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ftpd: fix wildcards handling for backend with virtual dirs

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Fixes #915

Signed-off-by: Nicola Murino <nicola.murino@gmail.com>
This commit is contained in:
Nicola Murino 2022-07-12 12:04:01 +02:00
parent 20e8cb898a
commit 8fc4971df1
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GPG key ID: 2F1FB59433D5A8CB
1 changed files with 16 additions and 16 deletions
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32
ftpd/handler.go
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@ -27,7 +27,8 @@ var (
// It implements common.ActiveConnection and ftpserver.ClientDriver interfaces
type Connection struct {
*common.BaseConnection
clientContext ftpserver.ClientContext
clientContext ftpserver.ClientContext
doWildcardListDir bool
}
func (c *Connection) getFTPMode() string {
@ -140,6 +141,7 @@ func (c *Connection) Rename(oldname, newname string) error {
// if any happens
func (c *Connection) Stat(name string) (os.FileInfo, error) {
c.UpdateLastActivity()
c.doWildcardListDir = false
if !c.User.HasPerm(dataprovider.PermListItems, path.Dir(name)) {
return nil, c.GetPermissionDeniedError()
@ -147,7 +149,8 @@ func (c *Connection) Stat(name string) (os.FileInfo, error) {
fi, err := c.DoStat(name, 0, true)
if err != nil {
if c.isListDirWithWildcards(path.Base(name), os.ErrNotExist) {
if c.isListDirWithWildcards(path.Base(name)) {
c.doWildcardListDir = true
return vfs.NewFileInfo(name, true, 0, time.Now(), false), nil
}
return nil, err
@ -277,17 +280,16 @@ func (c *Connection) Symlink(oldname, newname string) error {
func (c *Connection) ReadDir(name string) ([]os.FileInfo, error) {
c.UpdateLastActivity()
files, err := c.ListDir(name)
if err != nil {
if c.doWildcardListDir {
c.doWildcardListDir = false
baseName := path.Base(name)
if c.isListDirWithWildcards(baseName, err) {
// we only support wildcards for the last path level, for example:
// - *.xml is supported
// - dir*/*.xml is not supported
return c.getListDirWithWildcards(path.Dir(name), baseName)
}
// we only support wildcards for the last path level, for example:
// - *.xml is supported
// - dir*/*.xml is not supported
return c.getListDirWithWildcards(path.Dir(name), baseName)
}
return files, err
return c.ListDir(name)
}
// GetHandle implements ClientDriverExtentionFileTransfer
@ -510,12 +512,10 @@ func (c *Connection) getListDirWithWildcards(dirName, pattern string) ([]os.File
return files[:validIdx], nil
}
func (c *Connection) isListDirWithWildcards(name string, err error) bool {
if errors.Is(err, c.GetNotExistError()) {
func (c *Connection) isListDirWithWildcards(name string) bool {
if strings.ContainsAny(name, "*?[]") {
lastCommand := c.clientContext.GetLastCommand()
if lastCommand == "LIST" || lastCommand == "NLST" {
return strings.ContainsAny(name, "*?[]")
}
return lastCommand == "LIST" || lastCommand == "NLST"
}
return false
}