEu1xs6D3AimiR9SkIOCG6lVvVZRfwbbQ7fX1DY=
github.com/shirou/gopsutil/v3 v3.21.13-0.20220106132423-a3ae4bc40d26/go.mod h1:BToYZVTlSVlfazpDDYFnsVZLaoRG+g8ufT6fPQLdJzA=
github.com/shopspring/decimal v0.0.0-20180709203117-cd690d0c9e24/go.mod h1:M+9NzErvs504Cn4c5DxATwIqPbtswREoFCre64PpcG4=
@ -942,8 +943,9 @@ golang.org/x/sys v0.0.0-20211124211545-fe61309f8881/go.mod h1:oPkhp1MJrh7nUepCBc
golang.org/x/sys v0.0.0-20211205182925-97ca703d548d/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211210111614-af8b64212486/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20211216021012-1d35b9e2eb4e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220111092808-5a964db01320 h1:0jf+tOCoZ3LyutmCOWpVni1chK4VfFLhRsDK7MhqGRY=
golang.org/x/sys v0.0.0-20220111092808-5a964db01320/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9 h1:XfKQ4OlFl8okEOr5UvAqFRVj8pY/4yfcXrddB8qAbU0=
golang.org/x/sys v0.0.0-20220114195835-da31bd327af9/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -1160,8 +1162,8 @@ google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa/go.mod h1:5CzLGKJ6
google.golang.org/genproto v0.0.0-20211221195035-429b39de9b1c/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20211223182754-3ac035c7e7cb/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20220107163113-42d7afdf6368/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20220112215332-a9c7c0acf9f2 h1:z+R4M/SuyaRsj1zu3WC+nIQyfSrSIpuDcY01/R3uCtg=
google.golang.org/genproto v0.0.0-20220112215332-a9c7c0acf9f2/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/genproto v0.0.0-20220114231437-d2e6a121cae0 h1:aCsSLXylHWFno0r4S3joLpiaWayvqd2Mn4iSvx4WZZc=
google.golang.org/genproto v0.0.0-20220114231437-d2e6a121cae0/go.mod h1:5CzLGKJ67TSI2B9POpiiyGha0AjJvZIUgRMt1dSmuhc=
google.golang.org/grpc v1.8.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmEdcZw=
google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=

View file

@ -92,7 +92,7 @@ func createUserDir(w http.ResponseWriter, r *http.Request) {
return
}
}
err = connection.CreateDir(name)
err = connection.CreateDir(name, true)
if err != nil {
sendAPIResponse(w, r, err, fmt.Sprintf("Unable to create directory %#v", name), getMappedStatusCode(err))
return

View file

@ -66,7 +66,7 @@ func (c *Connection) Stat(name string, mode int) (os.FileInfo, error) {
return nil, c.GetPermissionDeniedError()
}
fi, err := c.DoStat(name, mode)
fi, err := c.DoStat(name, mode, true)
if err != nil {
return nil, err
}
@ -89,9 +89,9 @@ func (c *Connection) getFileReader(name string, offset int64, method string) (io
return nil, c.GetPermissionDeniedError()
}
if !c.User.IsFileAllowed(name) {
if ok, policy := c.User.IsFileAllowed(name); !ok {
c.Log(logger.LevelWarn, "reading file %#v is not allowed", name)
return nil, c.GetPermissionDeniedError()
return nil, c.GetErrorForDeniedFile(policy)
}
fs, p, err := c.GetFsAndResolvedPath(name)
@ -120,7 +120,7 @@ func (c *Connection) getFileReader(name string, offset int64, method string) (io
func (c *Connection) getFileWriter(name string) (io.WriteCloser, error) {
c.UpdateLastActivity()
if !c.User.IsFileAllowed(name) {
if ok, _ := c.User.IsFileAllowed(name); !ok {
c.Log(logger.LevelWarn, "writing file %#v is not allowed", name)
return nil, c.GetPermissionDeniedError()
}

