[Proftpd-user] FEAT regression?

Hi, not sure this is a bug or not....
I started using proftpd on debian and encountered encoding issues....
Characters were not handled correctly e.g. a directory names or files
containing an 'ü'

When i tried to find information about this i came across the FEAT command
with the respective RFC and that there was a bug in 2006... (RFC-2389
("Feature negotiation mechanism for the File Transfer Protocol"))
http://bugs.proftpd.org/show_bug.cgi?id=2752#c0

This might be the same issue as back then.

Appreciate help to get to the bottom of this. (even though i can force utf8
in filezilla which seems to be a workaround)

When i send the command FEAT i get the following:
Command: FEAT
Response: 211-Features:
Response: 211-AUTH TLS
Response: 211-CCC
Response: 211-CLNT
Response: 211-EPRT
Response: 211-EPSV
Response: 211-HOST
Response: 211-LANG fr-FR.UTF-8;fr-FR;zh-TW.UTF-8;zh-TW
Response: 211-MDTM
Response: 211-MFF modify;UNIX.group;UNIX.mode;
Response: 211-MFMT
Response: 211-MLST
modify*;perm*;size*;type*;unique*;UNIX.group*;UNIX.groupname*;UNIX.mode*;UNIX.owner*;UNIX.ownername*;
Response: 211-PBSZ
Response: 211-PROT
Response: 211-REST STREAM
Response: 211-SITE COPY
Response: 211-SITE MKDIR
Response: 211-SITE RMDIR
Response: 211-SITE SYMLINK
Response: 211-SITE UTIME
Response: 211-SIZE
Response: 211-SSCN
Response: 211-TVFS
Response: 211-UTF8
Response: 211 End


FTP Client:
FileZilla Client
----------------
Version:          3.39.0
Build information:
  Compiled for:   x86_64-pc-linux-gnu
  Compiled on:    x86_64-pc-linux-gnu
  Build date:     2019-01-25
  Compiled with:  gcc (Debian 8.2.0-14) 8.2.0
  Compiler flags: -g -O2
-fdebug-prefix-map=/build/filezilla-IpnBGc/filezilla-3.39.0=.
-fstack-protector-strong -Wformat -Werror=format-security -Wall
Linked against:
  wxWidgets:      3.0.4
  SQLite:         3.27.2
  GnuTLS:         3.6.7
Operating system:
  Name:           Linux 4.19.0-8-amd64 x86_64
  Version:        4.19
  CPU features:   sse sse2 sse3 ssse3 sse4.1 sse4.2 avx avx2 aes pclmulqdq
rdrnd bmi2 bmi2 lm
  Settings dir:   <...>

OS:
$ uname -a
Linux <...> 4.19.0-8-amd64 #1 SMP Debian 4.19.98-1+deb10u1 (2020-04-27)
x86_64 GNU/Linux

$ cat /etc/os-release
PRETTY_NAME="Debian GNU/Linux 10 (buster)"
NAME="Debian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=debian

$ sudo proftpd -V
Compile-time Settings:
  Version: 1.3.6 (stable)
  Platform: LINUX [Linux 4.19.0-8-amd64 x86_64]
  Built: Tue Feb 25 2020 21:23:14 UTC
  Built With:
    configure  '--build=x86_64-linux-gnu' '--includedir=${prefix}/include'
'--mandir=${prefix}/share/man' '--infodir=${prefix}/share/info'
'--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules'
'--libdir=${prefix}/lib/x86_64-linux-gnu'
'--libexecdir=${prefix}/lib/x86_64-linux-gnu' '--disable-maintainer-mode'
'--disable-dependency-tracking' '--prefix=/usr'
'--with-includes=/usr/include/postgresql:/usr/include/mariadb:/usr/include/mariadb/mysql'
'--mandir=/usr/share/man' '--sysconfdir=/etc/proftpd'
'--localstatedir=/run' '--libexecdir=/usr/lib/proftpd' '--enable-sendfile'
'--enable-facl' '--enable-dso' '--enable-autoshadow' '--enable-ctrls'
'--enable-ipv6' '--enable-nls' '--enable-memcache'
'--with-lastlog=/var/log/lastlog' '--enable-pcre' '--disable-strip'
'--enable-redis' '--build' 'x86_64-linux-gnu'
'--with-shared=mod_unique_id:mod_site_misc:mod_load:mod_ban:mod_quotatab:mod_sql:mod_sql_mysql:mod_sql_postgres:mod_sql_sqlite:mod_sql_odbc:mod_dynmasq:mod_quotatab_sql:mod_ldap:mod_quotatab_ldap:mod_ratio:mod_tls:mod_rewrite:mod_radius:mod_wrap:mod_wrap2:mod_wrap2_file:mod_wrap2_sql:mod_quotatab_file:mod_quotatab_radius:mod_facl:mod_ctrls_admin:mod_copy:mod_deflate:mod_ifversion:mod_geoip:mod_exec:mod_sftp:mod_sftp_pam:mod_sftp_sql:mod_shaper:mod_sql_passwd:mod_ifsession:mod_auth_otp:mod_tls_redis:mod_wrap2_redis:mod_redis:mod_memcache:mod_tls_memcache:mod_readme:mod_snmp'
'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2
-fdebug-prefix-map=/build/proftpd-dfsg-h285Mw/proftpd-dfsg-1.3.6=.
-fstack-protector-strong -Wformat -Werror=format-security'
'LDFLAGS=-Wl,-z,relro' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2'
'CXXFLAGS=-g -O2
-fdebug-prefix-map=/build/proftpd-dfsg-h285Mw/proftpd-dfsg-1.3.6=.
-fstack-protector-strong -Wformat -Werror=format-security'

