Bug#977107: proftpd-basic: Cannot login after upgrade from jessie to stretch then to buster

[Francesco P. Lovergine]

tags 977107 + moreinfo
thanks

Please, provide the whole setup (for files that differ from distributed ones).  
often evil is in details. Hide sensible information like IPs, domains and 
passwords, of course.

This smells like a configuration issue which changed
from stretch times.

Thanks

On Thu, Dec 10, 2020 at 07:11:26PM -0300, Javier Kohan wrote:
>Package: proftpd-basic
>Version: 1.3.6-4+deb10u5
>Severity: important
>
>Dear Maintainer,
>
>*** Reporter, please consider answering these questions, where appropriate ***
>
>   * What led up to the situation?
>Running configuration in jessie and before. Upgraded system to stretch (didn't test in stretch) and then to buster.
>
>
>Using  Useralias for websites . All was working ok, but after upgrade can not login.
>proftpd[22592] xxxxxxdu.ar (localhost[::1]): USER xxxxxxxxxxxx (Login failed): No such user found
>(some data edited for privacy)
>UserAlias users map to www-data
>
>Each folder of our web is configured like this:
>
><Anonymous /var/www/xxxxx>
>        AnonRequirePassword     on
>        RequireValidShell       off
>        AuthAliasOnly           on
>        User                    www-data
>        UserAlias               xxxxx www-data
>        Group                   www-data
>        Umask                   003
>        GroupOwner              www-data
>        MaxClients              2
>        AccessGrantMsg          "Acceso Permitido a %u - Toda su actividad esta siendo monitoreada."
>        HideNoAccess            on
>        UserPassword            www-data w4/CBsf6D7jf2
></Anonymous>
>
>have several folders like that.
>
>
>More information: we are using smbldap-tools and have users in ldap. However www-data is not in ldap, only in files (as it was from jessie and even before)
>
>
>
>*** End of the template - remove these template lines ***
>
>
>-- System Information:
>Debian Release: 10.7
>  APT prefers stable-updates
>  APT policy: (500, 'stable-updates'), (500, 'stable')
>Architecture: amd64 (x86_64)
>
>Kernel: Linux 4.19.0-13-amd64 (SMP w/2 CPU cores)
>Locale: LANG=es_AR.UTF-8, LC_CTYPE=es_AR.UTF-8 (charmap=UTF-8), LANGUAGE=es_AR:es (charmap=UTF-8)
>Shell: /bin/sh linked to /bin/dash
>Init: systemd (via /run/systemd/system)
>LSM: AppArmor: enabled
>
>Versions of packages proftpd-basic depends on:
>ii  adduser            3.118
>ii  debianutils        4.8.6.1
>ii  libacl1            2.2.53-4
>ii  libattr1           1:2.4.48-4
>ii  libc6              2.28-10
>ii  libcap2            1:2.25-2
>ii  libhiredis0.14     0.14.0-3
>ii  libmemcached11     1.0.18-4.2
>ii  libmemcachedutil2  1.0.18-4.2
>ii  libncursesw6       6.1+20181013-2+deb10u2
>ii  libpam-runtime     1.3.1-5
>ii  libpam0g           1.3.1-5
>ii  libpcre3           2:8.39-12
>ii  libssl1.1          1.1.1d-0+deb10u4
>ii  libtinfo6          6.1+20181013-2+deb10u2
>ii  libwrap0           7.6.q-28
>ii  lsb-base           10.2019051400
>ii  netbase            5.6
>ii  sed                4.7-1
>ii  ucf                3.0038+nmu1
>ii  zlib1g             1:1.2.11.dfsg-1
>
>Versions of packages proftpd-basic recommends:
>ii  proftpd-doc  1.3.6-4+deb10u5
>
>Versions of packages proftpd-basic suggests:
>ii  openbsd-inetd [inet-superserver]  0.20160825-4
>ii  openssl                           1.1.1d-0+deb10u4
>pn  proftpd-mod-geoip                 <none>
>pn  proftpd-mod-ldap                  <none>
>pn  proftpd-mod-mysql                 <none>
>pn  proftpd-mod-odbc                  <none>
>pn  proftpd-mod-pgsql                 <none>
>pn  proftpd-mod-snmp                  <none>
>pn  proftpd-mod-sqlite                <none>
>
>-- Configuration Files:
>/etc/default/proftpd changed:
>CONFIG_FILE=/etc/proftpd/proftpd.conf
>OPTIONS="-d 10"
>
>
>-- debconf information:
>* shared/proftpd/inetd_or_standalone: standalone
>
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-- 
Francesco P. Lovergine