View file

@ -1482,6 +1482,15 @@ func TestAddUserInvalidFilters(t *testing.T) {
}
_, _, err = httpdtest.AddUser(u, http.StatusBadRequest)
assert.NoError(t, err)
u.Filters.FilePatterns = []sdk.PatternsFilter{
{
Path: "/subdir",
AllowedPatterns: []string{"*.*"},
DenyPolicy: 100,
},
}
_, _, err = httpdtest.AddUser(u, http.StatusBadRequest)
assert.NoError(t, err)
u.Filters.DeniedProtocols = []string{"invalid"}
_, _, err = httpdtest.AddUser(u, http.StatusBadRequest)
assert.NoError(t, err)
@ -2087,6 +2096,7 @@ func TestUpdateUser(t *testing.T) {
Path: "/subdir",
AllowedPatterns: []string{"*.zip", "*.rar"},
DeniedPatterns: []string{"*.jpg", "*.png"},
DenyPolicy: sdk.DenyPolicyHide,
})
user.Filters.MaxUploadFileSize = 4096
user.UploadBandwidth = 1024
@ -13061,6 +13071,7 @@ func TestWebUserAddMock(t *testing.T) {
form.Set("pattern_path0", "/dir2")
form.Set("patterns0", "*.jpg,*.png")
form.Set("pattern_type0", "allowed")
form.Set("pattern_policy0", "1")
form.Set("pattern_path1", "/dir1")
form.Set("patterns1", "*.png")
form.Set("pattern_type1", "allowed")
@ -13294,23 +13305,25 @@ func TestWebUserAddMock(t *testing.T) {
}
assert.Len(t, newUser.Filters.FilePatterns, 3)
for _, filter := range newUser.Filters.FilePatterns {
if filter.Path == "/dir1" {
switch filter.Path {
case "/dir1":
assert.Len(t, filter.DeniedPatterns, 1)
assert.Len(t, filter.AllowedPatterns, 1)
assert.True(t, util.IsStringInSlice("*.png", filter.AllowedPatterns))
assert.True(t, util.IsStringInSlice("*.zip", filter.DeniedPatterns))
}
if filter.Path == "/dir2" {
assert.Equal(t, sdk.DenyPolicyDefault, filter.DenyPolicy)
case "/dir2":
assert.Len(t, filter.DeniedPatterns, 1)
assert.Len(t, filter.AllowedPatterns, 2)
assert.True(t, util.IsStringInSlice("*.jpg", filter.AllowedPatterns))
assert.True(t, util.IsStringInSlice("*.png", filter.AllowedPatterns))
assert.True(t, util.IsStringInSlice("*.mkv", filter.DeniedPatterns))
}
if filter.Path == "/dir3" {
assert.Equal(t, sdk.DenyPolicyHide, filter.DenyPolicy)
case "/dir3":
assert.Len(t, filter.DeniedPatterns, 1)
assert.Len(t, filter.AllowedPatterns, 0)
assert.True(t, util.IsStringInSlice("*.rar", filter.DeniedPatterns))
assert.Equal(t, sdk.DenyPolicyDefault, filter.DenyPolicy)
}
}
if assert.Len(t, newUser.Filters.BandwidthLimits, 2) {
@ -14140,9 +14153,11 @@ func TestWebUserS3Mock(t *testing.T) {
form.Set("pattern_path0", "/dir1")
form.Set("patterns0", "*.jpg,*.png")
form.Set("pattern_type0", "allowed")
form.Set("pattern_policy0", "0")
form.Set("pattern_path1", "/dir2")
form.Set("patterns1", "*.zip")
form.Set("pattern_type1", "denied")
form.Set("pattern_policy1", "1")
form.Set("max_upload_file_size", "0")
form.Set("s3_force_path_style", "checked")
form.Set("description", user.Description)
@ -14221,7 +14236,16 @@ func TestWebUserS3Mock(t *testing.T) {
assert.Equal(t, updateUser.FsConfig.S3Config.DownloadPartSize, user.FsConfig.S3Config.DownloadPartSize)
assert.Equal(t, updateUser.FsConfig.S3Config.DownloadConcurrency, user.FsConfig.S3Config.DownloadConcurrency)
assert.True(t, updateUser.FsConfig.S3Config.ForcePathStyle)
assert.Equal(t, 2, len(updateUser.Filters.FilePatterns))
if assert.Equal(t, 2, len(updateUser.Filters.FilePatterns)) {
for _, filter := range updateUser.Filters.FilePatterns {
switch filter.Path {
case "/dir1":
assert.Equal(t, sdk.DenyPolicyDefault, filter.DenyPolicy)
case "/dir2":
assert.Equal(t, sdk.DenyPolicyHide, filter.DenyPolicy)
}
}
}
assert.Equal(t, sdkkms.SecretStatusSecretBox, updateUser.FsConfig.S3Config.AccessSecret.GetStatus())
assert.NotEmpty(t, updateUser.FsConfig.S3Config.AccessSecret.GetPayload())
assert.Empty(t, updateUser.FsConfig.S3Config.AccessSecret.GetKey())