  CFLAGS: -g2 -g -O2
-fdebug-prefix-map=/build/proftpd-dfsg-h285Mw/proftpd-dfsg-1.3.6=.
-fstack-protector-strong -Wformat -Werror=format-security -Wall
-fno-omit-frame-pointer -Werror=implicit-function-declaration
  LDFLAGS: -L$(top_srcdir)/lib -Wl,-z,relro -rdynamic
 -L/usr/lib/x86_64-linux-gnu/ -L/usr/lib/x86_64-linux-gnu
  LIBS: -lacl  -lpcreposix -lpcre -lssl -lcrypto -lcap  -lpam -lsupp -lattr
-lnsl -lresolv -lresolv -lcrypt -ldl -lhiredis -lmemcachedutil -lmemcached
 -pthread

  Files:
    Configuration File:
      /etc/proftpd/proftpd.conf
    Pid File:
      /run/proftpd.pid
    Scoreboard File:
      /run/proftpd.scoreboard
    Header Directory:
      /usr/include/proftpd
    Shared Module Directory:
      /usr/lib/proftpd

  Info:
    + Max supported UID: 4294967295
    + Max supported GID: 4294967295

  Features:
    + Autoshadow support
    + Controls support
    + curses support
    - Developer support
    + DSO support
    + IPv6 support
    + Largefile support
    + Lastlog support
    + Memcache support
    + ncursesw support
    + NLS support
    + Redis support
    - Sodium support
    + OpenSSL support
    + PCRE support
    + POSIX ACL support
    + Shadow file support
    + Sendfile support
    + Trace support
    + xattr support

  Tunable Options:
    PR_TUNABLE_BUFFER_SIZE = 1024
    PR_TUNABLE_DEFAULT_RCVBUFSZ = 8192
    PR_TUNABLE_DEFAULT_SNDBUFSZ = 8192
    PR_TUNABLE_ENV_MAX = 2048
    PR_TUNABLE_GLOBBING_MAX_MATCHES = 100000
    PR_TUNABLE_GLOBBING_MAX_RECURSION = 8
    PR_TUNABLE_HASH_TABLE_SIZE = 40
    PR_TUNABLE_LOGIN_MAX = 256
    PR_TUNABLE_NEW_POOL_SIZE = 512
    PR_TUNABLE_PATH_MAX = 4096
    PR_TUNABLE_SCOREBOARD_BUFFER_SIZE = 80
    PR_TUNABLE_SCOREBOARD_SCRUB_TIMER = 30
    PR_TUNABLE_SELECT_TIMEOUT = 30
    PR_TUNABLE_TIMEOUTIDENT = 10
    PR_TUNABLE_TIMEOUTIDLE = 600
    PR_TUNABLE_TIMEOUTLINGER = 10
    PR_TUNABLE_TIMEOUTLOGIN = 300
    PR_TUNABLE_TIMEOUTNOXFER = 300
    PR_TUNABLE_TIMEOUTSTALLED = 3600
    PR_TUNABLE_XFER_SCOREBOARD_UPDATES = 10

Regards, Mario.

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