View file

@ -797,11 +797,20 @@ func getBandwidthLimitsFromPostFields(r *http.Request) ([]sdk.BandwidthLimit, er
return result, nil
}
func getPatterDenyPolicyFromString(policy string) int {
denyPolicy := sdk.DenyPolicyDefault
if policy == "1" {
denyPolicy = sdk.DenyPolicyHide
}
return denyPolicy
}
func getFilePatternsFromPostField(r *http.Request) []sdk.PatternsFilter {
var result []sdk.PatternsFilter
allowedPatterns := make(map[string][]string)
deniedPatterns := make(map[string][]string)
patternPolicies := make(map[string]string)
for k := range r.Form {
if strings.HasPrefix(k, "pattern_path") {
@ -810,12 +819,16 @@ func getFilePatternsFromPostField(r *http.Request) []sdk.PatternsFilter {
filters := strings.TrimSpace(r.Form.Get(fmt.Sprintf("patterns%v", idx)))
filters = strings.ReplaceAll(filters, " ", "")
patternType := r.Form.Get(fmt.Sprintf("pattern_type%v", idx))
patternPolicy := r.Form.Get(fmt.Sprintf("pattern_policy%v", idx))
if p != "" && filters != "" {
if patternType == "allowed" {
allowedPatterns[p] = append(allowedPatterns[p], strings.Split(filters, ",")...)
} else {
deniedPatterns[p] = append(deniedPatterns[p], strings.Split(filters, ",")...)
}
if patternPolicy != "" && patternPolicy != "0" {
patternPolicies[p] = patternPolicy
}
}
}
}
@ -823,11 +836,12 @@ func getFilePatternsFromPostField(r *http.Request) []sdk.PatternsFilter {
for dirAllowed, allowPatterns := range allowedPatterns {
filter := sdk.PatternsFilter{
Path: dirAllowed,
AllowedPatterns: util.RemoveDuplicates(allowPatterns),
AllowedPatterns: allowPatterns,
DenyPolicy: getPatterDenyPolicyFromString(patternPolicies[dirAllowed]),
}
for dirDenied, denPatterns := range deniedPatterns {
if dirAllowed == dirDenied {
filter.DeniedPatterns = util.RemoveDuplicates(denPatterns)
filter.DeniedPatterns = denPatterns
break
}
}
@ -845,6 +859,7 @@ func getFilePatternsFromPostField(r *http.Request) []sdk.PatternsFilter {
result = append(result, sdk.PatternsFilter{
Path: dirDenied,
DeniedPatterns: denPatterns,
DenyPolicy: getPatterDenyPolicyFromString(patternPolicies[dirDenied]),
})
}
}

View file

@ -1542,7 +1542,7 @@ func compareUserFilePatternsFilters(expected *dataprovider.User, actual *datapro
for _, f := range expected.Filters.FilePatterns {
found := false
for _, f1 := range actual.Filters.FilePatterns {
if path.Clean(f.Path) == path.Clean(f1.Path) {
if path.Clean(f.Path) == path.Clean(f1.Path) && f.DenyPolicy == f1.DenyPolicy {
if !checkFilterMatch(f.AllowedPatterns, f1.AllowedPatterns) ||
!checkFilterMatch(f.DeniedPatterns, f1.DeniedPatterns) {
return errors.New("file patterns contents mismatch")

View file

@ -4373,7 +4373,7 @@ components:
type: array
items:
type: string
description: 'list of, case insensitive, allowed shell like file patterns.'
description: 'list of, case insensitive, allowed shell like patterns.'
example:
- '*.jpg'
- a*b?.png
@ -4381,9 +4381,18 @@ components:
type: array
items:
type: string
description: 'list of, case insensitive, denied shell like file patterns. Denied patterns are evaluated before the allowed ones'
description: 'list of, case insensitive, denied shell like patterns. Denied patterns are evaluated before the allowed ones'
example:
- '*.zip'
deny_policy:
type: integer
enum:
- 0
- 1
description: |
Deny policies
* `0` - default policy. Denied files/directories matching the filters are visible in directory listing but cannot be uploaded/downloaded/overwritten/renamed
* `1` - deny policy hide. This policy applies the same restrictions as the default one and denied files/directories matching the filters will also be hidden in directory listing. This mode may cause performance issues for large directories
HooksFilter:
type: object
properties:

View file

@ -63,9 +63,9 @@ func (c *Connection) Fileread(request *sftp.Request) (io.ReaderAt, error) {
return nil, sftp.ErrSSHFxPermissionDenied
}
if !c.User.IsFileAllowed(request.Filepath) {
if ok, policy := c.User.IsFileAllowed(request.Filepath); !ok {
c.Log(logger.LevelWarn, "reading file %#v is not allowed", request.Filepath)
return nil, sftp.ErrSSHFxPermissionDenied
return nil, c.GetErrorForDeniedFile(policy)
}
fs, p, err := c.GetFsAndResolvedPath(request.Filepath)
@ -104,9 +104,9 @@ func (c *Connection) Filewrite(request *sftp.Request) (io.WriterAt, error) {
func (c *Connection) handleFilewrite(request *sftp.Request) (sftp.WriterAtReaderAt, error) {
c.UpdateLastActivity()
if !c.User.IsFileAllowed(request.Filepath) {
if ok, _ := c.User.IsFileAllowed(request.Filepath); !ok {
c.Log(logger.LevelWarn, "writing file %#v is not allowed", request.Filepath)
return nil, sftp.ErrSSHFxPermissionDenied
return nil, c.GetPermissionDeniedError()
}
fs, p, err := c.GetFsAndResolvedPath(request.Filepath)
@ -175,7 +175,7 @@ func (c *Connection) Filecmd(request *sftp.Request) error {
case "Rmdir":
return c.RemoveDir(request.Filepath)
case "Mkdir":
err := c.CreateDir(request.Filepath)
err := c.CreateDir(request.Filepath, true)
if err != nil {
return err
}
@ -214,7 +214,7 @@ func (c *Connection) Filelist(request *sftp.Request) (sftp.ListerAt, error) {
return nil, sftp.ErrSSHFxPermissionDenied
}
s, err := c.DoStat(request.Filepath, 0)
s, err := c.DoStat(request.Filepath, 0, true)
if err != nil {
return nil, err
}
@ -255,7 +255,7 @@ func (c *Connection) Lstat(request *sftp.Request) (sftp.ListerAt, error) {
return nil, sftp.ErrSSHFxPermissionDenied
}
s, err := c.DoStat(request.Filepath, 1)
s, err := c.DoStat(request.Filepath, 1, true)
if err != nil {
return nil, err
}

View file

@ -148,7 +148,7 @@ func (c *scpCommand) handleCreateDir(fs vfs.Fs, dirPath string) error {
return common.ErrPermissionDenied
}
info, err := c.connection.DoStat(dirPath, 1)
info, err := c.connection.DoStat(dirPath, 1, true)
if err == nil && info.IsDir() {
return nil
}
@ -276,9 +276,9 @@ func (c *scpCommand) handleUpload(uploadFilePath string, sizeToRead int64) error
return err
}
if !c.connection.User.IsFileAllowed(uploadFilePath) {
if ok, _ := c.connection.User.IsFileAllowed(uploadFilePath); !ok {
c.connection.Log(logger.LevelWarn, "writing file %#v is not allowed", uploadFilePath)
c.sendErrorMessage(fs, common.ErrPermissionDenied)
c.sendErrorMessage(fs, c.connection.GetPermissionDeniedError())
return common.ErrPermissionDenied
}
@ -372,7 +372,7 @@ func (c *scpCommand) handleRecursiveDownload(fs vfs.Fs, dirPath, virtualPath str
c.sendErrorMessage(fs, err)
return err
}
files = c.connection.User.AddVirtualDirs(files, fs.GetRelativePath(dirPath))
files = c.connection.User.FilterListDir(files, fs.GetRelativePath(dirPath))
var dirs []string
for _, file := range files {
filePath := fs.GetRelativePath(fs.Join(dirPath, file.Name()))
@ -509,9 +509,9 @@ func (c *scpCommand) handleDownload(filePath string) error {
return common.ErrPermissionDenied
}
if !c.connection.User.IsFileAllowed(filePath) {
if ok, policy := c.connection.User.IsFileAllowed(filePath); !ok {
c.connection.Log(logger.LevelWarn, "reading file %#v is not allowed", filePath)
c.sendErrorMessage(fs, common.ErrPermissionDenied)
c.sendErrorMessage(fs, c.connection.GetErrorForDeniedFile(policy))
return common.ErrPermissionDenied
}

View file

@ -7423,9 +7423,12 @@ func TestFilterFilePatterns(t *testing.T) {
},
}
user.Filters = filters
assert.True(t, user.IsFileAllowed("/test/test.jPg"))
assert.False(t, user.IsFileAllowed("/test/test.pdf"))
assert.True(t, user.IsFileAllowed("/test.pDf"))
ok, _ := user.IsFileAllowed("/test/test.jPg")
assert.True(t, ok)
ok, _ = user.IsFileAllowed("/test/test.pdf")
assert.False(t, ok)
ok, _ = user.IsFileAllowed("/test.pDf")
assert.True(t, ok)
filters.FilePatterns = append(filters.FilePatterns, sdk.PatternsFilter{
Path: "/",
@ -7433,19 +7436,26 @@ func TestFilterFilePatterns(t *testing.T) {
DeniedPatterns: []string{"*.gz"},
})
user.Filters = filters
assert.False(t, user.IsFileAllowed("/test1/test.gz"))
assert.True(t, user.IsFileAllowed("/test1/test.zip"))
assert.False(t, user.IsFileAllowed("/test/sub/test.pdf"))
assert.False(t, user.IsFileAllowed("/test1/test.png"))
ok, _ = user.IsFileAllowed("/test1/test.gz")
assert.False(t, ok)
ok, _ = user.IsFileAllowed("/test1/test.zip")
assert.True(t, ok)
ok, _ = user.IsFileAllowed("/test/sub/test.pdf")
assert.False(t, ok)
ok, _ = user.IsFileAllowed("/test1/test.png")
assert.False(t, ok)
filters.FilePatterns = append(filters.FilePatterns, sdk.PatternsFilter{
Path: "/test/sub",
DeniedPatterns: []string{"*.tar"},
})
user.Filters = filters
assert.False(t, user.IsFileAllowed("/test/sub/sub/test.tar"))
assert.True(t, user.IsFileAllowed("/test/sub/test.gz"))
assert.False(t, user.IsFileAllowed("/test/test.zip"))
ok, _ = user.IsFileAllowed("/test/sub/sub/test.tar")
assert.False(t, ok)
ok, _ = user.IsFileAllowed("/test/sub/test.gz")
assert.True(t, ok)
ok, _ = user.IsFileAllowed("/test/test.zip")
assert.False(t, ok)
}
func TestUserAllowedLoginMethods(t *testing.T) {

View file

@ -161,7 +161,7 @@ func (c *sshCommand) handleSFTPGoCopy() error {
return c.sendErrorResponse(err)
}
} else if fi.Mode().IsRegular() {
if !c.connection.User.IsFileAllowed(sshDestPath) {
if ok, _ := c.connection.User.IsFileAllowed(sshDestPath); !ok {
err := errors.New("unsupported copy destination: this file is not allowed")
return c.sendErrorResponse(err)
}
@ -282,9 +282,9 @@ func (c *sshCommand) handleHashCommands() error {
response = fmt.Sprintf("%x -\n", h.Sum(nil))
} else {
sshPath := c.getDestPath()
if !c.connection.User.IsFileAllowed(sshPath) {
if ok, policy := c.connection.User.IsFileAllowed(sshPath); !ok {
c.connection.Log(logger.LevelInfo, "hash not allowed for file %#v", sshPath)
return c.sendErrorResponse(c.connection.GetPermissionDeniedError())
return c.sendErrorResponse(c.connection.GetErrorForDeniedFile(policy))
}
fs, fsPath, err := c.connection.GetFsAndResolvedPath(sshPath)
if err != nil {

View file

@ -385,18 +385,19 @@
<div class="card bg-light mb-3">
<div class="card-header">
<b>Per-directory file patterns</b>
<b>Per-directory pattern restrictions</b>
</div>
<div class="card-body">
<h6 class="card-title mb-4">Comma separated denied or allowed files, based on shell patterns</h6>
<h6 class="card-title mb-4">Comma separated denied or allowed files/directories, based on shell patterns.</h6>
<p class="card-text">Denied entries are visible in directory listing by default, you can hide them by setting the "Hidden" policy, but please be aware that this may cause performance issues for large directories</p>
<div class="form-group row">
<div class="col-md-12 form_field_patterns_outer">
{{range $idx, $pattern := .User.GetFlatFilePatterns -}}
<div class="row form_field_patterns_outer_row">
<div class="form-group col-md-4">
<div class="form-group col-md-3">
<input type="text" class="form-control" id="idPatternPath{{$idx}}" name="pattern_path{{$idx}}" placeholder="directory path, i.e. /dir" value="{{$pattern.Path}}" maxlength="255">
</div>
<div class="form-group col-md-5">
<div class="form-group col-md-4">
<input type="text" class="form-control" id="idPatterns{{$idx}}" name="patterns{{$idx}}" placeholder="*.zip,?.txt" value="{{$pattern.GetCommaSeparatedPatterns}}" maxlength="255">
</div>
<div class="form-group col-md-2">
@ -405,6 +406,12 @@
<option value="allowed" {{if $pattern.IsAllowed}}selected{{end}}>Allowed</option>
</select>
</div>
<div class="form-group col-md-2">
<select class="form-control" id="idPatternPolicy{{$idx}}" name="pattern_policy{{$idx}}">
<option value="0" {{if eq $pattern.DenyPolicy 0}}selected{{end}}>Visible</option>
<option value="1" {{if eq $pattern.DenyPolicy 1}}selected{{end}}>Hidden</option>
</select>
</div>
<div class="form-group col-md-1">
<button class="btn btn-circle btn-danger remove_pattern_btn_frm_field">
<i class="fas fa-trash"></i>
@ -413,10 +420,10 @@
</div>
{{else}}
<div class="row form_field_patterns_outer_row">
<div class="form-group col-md-4">
<div class="form-group col-md-3">
<input type="text" class="form-control" id="idPatternPath0" name="pattern_path0" placeholder="directory path, i.e. /dir" value="" maxlength="255">
</div>
<div class="form-group col-md-5">
<div class="form-group col-md-4">
<input type="text" class="form-control" id="idPatterns0" name="patterns0" placeholder="*.zip,?.txt" value="" maxlength="255">
</div>
<div class="form-group col-md-2">
@ -425,6 +432,12 @@
<option value="allowed">Allowed</option>
</select>
</div>
<div class="form-group col-md-2">
<select class="form-control" id="idPatternPolicy0" name="pattern_policy0">
<option value="0">Visible</option>
<option value="1">Hidden</option>
</select>
</div>
<div class="form-group col-md-1">
<button class="btn btn-circle btn-danger remove_pattern_btn_frm_field">
<i class="fas fa-trash"></i>
@ -956,10 +969,10 @@
}
$(".form_field_patterns_outer").append(`
<div class="row form_field_patterns_outer_row">
<div class="form-group col-md-4">
<div class="form-group col-md-3">
<input type="text" class="form-control" id="idPatternPath${index}" name="pattern_path${index}" placeholder="directory path, i.e. /dir" value="" maxlength="255">
</div>
<div class="form-group col-md-5">
<div class="form-group col-md-4">
<input type="text" class="form-control" id="idPatterns${index}" name="patterns${index}" placeholder="*.zip,?.txt" value="" maxlength="255">
</div>
<div class="form-group col-md-2">
@ -968,6 +981,12 @@
<option value="allowed">Allowed</option>
</select>
</div>
<div class="form-group col-md-2">
<select class="form-control" id="idPatternPolicy${index}" name="pattern_policy${index}">
<option value="0">Visible</option>
<option value="1">Hidden</option>
</select>
</div>
<div class="form-group col-md-1">
<button class="btn btn-circle btn-danger remove_pattern_btn_frm_field">
<i class="fas fa-trash"></i>

View file

@ -143,9 +143,9 @@ func (f *webDavFile) Read(p []byte) (n int, err error) {
return 0, f.Connection.GetPermissionDeniedError()
}
if !f.Connection.User.IsFileAllowed(f.GetVirtualPath()) {
if ok, policy := f.Connection.User.IsFileAllowed(f.GetVirtualPath()); !ok {
f.Connection.Log(logger.LevelWarn, "reading file %#v is not allowed", f.GetVirtualPath())
return 0, f.Connection.GetPermissionDeniedError()
return 0, f.Connection.GetErrorForDeniedFile(policy)
}
err := common.ExecutePreAction(f.Connection, common.OperationPreDownload, f.GetFsPath(), f.GetVirtualPath(), 0, 0)
if err != nil {

View file

@ -62,7 +62,7 @@ func (c *Connection) Mkdir(ctx context.Context, name string, perm os.FileMode) e
c.UpdateLastActivity()
name = util.CleanPath(name)
return c.CreateDir(name)
return c.CreateDir(name, true)
}
// Rename renames a file or a directory
@ -85,7 +85,7 @@ func (c *Connection) Stat(ctx context.Context, name string) (os.FileInfo, error)
return nil, c.GetPermissionDeniedError()
}
fi, err := c.DoStat(name, 0)
fi, err := c.DoStat(name, 0, true)
if err != nil {
return nil, err
}
@ -156,7 +156,7 @@ func (c *Connection) getFile(fs vfs.Fs, fsPath, virtualPath string) (webdav.File
}
func (c *Connection) putFile(fs vfs.Fs, fsPath, virtualPath string) (webdav.File, error) {
if !c.User.IsFileAllowed(virtualPath) {
if ok, _ := c.User.IsFileAllowed(virtualPath); !ok {
c.Log(logger.LevelWarn, "writing file %#v is not allowed", virtualPath)
return nil, c.GetPermissionDeniedError()
}